@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800&display=swap";@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.19.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}.horizontal-scroll-row{overscroll-behavior-x:contain;scrollbar-color:#5f747e8c transparent;scrollbar-width:thin;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;min-width:0;max-width:100%;display:flex;overflow:auto hidden}.horizontal-scroll-row>*{flex:none}.horizontal-scroll-row::-webkit-scrollbar{height:7px}.horizontal-scroll-row::-webkit-scrollbar-track{background:0 0}.horizontal-scroll-row::-webkit-scrollbar-thumb{background:#5f747e8c;border-radius:999px}.horizontal-scroll-row::-webkit-scrollbar-thumb:hover{background:#5f747ecc}:root,:root[data-theme=light]{--canvas-gradient:linear-gradient(135deg, #c7d2fe 0%, #e0e7ff 35%, #f5e8ff 70%, #fce7f3 100%);--color-void:#f4f6fc;--color-deep:#fff;--color-surface:#fff;--color-raised:#f7f9fc;--color-lift2:#eef2f8;--color-border:#00000012;--color-border-hi:#00000024;--color-glass-border:#ffffffd9;--glass-bg:#ffffffbf;--glass-bg-light:#ffffff8c;--glass-blur:blur(24px);--glass-blur-heavy:blur(36px);--color-text:#121318;--color-text-sub:#5c606e;--color-text-mute:#8e94a3;--color-dark-pill:#1d1e22;--color-dark-pill-hover:#2d2e34;--color-dark-pill-text:#fff;--color-pink:#ec4899;--color-pink-hover:#db2777;--color-pink-dim:#fde4ec;--color-pink-glow:#ec48992e;--color-purple:#8b5cf6;--color-purple-hover:#7c3aed;--color-purple-dim:#d8d8ff;--color-purple-glow:#8b5cf62e;--color-accent:var(--color-dark-pill);--color-accent-hover:var(--color-dark-pill-hover);--color-accent-dim:#1d1e220f;--color-accent-glow:#00000014;--color-blue:#0284c7;--color-blue-dim:#cbe9fb;--color-green:#16a34a;--color-green-dim:#dcf8cd;--color-red:#dc2626;--color-red-dim:#fee2e2;--color-gold:#d97706;--color-gold-dim:#fef3c7;--card-lavender-bg:#d8d8ff;--card-lavender-text:#1e1b4b;--card-blue-bg:#cbe9fb;--card-blue-text:#0c4a6e;--card-green-bg:#dcf8cd;--card-green-text:#14532d;--card-pink-bg:#fde4ec;--card-pink-text:#831843;--gradient-brand:linear-gradient(135deg, #1d1e22 0%, #32343a 100%);--gradient-brand-hover:linear-gradient(135deg, #2d2e34 0%, #42444c 100%);--gradient-accent:linear-gradient(135deg, #c7d2fe 0%, #f5e8ff 100%);--gradient-gold:linear-gradient(135deg, #f59e0b, #fbbf24);--gradient-surface:linear-gradient(160deg, #ffffffe6 0%, #f7f9fce6 100%);--shadow-sm:0 2px 8px #00000008;--shadow-md:0 8px 24px #0000000d;--shadow-lg:0 20px 50px #00000012;--font-sans:"Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--sidebar-width:250px;--header-height:64px;--mobile-nav-height:64px;--sab:env(safe-area-inset-bottom,0px);--sat:env(safe-area-inset-top,0px);--radius-sm:12px;--radius-md:18px;--radius-lg:24px;--radius-xl:32px}:root[data-theme=dark]{--canvas-gradient:linear-gradient(135deg, #090a0f 0%, #12141d 50%, #171626 100%);--color-void:#0e1017;--color-deep:#151824;--color-surface:#1a1d2c;--color-raised:#222638;--color-lift2:#2a2f44;--color-border:#ffffff14;--color-border-hi:#ffffff29;--color-glass-border:#ffffff1a;--glass-bg:#151824d9;--glass-bg-light:#ffffff0a;--color-text:#f3f4f6;--color-text-sub:#9ca3af;--color-text-mute:#6b7280;--color-dark-pill:#374151;--color-dark-pill-hover:#4b5563;--color-dark-pill-text:#fff;--color-pink:#f472b6;--color-pink-hover:#f43f5e;--color-pink-dim:#f472b626;--color-purple:#a78bfa;--color-purple-hover:#8b5cf6;--color-purple-dim:#a78bfa26;--color-blue-dim:#38bdf826;--color-green-dim:#4ade8026;--card-lavender-bg:#a78bfa2e;--card-lavender-text:#e0e7ff;--card-blue-bg:#38bdf82e;--card-blue-text:#e0f2fe;--card-green-bg:#4ade802e;--card-green-text:#dcfce7;--card-pink-bg:#f472b62e;--card-pink-text:#fce7f3;--gradient-brand:linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--gradient-brand-hover:linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);--shadow-sm:0 2px 8px #0003;--shadow-md:0 8px 24px #0000004d;--shadow-lg:0 20px 50px #00000080}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--canvas-gradient);min-height:100vh;color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#00000026;border-radius:99px}:root[data-theme=dark] ::-webkit-scrollbar-thumb{background:#fff3}::-webkit-scrollbar-thumb:hover{background:#00000040}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.spinning{animation:1s linear infinite spin}.glass-canvas{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--color-glass-border);box-shadow:var(--shadow-lg)}.card-surface{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all .2s}.card-pastel-lavender{background-color:var(--card-lavender-bg);color:var(--card-lavender-text);border-radius:var(--radius-lg);border:1px solid #0000000a}.card-pastel-blue{background-color:var(--card-blue-bg);color:var(--card-blue-text);border-radius:var(--radius-lg);border:1px solid #0000000a}.card-pastel-green{background-color:var(--card-green-bg);color:var(--card-green-text);border-radius:var(--radius-lg);border:1px solid #0000000a}.card-pastel-pink{background-color:var(--card-pink-bg);color:var(--card-pink-text);border-radius:var(--radius-lg);border:1px solid #0000000a}.pill-dark{background-color:var(--color-dark-pill);color:var(--color-dark-pill-text);border-radius:9999px;align-items:center;gap:.5rem;padding:.5rem 1.25rem;font-weight:600;transition:background-color .15s,transform .15s;display:inline-flex}.pill-dark:hover{background-color:var(--color-dark-pill-hover);transform:translateY(-1px)}button{font-family:var(--font-sans);cursor:pointer;background:0 0;border:none;outline:none}input,select,textarea{font-family:var(--font-sans);outline:none}a{color:inherit;text-decoration:none}html{max-width:100vw;overflow-x:hidden}.main-wrapper,.shell-main,.page-content,.main-content{max-width:100%;overflow-x:hidden}img,video,iframe,svg{max-width:100%;height:auto}@media (width<=640px){[class*=-container],[class*=-wrapper],[class*=-card]{box-sizing:border-box;max-width:100%}[class*=-btn-primary],[class*=-btn-save],[class*=-btn-download]{min-width:0!important}[class*=-hero-title],[class*=-title]{overflow-wrap:break-word;word-break:break-word;-webkit-hyphens:auto;hyphens:auto}}.app-runtime-notice{z-index:3000;top:max(.75rem, env(safe-area-inset-top,0px));box-sizing:border-box;border:1px solid var(--color-border-hi);background:var(--color-surface);width:min(620px,100vw - 1.5rem);min-height:48px;color:var(--color-text);box-shadow:var(--shadow-md);border-radius:12px;align-items:center;gap:.7rem;padding:.65rem .8rem;font-size:.82rem;font-weight:650;animation:.18s ease-out both app-notice-enter;display:flex;position:fixed;left:50%;transform:translate(-50%)}.app-runtime-notice>svg{flex:none}.app-runtime-notice>span{flex:1;min-width:0;line-height:1.4}.app-runtime-notice.offline{border-color:#ee686859}.app-runtime-notice.offline>svg,.app-runtime-notice.error>svg{color:#ee6868}.app-runtime-notice.reconnected>svg{color:#3dc99a}.app-runtime-notice>button{width:30px;height:30px;color:var(--color-text-sub);cursor:pointer;background:0 0;border:0;border-radius:7px;flex:none;place-items:center;display:grid}.app-runtime-notice>button:hover{background:var(--color-raised);color:var(--color-text)}.app-crash-screen{box-sizing:border-box;background:var(--canvas-gradient);min-height:100vh;color:var(--color-text);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:1.5rem;display:flex}.app-crash-icon{color:#ee6868;background:#ee68681a;border:1px solid #ee686840;border-radius:14px;place-items:center;width:54px;height:54px;margin-bottom:1rem;display:grid}.app-crash-eyebrow{color:var(--color-text-mute);letter-spacing:1.2px;font-size:.68rem;font-weight:800}.app-crash-screen h1{margin-top:.5rem;font-size:1.55rem;font-weight:800}.app-crash-screen p{max-width:420px;color:var(--color-text-sub);margin-top:.5rem;font-size:.88rem;line-height:1.6}.app-crash-actions{flex-wrap:wrap;justify-content:center;gap:.65rem;margin-top:1.25rem;display:flex}.app-crash-actions button{border:1px solid var(--color-border);min-height:42px;font:inherit;cursor:pointer;border-radius:9px;justify-content:center;align-items:center;gap:.45rem;padding:.6rem .85rem;font-size:.78rem;font-weight:750;display:inline-flex}.app-crash-primary{background:var(--color-accent);color:#fff}.app-crash-secondary{background:var(--color-surface);color:var(--color-text)}@keyframes app-notice-enter{0%{opacity:0;transform:translate(-50%,-6px)}to{opacity:1;transform:translate(-50%)}}@media (width<=480px){.app-runtime-notice{top:max(.5rem, env(safe-area-inset-top,0px));width:calc(100vw - 1rem);font-size:.75rem}}@media (prefers-reduced-motion:reduce){.app-runtime-notice{animation:none}}.ai-chat-root{background:0 0;height:calc(100vh - 120px);display:flex;overflow:hidden}.ai-chat-sidebar{border-right:1px solid var(--color-border);background:var(--color-surface);flex-direction:column;flex-shrink:0;width:260px;display:flex}.ai-sidebar-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:1.25rem 1.1rem .75rem;display:flex}.ai-sidebar-title{letter-spacing:1.5px;text-transform:uppercase;color:var(--color-text-sub);font-size:.75rem;font-weight:800}.new-chat-btn{background:var(--color-dark-pill);color:#fff;border-radius:9999px;align-items:center;gap:.4rem;padding:.45rem .85rem;font-size:.78rem;font-weight:700;transition:all .2s;display:flex}.new-chat-btn:hover{background:var(--color-dark-pill-hover);transform:translateY(-1px)}.ai-conv-list{flex-direction:column;flex:1;gap:.35rem;padding:.6rem;display:flex;overflow-y:auto}.ai-conv-item{cursor:pointer;text-align:left;border:1px solid #0000;border-radius:9999px;align-items:center;gap:.7rem;width:100%;padding:.7rem .85rem;transition:all .15s;display:flex;position:relative}.ai-conv-item:hover{background:#0000000a}.ai-conv-item.active{background:var(--card-lavender-bg);color:var(--card-lavender-text)}.ai-conv-icon{background:var(--color-dark-pill);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.ai-conv-info{flex:1;min-width:0}.ai-conv-name{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:700;overflow:hidden}.ai-conv-time{color:var(--color-text-mute);margin-top:.1rem;font-size:.7rem}.ai-conv-actions{opacity:0;align-items:center;gap:.25rem;transition:opacity .15s;display:flex}.ai-conv-item:hover .ai-conv-actions,.ai-conv-item.active .ai-conv-actions{opacity:1}.ai-conv-action-btn{width:24px;height:24px;color:var(--color-text-mute);cursor:pointer;background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex}.ai-conv-action-btn:hover{color:var(--color-text);background:#00000014}.ai-conv-action-btn.ai-conv-delete:hover{color:var(--color-red);background:#dc262626}.ai-conv-empty{text-align:center;color:var(--color-text-mute);padding:2rem 1rem;font-size:.82rem;line-height:1.6}.ai-chat-main{background:var(--color-surface);flex-direction:column;flex:1;display:flex;overflow:hidden}.ai-chat-header{border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.ai-chat-header-left{align-items:center;gap:.75rem;display:flex}.ai-avatar-glow{background:var(--card-lavender-bg);width:42px;height:42px;color:var(--card-lavender-text);border-radius:50%;justify-content:center;align-items:center;display:flex}.ai-chat-title{color:var(--color-text);letter-spacing:-.3px;font-size:1.05rem;font-weight:800}.ai-chat-title-accent{color:var(--color-text-sub);font-style:normal}.ai-chat-subtitle{color:var(--color-text-mute);margin-top:.1rem;font-size:.75rem}.ai-doc-badge{background:var(--card-blue-bg);color:var(--card-blue-text);white-space:nowrap;text-overflow:ellipsis;border-radius:9999px;align-items:center;gap:.4rem;max-width:220px;padding:.35rem .85rem;font-size:.75rem;font-weight:700;display:flex;overflow:hidden}.ai-messages-area{scroll-behavior:smooth;flex-direction:column;flex:1;gap:1rem;padding:1.5rem;display:flex;overflow-y:auto}.ai-welcome{text-align:center;flex-direction:column;align-items:center;gap:1rem;max-width:500px;margin:auto;padding:2rem;display:flex}.ai-welcome-icon{background:var(--card-lavender-bg);width:72px;height:72px;color:var(--card-lavender-text);border-radius:50%;justify-content:center;align-items:center;display:flex}.ai-welcome-title{color:var(--color-text);letter-spacing:-.5px;font-size:1.75rem;font-weight:800}.ai-welcome-sub{color:var(--color-text-sub);font-size:.9rem;line-height:1.6}.ai-chips{flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:.5rem;display:flex}.ai-chip{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-sub);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:9999px;padding:.5rem 1rem;font-size:.8rem;font-weight:600;transition:all .18s}.ai-chip:hover{background:var(--color-dark-pill);color:#fff}.chatgpt-msg-row{width:100%;padding:.85rem 0;animation:.2s ease-in-out fadeIn}.chatgpt-msg-container{width:100%;max-width:780px;margin:0 auto;display:flex}.chatgpt-msg-row.user-turn .chatgpt-msg-container{justify-content:flex-end}.user-content-col{flex-direction:column;align-items:flex-end;max-width:80%;display:flex}.user-message-pill{color:#fff;word-break:break-word;white-space:pre-wrap;text-align:left;background:#173868;border-radius:24px;padding:.8rem 1.35rem;font-size:.93rem;font-weight:500;line-height:1.5;box-shadow:0 2px 10px #0000001f}.ai-chat-root.embedded .user-message-pill{color:#fff;background:#173868}.user-actions{justify-content:flex-end;margin-top:.35rem}.chatgpt-msg-row.ai-turn .chatgpt-msg-container{justify-content:flex-start}.ai-content-col{flex-direction:column;align-items:flex-start;width:100%;display:flex}.chatgpt-message-text{color:var(--color-text,#2d3748);word-break:break-word;width:100%;font-size:.95rem;line-height:1.7}.chatgpt-message-text p{margin-bottom:.85rem}.chatgpt-message-text p:last-child{margin-bottom:0}.chatgpt-message-text h1,.chatgpt-message-text h2,.chatgpt-message-text h3,.chatgpt-message-text h4{color:var(--color-text,#1a202c);margin-top:1.2rem;margin-bottom:.5rem;font-weight:700;line-height:1.35}.chatgpt-message-text h1{font-size:1.3rem}.chatgpt-message-text h2{font-size:1.15rem}.chatgpt-message-text h3{font-size:1.02rem}.chatgpt-message-text ul,.chatgpt-message-text ol{margin:.5rem 0 .85rem 1.4rem;padding:0}.chatgpt-message-text li{margin-bottom:.4rem;line-height:1.6}.chatgpt-message-text code{color:#4f46e5;background:#6366f11a;border-radius:4px;padding:.18rem .4rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.84rem}.chatgpt-message-text pre{color:#e2e8f0;background:#1e1c2a;border:1px solid #ffffff14;border-radius:10px;margin:.85rem 0;padding:1rem 1.25rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.85rem;line-height:1.6;overflow-x:auto}.chatgpt-message-text pre code{color:inherit;background:0 0;border-radius:0;padding:0}.chatgpt-message-text blockquote{color:var(--color-text-sub,#4a5568);border-left:3px solid #6366f1;margin:.75rem 0;padding-left:.85rem;font-style:italic}.chatgpt-msg-actions{align-items:center;gap:.5rem;margin-top:.4rem;display:flex}.chatgpt-action-btn{color:var(--color-text-mute,#9ca3af);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;align-items:center;gap:.35rem;padding:.25rem .55rem;font-size:.75rem;font-weight:600;transition:all .15s;display:inline-flex}.chatgpt-action-btn:hover{color:var(--color-text,#374151);background:#0000000d}.ai-typing-row{align-self:flex-start;align-items:flex-end;gap:.75rem;display:flex}.ai-typing-dots{background:var(--color-surface);border:1px solid var(--color-border);border-radius:9999px;align-items:center;gap:6px;padding:.9rem 1.2rem;display:flex}.typing-dot{background:var(--color-dark-pill);border-radius:50%;width:8px;height:8px;animation:1.2s infinite bounce}.ai-input-bar{border-top:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;padding:1rem 1.5rem}.ai-input-row{background:var(--color-raised);border:1px solid var(--color-border);border-radius:9999px;align-items:flex-end;gap:.75rem;padding:.6rem .8rem .6rem 1.2rem;transition:all .2s;display:flex}.ai-input-row:focus-within{border-color:var(--color-border-hi);box-shadow:0 4px 14px #0000000f}.ai-input-row textarea{color:var(--color-text);resize:none;background:0 0;border:none;flex:1;min-height:24px;max-height:140px;font-size:.9rem;line-height:1.5;overflow-y:auto}.ai-input-row textarea::placeholder{color:var(--color-text-mute)}.ai-send-btn{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:all .15s;display:flex}.ai-send-btn.active{background:var(--color-dark-pill);box-shadow:0 4px 12px #0003}.ai-send-btn.active:hover{background:var(--color-dark-pill-hover);transform:scale(1.05)}.ai-send-btn.disabled{background:var(--color-border);color:var(--color-text-mute);cursor:not-allowed}.ai-disclaimer{text-align:center;color:var(--color-text-mute);margin-top:.5rem;font-size:.72rem}@media (width<=1099px){.ai-chat-sidebar{width:200px}}.ai-sidebar-header-actions{align-items:center;gap:.4rem;display:flex}.ai-sidebar-close-btn{width:28px;height:28px;color:var(--color-text-mute);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:none}.ai-sidebar-close-btn:hover{color:var(--color-text);background:#0000000f}.ai-header-right-actions{align-items:center;gap:.55rem;display:flex}.header-new-chat-btn{align-items:center;gap:.35rem;padding:.45rem .85rem;font-size:.78rem;display:flex}.ai-sidebar-toggle-btn{background:var(--color-raised,#0000000a);border:1px solid var(--color-border);width:34px;height:34px;color:var(--color-text);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:none}.ai-sidebar-toggle-btn:hover{background:var(--color-dark-pill);color:#fff}.ai-sidebar-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:190;background:#0006;animation:.2s fadeIn;position:fixed;inset:0}@media (width<=767px){.ai-chat-root{height:calc(100dvh - var(--header-height,64px));flex-direction:column}.ai-chat-sidebar{display:none}.ai-chat-sidebar.mobile-visible{z-index:200;background:var(--color-surface,#fff);width:85%;max-width:320px;display:flex;position:fixed;top:0;bottom:0;left:0;box-shadow:0 0 40px #00000040}.ai-sidebar-close-btn,.ai-sidebar-toggle-btn{display:flex}.header-new-chat-btn .btn-text{display:none}.header-new-chat-btn{border-radius:50%;padding:.45rem .6rem}.ai-chat-main{flex:1;width:100%}.ai-chat-header{padding:.75rem 1rem}.ai-doc-badge{display:none}.ai-messages-area{gap:.85rem;padding:1rem}.ai-welcome{padding:1.25rem .75rem}.ai-welcome h2{font-size:1.35rem}.ai-input-bar{padding:.75rem 1rem}}.ai-chat-root.embedded{background:#1e2235;flex-direction:column;height:100%}.ai-chat-root.embedded .ai-chat-main{color:#e5e7eb;background:#1e2235}.ai-chat-root.embedded .ai-chat-header{background:#252840;border-bottom:1px solid #ffffff12;padding:.9rem 1.1rem}.ai-chat-root.embedded .ai-avatar-glow{color:#818cf8;background:#6366f133}.ai-chat-root.embedded .ai-chat-title{color:#f3f4f6;font-size:.95rem}.ai-chat-root.embedded .ai-chat-subtitle{color:#fff6;font-size:.72rem}.ai-chat-root.embedded .ai-doc-badge{color:#7dd3fc;background:#38bdf826;border:1px solid #38bdf833}.ai-panel-header-actions{align-items:center;gap:.25rem;margin-left:auto;display:flex}.ai-panel-icon-btn{color:#fff6;cursor:pointer;background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;width:30px;height:30px;transition:all .15s;display:flex}.ai-panel-icon-btn:hover{color:#ffffffd9;background:#ffffff14}.ai-panel-close{color:#fff6;cursor:pointer;background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;width:30px;height:30px;transition:all .15s;display:flex}.ai-panel-close:hover{color:#ffffffd9;background:#ffffff14}.ai-chat-root.embedded .ai-messages-area{background:#1e2235;gap:.85rem;padding:1rem}.ai-chat-root.embedded .chatgpt-sender-name{color:#ffffffa6}.ai-chat-root.embedded .chatgpt-message-text{color:#e5e7eb}.ai-chat-root.embedded .chatgpt-message-text h1,.ai-chat-root.embedded .chatgpt-message-text h2,.ai-chat-root.embedded .chatgpt-message-text h3,.ai-chat-root.embedded .chatgpt-message-text h4{color:#f3f4f6}.ai-chat-root.embedded .user-message-content{color:#fff;background:#4f46e5}.ai-chat-root.embedded .chatgpt-avatar.user-avatar{color:#fff;background:#374151}.ai-chat-root.embedded .chatgpt-avatar.ai-avatar{color:#818cf8;background:#6366f133}.ai-chat-root.embedded .ai-typing-dots{background:#252840;border-color:#ffffff12}.ai-section-label{letter-spacing:1.2px;text-transform:uppercase;color:#ffffff59;padding:.5rem 0 .25rem;font-size:.72rem;font-weight:800}.ai-suggested-prompts{background:#1e2235;border-top:1px solid #ffffff0f;flex-shrink:0;padding:.5rem 1rem 1rem}.ai-suggested-prompts .ai-section-label{margin-bottom:.6rem;display:block}.ai-prompts-grid{grid-template-columns:1fr 1fr;gap:.4rem;display:grid}.ai-prompt-chip{color:#ffffffa6;cursor:pointer;text-align:left;background:#252840;border:1px solid #ffffff14;border-radius:8px;padding:.45rem .65rem;font-size:.72rem;font-weight:600;line-height:1.3;transition:all .15s}.ai-prompt-chip:hover{color:#c7d2fe;background:#6366f133;border-color:#6366f14d}.ai-chat-root.embedded .ai-input-bar{background:#252840;border-top:1px solid #ffffff12;padding:.75rem 1rem}.ai-chat-root.embedded .ai-input-row{background:#ffffff0f;border-color:#ffffff1a}.ai-chat-root.embedded .ai-input-row:focus-within{border-color:#6366f180;box-shadow:0 0 0 3px #6366f11a}.ai-chat-root.embedded .ai-input-row textarea{color:#e5e7eb}.ai-chat-root.embedded .ai-input-row textarea::placeholder{color:#ffffff47}.ai-chat-root.embedded .ai-send-btn.active{background:#4f46e5;box-shadow:0 4px 12px #4f46e559}.ai-chat-root.embedded .ai-send-btn.active:hover{background:#4338ca}.ai-chat-root.embedded .ai-disclaimer{color:#ffffff38}.ai-chat-root.embedded .ai-welcome-title{color:#f3f4f6;font-size:1.2rem}.ai-chat-root.embedded .ai-welcome-sub{color:#ffffff73;font-size:.82rem}.ai-chat-root.embedded .ai-welcome-icon{color:#818cf8;background:#6366f126}.ai-chat-root.embedded .ai-chip{color:#fff9;background:#252840;border-color:#ffffff14}.ai-chat-root.embedded .ai-chip:hover{color:#c7d2fe;background:#6366f140}.ai-typing-row{align-items:center;gap:.75rem;margin-bottom:.5rem;padding:.5rem .5rem .5rem 0;animation:.2s ease-in-out fadeIn;display:flex}.ai-typing-dots{background:var(--color-surface,#fff);border:1px solid var(--color-border,#00000014);border-radius:18px;align-items:center;gap:6px;padding:.65rem .95rem;display:inline-flex;box-shadow:0 2px 8px #0000000a}.ai-chat-root.embedded .ai-typing-dots{background:#252840;border-color:#ffffff14;box-shadow:0 2px 10px #0003}.typing-dot{background:var(--color-indigo,#6366f1);border-radius:50%;width:7px;height:7px;animation:1.4s ease-in-out infinite both typingDotBounce;display:inline-block}.ai-chat-root.embedded .typing-dot{background:#818cf8}.typing-dot:first-child{animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingDotBounce{0%,80%,to{opacity:.35;transform:scale(.6)}40%{opacity:1;transform:scale(1.2)translateY(-3px)}}.auth-container{--auth-ink:#16263d;--auth-ink-soft:#526175;--auth-muted:#8490a1;--auth-paper:#f8f7f3;--auth-panel:#fffffff0;--auth-line:#dfe4e8;--auth-coral:#e05b45;--auth-coral-dark:#bd4635;--auth-coral-wash:#fff0eb;--auth-teal:#167d78;--auth-teal-wash:#e6f4f1;background:linear-gradient(#16263d09 1px,#0000 1px) 0 0/34px 34px,linear-gradient(90deg,#16263d09 1px,#0000 1px) 0 0/34px 34px,linear-gradient(135deg,#f8f7f3 0%,#eef4f3 100%);justify-content:center;align-items:center;min-height:100svh;padding:clamp(1.25rem,4vw,3rem) 1rem;display:flex;position:relative;overflow:hidden auto}.auth-blob{z-index:0;pointer-events:none;opacity:.65;position:absolute}.auth-blob-tr{background:var(--auth-coral);width:min(34vw,420px);height:10px;top:12%;right:-5%;transform:rotate(-32deg)}.auth-blob-bl{background:var(--auth-teal);width:min(30vw,360px);height:10px;bottom:12%;left:-5%;transform:rotate(-32deg)}.auth-content{z-index:10;flex-direction:column;gap:clamp(1rem,3vw,1.75rem);width:100%;max-width:480px;display:flex;position:relative}.auth-header{text-align:center}.auth-logo{letter-spacing:-1.5px;margin-bottom:.75rem;font-size:clamp(1.7rem,4vw,2rem);font-weight:900}.logo-wordmark{color:var(--auth-ink)}.logo-accent{color:var(--auth-coral)}.auth-title{color:var(--auth-ink);letter-spacing:-.5px;margin-bottom:.4rem;font-size:clamp(1.45rem,4vw,1.75rem);font-weight:800}.auth-subtitle{color:var(--auth-ink-soft);font-size:.9rem;line-height:1.5}.auth-card{background:var(--auth-panel);border:1px solid #16263d1a;border-radius:24px;padding:clamp(1.25rem,5vw,2.25rem);position:relative;overflow:hidden;box-shadow:0 22px 55px #16263d1f,inset 0 2px #fffc}.auth-card:before{content:"";background:linear-gradient(90deg, transparent, var(--auth-coral), transparent);height:1px;position:absolute;top:0;left:0;right:0}.auth-form{flex-direction:column;gap:1.4rem;display:flex}.form-label-row{justify-content:space-between;align-items:center;display:flex}.form-label{color:var(--auth-ink-soft);letter-spacing:1.2px;text-transform:uppercase;font-size:.7rem;font-weight:700}.form-link{color:var(--auth-teal);font-size:.78rem;font-weight:600;transition:color .15s}.form-link:hover{color:var(--auth-coral-dark)}.input-container{border:1px solid var(--auth-line);background:#fff;border-radius:10px;align-items:center;padding:.65rem .9rem;transition:all .2s;display:flex;position:relative}.input-container:focus-within{border-color:var(--auth-teal);background:#fff;box-shadow:0 0 0 3px #167d7821}.form-input{width:100%;color:var(--auth-ink);background:0 0;border:none;padding:0;font-size:.95rem}.form-input::placeholder{color:var(--auth-muted)}.password-toggle{color:var(--auth-ink-soft);justify-content:center;align-items:center;margin-left:.5rem;padding:.2rem;transition:color .15s;display:flex}.password-toggle:hover{color:var(--auth-teal)}.alert{background-color:var(--color-red-dim);border-radius:var(--radius-sm);color:var(--color-red);border:1px solid #f8717133;align-items:flex-start;gap:.7rem;padding:.75rem 1rem;font-size:.83rem;line-height:1.4;display:flex}.alert-success{background-color:var(--color-green-dim);color:var(--color-green);border-color:#34d39933}.alert-warning{background-color:var(--color-gold-dim);color:var(--color-gold);border-color:#fbbf2433}.primary-btn{background:var(--auth-coral);color:#fff;letter-spacing:.3px;border:none;border-radius:10px;justify-content:center;align-items:center;gap:.65rem;padding:.9rem;font-size:.95rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 8px 18px #e05b4538}.primary-btn:hover:not(:disabled){background:var(--auth-coral-dark);transform:translateY(-1px);box-shadow:0 10px 24px #e05b454d}.primary-btn:active:not(:disabled){transform:translateY(0)}.primary-btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.spinner{border:2px solid #ffffff40;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}.auth-footer{text-align:center;color:var(--auth-ink-soft);margin-top:1.25rem;font-size:.875rem}.auth-footer .form-link{margin-left:.25rem}.onboarding-scroll{overscroll-behavior:contain;flex-direction:column;gap:.6rem;width:100%;min-height:180px;max-height:min(42svh,360px);margin:1.25rem 0;padding-right:.2rem;display:flex;overflow-y:auto}.selection-card{border:1px solid var(--auth-line);cursor:pointer;text-align:left;background:#ffffffb8;border-radius:12px;align-items:center;gap:.85rem;width:100%;min-width:0;min-height:64px;padding:.9rem 1rem;transition:all .2s;display:flex;position:relative}.selection-card:hover{background:#fff;border-color:#167d7873}.selection-card:focus-visible{outline:3px solid var(--auth-teal);outline-offset:2px}.selection-card.selected{background:var(--auth-coral-wash);border-color:#e05b458c;box-shadow:0 5px 16px #e05b451f}.selection-card.selected:before{content:"";background:var(--auth-coral);border-radius:0 2px 2px 0;width:3px;position:absolute;top:8px;bottom:8px;left:0}.selection-avatar{border-radius:var(--radius-sm);width:40px;height:40px;color:var(--auth-ink-soft);background:var(--auth-teal-wash);border:1px solid #167d7824;flex-shrink:0;justify-content:center;align-items:center;font-size:.85rem;font-weight:800;display:flex}.selection-card.selected .selection-avatar{background:var(--auth-coral);color:#fff;border-color:var(--auth-coral)}.selection-info{flex-direction:column;flex:1;gap:.2rem;min-width:0;display:flex}.selection-name{color:var(--auth-ink);overflow-wrap:anywhere;font-size:.9rem;font-weight:700;line-height:1.3}.selection-sub{color:var(--auth-ink-soft);letter-spacing:.4px;text-transform:uppercase;font-size:.7rem;font-weight:600}.selection-check{background:var(--auth-coral);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:flex}.selection-chevron{color:var(--auth-muted)}.search-box{border:1px solid var(--auth-line);background:#ffffffc7;border-radius:10px;align-items:center;gap:.6rem;padding:.5rem .9rem;transition:all .2s;display:flex}.search-box:focus-within{border-color:var(--auth-teal);box-shadow:0 0 0 3px #167d781f}.search-input{color:var(--auth-ink);background:0 0;border:none;width:100%;font-size:.9rem}.search-input::placeholder{color:var(--auth-muted)}.steps-indicator{justify-content:center;align-items:center;gap:.4rem;margin-bottom:.75rem;display:flex}.step-dot{background:var(--auth-line);border-radius:50%;width:7px;height:7px;transition:all .3s}.step-dot.active{background:var(--auth-coral);border-radius:4px;width:20px;box-shadow:0 0 8px #e05b4559}.onboarding-context{background:var(--auth-teal-wash);color:var(--auth-ink-soft);border:1px solid #167d782e;border-radius:10px;flex-direction:column;gap:.45rem;padding:.7rem .85rem;font-size:.8rem;display:flex}.onboarding-context-row{align-items:center;gap:.55rem;min-width:0;display:flex}.onboarding-context-row svg{color:var(--auth-teal);flex:none}.onboarding-context-row strong{min-width:0;color:var(--auth-ink);text-align:right;overflow-wrap:anywhere;margin-left:auto}.onboarding-current-class{border-top:1px solid #167d7824;padding-top:.45rem}.onboarding-load-error{color:#9f3426;background:#fff5f1;border:1px solid #f1c7bc;border-radius:10px;justify-content:space-between;align-items:center;gap:.75rem;padding:.7rem .85rem;font-size:.82rem;display:flex}.onboarding-load-error>span{align-items:center;gap:.45rem;min-width:0;display:flex}.onboarding-load-error button{background:var(--auth-coral);color:#fff;min-height:36px;font:inherit;cursor:pointer;border:0;border-radius:7px;flex:none;padding:.4rem .75rem;font-weight:700}.onboarding-empty-state{border:1px dashed var(--auth-line);min-height:150px;color:var(--auth-muted);text-align:center;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:.4rem;padding:1.5rem 1rem;font-size:.82rem;line-height:1.45;display:flex}.onboarding-empty-state svg,.onboarding-empty-state strong{color:var(--auth-ink)}@media (height<=720px) and (width>=521px){.auth-container:not(.auth-container-login){align-items:flex-start}.auth-container:not(.auth-container-login) .auth-content{gap:.8rem;margin-block:auto}.auth-container:not(.auth-container-login) .auth-header{padding-top:.5rem}.auth-container:not(.auth-container-login) .onboarding-scroll{min-height:120px;max-height:min(34svh,250px);margin-block:.75rem}}@media (width<=520px){.auth-container{align-items:flex-start;padding:1rem .75rem}.auth-content{gap:1rem;min-height:calc(100svh - 2rem)}.auth-header{padding:0 .5rem}.auth-logo{margin-bottom:.5rem}.auth-card{border-radius:18px;flex-direction:column;flex:1;display:flex}.auth-footer{margin-top:auto;padding-top:1.25rem}.auth-container-login .auth-content{min-height:auto}.auth-container-login{align-items:center}.auth-container-login .auth-card{flex:0 auto}.auth-container-login .auth-footer{margin-top:1.25rem}.auth-form{gap:1.1rem}.form-label-row{flex-wrap:wrap;align-items:flex-start;gap:.75rem}.onboarding-scroll{min-height:150px;max-height:min(44svh,420px);margin:1rem 0}.selection-card{min-width:0;min-height:60px;padding:.8rem}.onboarding-load-error,.onboarding-context{align-items:flex-start}.selection-name{overflow-wrap:anywhere}}.forum-layout{height:calc(100vh - 120px);margin:-1.75rem;display:flex;overflow:hidden}.forum-feed-col{border-right:1px solid var(--color-border);background:var(--color-surface);flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.forum-header{border-bottom:1px solid var(--color-border);background:var(--color-surface);z-index:20;padding:1.1rem 1.5rem 0;position:sticky;top:0}.forum-brand{align-items:center;gap:.75rem;margin-bottom:1.1rem;display:flex}.forum-logo{background:var(--color-dark-pill);color:#fff;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.75rem;font-weight:800;display:flex}.forum-brand-text h2{color:var(--color-text);font-size:1.05rem;font-weight:800;line-height:1.1}.forum-brand-text span{color:var(--color-text-sub);letter-spacing:1.4px;text-transform:uppercase;font-size:.65rem;font-weight:700}.feed-tabs{gap:0;display:flex}.feed-tab-btn{text-align:center;color:var(--color-text-sub);flex:1;padding:.75rem 1rem;font-size:.88rem;font-weight:700;transition:color .15s;position:relative}.feed-tab-btn:hover,.feed-tab-btn.active{color:var(--color-text)}.feed-tab-btn.active:after{content:"";background:var(--color-dark-pill);border-radius:9999px;width:40%;height:3px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.inline-composer{border-bottom:1px solid var(--color-border);background:var(--color-raised);gap:.75rem;padding:1.1rem 1.5rem;display:flex}.composer-avatar{color:#fff;background:var(--color-dark-pill);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:.85rem;font-weight:800;display:flex}.composer-body{flex-direction:column;flex:1;gap:.6rem;display:flex}.composer-input{color:var(--color-text);resize:none;background:0 0;border:none;width:100%;min-height:40px;font-size:.95rem;line-height:1.55}.composer-input::placeholder{color:var(--color-text-mute)}.composer-actions-row{border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;padding-top:.65rem;display:flex}.composer-tools{gap:.2rem;display:flex}.composer-tool-btn{width:32px;height:32px;color:var(--color-text-sub);border-radius:50%;justify-content:center;align-items:center;transition:background .15s;display:flex}.composer-tool-btn:hover{color:var(--color-text);background:#0000000d}.post-btn{background:var(--color-dark-pill);color:#fff;border-radius:9999px;padding:.45rem 1.1rem;font-size:.8rem;font-weight:700;transition:all .2s}.post-btn:hover{background:var(--color-dark-pill-hover);transform:translateY(-1px)}.post-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.char-counter{color:var(--color-text-sub);font-size:.75rem}.forum-feed{flex:1;overflow-y:auto}.post-card{border-bottom:1px solid var(--color-border);cursor:pointer;gap:.85rem;padding:1.25rem 1.5rem;transition:background .15s;display:flex}.post-card:hover{background:#00000005}:root[data-theme=dark] .post-card:hover{background:#ffffff08}.post-avatar{color:#fff;background:var(--color-dark-pill);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:.9rem;font-weight:800;display:flex;overflow:hidden}.post-avatar img{object-fit:cover;width:100%;height:100%}.post-body{flex:1;min-width:0}.post-header{flex-wrap:wrap;align-items:center;gap:.4rem;margin-bottom:.3rem;display:flex}.post-name{color:var(--color-text);font-size:.95rem;font-weight:800}.post-handle,.post-dot,.post-time{color:var(--color-text-sub);font-size:.82rem}.post-text{color:var(--color-text);white-space:pre-wrap;word-break:break-word;margin-bottom:.65rem;font-size:.92rem;line-height:1.55}.post-image{border-radius:var(--radius-lg);border:1px solid var(--color-border);max-height:340px;margin-bottom:.65rem;overflow:hidden}.post-image img{object-fit:cover;width:100%;height:100%;display:block}.post-actions{align-items:center;gap:.2rem;margin-top:.2rem;display:flex}.post-action-btn{color:var(--color-text-sub);cursor:pointer;border-radius:9999px;align-items:center;gap:.35rem;padding:.4rem .75rem;font-size:.78rem;font-weight:600;transition:all .15s;display:flex}.post-action-btn:hover{background:#0000000d}.forum-right-panel{background:var(--color-raised);flex-direction:column;flex-shrink:0;gap:1.25rem;width:310px;padding:1.25rem;display:flex;overflow-y:auto}.panel-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);padding:1.2rem}.panel-card h3{color:var(--color-text);margin-bottom:.85rem;font-size:.95rem;font-weight:800}.trending-item{border-bottom:1px solid var(--color-border);cursor:pointer;padding:.65rem 0;transition:opacity .15s}.trending-item:last-child{border-bottom:none}.trending-item:hover .trending-tag{color:var(--color-blue)}.trending-category{color:var(--color-text-sub);margin-bottom:.1rem;font-size:.68rem;font-weight:600}.trending-tag{color:var(--color-text);font-size:.88rem;font-weight:800}.trending-count{color:var(--color-text-sub);margin-top:.1rem;font-size:.72rem}.forum-fab{background:var(--color-dark-pill);color:#fff;z-index:50;cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;transition:transform .2s;display:flex;position:fixed;bottom:2rem;right:2rem;box-shadow:0 4px 20px #00000040}.forum-fab:hover{background:var(--color-dark-pill-hover);transform:scale(1.08)translateY(-2px)}@media (width<=1100px){.forum-right-panel{display:none}.forum-layout{margin:-1.5rem}}@media (width<=767px){.forum-layout{flex-direction:column;height:auto;margin:-1rem;overflow:visible}.forum-feed-col{border-right:none;overflow:visible}.forum-feed{overflow:visible}.forum-header{padding:.85rem 1rem 0}.forum-brand{margin-bottom:.75rem}.inline-composer{gap:.6rem;padding:.85rem 1rem}.composer-avatar{width:34px;height:34px;font-size:.78rem}.post-card{padding:1rem}.post-body{font-size:.88rem}.forum-fab{width:46px;height:46px;bottom:1.25rem;right:1.25rem}}.leaderboard-page{flex-direction:column;gap:1.5rem;width:100%;min-width:0;max-width:950px;margin:0 auto;display:flex}.lb-page-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.lb-page-title{letter-spacing:-.5px;color:var(--color-text);align-items:center;gap:.55rem;font-size:2rem;font-weight:800;display:flex}.lb-page-title svg{color:var(--color-gold);flex:none}.lb-page-sub{color:var(--color-text-sub);margin-top:.2rem;font-size:.9rem}.lb-header-actions{align-items:center;gap:.65rem;display:flex}.lb-search{border:1px solid var(--color-border);background:var(--color-surface);width:min(260px,100%);min-width:0;height:42px;color:var(--color-text-sub);box-shadow:var(--shadow-sm);border-radius:9999px;align-items:center;gap:.6rem;padding:0 1rem;transition:all .2s;display:flex}.lb-search:focus-within{border-color:var(--color-border-hi);box-shadow:0 4px 14px #0000000f}.lb-search input{width:100%;min-width:0;color:var(--color-text);background:0 0;border:none;font-size:.88rem;font-weight:500}.lb-refresh-btn{border:1px solid var(--color-border);background:var(--color-surface);width:42px;height:42px;color:var(--color-text-sub);box-shadow:var(--shadow-sm);border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:inline-flex}.lb-refresh-btn:hover{color:var(--color-text);background:var(--color-raised)}.lb-tabs-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.lb-scope-tabs{flex-wrap:wrap;gap:.4rem;display:flex}.lb-scope-btn,.lb-filter-chip{border:1px solid var(--color-border);background:var(--color-surface);height:38px;color:var(--color-text-sub);box-shadow:var(--shadow-sm);border-radius:9999px;align-items:center;gap:.4rem;padding:0 1rem;font-size:.82rem;font-weight:700;transition:all .18s;display:inline-flex}.lb-scope-btn:hover{color:var(--color-text)}.lb-scope-btn.active{background:var(--color-dark-pill);color:#fff}.lb-period-tabs{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:9999px;padding:.25rem;display:flex}.lb-period-btn{color:var(--color-text-sub);border-radius:9999px;padding:.45rem 1rem;font-size:.82rem;font-weight:700;transition:all .15s}.lb-period-btn:hover{color:var(--color-text)}.lb-period-btn.active{background:var(--color-dark-pill);color:#fff}.my-rank-banner{background:var(--card-lavender-bg);color:var(--card-lavender-text);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;min-width:0;padding:1.1rem 1.5rem;font-weight:800;display:flex}.my-rank-values{flex-wrap:wrap;align-items:center;gap:1.25rem;display:flex}.my-rank-value{color:var(--card-lavender-text);font-size:1.35rem;font-weight:800}.my-points-value{color:var(--card-lavender-text);font-size:1.2rem;font-weight:800}.podium-section{justify-content:center;align-items:flex-end;gap:1.25rem;min-width:0;margin:1rem 0;display:flex}.podium-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);text-align:center;max-width:220px;box-shadow:var(--shadow-sm);flex-direction:column;flex:1;align-items:center;min-width:0;padding:1.5rem 1.1rem;transition:transform .2s;display:flex;position:relative}.podium-position-1{color:#6b4f00;background:#fff7d6;border-color:#d69e0059}.podium-position-2{color:#45515a;background:#f1f4f6;border-color:#70808c59}.podium-position-3{color:#78451f;background:#fff0e3;border-color:#b1642b4d}.podium-card:hover{transform:translateY(-4px)}.podium-first{z-index:2;box-shadow:var(--shadow-md);transform:scale(1.06)translateY(-8px)}.podium-avatar{background:var(--color-dark-pill);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:.65rem;font-size:1.3rem;font-weight:800;display:flex;overflow:hidden}.podium-avatar img{object-fit:cover;width:100%;height:100%}.podium-name{white-space:nowrap;text-overflow:ellipsis;width:100%;margin-bottom:.1rem;font-size:.95rem;font-weight:800;overflow:hidden}.podium-college{opacity:.8;white-space:nowrap;text-overflow:ellipsis;width:100%;margin-bottom:.4rem;font-size:.72rem;overflow:hidden}.podium-pts{font-size:1rem;font-weight:800}.podium-rank-badge{color:#16202a;border-radius:50%;justify-content:center;align-items:center;min-width:24px;height:24px;margin-top:.65rem;font-size:.75rem;font-weight:900;display:inline-flex}.lb-list{flex-direction:column;gap:.65rem;display:flex}.lb-row{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);align-items:center;gap:1rem;min-width:0;padding:.85rem 1.25rem;transition:all .15s;display:flex}.lb-row:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.lb-rank{justify-content:center;align-items:center;width:32px;display:flex}.rank-number{color:var(--color-text-sub);font-size:.9rem;font-weight:800}.lb-avatar{color:#fff;background:var(--color-dark-pill);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:.88rem;font-weight:800;display:flex;overflow:hidden}.lb-avatar img{object-fit:cover;width:100%;height:100%}.lb-info{flex-direction:column;flex:1;gap:.1rem;min-width:0;display:flex}.lb-name{color:var(--color-text);font-size:.95rem;font-weight:800}.lb-name,.lb-college{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.lb-college{color:var(--color-text-sub);font-size:.75rem}.lb-points{align-items:baseline;gap:.2rem;display:flex}.lb-pts-value{color:var(--color-text);font-size:1.1rem;font-weight:800}.lb-pts-label{color:var(--color-text-sub);font-size:.75rem;font-weight:600}@media (width<=767px){.leaderboard-page{gap:1rem}.lb-page-title{font-size:1.6rem}.lb-page-header,.lb-tabs-row{flex-direction:column;align-items:stretch}.lb-header-actions{width:100%}.lb-search{flex:1;width:auto}.lb-scope-tabs,.lb-period-tabs{width:100%}.lb-scope-tabs{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.lb-scope-btn,.lb-period-btn{white-space:normal;flex:auto;justify-content:center;min-width:0;height:auto;min-height:38px;padding-left:.55rem;padding-right:.55rem;line-height:1.2}.lb-period-tabs{border-radius:12px;grid-template-columns:repeat(3,minmax(0,1fr));display:grid;overflow:visible}.lb-period-btn{padding-left:.25rem;padding-right:.25rem}.my-rank-banner{flex-direction:column;align-items:flex-start;gap:.65rem;padding:1rem}.my-rank-values{gap:.65rem}.podium-section{gap:.5rem;margin:.5rem 0}.podium-card{border-radius:16px;padding:1rem .45rem}.podium-first{transform:translateY(-5px)}.podium-avatar{width:48px;height:48px;font-size:1rem}.podium-name{font-size:.8rem}.podium-college{font-size:.65rem}.podium-pts{font-size:.82rem}.podium-name,.podium-college{white-space:normal;overflow-wrap:anywhere;height:auto;line-height:1.25}.lb-row{border-radius:16px;gap:.55rem;padding:.75rem}.lb-rank{width:24px}.lb-avatar{width:34px;height:34px;font-size:.75rem}.lb-name{font-size:.82rem}.lb-college{font-size:.68rem}.lb-pts-value{font-size:.9rem}.lb-pts-label{font-size:.65rem}.movement-chip{padding:.25rem .35rem;font-size:.65rem}.lb-section-label-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:.5rem;display:flex}.lb-legend{flex-wrap:wrap;gap:.5rem;display:flex}}@media (width<=480px){.lb-row{grid-template-columns:24px 34px minmax(0,1fr) auto;align-items:center;gap:.45rem;padding:.7rem;display:grid}.lb-rank{grid-area:1/1/span 2;width:auto}.lb-avatar,.lb-college-icon{grid-area:1/2/span 2}.lb-college-icon{place-items:center;width:34px;height:34px;display:grid}.lb-info{grid-area:1/3/span 2}.lb-name-row{flex-wrap:wrap;align-items:center;gap:.25rem;min-width:0;display:flex}.lb-name,.lb-college{white-space:normal;overflow-wrap:anywhere;min-width:0}.movement-chip{white-space:nowrap;grid-area:1/4;justify-self:end}.lb-points,.lb-college-score{grid-area:2/4;justify-self:end}.lb-points{flex-direction:column;align-items:flex-end;gap:0}.lb-college-score{white-space:nowrap;align-items:baseline;gap:.2rem;display:flex}.college-bar-track{display:none}}@media (width<=360px){.lb-scope-btn,.lb-period-btn{font-size:.72rem}.lb-scope-btn svg{display:none}.lb-page-title{font-size:1.45rem}.my-rank-banner{padding:.8rem}.my-rank-values{gap:.45rem}.podium-card{padding:.85rem .3rem}.podium-avatar{width:42px;height:42px}.lb-row{grid-template-columns:20px 30px minmax(0,1fr) auto;gap:.35rem}.lb-rank{width:20px}.lb-avatar,.lb-college-icon{width:30px;height:30px}}.dashboard-loading-banner,.dashboard-schedule-skeleton,.dashboard-podium-skeleton{pointer-events:none}.dashboard-loading-banner{align-items:center;gap:14px;display:flex}.dashboard-loading-copy{flex-direction:column;gap:8px;display:flex}.dashboard-skeleton-row{grid-template-columns:42px 12px minmax(0,1fr);align-items:center;gap:14px;min-height:72px;padding:12px 0;display:grid}.dashboard-skeleton-row>div{flex-direction:column;gap:8px;display:flex}.dashboard-podium-skeleton{justify-content:center;align-items:end;gap:18px;min-height:220px;padding:20px;display:flex}.study-materials-skeleton-list{flex-direction:column;gap:10px;display:flex}.study-material-skeleton-row{border:1px solid var(--color-border,#94a3b833);border-radius:12px;grid-template-columns:54px minmax(0,1fr) 74px;align-items:center;gap:14px;min-height:82px;padding:14px 16px;display:grid}.study-material-skeleton-row>div{flex-direction:column;gap:8px;display:flex}.home-screen-app{box-sizing:border-box;flex-direction:column;gap:1.75rem;width:100%;max-width:100%;padding-bottom:3rem;display:flex;overflow-x:hidden}.courses-page-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.courses-page-header>div:first-child{min-width:0}.courses-search-pill input::placeholder{color:var(--color-text-mute)}.courses-grid{grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr));gap:1.25rem;min-width:0;margin-top:1rem;display:grid}.course-card-label{color:var(--color-blue);letter-spacing:1.4px;font-size:.72rem;font-weight:800}.courses-grid .app-dash-card{min-width:0;overflow:hidden}.courses-grid .app-dash-card h3,.courses-grid .app-dash-card p{overflow-wrap:anywhere}.search-page{flex-direction:column;gap:1.5rem;width:100%;min-width:0;max-width:900px;margin:0 auto;padding-bottom:3rem;display:flex}.search-page-header h1{color:var(--color-text);letter-spacing:-.6px;font-size:2rem;font-weight:800}.search-page-header p{max-width:680px;color:var(--color-text-sub);margin-top:.35rem;font-size:.95rem;line-height:1.5}.search-main-control{background:var(--color-surface);border:1.5px solid var(--color-border);width:100%;min-height:58px;box-shadow:var(--shadow-md);color:var(--color-text-sub);border-radius:16px;align-items:center;gap:.85rem;padding:0 1.25rem;display:flex}.search-main-control:focus-within{border-color:var(--color-border-hi);box-shadow:0 0 0 3px var(--color-accent-dim), var(--shadow-md)}.search-main-control input{width:100%;min-width:0;color:var(--color-text);background:0 0;border:0;outline:0;font-size:1rem;font-weight:600}.search-main-control input::placeholder{color:var(--color-text-mute)}.popular-searches,.search-results-list{flex-direction:column;gap:.75rem;display:flex}.popular-searches-label{color:var(--color-text-sub);letter-spacing:.5px;text-transform:uppercase;align-items:center;gap:.5rem;font-size:.78rem;font-weight:800;display:flex}.popular-search-tags{flex-wrap:wrap;gap:.5rem;display:flex}.search-tag-btn,.search-filter-btn{border:1px solid var(--color-border);background:var(--color-surface);min-height:36px;color:var(--color-text);cursor:pointer;border-radius:9999px;padding:.45rem .85rem;font-size:.8rem;font-weight:700}.search-tag-btn:hover,.search-filter-btn:hover{border-color:var(--color-border-hi)}.search-filter-tabs{flex-wrap:wrap;align-self:flex-start;gap:.45rem;display:flex}.search-filter-btn.active{background:var(--color-dark-pill);color:#fff}.search-result-card{border:1px solid var(--color-border);background:var(--color-surface);width:100%;min-width:0;box-shadow:var(--shadow-sm);cursor:pointer;border-radius:16px;align-items:center;gap:.85rem;padding:1rem 1.15rem;transition:transform .18s,box-shadow .18s;display:flex}.search-result-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.search-result-icon{background:var(--color-dark-pill);color:#fff;border-radius:12px;flex:0 0 42px;justify-content:center;align-items:center;width:42px;height:42px;display:inline-flex}.search-result-copy{flex-direction:column;flex:1;gap:.25rem;min-width:0;display:flex}.search-result-title{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--color-text);font-size:.95rem;font-weight:800;overflow:hidden}.search-result-type{color:var(--color-text-sub);letter-spacing:.5px;text-transform:uppercase;font-size:.7rem;font-weight:700}.search-premium-badge{color:#92400e;background:#fef3c7;border-radius:8px;flex:none;align-items:center;gap:.3rem;padding:.35rem .55rem;font-size:.68rem;font-weight:800;display:inline-flex}.search-result-arrow{color:var(--color-text-sub);flex:none}.search-empty-state{min-height:260px;height:auto!important}@media (width<=767px){.search-page{gap:1.1rem;padding-bottom:1.5rem}.search-page-header h1{font-size:1.6rem}.search-page-header p{font-size:.85rem}.search-main-control{border-radius:13px;min-height:52px;padding:0 .9rem}.search-main-control input{font-size:.9rem}.search-filter-tabs{flex-wrap:nowrap;width:100%;padding-bottom:.15rem;overflow-x:auto}.search-filter-btn{white-space:nowrap;flex:none}.search-result-card{align-items:flex-start;gap:.65rem;padding:.85rem}.search-result-icon{flex-basis:36px;width:36px;height:36px}.search-result-title{white-space:normal;overflow-wrap:anywhere}.search-result-arrow{margin-top:.55rem}.search-premium-badge{padding:.3rem .4rem;font-size:.6rem}}@media (width<=360px){.search-premium-badge span{display:none}.search-result-card{padding:.7rem}}@media (width>=768px){.search-main-control{max-width:900px}}@media (width<=767px){.courses-page-header{gap:.85rem}.courses-page-header>div:first-child{width:100%}.courses-page-header h2{font-size:1.6rem!important}.courses-page-header>div:first-child>p{line-height:1.45}.courses-search-pill{width:100%}}.dashboard-top-bar{box-sizing:border-box;justify-content:space-between;align-items:center;gap:1.5rem;width:100%;padding:.25rem 0 .5rem;display:flex}.dashboard-top-bar .top-bar-left{flex:1;align-items:center;gap:1rem;max-width:520px;display:flex}.dashboard-search-box{background-color:var(--color-surface,#1e222b);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--color-border,#ffffff1f);border-radius:20px;flex:1;align-items:center;gap:.6rem;padding:.55rem 1rem;transition:all .2s;display:flex}.dashboard-search-box:focus-within{background-color:var(--color-surface-hover,#ffffff14);border-color:var(--color-accent,#38bdf8);box-shadow:0 0 0 2px #38bdf840}.dashboard-search-box .search-icon{color:var(--color-text-sub,#fff9)}.dashboard-search-input{color:var(--color-text,#fff);background:0 0;border:none;outline:none;flex:1;min-width:0;font-size:.88rem}.dashboard-search-input::placeholder{color:var(--color-text-mute,#ffffff73)}.dashboard-top-bar .top-bar-right{align-items:center;gap:.85rem;display:flex}.dashboard-streak-badge{color:#ffb703;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffb7031f;border:1px solid #ffb70340;border-radius:20px;align-items:center;gap:.35rem;padding:.45rem .8rem;font-size:.85rem;font-weight:800;display:flex}.dashboard-streak-badge .flame-icon{fill:#ffb703}.dashboard-upgrade-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#38bdf8 0%,#4b8cf5 100%);border:none;border-radius:20px;align-items:center;gap:.4rem;padding:.45rem 1.1rem;font-size:.85rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 4px 12px #38bdf840}.dashboard-upgrade-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}.dashboard-premium-pill{color:#eab308;letter-spacing:.5px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#eab30826;border:1px solid #eab3084d;border-radius:20px;align-items:center;gap:.4rem;padding:.45rem .9rem;font-size:.75rem;font-weight:800;display:flex}.dashboard-bell-btn{border:1px solid var(--color-border,#ffffff26);background-color:var(--color-surface,#ffffff14);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:36px;height:36px;color:var(--color-text,#fff);cursor:pointer;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:all .2s;display:flex;position:relative}.dashboard-bell-btn:hover{background-color:var(--color-surface-hover,#ffffff26);transform:translateY(-1px)}.dashboard-bell-dot{color:#fff;background-color:#ef4444;border:2px solid #0003;border-radius:9999px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 4px;font-size:.65rem;font-weight:800;display:flex;position:absolute;top:-2px;right:-2px}.dashboard-user-avatar{background:var(--color-surface,#1e222b);width:36px;height:36px;color:var(--color-text,#fff);cursor:pointer;border:2px solid var(--color-border,#fff3);border-radius:50%;justify-content:center;align-items:center;font-size:.9rem;font-weight:800;transition:transform .2s;display:flex;overflow:hidden;box-shadow:0 4px 12px #00000026}.dashboard-user-avatar:hover{transform:scale(1.05)}@media (width<=640px){.dashboard-top-bar{gap:.75rem}.search-shortcut{display:none}.dashboard-search-box{padding:.45rem .75rem}}@media (width<=480px){.dashboard-top-bar .top-bar-left{max-width:none}.dashboard-upgrade-btn span,.dashboard-premium-pill span{display:none}.dashboard-upgrade-btn,.dashboard-premium-pill{border-radius:50%;justify-content:center;width:36px;height:36px;padding:.45rem}}.app-hero-card{color:#fff;box-sizing:border-box;background:linear-gradient(135deg,#1a1e2af2 0%,#0f121afa 100%);border:1px solid #ffffff1a;border-radius:24px;padding:1.75rem 2rem;position:relative;overflow:hidden;box-shadow:0 12px 32px #0006}.orb-orange{pointer-events:none;background:radial-gradient(circle,#e8692a29 0%,#0000 70%);border-radius:150px;width:300px;height:300px;position:absolute;top:-40px;right:-80px}.orb-blue{pointer-events:none;background:radial-gradient(circle,#4b8cf51f 0%,#0000 70%);border-radius:110px;width:220px;height:220px;position:absolute;top:60px;left:-60px}.orb-purple{pointer-events:none;background:radial-gradient(circle,#9b7cf41a 0%,#0000 70%);border-radius:80px;width:160px;height:160px;position:absolute;top:100px;left:38%}.app-hero-profile-row{z-index:2;align-items:flex-start;gap:1.25rem;display:flex;position:relative}.app-hero-inner{z-index:2;flex-direction:column;gap:0;width:100%;max-width:1100px;display:flex;position:relative}.app-avatar-wrap{flex-shrink:0;position:relative}.app-avatar-ring{background:linear-gradient(135deg, var(--color-accent) 0%, #dfa83c 100%);border-radius:50%;width:72px;height:72px;padding:2px;box-shadow:0 4px 14px #0000001f}.app-avatar-inner{background:var(--color-surface);border-radius:50%;justify-content:center;align-items:center;width:100%;height:100%;display:flex;overflow:hidden}.app-avatar-image{object-fit:cover;width:100%;height:100%}.app-avatar-initial{color:var(--color-text);font-family:serif;font-size:1.7rem;font-weight:900}.app-camera-badge{background:var(--color-accent);color:#fff;cursor:pointer;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:.65rem;transition:transform .18s,background-color .18s;display:flex;position:absolute;bottom:-2px;right:-2px}.app-camera-badge:hover,.app-camera-badge:focus-within{background:var(--color-accent-hover);transform:scale(1.1)}.app-camera-badge.is-uploading{cursor:wait;opacity:.8}.app-camera-badge input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.avatar-upload-error{color:var(--color-red);margin:.35rem 0 0 .25rem;font-size:.7rem;line-height:1.3}.app-profile-text{flex-direction:column;flex:1;gap:.25rem;min-width:0;padding-top:.2rem;display:flex}.app-greeting-label{letter-spacing:2.2px;color:#38bdf8;text-transform:uppercase;margin-bottom:.1rem;font-size:.7rem;font-weight:800}.app-name-row{align-items:center;gap:.5rem;display:flex}.app-hero-name{color:#fff;letter-spacing:-.6px;font-size:2.1rem;font-weight:900;line-height:1.15}.verified-icon-badge{flex-shrink:0;justify-content:center;align-items:center;line-height:1;display:inline-flex}.verified-icon-badge img{object-fit:contain;width:clamp(24px,2.2vw,30px);height:clamp(24px,2.2vw,30px);display:block}.app-pills-row{flex-wrap:nowrap;align-items:center;gap:.4rem;margin-top:.25rem;display:flex}.app-pill{letter-spacing:.8px;border:1px solid #0000;border-radius:7px;align-items:center;gap:.35rem;padding:.25rem .6rem;font-size:.68rem;font-weight:800;display:inline-flex}.app-pill-verified{color:#065f46;background:#3dc99a26;border-color:#3dc99a40}.app-pill-premium{color:#78350f;background:#dfa83c2e;border-color:#dfa83c4d}.app-get-premium-badge{color:#fff;cursor:pointer;background:linear-gradient(90deg,#dfa83c 0%,#f59e0b 50%,#e8692a 100%);border:none;border-radius:10px;align-items:center;gap:.35rem;padding:.35rem .75rem;font-size:.72rem;font-weight:800;transition:transform .15s;display:inline-flex;box-shadow:0 4px 12px #e8692a40}.app-get-premium-badge:hover{transform:translateY(-1px)}.app-info-pills-wrap{scrollbar-width:none;-ms-overflow-style:none;width:100%;margin-top:.85rem;overflow-x:auto}.app-info-pills-wrap::-webkit-scrollbar{display:none}.app-info-pills-row{flex-wrap:wrap;align-items:center;gap:.5rem;width:max-content;max-width:100%;display:flex}.app-info-pill{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);white-space:nowrap;box-sizing:border-box;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:24px;flex:none;align-items:center;gap:.42rem;width:auto;padding:.38rem .8rem;display:flex;box-shadow:0 2px 8px #0003}.info-icon{flex-shrink:0;font-size:.85rem}.info-text{color:#e2e8f0;white-space:nowrap;min-width:0;font-size:.78rem;font-weight:700}.info-pill-college{width:auto;max-width:100%}.info-pill-class{background:#4b8cf51f;border-color:#4b8cf540;width:auto;max-width:100%}.info-class-text{color:#60a5fa}.info-pill-mats{cursor:pointer;background:#dfa83c1f;border-color:#dfa83c47;width:auto}.info-mats-text{color:#fbbf24}.info-pill-rank{cursor:pointer;background:#ee68681f;border-color:#ee686847;width:auto}.info-rank-text{color:#f87171}.app-home-sections-wrap{box-sizing:border-box;flex-direction:column;gap:1.75rem;width:100%;max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex}.app-home-section{flex-direction:column;gap:.85rem;display:flex}.app-section-head{justify-content:space-between;align-items:center;display:flex}.head-label-row{align-items:center;gap:.6rem;display:flex}.orange-line{background:var(--color-accent);opacity:.75;width:14px;height:1px}.section-title-text{color:var(--color-text-mute);letter-spacing:2.8px;font-size:.68rem;font-weight:800}.app-qa-grid{box-sizing:border-box;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(.45rem,1.2vw,.85rem);width:100%;display:grid}@media (width>=1200px){.app-qa-grid{grid-template-columns:repeat(8,minmax(0,1fr))}}.app-qa-item{aspect-ratio:1;text-align:center;cursor:pointer;box-sizing:border-box;background:#181b22;border:1px solid #ffffff14;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:.45rem;width:100%;min-width:0;max-width:144px;margin:0 auto;padding:.75rem .25rem;transition:all .2s;display:flex;overflow:hidden;box-shadow:0 4px 14px #0003}.app-qa-item:hover{background:#1f232d;border-color:#38bdf866;transform:translateY(-2px);box-shadow:0 6px 20px #00000059}.app-qa-icon{border:1px solid #ffffff1a;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex;position:relative}.app-qa-badge{background:var(--color-accent,#38bdf8);color:#fff;border:2px solid #181b22;border-radius:6px;justify-content:center;align-items:center;min-width:17px;height:17px;padding:0 2px;font-size:.62rem;font-weight:800;display:flex;position:absolute;top:-4px;right:-4px}.app-qa-label{color:#fff;text-align:center;-webkit-line-clamp:2;line-clamp:2;word-break:break-word;-webkit-box-orient:vertical;font-size:.74rem;font-weight:700;line-height:1.2;display:-webkit-box;overflow:hidden}.app-dash-cards-grid{box-sizing:border-box;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(.7rem,1.4vw,1rem);width:100%;display:grid}.app-dash-card{cursor:pointer;box-sizing:border-box;background:linear-gradient(135deg,#181b22 0%,#13161c 100%);border:1px solid #ffffff14;border-radius:18px;flex-direction:column;justify-content:space-between;min-width:0;max-width:100%;min-height:164px;padding:clamp(1rem,1.5vw,1.4rem);transition:all .2s;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 16px #00000040}.app-dash-card:hover{background:linear-gradient(135deg,#1f232d 0%,#161922 100%);border-color:#ffffff2e;transform:translateY(-3px);box-shadow:0 8px 24px #00000059}.dash-card-glow{opacity:.5;pointer-events:none;border-radius:50%;width:100px;height:100px;position:absolute;top:-30px;right:-30px}.dash-card-top{justify-content:space-between;align-items:flex-start;display:flex}.dash-card-icon{z-index:1;border:1px solid #ffffff14;border-radius:14px;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.dash-card-arrow{color:#ffffffb3;z-index:1;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:9px;justify-content:center;align-items:center;width:26px;height:26px;transition:all .2s;display:flex}.app-dash-card:hover .dash-card-arrow{color:#fff;background:#ffffff26}.dash-card-content{z-index:1;flex-direction:column;gap:.12rem;min-width:0;display:flex}.dash-card-title{color:#fff;letter-spacing:-.2px;overflow-wrap:anywhere;margin-bottom:.15rem;font-size:1.02rem;font-weight:800;line-height:1.25}.dash-card-sub{color:#94a3b8;overflow-wrap:anywhere;font-size:.74rem;line-height:1.4}.dash-card-badge{overflow-wrap:anywhere;border-radius:6px;align-self:flex-start;max-width:100%;margin-top:.4rem;padding:.2rem .5rem;font-size:.65rem;font-weight:800}.app-add-deadline-bar{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);gap:.5rem;padding:.6rem .85rem;display:flex}.add-deadline-input{color:var(--color-text);background:0 0;border:none;outline:none;flex:1;font-size:.85rem}.app-save-btn{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:9999px;padding:.35rem .85rem;font-size:.75rem;font-weight:700}.app-deadlines-carousel{scrollbar-width:none;gap:.75rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.app-deadline-chip{background:var(--color-surface);border:1px solid var(--color-border);min-width:180px;box-shadow:var(--shadow-sm);border-radius:16px;flex-shrink:0;align-items:center;gap:.75rem;padding:.85rem 1rem;display:flex}.urgent-chip{background:#ee686814;border-color:#ee686840}.deadline-dot{background:var(--color-blue);border-radius:50%;flex-shrink:0;width:8px;height:8px}.urgent-dot{background:var(--color-red)}.deadline-chip-info{flex-direction:column;flex:1;gap:.1rem;display:flex}.deadline-chip-title{color:var(--color-text);font-size:.82rem;font-weight:700}.deadline-chip-due{color:var(--color-text-sub);font-size:.72rem}.urgent-text{color:var(--color-red);font-weight:700}.remove-deadline-btn{color:var(--color-text-mute);cursor:pointer;background:0 0;border:none}.app-empty-banner{cursor:pointer;background:#181b22;border:1px solid #ffffff14;border-radius:18px;justify-content:space-between;align-items:center;padding:1rem 1.25rem;transition:all .2s;display:flex;box-shadow:0 4px 14px #0003}.app-empty-banner:hover{background:#1f232d;border-color:#ffffff29}.empty-banner-left{align-items:center;gap:.85rem;display:flex}.empty-banner-icon{border-radius:12px;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.icon-orange{color:#e8692a;background:#e8692a26}.icon-blue{color:#38bdf8;background:#38bdf826}.empty-banner-title{color:#fff;font-size:.9rem;font-weight:800}.empty-banner-sub{color:#94a3b8;margin-top:.1rem;font-size:.75rem}.empty-banner-btn{color:#fff;cursor:pointer;border:none;border-radius:12px;align-items:center;gap:.3rem;padding:.45rem .9rem;font-size:.78rem;font-weight:800;display:flex}.orange-btn{background:#e8692a}.blue-btn{background:#38bdf8}.app-schedule-list{background:#181b22;border:1px solid #ffffff14;border-radius:20px;flex-direction:column;gap:0;padding:1rem 1.25rem;display:flex;box-shadow:0 4px 16px #00000040}.app-sched-row{align-items:flex-start;gap:1rem;padding:.85rem 0;display:flex}.sched-time-col{flex-direction:column;flex-shrink:0;align-items:center;width:48px;padding-top:2px;display:flex}.sched-time-val{color:#fff;font-size:.92rem;font-weight:800;line-height:1}.sched-time-period{letter-spacing:1px;color:#94a3b8;margin-top:.15rem;font-size:.62rem;font-weight:800}.sched-dot-col{flex-direction:column;flex-shrink:0;align-items:center;padding-top:4px;display:flex}.sched-dot{border-radius:50%;width:9px;height:9px}.sched-line{background:#ffffff1a;flex:1;width:1px;min-height:28px;margin-top:4px}.sched-content-col{flex-direction:column;flex:1;gap:.15rem;display:flex}.sched-title{color:#fff;font-size:.9rem;font-weight:800}.sched-meta{color:#94a3b8;font-size:.75rem}.sched-tag{letter-spacing:.5px;border-radius:6px;align-self:flex-start;margin-top:.35rem;padding:.18rem .5rem;font-size:.64rem;font-weight:800}.app-lb-preview-card{background:#181b22;border:1px solid #ffffff14;border-radius:24px;flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex;box-shadow:0 8px 28px #0000004d}.lb-header{justify-content:space-between;align-items:center;display:flex}.lb-header-left{align-items:center;gap:.6rem;display:flex}.lb-header-label{color:#38bdf8;letter-spacing:2.2px;text-transform:uppercase;font-size:.68rem;font-weight:800}.lb-podium-container{justify-content:space-between;align-items:flex-end;padding:.5rem 1rem 0;display:flex}.pod-slot{flex-direction:column;flex:1;align-items:center;display:flex}.pod-crown{margin-bottom:.2rem;font-size:1.4rem;animation:1.8s ease-in-out infinite alternate floatCrown}@keyframes floatCrown{0%{transform:translateY(0)}to{transform:translateY(-4px)}}.pod-avatar-frame{color:#fff;border-radius:50%;justify-content:center;align-items:center;font-weight:800;display:flex;position:relative}.gold-avatar{background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);width:76px;height:76px;font-size:1.6rem;box-shadow:0 0 20px #f59e0b59}.silver-avatar{background:linear-gradient(135deg,#94a3b8 0%,#64748b 100%);width:60px;height:60px;font-size:1.3rem}.bronze-avatar{background:linear-gradient(135deg,#d97706 0%,#78350f 100%);width:60px;height:60px;font-size:1.3rem}.pod-badge{background:var(--color-accent,#38bdf8);color:#fff;border:2px solid #181b22;border-radius:50%;justify-content:center;align-items:center;min-width:20px;height:20px;font-size:.68rem;font-weight:800;display:flex;position:absolute;bottom:-2px;right:-2px}.pod-name{color:#f8fafc;margin-top:.4rem;font-size:.8rem;font-weight:700}.silver-name{color:#e2e8f0}.gold-name{color:#fde68a;font-weight:800}.bronze-name{color:#fdba74}.pod-pts{margin-top:.1rem;font-size:.74rem;font-weight:700}.gold-pts{color:#dfa83c}.silver-pts{color:var(--color-text-sub)}.bronze-pts{color:#bf7a40}.pod-base{letter-spacing:.5px;border-radius:10px;justify-content:center;align-items:center;margin-top:.6rem;font-size:.65rem;font-weight:900;display:flex}.base-1{color:#dfa83c;background:#dfa83c26;width:62px;height:18px}.base-2{width:54px;height:16px;color:var(--color-text-sub);background:#0000000d}.base-3{color:#bf7a40;background:#7a4a2826;width:54px;height:16px}.lb-user-footer{background:var(--color-raised);border-radius:20px;align-items:center;padding:.85rem 1rem;display:flex}.footer-hash{color:var(--color-accent);font-size:1rem;font-weight:900}.footer-rank-num{color:var(--color-text);min-width:32px;margin-left:.2rem;font-size:1.4rem;font-weight:900}.footer-meta{flex-direction:column;flex:1;gap:.25rem;margin-left:.5rem;display:flex}.footer-title{color:var(--color-text);font-size:.78rem;font-weight:700}.footer-bar-bg{background:#00000014;border-radius:999px;height:5px;overflow:hidden}.footer-bar-fill{background:var(--color-accent);border-radius:999px;height:100%}.footer-sub{color:var(--color-text-sub);font-size:.68rem}.footer-pts-box{flex-direction:column;align-items:flex-end;margin-left:.5rem;display:flex}.footer-pts{color:var(--color-text);font-size:1rem;font-weight:900}.footer-pts-sub{color:var(--color-text-sub);font-size:.68rem}@media (width<=767px){.home-screen-app{width:100%;max-width:100%;padding:0;overflow-x:hidden}.app-hero-card{width:100%;padding:1.25rem 1rem}.app-home-sections-wrap{padding:0 .85rem}.app-qa-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem}.app-qa-item{aspect-ratio:1;gap:.3rem;height:auto;padding:.5rem .25rem}.app-dash-card{text-align:center;align-items:center;height:auto;min-height:145px;padding:1rem}.app-dash-cards-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}.dash-card-top{justify-content:center;width:100%;position:static}.dash-card-icon{margin-inline:auto}.dash-card-arrow{position:absolute;top:1rem;right:1rem}.dash-card-content{text-align:center;align-items:center}.dash-card-badge{align-self:center}.dash-card-title,.dash-card-sub,.dash-card-badge{overflow-wrap:anywhere;max-width:100%}.pod-slot{flex:1 1 0;min-width:0}.pod-name{overflow-wrap:anywhere;text-align:center;width:100%;min-width:0}.lb-user-footer{box-sizing:border-box;gap:.25rem;min-width:0}.footer-meta{min-width:0}.footer-title,.footer-sub{overflow-wrap:anywhere}.app-qa-icon{border-radius:12px;width:36px;height:36px}.app-qa-label{font-size:.65rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.materials-card-grid{grid-template-columns:1fr}.material-card{box-sizing:border-box;max-width:100%}.card-material-title{font-size:.88rem;line-height:1.35}.bookmarks-container,.past-questions-container{width:100%;max-width:100%;padding-left:.5rem;padding-right:.5rem;overflow-x:hidden}.search-pill{box-sizing:border-box;max-width:100%;width:100%!important}.orb-orange,.orb-blue,.orb-purple{opacity:.4;width:160px;height:160px}}@media (width<=400px){.app-qa-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.35rem}.app-action-btn span{font-size:.62rem}.stats-grid{grid-template-columns:repeat(2,1fr);gap:.5rem}.material-card{padding:.85rem}}@media (width<=640px){.app-hero-card{border-radius:18px;padding:1.15rem .85rem}.app-hero-profile-row{align-items:center;gap:.75rem}.app-avatar-ring{width:56px;height:56px}.app-avatar-initial{font-size:1.3rem}.app-hero-name{font-size:1.45rem}.app-greeting-label{letter-spacing:1.5px;font-size:.62rem}.app-info-pills-wrap{margin-top:.75rem}.app-info-pills-row{gap:.35rem}.app-info-pill{border-radius:18px;gap:.35rem;padding:.3rem .65rem}.info-text{font-size:.72rem}}@media (width<=480px){.app-lb-preview-card{border-radius:18px;padding:1rem}.lb-podium-container{gap:.25rem;padding:.5rem 0 0}.gold-avatar{width:60px;height:60px}.silver-avatar,.bronze-avatar{width:50px;height:50px}}@media (width<=360px){.app-hero-card{padding:.95rem .65rem}.app-hero-name{font-size:1.25rem}.app-avatar-ring{width:48px;height:48px}.app-info-pill{padding:.25rem .5rem}.info-text{font-size:.68rem}.app-qa-item{aspect-ratio:auto;min-height:76px}.app-dash-card{height:auto;min-height:145px;padding:.7rem}.dash-card-icon{width:38px;height:38px}.dash-card-arrow{width:22px;height:22px;top:.7rem;right:.7rem}.dash-card-title{font-size:.9rem}.dash-card-title,.dash-card-sub,.dash-card-badge{overflow-wrap:anywhere;max-width:100%}}@media (width>=768px){.app-dash-card{text-align:center;align-items:center}.dash-card-top{justify-content:center;width:100%;position:static}.dash-card-icon{margin-inline:auto}.dash-card-arrow{position:absolute;top:1.25rem;right:1.25rem}.dash-card-content{text-align:center;align-items:center}.dash-card-badge{align-self:center}}.books-screen .app-hero-card{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow-sm)}.books-screen .app-hero-name{color:var(--color-text);font-family:serif}.books-screen .library-header-right{flex:1;min-width:280px}.books-search-pill{border-radius:16px;width:100%;padding:.65rem 1rem;border:1px solid var(--color-border)!important}.books-screen .app-home-section{background:0 0}.books-screen .library-tabs-bar{border-bottom:0;padding-bottom:0}.books-screen .library-tab-btn.active{background:var(--color-accent)}.books-screen .filter-chip.active{background:var(--color-accent);border-color:var(--color-accent)}.books-screen .document-row-card{border-color:var(--color-border);border-radius:16px}.books-screen .featured-card{border-radius:16px}@media (width<=700px){.books-screen .library-header-right{min-width:100%}.books-screen .library-tabs-group,.books-screen .library-controls-bar{width:100%;overflow-x:auto}}.library-container{flex-direction:column;gap:1.5rem;max-width:1150px;margin:0 auto;padding-bottom:3rem;display:flex}.library-header-card{background:var(--card-blue-bg);color:var(--card-blue-text);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);border:1px solid #0000000a;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.25rem;padding:1.75rem;display:flex}.library-banner-left{align-items:center;gap:1rem;display:flex}.library-icon-bubble{background:var(--color-surface);width:54px;height:54px;color:var(--color-blue);border-radius:18px;justify-content:center;align-items:center;display:flex;box-shadow:0 4px 14px #00000014}.library-title{letter-spacing:-.5px;font-family:serif;font-size:1.75rem;font-weight:900;line-height:1.15}.library-subtitle{opacity:.85;margin-top:.2rem;font-size:.85rem}.library-header-right{flex-direction:column;align-items:flex-end;gap:.6rem;display:flex}.library-search-pill{background:var(--color-surface);border:1px solid var(--color-border);width:260px;box-shadow:var(--shadow-sm);border-radius:9999px;align-items:center;gap:.5rem;padding:.45rem 1rem;display:flex}.library-search-pill input{color:var(--color-text);background:0 0;border:none;outline:none;width:100%;font-size:.82rem}.clear-search-btn{color:var(--color-text-mute);cursor:pointer;background:0 0;border:none}.library-storage-chip{background:#0000000f;border-radius:9999px;align-items:center;gap:.4rem;padding:.3rem .75rem;font-size:.73rem;font-weight:700;display:inline-flex}.library-tabs-bar{border-bottom:1px solid var(--color-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-bottom:.75rem;display:flex}.library-tabs-group{align-items:center;gap:.4rem;display:flex}.library-tab-btn{color:var(--color-text-sub);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:9999px;align-items:center;gap:.45rem;padding:.55rem 1.1rem;font-size:.84rem;font-weight:700;transition:all .18s;display:inline-flex}.library-tab-btn:hover{color:var(--color-text);background:#00000008}.library-tab-btn.active{background:var(--color-dark-pill);color:#fff}.tab-count-badge{color:inherit;background:#0000001a;border-radius:9999px;padding:.15rem .45rem;font-size:.68rem;font-weight:800}.create-folder-btn{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:9999px;align-items:center;gap:.35rem;padding:.45rem .95rem;font-size:.78rem;font-weight:800;display:inline-flex;box-shadow:0 4px 12px #e8692a38}.library-controls-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.filter-chips-row{scrollbar-width:none;gap:.4rem;display:flex;overflow-x:auto}.filter-chip{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-sub);cursor:pointer;white-space:nowrap;border-radius:9999px;padding:.35rem .85rem;font-size:.76rem;font-weight:700;transition:all .15s}.filter-chip:hover{color:var(--color-text)}.filter-chip.active{background:var(--color-blue);color:#fff;border-color:var(--color-blue)}.sort-controls{align-items:center;gap:.6rem;display:flex}.sort-dropdown-wrap{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-sub);border-radius:9999px;align-items:center;gap:.35rem;padding:.35rem .85rem;font-size:.76rem;display:flex}.sort-select{color:var(--color-text);cursor:pointer;background:0 0;border:none;outline:none;font-size:.76rem;font-weight:700}.offline-toggle-btn{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-sub);cursor:pointer;border-radius:9999px;align-items:center;gap:.35rem;padding:.35rem .85rem;font-size:.76rem;font-weight:700;display:inline-flex}.offline-toggle-btn.active{color:#065f46;background:#3dc99a26;border-color:#3dc99a4d}.folders-section{flex-direction:column;gap:1rem;display:flex}.folders-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr));gap:1rem;display:grid}.folder-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);cursor:pointer;box-shadow:var(--shadow-sm);flex-direction:column;gap:.85rem;padding:1.15rem;transition:all .2s;display:flex}.folder-card:hover,.folder-card.active-folder{box-shadow:var(--shadow-md);border-color:var(--color-accent);transform:translateY(-2px)}.folder-card-top{justify-content:space-between;align-items:center;display:flex}.folder-icon-bubble{border-radius:14px;justify-content:center;align-items:center;width:42px;height:42px;display:flex}.delete-folder-btn{color:var(--color-text-mute);cursor:pointer;background:0 0;border:none}.delete-folder-btn:hover{color:var(--color-red)}.folder-card-body{flex-direction:column;gap:.15rem;display:flex}.folder-name{color:var(--color-text);font-size:.95rem;font-weight:800}.folder-count{color:var(--color-text-sub);font-size:.72rem}.active-folder-header{background:var(--color-raised);border-radius:var(--radius-lg);justify-content:space-between;align-items:center;padding:.6rem 1rem;font-size:.82rem;display:flex}.clear-folder-filter{color:var(--color-accent);cursor:pointer;background:0 0;border:none;font-size:.78rem;font-weight:700}.library-featured-section{flex-direction:column;gap:.75rem;display:flex}.featured-cards-grid{grid-template-columns:repeat(2,1fr);gap:1rem;display:grid}@media (width<=600px){.featured-cards-grid{grid-template-columns:1fr}}.featured-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);cursor:pointer;min-height:140px;box-shadow:var(--shadow-sm);flex-direction:column;justify-content:space-between;padding:1.25rem;transition:all .2s;display:flex}.featured-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.featured-card-top{justify-content:space-between;align-items:flex-start;display:flex}.featured-icon-box{border-radius:14px;justify-content:center;align-items:center;width:42px;height:42px;display:flex}.featured-actions{align-items:center;gap:.4rem;display:flex}.fav-btn{color:var(--color-text-mute);cursor:pointer;background:0 0;border:none;padding:.3rem}.fav-btn.active{color:var(--color-red)}.arrow-chip{border:1px solid var(--color-border);width:26px;height:26px;color:var(--color-text-mute);border-radius:9px;justify-content:center;align-items:center;display:flex}.featured-card-body{flex-direction:column;gap:.4rem;margin-top:.85rem;display:flex}.featured-title{color:var(--color-text);font-size:.95rem;font-weight:800;line-height:1.3}.featured-meta-row{align-items:center;gap:.4rem;display:flex}.type-badge-pill{text-transform:uppercase;border-radius:6px;padding:.15rem .5rem;font-size:.65rem;font-weight:800}.course-code-pill{color:var(--color-text-sub);background:#0000000d;border-radius:6px;padding:.15rem .5rem;font-size:.65rem;font-weight:800}.library-documents-section{flex-direction:column;gap:.75rem;display:flex}.document-rows-list{flex-direction:column;gap:.65rem;display:flex}.document-row-card{background:var(--color-surface);border:1px solid var(--color-border);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:18px;align-items:center;gap:.85rem;padding:.85rem 1rem;transition:all .18s;display:flex;position:relative;overflow:hidden}.document-row-card:hover{border-color:var(--color-border-hi);box-shadow:var(--shadow-md);transform:translate(2px)}.row-accent-line{border-radius:2px;width:3px;position:absolute;top:10px;bottom:10px;left:0}.row-icon-box{border:1px solid var(--color-border);border-radius:13px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.row-info-col{flex-direction:column;flex:1;gap:.2rem;min-width:0;display:flex}.row-title{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-size:.88rem;font-weight:700;overflow:hidden}.row-meta-line{color:var(--color-text-sub);align-items:center;gap:.4rem;font-size:.72rem;display:flex}.row-course-name{color:var(--color-text-sub)}.row-dot{opacity:.5}.row-offline-tag{color:#065f46;align-items:center;gap:.2rem;font-weight:700;display:flex}.row-actions-group{flex-shrink:0;align-items:center;gap:.4rem;display:flex}.more-options-btn{background:var(--color-raised);border:1px solid var(--color-border);width:32px;height:32px;color:var(--color-text-sub);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;display:flex}.row-context-menu{background:var(--color-raised);border:1px solid var(--color-border);border-radius:9999px;align-items:center;gap:.25rem;padding:.2rem .4rem;display:flex}.mini-action-btn{width:28px;height:28px;color:var(--color-text);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.mini-action-btn:hover{background:#00000014}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0006;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);flex-direction:column;gap:1rem;width:100%;max-width:440px;padding:1.5rem;display:flex;box-shadow:0 10px 30px #0003}.modal-header{justify-content:space-between;align-items:center;display:flex}.modal-header h3{font-size:1.15rem;font-weight:800}.close-modal-btn{color:var(--color-text-sub);cursor:pointer;background:0 0;border:none}.input-label{color:var(--color-text-sub);margin-bottom:.35rem;font-size:.78rem;font-weight:700;display:block}.modal-input{border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-raised);width:100%;color:var(--color-text);outline:none;padding:.65rem .85rem;font-size:.85rem}.color-picker-row{gap:.6rem;display:flex}.color-swatch{cursor:pointer;border:2px solid #0000;border-radius:50%;width:32px;height:32px}.color-swatch.selected{border-color:#fff;transform:scale(1.15);box-shadow:0 2px 8px #0003}.modal-folders-list{flex-direction:column;gap:.5rem;max-height:240px;display:flex;overflow-y:auto}.modal-folder-item{border-radius:var(--radius-lg);background:var(--color-raised);border:1px solid var(--color-border);cursor:pointer;justify-content:space-between;align-items:center;padding:.75rem .85rem;display:flex}.modal-folder-item.selected{background:#3dc99a14;border-color:#3dc99a}.folder-item-left{align-items:center;gap:.6rem;font-size:.85rem;font-weight:700;display:flex}.modal-footer{justify-content:flex-end;gap:.6rem;margin-top:.5rem;display:flex}@media (width<=768px){.library-container{width:100%;max-width:100%;padding-left:.5rem;padding-right:.5rem;overflow-x:hidden}.library-header-card{flex-direction:column;align-items:stretch;padding:1.25rem 1rem}.library-banner-left{width:100%}.library-header-right{align-items:stretch;width:100%}.library-search-pill{box-sizing:border-box;width:100%;max-width:100%}.library-tabs-bar{flex-direction:column;align-items:stretch;gap:.75rem}.library-tabs-group{width:100%;padding-bottom:.25rem;overflow-x:auto}.library-tab-btn{white-space:nowrap;padding:.45rem .85rem;font-size:.78rem}.library-controls-bar{flex-direction:column;align-items:stretch;gap:.75rem}.sort-controls{justify-content:space-between;width:100%}.featured-cards-grid{grid-template-columns:1fr}.document-row-card{box-sizing:border-box;gap:.65rem;max-width:100%;padding:.75rem .85rem}.row-title{max-width:180px}.row-meta-line{flex-wrap:wrap;gap:.25rem}.modal-card{max-width:calc(100vw - 2rem);padding:1.15rem}}@media (width<=400px){.row-title{max-width:130px}.row-actions-group{gap:.2rem}.row-context-menu{gap:.15rem;padding:.15rem .3rem}.mini-action-btn{width:24px;height:24px}}.college-hub-page{flex-direction:column;gap:1.5rem;width:100%;min-width:0;max-width:1100px;margin:0 auto;padding-bottom:3rem;display:flex}.college-hub-hero{color:#fff;background:linear-gradient(120deg,#101827,#1b3650);border-radius:24px;align-items:center;gap:1.25rem;min-width:0;padding:2rem;display:flex;position:relative;overflow:hidden;box-shadow:0 14px 30px #10182729}.college-hub-hero:after{content:"";pointer-events:none;background:#38bdf826;border-radius:50%;width:340px;height:340px;position:absolute;top:-130px;right:-80px}.college-hero-mark{z-index:1;background:#ffffff1f;border:1px solid #fff3;border-radius:20px;flex:0 0 76px;justify-content:center;align-items:center;width:76px;height:76px;display:flex;overflow:hidden}.college-hero-mark img{object-fit:contain;width:100%;height:100%}.college-hero-copy{z-index:1;min-width:0}.college-eyebrow{color:#72d4ce;letter-spacing:2px;margin-bottom:.4rem;font-size:.68rem;font-weight:800;display:block}.college-hero-copy h1{overflow-wrap:anywhere;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.05}.college-hero-copy p{color:#ffffffb8;margin-top:.45rem;font-size:.88rem;line-height:1.45}.college-location{color:#9ed8f2;margin-top:.7rem;font-size:.75rem;font-weight:700;display:inline-block}.college-live-badge{z-index:1;color:#b5eee8;letter-spacing:.7px;white-space:nowrap;border:1px solid #72d4ce59;border-radius:999px;align-self:flex-start;align-items:center;gap:.4rem;margin-left:auto;padding:.4rem .7rem;font-size:.65rem;font-weight:800;display:flex}.college-live-badge span{background:#72d4ce;border-radius:50%;width:7px;height:7px}.college-notice-strip{color:#9a6500;background:#dfa83c1a;border:1px solid #e0a83c40;border-radius:12px;align-items:center;gap:.7rem;min-width:0;padding:.8rem 1rem;display:flex}.college-notice-track{white-space:nowrap;gap:2rem;min-width:0;font-size:.8rem;font-weight:700;display:flex;overflow:hidden}.college-notice-track span{text-overflow:ellipsis;overflow:hidden}.college-hub-section{flex-direction:column;gap:.8rem;min-width:0;display:flex}.college-section-heading{justify-content:space-between;align-items:center;gap:1rem;display:flex}.college-section-heading>span{color:var(--color-text-mute);letter-spacing:2.4px;align-items:center;gap:.6rem;font-size:.68rem;font-weight:800;display:flex}.college-section-heading i{background:var(--color-accent);width:14px;height:1px}.college-section-heading button{color:var(--color-accent);cursor:pointer;background:0 0;border:0;align-items:center;gap:.35rem;font-size:.75rem;font-weight:700;display:inline-flex}.college-events-grid{grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:1rem;display:grid}.college-feature-event{color:#fff;text-align:left;cursor:pointer;background:#182536;border:0;border-radius:18px;min-height:250px;position:relative;overflow:hidden}.college-feature-event img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.college-event-overlay{background:linear-gradient(#0000 25%,#050a14e6);position:absolute;inset:0}.college-event-content{position:absolute;bottom:1.2rem;left:1.25rem;right:1.25rem}.college-event-content span{color:#8ee3dc;letter-spacing:1px;text-transform:uppercase;font-size:.68rem;font-weight:800}.college-event-content h2{overflow-wrap:anywhere;margin:.45rem 0;font-size:1.35rem}.college-event-content p{color:#ffffffb3;font-size:.8rem}.college-secondary-events{flex-direction:column;gap:.6rem;display:flex}.college-secondary-event,.college-club-card,.college-explore-card{border:1px solid var(--color-border);background:var(--color-surface);min-width:0;color:var(--color-text);text-align:left;cursor:pointer;border-radius:14px;align-items:center;gap:.75rem;padding:1rem;display:flex}.college-secondary-event{flex:1}.college-secondary-event>svg:first-child,.college-club-card>svg:first-child{color:var(--color-accent);flex:none}.college-secondary-event span,.college-club-card span,.college-explore-card span{flex-direction:column;flex:1;min-width:0;display:flex}.college-secondary-event strong,.college-club-card span,.college-explore-card strong{text-overflow:ellipsis;white-space:nowrap;font-size:.82rem;overflow:hidden}.college-secondary-event small,.college-explore-card small{color:var(--color-text-sub);text-overflow:ellipsis;white-space:nowrap;margin-top:.25rem;font-size:.7rem;overflow:hidden}.college-secondary-event>svg:last-child,.college-club-card>svg:last-child,.college-explore-card>svg:last-child{color:var(--color-text-mute);flex:none}.college-spotlight-grid,.college-explore-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.85rem;display:grid}.college-spotlight-card{background:#9b7cf414;border:1px solid #9b7cf433;border-radius:16px;min-width:0;padding:1.2rem}.college-spotlight-card>svg{color:#8068cf}.college-spotlight-card h3{overflow-wrap:anywhere;margin:.7rem 0 .45rem;font-size:.95rem}.college-spotlight-card p{color:var(--color-text-sub);overflow-wrap:anywhere;font-size:.8rem;line-height:1.5}.college-spotlight-card footer{color:var(--color-text-mute);margin-top:.8rem;font-size:.7rem}.college-clubs-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;display:grid}.college-club-card{padding:.75rem}.college-club-card img{object-fit:cover;border-radius:10px;flex:0 0 34px;width:34px;height:34px}.college-explore-card{padding:1.1rem}.college-explore-card>div{background:var(--color-accent-dim);width:38px;height:38px;color:var(--color-accent);border-radius:11px;flex:0 0 38px;justify-content:center;align-items:center;display:flex}.college-hub-loading{color:var(--color-text-sub);text-align:center;padding:3rem}@media (width<=767px){.college-hub-page{gap:1.1rem;padding-bottom:1.5rem}.college-hub-hero{border-radius:18px;align-items:flex-start;gap:.85rem;padding:1.25rem}.college-hero-mark{border-radius:15px;flex-basis:56px;width:56px;height:56px}.college-live-badge{font-size:0;position:absolute;top:1rem;right:1rem}.college-live-badge span{width:8px;height:8px}.college-hero-copy{padding-right:1.2rem}.college-hero-copy h1{font-size:1.6rem}.college-hero-copy p{font-size:.78rem}.college-events-grid{grid-template-columns:1fr}.college-feature-event{min-height:210px}.college-spotlight-grid,.college-explore-grid,.college-clubs-grid{grid-template-columns:1fr}.college-secondary-event{min-height:64px}.college-notice-track{font-size:.72rem}.college-section-heading>span{letter-spacing:1.6px;font-size:.62rem}}.skeleton{background:linear-gradient(100deg,#ffffff1f 20%,#ffffff47 40%,#ffffff1f 60%) 0 0/300% 100%;border-radius:8px;min-height:1rem;animation:1.5s ease-in-out infinite skeleton-shimmer;display:block}@keyframes skeleton-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}@media (prefers-reduced-motion:reduce){.skeleton{animation:none}}.schedule-page{box-sizing:border-box;color:#263746;background:#e9eff3;width:100%;max-width:100%;min-height:100%;padding-bottom:48px;overflow-x:hidden}.schedule-hero{color:#f5f9fc;box-sizing:border-box;background:linear-gradient(135deg,#7068df 0%,#5951c5 55%,#403b9b 100%);margin:-1.25rem -2rem 22px;padding:26px clamp(22px,4vw,58px) 34px;box-shadow:0 12px 30px #3636822e}.schedule-hero-top{justify-content:space-between;align-items:center;gap:18px;max-width:1180px;margin:0 auto 35px;display:flex}.schedule-breadcrumb{color:#ffffffbf;align-items:center;gap:7px;font-size:.82rem;font-weight:700;display:flex}.schedule-breadcrumb svg{width:13px;height:13px}.schedule-hero-actions,.schedule-toolbar-actions{align-items:center;gap:9px;display:flex}.schedule-streak{color:#fff;background:#ffffff1f;border:1px solid #ffffff2e;border-radius:999px;align-items:center;gap:6px;padding:9px 13px;font-size:.78rem;font-weight:700;display:flex}.schedule-light-button{color:#4e48a4;cursor:pointer;background:#fff;border:0;border-radius:10px;align-items:center;gap:6px;padding:9px 13px;font-weight:800;display:inline-flex}.schedule-light-button:disabled,.schedule-primary-button:disabled{opacity:.62;cursor:wait}.schedule-hero-copy{max-width:1180px;margin:0 auto}.schedule-eyebrow,.schedule-summary-label{color:#7671da;letter-spacing:.14em;font-size:.68rem;font-weight:900}.schedule-hero .schedule-eyebrow{color:#ffffffb8}.schedule-hero h1{color:#fff;letter-spacing:-.035em;margin:8px 0;font-family:Georgia,serif;font-size:clamp(2rem,4vw,3.15rem)}.schedule-hero p{color:#ffffffc7;margin:0;font-size:.92rem}.schedule-add-panel,.schedule-summary,.schedule-calendar-card,.schedule-task-list{box-sizing:border-box;background:#fff;border:1px solid #d1dde4;border-radius:18px;width:min(1180px,100% - 28px);max-width:1180px;margin:0 auto 18px;box-shadow:0 8px 22px #314c5e14}.schedule-add-panel{padding:16px}.schedule-add-heading,.schedule-section-heading{justify-content:space-between;align-items:center;gap:14px;display:flex}.schedule-add-heading button{color:#718493;cursor:pointer;background:0 0;border:0;place-items:center;display:grid}.schedule-add-fields{flex-wrap:wrap;gap:10px;margin-top:13px;display:flex}.schedule-add-fields input{color:#263746;background:#f7fafb;border:1px solid #d1dde4;border-radius:9px;outline:none;flex:1;min-width:170px;padding:10px 12px}.schedule-add-fields button,.schedule-section-heading button{color:#fff;cursor:pointer;background:#526f8d;border:0;border-radius:9px;align-items:center;gap:6px;padding:10px 13px;font-weight:800;display:inline-flex}.schedule-loading{box-sizing:border-box;color:#607587;text-align:center;width:min(1180px,100% - 28px);max-width:1180px;margin:35px auto;padding:36px}.schedule-curation-message{box-sizing:border-box;color:#477565;background:#edf7f3;border:1px solid #bdd8cf;border-radius:10px;width:min(1180px,100% - 28px);max-width:1180px;margin:0 auto 18px;padding:11px 14px;font-size:.82rem}.schedule-empty-state{box-sizing:border-box;color:#263746;text-align:center;background:#fff;border:1px solid #d1dde4;border-radius:20px;width:min(1180px,100% - 28px);max-width:1180px;margin:0 auto;padding:58px 24px;box-shadow:0 8px 22px #314c5e14}.schedule-empty-art{color:#7d78dc;background:#eeedff;border-radius:22px;place-items:center;width:82px;height:82px;margin:0 auto 16px;display:grid}.schedule-empty-state h2{margin:0 0 8px;font-family:Georgia,serif;font-size:1.45rem}.schedule-empty-state p{color:#718493;max-width:570px;margin:0 auto;line-height:1.55}.schedule-benefits{color:#607587;flex-wrap:wrap;justify-content:center;gap:12px 24px;margin:23px auto;font-size:.82rem;display:flex}.schedule-benefits span{align-items:center;gap:6px;display:inline-flex}.schedule-benefits svg{color:#65a993}.schedule-primary-button{color:#fff;cursor:pointer;background:#5d57d0;border:0;border-radius:11px;align-items:center;gap:7px;padding:12px 18px;font-weight:800;display:inline-flex}.schedule-secondary-button{color:#527b98;cursor:pointer;background:#f7fafb;border:1px solid #cbd9e1;border-radius:10px;align-items:center;gap:6px;margin-top:10px;padding:9px 14px;font-weight:800;display:inline-flex}.schedule-summary{align-items:center;gap:18px;padding:16px 20px;display:flex}.schedule-summary>div:first-child{gap:5px;min-width:220px;display:grid}.schedule-summary strong{color:#334c5e;font-size:.9rem}.schedule-progress{background:#e1e9ee;border-radius:99px;flex:1;height:8px;overflow:hidden}.schedule-progress span{border-radius:inherit;background:#75b29f;height:100%;display:block}.schedule-progress-value{color:#527b98;font-size:.82rem;font-weight:900}.schedule-calendar-card{overflow:hidden}.schedule-calendar-toolbar{border-bottom:1px solid #e0e7ec;justify-content:space-between;align-items:center;gap:15px;padding:15px 18px;display:flex}.schedule-month-controls{align-items:center;gap:10px;display:flex}.schedule-month-controls h2{min-width:175px;margin:0;font-family:Georgia,serif;font-size:1.2rem}.schedule-month-controls button,.schedule-toolbar-actions button{color:#607587;cursor:pointer;background:#f7fafb;border:1px solid #d1dde4;border-radius:9px;align-items:center;gap:5px;padding:8px 11px;font-weight:700;display:inline-flex}.schedule-weekdays,.schedule-calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));display:grid}.schedule-weekdays{background:#f7fafb;border-bottom:1px solid #e0e7ec}.schedule-weekdays span{color:#7b8c9a;text-align:right;text-transform:uppercase;padding:10px 12px;font-size:.72rem;font-weight:900}.schedule-day{background:#fff;border-bottom:1px solid #e5ebef;border-right:1px solid #e5ebef;min-height:105px;padding:9px}.schedule-day:nth-child(7n){border-right:0}.schedule-day.muted{background:#fafcfd}.schedule-day-number{color:#526c80;text-align:right;font-size:.78rem;font-weight:800;display:block}.schedule-day.muted .schedule-day-number{color:#b4c0c9}.schedule-day.today .schedule-day-number{color:#fff;background:#6d68d8;border-radius:50%;place-items:center;width:25px;height:25px;margin-left:auto;display:grid}.schedule-day-items{gap:4px;margin-top:6px;display:grid}.schedule-task{color:#36536c;text-align:left;cursor:pointer;background:#e8f0f5;border:0;border-radius:5px;align-items:center;gap:4px;min-width:0;padding:5px;font-size:.68rem;display:flex;overflow:hidden}.schedule-task span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.schedule-task.completed{color:#629483;background:#e5f2ed;text-decoration:line-through}.schedule-day-items small{color:#7b8c9a;font-size:.67rem}.schedule-task-list{padding:20px}.schedule-section-heading{margin-bottom:14px}.schedule-section-heading h2{color:#263746;margin:5px 0 0;font-family:Georgia,serif;font-size:1.25rem}.schedule-task-row{border-top:1px solid #e5ebef;align-items:center;gap:13px;padding:13px 0;display:flex}.schedule-check,.schedule-delete{cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid}.schedule-check{color:#9babb7}.schedule-task-row.completed .schedule-check{color:#65a993}.schedule-task-copy{flex:1;min-width:0}.schedule-task-copy span{color:#527b98;text-transform:uppercase;font-size:.7rem;font-weight:900}.schedule-task-copy h3{color:#334c5e;margin:4px 0 0;font-size:.9rem}.schedule-task-row.completed h3{color:#8ba0ad;text-decoration:line-through}.schedule-task-row time{color:#718493;font-size:.78rem}.schedule-delete{color:#a77d83}@media (width<=700px){.schedule-hero{margin:-1rem -1rem 18px;padding:20px 16px 28px}.schedule-hero-top,.schedule-calendar-toolbar{flex-direction:column;align-items:flex-start}.schedule-breadcrumb{white-space:nowrap;text-overflow:ellipsis;max-width:100%;overflow:hidden}.schedule-hero-actions,.schedule-toolbar-actions{flex-wrap:wrap;justify-content:flex-start;width:100%}.schedule-light-button{flex:145px;justify-content:center}.schedule-summary{flex-direction:column;align-items:stretch}.schedule-summary>div:first-child{min-width:0}.schedule-calendar-card{overscroll-behavior-x:contain;overflow-x:auto}.schedule-calendar-toolbar,.schedule-weekdays,.schedule-calendar-grid{min-width:680px}.schedule-task-row{flex-wrap:wrap;align-items:flex-start}.schedule-task-row time{margin-left:34px}.schedule-add-panel{padding:14px}.schedule-add-fields{grid-template-columns:minmax(0,1fr);display:grid}.schedule-add-fields input,.schedule-add-fields button{box-sizing:border-box;width:100%;min-width:0}.schedule-empty-state{padding:38px 16px}.schedule-empty-state h2{font-size:1.2rem}.schedule-benefits{text-align:left;flex-direction:column;align-items:flex-start;width:fit-content;margin-left:auto;margin-right:auto}.schedule-task-list{padding:16px}.schedule-section-heading{flex-direction:column;align-items:flex-start}.schedule-section-heading button{justify-content:center;width:100%}}@media (width<=380px){.schedule-page{padding-bottom:28px}.schedule-hero{margin-left:-.75rem;margin-right:-.75rem;padding-left:12px;padding-right:12px}.schedule-hero-actions{grid-template-columns:minmax(0,1fr);display:grid}.schedule-light-button{width:100%;min-width:0}.schedule-streak{justify-content:center}.schedule-add-panel,.schedule-summary,.schedule-calendar-card,.schedule-task-list,.schedule-curation-message,.schedule-empty-state,.schedule-loading{width:calc(100% - 16px)}.schedule-task-row{gap:9px}.schedule-task-copy h3{overflow-wrap:anywhere;font-size:.82rem}.schedule-task-row time{width:calc(100% - 34px);margin-left:30px}}.my-courses-page{--course-ink:var(--color-text);--course-muted:var(--color-text-sub);--course-accent:var(--color-accent);--course-line:var(--color-border);--course-surface:var(--color-surface);--course-raised:var(--color-raised);gap:1.25rem;max-width:1260px;margin:0 auto;padding:clamp(1rem,2vw,1.8rem)}.courses-hero{isolation:isolate;border-radius:var(--radius-md,18px);color:#fff;background:linear-gradient(135deg,#181b22 0%,#13161c 100%);justify-content:space-between;align-items:center;gap:1.25rem;min-height:250px;padding:clamp(1.4rem,3vw,2.6rem);display:flex;position:relative;overflow:hidden}.courses-hero:before,.courses-hero:after{content:"";z-index:-1;pointer-events:none;border:1px solid #e3f1de24;border-radius:50%;position:absolute}.courses-hero:before{width:390px;height:390px;top:-65%;right:7%;box-shadow:0 0 0 42px #e3f1de09,0 0 0 84px #e3f1de06}.courses-hero:after{border-color:#f4b97c38;width:230px;height:230px;bottom:-72%;left:-8%}.courses-hero-copy{max-width:650px;animation:.4s both course-reveal}.courses-eyebrow,.courses-section-kicker{letter-spacing:1.15px;align-items:center;gap:.45rem;font-size:.67rem;font-weight:800;line-height:1.4;display:inline-flex}.courses-eyebrow{color:var(--color-blue,#38bdf8)}.courses-eyebrow i{opacity:.65;background:currentColor;width:18px;height:1px}.courses-hero h1{color:#fff;margin:.8rem 0 .65rem;font-size:3rem;font-weight:800;line-height:1.02}.courses-hero h1 span{color:#fbbf24}.courses-hero-copy>p{color:#cbd5e1;max-width:510px;margin:0;font-size:.91rem;line-height:1.6}.courses-hero-stats{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#edf7ea17;border:1px solid #eff9ed38;border-radius:10px;flex:none;grid-template-columns:auto 1px auto;align-items:center;gap:1rem;min-width:220px;padding:1rem 1.1rem;animation:.5s 70ms both course-reveal;display:grid}.courses-stat-main{flex-direction:column;gap:.1rem;display:flex}.courses-stat-main>span{color:#cbd5e1;letter-spacing:1px;font-size:.58rem;font-weight:800}.courses-stat-main strong{color:#fff;font-size:2rem;line-height:1.2}.courses-stat-main small,.courses-stat-secondary small{color:#cbd5e1;white-space:nowrap;font-size:.63rem}.courses-stat-divider{background:#eff9ed3b;width:1px;height:42px}.courses-stat-secondary{gap:.2rem;display:grid}.courses-stat-secondary+.courses-stat-secondary{grid-column:3}.courses-stat-secondary span{color:#fff;align-items:center;gap:.35rem;font-size:.75rem;font-weight:800;display:inline-flex}.courses-stat-secondary span svg{color:#fbbf24}.courses-hero-art{z-index:-1;opacity:.7;width:120px;height:130px;position:absolute;right:31%}.courses-art-orbit{border:1px solid #e8f2e040;border-radius:50%;position:absolute;inset:17px 0;transform:rotate(-30deg)}.courses-art-book{border:1px solid #ffffff80;border-radius:5px;place-items:center;width:52px;height:65px;display:grid;position:absolute;box-shadow:0 9px 20px #00000029}.courses-art-book-back{color:#486049;background:#e9c997;top:22px;left:21px;transform:rotate(-11deg)}.courses-art-book-front{color:#2d7255;background:#f0f3e8;top:38px;left:52px;transform:rotate(9deg)}.courses-art-mark{color:#f0bc86;font-size:1.7rem;font-weight:500;position:absolute;top:5px;right:2px}.courses-workspace{border:1px solid var(--course-line);border-radius:var(--radius-md,18px);background:var(--color-deep);padding:clamp(1rem,2.1vw,1.6rem)}.courses-section-head{justify-content:space-between;align-items:flex-end;gap:1rem;display:flex}.courses-section-kicker{color:var(--color-text-mute)}.courses-section-head h2{color:var(--course-ink);align-items:center;gap:.55rem;margin:.3rem 0 0;font-size:1.35rem;font-weight:800;line-height:1.3;display:flex}.courses-section-head h2 span{background:var(--color-accent-dim);min-width:24px;color:var(--color-text-sub);text-align:center;border-radius:6px;padding:.18rem .4rem;font-size:.68rem}.courses-search{border:1px solid var(--course-line);background:var(--course-surface);width:min(100%,310px);min-height:42px;color:var(--color-text-sub);box-sizing:border-box;border-radius:8px;align-items:center;gap:.55rem;padding:0 .7rem;display:flex}.courses-search:focus-within{border-color:var(--color-blue);box-shadow:0 0 0 3px #38bdf81f}.courses-search input{min-width:0;color:var(--course-ink);background:0 0;border:0;outline:0;flex:1;font:500 .77rem Plus Jakarta Sans,sans-serif}.courses-search input::placeholder{color:var(--color-text-mute)}.courses-search button{width:28px;height:28px;color:var(--color-text-sub);cursor:pointer;background:0 0;border:0;border-radius:6px;place-items:center;display:grid}.courses-search button:hover{background:var(--color-accent-dim);color:var(--color-text)}.courses-filter-row{border-bottom:1px solid var(--course-line);justify-content:space-between;align-items:center;gap:.8rem;margin:1.1rem 0 .9rem;display:flex}.courses-filter-tabs{align-items:center;gap:.25rem;min-width:0;display:flex}.courses-filter-tabs button{min-height:40px;color:var(--color-text-sub);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;align-items:center;gap:.36rem;padding:0 .65rem;font:700 .7rem Plus Jakarta Sans,sans-serif;display:inline-flex}.courses-filter-tabs button.active{color:var(--color-text);border-bottom-color:var(--color-accent)}.courses-filter-tabs button span{background:var(--color-accent-dim);color:var(--color-text-sub);border-radius:4px;padding:.12rem .32rem;font-size:.62rem}.courses-filter-caption{color:var(--color-text-mute);white-space:nowrap;align-items:center;gap:.3rem;padding-bottom:.55rem;font-size:.67rem;font-weight:600;display:inline-flex}.courses-card-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,245px),1fr));gap:.8rem;display:grid}.course-work-card{border:1px solid var(--course-line);border-top:3px solid var(--course-edge,#7ea98a);border-radius:var(--radius-sm,12px);background:var(--course-surface);min-width:0;min-height:220px;box-shadow:var(--shadow-sm);flex-direction:column;padding:1rem;transition:transform .17s,box-shadow .17s,border-color .17s;animation:.36s both course-reveal;display:flex;position:relative}.course-work-card:hover{border-color:var(--color-border-hi);border-top-color:var(--course-edge,#7ea98a);box-shadow:var(--shadow-md);transform:translateY(-3px)}.course-card-topline{justify-content:space-between;align-items:flex-start;display:flex}.course-card-icon{border-radius:6px;place-items:center;width:43px;height:43px;display:grid}.course-save-button{border:1px solid var(--course-line);background:var(--course-surface);width:34px;height:34px;color:var(--color-text-sub);cursor:pointer;border-radius:6px;place-items:center;transition:color .15s,background .15s,border .15s;display:grid}.course-save-button:hover{color:#ac792d;border-color:#d4b675}.course-save-button.saved{border-color:var(--color-green);background:var(--color-green-dim);color:var(--color-green)}.course-card-heading{margin-top:.8rem}.course-code{max-width:100%;color:var(--color-text-mute);letter-spacing:.8px;overflow-wrap:anywhere;font-size:.62rem;font-weight:800;display:inline-block}.course-card-heading h3{color:var(--course-ink);overflow-wrap:anywhere;margin:.2rem 0 0;font-size:1.02rem;font-weight:800;line-height:1.35}.course-resource-summary{min-height:37px;color:var(--course-muted);flex-wrap:wrap;align-items:center;gap:.35rem .65rem;margin-top:.35rem;font-size:.66rem;display:flex}.course-resource-summary>span{align-items:center;gap:.25rem;display:inline-flex}.course-resource-summary>span:first-child{color:var(--color-blue);font-weight:700}.course-resource-summary>span:first-child svg{color:var(--color-blue)}.course-resource-summary .no-course-resources{color:var(--color-text-mute)}.course-card-actions{border-top:1px solid var(--course-line);align-items:center;gap:.45rem;margin-top:auto;padding-top:.7rem;display:flex}.course-materials-button{border:1px solid var(--course-line);background:var(--color-accent-dim);min-height:38px;color:var(--color-text);cursor:pointer;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:.4rem;font:800 .7rem Plus Jakarta Sans,sans-serif;transition:background .15s;display:flex}.course-materials-button:hover{background:var(--color-lift2)}.course-materials-button svg:last-child{margin-left:auto}.course-quiz-button{color:#e8692a;cursor:pointer;background:#e8692a1a;border:1px solid #e8692a3d;border-radius:8px;flex:0 0 38px;place-items:center;width:38px;height:38px;display:grid}.course-quiz-button:hover{background:#e8692a2e}.courses-state-panel{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:275px;padding:1.5rem;display:flex}.courses-state-icon{background:var(--color-accent-dim);width:54px;height:54px;color:var(--color-text-sub);border-radius:50%;place-items:center;display:grid}.courses-state-icon.error{color:#a94f3c;background:#faeae6}.courses-state-panel h3{color:var(--course-ink);margin:.85rem 0 .3rem;font-size:1rem;font-weight:800}.courses-state-panel p{max-width:430px;color:var(--course-muted);margin:0;font-size:.78rem;line-height:1.55}.courses-state-panel>button{border:1px solid var(--course-line);background:var(--course-surface);min-height:37px;color:var(--course-ink);cursor:pointer;border-radius:8px;align-items:center;gap:.4rem;margin-top:.85rem;padding:.4rem .7rem;font:800 .7rem Plus Jakarta Sans,sans-serif;display:inline-flex}.course-skeleton{border:1px solid var(--course-line);border-radius:var(--radius-sm,12px);background:var(--course-surface);flex-direction:column;gap:.7rem;min-height:220px;padding:1rem;display:flex}.course-skeleton span,.course-skeleton i,.course-skeleton b{background:linear-gradient(90deg, var(--color-raised) 25%, var(--color-lift2) 50%, var(--color-raised) 75%);background-size:200% 100%;border-radius:4px;animation:1.5s infinite course-shimmer;display:block}.course-skeleton span{width:42px;height:42px}.course-skeleton i{width:73%;height:12px}.course-skeleton i:nth-of-type(2){width:49%}.course-skeleton b{width:100%;height:38px;margin-top:auto}.courses-footer-note{border:1px solid var(--course-line);background:var(--course-surface);border-radius:8px;align-items:center;gap:.7rem;margin-top:1rem;padding:.7rem .8rem;display:flex}.courses-footer-note>span{color:#e8692a;background:#e8692a1f;border-radius:6px;flex:0 0 30px;place-items:center;width:30px;height:30px;display:grid}.courses-footer-note p{color:var(--course-muted);flex:1;margin:0;font-size:.7rem;line-height:1.4}.courses-footer-note p strong{color:var(--course-ink)}.courses-footer-note button{color:#477352;cursor:pointer;background:0 0;border:0;flex:none;align-items:center;gap:.2rem;padding:.35rem;font:800 .68rem Plus Jakarta Sans,sans-serif;display:inline-flex}@keyframes course-reveal{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@keyframes course-shimmer{to{background-position:-200% 0}}@media (width<=960px){.courses-hero-art{opacity:.45;right:33%}.courses-hero-stats{gap:.75rem;min-width:195px;padding-inline:.8rem}}@media (width<=700px){.my-courses-page{gap:.9rem;padding:.85rem}.courses-hero{flex-direction:column;align-items:flex-start;gap:1rem;min-height:0;padding:1.2rem}.courses-hero h1{font-size:2rem}.courses-hero-copy>p{max-width:480px;font-size:.82rem}.courses-hero-art{transform-origin:100% 0;opacity:.3;top:8%;right:8%;transform:scale(.72)}.courses-hero-stats{box-sizing:border-box;width:100%;min-width:0;max-width:360px}.courses-workspace{padding:.85rem}.courses-section-head{flex-direction:column;align-items:stretch}.courses-search{width:100%}.courses-filter-row{align-items:flex-start}.courses-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem}.course-work-card{min-height:225px;padding:.75rem}.course-card-icon{width:38px;height:38px}.course-card-heading h3{font-size:.91rem}.course-resource-summary{gap:.3rem .45rem;font-size:.62rem}.courses-footer-note{flex-wrap:wrap;align-items:flex-start}.courses-footer-note p{min-width:calc(100% - 48px)}.courses-footer-note button{margin-left:37px}}@media (width<=380px){.my-courses-page{padding:.65rem}.courses-hero-stats{grid-template-columns:auto 1px minmax(0,1fr);gap:.55rem;padding:.75rem}.courses-stat-main strong{font-size:1.65rem}.courses-stat-secondary span{font-size:.68rem}.courses-workspace{padding:.65rem}.courses-filter-caption{display:none}.courses-filter-tabs{justify-content:space-between;width:100%}.courses-filter-tabs button{padding-inline:.4rem;font-size:.65rem}.courses-card-grid{gap:.4rem}.course-work-card{min-height:220px;padding:.6rem}.course-card-icon{width:34px;height:34px}.course-save-button{width:30px;height:30px}.course-card-heading h3{font-size:.84rem}.course-resource-summary{font-size:.58rem}.course-materials-button{gap:.25rem;font-size:.64rem}}@media (prefers-reduced-motion:reduce){.courses-hero-copy,.courses-hero-stats,.course-work-card,.course-skeleton span,.course-skeleton i,.course-skeleton b{animation:none}.course-work-card,.course-save-button,.course-materials-button{transition:none}}.nm-container{flex-direction:column;gap:1.5rem;max-width:1150px;margin:0 auto;padding-bottom:4rem;display:flex}.nm-hero-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-direction:column;gap:1rem;padding:1.5rem 1.75rem;display:flex;position:relative;overflow:hidden}.nm-nav-row{z-index:2;align-items:center;gap:.85rem;display:flex}.nm-back-btn{background:var(--color-raised);border:1px solid var(--color-border);width:38px;height:38px;color:var(--color-text);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;transition:all .18s;display:flex}.nm-back-btn:hover{background:var(--color-surface);border-color:var(--color-border-hi)}.nm-brand-badge{align-items:center;gap:.5rem;display:flex}.nm-logo-icon{background:var(--color-accent);color:#fff;border-radius:9px;justify-content:center;align-items:center;width:30px;height:30px;font-size:.9rem;display:flex}.nm-brand-title{color:var(--color-text);letter-spacing:-.3px;font-size:1.15rem;font-weight:800}.nm-brand-accent{color:var(--color-accent)}.nm-hero-body{z-index:2;flex-direction:column;gap:.35rem;display:flex}.nm-title-row{align-items:center;gap:.75rem;display:flex}.nm-hero-title{color:var(--color-text);letter-spacing:-.5px;margin:0;font-family:serif;font-size:1.75rem;font-weight:900}.nm-hero-sub{color:var(--color-text-sub);font-size:.85rem}.nm-search-bar{z-index:2;background:var(--color-raised);border:1px solid var(--color-border);border-radius:16px;align-items:center;gap:.75rem;padding:.65rem 1rem;transition:border-color .15s;display:flex}.nm-search-bar:focus-within{border-color:var(--color-accent)}.nm-search-input{color:var(--color-text);background:0 0;border:none;outline:none;flex:1;font-size:.9rem}.nm-search-input::placeholder{color:var(--color-text-mute)}.nm-feat-section{flex-direction:column;gap:.85rem;display:flex}.nm-feat-carousel{scrollbar-width:none;gap:1rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.nm-feat-card{background:linear-gradient(135deg, var(--color-surface) 0%, var(--color-raised) 100%);border:1px solid var(--color-border);cursor:pointer;width:280px;min-width:260px;box-shadow:var(--shadow-sm);border-radius:20px;flex-direction:column;justify-content:space-between;gap:.75rem;padding:1.25rem;transition:all .2s;display:flex}.nm-feat-card:hover{border-color:var(--color-border-hi);box-shadow:var(--shadow-md);transform:translateY(-2px)}.nm-feat-badge{border:1px solid #0000;border-radius:8px;align-self:flex-start;align-items:center;gap:.35rem;padding:.25rem .6rem;font-size:.7rem;font-weight:800;display:flex}.nm-feat-title{color:var(--color-text);font-size:1rem;font-weight:800;line-height:1.3}.nm-feat-footer{border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;margin-top:.5rem;padding-top:.6rem;display:flex}.nm-feat-save-btn{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-sub);cursor:pointer;border-radius:8px;align-items:center;gap:.35rem;padding:.3rem .65rem;font-size:.75rem;font-weight:700;transition:all .15s;display:flex}.nm-feat-save-btn:hover{border-color:var(--color-border-hi);color:var(--color-text)}.nm-feat-save-btn.saved{background:var(--color-orange-dim);color:var(--color-accent);border-color:#e8692a4d}.nm-section-head{justify-content:space-between;align-items:center;margin-top:.5rem;margin-bottom:.85rem;display:flex}.nm-section-label-row{align-items:center;gap:.6rem;display:flex}.nm-orange-line{background:var(--color-accent);border-radius:1px;width:14px;height:2px}.nm-section-title{color:var(--color-text-mute);letter-spacing:2.5px;text-transform:uppercase;font-size:.72rem;font-weight:800}.nm-badge-latest{background:var(--color-orange-dim);color:var(--color-accent);border:1px solid #e8692a4d;border-radius:6px;padding:.2rem .6rem;font-size:.65rem;font-weight:900}.nm-materials-list{flex-direction:column;gap:.85rem;display:flex}.nm-mat-card{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:20px;transition:all .2s;position:relative;overflow:hidden}.nm-mat-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-border-hi);transform:translateY(-2px)}.nm-mat-accent{width:4px;position:absolute;top:0;bottom:0;left:0}.nm-official-badge{z-index:2;background:var(--color-accent);color:#fff;border-bottom-left-radius:12px;align-items:center;gap:.3rem;padding:.3rem .75rem;font-size:.65rem;font-weight:800;display:flex;position:absolute;top:0;right:0}.nm-mat-inner{flex-direction:column;gap:.85rem;padding:1.25rem 1.25rem 1.25rem 1.5rem;display:flex}.nm-mat-top{align-items:flex-start;gap:1rem;display:flex}.nm-mat-icon-box{border:1px solid var(--color-border);border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:54px;height:54px;display:flex}.nm-mat-type-icon{color:var(--color-text-sub)}.nm-mat-header{flex:1;min-width:0}.nm-mat-course{color:var(--color-accent);text-transform:uppercase;letter-spacing:.5px;font-size:.72rem;font-weight:800}.nm-mat-title{color:var(--color-text);margin-top:.15rem;font-size:1.05rem;font-weight:800;line-height:1.3}.nm-mat-meta-row{color:var(--color-text-sub);flex-wrap:wrap;align-items:center;gap:.85rem;margin-top:.4rem;font-size:.75rem;display:flex}.nm-mat-meta-item{align-items:center;gap:.3rem;display:flex}.nm-stat-bar{border-top:1px solid var(--color-border);flex-wrap:wrap;align-items:center;gap:.6rem;padding-top:.75rem;display:flex}.nm-stat-item{color:var(--color-text-sub);align-items:center;gap:.3rem;font-size:.75rem;display:flex}.nm-badge-pro{color:#dfa83c;background:#dfa83c26;border-radius:6px;padding:.15rem .45rem;font-size:.65rem;font-weight:900}.nm-badge-new{color:#3dc99a;background:#3dc99a26;border-radius:6px;padding:.15rem .45rem;font-size:.65rem;font-weight:900}.nm-type-chip{border:1px solid #0000;border-radius:8px;margin-left:auto;padding:.2rem .6rem;font-size:.7rem;font-weight:800}.nm-mat-actions{flex-direction:column;gap:.6rem;margin-top:.25rem;display:flex}.nm-primary-row{flex-wrap:wrap;gap:.6rem;display:flex}.nm-btn-primary{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.4rem;min-width:140px;height:40px;font-size:.82rem;font-weight:700;transition:all .15s;display:flex;box-shadow:0 3px 10px #e8692a33}.nm-btn-primary:hover{transform:translateY(-1px)}.nm-btn-save{background:var(--color-raised);min-width:140px;height:40px;color:var(--color-text);border:1px solid var(--color-border);cursor:pointer;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.4rem;font-size:.82rem;font-weight:700;transition:all .15s;display:flex}.nm-btn-save:hover{border-color:var(--color-border-hi)}.nm-btn-save.saved{color:#3dc99a;background:#3dc99a1f;border-color:#3dc99a}.nm-utility-row{flex-wrap:wrap;gap:.6rem;display:flex}.nm-utility-btn{background:var(--color-surface);border:1px solid var(--color-border);min-width:90px;height:36px;color:var(--color-text-sub);cursor:pointer;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:.35rem;font-size:.75rem;font-weight:700;transition:all .15s;display:flex}.nm-utility-btn:hover{border-color:var(--color-border-hi);color:var(--color-text)}.nm-utility-btn.bookmarked{color:#dfa83c;background:#dfa83c1f;border-color:#dfa83c4d}@media (width<=640px){.nm-container{width:100%;max-width:100%;padding-left:.5rem;padding-right:.5rem;overflow-x:hidden}.nm-hero-card{padding:1.25rem 1rem}.nm-hero-title{font-size:1.35rem}.nm-search-bar{box-sizing:border-box;width:100%}.nm-card-inner{padding:1rem}.nm-btn-primary,.nm-btn-save{width:100%;min-width:0}.nm-utility-btn{flex:30%;min-width:0}.nm-mat-title{font-size:.95rem}}.pq-container{flex-direction:column;gap:1.5rem;max-width:1150px;margin:0 auto;padding-bottom:4rem;display:flex}.pq-hero-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-direction:column;gap:1.25rem;padding:1.5rem 1.75rem;display:flex;position:relative;overflow:hidden}.pq-hero-body{z-index:2;flex-direction:column;gap:.35rem;display:flex}.pq-title-row{align-items:center;gap:.75rem;display:flex}.pq-back-btn{background:var(--color-raised);border:1px solid var(--color-border);width:38px;height:38px;color:var(--color-text);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;transition:all .18s;display:flex}.pq-back-btn:hover{background:var(--color-surface);border-color:var(--color-border-hi)}.pq-hero-title{color:var(--color-text);letter-spacing:-.5px;margin:0;font-family:serif;font-size:1.75rem;font-weight:900}.pq-hero-sub{color:var(--color-text-sub);font-size:.85rem}.pq-hero-stats{border:1px solid var(--color-border);z-index:2;border-radius:16px;gap:0;margin-top:.5rem;display:flex;overflow:hidden}.pq-stat-box{background:var(--color-raised);border-right:1px solid var(--color-border);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:.25rem;padding:.85rem .5rem;display:flex}.pq-stat-box:last-child{border-right:none}.pq-stat-val{color:var(--color-text);font-family:serif;font-size:1.35rem;font-weight:900}.pq-stat-lbl{color:var(--color-text-sub);font-size:.72rem;font-weight:700}.pq-search-bar{z-index:2;background:var(--color-raised);border:1px solid var(--color-border);border-radius:16px;align-items:center;gap:.75rem;padding:.65rem 1rem;transition:border-color .15s;display:flex}.pq-search-bar:focus-within{border-color:var(--color-accent)}.pq-search-input{color:var(--color-text);background:0 0;border:none;outline:none;flex:1;font-size:.9rem}.pq-search-input::placeholder{color:var(--color-text-mute)}.pq-filter-pills{gap:.5rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.pq-empty-state{color:#a8b9d4;text-align:center;background:linear-gradient(145deg,#1f3569eb,#171f3ff5);border:1px solid #4b8cf540;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:.65rem;min-height:280px;padding:2.5rem 1.5rem;display:flex}.pq-empty-icon{color:#9bc6ff;background:#7eb7ff24;border:1px solid #7eb7ff6b;border-radius:18px;place-items:center;width:62px;height:62px;margin-bottom:.25rem;display:grid}.pq-empty-eyebrow{color:#9bc6ff;letter-spacing:.14em;font-size:.68rem;font-weight:800}.pq-empty-state h3{color:#fff;margin:0;font-size:1.15rem}.pq-empty-state p{color:#b3c2d8;max-width:500px;margin:0;font-size:.88rem;line-height:1.6}.pq-empty-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:.65rem;margin-top:.65rem;display:flex}.pq-empty-primary,.pq-empty-secondary{cursor:pointer;border-radius:9px;align-items:center;gap:.45rem;padding:.65rem .9rem;font-size:.8rem;font-weight:800;display:inline-flex}.pq-empty-primary{color:#fff;background:#4b8cf5;border:1px solid #4b8cf5}.pq-empty-secondary{color:#e1ebfb;background:#ffffff12;border:1px solid #fff3}.pq-pill{background:var(--color-raised);border:1px solid var(--color-border);color:var(--color-text-sub);cursor:pointer;white-space:nowrap;border-radius:20px;align-items:center;gap:.35rem;padding:.4rem .85rem;font-size:.78rem;font-weight:700;transition:all .15s;display:flex}.pq-pill:hover{border-color:var(--color-border-hi);color:var(--color-text)}.pq-pill.active{color:#9b7cf4;background:#9b7cf426;border-color:#9b7cf459}.pq-course-section{flex-direction:column;gap:.85rem;margin-bottom:1rem;display:flex}.pq-course-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:.6rem .25rem;display:flex}.pq-course-info{align-items:center;gap:.75rem;display:flex}.pq-course-icon{color:#ee6868;background:#ee68681f;border:1px solid #ee686840;border-radius:12px;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.pq-course-title{color:var(--color-text);font-size:1.05rem;font-weight:800}.pq-course-code{color:var(--color-accent);text-transform:uppercase;font-size:.75rem;font-weight:800}.pq-count-badge{background:var(--color-raised);border:1px solid var(--color-border);color:var(--color-text-sub);border-radius:20px;padding:.25rem .65rem;font-size:.72rem;font-weight:800}.pq-card-grid{flex-direction:column;gap:.85rem;display:flex}.pq-card{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:20px;transition:all .2s;position:relative;overflow:hidden}.pq-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-border-hi);transform:translateY(-2px)}.pq-card-accent{background:#ee6868;width:4px;position:absolute;top:0;bottom:0;left:0}.pq-card-inner{flex-direction:column;gap:.85rem;padding:1.25rem 1.25rem 1.25rem 1.5rem;display:flex}.pq-card-top{align-items:flex-start;gap:1rem;display:flex}.pq-card-icon-box{color:#ee6868;background:#ee68681a;border:1px solid #ee686833;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;display:flex}.pq-card-header{flex:1;min-width:0}.pq-card-title{color:var(--color-text);font-size:1.05rem;font-weight:800;line-height:1.3}.pq-card-meta{color:var(--color-text-sub);flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:.35rem;font-size:.75rem;display:flex}.pq-meta-item{align-items:center;gap:.3rem;display:flex}.pq-card-actions{flex-direction:column;gap:.6rem;margin-top:.25rem;display:flex}.pq-primary-row{flex-wrap:wrap;gap:.6rem;display:flex}.pq-btn-primary{color:#fff;cursor:pointer;background:#ee6868;border:none;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.4rem;min-width:140px;height:40px;font-size:.82rem;font-weight:700;transition:all .15s;display:flex;box-shadow:0 3px 10px #ee686840}.pq-btn-primary:hover{transform:translateY(-1px)}.pq-btn-save{background:var(--color-raised);min-width:140px;height:40px;color:var(--color-text);border:1px solid var(--color-border);cursor:pointer;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.4rem;font-size:.82rem;font-weight:700;transition:all .15s;display:flex}.pq-btn-save:hover{border-color:var(--color-border-hi)}.pq-btn-save.saved{color:#3dc99a;background:#3dc99a1f;border-color:#3dc99a}@media (width<=640px){.pq-container{width:100%;max-width:100%;padding-left:.5rem;padding-right:.5rem;overflow-x:hidden}.pq-hero-card{padding:1.25rem 1rem}.pq-hero-title{font-size:1.35rem}.pq-search-bar{box-sizing:border-box;width:100%}.pq-card-inner{padding:1rem}.pq-btn-primary,.pq-btn-save{width:100%;min-width:0}.pq-card-title{font-size:.95rem}}.qf-page{--qf-ink:var(--color-text);--qf-muted:var(--color-text-sub);--qf-accent:var(--color-accent);--qf-accent-hover:var(--color-accent-hover);--qf-soft:var(--color-accent-dim);--qf-line:var(--color-border);--qf-surface:var(--color-surface);--qf-raised:var(--color-raised);--qf-highlight:var(--color-blue,#38bdf8);max-width:1200px;color:var(--qf-ink);font-family:var(--font-sans);gap:1.2rem;margin:0 auto;padding:clamp(1rem,2vw,1.75rem)}.qf-hero{border-radius:var(--radius-md,18px);color:#fff;isolation:isolate;background:linear-gradient(135deg,#181b22 0%,#13161c 100%);justify-content:space-between;align-items:center;gap:1.5rem;min-height:230px;padding:clamp(1.4rem,3vw,2.5rem);display:flex;position:relative;overflow:hidden}.qf-hero:after{content:"";z-index:-1;border:1px solid #dcf0e21f;border-radius:50%;width:440px;height:440px;position:absolute;top:-57%;right:6%;box-shadow:0 0 0 46px #dcf0e209,0 0 0 92px #dcf0e206}.qf-hero-copy{max-width:610px;animation:.45s both qf-enter}.qf-eyebrow,.qf-section-kicker{letter-spacing:1.4px;align-items:center;gap:.45rem;font-size:.68rem;font-weight:800;display:inline-flex}.qf-eyebrow{color:var(--color-blue,#38bdf8)}.qf-hero h1{color:#fff;font-family:var(--font-sans);margin:.8rem 0 .55rem;font-size:2.7rem;font-weight:800;line-height:1.06}.qf-hero h1 span{color:#fbbf24}.qf-hero p{color:#cbd5e1;max-width:510px;margin:0;font-size:.95rem;line-height:1.65}.qf-hero-mark{flex:0 0 190px;place-items:center;width:190px;height:170px;animation:.6s 80ms both qf-enter;display:grid;position:relative}.qf-orbit{border:1px solid #e2f4e747;border-radius:50%;position:absolute;transform:rotate(-25deg)}.qf-orbit-outer{width:170px;height:105px}.qf-orbit-inner{border-color:#e2f4e729;width:138px;height:76px;transform:rotate(32deg)}.qf-mark-card{border:1px solid #ffffff80;border-radius:8px;place-items:center;width:66px;height:78px;display:grid;position:absolute;box-shadow:0 15px 30px #06161438}.qf-mark-back{color:#1d1e22;background:#dfa83c;transform:translate(-25px,-7px)rotate(-12deg)}.qf-mark-front{color:#1d1e22;background:#f4f6fc;transform:translate(20px,8px)rotate(10deg)}.qf-workspace{grid-template-columns:minmax(285px,.78fr) minmax(0,1.45fr);align-items:stretch;gap:1rem;display:grid}.qf-create-panel,.qf-study-panel{border:1px solid var(--qf-line);background:var(--qf-surface);border-radius:var(--radius-md,18px);min-width:0;box-shadow:var(--shadow-sm)}.qf-create-panel{padding:clamp(1rem,2vw,1.4rem)}.qf-panel-heading,.qf-session-title-row{justify-content:space-between;align-items:flex-start;gap:.8rem;display:flex}.qf-section-kicker{color:var(--qf-highlight)}.qf-panel-heading h2,.qf-session-title-row h2{font-family:var(--font-sans);color:var(--qf-ink);margin:.35rem 0 0;font-size:1.25rem;font-weight:800;line-height:1.25}.qf-step-number{color:#94a7a0;font-size:.78rem;font-weight:800}.qf-mode-switch{background:var(--qf-raised);border-radius:8px;grid-template-columns:1fr 1fr;gap:4px;margin:1.2rem 0 1rem;padding:4px;display:grid}.qf-mode-switch button,.qf-source-tabs button{min-width:0;font:inherit;cursor:pointer;border:0}.qf-mode-switch button{color:#64736e;background:0 0;border-radius:6px;justify-content:center;align-items:center;gap:.45rem;min-height:42px;padding:.45rem .55rem;font-size:.8rem;font-weight:700;transition:background .16s,color .16s,box-shadow .16s;display:inline-flex}.qf-mode-switch button.active{background:var(--qf-surface);color:var(--qf-ink);box-shadow:var(--shadow-sm)}.qf-source-tabs{border-bottom:1px solid var(--qf-line);gap:1.1rem;margin-bottom:1rem;display:flex}.qf-source-tabs button{color:#7d8984;background:0 0;border-bottom:2px solid #0000;padding:0 0 .65rem;font-size:.8rem;font-weight:700}.qf-source-tabs button.active{color:var(--qf-highlight);border-color:var(--qf-highlight)}.qf-field-label{color:#475751;flex-direction:column;gap:.48rem;font-size:.76rem;font-weight:700;display:flex}.qf-topic-input,.qf-count-field select,.qf-select-wrap select{border:1px solid var(--qf-line);background:var(--qf-surface);width:100%;min-width:0;height:46px;color:var(--qf-ink);font:500 .85rem var(--font-sans);box-sizing:border-box;border-radius:6px;outline:none;padding:0 .8rem;transition:border-color .16s,box-shadow .16s}.qf-topic-input:focus,.qf-count-field select:focus,.qf-select-wrap:focus-within{border-color:var(--qf-highlight);box-shadow:0 0 0 3px #38bdf81f}.qf-topic-input::placeholder{color:var(--color-text-mute)}.qf-select-wrap{border:1px solid var(--qf-line);color:var(--qf-muted);border-radius:6px;align-items:center;gap:.55rem;padding:0 .7rem;display:flex}.qf-select-wrap select{appearance:none;box-shadow:none;border:0;flex:1;padding:0}.qf-select-wrap select:focus{box-shadow:none}.qf-select-wrap select:disabled{opacity:.8}.qf-field-hint{color:var(--color-text-mute);font-size:.7rem;font-weight:500;line-height:1.45}.qf-options-row{justify-content:space-between;align-items:flex-end;gap:1rem;margin-top:1rem;display:flex}.qf-count-field{width:48%}.qf-count-field select{height:40px}.qf-time-note{color:var(--qf-muted);white-space:nowrap;align-items:center;gap:.35rem;padding-bottom:.65rem;font-size:.72rem;font-weight:600;display:inline-flex}.qf-error{color:#ee6868;background:#ee68681f;border-radius:8px;margin-top:.8rem;padding:.65rem .75rem;font-size:.76rem;line-height:1.45}.qf-generate-button{background:var(--qf-accent);color:#fff;width:100%;min-height:48px;font:800 .84rem var(--font-sans);cursor:pointer;border:0;border-radius:6px;justify-content:center;align-items:center;gap:.55rem;margin-top:1rem;padding:.7rem 1rem;transition:background .16s,transform .16s;display:flex}.qf-generate-button:hover:not(:disabled){background:var(--qf-accent-hover);transform:translateY(-1px)}.qf-generate-button:disabled{opacity:.48;cursor:not-allowed}.qf-spin{animation:1s linear infinite qf-spin}.qf-ai-note{color:var(--color-text-mute);margin:.7rem 0 0;font-size:.68rem;line-height:1.5}.qf-study-panel{min-height:540px;overflow:hidden}.qf-empty-state,.qf-results{text-align:center;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;min-height:540px;padding:2rem;display:flex}.qf-empty-art{background:var(--qf-soft);width:80px;height:80px;color:var(--qf-accent);border-radius:50%;place-items:center;margin-bottom:1.4rem;display:grid;position:relative}.qf-empty-art span{color:#e8692a;background:#e8692a2e;border-radius:50%;place-items:center;width:25px;height:25px;font-size:.8rem;font-weight:800;display:grid;position:absolute;top:-3px;right:0}.qf-empty-state h2,.qf-results h2{color:var(--qf-ink);font:800 1.35rem var(--font-sans);margin:.55rem 0}.qf-empty-state>p,.qf-results>p{max-width:410px;color:var(--qf-muted);margin:0;font-size:.84rem;line-height:1.65}.qf-resume-button{border:1px solid var(--qf-line);background:var(--qf-surface);max-width:100%;min-height:42px;color:var(--qf-ink);font:700 .76rem var(--font-sans);cursor:pointer;overflow-wrap:anywhere;border-radius:8px;align-items:center;gap:.45rem;margin-top:1.2rem;padding:.55rem .75rem;display:inline-flex}.qf-resume-button span{background:var(--qf-soft);color:var(--qf-ink);border-radius:4px;padding:.2rem .35rem;font-size:.64rem}.qf-empty-footer{color:var(--qf-muted);align-items:center;gap:.5rem;margin-top:2.3rem;font-size:.68rem;font-weight:700;display:flex}.qf-empty-footer span{color:var(--qf-highlight);font-size:.65rem}.qf-empty-footer i{background:var(--qf-line);width:18px;height:1px}.qf-session{padding:clamp(1rem,2.4vw,1.7rem);animation:.24s both qf-enter}.qf-session-topline{justify-content:space-between;align-items:center;gap:1rem;display:flex}.qf-back-button{color:var(--qf-muted);font:700 .74rem var(--font-sans);cursor:pointer;background:0 0;border:0;align-items:center;gap:.35rem;padding:.3rem 0;display:inline-flex}.qf-back-button:hover{color:var(--qf-highlight)}.qf-session-count{color:var(--qf-highlight);font:800 .82rem var(--font-sans);align-items:center;gap:.5rem;display:inline-flex}.qf-session-count i{background:var(--qf-line);width:1px;height:15px}.qf-session-title-row{align-items:center;margin:1.35rem 0 .9rem}.qf-session-title-row h2{overflow-wrap:anywhere;max-width:450px;font-size:1.15rem}.qf-session-stat{background:var(--qf-soft);color:var(--qf-ink);border-radius:20px;flex:none;padding:.32rem .55rem;font-size:.66rem;font-weight:800}.qf-progress-track{background:var(--qf-raised);border-radius:10px;width:100%;height:5px;overflow:hidden}.qf-progress-track span{border-radius:inherit;background:#38bdf8;height:100%;transition:width .22s;display:block}.qf-flashcard{border:1px solid var(--qf-line);border-radius:var(--radius-md,18px);background:linear-gradient(145deg, var(--qf-surface), var(--qf-raised));width:100%;min-height:315px;color:var(--qf-ink);box-shadow:var(--shadow-sm);text-align:center;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:1.4rem;margin-top:1.25rem;padding:1.5rem;transition:background .22s,border-color .22s,transform .22s;display:flex;position:relative}.qf-flashcard:hover{border-color:var(--color-border-hi);transform:translateY(-2px)}.qf-flashcard.is-flipped{background:linear-gradient(145deg, var(--qf-raised), var(--qf-surface));border-color:#38bdf8}.qf-card-category{background:var(--qf-soft);color:var(--qf-ink);border-radius:6px;padding:.28rem .55rem;font-size:.67rem;font-weight:800}.qf-card-side{color:var(--qf-muted);letter-spacing:.8px;font-size:.63rem;font-weight:800;position:absolute;top:1rem}.qf-card-side span{color:var(--color-text-mute);font-weight:600}.qf-card-copy{max-width:650px;color:var(--qf-ink);font:700 1.45rem/1.5 var(--font-sans);overflow-wrap:anywhere;white-space:pre-wrap}.qf-flashcard.is-flipped .qf-card-copy{color:var(--color-green)}.qf-card-hint{color:var(--color-text-mute);align-items:center;gap:.35rem;font-size:.7rem;display:inline-flex}.qf-rating-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:.55rem;margin-top:.85rem;display:grid}.qf-rating-row button{cursor:pointer;min-height:58px;font-family:var(--font-sans);border:1px solid #0000;border-radius:8px;flex-direction:column;justify-content:center;gap:.16rem;transition:transform .14s;display:flex}.qf-rating-row button:hover{transform:translateY(-2px)}.qf-rating-row strong{font-size:.78rem}.qf-rating-row span{font-size:.63rem}.qf-rate-again{color:#ee6868;background:#ee68681f;border-color:#ee686847!important}.qf-rate-hard{color:#dfa83c;background:#dfa83c1f;border-color:#dfa83c47!important}.qf-rate-good{color:#3dc99a;background:#3dc99a1f;border-color:#3dc99a47!important}.qf-rate-easy{color:#38bdf8;background:#38bdf81f;border-color:#38bdf847!important}.qf-card-navigation{color:var(--qf-muted);justify-content:center;align-items:center;gap:.8rem;margin-top:.8rem;font-size:.7rem;font-weight:700;display:flex}.qf-icon-button{border:1px solid var(--qf-line);background:var(--qf-surface);width:38px;height:38px;color:var(--qf-ink);cursor:pointer;border-radius:8px;place-items:center;display:grid}.qf-icon-button:hover{background:var(--qf-raised)}.qf-question-block{margin:1.3rem 0 1rem}.qf-question-number{color:var(--color-text-mute);letter-spacing:1px;font-size:.65rem;font-weight:800}.qf-question-block h3{color:var(--qf-ink);font:700 1.08rem/1.5 var(--font-sans);margin:.4rem 0 0}.qf-answer-list{flex-direction:column;gap:.55rem;display:flex}.qf-answer-option{border:1px solid var(--qf-line);background:var(--qf-surface);width:100%;min-height:50px;color:var(--qf-ink);text-align:left;font:500 .8rem/1.45 var(--font-sans);cursor:pointer;border-radius:8px;align-items:center;gap:.7rem;padding:.55rem .75rem;transition:border .15s,background .15s;display:flex}.qf-answer-option:hover:not(:disabled){border-color:var(--color-border-hi);background:var(--qf-raised)}.qf-answer-option.selected{background:#38bdf81a;border-color:#38bdf8}.qf-answer-option.correct{color:#3dc99a;background:#3dc99a1f;border-color:#3dc99a}.qf-answer-option.wrong{color:#ee6868;background:#ee68681f;border-color:#ee6868}.qf-answer-option>span:nth-child(2){flex:1}.qf-answer-option>svg{flex:none}.qf-answer-letter{background:var(--qf-raised);width:27px;height:27px;color:var(--qf-muted);border-radius:6px;flex:0 0 27px;place-items:center;font-size:.7rem;font-weight:800;display:grid}.qf-answer-option.selected .qf-answer-letter{color:#38bdf8;background:#38bdf82e}.qf-explanation{color:var(--qf-ink);background:#dfa83c1a;border-radius:8px;align-items:flex-start;gap:.5rem;margin:.8rem 0 0;padding:.65rem .75rem;font-size:.76rem;line-height:1.5;display:flex}.qf-explanation svg{color:#dfa83c;flex:none;margin-top:1px}.qf-quiz-footer{justify-content:space-between;align-items:center;gap:.8rem;margin-top:1rem;display:flex}.qf-quiz-footer>span{color:var(--qf-muted);align-items:center;gap:.35rem;font-size:.7rem;font-weight:700;display:inline-flex}.qf-next-button{background:var(--qf-accent);color:#fff;min-height:40px;font:800 .74rem var(--font-sans);cursor:pointer;border:0;border-radius:8px;justify-content:center;align-items:center;gap:.4rem;padding:.55rem .8rem;display:inline-flex}.qf-next-button:disabled{opacity:.45;cursor:not-allowed}.qf-next-button:hover:not(:disabled){background:var(--qf-accent-hover)}.qf-results-mark{color:#3dc99a;background:#3dc99a24;border-radius:50%;place-items:center;width:70px;height:70px;margin-bottom:1rem;display:grid}.qf-score{color:var(--qf-highlight);align-items:center;gap:.55rem;margin:1rem 0;display:flex}.qf-score>strong{font:800 3.8rem/1 var(--font-sans)}.qf-score>span{color:var(--qf-muted);flex-direction:column;align-items:flex-start;font-size:.8rem;font-weight:700;display:flex}.qf-score small{margin-top:.15rem;font-size:.65rem;font-weight:500}.qf-retry-button{max-width:210px;margin-top:1.25rem}@keyframes qf-spin{to{transform:rotate(360deg)}}@keyframes qf-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (width<=900px){.qf-workspace{grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr)}.qf-hero-mark{flex-basis:155px;width:155px}.qf-orbit-outer{width:145px}}@media (width<=700px){.qf-page{gap:.85rem;padding:.85rem}.qf-hero{min-height:190px;padding:1.3rem}.qf-hero-mark{transform-origin:100%;flex-basis:115px;width:115px;height:130px;margin-left:-1rem;transform:scale(.78)}.qf-workspace{grid-template-columns:minmax(0,1fr);gap:.85rem}.qf-study-panel{min-height:430px}.qf-empty-state,.qf-results{min-height:430px;padding:1.5rem}.qf-session{padding:1rem}.qf-flashcard{min-height:280px;padding:1.3rem 1rem}}@media (width<=440px){.qf-page{padding:.65rem}.qf-hero{min-height:0;padding:1.15rem}.qf-hero-mark{display:none}.qf-hero h1{font-size:1.9rem}.qf-hero p{font-size:.83rem}.qf-create-panel{padding:.95rem}.qf-study-panel{min-height:390px}.qf-empty-state,.qf-results{min-height:390px;padding:1.1rem}.qf-empty-footer{gap:.32rem;margin-top:1.6rem;font-size:.61rem}.qf-empty-footer i{width:10px}.qf-mode-switch button{gap:.3rem;padding-inline:.3rem;font-size:.74rem}.qf-rating-row{grid-template-columns:repeat(2,minmax(0,1fr))}.qf-session-title-row{flex-direction:column;align-items:flex-start;gap:.55rem}.qf-session-title-row h2{font-size:1rem}.qf-session-stat{font-size:.63rem}.qf-flashcard{min-height:255px}.qf-quiz-footer{align-items:flex-end}.qf-quiz-footer>span{max-width:40%;line-height:1.35}}@media (prefers-reduced-motion:reduce){.qf-hero-copy,.qf-hero-mark,.qf-session{animation:none}.qf-spin{animation-duration:2s}.qf-flashcard,.qf-progress-track span,.qf-generate-button,.qf-mode-switch button{transition:none}}.viewer-container{box-sizing:border-box;background:var(--color-bg,#0f172a);color:#f8fafc;background:#0b0d12;flex-direction:column;width:100%;max-width:100vw;height:100vh;display:flex;overflow:hidden}.viewer-header{z-index:2;background:#111318f5;border-bottom:1px solid #ffffff14;align-items:center;gap:1rem;min-height:64px;padding:.7rem 1.25rem;display:flex;box-shadow:0 8px 24px #0000002e}.viewer-back,.viewer-header-btn{color:#aab2c4;cursor:pointer;background:#171a22;border:1px solid #282e3c;border-radius:10px;flex:none;justify-content:center;align-items:center;gap:.45rem;min-height:36px;transition:color .18s,background .18s,border-color .18s;display:inline-flex}.viewer-back{padding:0 .75rem;font-size:.78rem;font-weight:700}.viewer-header-btn{width:36px;padding:0}.viewer-back:hover,.viewer-header-btn:hover,.viewer-header-btn.active{color:#fff;background:#242a36;border-color:#3a4354}.viewer-header-btn.active{color:#f0c060}.viewer-title{color:#f4f6fb;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;margin:0;font-size:.98rem;font-weight:800;overflow:hidden}.viewer-actions{align-items:center;gap:.5rem;display:flex}.viewer-frame-container{background:#0b0d12}.video-viewer-stage{background:radial-gradient(circle at 50% 35%,#38bdf814,#0000 48%),#0b0d12;padding:clamp(1rem,4vw,3rem)}.video-embed-frame,.custom-video-player{border:1px solid #2a3140;box-shadow:0 24px 70px #00000073}.secure-reader{-webkit-user-select:none;user-select:none}.viewer-app-header{box-sizing:border-box;background:var(--color-surface,#1e293b);border-bottom:1px solid var(--color-border,#ffffff14);z-index:30;flex-shrink:0;justify-content:space-between;align-items:center;width:100%;max-width:100%;height:54px;min-height:54px;padding:0 .85rem;display:flex;position:relative}.vhd-left{flex:1;align-items:center;gap:.6rem;min-width:0;display:flex}.vhd-back-btn{width:34px;height:34px;color:var(--color-text,#f8fafc);background:var(--color-raised,#ffffff0f);border:1px solid var(--color-border,#ffffff14);cursor:pointer;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex}.vhd-back-btn:hover{background:var(--color-orange-dim,#4b8cf526);color:var(--color-accent,#4b8cf5)}.vhd-title-wrap{flex:1;align-items:center;gap:.5rem;min-width:0;display:flex}.vhd-badge{color:var(--color-blue,#4b8cf5);letter-spacing:.5px;white-space:nowrap;background:#4b8cf51f;border-radius:6px;flex-shrink:0;padding:.2rem .5rem;font-size:.68rem;font-weight:800}.vhd-title{color:var(--color-text,#f8fafc);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:.9rem;font-weight:800;overflow:hidden}.vhd-right{flex-shrink:0;align-items:center;gap:.5rem;display:flex}.vhd-action-btn{width:34px;height:34px;color:var(--color-text-sub,#94a3b8);background:var(--color-raised,#ffffff0f);border:1px solid var(--color-border,#ffffff14);cursor:pointer;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex}.vhd-action-btn:hover{color:var(--color-text,#fff);background:#ffffff1a}.vhd-ai-pill{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:20px;flex-shrink:0;align-items:center;gap:.35rem;padding:.38rem .8rem;font-size:.78rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 2px 10px #6366f14d}.vhd-ai-pill:hover{transform:translateY(-1px);box-shadow:0 4px 14px #6366f173}.vhd-ai-pill.active{background:linear-gradient(135deg,#4f46e5,#7c3aed)}.vhd-search-bar{background:var(--color-raised,#ffffff0f);border:1px solid var(--color-accent,#4b8cf5);border-radius:12px;flex:1;align-items:center;gap:.4rem;max-width:460px;padding:.25rem .5rem;display:flex}.vhd-search-icon{color:var(--color-text-sub,#94a3b8);flex-shrink:0}.vhd-search-bar input{color:var(--color-text,#f8fafc);background:0 0;border:none;outline:none;width:100%;font-family:inherit;font-size:.82rem}.vhd-search-count{color:var(--color-accent,#4b8cf5);white-space:nowrap;background:#4b8cf526;border-radius:6px;padding:.12rem .4rem;font-size:.7rem;font-weight:800}.vhd-search-step-btn,.vhd-search-close-btn{color:var(--color-text-sub,#94a3b8);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:.2rem;display:flex}.vhd-search-step-btn:hover,.vhd-search-close-btn:hover{color:var(--color-text,#fff);background:#ffffff1a}.viewer-body{box-sizing:border-box;flex:1;width:100%;max-width:100%;min-height:0;display:flex;overflow:hidden}.viewer-frame-container{background:var(--color-bg,#0f172a);box-sizing:border-box;flex:1;width:100%;min-width:0;max-width:100%;position:relative;overflow:hidden}.pdf-canvas-reader{box-sizing:border-box;background:var(--color-bg,#0f172a);-webkit-user-select:none;user-select:none;scroll-behavior:smooth;flex-direction:column;justify-content:flex-start;align-items:center;gap:1.25rem;width:100%;max-width:100%;height:100%;padding:1.25rem .5rem 3rem;transition:background .3s;display:flex;overflow:auto}.pdf-canvas-reader.night-mode{background:#0f172a}.pdf-canvas-reader.night-mode .pdf-canvas-page canvas{filter:invert(.9)hue-rotate(180deg)}.pdf-canvas-page{box-sizing:border-box;justify-content:center;align-items:center;width:100%;max-width:100%;margin:0 auto;display:flex;position:relative}.pdf-canvas-page canvas{background:#fff;border-radius:4px;max-width:100%;height:auto;display:block;box-shadow:0 10px 30px #00000040,0 2px 6px #00000026;margin:0 auto!important}.pdf-page-skeleton{color:#64748b;background:#fff9;border-radius:4px;justify-content:center;align-items:center;width:100%;min-height:680px;font-size:.9rem;font-weight:700;display:flex}.vft-scrubber-bar{box-sizing:border-box;background:var(--color-surface,#1e293b);border-top:1px solid var(--color-border,#ffffff14);z-index:25;flex-shrink:0;align-items:center;width:100%;max-width:100%;height:44px;padding:0 .5rem;display:flex;overflow-x:auto}.vft-scrubber-bar::-webkit-scrollbar{height:0}.vft-scrubber-track{align-items:center;gap:.35rem;padding:0 .5rem;display:flex}.vft-page-chip{background:var(--color-raised,#ffffff0f);border:1px solid var(--color-border,#ffffff14);min-width:32px;height:28px;color:var(--color-text-sub,#94a3b8);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;padding:0 .5rem;font-size:.78rem;font-weight:700;transition:all .15s;display:flex}.vft-page-chip:hover{color:var(--color-text,#fff);background:#ffffff1f}.vft-page-chip.active{background:var(--color-accent,#4b8cf5);color:#fff;border-color:var(--color-accent,#4b8cf5);font-weight:900;box-shadow:0 2px 8px #4b8cf54d}.vft-docked-toolbar{box-sizing:border-box;background:var(--color-surface,#1e293b);border-top:1px solid var(--color-border,#ffffff14);z-index:30;flex-shrink:0;justify-content:center;align-items:center;gap:.75rem;width:100%;max-width:100%;height:52px;min-height:52px;padding:0 .75rem;display:flex;overflow-x:auto}.vft-docked-toolbar::-webkit-scrollbar{height:0}.vft-mobile-toolbar,.vft-more-backdrop,.vft-more-sheet{display:none}.vft-group{flex-shrink:0;align-items:center;gap:.35rem;display:flex}.vft-sep{background:var(--color-border,#ffffff1a);flex-shrink:0;width:1px;height:24px}.vft-icon-btn,.vft-feature-btn{width:34px;height:34px;color:var(--color-text-sub,#94a3b8);background:var(--color-raised,#ffffff0f);border:1px solid var(--color-border,#ffffff14);cursor:pointer;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex}.vft-icon-btn:hover:not(:disabled),.vft-feature-btn:hover:not(:disabled){color:var(--color-text,#fff);background:#ffffff1f}.vft-icon-btn:disabled{opacity:.3;cursor:not-allowed}.vft-feature-btn.active{color:var(--color-accent,#4b8cf5);background:#4b8cf526;border-color:#4b8cf54d}.vft-label-val{color:var(--color-text,#f8fafc);text-align:center;min-width:40px;font-size:.8rem;font-weight:800}.vft-page-pill{background:var(--color-raised,#ffffff0f);border:1px solid var(--color-border,#ffffff14);color:var(--color-text,#f8fafc);cursor:pointer;white-space:nowrap;border-radius:10px;padding:.35rem .7rem;font-size:.8rem;font-weight:800;transition:all .15s}.vft-page-pill:hover{border-color:var(--color-accent,#4b8cf5);background:#ffffff1f}.viewer-modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;background:#000000a6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.viewer-modal-card{background:var(--color-surface,#1e293b);border:1px solid var(--color-border,#ffffff1a);border-radius:20px;flex-direction:column;gap:.8rem;width:320px;padding:1.75rem;display:flex;box-shadow:0 20px 40px #00000080}.viewer-modal-card h3{color:var(--color-text,#f8fafc);margin:0;font-size:1.1rem;font-weight:800}.viewer-modal-card p{color:var(--color-text-sub,#94a3b8);margin:0;font-size:.8rem}.viewer-modal-card input{background:var(--color-raised,#0003);border:1px solid var(--color-border,#ffffff26);color:var(--color-text,#f8fafc);text-align:center;border-radius:12px;outline:none;padding:.65rem 1rem;font-size:1rem;font-weight:800}.viewer-modal-actions{justify-content:flex-end;align-items:center;gap:.6rem;margin-top:.4rem;display:flex}.vmodal-cancel{color:var(--color-text-sub,#94a3b8);cursor:pointer;background:0 0;border:none;border-radius:10px;padding:.5rem 1rem;font-size:.85rem;font-weight:700}.vmodal-go{background:var(--color-accent,#4b8cf5);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:.55rem 1.2rem;font-size:.85rem;font-weight:800}.reader-ai-panel{border-left:1px solid var(--color-border,#ffffff14);background:var(--color-surface,#1e293b);flex-direction:column;flex-shrink:0;width:380px;min-width:340px;max-width:42vw;min-height:0;transition:width .2s,min-width .2s;display:flex;overflow:hidden}.reader-ai-panel.closed{pointer-events:none;border-left-color:#0000;width:0;min-width:0;overflow:hidden;display:none!important}.reader-ai-panel.closed>*{visibility:hidden}.reader-panel-scrim{display:none}.reader-notes-drawer{background:var(--color-surface,#1e293b);border-left:1px solid var(--color-border,#ffffff14);z-index:15;flex-direction:column;flex-shrink:0;width:340px;min-width:300px;max-width:38vw;min-height:0;transition:width .25s,min-width .25s,transform .25s;display:flex;overflow:hidden}.reader-notes-drawer.closed{pointer-events:none;border-left-color:#0000;width:0;min-width:0;overflow:hidden;display:none!important}.reader-notes-drawer.closed>*{visibility:hidden}.notes-drawer-header{background:var(--color-raised,#ffffff0a);border-bottom:1px solid var(--color-border,#ffffff12);justify-content:space-between;align-items:center;padding:.9rem 1.1rem;display:flex}.notes-drawer-title{color:var(--color-text,#f8fafc);align-items:center;gap:.5rem;font-size:.9rem;font-weight:700;display:flex}.notes-header-actions{align-items:center;gap:.3rem;display:flex}.notes-add-btn{background:var(--color-accent,#4b8cf5);color:#fff;cursor:pointer;border:none;border-radius:7px;align-items:center;gap:.3rem;padding:.35rem .7rem;font-size:.75rem;font-weight:700;display:flex}.notes-close-btn{width:28px;height:28px;color:var(--color-text-sub,#94a3b8);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;display:flex}.notes-editor{background:var(--color-raised,#0003);border-bottom:1px solid var(--color-border,#ffffff12);flex-direction:column;gap:.6rem;padding:1rem;display:flex}.notes-input-title{color:var(--color-text,#f8fafc);background:#ffffff0f;border:1px solid #ffffff1a;border-radius:8px;outline:none;padding:.5rem .75rem;font-size:.85rem;font-weight:600}.notes-input-body{color:var(--color-text,#e5e7eb);resize:vertical;background:#ffffff0f;border:1px solid #ffffff1a;border-radius:8px;outline:none;min-height:80px;padding:.55rem .75rem;font-family:inherit;font-size:.82rem;line-height:1.5}.notes-editor-footer{justify-content:flex-end;align-items:center;gap:.5rem;display:flex}.notes-save-btn{background:var(--color-emerald,#3dc99a);color:#fff;cursor:pointer;border:none;border-radius:7px;padding:.4rem .9rem;font-size:.78rem;font-weight:800}.notes-cancel-btn{color:var(--color-text-sub,#94a3b8);cursor:pointer;background:0 0;border:none;border-radius:7px;padding:.4rem .75rem;font-size:.78rem}.notes-list{flex-direction:column;flex:1;gap:.6rem;padding:.8rem;display:flex;overflow-y:auto}.notes-empty{text-align:center;color:var(--color-text-sub,#94a3b8);margin:auto;padding:2rem 1rem;font-size:.82rem;line-height:1.6}.note-card{background:var(--color-raised,#ffffff0a);border:1px solid var(--color-border,#ffffff12);border-radius:10px;flex-direction:column;gap:.4rem;padding:.8rem .9rem;display:flex}.note-card-header{justify-content:space-between;align-items:center;display:flex}.note-card-title{color:var(--color-text,#f8fafc);font-size:.85rem;font-weight:700}.note-action-btn{width:24px;height:24px;color:var(--color-red,#ef4444);cursor:pointer;background:0 0;border:none;border-radius:5px;justify-content:center;align-items:center;display:flex}.note-card-body{color:var(--color-text-sub,#cbd5e1);white-space:pre-wrap;font-size:.8rem;line-height:1.5}.note-card-date{color:var(--color-text-mute,#64748b);margin-top:.2rem;font-size:.68rem}.video-viewer-stage{background:radial-gradient(circle at center, #4b8cf51f, transparent 62%), var(--color-bg,#0f172a);justify-content:center;align-items:center;width:100%;height:100%;min-height:0;padding:clamp(1rem,4vw,3rem);display:flex}.video-embed-frame,.video-player{aspect-ratio:16/9;border:1px solid var(--color-border,#ffffff14);background:#000;border-radius:14px;width:min(100%,1100px);max-height:100%;display:block;box-shadow:0 20px 60px #00000059}.video-embed-frame{height:auto}.video-player{object-fit:contain;height:auto}.custom-video-player{aspect-ratio:16/9;background:#000;border-radius:14px;width:min(100%,1100px);position:relative;overflow:hidden;box-shadow:0 20px 60px #00000059}.custom-video-player .video-player{width:100%;height:100%;box-shadow:none;border:0;border-radius:0}.youtube-api-frame,.youtube-api-frame iframe{border:0;width:100%;height:100%;display:block}.youtube-player-error{z-index:1;color:#d7dcea;text-align:center;background:#0b0d12f0;flex-direction:column;justify-content:center;align-items:center;gap:.45rem;padding:1.5rem;display:flex;position:absolute;inset:0}.youtube-player-error strong{color:#fff;font-size:1rem}.youtube-player-error span{color:#9099ab;font-size:.78rem}.youtube-player-error a{color:#fff;background:#ec4899;border-radius:8px;margin-top:.5rem;padding:.5rem .75rem;font-size:.75rem;font-weight:800;text-decoration:none}.custom-video-controls button:disabled{cursor:not-allowed;opacity:.45}.custom-video-controls{color:#fff;background:linear-gradient(#0000,#000000e0);align-items:center;gap:.65rem;padding:2.5rem 1rem .8rem;display:flex;position:absolute;bottom:0;left:0;right:0}.custom-video-controls button{color:#fff;cursor:pointer;background:#ffffff1f;border:1px solid #ffffff2e;border-radius:8px;flex:none;justify-content:center;align-items:center;width:30px;height:30px;padding:0;display:inline-flex}.custom-video-controls button:hover{background:#ffffff3d}.custom-video-controls input[type=range]{width:100%;min-width:40px;accent-color:var(--color-accent,#4b8cf5);cursor:pointer}.video-time{color:#fffc;font-variant-numeric:tabular-nums;flex:none;font-size:.7rem}.custom-video-title{color:#ffffffe6;text-overflow:ellipsis;white-space:nowrap;text-shadow:0 1px 4px #000;font-size:.78rem;font-weight:700;position:absolute;top:.85rem;left:1rem;right:1rem;overflow:hidden}.viewer-loading{color:var(--color-text-sub,#94a3b8);background:var(--color-bg,#0f172a);flex-direction:column;justify-content:center;align-items:center;gap:1rem;display:flex;position:absolute;inset:0}.viewer-error{text-align:center;background:var(--color-bg,#0f172a);min-height:100vh;color:var(--color-text,#f8fafc);flex-direction:column;justify-content:center;align-items:center;gap:.75rem;padding:2rem;display:flex}.premium-lockoverlay{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#0f172ad9;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:absolute;inset:0}.lockoverlay-card{background:var(--color-surface,#1e293b);border:1px solid var(--color-border,#ffffff1a);text-align:center;border-radius:24px;flex-direction:column;align-items:center;gap:1.25rem;width:100%;max-width:420px;padding:2.5rem 2rem;display:flex;box-shadow:0 24px 60px #0009}.lockoverlay-icon{color:#f59e0b;background:#f59e0b1f;border:1px solid #f59e0b33;border-radius:18px;justify-content:center;align-items:center;width:64px;height:64px;display:flex}.upgrade-btn-premium{color:#000;cursor:pointer;background:linear-gradient(135deg,#f59e0b,#d97706);border:none;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;width:100%;padding:.9rem;font-size:.92rem;font-weight:800;display:flex}.link-back-btn{color:var(--color-text-sub,#94a3b8);cursor:pointer;background:0 0;border:none;font-size:.88rem;font-weight:600}@media (width<=640px){.viewer-body{isolation:isolate;position:relative}.reader-panel-scrim{z-index:20;background:#04070c6b;border:0;width:100%;height:100%;padding:0;display:block;position:absolute;inset:0}.reader-ai-panel:not(.closed){z-index:21;border-left:1px solid var(--color-border-hi,#ffffff29);width:min(90vw,380px);min-width:0;max-width:calc(100% - 48px);position:absolute;inset-block:0;inset-inline-end:0;box-shadow:-16px 0 40px #00000061}.viewer-header{gap:.55rem;min-height:56px;padding:.6rem .7rem}.viewer-back{width:36px;padding:0}.viewer-back span{display:none}.viewer-title{font-size:.85rem}.viewer-actions{gap:.35rem}.vft-scrubber-bar,.vft-docked-toolbar{display:none}.vft-mobile-toolbar{z-index:60;width:100%;min-height:calc(58px + env(safe-area-inset-bottom,0px));box-sizing:border-box;padding:.45rem .65rem calc(.45rem + env(safe-area-inset-bottom,0px));border-top:1px solid var(--color-border,#ffffff14);background:var(--color-surface,#1e293b);flex:none;align-items:center;gap:.45rem;display:flex;position:relative}.vft-mobile-nav-btn,.vft-mobile-page-btn,.vft-mobile-tools-btn{border:1px solid var(--color-border,#ffffff14);background:var(--color-raised,#ffffff0f);height:42px;color:var(--color-text,#f8fafc);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:.3rem;display:inline-flex}.vft-mobile-nav-btn{flex:0 0 42px;width:42px}.vft-mobile-nav-btn:disabled{opacity:.35;cursor:not-allowed}.vft-mobile-page-btn{flex:1;min-width:0;font-size:.82rem;font-weight:800}.vft-mobile-tools-btn{min-width:68px;color:var(--color-text-sub,#94a3b8);padding:0 .65rem;font-size:.7rem;font-weight:700}.vft-mobile-tools-btn.active{color:var(--color-text,#fff);border-color:var(--color-border-hi)}.vft-more-backdrop{z-index:80;inset:0 0 calc(58px + env(safe-area-inset-bottom,0px));background:#0000003d;border:0;width:100%;padding:0;display:block;position:fixed}.vft-more-sheet{z-index:81;right:.65rem;bottom:calc(64px + env(safe-area-inset-bottom,0px));border:1px solid var(--color-border-hi,#ffffff29);background:var(--color-surface,#1e293b);border-radius:14px;max-width:420px;margin:0 auto;padding:.85rem;display:block;position:fixed;left:.65rem;box-shadow:0 16px 42px #00000061}.vft-more-sheet-heading,.vft-more-zoom,.vft-more-zoom>div{align-items:center;display:flex}.vft-more-sheet-heading{color:var(--color-text,#f8fafc);justify-content:space-between;margin-bottom:.65rem;font-size:.86rem}.vft-more-close{width:34px;height:34px;color:var(--color-text-sub,#94a3b8);background:0 0;border:0;border-radius:8px;place-items:center;display:grid}.vft-more-zoom{border-bottom:1px solid var(--color-border,#ffffff14);min-height:46px;color:var(--color-text-sub,#94a3b8);justify-content:space-between;padding:0 .1rem .65rem;font-size:.76rem;font-weight:700}.vft-more-zoom>div{gap:.7rem}.vft-more-zoom strong{min-width:42px;color:var(--color-text,#f8fafc);text-align:center;font-size:.78rem}.vft-more-tools-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;padding-top:.7rem;display:grid}.vft-more-tool{border:1px solid var(--color-border,#ffffff14);background:var(--color-raised,#ffffff0f);min-width:0;min-height:44px;color:var(--color-text-sub,#94a3b8);text-align:left;border-radius:9px;align-items:center;gap:.5rem;padding:.55rem .6rem;font-size:.72rem;font-weight:650;display:flex}.vft-more-tool.active{color:var(--color-blue,#38bdf8);border-color:var(--color-border-hi)}.vft-more-tool span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.vft-sep,.vhd-badge{display:none}.vhd-title{font-size:.82rem}.video-viewer-stage{padding:.75rem}.video-embed-frame,.video-player,.custom-video-player{border-radius:9px}.custom-video-controls{gap:.35rem;padding:2rem .55rem .55rem}.custom-video-controls button{width:28px;height:28px}.video-time{font-size:.62rem}}.viewer-title-group{flex:1;align-items:center;gap:.65rem;min-width:0;display:flex}.viewer-type-badge{color:#ff78ae;letter-spacing:.08em;background:#ec489921;border:1px solid #ec48993d;border-radius:6px;flex:none;padding:.28rem .5rem;font-size:.62rem;font-weight:850}.viewer-video-container{scrollbar-color:#343b4a transparent;overflow:hidden auto}.viewer-video-container .video-viewer-stage{height:auto;min-height:min(76vh,760px)}.video-details-panel{border-top:1px solid #ffffff17;width:min(100% - 2rem,1100px);margin:0 auto 2rem;padding:1.2rem .25rem 0}.video-details-heading{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.video-details-kicker{color:#ff78ae;letter-spacing:.14em;margin-bottom:.35rem;font-size:.65rem;font-weight:850}.video-details-heading h2{color:#f5f7fb;max-width:760px;font-size:clamp(1.1rem,2vw,1.45rem);line-height:1.25}.video-save-action{color:#b5bdcc;cursor:pointer;background:#171a22;border:1px solid #2a3140;border-radius:9px;flex:none;align-items:center;gap:.4rem;padding:.55rem .8rem;font-size:.75rem;font-weight:750;display:inline-flex}.video-save-action.active,.video-save-action:hover{color:#ff78ae;border-color:#ec489966}.video-details-meta{color:#7f899c;flex-wrap:wrap;align-items:center;gap:.55rem;margin-top:.75rem;font-size:.75rem;display:flex}.video-details-dot{background:#586174;border-radius:50%;width:3px;height:3px}.related-videos-section{width:min(100% - 2rem,1100px);margin:0 auto 2.5rem}.related-videos-heading{color:#7f899c;justify-content:space-between;align-items:center;margin-bottom:.9rem;font-size:.75rem;display:flex}.related-videos-heading>div{align-items:center;gap:.55rem;display:flex}.related-videos-heading h2{color:#f1f4fa;font-size:1rem;font-weight:800}.related-heading-line{background:#ec4899;border-radius:3px;width:24px;height:3px}.related-videos-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;display:grid}.related-video-card{text-align:left;min-width:0;color:inherit;cursor:pointer;background:#12151c;border:1px solid #252c39;border-radius:13px;flex-direction:column;padding:0;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;overflow:hidden}.related-video-card:hover{border-color:#ec489985;transform:translateY(-3px);box-shadow:0 12px 28px #00000047}.related-video-thumbnail{aspect-ratio:16/9;background:linear-gradient(135deg,#222a39,#42223a);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.related-video-thumbnail img{object-fit:cover;width:100%;height:100%}.related-upload-thumb{color:#ff78ae;background:#ec489929;border:1px solid #ec489959;border-radius:50%;justify-content:center;align-items:center;width:46px;height:46px;display:flex}.related-play-overlay{color:#fff;background:#ec4899;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;display:flex;position:absolute;bottom:.55rem;right:.55rem}.related-premium-label{color:#ffd37b;letter-spacing:.08em;background:#0f1117d1;border:1px solid #ffd37b4d;border-radius:5px;padding:.25rem .4rem;font-size:.58rem;font-weight:850;position:absolute;top:.55rem;left:.55rem}.related-video-copy{flex-direction:column;gap:.28rem;padding:.8rem;display:flex}.related-video-copy strong{color:#f3f5f9;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;font-size:.82rem;line-height:1.35;display:-webkit-box;overflow:hidden}.related-video-copy>span,.related-video-copy small{color:#8791a4;text-overflow:ellipsis;white-space:nowrap;font-size:.7rem;overflow:hidden}.related-video-copy small{color:#626d80;align-items:center;gap:.3rem;display:inline-flex}@media (width<=640px){.viewer-title-group{gap:.4rem}.viewer-type-badge{display:none}.viewer-video-container .video-viewer-stage{min-height:0}.video-details-panel{width:calc(100% - 1.5rem);margin-bottom:1.5rem}.video-details-heading{flex-direction:column}.video-save-action{justify-content:center;width:100%}.related-videos-section{width:calc(100% - 1.5rem);margin-bottom:1.5rem}.related-videos-grid{scrollbar-width:thin;gap:.75rem;padding-bottom:.35rem;display:flex;overflow-x:auto}.related-video-card{flex:0 0 min(78vw,280px)}}.sol-container{flex-direction:column;gap:1.5rem;max-width:1150px;margin:0 auto;padding-bottom:4rem;display:flex}.sol-hero-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-direction:column;gap:1.25rem;padding:1.5rem 1.75rem;display:flex;position:relative;overflow:hidden}.sol-hero-body{z-index:2;flex-direction:column;gap:.35rem;display:flex}.sol-title-row{align-items:center;gap:.75rem;display:flex}.sol-back-btn{background:var(--color-raised);border:1px solid var(--color-border);width:38px;height:38px;color:var(--color-text);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;transition:all .18s;display:flex}.sol-back-btn:hover{background:var(--color-surface);border-color:var(--color-border-hi)}.sol-hero-title{color:var(--color-text);letter-spacing:-.5px;margin:0;font-family:serif;font-size:1.75rem;font-weight:900}.sol-hero-sub{color:var(--color-text-sub);font-size:.85rem}.sol-search-bar{z-index:2;background:var(--color-raised);border:1px solid var(--color-border);border-radius:16px;align-items:center;gap:.75rem;padding:.65rem 1rem;transition:border-color .15s;display:flex}.sol-search-bar:focus-within{border-color:var(--color-accent)}.sol-search-input{color:var(--color-text);background:0 0;border:none;outline:none;flex:1;font-size:.9rem}.sol-search-input::placeholder{color:var(--color-text-mute)}.sol-filter-pills{gap:.5rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.sol-pill{background:var(--color-raised);border:1px solid var(--color-border);color:var(--color-text-sub);cursor:pointer;white-space:nowrap;border-radius:20px;align-items:center;gap:.35rem;padding:.4rem .85rem;font-size:.78rem;font-weight:700;transition:all .15s;display:flex}.sol-pill:hover{border-color:var(--color-border-hi);color:var(--color-text)}.sol-pill.active{color:#4b8cf5;background:#4b8cf524;border-color:#4b8cf54d}.sol-materials-list{flex-direction:column;gap:.85rem;display:flex}.sol-mat-card{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:20px;transition:all .2s;position:relative;overflow:hidden}.sol-mat-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-border-hi);transform:translateY(-2px)}.sol-mat-accent{background:#4b8cf5;width:4px;position:absolute;top:0;bottom:0;left:0}.sol-official-badge{z-index:2;background:var(--color-accent);color:#fff;border-bottom-left-radius:12px;align-items:center;gap:.3rem;padding:.3rem .75rem;font-size:.65rem;font-weight:800;display:flex;position:absolute;top:0;right:0}.sol-mat-inner{flex-direction:column;gap:.85rem;padding:1.25rem 1.25rem 1.25rem 1.5rem;display:flex}.sol-mat-top{align-items:flex-start;gap:1rem;display:flex}.sol-mat-icon-box{background:#4b8cf51a;border:1px solid #4b8cf533;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:54px;height:54px;display:flex}.sol-mat-icon{color:#4b8cf5}.sol-mat-header{flex:1;min-width:0}.sol-mat-course{color:#4b8cf5;text-transform:uppercase;letter-spacing:.5px;font-size:.72rem;font-weight:800}.sol-mat-title{color:var(--color-text);margin-top:.15rem;font-size:1.05rem;font-weight:800;line-height:1.3}.sol-mat-meta-row{color:var(--color-text-sub);flex-wrap:wrap;align-items:center;gap:.85rem;margin-top:.4rem;font-size:.75rem;display:flex}.sol-mat-meta-item{align-items:center;gap:.3rem;display:flex}.sol-stat-bar{border-top:1px solid var(--color-border);flex-wrap:wrap;align-items:center;gap:.6rem;padding-top:.75rem;display:flex}.sol-type-chip{color:#4b8cf5;background:#4b8cf51a;border:1px solid #4b8cf533;border-radius:8px;margin-left:auto;padding:.2rem .6rem;font-size:.7rem;font-weight:800}.sol-mat-actions{flex-direction:column;gap:.6rem;margin-top:.25rem;display:flex}.sol-primary-row{flex-wrap:wrap;gap:.6rem;display:flex}.sol-btn-primary{color:#fff;cursor:pointer;background:#4b8cf5;border:none;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.4rem;min-width:140px;height:40px;font-size:.82rem;font-weight:700;transition:all .15s;display:flex;box-shadow:0 3px 10px #4b8cf540}.sol-btn-primary:hover{transform:translateY(-1px)}.sol-btn-save{background:var(--color-raised);min-width:140px;height:40px;color:var(--color-text);border:1px solid var(--color-border);cursor:pointer;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.4rem;font-size:.82rem;font-weight:700;transition:all .15s;display:flex}.sol-btn-save:hover{border-color:var(--color-border-hi)}.sol-btn-save.saved{color:#3dc99a;background:#3dc99a1f;border-color:#3dc99a}@media (width<=640px){.sol-container{width:100%;max-width:100%;padding-left:.5rem;padding-right:.5rem;overflow-x:hidden}.sol-hero-card{padding:1.25rem 1rem}.sol-hero-title{font-size:1.35rem}.sol-search-bar{box-sizing:border-box;width:100%}.sol-mat-inner{padding:1rem}.sol-btn-primary,.sol-btn-save{width:100%;min-width:0}.sol-mat-title{font-size:.95rem}}.study-group-page{color:#233845;min-height:100%;padding:28px 34px 56px}.study-group-hero{background:linear-gradient(135deg,#f5efe6,#edf7f3);border:1px solid #e5ddd1;border-radius:18px;justify-content:space-between;gap:28px;padding:30px;display:flex}.study-group-eyebrow,.study-group-kicker{color:#788477;letter-spacing:.13em;font-size:11px;font-weight:800}.study-group-hero h1{letter-spacing:-.04em;margin:10px 0 7px;font-size:34px}.study-group-hero p{color:#6f7f80;max-width:590px;margin:0;line-height:1.6}.study-group-hero-actions{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.study-group-primary,.study-group-secondary,.study-group-create{cursor:pointer;border:0;border-radius:9px;align-items:center;gap:7px;padding:10px 14px;font-weight:700;display:inline-flex}.study-group-primary{color:#fff;background:#18564e}.study-group-secondary{color:#395c59;background:#fff;border:1px solid #d8e4df}.study-group-hero-art{color:#18564e;flex-direction:column;justify-content:center;align-items:center;gap:9px;min-width:150px;display:flex}.study-group-hero-art span{font-size:12px;font-weight:700}.study-group-toolbar{justify-content:space-between;align-items:end;gap:18px;margin:25px 0 16px;display:flex}.study-group-toolbar h2{margin:6px 0 0;font-size:21px}.study-group-toolbar-actions{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.study-group-search{color:#78908a;background:#fff;border:1px solid #dfe7e4;border-radius:9px;align-items:center;gap:8px;width:220px;padding:9px 11px;display:flex}.study-group-search input{background:0 0;border:0;outline:0;width:100%;font-size:13px}.study-group-course-filter{color:#435c60;background:#fff;border:1px solid #dfe7e4;border-radius:9px;padding:9px 11px;font-size:13px}.study-group-create{color:#286450;background:#e9f4ee}.study-group-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;display:grid}.study-group-card{background:#fff;border:1px solid #e2e9e7;border-radius:14px;padding:20px}.study-group-card-top{justify-content:space-between;align-items:center;display:flex}.study-group-icon{border-radius:11px;place-items:center;width:40px;height:40px;display:grid}.study-group-icon.green{color:#3b8060;background:#e8f5ed}.study-group-code{color:#8b9999;letter-spacing:.1em;font-size:11px;font-weight:800}.study-group-card h3{margin:18px 0 7px;font-size:18px}.study-group-focus{color:#718184;min-height:42px;margin:0;font-size:13px;line-height:1.55}.study-group-card-meta{color:#899899;flex-direction:column;gap:8px;margin:19px 0;font-size:11px;display:flex}.study-group-card-meta span{align-items:center;gap:6px;display:flex}.study-group-join{color:#286450;cursor:pointer;background:#fbfefc;border:1px solid #d6e7df;border-radius:9px;justify-content:space-between;align-items:center;width:100%;padding:11px 12px;font-weight:800;display:flex}.study-group-empty{color:#78908d;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:9px;min-height:240px;display:flex}.study-group-empty strong{color:#38545a}.study-group-empty span{font-size:13px}@media (width<=800px){.study-group-page{padding:18px 14px 40px}.study-group-hero{flex-direction:column;padding:22px}.study-group-hero h1{font-size:28px}.study-group-hero-art{flex-direction:row;justify-content:flex-start;align-items:flex-start}.study-group-toolbar,.study-group-toolbar-actions{flex-direction:column;align-items:stretch}.study-group-search{width:auto}.study-group-course-filter{width:100%}}.study-guide-page{color:#203241;min-height:100%;padding:28px 34px 56px}.study-guide-header{background:linear-gradient(135deg,#eef8f5,#f5f1e7);border:1px solid #d9e9e2;border-radius:18px;justify-content:space-between;align-items:flex-start;gap:24px;padding:28px 30px;display:flex}.study-guide-eyebrow,.study-guide-section-label{color:#658078;letter-spacing:.12em;align-items:center;gap:7px;font-size:11px;font-weight:800;display:flex}.study-guide-header h1{letter-spacing:-.03em;margin:9px 0 6px;font-size:34px}.study-guide-header p{color:#6a7b80;margin:0}.study-guide-header-mark{color:#d7f1dc;background:#174f4a;border-radius:16px;place-items:center;width:58px;height:58px;display:grid}.study-guide-toolbar{align-items:center;gap:18px;margin:24px 0;display:flex}.study-guide-search{color:#75908a;background:#fff;border:1px solid #dbe4e1;border-radius:11px;flex:1;align-items:center;gap:10px;max-width:620px;padding:12px 15px;display:flex}.study-guide-search input{color:#203241;background:0 0;border:0;outline:0;width:100%;font-size:14px}.study-guide-result-count{color:#7b8d91;font-size:13px}.study-guide-layout{grid-template-columns:270px minmax(0,1fr);gap:24px;display:grid}.study-guide-courses,.study-guide-content{background:#fff;border:1px solid #e2e9e6;border-radius:14px}.study-guide-courses{padding:16px}.study-guide-courses>.study-guide-section-label{padding:4px 10px 12px}.study-guide-course{color:#30474c;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:10px;width:100%;padding:11px 10px;display:flex}.study-guide-course:hover,.study-guide-course.active{background:#eaf5f0}.study-guide-course.active{color:#174f4a}.study-guide-course-icon{color:#6172b1;background:#eef2fb;border-radius:9px;flex:none;place-items:center;width:31px;height:31px;display:grid}.study-guide-course-icon.all{color:#39815e;background:#e9f6ee}.study-guide-course span:last-child{flex-direction:column;gap:3px;min-width:0;display:flex}.study-guide-course strong{font-size:13px}.study-guide-course small{color:#8a999b;text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.study-guide-content{padding:22px}.study-guide-content-heading{justify-content:space-between;align-items:end;gap:18px;margin-bottom:16px;display:flex}.study-guide-content-heading h2{margin:6px 0 0;font-size:20px}.study-guide-content-heading>span{color:#8a999b;font-size:12px}.study-guide-materials{gap:9px;display:grid}.study-guide-material{color:#253e45;text-align:left;cursor:pointer;background:#fff;border:1px solid #e5ece9;border-radius:11px;align-items:center;gap:12px;width:100%;padding:14px;display:flex}.study-guide-material:hover{background:#fbfefc;border-color:#91c8ae}.study-guide-material-icon{color:#55749a;background:#f1f6fb;border-radius:9px;flex:none;place-items:center;width:36px;height:36px;display:grid}.study-guide-material-copy{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.study-guide-material-copy strong{text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.study-guide-material-copy small{color:#899899;font-size:12px}.study-guide-premium{color:#ae761c;background:#fff3d6;border-radius:5px;padding:4px 7px;font-size:10px;font-weight:800}.study-guide-empty{color:#76908d;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:9px;min-height:220px;display:flex}.study-guide-empty strong{color:#39535a}.study-guide-empty span{font-size:13px}.study-guide-empty.error{color:#b45f5f}@media (width<=800px){.study-guide-page{padding:18px 14px 40px}.study-guide-header{padding:22px}.study-guide-header h1{font-size:28px}.study-guide-layout{grid-template-columns:1fr}.study-guide-courses{gap:7px;padding:10px;display:flex;overflow-x:auto}.study-guide-courses>.study-guide-section-label{display:none}.study-guide-course{min-width:160px}.study-guide-content-heading{flex-direction:column;align-items:flex-start;gap:6px}.study-guide-toolbar{flex-direction:column;align-items:stretch;gap:9px}.study-guide-search{max-width:none}}.study-hub-page{box-sizing:border-box;width:100%;max-width:1180px;color:var(--color-text);margin:0 auto;padding:clamp(1rem,2.5vw,1.5rem) clamp(.75rem,2.5vw,1.5rem) 5rem}.hub-heading{border:1px solid var(--color-border);background:linear-gradient(135deg,#3b82f61f,#10b98114);border-radius:18px;justify-content:space-between;align-items:center;gap:1rem;padding:clamp(1.15rem,3vw,1.6rem) clamp(1rem,3vw,1.8rem);display:flex}.hub-heading h1,.slide-preview-body h1{letter-spacing:0;margin:.35rem 0 .45rem;font-family:Georgia,serif;font-size:clamp(1.7rem,3vw,2.5rem)}.hub-heading p,.slide-summary{color:var(--color-text-sub);margin:0}.hub-heading-mark{color:#fff;background:linear-gradient(135deg,#3b82f6,#10b981);border-radius:16px;place-items:center;width:64px;height:64px;display:grid}.hub-eyebrow{color:var(--color-accent);letter-spacing:1.4px;font-size:.68rem;font-weight:900}.hub-section-heading{justify-content:space-between;align-items:end;margin:2rem 0 .8rem;display:flex}.hub-section-heading h2{margin:.25rem 0 0;font-size:1.25rem}.hub-section-heading>span{color:var(--color-text-mute);font-size:.8rem}.hub-course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;display:grid}.hub-course-card,.hub-slide-card{box-sizing:border-box;text-align:left;border:1px solid var(--color-border);background:var(--color-surface);width:100%;min-width:0;color:var(--color-text);cursor:pointer;border-radius:14px;align-items:center;gap:.85rem;padding:1rem;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;position:relative}.hub-course-card:hover,.hub-slide-card:hover{border-color:var(--color-accent);transform:translateY(-2px);box-shadow:0 10px 24px #00000024}.hub-course-icon{color:#fff;border-radius:13px;flex:0 0 48px;place-items:center;height:48px;display:grid}.hub-course-copy,.hub-slide-copy{flex-direction:column;flex:1;gap:.24rem;min-width:0;display:flex}.hub-course-copy strong,.hub-slide-copy strong{color:var(--color-accent);letter-spacing:.8px;font-size:.68rem}.hub-course-copy b,.hub-slide-copy b{text-overflow:ellipsis;white-space:nowrap;font-size:.96rem;overflow:hidden}.hub-course-copy small,.hub-slide-copy small{color:var(--color-text-sub);font-size:.76rem}.slide-section-heading{margin-top:2.4rem}.hub-slide-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;display:grid}.hub-slide-card{min-height:105px;overflow:hidden}.slide-accent{border-radius:4px;align-self:stretch;width:4px;margin:-.2rem .2rem -.2rem -.4rem}.hub-slide-icon{height:44px;color:var(--color-accent);background:var(--color-raised);border-radius:12px;flex:0 0 44px;place-items:center;display:grid}.hub-empty{color:var(--color-text-sub);border:1px dashed var(--color-border);text-align:center;border-radius:14px;flex-direction:column;align-items:center;gap:.55rem;padding:3rem 1rem;display:flex}.hub-empty strong{color:var(--color-text)}.hub-back-link{color:var(--color-text-sub);cursor:pointer;background:0 0;border:0;align-items:center;gap:.45rem;padding:.25rem 0 1rem;display:inline-flex}.hub-back-link:hover{color:var(--color-accent)}.slide-preview-page{max-width:900px}.slide-hero{border-radius:18px 18px 0 0;place-items:center;min-height:270px;display:grid;position:relative;overflow:hidden}.slide-document-icon{color:#ffffffe6;background:#ffffff2e;border:1px solid #ffffff59;border-radius:14px;place-items:center;width:140px;height:180px;display:grid;box-shadow:0 20px 40px #00000040}.slide-ai-icon{color:#fffc;position:absolute;top:22%;right:15%}.slide-preview-body{background:var(--color-surface);border:1px solid var(--color-border);border-top:0;border-radius:0 0 18px 18px;padding:2rem}.preview-tabs{background:var(--color-raised);border:1px solid var(--color-border);border-radius:10px;gap:.5rem;margin:1.5rem 0;padding:.3rem;display:flex}.preview-tabs button,.hub-primary-btn,.hub-secondary-btn{cursor:pointer;border:0;border-radius:9px;justify-content:center;align-items:center;gap:.45rem;padding:.7rem 1rem;font-weight:800;display:inline-flex}.preview-tabs button{color:var(--color-text-sub);background:0 0;flex:1}.preview-tabs button.active{background:var(--color-surface);color:var(--color-text);box-shadow:0 2px 8px #0000001f}.preview-info{color:var(--color-text-sub);gap:1rem;font-size:.82rem;display:flex}.preview-info div{align-items:center;gap:.4rem;display:inline-flex}.preview-actions{gap:.7rem;margin-top:1.7rem;display:flex}.hub-primary-btn{color:#fff;background:var(--color-accent)}.hub-secondary-btn{color:var(--color-text);background:var(--color-raised);border:1px solid var(--color-border)}@media (width<=960px){.hub-course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=620px){.hub-course-grid,.hub-slide-grid{grid-template-columns:1fr}.hub-heading{align-items:flex-start}.hub-heading h1{overflow-wrap:anywhere;font-size:1.65rem}.hub-heading p{font-size:.88rem;line-height:1.45}.hub-heading-mark{flex:0 0 48px;width:48px;height:48px}.hub-section-heading{margin-top:1.6rem}.slide-preview-body{padding:1.3rem}.slide-preview-body h1{overflow-wrap:anywhere;font-size:1.7rem}.preview-actions{flex-direction:column}}.study-materials-container{flex-direction:column;gap:1.5rem;max-width:1150px;margin:0 auto;padding-bottom:4rem;display:flex}.sm-header{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-direction:column;gap:1rem;padding:1.25rem 1.5rem;display:flex}.sm-nav-row{align-items:center;gap:.85rem;display:flex}.sm-back-btn{background:var(--color-raised);border:1px solid var(--color-border);width:40px;height:40px;color:var(--color-text);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;transition:all .18s;display:flex}.sm-back-btn:hover{background:var(--color-surface);border-color:var(--color-border-hi)}.sm-nav-title{color:var(--color-text);letter-spacing:-.5px;font-family:serif;font-size:1.6rem;font-weight:900}.sm-nav-title .title-accent{color:var(--color-accent)}.sm-search-bar{background:var(--color-raised);border:1px solid var(--color-border);border-radius:16px;align-items:center;gap:.75rem;padding:.65rem 1rem;transition:border-color .15s;display:flex}.sm-search-bar:focus-within{border-color:var(--color-accent)}.sm-search-input{color:var(--color-text);background:0 0;border:none;outline:none;flex:1;font-size:.9rem}.sm-search-input::placeholder{color:var(--color-text-mute)}.sm-clear-btn{color:var(--color-text-sub);cursor:pointer;background:0 0;border:none;align-items:center;display:flex}.sm-controls-bar{scrollbar-width:none;justify-content:space-between;align-items:center;gap:1rem;padding:.25rem 0;display:flex;overflow-x:auto}.sm-filter-chips{align-items:center;gap:.6rem;display:flex}.sm-chip{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-sub);cursor:pointer;white-space:nowrap;border-radius:14px;padding:.5rem 1.1rem;font-size:.82rem;font-weight:700;transition:all .18s}.sm-chip:hover{border-color:var(--color-border-hi);color:var(--color-text)}.sm-chip.active{background:var(--color-accent);border-color:var(--color-accent);color:#fff;box-shadow:0 4px 12px #e8692a40}.sm-sort-wrap{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-sub);cursor:pointer;white-space:nowrap;border-radius:14px;align-items:center;gap:.5rem;padding:.45rem .85rem;font-size:.8rem;font-weight:700;display:flex}.sm-sort-select{color:var(--color-text-sub);cursor:pointer;background:0 0;border:none;outline:none;font-size:.8rem;font-weight:700}.sm-feat-section{flex-direction:column;gap:.85rem;display:flex}.sm-feat-cards-carousel{scrollbar-width:none;scroll-snap-type:x mandatory;gap:1rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.sm-feat-card{scroll-snap-align:start;cursor:pointer;width:320px;min-width:300px;box-shadow:var(--shadow-md);color:#fff;border-radius:24px;flex-direction:column;justify-content:space-between;padding:1.5rem;transition:transform .2s;display:flex;position:relative;overflow:hidden}.sm-feat-card:hover{transform:translateY(-3px)}.sm-feat-card-grad-0{background:linear-gradient(135deg,#2a1206 0%,#3a1a08 100%)}.sm-feat-card-grad-1{background:linear-gradient(135deg,#060d22 0%,#0c1a3a 100%)}.sm-feat-card-grad-2{background:linear-gradient(135deg,#041812 0%,#082b20 100%)}.sm-feat-badge{letter-spacing:1px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff26;border-radius:8px;align-self:flex-start;align-items:center;gap:.35rem;padding:.25rem .6rem;font-size:.68rem;font-weight:800;display:inline-flex}.sm-feat-type-icon{color:#fff;margin:.75rem 0 .5rem}.sm-feat-course{color:#ffffffb3;text-transform:uppercase;font-size:.75rem;font-weight:700}.sm-feat-title{color:#fff;margin-top:.2rem;font-family:serif;font-size:1.2rem;font-weight:800;line-height:1.25}.sm-feat-bottom{border-top:1px solid #ffffff26;justify-content:space-between;align-items:center;margin-top:1.25rem;padding-top:.75rem;display:flex}.sm-feat-meta-item{color:#ffffffb3;align-items:center;gap:.3rem;font-size:.75rem;display:flex}.sm-feat-dl-btn{color:#fff;cursor:pointer;background:#fff3;border:none;border-radius:10px;align-items:center;gap:.35rem;padding:.35rem .75rem;font-size:.75rem;font-weight:700;transition:background .15s;display:flex}.sm-feat-dl-btn:hover{background:#ffffff4d}.sm-dots-row{justify-content:center;gap:.4rem;margin-top:.25rem;display:flex}.sm-dot{border-radius:3px;height:5px;transition:all .2s}.sm-dot.active{background:var(--color-accent);width:20px}.sm-dot.inactive{background:var(--color-border-hi);width:6px}.sm-section-head{justify-content:space-between;align-items:center;margin-bottom:.75rem;display:flex}.sm-section-label-row{align-items:center;gap:.6rem;display:flex}.sm-orange-line{background:var(--color-accent);border-radius:1px;width:14px;height:2px}.sm-section-title{color:var(--color-text-mute);letter-spacing:2.5px;text-transform:uppercase;font-size:.72rem;font-weight:800}.sm-count-badge{background:var(--color-orange-dim);color:var(--color-accent);border-radius:6px;padding:.2rem .6rem;font-size:.72rem;font-weight:800}.sm-lecturers-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:.85rem;display:grid}.sm-lec-card{background:var(--color-surface);border:1px solid var(--color-border);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:18px;align-items:center;gap:1rem;padding:1.1rem;transition:all .18s;display:flex}.sm-lec-card:hover{border-color:var(--color-border-hi);box-shadow:var(--shadow-md);transform:translateY(-2px)}.sm-lec-avatar{background:var(--color-orange-dim);width:50px;height:50px;color:var(--color-accent);border-radius:25px;flex-shrink:0;justify-content:center;align-items:center;font-size:1.4rem;font-weight:900;display:flex}.sm-lec-info{flex-direction:column;flex:1;gap:.2rem;display:flex}.sm-lec-name{color:var(--color-text);font-size:.95rem;font-weight:800}.sm-lec-count{color:var(--color-text-sub);font-size:.75rem}.sm-lec-types{flex-wrap:wrap;gap:.4rem;margin-top:.3rem;display:flex}.sm-lec-back-btn{color:var(--color-accent);cursor:pointer;background:0 0;border:none;align-items:center;gap:.4rem;margin-bottom:.5rem;font-size:.85rem;font-weight:800;display:inline-flex}.sm-lec-back-btn:hover{text-decoration:underline}.sm-materials-list{flex-direction:column;gap:.85rem;display:flex}.sm-mat-card{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:20px;transition:all .2s;position:relative;overflow:hidden}.sm-mat-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-border-hi);transform:translateY(-2px)}.sm-mat-accent{width:4px;position:absolute;top:0;bottom:0;left:0}.sm-official-badge{z-index:2;background:var(--color-accent);color:#fff;border-bottom-left-radius:12px;align-items:center;gap:.3rem;padding:.3rem .75rem;font-size:.65rem;font-weight:800;display:flex;position:absolute;top:0;right:0}.sm-mat-inner{flex-direction:column;gap:.85rem;padding:1.25rem 1.25rem 1.25rem 1.5rem;display:flex}.sm-mat-top{align-items:flex-start;gap:1rem;display:flex}.sm-mat-icon-box{border:1px solid var(--color-border);border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:54px;height:54px;display:flex}.sm-mat-type-icon{color:var(--color-text-sub)}.sm-mat-header{flex:1;min-width:0}.sm-mat-course{color:var(--color-accent);text-transform:uppercase;letter-spacing:.5px;font-size:.72rem;font-weight:800}.sm-mat-title{color:var(--color-text);margin-top:.15rem;font-size:1.05rem;font-weight:800;line-height:1.3}.sm-mat-meta-row{color:var(--color-text-sub);flex-wrap:wrap;align-items:center;gap:.85rem;margin-top:.4rem;font-size:.75rem;display:flex}.sm-mat-meta-item{align-items:center;gap:.3rem;display:flex}.sm-stat-bar{border-top:1px solid var(--color-border);flex-wrap:wrap;align-items:center;gap:.6rem;padding-top:.75rem;display:flex}.sm-stat-item{color:var(--color-text-sub);align-items:center;gap:.3rem;font-size:.75rem;display:flex}.sm-badge-pro{color:#dfa83c;background:#dfa83c26;border-radius:6px;padding:.15rem .45rem;font-size:.65rem;font-weight:900}.sm-badge-new{color:#3dc99a;background:#3dc99a26;border-radius:6px;padding:.15rem .45rem;font-size:.65rem;font-weight:900}.sm-type-chip{border:1px solid #0000;border-radius:8px;margin-left:auto;padding:.2rem .6rem;font-size:.7rem;font-weight:800}.sm-mat-actions{flex-direction:column;gap:.6rem;margin-top:.25rem;display:flex}.sm-primary-row{flex-wrap:wrap;gap:.6rem;display:flex}.sm-btn-primary{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.4rem;min-width:140px;height:40px;font-size:.82rem;font-weight:700;transition:all .15s;display:flex;box-shadow:0 3px 10px #e8692a33}.sm-btn-primary:hover{transform:translateY(-1px)}.sm-btn-download{background:var(--color-raised);min-width:140px;height:40px;color:var(--color-text);border:1px solid var(--color-border);cursor:pointer;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.4rem;font-size:.82rem;font-weight:700;transition:all .15s;display:flex}.sm-btn-download:hover{border-color:var(--color-border-hi)}.sm-btn-download.downloaded{color:#3dc99a;background:#3dc99a1f;border-color:#3dc99a}.sm-utility-row{flex-wrap:wrap;gap:.6rem;display:flex}.sm-utility-btn{background:var(--color-surface);border:1px solid var(--color-border);min-width:90px;height:36px;color:var(--color-text-sub);cursor:pointer;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:.35rem;font-size:.75rem;font-weight:700;transition:all .15s;display:flex}.sm-utility-btn:hover{border-color:var(--color-border-hi);color:var(--color-text)}.sm-utility-btn.bookmarked{color:#dfa83c;background:#dfa83c1f;border-color:#dfa83c4d}@media (width<=640px){.study-materials-container{width:100%;max-width:100%;padding-left:.5rem;padding-right:.5rem;overflow-x:hidden}.sm-header{padding:1rem}.sm-nav-title{font-size:1.3rem}.sm-controls-bar{flex-direction:column;align-items:stretch}.sm-filter-chips{width:100%;padding-bottom:.2rem;overflow-x:auto}.sm-feat-card{width:calc(100vw - 3rem);min-width:calc(100vw - 3rem)}.sm-lecturers-grid{grid-template-columns:1fr}.sm-mat-inner{padding:1rem}.sm-btn-primary,.sm-btn-download{width:100%;min-width:0}.sm-utility-btn{flex:30%;min-width:0}.sm-mat-title{font-size:.95rem}}.qbank-runner-overlay{z-index:9999;color:#0f172a;font-family:var(--font-sans,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);-webkit-user-select:none;user-select:none;background-color:#f8fafc;display:flex;position:fixed;inset:0;overflow:hidden}.qbank-loading-state{background:#f8fafc;justify-content:center;align-items:center}.qbank-loading-card{color:#1e293b;text-align:center;background:#fff;border:1px solid #e2e8f0;border-radius:16px;flex-direction:column;align-items:center;gap:.55rem;min-width:min(320px,100vw - 2rem);padding:2rem;display:flex;box-shadow:0 12px 30px #0f172a1f}.qbank-loading-card>span:last-child{color:#64748b;font-size:.9rem}.qbank-loading-spinner{border:3px solid #dbeafe;border-top-color:#1e52e8;border-radius:50%;width:28px;height:28px;animation:.8s linear infinite qbank-loading-spin}.qbank-empty-close-btn{color:#fff;cursor:pointer;background:#1e52e8;border:0;border-radius:8px;margin-top:.5rem;padding:.55rem 1.2rem;font-weight:700}@keyframes qbank-loading-spin{to{transform:rotate(360deg)}}.qbank-runner-overlay.dark-mode{color:#f8fafc;background-color:#0f172a}.qbank-runner-overlay.dark-mode .qbank-workspace{background-color:#0f172a}.qbank-runner-overlay.dark-mode .workspace-top-bar,.qbank-runner-overlay.dark-mode .workspace-footer-bar{color:#fff;background-color:#1e293b;border-color:#ffffff1a}.qbank-runner-overlay.dark-mode .question-statement{color:#fff}.qbank-runner-overlay.dark-mode .q-option-card,.qbank-runner-overlay.dark-mode .explanation-rich-box,.qbank-runner-overlay.dark-mode .metrics-summary-bar{color:#e2e8f0;background-color:#1e293b;border-color:#ffffff1f}.qbank-drawer{color:#fff;box-sizing:border-box;z-index:10;background:linear-gradient(#1e52e8 0%,#1946c7 100%);flex-direction:column;flex-shrink:0;width:290px;padding:1.1rem;transition:width .3s cubic-bezier(.16,1,.3,1);display:flex;position:relative;box-shadow:4px 0 20px #00000026}.qbank-drawer.collapsed{align-items:center;width:64px;padding:1rem .4rem}.qbank-drawer.collapsed .drawer-top-bar{flex-direction:column;align-items:center;gap:.5rem;width:100%;margin-bottom:.75rem}.collapsed-questions-column{scrollbar-width:thin;scrollbar-color:#ffffff4d transparent;flex-direction:column;flex:1;align-items:center;gap:.45rem;width:100%;padding-bottom:1rem;display:flex;overflow:hidden auto}.collapsed-q-btn{color:#ffffffe6;cursor:pointer;background:#ffffff1f;border:1px solid #ffffff2e;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.88rem;font-weight:700;transition:all .2s;display:flex}.collapsed-q-btn:hover{color:#fff;background:#ffffff40;transform:scale(1.05)}.collapsed-q-btn.active{color:#1e52e8;background:#fff;border-color:#fff;font-weight:900;box-shadow:0 3px 10px #00000040}.collapsed-q-btn.checked:not(.active){color:#fff;background:#4dae6340;border-color:#4dae63}.drawer-top-bar{justify-content:space-between;align-items:center;margin-bottom:1.1rem;display:flex}.drawer-icon-btn{color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff26;border:1px solid #ffffff40;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}.drawer-icon-btn:hover{background:#ffffff4d;transform:scale(1.04)}.collapse-arrow{transition:transform .3s}.collapse-arrow.rotated{transform:rotate(180deg)}.drawer-content{scrollbar-width:thin;scrollbar-color:#ffffff4d transparent;flex-direction:column;flex:1;padding-right:.35rem;display:flex;overflow:hidden auto}.drawer-header-info{flex-direction:column;gap:.2rem;margin-bottom:1rem;display:flex}.subject-subtitle{color:#ffffffd9;letter-spacing:.2px;font-size:.85rem;font-weight:700}.topic-main-title{color:#fff;margin:0;font-size:1.25rem;font-weight:900;line-height:1.25}.drawer-progress-box{align-items:center;gap:.75rem;margin-bottom:1rem;display:flex}.progress-seg-track{background:#ffffff40;border-radius:10px;flex:1;height:7px;overflow:hidden}.progress-seg-fill{background:#ff6b35;border-radius:10px;height:100%;transition:width .3s}.progress-text-label{color:#fff;min-width:32px;font-size:.88rem;font-weight:800}.drawer-toolbar-row{align-items:center;gap:.5rem;margin-bottom:.85rem;display:flex}.tool-icon-btn{color:#fff;cursor:pointer;background:#ffffff24;border:1px solid #fff3;border-radius:10px;flex:1;justify-content:center;align-items:center;height:36px;transition:all .2s;display:flex}.tool-icon-btn:hover,.tool-icon-btn.active{background:#ffffff4d;border-color:#fff}.drawer-filter-row{background:#00000026;border-radius:12px;align-items:center;gap:.25rem;margin-bottom:.85rem;padding:.25rem;display:flex}.filter-pill-btn{color:#fffc;cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:.38rem 0;font-size:.82rem;font-weight:700;transition:all .2s}.filter-pill-btn.active{color:#1e52e8;background:#fff;font-weight:900;box-shadow:0 2px 8px #00000026}.drawer-status-cards-container{flex-direction:column;gap:.75rem;margin-bottom:1rem;display:flex}.status-summary-card{background:#ffffff1f;border:1px solid #ffffff2e;border-radius:14px;overflow:hidden;box-shadow:0 4px 14px #00000014}.status-summary-row{cursor:pointer;border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;padding:.75rem 1rem;transition:background .2s,transform .15s;display:flex}.status-summary-row:last-child{border-bottom:none}.status-summary-row:hover{background:#ffffff2e}.status-summary-row.active{background:#ffffff47}.status-row-left{align-items:center;gap:.65rem;display:flex}.status-icon,.status-icon.icon-correct,.status-icon.icon-incorrect{color:#fff}.status-icon.icon-unanswered{color:#ffffffd9}.status-row-title{color:#fff;font-size:.92rem;font-weight:700}.status-row-count{color:#fff;font-size:.95rem;font-weight:800}.status-pill-icon{color:#fff;border-radius:6px;justify-content:center;align-items:center;width:22px;height:22px;display:flex;box-shadow:0 2px 4px #00000026}.status-pill-icon.pill-unused{background:#ffffff40}.status-pill-icon.pill-learning{background:#e05656}.status-pill-icon.pill-reviewing{background:#eebf42}.status-pill-icon.pill-mastered{background:#4dae63}.status-pill-icon.pill-bookmarked{background:#3b82f6}.drawer-search-box{background:#ffffff26;border:1px solid #ffffff40;border-radius:12px;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.5rem .75rem;display:flex}.drawer-search-box .search-icon{color:#ffffffbf}.drawer-search-input{color:#fff;background:0 0;border:none;outline:none;flex:1;font-size:.85rem}.drawer-search-input::placeholder{color:#ffffffa6}.drawer-questions-list{flex-direction:column;gap:.45rem;padding-bottom:1.5rem;padding-right:.25rem;display:flex}.empty-subfilter-state{text-align:center;color:#ffffffd9;background:#ffffff1a;border:1px dashed #ffffff40;border-radius:12px;margin:.5rem 0;padding:1.25rem 1rem;font-size:.85rem;font-weight:600}.q-chip-btn{color:#fff;cursor:pointer;text-align:left;background:#ffffff24;border:1px solid #ffffff2e;border-radius:12px;justify-content:space-between;align-items:center;padding:.65rem .85rem;font-size:.88rem;font-weight:600;transition:all .2s;display:flex}.q-chip-btn:hover{background:#ffffff40}.q-chip-btn.selected{color:#1e52e8;background:#fff;border-color:#fff;font-weight:800;box-shadow:0 4px 14px #0000002e}.chip-left{align-items:center;gap:.6rem;display:flex}.chip-radio-circle{box-sizing:border-box;border:2px solid #ffffffb3;border-radius:50%;width:14px;height:14px}.q-chip-btn.selected .chip-radio-circle{background:radial-gradient(circle,#1e52e8 40%,#0000 45%);border-color:#1e52e8}.chip-check-icon{color:#48bb78}.q-chip-btn.selected .chip-check-icon{color:#22c55e}.chip-right-icons{align-items:center;gap:.35rem;display:flex}.chip-tag-icon.tag-learning{color:#ef4444}.chip-tag-icon.tag-reviewing{color:#eab308}.chip-tag-icon.tag-mastered{color:#22c55e}.chip-bookmark-icon{color:#38bdf8}.qbank-workspace{background-color:#f8fafc;flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.workspace-top-bar{background-color:#fff;border-bottom:1px solid #e2e8f0;flex-shrink:0;justify-content:space-between;align-items:center;height:52px;padding:0 2rem;display:flex}.top-bar-left{align-items:center;gap:.85rem;min-width:0;display:flex}.mobile-drawer-toggle-btn{color:#1e293b;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:none}.mobile-drawer-toggle-btn:hover{background:#f1f5f9;border-color:#cbd5e1}.qbank-runner-overlay.dark-mode .mobile-drawer-toggle-btn{color:#fff;background:#1e293b;border-color:#ffffff26}.top-q-counter{color:#64748b;text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:.95rem;font-weight:700;overflow:hidden}.top-runner-type{color:#1e52e8;margin-right:.65rem;font-weight:900}.top-timer-display{color:#64748b;white-space:nowrap;text-align:right;flex:none;font-size:.92rem;font-weight:700}.timer-running-text{color:#64748b}.timer-paused-text{color:#64748b;font-weight:700}.workspace-scroll-body{overscroll-behavior-y:contain;scroll-behavior:smooth;box-sizing:border-box;flex:1;padding:2.5rem 3rem 4rem;overflow-y:auto}.question-content-container{max-width:900px;margin:0 auto}.qbank-runner-instructions{color:#1e293b;background:#eff6ff;border-left:4px solid #1e52e8;border-radius:10px;margin-bottom:1.5rem;padding:1rem 1.15rem}.qbank-runner-instructions strong{color:#1e52e8;margin-bottom:.35rem;display:block}.qbank-runner-instructions p{white-space:pre-wrap;margin:0;line-height:1.6}.question-statement{color:#1e293b;margin:0 0 2rem;font-size:1.35rem;font-weight:700;line-height:1.45}.options-vertical-group{flex-direction:column;gap:.9rem;margin-bottom:2rem;display:flex}.theory-answer-response{color:#334155;box-sizing:border-box;flex-direction:column;gap:.55rem;width:100%;min-width:0;margin-bottom:2rem;font-weight:700;display:flex}.theory-answer-response textarea{color:#0f172a;width:100%;min-width:0;max-width:100%;min-height:120px;font:inherit;resize:vertical;box-sizing:border-box;border:1px solid #cbd5e1;border-radius:10px;padding:.9rem 1rem;font-size:16px;font-weight:400;line-height:1.5;display:block}.theory-answer-response textarea:focus{outline-offset:1px;outline:2px solid #2563eb}.theory-answer-response small{color:#64748b;font-weight:400}.theory-answer-error{color:#b91c1c;font-size:.9rem}.q-option-card{cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:16px;align-items:center;padding:1.15rem 1.4rem;transition:all .2s cubic-bezier(.16,1,.3,1);display:flex;box-shadow:0 2px 6px #00000005}.q-option-card:hover{border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 4px 14px #0000000f}.q-option-card.selected{background:#eff6ff;border:2px solid #2563eb;box-shadow:0 4px 16px #2563eb1f}.q-option-card.result-correct{color:#15803d;background:#f0fdf4;border:2px solid #22c55e;font-weight:700}.q-option-card.result-incorrect{color:#b91c1c;background:#fef2f2;border:2px solid #ef4444}.option-radio-col{align-items:center;margin-right:1rem;display:flex}.option-radio-dot{box-sizing:border-box;border:2px solid #cbd5e1;border-radius:50%;width:18px;height:18px;transition:all .15s}.q-option-card.selected .option-radio-dot{background:radial-gradient(circle,#2563eb 40%,#0000 45%);border-color:#2563eb}.q-option-card.selected .option-text-col{font-weight:700}.correct-check-icon{color:#16a34a}.option-text-col{color:#1e293b;flex:1;align-items:center;gap:.5rem;font-size:1.02rem;line-height:1.4;display:flex}.option-letter{font-weight:800}.option-body-text{flex:1}.option-pct-stat{color:#475569;margin-left:.5rem;font-size:.9rem;font-weight:700}.answer-results-section{flex-direction:column;gap:1.5rem;margin-top:1rem;display:flex}.metrics-summary-bar{background:#fff;border:1px solid #e2e8f0;border-radius:16px;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.5rem;display:flex;box-shadow:0 2px 10px #00000008}.outcome-badge{border-radius:999px;padding:.35rem 1rem;font-size:.9rem;font-weight:800}.outcome-badge.correct{color:#16a34a;background:#dcfce7}.outcome-badge.incorrect{color:#dc2626;background:#fee2e2}.metric-item{color:#64748b;align-items:center;gap:.45rem;font-size:.88rem;display:flex}.metric-icon{color:#94a3b8}.metric-divider{background:#e2e8f0;width:1px;height:24px}.explanation-rich-box{background:#fff;border:1px solid #e2e8f0;border-radius:20px;flex-direction:column;gap:1.25rem;padding:2rem;display:flex;box-shadow:0 4px 20px #0000000a}.explanation-header-title{color:#1e293b;align-items:center;gap:.6rem;display:flex}.explanation-header-title h3{margin:0;font-size:1.2rem;font-weight:900}.explanation-icon{color:#2563eb}.explanation-summary-para{color:#334155;margin:0;font-size:1rem;line-height:1.65}.explanation-table-wrapper{border:1px solid #cbd5e1;border-radius:12px;margin:1rem 0;overflow:hidden}.exp-table-caption{color:#fff;text-align:center;letter-spacing:.3px;background:#525252;padding:.65rem 1rem;font-size:.95rem;font-weight:800}.exp-data-table{border-collapse:collapse;text-align:left;width:100%;font-size:.88rem}.exp-data-table th{color:#1e293b;background:#f1f5f9;border-bottom:1px solid #cbd5e1;padding:.75rem 1rem;font-weight:800}.exp-data-table td{vertical-align:top;color:#334155;border-bottom:1px solid #e2e8f0;padding:.85rem 1rem;line-height:1.5}.exp-data-table tr:last-child td{border-bottom:none}.table-bullet{color:#16a34a;font-weight:700}.table-heading-sub{color:#1e293b;font-weight:700}.option-breakdowns-list{flex-direction:column;gap:1rem;margin-top:.5rem;display:flex}.breakdown-item{flex-direction:column;gap:.3rem;display:flex}.breakdown-title-line em{color:#1e293b;font-size:.98rem;font-style:italic;font-weight:700}.breakdown-body{color:#475569;margin:0;font-size:.95rem;line-height:1.55}.workspace-footer-bar{background:#fff;border-top:1px solid #e2e8f0;flex-shrink:0;justify-content:space-between;align-items:center;height:68px;padding:0 1.5rem;display:flex;box-shadow:0 -4px 16px #0000000a}.footer-left-nav{flex-shrink:0;align-items:center;gap:.75rem;display:flex}.footer-nav-btn{color:#1e293b;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;transition:all .2s;display:flex;box-shadow:0 2px 6px #00000008}.footer-nav-btn:hover:not(:disabled){background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px)}.footer-nav-btn:disabled{opacity:.4;cursor:not-allowed}.footer-center-actions{flex:1;justify-content:center;align-items:center;min-width:0;padding:0 .25rem;display:flex}.footer-right-actions{flex-shrink:0;align-items:center;display:flex}.check-answer-btn{border:none;border-radius:14px;padding:.75rem 2.5rem;font-size:1rem;font-weight:800;transition:all .2s cubic-bezier(.16,1,.3,1)}.check-answer-btn.disabled{color:#fff;cursor:not-allowed;background:#cbd5e1}.check-answer-btn.active{color:#fff;cursor:pointer;background:#2563eb;box-shadow:0 4px 16px #2563eb59}.check-answer-btn.active:hover{background:#1d4ed8;transform:translateY(-1px)}.mastery-tags-row{justify-content:center;align-items:center;gap:.5rem;width:100%;display:flex}.tag-action-btn{color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:12px;flex-shrink:1;justify-content:center;align-items:center;gap:.35rem;min-width:0;padding:.65rem 1rem;font-size:.88rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 2px 8px #0000001f}.tag-action-btn.tag-learning{background:#e05656}.tag-action-btn.tag-reviewing{color:#fff;background:#eebf42}.tag-action-btn.tag-mastered{background:#4dae63}.tag-action-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}.tag-action-btn.active{box-shadow:0 0 0 3px #0003,0 4px 12px #0003}.bookmark-toggle-btn{color:#64748b;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;transition:all .2s;display:flex}.bookmark-toggle-btn:hover{color:#2563eb;border-color:#cbd5e1}.bookmark-toggle-btn.active{color:#2563eb;background:#eff6ff;border-color:#2563eb}.key-takeaway-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;margin-top:1rem;padding:1.5rem 1.75rem;box-shadow:0 2px 10px #00000005}.key-takeaway-title{color:#1e293b;margin:0 0 1rem;font-size:1.05rem;font-weight:800}.key-takeaway-list{color:#334155;margin:0 0 1.5rem;padding-left:1.25rem;font-size:.98rem;line-height:1.6}.key-takeaway-list li{margin-bottom:.5rem}.key-takeaway-meta-row{align-items:center;gap:3rem;display:flex}.kt-meta-item{flex-direction:column;gap:.15rem;display:flex}.kt-meta-val{color:#1e293b;font-size:.96rem;font-weight:700}.kt-meta-lbl{color:#94a3b8;font-size:.82rem;font-weight:600}.ask-ai-card{flex-direction:column;gap:.85rem;margin-top:1rem;display:flex}.ask-ai-header{color:#1e293b;align-items:center;gap:.5rem;display:flex}.ask-ai-icon{color:#1e293b}.ask-ai-title{color:#1e293b;font-size:1.05rem;font-weight:800}.ask-ai-input-box{background:#fff;border:1px solid #e2e8f0;border-radius:16px;align-items:flex-end;gap:.75rem;padding:1.15rem 1.4rem;transition:border-color .2s,box-shadow .2s;display:flex;position:relative;box-shadow:0 2px 8px #00000005}.ask-ai-input-box:focus-within{border-color:#cbd5e1;box-shadow:0 4px 12px #0000000d}.ask-ai-textarea{color:#1e293b;resize:none;background:0 0;border:none;outline:none;flex:1;min-height:44px;max-height:30vh;scroll-margin-block:1rem;font-family:inherit;font-size:.96rem;line-height:1.5;overflow-y:auto}.ask-ai-textarea::placeholder{color:#94a3b8}.ask-ai-send-btn{color:#fff;cursor:pointer;background:#64748b;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}.ask-ai-send-btn.active{background:#1e293b}.ask-ai-send-btn:hover:not(:disabled){background:#0f172a;transform:scale(1.05)}.ask-ai-send-btn:disabled{opacity:.4;cursor:not-allowed}.ai-responses-list{flex-direction:column;gap:.75rem;display:flex}.ai-response-item{background:#fff;border:1px solid #e2e8f0;border-radius:14px;flex-direction:column;gap:.5rem;padding:1rem 1.25rem;display:flex}.ai-user-query{color:#475569;font-size:.92rem}.ai-bot-answer{color:#1e293b;align-items:flex-start;gap:.5rem;font-size:.95rem;font-weight:600;line-height:1.5;display:flex}.ai-sparkle-icon{color:#2563eb;flex-shrink:0;margin-top:.15rem}.ai-loading-state{color:#2563eb;align-items:center;gap:.5rem;padding:.5rem 0;font-size:.9rem;font-weight:600;display:flex}.ask-ai-footer-link{color:#64748b;cursor:pointer;justify-content:center;align-items:center;gap:.35rem;margin-top:.5rem;font-size:.88rem;font-weight:600;transition:color .2s;display:flex}.ask-ai-footer-link:hover{color:#2563eb}.qbank-runner-overlay.dark-mode .key-takeaway-card,.qbank-runner-overlay.dark-mode .ask-ai-input-box,.qbank-runner-overlay.dark-mode .ai-response-item{color:#f8fafc;background:#1e293b;border-color:#ffffff1f}.qbank-runner-overlay.dark-mode .key-takeaway-title,.qbank-runner-overlay.dark-mode .ask-ai-title,.qbank-runner-overlay.dark-mode .ask-ai-header,.qbank-runner-overlay.dark-mode .kt-meta-val,.qbank-runner-overlay.dark-mode .ask-ai-textarea,.qbank-runner-overlay.dark-mode .ai-bot-answer{color:#fff}.qbank-runner-overlay.dark-mode .key-takeaway-list{color:#cbd5e1}.qbank-runner-overlay.dark-mode .ask-ai-send-btn{background:#475569}.qbank-runner-overlay.dark-mode .ask-ai-send-btn.active{background:#2563eb}.fade-in{animation:.25s ease-out forwards fadeInKeyframe}@keyframes fadeInKeyframe{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (width<=900px){.workspace-scroll-body{padding:2rem 2rem 4rem}}@media (width<=768px){.mobile-drawer-toggle-btn{display:flex}.qbank-drawer-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:998;background:#0f172a8c;position:fixed;inset:0}.qbank-drawer{z-index:999;width:285px;max-width:85vw;transition:transform .3s cubic-bezier(.16,1,.3,1);position:fixed;top:0;bottom:0;left:0;transform:translate(0);box-shadow:8px 0 28px #0000004d}.qbank-drawer.collapsed{width:285px;padding:1.1rem;transform:translate(-100%)}.workspace-scroll-body{padding:1.5rem 1.25rem 4.5rem}.question-statement{margin-bottom:1.25rem;font-size:1.18rem}}@media (width<=640px){.workspace-top-bar{padding:0 1rem}.metrics-summary-bar{grid-template-columns:1fr 1fr;gap:.65rem .85rem;padding:.85rem 1rem;display:grid}.metric-divider{display:none}.outcome-badge{text-align:center;grid-column:1/-1}.explanation-rich-box{border-radius:16px;padding:1.25rem 1rem}.explanation-table-wrapper{-webkit-overflow-scrolling:touch;margin:.85rem 0;overflow-x:auto}.exp-data-table{min-width:500px}.workspace-footer-bar{height:auto;min-height:58px;padding:.5rem .65rem max(.5rem, env(safe-area-inset-bottom,8px)) .65rem;gap:.35rem}.footer-left-nav{gap:.55rem}.footer-nav-btn,.bookmark-toggle-btn{border-radius:10px;width:36px;height:36px}.check-answer-btn{border-radius:11px;width:100%;max-width:220px;padding:.6rem 1.25rem;font-size:.88rem}.mastery-tags-row{gap:.25rem}.tag-action-btn{border-radius:9px;gap:.2rem;padding:.5rem .55rem;font-size:.78rem}}@media (width<=480px){.workspace-top-bar{height:48px;padding:0 .75rem}.top-q-counter{font-size:.76rem}.top-timer-display{font-size:.7rem;line-height:1.1}.top-bar-left{gap:.45rem}.top-runner-type{margin-right:.3rem}.workspace-scroll-body{padding:1rem .75rem 5.5rem}.question-statement{margin-bottom:1rem;font-size:1.06rem;line-height:1.4}.theory-answer-response{gap:.45rem;margin-bottom:1.25rem}.theory-answer-response textarea{min-height:132px;padding:.75rem}.theory-answer-response small{font-size:.78rem;line-height:1.45}.q-option-card{border-radius:12px;padding:.85rem .9rem}.option-radio-col{margin-right:.75rem}.option-text-col{font-size:.92rem}.key-takeaway-card{border-radius:14px;padding:1.15rem 1rem}.key-takeaway-title{margin-bottom:.75rem;font-size:.98rem}.key-takeaway-list{margin-bottom:1rem;padding-left:1rem;font-size:.88rem}.key-takeaway-meta-row{gap:1.5rem}.kt-meta-val{font-size:.88rem}.kt-meta-lbl{font-size:.78rem}.ask-ai-input-box{border-radius:14px;padding:.85rem 1rem}.ask-ai-textarea{font-size:.9rem}.ask-ai-send-btn{width:32px;height:32px}.workspace-footer-bar{min-height:62px;padding:.45rem .45rem max(.75rem, env(safe-area-inset-bottom,10px)) .45rem;gap:.2rem}.footer-left-nav,.footer-center-actions,.footer-right-actions{transform:translateY(-2px)}.footer-nav-btn,.bookmark-toggle-btn{border-radius:9px;width:34px;height:34px}.mastery-tags-row{gap:.2rem}.tag-action-btn{border-radius:8px;gap:.15rem;padding:.45rem;font-size:.74rem}.tag-action-btn svg{width:12px;height:12px}}@media (width<=360px){.workspace-footer-bar{min-height:64px;padding:.4rem .3rem max(.7rem, env(safe-area-inset-bottom,8px)) .3rem}.footer-left-nav,.footer-center-actions,.footer-right-actions{transform:translateY(-2px)}.footer-nav-btn,.bookmark-toggle-btn{width:31px;height:31px}.footer-left-nav{gap:.5rem}.tag-action-btn{padding:.4rem .3rem;font-size:.7rem}.check-answer-btn{padding:.5rem .75rem;font-size:.8rem}}.question-issue-report{color:#334155;-webkit-user-select:text;user-select:text;margin-top:1rem}.question-issue-report-trigger,.question-issue-report-cancel,.question-issue-report-submit{color:#475569;min-height:36px;font:inherit;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:7px;justify-content:center;align-items:center;gap:.45rem;padding:.5rem .75rem;font-size:.82rem;font-weight:700;display:inline-flex}.question-issue-report-trigger:hover,.question-issue-report-cancel:hover{background:#f8fafc}.question-issue-report-form{background:snow;border:1px solid #fecaca;border-radius:8px;gap:.55rem;max-width:520px;padding:.8rem;display:grid}.question-issue-report-form label{color:#334155;font-size:.84rem;font-weight:700}.question-issue-report-form textarea{box-sizing:border-box;resize:vertical;color:#0f172a;width:100%;font:inherit;border:1px solid #cbd5e1;border-radius:6px;padding:.65rem;font-size:.85rem}.question-issue-report-message{color:#b91c1c;margin:0;font-size:.8rem}.question-issue-report-actions{justify-content:flex-end;gap:.5rem;display:flex}.question-issue-report-submit{color:#fff;background:#b91c1c;border-color:#b91c1c}.question-issue-report-submit:hover:not(:disabled){background:#991b1b}.question-issue-report button:disabled{cursor:wait;opacity:.65}.question-issue-report-sent{color:#047857;align-items:center;gap:.4rem;font-size:.84rem;font-weight:700;display:inline-flex}.dark-mode .question-issue-report-trigger,.dark-mode .question-issue-report-cancel{color:#e2e8f0;background:#1e293b;border-color:#475569}.dark-mode .question-issue-report-form{background:#1e293b;border-color:#7f1d1d}.dark-mode .question-issue-report-form label{color:#e2e8f0}.score-report-page{box-sizing:border-box;color:#fff;width:100%;min-height:100vh;font-family:var(--font-sans,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);background:linear-gradient(135deg,#4f46e5 0%,#3b82f6 50%,#1e1b4b 100%);flex-direction:column;padding:1.25rem 2rem 4rem;transition:all .3s;display:flex}.answer-review-section{margin-top:2rem}.answer-review-list{gap:1rem;display:grid}.answer-review-card{color:#1e293b;background:#fff;border:1px solid #e2e8f0;border-left:4px solid #ef4444;border-radius:14px;padding:1.35rem}.answer-review-card.correct{border-left-color:#16a34a}.answer-review-card-header,.answer-review-answers{justify-content:space-between;align-items:center;gap:1rem;display:flex}.answer-review-number{color:#64748b;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;font-weight:800}.answer-review-status{color:#b91c1c;background:#fee2e2;border-radius:999px;padding:.3rem .65rem;font-size:.75rem;font-weight:800}.answer-review-status.correct{color:#15803d;background:#dcfce7}.answer-review-card h3{color:#0f172a;margin:.85rem 0 1rem;font-size:1rem;line-height:1.5}.answer-review-answers{align-items:stretch}.answer-review-answer{background:#f8fafc;border-radius:9px;flex-direction:column;flex:1;gap:.35rem;padding:.75rem .85rem;display:flex}.answer-review-answer span,.answer-review-explanation strong{color:#64748b;text-transform:uppercase;font-size:.75rem;font-weight:800}.answer-review-answer strong{color:#334155;font-size:.88rem;line-height:1.4}.correct-answer{background:#f0fdf4}.correct-answer strong{color:#166534}.answer-review-explanation{background:#eff6ff;border-radius:10px;margin-top:1rem;padding:.85rem 1rem}.answer-review-explanation strong{color:#1d4ed8}.answer-review-explanation p{color:#334155;margin:.4rem 0 0;font-size:.88rem;line-height:1.6}.score-top-bar{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:2rem;display:flex}.score-back-btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;cursor:pointer;background-color:#ffffff26;border:1px solid #ffffff40;border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;transition:all .2s;display:flex}.score-back-btn:hover{background-color:#ffffff47;transform:translate(-2px)}.score-top-right{align-items:center;gap:.75rem;display:flex}.score-streak-badge{color:#ffb703;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff2e;border:1px solid #ffffff40;border-radius:20px;align-items:center;gap:.35rem;padding:.4rem .8rem;font-size:.85rem;font-weight:800;display:flex}.score-upgrade-btn{color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff38;border:1px solid #ffffff59;border-radius:20px;align-items:center;gap:.4rem;padding:.4rem 1rem;font-size:.85rem;font-weight:800;transition:all .2s;display:flex}.score-upgrade-btn:hover{background-color:#ffffff52}.score-user-avatar{color:#4f46e5;cursor:pointer;background:#fff;border:2px solid #fff6;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:.9rem;font-weight:800;display:flex;overflow:hidden}.score-hero-header{margin-bottom:2rem}.score-breadcrumb{color:#ffffffd9;flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:.6rem;font-size:.92rem;font-weight:600;display:flex}.score-breadcrumb span{cursor:pointer}.score-breadcrumb span:hover{color:#fff;text-decoration:underline}.score-breadcrumb .bc-sep{opacity:.6}.score-breadcrumb .bc-active{color:#fff;overflow-wrap:anywhere;font-weight:700}.score-main-title{color:#fff;letter-spacing:-.5px;margin:0;font-size:2.75rem;font-weight:900}.score-sections-stack{flex-direction:column;gap:2.5rem;min-width:0;max-width:1100px;display:flex}.score-section-group{flex-direction:column;gap:.6rem;display:flex}.score-section-heading{color:#fff;letter-spacing:-.3px;margin:0;font-size:1.75rem;font-weight:800}.score-section-subtitle{color:#ffffffd9;margin:0 0 .5rem;font-size:.95rem}.score-white-card{box-sizing:border-box;color:#1e293b;background:#fff;border-radius:20px;min-width:0;padding:2rem;box-shadow:0 10px 30px #00000026}.card-header-row{border-bottom:1px solid #f1f5f9;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.75rem;padding-bottom:1.5rem;display:flex}.card-header-left{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}.card-title-text{color:#0f172a;margin:0;font-size:1.35rem;font-weight:800}.card-pill-tag{color:#475569;background-color:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;align-items:center;gap:.4rem;padding:.35rem .75rem;font-size:.82rem;font-weight:700;display:flex}.btn-start-review{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1 0%,#4f46e5 100%);border:none;border-radius:24px;align-items:center;gap:.5rem;padding:.65rem 1.6rem;font-size:.95rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 4px 14px #4f46e559}.btn-start-review:hover{transform:translateY(-1px);box-shadow:0 6px 18px #4f46e573}.score-report-grid{grid-template-columns:320px 1fr;align-items:center;gap:2.5rem;display:grid}.score-gauge-wrap{flex-direction:column;justify-content:center;align-items:center;width:100%;display:flex;position:relative}.gauge-svg{width:240px;height:140px;overflow:visible}.gauge-bg-arc{fill:none;stroke:#e2e8f0;stroke-width:22px;stroke-linecap:round}.gauge-fill-arc{fill:none;stroke:url(#gaugeGradient);stroke-width:22px;stroke-linecap:round;transition:stroke-dashoffset 1s ease-in-out}.gauge-center-content{text-align:center;flex-direction:column;align-items:center;display:flex;position:absolute;top:45px}.gauge-label{color:#3b82f6;margin-bottom:.1rem;font-size:.88rem;font-weight:800}.gauge-big-score{color:#2563eb;letter-spacing:-1px;font-size:3.5rem;font-weight:900;line-height:1}.gauge-sub-avg{color:#64748b;margin-top:.25rem;font-size:.88rem;font-weight:700}.score-table-container{width:100%;min-width:0}.score-stats-table{border-collapse:collapse;table-layout:fixed;width:100%}.score-stats-table th{text-align:right;color:#64748b;border-bottom:2px solid #f1f5f9;padding:.85rem 1.25rem;font-size:.9rem;font-weight:800}.score-stats-table th:first-child{text-align:left}.score-stats-table td{border-bottom:1px solid #f1f5f9;padding:1.1rem 1.25rem;font-size:.95rem}.score-stats-table tr:last-child td{border-bottom:none}.metric-name-col{color:#334155;text-align:left;font-weight:700}.metric-you-col{color:#0f172a;text-align:right;font-weight:800}.metric-avg-col{color:#64748b;text-align:right;font-weight:700}.comparison-chart-card{flex-direction:column;display:flex;position:relative}.comparison-legend{color:#3b82f6;justify-content:flex-end;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.88rem;font-weight:800;display:flex}.legend-square{background-color:#60a5fa;border-radius:2px;width:12px;height:12px}.bell-curve-wrap{width:100%;height:220px;margin-top:1rem;position:relative}.bell-svg{width:100%;height:100%}.user-position-marker{flex-direction:column;align-items:center;display:flex;position:absolute;top:15%;transform:translate(-50%)}.user-marker-pill{color:#fff;background-color:#2563eb;border-radius:12px;padding:.25rem .6rem;font-size:.75rem;font-weight:800;box-shadow:0 4px 10px #2563eb4d}.user-marker-line{background-color:#2563eb;border-radius:2px;width:2px;height:140px}.time-management-grid{grid-template-columns:280px 1fr;gap:1.5rem;display:grid}.time-summary-card{text-align:center;background:#fff;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;padding:1.75rem;display:flex;box-shadow:0 10px 30px #00000026}.time-speed-bar-wrap{background-color:#e2e8f0;border-radius:4px;width:110px;height:20px;margin-bottom:1.25rem;position:relative;overflow:hidden}.time-speed-fill{background-color:#48bb78;border-radius:4px;height:100%}.time-speed-target-line{background-color:#718096;width:3px;position:absolute;top:0;bottom:0;left:65%}.time-summary-title{color:#6366f1;margin-bottom:.4rem;font-size:.95rem;font-weight:800}.time-summary-big{color:#4f46e5;font-size:3.25rem;font-weight:900;line-height:1}.time-summary-sub{color:#64748b;margin-top:.5rem;font-size:.88rem;font-weight:700}.topics-time-table{border-collapse:collapse;width:100%;min-width:390px}.topics-time-table th{color:#64748b;text-align:left;border-bottom:2px solid #f1f5f9;padding:.85rem 1rem;font-size:.88rem;font-weight:800}.topics-time-table th.th-right{text-align:right}.topics-time-table td{color:#334155;border-bottom:1px solid #f1f5f9;padding:1rem;font-size:.92rem;font-weight:600}.topics-time-table tr:last-child td{border-bottom:none}.topic-pace-cell{color:#0f172a;justify-content:flex-end;align-items:center;gap:.6rem;font-weight:800;display:flex}.mini-pace-bar{background-color:#e2e8f0;border-radius:4px;width:40px;height:8px;overflow:hidden}.mini-pace-fill{border-radius:4px;height:100%}.mini-pace-fill.fast{background-color:#48bb78}.mini-pace-fill.slow{background-color:#f56565}@media (width<=900px){.score-report-grid{grid-template-columns:1fr;gap:2rem}.score-gauge-wrap{margin:0 auto}.time-management-grid{grid-template-columns:1fr;gap:1.25rem}}@media (width<=640px){.score-report-page{padding:.75rem .85rem 3rem}.score-main-title{overflow-wrap:anywhere;font-size:clamp(1.45rem,7vw,1.85rem);line-height:1.1}.score-white-card{border-radius:16px;padding:1.25rem}.card-header-row{flex-direction:column;align-items:flex-start;gap:.85rem}.btn-start-review{justify-content:center;width:100%}.score-stats-table th,.score-stats-table td{overflow-wrap:anywhere;padding:.75rem .5rem;font-size:.78rem}.score-stats-table th:first-child,.score-stats-table td:first-child{width:42%}.gauge-svg{width:200px;height:120px}.gauge-big-score{font-size:2.75rem}.time-summary-big{font-size:2.5rem}.score-section-heading{font-size:1.4rem}.score-section-subtitle{font-size:.85rem;line-height:1.4}.comparison-chart-card{padding:1rem}.bell-curve-wrap{height:180px}.user-marker-line{height:112px}.time-management-grid>.score-white-card{overflow-x:auto}.topics-time-table th,.topics-time-table td{padding:.7rem .55rem;font-size:.78rem}.topic-pace-cell{gap:.35rem}}@media (width<=380px){.score-report-page{padding-inline:.6rem}.score-top-bar{margin-bottom:1.25rem}.score-top-right{gap:.35rem}.score-upgrade-btn{padding-inline:.65rem}.score-white-card{padding:.9rem}.card-header-left{gap:.5rem}.card-pill-tag{padding-inline:.5rem;font-size:.72rem}.score-stats-table th,.score-stats-table td{padding-inline:.3rem;font-size:.7rem}.gauge-svg{width:175px;height:105px}.gauge-center-content{top:35px}.gauge-big-score{font-size:2.35rem}}.subject-details-page{box-sizing:border-box;color:#fff;width:100%;max-width:100%;min-height:100vh;font-family:var(--font-sans,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);flex-direction:column;padding:1.25rem 2rem 3.5rem;transition:background .4s;display:flex}.subject-top-bar{justify-content:space-between;align-items:center;gap:1.5rem;margin-bottom:1.75rem;display:flex}.top-bar-left{flex:1;align-items:center;gap:1rem;max-width:520px;display:flex}.subject-back-btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;cursor:pointer;background-color:#ffffff26;border:1px solid #ffffff40;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;transition:all .2s;display:flex}.subject-back-btn:hover{background-color:#ffffff47;transform:translate(-2px)}.subject-search-box{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background-color:#ffffff2e;border:1px solid #ffffff40;border-radius:20px;flex:1;align-items:center;gap:.6rem;padding:.55rem 1rem;transition:all .2s;display:flex}.subject-search-box:focus-within{background-color:#ffffff47;border-color:#ffffff80;box-shadow:0 0 0 2px #ffffff4d}.search-icon{color:#ffffffd9}.subject-search-input{color:#fff;background:0 0;border:none;outline:none;flex:1;font-size:.88rem}.subject-search-input::placeholder{color:#ffffffb3}.search-shortcut{color:#ffffffe6;-webkit-user-select:none;user-select:none;background-color:#0000002e;border-radius:6px;padding:.15rem .45rem;font-size:.72rem;font-weight:700}.top-bar-right{align-items:center;gap:.85rem;display:flex}.subject-streak-badge{color:#ffb703;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff26;border:1px solid #ffffff40;border-radius:20px;align-items:center;gap:.35rem;padding:.45rem .8rem;font-size:.85rem;font-weight:800;display:flex}.flame-icon{fill:#ffb703}.subject-upgrade-btn{color:#111318;cursor:pointer;background-color:#fff;border:none;border-radius:20px;align-items:center;gap:.4rem;padding:.45rem 1.1rem;font-size:.85rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 4px 12px #00000026}.subject-upgrade-btn:hover{background-color:#f3f4f6;transform:translateY(-1px)}.subject-premium-pill{color:#fff;letter-spacing:.5px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border:1px solid #ffffff4d;border-radius:20px;align-items:center;gap:.4rem;padding:.45rem .9rem;font-size:.75rem;font-weight:800;display:flex}.subject-bell-btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;cursor:pointer;background-color:#ffffff26;border:1px solid #ffffff40;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex;position:relative}.subject-bell-btn:hover{background-color:#ffffff47;transform:translateY(-1px)}.subject-bell-dot{color:#fff;background-color:#ef4444;border:2px solid #0003;border-radius:9999px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 4px;font-size:.65rem;font-weight:800;display:flex;position:absolute;top:-2px;right:-2px}.subject-user-avatar{color:#111318;cursor:pointer;background:#fff;border:2px solid #fff6;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:.9rem;font-weight:800;display:flex;overflow:hidden;box-shadow:0 4px 12px #00000026}.user-avatar-img{object-fit:cover;width:100%;height:100%}.subject-hero-banner{box-shadow:none;background:0 0;border-radius:0;margin-bottom:1.5rem;padding:.5rem 0 1.5rem;position:relative}.subject-hero-banner:after{content:"";pointer-events:none;background:radial-gradient(circle,#ffffff26 0%,#fff0 70%);width:450px;height:450px;position:absolute;top:-50%;right:-10%}.subject-breadcrumb{color:#fffc;align-items:center;gap:.5rem;margin-bottom:.75rem;font-size:.9rem;font-weight:600;display:flex}.bc-link{cursor:pointer;transition:color .15s}.bc-link:hover{color:#fff;text-decoration:underline}.bc-sep{opacity:.6}.bc-current{color:#fff;font-weight:700}.subject-header-row{flex-wrap:wrap;align-items:flex-end;gap:1.25rem;margin-bottom:1.5rem;display:flex}.subject-title-block{flex-direction:column;gap:.85rem;min-width:0;display:flex}.subject-title{color:#fff;letter-spacing:-.5px;margin:0;font-size:2.75rem;font-weight:900;line-height:1.1}.subject-stats-pills{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.subject-stat-skeleton{background:linear-gradient(100deg,#ffffff24 20%,#ffffff5c 40%,#ffffff24 60%) 0 0/300% 100%}.expert-avatar-skeleton{flex:none}.stat-pill{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;background-color:#ffffff2e;border:1px solid #ffffff26;border-radius:12px;align-items:center;gap:.4rem;padding:.4rem .85rem;font-size:.82rem;font-weight:700;display:flex}.subject-experts-row{align-items:center;gap:.85rem;display:flex}.experts-avatars-cluster{align-items:center;display:flex}.expert-avatar-img{object-fit:cover;background-color:#1b1e26;border:2px solid #2b6cb0;border-radius:50%;width:38px;height:38px;margin-right:-10px}.expert-avatar-img:last-child{margin-right:0}.experts-info{flex-direction:column;display:flex}.experts-label{letter-spacing:.5px;color:#ffffffb3;font-size:.68rem;font-weight:800}.experts-names{color:#fff;font-size:.95rem;font-weight:700}.subject-tabs-nav-wrap{scrollbar-width:none;border-bottom:2px solid #ffffff14;margin-bottom:2rem;overflow-x:auto}.subject-tabs-nav-wrap::-webkit-scrollbar{display:none}.subject-tabs-nav{align-items:center;gap:1.5rem;min-width:max-content;display:flex}.subject-tab-btn{color:#ffffffbf;cursor:pointer;background:0 0;border:none;outline:none;padding:.75rem .25rem 1rem;font-size:1.05rem;font-weight:700;transition:color .2s;position:relative}.subject-tab-btn:hover{color:#fff}.subject-tab-btn.active{color:#fff;font-weight:800}.tab-indicator{background-color:#fff;border-radius:3px 3px 0 0;height:3px;position:absolute;bottom:-2px;left:0;right:0;box-shadow:0 0 10px #fffc}.subject-tab-body{flex:1;min-width:0;max-width:100%}.tab-pane,.subject-notice-card,.tests-list,.qbank-grid,.tab-materials-vertical-list,.flashcards-hub-box,.reference-lesson-list{box-sizing:border-box;width:100%;min-width:0}.subject-tab-body img,.subject-tab-body video,.subject-tab-body iframe{max-width:100%}.subject-notice-card{color:#cbd5e0;background-color:#3880ff1f;border:1px solid #3880ff40;border-radius:14px;margin-bottom:1.75rem;padding:1.15rem 1.5rem;font-size:.95rem;line-height:1.55}.subject-notice-card p{margin:0}.tests-list{flex-direction:column;gap:1.1rem;display:flex}.practice-tests-empty-state{color:#aebbd0;text-align:center;background:linear-gradient(145deg,#18264ef5,#1b1f37fa);border:1px solid #3880ff40;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:.65rem;min-height:280px;padding:2.5rem 1.5rem;display:flex}.practice-tests-empty-icon{color:#9bc6ff;background:#7eb7ff24;border:1px solid #7eb7ff6b;border-radius:18px;place-items:center;width:62px;height:62px;margin-bottom:.25rem;display:grid}.practice-tests-empty-eyebrow{color:#9bc6ff;letter-spacing:.14em;font-size:.68rem;font-weight:800}.practice-tests-empty-state h3{color:#fff;margin:0;font-size:1.15rem}.practice-tests-empty-state p{color:#b6c3d8;max-width:540px;margin:0;font-size:.88rem;line-height:1.6}.practice-tests-empty-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:.65rem;margin-top:.65rem;display:flex}.practice-tests-empty-primary,.practice-tests-empty-secondary{cursor:pointer;border-radius:9px;align-items:center;gap:.45rem;padding:.65rem .9rem;font-size:.8rem;font-weight:800;display:inline-flex}.practice-tests-empty-primary{color:#fff;background:#3880ff;border:1px solid #3880ff}.practice-tests-empty-secondary{color:#e1ebfb;background:#ffffff12;border:1px solid #fff3}.test-card{background-color:#181b22;border:1px solid #ffffff14;border-radius:16px;justify-content:space-between;align-items:center;padding:1.25rem 1.75rem;transition:all .2s;display:flex}.subject-test-skeleton{pointer-events:none}.subject-test-skeleton .test-card-left{width:100%}.test-card:hover{background-color:#1f232d;border-color:#ffffff2e;box-shadow:0 4px 20px #0003}.test-card-left{flex:1;align-items:center;gap:1.5rem;display:flex}.test-number-id{color:#718096;text-align:center;width:28px;font-size:1.4rem;font-weight:800}.test-info-col{flex-direction:column;flex:1;gap:.6rem;max-width:680px;display:flex}.test-title{color:#fff;margin:0;font-size:1.15rem;font-weight:800}.test-progress-wrap{flex-direction:column;gap:.4rem;display:flex}.progress-seg{border-radius:10px;height:100%;transition:width .45s}.seg-answered{background:linear-gradient(90deg,#48bb78 0%,#38a169 100%)}.seg-incomplete{background:#4a5568;border-radius:0}.seg-correct{background-color:#48bb78}.seg-review{background-color:#ecc94b}.seg-incorrect{background-color:#f56565}.seg-empty{background-color:#2d3748}.test-tagged-text{color:#a0aec0;font-size:.8rem;font-weight:600}.test-card-right{flex-shrink:0;align-items:center;gap:1.25rem;display:flex}.test-stats-grid{align-items:flex-start;gap:1.5rem;display:flex}.test-stat-cell{flex-direction:column;align-items:center;gap:.2rem;display:flex}.tsc-label{color:#718096;text-transform:uppercase;letter-spacing:.4px;white-space:nowrap;font-size:.72rem;font-weight:600}.tsc-value{color:#fff;white-space:nowrap;font-size:.95rem;font-weight:800}.test-action-btns{align-items:center;gap:.55rem;display:flex}.test-start-btn{color:#fff;cursor:pointer;white-space:nowrap;background-color:#3880ff;border:none;border-radius:24px;padding:.62rem 1.75rem;font-size:.93rem;font-weight:800;transition:all .2s;box-shadow:0 4px 14px #3880ff59}.test-start-btn:hover{background-color:#2970e6;transform:translateY(-1px);box-shadow:0 6px 18px #3880ff73}.test-reset-btn{color:#cbd5e0;cursor:pointer;white-space:nowrap;background-color:#0000;border:1.5px solid #ffffff2e;border-radius:24px;padding:.58rem 1.35rem;font-size:.93rem;font-weight:700;transition:all .2s}.test-reset-btn:hover{color:#fff;background-color:#ffffff12;border-color:#fff6}.reset-test-backdrop{z-index:3000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#070c18b8;justify-content:center;align-items:center;padding:1.25rem;display:flex;position:fixed;inset:0}.reset-test-modal{color:#fff;background:#181b22;border:1px solid #ffffff1f;border-radius:18px;width:min(100%,430px);padding:1.6rem;box-shadow:0 24px 70px #0006}.reset-test-icon{color:#f87171;background:#ef444424;border-radius:50%;place-items:center;width:42px;height:42px;margin-bottom:1rem;display:grid}.reset-test-modal h2{margin:0 0 .55rem;font-size:1.2rem}.reset-test-modal p{color:#a0aec0;margin:0;font-size:.9rem;line-height:1.55}.reset-test-actions{justify-content:flex-end;gap:.65rem;margin-top:1.4rem;display:flex}.reset-test-cancel,.reset-test-confirm{cursor:pointer;border:0;border-radius:9px;padding:.7rem 1rem;font-weight:800}.reset-test-cancel{color:#e2e8f0;background:#2d3748}.reset-test-confirm{color:#fff;background:#dc2626}.reset-test-confirm:hover{background:#b91c1c}.test-upgrade-btn{color:#cbd5e0;cursor:pointer;background-color:#2d3748;border:1px solid #ffffff14;border-radius:24px;align-items:center;gap:.4rem;padding:.6rem 1.6rem;font-size:.9rem;font-weight:700;transition:all .2s;display:flex}.test-upgrade-btn:hover{color:#fff;background-color:#3a475d}.test-progress-bar-track{background-color:#2d3748;border-radius:10px;width:100%;max-width:480px;height:9px;display:flex;overflow:hidden}.qbank-grid{grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:1.25rem;display:grid}.empty-notes-box{color:#a8b4c5;text-align:center;background:linear-gradient(145deg,#181b22f5,#1f2634eb);border:1px solid #ffffff1a;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:.65rem;min-height:270px;padding:2.5rem 1.5rem;display:flex}.empty-notes-box h3{color:#fff;margin:0;font-size:1.1rem}.empty-notes-box p{color:#9aa8ba;max-width:480px;margin:0;font-size:.9rem;line-height:1.6}.empty-state-icon-wrap{color:#7eb7ff;background:#3880ff24;border:1px solid #3880ff59;border-radius:18px;place-items:center;width:62px;height:62px;margin-bottom:.25rem;display:grid}.empty-state-eyebrow{color:#7eb7ff;letter-spacing:.14em;font-size:.68rem;font-weight:800}.empty-state-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:.65rem;margin-top:.65rem;display:flex}.empty-state-primary-btn,.empty-state-secondary-btn{cursor:pointer;border-radius:9px;align-items:center;gap:.45rem;padding:.65rem .9rem;font-size:.8rem;font-weight:800;display:inline-flex}.empty-state-primary-btn{color:#fff;background:#3880ff;border:1px solid #3880ff}.empty-state-secondary-btn{color:#d7e4f7;background:#ffffff0f;border:1px solid #ffffff2e}.empty-state-primary-btn:hover,.empty-state-secondary-btn:hover{transform:translateY(-1px)}.qbank-card{background-color:#181b22;border:1px solid #ffffff14;border-radius:16px;flex-direction:column;gap:1.25rem;padding:1.5rem;transition:all .2s;display:flex}.qbank-card:hover{border-color:#3880ff4d;transform:translateY(-2px)}.qbank-card-header{align-items:flex-start;gap:1rem;display:flex}.qbank-topic-icon{color:#38bdf8;background-color:#262a36;border-radius:12px;place-items:center;width:44px;height:44px;padding:.5rem .65rem;display:grid}.qbank-title-wrap h4{color:#fff;margin:0 0 .3rem;font-size:1.05rem;font-weight:800}.qbank-meta{color:#a0aec0;font-size:.8rem}.qbank-progress-row{align-items:center;gap:.75rem;display:flex}.qbank-track{background-color:#2d3748;border-radius:6px;flex:1;height:8px;display:flex;overflow:hidden}.qbank-fill{background:linear-gradient(90deg,#3880ff,#38bdf8);border-radius:6px 0 0 6px;height:100%;transition:width .45s}.subject-qbank-skeleton{pointer-events:none}.qbank-incomplete{background:#4a5568;border-radius:0 6px 6px 0;height:100%;transition:width .45s}.qbank-pct{color:#38bdf8;font-size:.85rem;font-weight:800}.qbank-action-btn{color:#3880ff;cursor:pointer;background-color:#3880ff1f;border:1px solid #3880ff40;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;padding:.65rem;font-size:.9rem;font-weight:800;transition:all .2s;display:flex}.qbank-action-btn:hover{color:#fff;background-color:#3880ff}.bites-container{grid-template-columns:300px 1fr;gap:1.5rem;display:grid}.bites-sidebar-list{flex-direction:column;gap:.6rem;display:flex}.bite-nav-item{cursor:pointer;background-color:#181b22;border:1px solid #ffffff14;border-radius:12px;align-items:center;gap:.75rem;padding:.85rem 1rem;transition:all .2s;display:flex}.bite-nav-item:hover{background-color:#222632}.bite-nav-item.active{background-color:#3880ff26;border-color:#3880ff}.bite-nav-icon{color:#3880ff}.bite-nav-title{color:#fff;font-size:.88rem;font-weight:700}.bite-detail-card{background-color:#181b22;border:1px solid #ffffff1a;border-radius:16px;padding:2rem}.bite-tag{color:#3880ff;letter-spacing:.5px;margin-bottom:.5rem;font-size:.72rem;font-weight:800}.bite-topic-heading{color:#fff;margin:0 0 1.25rem;font-size:1.6rem;font-weight:900}.bite-body-box{background-color:#202430;border-radius:12px;margin-bottom:1.25rem;padding:1.25rem}.bite-summary{color:#e2e8f0;margin:0;font-size:1rem;line-height:1.6}.bite-formula-box{background-color:#f59e0b1a;border:1px solid #f59e0b40;border-radius:12px;flex-direction:column;gap:.4rem;margin-bottom:1.25rem;padding:1rem 1.25rem;display:flex}.formula-label{color:#f59e0b;font-size:.7rem;font-weight:800}.formula-code{color:#fbbf24;font-family:monospace;font-size:.95rem}.bite-takeaway-box{color:#3dc99a;align-items:center;gap:.6rem;font-size:.92rem;font-weight:700;display:flex}.video-lessons-pane{padding-top:.25rem}.reference-lesson-list{flex-direction:column;gap:1rem;display:flex}.reference-lesson-section{color:#1d2635;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 22px #102c6521}.reference-lesson-heading{align-items:center;gap:1rem;padding:1.35rem 1.5rem;display:flex}.reference-lesson-number{color:#b7bdc8;text-align:center;width:30px;font-size:1.05rem}.reference-lesson-heading-copy{flex:1;min-width:0}.reference-lesson-heading-copy h3{color:#182333;margin:0 0 .55rem;font-size:1.15rem;font-weight:800}.reference-progress-track{background:#edf0f3;border-radius:999px;height:8px;overflow:hidden}.reference-progress-track span{border-radius:inherit;background:#2f7df5;height:100%;display:block}.reference-lesson-heading-copy p{color:#8b9099;margin:.55rem 0 0;font-size:.85rem}.reference-lesson-heading-copy b{color:#c5c9ce;padding:0 .35rem}.reference-start-button{color:#fff;cursor:pointer;background:#3d83f5;border:0;border-radius:999px;flex:none;min-width:116px;padding:.75rem 1.25rem;font-size:.9rem;font-weight:800;box-shadow:0 3px #2463cc}.reference-start-button:hover{background:#286fe0}.reference-lesson-rows{border-top:1px solid #edf0f3}.reference-lesson-row{color:#273140;text-align:left;cursor:pointer;background:#fff;border:0;border-bottom:1px solid #edf0f3;align-items:center;gap:1rem;width:100%;min-height:68px;padding:.8rem 1.5rem;display:flex}.reference-lesson-row:last-child{border-bottom:0}.reference-lesson-row:hover{background:#f6f9ff}.reference-lesson-row:focus-visible{outline-offset:-3px;outline:3px solid #84b1fa}.reference-complete-dot{border:1.5px solid #cbd0d7;border-radius:50%;flex:0 0 20px;width:20px;height:20px}.reference-row-number{color:#8c929c;width:20px;font-weight:700}.reference-video-type{color:#24b8ac;border:1px solid #b8eee8;border-radius:5px;flex:none;padding:.25rem .65rem;font-size:.72rem;font-weight:800}.reference-row-thumb{object-fit:cover;border-radius:5px;flex:0 0 64px;width:64px;height:38px}.reference-row-title{color:#303946;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:.95rem;font-weight:600;overflow:hidden}.reference-row-meta{color:#9ba1aa;white-space:nowrap;font-size:.8rem}.reference-row-play{color:#3d83f5;flex:none}.videos-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;display:grid}@media (width<=720px){.reference-lesson-heading{flex-wrap:wrap;align-items:flex-start}.reference-lesson-heading-copy{flex-basis:calc(100% - 50px)}.reference-start-button{margin-left:50px}.reference-lesson-row{gap:.55rem;padding-inline:.85rem}.reference-row-meta{display:none}}.video-card{cursor:pointer;background-color:#181b22;border:1px solid #ffffff14;border-radius:16px;flex-direction:column;transition:all .2s;display:flex;overflow:hidden}.video-card:hover{border-color:#fff3;transform:translateY(-2px)}.video-card:focus-visible{outline-offset:3px;outline:3px solid #7db0ff}.video-thumbnail{background:linear-gradient(135deg,#1e293b,#0f172a) 50%/cover;justify-content:center;align-items:center;height:150px;display:flex;position:relative}.video-overlay-play{background-color:#3880ffd9;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:transform .2s;display:flex}.video-card:hover .video-overlay-play{background-color:#3880ff;transform:scale(1.1)}.video-duration{color:#fff;background-color:#000000bf;border-radius:6px;padding:.2rem .5rem;font-size:.75rem;font-weight:700;position:absolute;bottom:.6rem;right:.6rem}.video-badge-level{color:#ee6868;background-color:#ee686833;border:1px solid #ee686866;border-radius:6px;padding:.2rem .5rem;font-size:.7rem;font-weight:800;position:absolute;top:.6rem;left:.6rem}.video-content{flex-direction:column;flex:1;gap:.75rem;padding:1.15rem;display:flex}.video-title{color:#fff;margin:0;font-size:.98rem;font-weight:800;line-height:1.35}.video-meta-row{color:#a0aec0;align-items:center;gap:.4rem;font-size:.8rem;display:flex}.video-watch-btn{color:#fff;cursor:pointer;background-color:#262a36;border:none;border-radius:10px;justify-content:center;align-items:center;gap:.4rem;margin-top:auto;padding:.6rem;font-size:.85rem;font-weight:700;transition:background-color .2s;display:flex}.video-watch-btn:hover{background-color:#3880ff}.notes-list-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1rem;display:grid}.note-material-card{cursor:pointer;background-color:#181b22;border:1px solid #ffffff14;border-radius:14px;align-items:flex-start;gap:1rem;padding:1.25rem;transition:all .2s;display:flex}.note-material-card:hover{border-color:#3880ff4d;transform:translateY(-2px)}.note-card-icon{font-size:1.8rem}.note-card-info{flex-direction:column;flex:1;gap:.35rem;display:flex}.note-course-tag{color:#3880ff;text-transform:uppercase;font-size:.72rem;font-weight:800}.note-title{color:#fff;margin:0;font-size:.95rem;font-weight:800;line-height:1.3}.note-meta-row{flex-wrap:wrap;align-items:center;gap:.6rem;margin-top:.2rem;display:flex}.note-meta-item{color:#a0aec0;align-items:center;gap:.25rem;font-size:.75rem;display:flex}.note-card-actions{flex-direction:column;gap:.4rem;display:flex}.note-action-icon-btn{color:#a0aec0;cursor:pointer;background:0 0;border:1px solid #ffffff1a;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.note-action-icon-btn:hover,.note-action-icon-btn.active{color:#ee6868;border-color:#ee6868}.flashcards-cta-banner{background:linear-gradient(135deg,#1e1b4b,#312e81);border:1px solid #9b7cf44d;border-radius:20px;align-items:center;gap:1.5rem;padding:2.5rem;display:flex}.fc-cta-info h3{color:#fff;margin:0 0 .4rem;font-size:1.4rem;font-weight:800}.fc-cta-info p{color:#c7d2fe;margin:0}.fc-launch-btn{color:#fff;cursor:pointer;background-color:#6366f1;border:none;border-radius:14px;align-items:center;gap:.5rem;margin-left:auto;padding:.8rem 1.6rem;font-weight:800;transition:background-color .2s;display:flex}.fc-launch-btn:hover{background-color:#4f46e5}.performance-summary-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem;display:grid}.perf-metric-card{background-color:#181b22;border:1px solid #ffffff14;border-radius:16px;flex-direction:column;gap:.4rem;padding:1.5rem;display:flex}.perf-label{color:#a0aec0;font-size:.72rem;font-weight:800}.perf-value{color:#fff;font-size:2rem;font-weight:900}.accuracy-green{color:#48bb78}.streak-orange{color:#ff9500}.perf-sub{color:#718096;font-size:.8rem}.test-modal-card{background-color:#181b22;border:1px solid #ffffff26;border-radius:20px;flex-direction:column;gap:1.25rem;width:90%;max-width:680px;padding:1.75rem;display:flex;box-shadow:0 20px 40px #0009}.test-modal-header{justify-content:space-between;align-items:center;display:flex}.test-modal-title-row{align-items:center;gap:.5rem;display:flex}.test-modal-title-row h3{color:#fff;margin:0;font-size:1.25rem;font-weight:800}.test-modal-close{color:#a0aec0;cursor:pointer;background:0 0;border:none}.test-stepper-row{color:#a0aec0;justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:.85rem;font-weight:700;display:flex}.timer-badge{color:#ff9500;background-color:#ff95001f;border-radius:8px;padding:.2rem .6rem}.question-text{color:#fff;margin:0 0 1.25rem;font-size:1.1rem;font-weight:700;line-height:1.45}.options-list{flex-direction:column;gap:.75rem;display:flex}.option-btn{color:#e2e8f0;text-align:left;cursor:pointer;background-color:#222632;border:1px solid #ffffff1a;border-radius:12px;align-items:center;gap:.85rem;padding:.85rem 1.15rem;transition:all .2s;display:flex}.option-btn:hover{background-color:#2b3040}.option-btn.selected{color:#fff;background-color:#3880ff33;border-color:#3880ff}.option-letter{background-color:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;font-size:.8rem;font-weight:800;display:flex}.test-modal-footer{justify-content:space-between;align-items:center;margin-top:1rem;display:flex}.btn-sec-prev{color:#a0aec0;cursor:pointer;background-color:#262a36;border:none;border-radius:12px;padding:.65rem 1.25rem;font-weight:700}.btn-pri-next{color:#fff;cursor:pointer;background-color:#3880ff;border:none;border-radius:12px;padding:.65rem 1.5rem;font-weight:800}.btn-submit-test{color:#fff;cursor:pointer;background-color:#3dc99a;border:none;border-radius:12px;padding:.65rem 1.5rem;font-weight:800}.tab-materials-vertical-list{flex-direction:column;gap:1rem;display:flex}.tab-material-row-card{cursor:pointer;background-color:#181b22;border:1px solid #ffffff14;border-radius:16px;align-items:center;gap:1.25rem;padding:1.25rem 1.6rem;transition:all .2s;display:flex}.tab-material-row-card:hover{background-color:#1e222c;border-color:#3880ff59;transform:translateY(-2px);box-shadow:0 8px 24px #0000004d}.tab-mat-icon-box{color:#38bdf8;background-color:#ffffff0d;border:1px solid #ffffff14;border-radius:14px;flex:0 0 52px;justify-content:center;align-items:center;width:52px;height:52px;display:flex}.tab-mat-info-col{flex-direction:column;flex:1;gap:.4rem;display:flex}.tab-mat-badge-line{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.tab-mat-type-pill{color:#3880ff;letter-spacing:.5px;background-color:#3880ff26;border:1px solid #3880ff4d;border-radius:6px;padding:.15rem .5rem;font-size:.7rem;font-weight:900}.tab-mat-year-pill{color:#a0aec0;background-color:#ffffff14;border-radius:6px;padding:.15rem .5rem;font-size:.7rem;font-weight:700}.tab-mat-pro-pill{color:#fbbf24;background-color:#f59e0b26;border:1px solid #f59e0b4d;border-radius:6px;padding:.15rem .45rem;font-size:.68rem;font-weight:900}.tab-mat-title{color:#fff;margin:0;font-size:1.08rem;font-weight:800;line-height:1.35}.tab-mat-submeta{color:#94a3b8;flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.8rem;display:flex}.submeta-item{align-items:center;gap:.3rem;display:flex}.submeta-dot{opacity:.4}.tab-mat-actions-col{align-items:center;gap:.85rem;display:flex}.primary-actions-row{align-items:center;gap:.5rem;display:flex}.mat-btn-open{color:#fff;cursor:pointer;background-color:#3880ff;border:none;border-radius:10px;align-items:center;gap:.4rem;padding:.55rem 1.15rem;font-size:.88rem;font-weight:800;transition:all .2s;display:flex}.mat-btn-open:hover{background-color:#2970e6;transform:translateY(-1px)}.mat-btn-save{color:#e2e8f0;cursor:pointer;background-color:#262a36;border:1px solid #ffffff1a;border-radius:10px;align-items:center;gap:.4rem;padding:.55rem 1rem;font-size:.88rem;font-weight:700;transition:all .2s;display:flex}.mat-btn-save:hover{color:#fff;background-color:#313646}.mat-btn-save.saved{color:#3dc99a;background-color:#3dc99a1f;border-color:#3dc99a66}.secondary-actions-row{align-items:center;gap:.35rem;display:flex}.mat-utility-icon-btn{color:#a0aec0;cursor:pointer;background-color:#262a36;border:1px solid #ffffff1a;border-radius:10px;justify-content:center;align-items:center;width:34px;height:34px;transition:all .2s;display:flex}.mat-utility-icon-btn:hover{color:#fff;background-color:#313646}.mat-utility-icon-btn.bookmarked{color:#ee6868;background-color:#ee68681f;border-color:#ee686866}@media (width<=900px){.subject-details-page{padding:1rem 1.25rem 3rem}.subject-top-bar{gap:1rem;margin-bottom:1.25rem}.top-bar-left{max-width:100%}.subject-title{font-size:2.2rem}.qbank-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}}@media (width<=640px){.subject-details-page{padding:.75rem .85rem 2.5rem}.subject-top-bar{flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:.5rem;width:100%;margin-bottom:1.15rem}.top-bar-left{flex:none;width:auto}.subject-search-box{display:none}.top-bar-right{flex:none;justify-content:flex-end;align-items:center;gap:.45rem;padding-top:0;display:flex}.subject-back-btn{width:36px;height:36px}.subject-streak-badge{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff2e;border-radius:18px;padding:.35rem .65rem;font-size:.8rem}.subject-upgrade-btn{color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff38;border:1px solid #ffffff59;border-radius:18px;padding:.35rem .75rem;font-size:.8rem}.subject-bell-btn,.subject-user-avatar{width:34px;height:34px}.subject-hero-banner{margin-bottom:1rem;padding:.25rem 0 1rem}.subject-breadcrumb{margin-bottom:.5rem;font-size:.8rem}.subject-header-row{flex-direction:column;align-items:flex-start;gap:.5rem;margin-bottom:.85rem}.subject-title{font-size:1.65rem;line-height:1.2}.subject-stats-pills{gap:.4rem}.stat-pill{border-radius:8px;padding:.3rem .6rem;font-size:.75rem}.subject-experts-row{gap:.65rem}.expert-avatar-img{width:30px;height:30px;margin-right:-8px}.experts-label{font-size:.62rem}.experts-names{font-size:.82rem}.subject-tabs-nav-wrap{margin-bottom:1.25rem;padding-bottom:2px}.subject-tabs-nav{gap:.85rem}.subject-tab-btn{padding:.5rem .15rem .65rem;font-size:.9rem}.subject-notice-card{border-radius:12px;margin-bottom:1.25rem;padding:.85rem 1rem;font-size:.85rem}.tests-list{gap:.85rem}.test-card{border-radius:14px;flex-direction:column;align-items:stretch;gap:.85rem;padding:1rem}.test-card-left{gap:.75rem;width:100%}.test-number-id{width:22px;font-size:1.15rem}.test-title{font-size:1rem}.test-progress-bar-track{max-width:100%;height:6px}.test-card-right{width:100%}.test-start-btn,.test-upgrade-btn{text-align:center;justify-content:center;width:100%;padding:.6rem 1rem;font-size:.9rem}.qbank-grid{grid-template-columns:1fr;gap:.85rem}.qbank-card{border-radius:14px;gap:1rem;padding:1.1rem}.qbank-topic-icon{width:40px;height:40px}.qbank-title-wrap h4{font-size:.98rem}.qbank-action-btn{width:100%;padding:.6rem;font-size:.85rem}.tab-material-row-card{border-radius:14px;flex-direction:column;align-items:flex-start;gap:.85rem;padding:1rem}.tab-mat-actions-col{justify-content:space-between;gap:.5rem;width:100%}.primary-actions-row{flex:1;gap:.4rem}.mat-btn-open,.mat-btn-save{flex:1;justify-content:center;padding:.5rem .6rem;font-size:.8rem}.videos-grid{grid-template-columns:1fr;gap:.85rem}.video-card{border-radius:14px}.video-thumbnail{height:140px}.flashcards-cta-banner{border-radius:16px;flex-direction:column;align-items:flex-start;gap:1rem;padding:1.25rem}.fc-launch-btn{justify-content:center;width:100%;padding:.65rem 1rem}}@media (width<=420px){.subject-details-page{padding:.5rem .65rem 2rem}.subject-top-bar{align-items:flex-start}.top-bar-right{flex-wrap:wrap;max-width:calc(100% - 45px)}.subject-upgrade-btn span,.subject-premium-pill span,.subject-streak-badge .streak-count{display:none}.subject-upgrade-btn,.subject-streak-badge{justify-content:center;width:34px;height:34px;padding:0}.subject-title{overflow-wrap:anywhere;max-width:100%}.subject-stats-pills{width:100%}.stat-pill{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.subject-title{font-size:1.45rem}.subject-tab-btn{font-size:.85rem}.test-title{font-size:.95rem}.test-card-left{align-items:flex-start}.test-info-col,.test-card-right,.test-action-btns,.test-stats-grid{box-sizing:border-box;width:100%;min-width:0}.test-card-right{flex-direction:column;align-items:stretch;gap:.75rem;display:flex}.test-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem;display:grid}.test-action-btns{flex-wrap:wrap;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;display:grid}.test-action-btns button{box-sizing:border-box;width:100%;min-width:0;padding-inline:.5rem}.tab-mat-actions-col,.primary-actions-row,.secondary-actions-row{flex-wrap:wrap}.primary-actions-row{width:100%}.mat-btn-open,.mat-btn-save{min-width:0}.reference-lesson-heading{gap:.65rem;padding:1rem}.reference-lesson-heading-copy h3{overflow-wrap:anywhere;font-size:1rem}.reference-start-button{width:calc(100% - 38px);margin-left:38px}.reference-lesson-row{min-height:58px;padding:.65rem}.reference-row-number{width:auto}.reference-video-type{display:none}.reference-row-thumb{flex-basis:48px;width:48px;height:30px}.reference-row-title{white-space:normal;overflow-wrap:anywhere;font-size:.8rem}.reference-row-play{width:14px}.fc-cta-info h3,.fc-cta-info p{overflow-wrap:anywhere}.mat-btn-open span,.mat-btn-save span{font-size:.78rem}}@media (width<=360px){.subject-details-page{padding-inline:.45rem}.subject-top-bar{gap:.3rem}.top-bar-right{gap:.25rem}.subject-back-btn,.subject-bell-btn,.subject-user-avatar,.subject-upgrade-btn,.subject-streak-badge{width:30px;height:30px}.subject-title{font-size:1.3rem}.subject-tabs-nav{gap:.7rem}.subject-tab-btn{font-size:.78rem}.subject-notice-card{padding:.75rem;font-size:.78rem}.test-card,.qbank-card,.tab-material-row-card{padding:.75rem}.qbank-card-header{align-items:flex-start}.qbank-title-wrap h4{overflow-wrap:anywhere}.test-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.4rem;display:grid}.test-action-btns{gap:.5rem;width:100%}.test-action-btns .test-reset-btn,.test-action-btns .test-start-btn{flex:1 1 0;min-width:0;padding-inline:.5rem}.tsc-label,.tsc-value{font-size:.72rem}.reference-lesson-number{width:20px}.reference-complete-dot{flex-basis:16px;width:16px;height:16px}}.dat-cbt-overlay{z-index:99999;color:#fff;-webkit-user-select:none;user-select:none;background-color:#0d568c;flex-direction:column;width:100%;height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;display:flex;position:fixed;inset:0;overflow:hidden}.dat-cbt-overlay input,.dat-cbt-overlay textarea,.dat-cbt-overlay [contenteditable=true]{-webkit-user-select:text;user-select:text}.dat-results-overlay{display:block;overflow:hidden auto}.dat-screen-wrap{flex-direction:column;width:100%;height:100%;min-height:0;display:flex}.dat-cbt-header{background-color:#0b4570;border-bottom:2px solid #072e4b;flex-shrink:0;justify-content:space-between;align-items:center;height:64px;padding:0 1.75rem;display:flex}.dat-header-left,.dat-header-right{align-items:center;gap:1rem;min-width:220px;display:flex}.dat-header-right{justify-content:flex-end}.dat-close-btn{color:#fff;cursor:pointer;background-color:#ffffff26;border:1px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;transition:all .2s;display:flex}.dat-close-btn:hover{background-color:#ffffff4d;transform:scale(1.05)}.dat-question-counter,.dat-timer-text{letter-spacing:.3px;color:#fff;font-size:1.05rem;font-weight:700}.dat-header-center{text-align:center}.dat-brand-title{color:#fff;letter-spacing:.5px;font-size:1.1rem;font-weight:800}.dat-exam-title{color:#ffffffe6;font-size:.95rem;font-weight:600}.dat-cbt-body{flex-direction:column;flex:1;justify-content:center;align-items:center;min-height:0;padding:1rem 1.5rem;display:flex;overflow-y:auto}.dat-instruction-card,.dat-question-card{color:#111;background-color:#fff;border:3px solid #111;border-radius:2px;width:100%;max-width:1060px;margin-bottom:.75rem;padding:1.25rem 2rem;box-shadow:0 6px 18px #0003}.dat-inst-heading{color:#111;margin-top:0;margin-bottom:.85rem;font-size:1.1rem;font-weight:800;line-height:1.4}.dat-custom-instructions{white-space:pre-wrap;color:#334155;background:#f8fafc;border-left:3px solid #2563eb;margin:0 0 .9rem;padding:.75rem .9rem;font-size:.95rem;line-height:1.6}.dat-enabled-settings{color:#334155;background:#eff6ff;border-radius:8px;margin:0 0 1rem;padding:.75rem .9rem;font-size:.88rem}.dat-enabled-settings strong{color:#1d4ed8}.dat-enabled-settings ul{margin:.4rem 0 0;padding-left:1.2rem}.dat-enabled-settings li{margin-top:.2rem}.dat-results-hidden-card{color:#111;text-align:center;background:#fff;border:2px solid #111;max-width:560px;margin:auto;padding:2rem;box-shadow:0 6px 18px #0003}.dat-results-hidden-card h2{margin:0 0 .75rem}.dat-results-hidden-card p{color:#475569;margin:0 0 1.25rem}.dat-inst-list{color:#222;margin-bottom:.85rem;padding-left:1.5rem;font-size:.97rem;line-height:1.65}.dat-inst-list li{margin-bottom:.25rem}.dat-inst-footer-text{color:#555;border-top:1px solid #e5e7eb;margin-top:.85rem;padding-top:.7rem;font-size:.9rem;font-weight:800}.dat-settings-container{width:100%;max-width:1060px}.dat-settings-heading{color:#fff;margin-top:0;margin-bottom:.6rem;font-size:1rem;font-weight:800}.dat-setting-item{color:#1e293b;background-color:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;align-items:center;gap:1rem;margin-bottom:.6rem;padding:.85rem 1.25rem;display:flex;box-shadow:0 2px 8px #00000014}.dat-setting-label{color:#334155;font-size:.9rem;line-height:1.45}.dat-switch{flex-shrink:0;width:52px;height:28px;display:inline-block;position:relative}.dat-switch input{opacity:0;width:0;height:0}.dat-slider{cursor:pointer;background-color:#cbd5e1;border-radius:34px;transition:all .3s;position:absolute;inset:0}.dat-slider:before{content:"";background-color:#fff;border-radius:50%;width:22px;height:22px;transition:all .3s;position:absolute;bottom:3px;left:3px;box-shadow:0 2px 4px #0003}input:checked+.dat-slider{background-color:#2563eb}input:checked+.dat-slider:before{transform:translate(24px)}.dat-category-title{color:#444;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid #e5e7eb;margin-top:0;margin-bottom:.75rem;padding-bottom:.6rem;font-size:1rem;font-weight:800}.dat-question-text{color:#111;margin-bottom:1.1rem;font-size:1.05rem;font-weight:600;line-height:1.6}.dat-options-group{flex-direction:column;gap:.45rem;margin-bottom:0;display:flex}.dat-theory-answer{color:#111;box-sizing:border-box;flex-direction:column;align-items:stretch;gap:.55rem;width:100%;min-width:0;margin:0 0 .75rem;font-size:.95rem;font-weight:700;display:flex}.dat-theory-answer textarea{color:#111827;width:100%;min-width:0;max-width:100%;min-height:clamp(132px,24vh,220px);font:inherit;resize:vertical;box-sizing:border-box;background:#fff;border:1px solid #94a3b8;border-radius:8px;padding:.8rem .9rem;font-size:16px;font-weight:400;line-height:1.5;display:block}.dat-theory-answer textarea:focus{outline-offset:1px;border-color:#0b4570;outline:2px solid #0b4570}.dat-theory-answer small{color:#64748b;font-size:.8rem;font-weight:400;line-height:1.45;display:block}.dat-radio-option{cursor:pointer;color:#111;border:1px solid #0000;border-radius:6px;align-items:center;gap:.75rem;padding:.55rem .85rem;font-size:1rem;transition:background-color .15s;display:flex}.dat-radio-option:hover{background-color:#f1f5f9}.dat-radio-option.selected{background-color:#e0f2fe;border-color:#0b4570;font-weight:700}.dat-radio-option input[type=radio]{cursor:pointer;accent-color:#0b4570;width:18px;height:18px}.dat-cbt-footer{height:64px;padding:0 1.25rem;padding-bottom:env(safe-area-inset-bottom,0px);background-color:#0b4570;border-top:2px solid #072e4b;flex-shrink:0;justify-content:center;align-items:center;display:flex}.dat-cbt-footer:not(.dat-footer-nav):not(.dat-footer-controls){justify-content:center}.dat-footer-nav{justify-content:space-between;align-items:center;gap:.75rem;padding:0 1.5rem;display:flex}.dat-q-counter-badge{color:#fff;letter-spacing:.5px;white-space:nowrap;-webkit-user-select:none;user-select:none;font-size:1rem;font-weight:900}.dat-footer-controls{justify-content:center}.dat-footer-controls .dat-footer-btn-row{width:100%}.dat-footer-btn-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:1rem;display:flex}.dat-action-chip{color:#ffffffe6;cursor:pointer;white-space:nowrap;background-color:#ffffff1f;border:1px solid #ffffff40;border-radius:20px;align-items:center;gap:.35rem;padding:.3rem .75rem;font-size:.78rem;font-weight:700;transition:all .15s;display:flex}.dat-action-chip:hover{background-color:#ffffff38;border-color:#fff6}.dat-action-chip.chip-marked{color:#fff;background-color:#e11d4859;border-color:#e11d48}.dat-3d-btn{color:#fff;letter-spacing:1px;cursor:pointer;text-align:center;text-transform:uppercase;-webkit-user-select:none;user-select:none;background:linear-gradient(#2b84c8 0%,#0c4d7d 100%);border:1px solid #1b6dae;border-radius:4px;justify-content:center;align-items:center;gap:.3rem;min-width:90px;padding:.5rem 1.5rem;font-size:.88rem;font-weight:800;transition:all .15s;display:inline-flex;box-shadow:inset 0 1px #ffffff80,0 3px 6px #0006}.dat-btn-prev{opacity:.85}.dat-btn-prev:not(:disabled):hover{opacity:1}.dat-btn-next{background:linear-gradient(#3795db 0%,#0e5a95 100%);box-shadow:inset 0 1px #fff9,0 4px 10px #00000073}.dat-nav-label{align-items:center;gap:.2rem;display:inline-flex}.dat-3d-btn:disabled{box-shadow:none;opacity:.45;cursor:not-allowed;background:linear-gradient(#6b7280 0%,#4b5563 100%);border-color:#374151;transform:none}.dat-3d-btn:not(:disabled):hover{background:linear-gradient(#3795db 0%,#105a91 100%);transform:translateY(-1px);box-shadow:inset 0 1px #fff9,0 4px 10px #00000080}.dat-3d-btn:not(:disabled):active{transform:translateY(1px);box-shadow:inset 0 2px 4px #0006}.dat-3d-btn.active-marked{background:linear-gradient(#e11d48 0%,#9f1239 100%);border-color:#be123c}.dat-3d-btn.dat-btn-submit{background:linear-gradient(#16a34a 0%,#15803d 100%);border-color:#15803d}.btn-underline{text-underline-offset:3px;text-decoration:underline}.dat-review-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:1rem;margin-top:1.5rem;display:grid}.dat-review-box{cursor:pointer;background-color:#f8fafc;border:2px solid #cbd5e1;border-radius:8px;flex-direction:column;align-items:center;gap:.4rem;padding:1rem;transition:all .2s;display:flex}.dat-review-box:hover{background-color:#eff6ff;border-color:#0b4570;transform:translateY(-2px)}.dat-review-box.ans{background-color:#f0fdf4;border-color:#16a34a}.dat-review-box.mrk{border-color:#e11d48}.rev-num{color:#1e293b;font-size:1.1rem;font-weight:800}.rev-status{color:#64748b;font-size:.85rem;font-weight:600}.rev-flag{color:#e11d48;font-size:.75rem;font-weight:800}.dat-score-summary-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem;display:grid}.score-stat-box{background-color:#f1f5f9;border-radius:12px;flex-direction:column;align-items:center;gap:.5rem;padding:1.5rem;display:flex}.stat-label{color:#64748b;font-size:.9rem;font-weight:700}.stat-value{color:#0b4570;font-size:2.25rem;font-weight:900}.dat-exhibit-backdrop{z-index:100000;background-color:#000000a6;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}.dat-exhibit-modal{color:#111;background-color:#fff;border:3px solid #111;border-radius:12px;width:100%;max-width:750px;overflow:hidden;box-shadow:0 20px 40px #0006}.exhibit-modal-header{color:#fff;background-color:#0b4570;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.exhibit-modal-header h4{margin:0;font-size:1.1rem;font-weight:800}.exhibit-modal-body{max-height:70vh;padding:1.5rem 2rem;overflow-y:auto}.periodic-mini-grid{grid-template-columns:repeat(6,1fr);gap:.5rem;margin-top:1rem;display:grid}.periodic-mini-grid span{text-align:center;color:#1e293b;background-color:#f1f5f9;border:1px solid #cbd5e1;border-radius:4px;padding:.5rem;font-size:.8rem;font-weight:700}.exhibit-modal-footer{background-color:#f8fafc;border-top:1px solid #e2e8f0;justify-content:flex-end;padding:1rem 1.5rem;display:flex}@media (width<=900px){.dat-cbt-header{height:56px;padding:0 1rem}.dat-header-left,.dat-header-right{min-width:unset;gap:.5rem}.dat-header-right{gap:.4rem}.dat-brand-title{font-size:.9rem}.dat-exam-title{font-size:.78rem}.dat-instruction-card,.dat-question-card{padding:1rem 1.25rem}.dat-settings-container{padding:0}}@media (width<=640px){.dat-cbt-overlay{font-size:15px}.dat-cbt-header{flex-wrap:wrap;align-items:flex-start;gap:.4rem;height:auto;min-height:52px;padding:.5rem .75rem}.dat-header-left{min-width:unset;flex:1;order:1}.dat-header-center{text-align:center;border-top:1px solid #ffffff26;flex:0 0 100%;order:2;padding-top:.4rem}.dat-header-right{flex-wrap:wrap;flex:1;order:3;justify-content:flex-end;gap:.3rem}.dat-brand-title{font-size:.8rem}.dat-exam-title{font-size:.72rem}.dat-timer-text{font-size:.85rem}.dat-action-chip{padding:.25rem .55rem;font-size:.7rem}.dat-cbt-body{justify-content:flex-start;padding:.65rem .75rem}.dat-instruction-card,.dat-question-card{border-width:2px;margin-bottom:.5rem;padding:.9rem 1rem}.dat-inst-heading{margin-bottom:.6rem;font-size:.95rem}.dat-inst-list{margin-bottom:.6rem;font-size:.88rem;line-height:1.55}.dat-inst-footer-text{margin-top:.6rem;padding-top:.5rem;font-size:.82rem}.dat-settings-heading{margin-bottom:.4rem;font-size:.88rem}.dat-setting-item{border-radius:8px;gap:.75rem;margin-bottom:.4rem;padding:.7rem .9rem}.dat-setting-label{font-size:.8rem;line-height:1.4}.dat-switch{width:44px;height:24px}.dat-slider:before{width:18px;height:18px;bottom:3px;left:3px}input:checked+.dat-slider:before{transform:translate(20px)}.dat-category-title{margin-bottom:.55rem;padding-bottom:.45rem;font-size:.78rem}.dat-question-text{margin-bottom:.75rem;font-size:.9rem;line-height:1.5}.dat-options-group{gap:.35rem}.dat-theory-answer{gap:.45rem;margin-bottom:.5rem;font-size:.9rem}.dat-theory-answer textarea{min-height:132px;padding:.75rem}.dat-theory-answer small{font-size:.76rem}.dat-radio-option{gap:.6rem;padding:.5rem .7rem;font-size:.88rem}.dat-cbt-footer{height:auto;min-height:60px;padding:.45rem .75rem calc(.65rem + env(safe-area-inset-bottom,0px))}.dat-footer-controls{height:auto;min-height:56px;padding:.45rem .75rem}.dat-footer-controls .dat-footer-btn-row{flex-direction:column;gap:.35rem}.dat-footer-controls .dat-3d-btn{width:min(100%,240px)}.dat-footer-nav{min-height:60px;padding:.35rem .75rem calc(.55rem + env(safe-area-inset-bottom,0px));gap:.7rem}.dat-footer-nav .dat-3d-btn{transform:translateY(-2px)}.dat-q-counter-badge{font-size:.85rem}.dat-3d-btn{letter-spacing:.5px;min-width:70px;padding:.45rem 1rem;font-size:.78rem}.dat-review-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:.6rem;margin-top:.75rem}.dat-review-box{gap:.2rem;padding:.6rem .4rem}.rev-num{font-size:.9rem}.rev-status{font-size:.72rem}.rev-flag{font-size:.65rem}.dat-score-summary-grid{grid-template-columns:1fr;gap:.75rem;margin-top:1rem}.stat-value{font-size:1.75rem}.dat-exhibit-backdrop{padding:.75rem}.exhibit-modal-body{max-height:60vh;padding:1rem}.periodic-mini-grid{grid-template-columns:repeat(3,1fr)}}@media (width<=380px){.dat-action-chip{display:none}.dat-cbt-header .dat-header-right .dat-action-chip:first-child{display:flex}.dat-3d-btn{min-width:60px;padding:.4rem .75rem;font-size:.72rem}.dat-footer-nav{gap:.55rem;min-height:64px;padding-inline:.5rem}.dat-footer-nav .dat-3d-btn{min-width:68px;padding-inline:.55rem}.dat-q-counter-badge{font-size:.78rem}}.test-subjects-page{color:#263746;background:#e9eff3;min-height:100%;padding:28px clamp(20px,4vw,58px) 56px}.test-subjects-hero{background:#f7fafb;border:1px solid #d2dde5;border-radius:24px;align-items:center;gap:18px;max-width:1180px;margin:0 auto;padding:clamp(24px,4vw,42px);display:flex;box-shadow:0 16px 42px #314c5e1f}.test-subjects-back{color:#43627a;cursor:pointer;background:#e2ebf1;border:1px solid #c7d5df;border-radius:12px;flex:none;place-items:center;width:40px;height:40px;display:grid}.test-subjects-hero-copy{flex:1}.test-subjects-eyebrow,.test-subjects-section-kicker{color:#527b98;letter-spacing:.14em;font-size:.68rem;font-weight:800}.test-subjects-hero h1{color:#263746;letter-spacing:-.035em;margin:8px 0 7px;font-size:clamp(1.65rem,3vw,2.45rem)}.test-subjects-hero p{color:#607587;max-width:620px;margin:0;line-height:1.55}.test-subjects-hero-icon{color:#527b98;background:#e4edf2;border-radius:20px;flex:none;place-items:center;width:64px;height:64px;display:grid}.test-overview-strip{flex-wrap:wrap;gap:12px 28px;max-width:1180px;margin:18px auto 0;padding:14px 4px;display:flex}.test-overview-item{color:#607587;align-items:center;gap:9px;font-size:.85rem;display:flex}.test-overview-item svg{color:#527b98}.test-overview-item strong{color:#263746;margin-right:3px}.test-subjects-refresh-note{color:#d3bd91;background:#d6b06614;border:1px solid #d6b06640;border-radius:10px;max-width:1180px;margin:8px auto 0;padding:10px 13px;font-size:.8rem}.test-subjects-section{max-width:1180px;margin:28px auto 0}.test-subjects-section-head{justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px;display:flex}.test-subjects-section-head h2{color:#263746;letter-spacing:-.02em;margin:6px 0 0;font-size:1.25rem}.test-subjects-section-head>svg{color:#527b98}.test-subjects-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;display:grid}.test-subject-card{background:#fff;border:1px solid #d1dde4;border-radius:18px;flex-direction:column;min-height:270px;padding:20px;transition:transform .16s,border-color .16s;display:flex;box-shadow:0 8px 22px #314c5e1a}.test-subject-card:hover{border-color:#9dbbd0;transform:translateY(-2px)}.test-subject-card-top{justify-content:space-between;align-items:start;display:flex}.test-subject-card-icon{border-radius:13px;place-items:center;width:44px;height:44px;display:grid}.test-subject-tone-0{color:#91b8d7;background:#243a4b}.test-subject-tone-1{color:#8fc5b4;background:#203a37}.test-subject-tone-2{color:#d2bb83;background:#3a3426}.test-subject-tone-3{color:#b4b5d2;background:#303148}.test-subject-card-index{color:#8a9baa;letter-spacing:.08em;font-size:.72rem;font-weight:800}.test-subject-card h3{color:#263746;margin:19px 0 5px;font-size:1.08rem}.test-subject-card-meta{color:#6c7f8e;margin:0;font-size:.78rem}.test-subject-stat-row{color:#6c7f8e;justify-content:space-between;gap:10px;margin-top:20px;font-size:.76rem;display:flex}.test-subject-stat-row strong{color:#334c5e;font-weight:700}.test-subject-progress-label{color:#718493;justify-content:space-between;margin-top:16px;font-size:.73rem;display:flex}.test-subject-progress-label strong{color:#334c5e}.test-subject-progress-track{background:#dfe8ed;border-radius:99px;height:6px;margin-top:7px;overflow:hidden}.test-subject-progress-fill{border-radius:inherit;background:#78b5a4;height:100%}.test-subject-best{color:#c9b27e;align-items:center;gap:5px;margin-top:12px;font-size:.74rem;display:flex}.test-subject-primary{color:#eaf3fa;cursor:pointer;background:#31536c;border:1px solid #6f9abb;border-radius:10px;justify-content:center;align-items:center;gap:7px;width:100%;margin-top:auto;padding:10px 13px;font-size:.8rem;font-weight:800;display:flex}.test-subject-primary:hover{background:#3b6682}@media (width<=900px){.test-subjects-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=620px){.test-subjects-page{padding:16px 14px 40px}.test-subjects-hero{align-items:flex-start;padding:22px 18px}.test-subjects-hero-icon{display:none}.test-subjects-grid{grid-template-columns:1fr}.test-overview-strip{gap:11px 18px}}.tutorials-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));gap:1.5rem;display:grid}.tutorials-screen{flex-direction:column;gap:1.35rem;max-width:1150px;margin:0 auto;padding-bottom:4rem;display:flex}.tutorials-header{border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;gap:1.5rem;padding:1.35rem 1.5rem;display:flex}.tutorials-heading{align-items:center;gap:.9rem;min-width:0;display:flex}.tutorials-back-btn,.tutorials-heading-icon{border-radius:13px;flex:none;justify-content:center;align-items:center;width:42px;height:42px;display:inline-flex}.tutorials-back-btn{color:var(--color-text-sub);background:var(--color-raised);border:1px solid var(--color-border);cursor:pointer}.tutorials-heading-icon{color:#fff;background:var(--color-accent);box-shadow:0 7px 18px #e8692a33}.tutorials-eyebrow,.tutorials-results-head,.tutorials-thumb-label{letter-spacing:.12em;font-size:.68rem;font-weight:850}.tutorials-eyebrow{color:var(--color-accent);margin-bottom:.25rem}.tutorials-header h1{color:var(--color-text);font-family:serif;font-size:clamp(1.45rem,2.2vw,1.9rem);line-height:1.1}.tutorials-header h1 span{color:var(--color-accent)}.tutorials-subtitle{color:var(--color-text-sub);margin-top:.35rem;font-size:.82rem}.tutorials-summary{color:var(--color-text-sub);flex-direction:column;flex:none;align-items:flex-end;font-size:.75rem;display:flex}.tutorials-summary strong{color:var(--color-text);font-size:1.45rem;line-height:1}.tutorials-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.tutorials-toolbar .filter-tabs{flex-wrap:wrap;gap:.45rem;display:flex}.tutorials-toolbar .filter-tab-btn{border-radius:13px;min-height:34px;padding:.45rem .9rem}.tutorials-search{border:1px solid var(--color-border);background:var(--color-surface);width:min(100%,280px);min-height:38px;box-shadow:var(--shadow-sm);border-radius:14px;align-items:center;gap:.6rem;padding:.55rem .85rem;display:flex}.tutorials-search:focus-within{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-dim)}.tutorials-search .search-icon{color:var(--color-text-mute);flex:none}.tutorials-search input{width:100%;min-width:0;color:var(--color-text);font:inherit;background:0 0;border:0;outline:0;padding:0;font-size:.82rem}.tutorials-search input::placeholder{color:var(--color-text-mute)}.tutorials-search input:focus{outline:0}.tutorials-results-head{color:var(--color-text-mute);justify-content:space-between;align-items:center;margin:.2rem 0 -.55rem;display:flex}.tutorials-results-head>div{color:var(--color-text-sub);align-items:center;gap:.55rem;display:flex}.tutorials-section-line{background:var(--color-accent);border-radius:3px;width:24px;height:3px}.tutorial-card{background:var(--color-surface);border:1px solid var(--color-border);cursor:pointer;min-width:0;box-shadow:var(--shadow-sm);border-radius:18px;flex-direction:column;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex;position:relative;overflow:hidden}.tutorial-card:hover{border-color:var(--color-border-hi);transform:translateY(-5px);box-shadow:0 16px 32px #0f172a1f}.tutorial-thumb{aspect-ratio:16/9;border-bottom:1px solid var(--color-border);background:linear-gradient(145deg,#172b4d 0%,#265b7c 48%,#d46a46 100%);justify-content:center;align-items:center;min-height:160px;display:flex;position:relative}.tutorial-thumb:after{content:"";background:linear-gradient(#070c160d 20%,#070c16b8 100%);position:absolute;inset:0}.tutorial-thumb-pattern{opacity:.55;background-image:linear-gradient(135deg,#0000 45%,#ffffff38 46%,#0000 48%),linear-gradient(45deg,#0000 58%,#ffffff29 59%,#0000 61%);background-size:34px 34px,42px 42px;position:absolute;inset:0}.tutorial-thumb-label{color:var(--color-text-sub);letter-spacing:.08em;z-index:1;align-items:center;gap:.35rem;display:inline-flex;position:absolute;top:.8rem;left:.85rem}.tutorial-play-btn{z-index:1;background:var(--color-dark-pill);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:58px;height:58px;transition:all .2s;display:flex;position:relative;box-shadow:0 8px 24px #00000047}.tutorial-card:hover .tutorial-play-btn{background:var(--color-dark-pill-hover);transform:scale(1.08)}.tutorial-premium-badge{background-color:var(--color-gold-dim);color:var(--color-gold);border:1px solid #d9770640;border-radius:9999px;align-items:center;gap:.25rem;padding:.3rem .65rem;font-size:.7rem;font-weight:800;display:flex;position:absolute;top:.75rem;right:.75rem}.tutorial-thumb-bottom{z-index:1;color:#ffffffc7;letter-spacing:.08em;justify-content:space-between;font-size:.62rem;font-weight:800;display:flex;position:absolute;bottom:.75rem;left:.8rem;right:.8rem}.tutorial-content{flex-direction:column;flex:1;gap:.55rem;padding:1rem 1.1rem 1.1rem;display:flex}.tutorial-card-topline,.tutorial-footer,.tutorial-footer-meta{align-items:center;display:flex}.tutorial-card-topline,.tutorial-footer{justify-content:space-between}.tutorial-course-code{color:var(--color-accent);letter-spacing:.1em;font-size:.68rem;font-weight:850}.tutorial-course-name{color:var(--color-text-sub);text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;overflow:hidden}.tutorial-description{-webkit-line-clamp:2;line-clamp:2;color:var(--color-text-mute);-webkit-box-orient:vertical;min-height:2.15em;font-size:.76rem;line-height:1.4;display:-webkit-box;overflow:hidden}.tutorial-footer-meta{gap:.55rem;min-width:0}.tutorial-duration{color:var(--color-text-mute);align-items:center;gap:.25rem;font-size:.7rem;display:inline-flex}.tutorial-card .card-action-btn{border-radius:8px;align-items:center;gap:.35rem;padding:.42rem .65rem;display:inline-flex}.tutorial-card .bookmark-card-btn{color:var(--color-text-mute);cursor:pointer;background:0 0;border:0}.tutorial-card .bookmark-card-btn.active{color:var(--color-accent)}.tutorials-empty{border-radius:17px;min-height:300px}@media (width<=720px){.tutorials-screen{gap:1rem;padding-bottom:2rem}.tutorials-header{align-items:flex-start;padding:1rem}.tutorials-summary{display:none}.tutorials-heading{align-items:flex-start}.tutorials-heading-icon{display:none}.tutorials-header h1{font-size:1.45rem}.tutorials-subtitle{line-height:1.4}.tutorials-toolbar{align-items:stretch}.tutorials-toolbar .filter-tabs,.tutorials-search{width:100%}.tutorials-search{min-height:44px}.tutorials-toolbar .filter-tabs{flex-wrap:nowrap;padding-bottom:.15rem;overflow-x:auto}.tutorials-toolbar .filter-tab-btn{flex:none}.tutorials-grid{grid-template-columns:1fr;gap:1rem}.tutorial-thumb{min-height:155px}}.tutorial-title{min-height:2.7em;color:var(--color-text);-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;font-size:1.02rem;font-weight:800;line-height:1.35;display:-webkit-box;overflow:hidden}.tutorial-footer{align-items:center;gap:.5rem;margin-top:.25rem;display:flex}.video-course-screen{color:#f6f7fa;background:#101010;min-height:100vh;display:flex}.video-course-sidebar{background:#121212;border-right:1px solid #292929;flex-direction:column;flex:0 0 350px;width:350px;padding:1rem .75rem 0;display:flex;overflow:hidden}.video-course-sidebar-actions{justify-content:space-between;margin-bottom:1.5rem;display:flex}.video-course-sidebar-actions button,.video-course-topbar button{color:#fff;cursor:pointer;background:#282828;border:0;border-radius:50%;place-items:center;width:48px;height:48px;display:grid}.video-course-subject{color:#a3a3a3;font-size:1rem}.video-course-sidebar h1{margin:.25rem 0 1.2rem;font-size:1.35rem;line-height:1.25}.video-course-progress{background:#242424;border-radius:999px;height:8px;overflow:hidden}.video-course-progress span{background:#6fca70;height:100%;display:block}.video-course-progress-label{color:#ddd;margin:.65rem 0 1.35rem;font-weight:700}.video-course-sidebar-tabs{background:#292929;border-radius:10px;grid-template-columns:repeat(3,1fr);gap:.2rem;padding:.3rem;display:grid}.video-course-sidebar-tabs button{color:#ddd;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:.6rem .2rem;font-weight:700}.video-course-sidebar-tabs button.active{color:#fff;background:#494949}.video-course-search{color:#8d8d8d;background:#242424;border-radius:8px;align-items:center;gap:.55rem;margin:.8rem 0;padding:.7rem;display:flex}.video-course-search input{color:#fff;background:0 0;border:0;outline:0;width:100%;font-size:.95rem}.video-course-lesson-list{padding-bottom:1rem;overflow:auto}.video-course-lesson{color:#fff;text-align:left;cursor:pointer;background:#202020;border:1px solid #0000;border-radius:10px;align-items:center;gap:.7rem;width:100%;margin-bottom:.45rem;padding:.9rem .65rem;display:flex}.video-course-lesson.active{background:#1d365c;border-color:#3988f5}.video-course-lesson-check{border:1px solid #b5b5b5;border-radius:50%;flex:none;width:13px;height:13px}.video-course-lesson-number{color:#ddd;font-weight:800}.video-course-lesson-copy{flex-direction:column;gap:.2rem;min-width:0;display:flex}.video-course-lesson-copy strong{text-overflow:ellipsis;white-space:nowrap;font-size:.85rem;overflow:hidden}.video-course-lesson-copy small{color:#aaa}.video-course-main{flex-direction:column;flex:1;min-width:0;display:flex}.video-course-topbar{color:#bdbdbd;background:#1e1e1e;justify-content:space-between;align-items:center;height:82px;padding:0 2.4rem;font-size:1rem;display:flex}.video-course-topbar button{width:38px;height:38px}.video-course-resource-panel{flex:1;width:calc(100% - 4rem);max-width:950px;margin:2rem auto 7rem}.video-course-resource-heading{align-items:center;gap:.7rem;margin-bottom:1.4rem;display:flex}.video-course-resource-heading h2{margin:0;font-size:1.35rem}.video-course-resource-card{text-align:center;background:#202020;border:1px solid #303030;border-radius:14px;max-width:900px;margin:0 auto;padding:1.25rem}.video-course-player-stage{background:#000;border-radius:8px;width:100%;overflow:hidden}.video-course-player-stage .custom-video-player{width:100%;max-width:none;box-shadow:none;border:0;border-radius:8px}.video-course-resource-card h3{margin:1.3rem 0 .5rem;font-size:1.25rem}.video-course-resource-card p{color:#aaa;margin:0 0 1.4rem}.video-course-open-button,.video-course-complete{color:#fff;cursor:pointer;background:#3d83f5;border:0;border-radius:10px;justify-content:center;align-items:center;gap:.55rem;padding:.85rem 1.5rem;font-weight:800;display:inline-flex}.video-course-empty{color:#aaa;text-align:center;padding:4rem}.video-course-footer{background:#1e1e1e;align-items:center;gap:.7rem;padding:1rem 2.5rem;display:flex;position:fixed;bottom:0;left:350px;right:0}.video-course-footer>button:not(.video-course-complete){color:#fff;background:#242424;border:1px solid #303030;border-radius:12px;place-items:center;width:62px;height:62px;display:grid}.video-course-footer button:disabled{opacity:.5;cursor:not-allowed}.video-course-complete{min-width:260px;margin-left:.3rem;font-size:1.05rem}@media (width<=760px){.video-course-screen{min-height:100dvh;display:block;overflow-x:hidden}.video-course-sidebar{flex:none;width:100%;max-width:100%;height:auto;max-height:52dvh;padding:.75rem .65rem 0;overflow:hidden}.video-course-sidebar-actions{margin-bottom:.85rem}.video-course-sidebar-actions button,.video-course-topbar button{width:40px;height:40px}.video-course-sidebar h1{overflow-wrap:anywhere;max-width:100%;margin:.2rem 0 .8rem;font-size:1.15rem}.video-course-progress-label{margin:.45rem 0 .75rem;font-size:.85rem}.video-course-sidebar-tabs button{padding:.5rem .2rem;font-size:.8rem}.video-course-search{margin:.55rem 0;padding:.6rem}.video-course-lesson-list{min-height:76px;max-height:180px}.video-course-lesson{margin-bottom:.35rem;padding:.65rem .55rem}.video-course-lesson-copy strong{font-size:.78rem}.video-course-main{width:100%;min-width:0}.video-course-topbar{height:58px;padding:0 .9rem;font-size:.9rem}.video-course-resource-panel{box-sizing:border-box;width:100%;max-width:none;margin:0;padding:1rem .75rem 6.5rem}.video-course-resource-heading{margin-bottom:.8rem}.video-course-resource-heading h2{font-size:1.05rem}.video-course-resource-card{box-sizing:border-box;border-radius:10px;width:100%;max-width:none;margin:0;padding:.65rem}.video-course-player-stage,.video-course-player-stage .custom-video-player{width:100%;min-width:0;max-width:100%}.video-course-resource-card h3{overflow-wrap:anywhere;margin-top:.8rem;font-size:1rem}.video-course-resource-card p{font-size:.82rem;line-height:1.45}.video-course-open-button{box-sizing:border-box;width:100%;padding:.7rem .8rem;font-size:.82rem}.video-course-footer{z-index:20;gap:.45rem;padding:.65rem;position:fixed;bottom:0;left:0;right:0}.video-course-footer>button:not(.video-course-complete){flex:0 0 44px;width:44px;height:44px}.video-course-complete{flex:1;min-width:0;padding:.7rem .55rem;font-size:.82rem}}.notifications-page{box-sizing:border-box;flex-direction:column;gap:1.5rem;width:100%;min-width:0;max-width:920px;margin:0 auto;display:flex}.notifications-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:flex-end;gap:1rem;padding-bottom:1.25rem;display:flex}.notifications-eyebrow{color:var(--color-accent);letter-spacing:2px;margin-bottom:.4rem;font-size:.68rem;font-weight:800}.notifications-header h1{color:var(--color-text);font-size:2rem;font-weight:800}.notifications-subtitle{color:var(--color-text-sub);margin-top:.35rem;font-size:.9rem}.notifications-actions{flex-shrink:0;align-items:center;gap:.6rem;display:flex}.notifications-count{color:var(--color-text-sub);font-size:.78rem;font-weight:700}.notifications-action-btn,.notifications-refresh-btn{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-sub);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:.4rem;min-height:38px;padding:0 .75rem;font-size:.78rem;font-weight:700;display:inline-flex}.notifications-refresh-btn{width:38px;padding:0}.notifications-action-btn:hover:not(:disabled),.notifications-refresh-btn:hover{border-color:var(--color-border-hi);color:var(--color-text);background:var(--color-raised)}.notifications-action-btn:disabled{cursor:not-allowed;opacity:.45}.notifications-list{flex-direction:column;gap:.65rem;display:flex}.notification-item{text-align:left;border:1px solid var(--color-border);background:var(--color-surface);width:100%;color:var(--color-text);cursor:pointer;border-left:3px solid #0000;border-radius:14px;align-items:flex-start;gap:.85rem;padding:1rem;transition:border-color .18s,background .18s;display:flex}.notification-item:hover,.notification-item.unread{border-left-color:var(--color-accent)}.notification-item:hover{background:var(--color-raised)}.notification-icon{background:var(--color-accent-dim);width:40px;height:40px;color:var(--color-accent);border-radius:12px;flex:0 0 40px;justify-content:center;align-items:center;display:inline-flex}.notification-copy{flex-direction:column;flex:auto;gap:.3rem;min-width:0;display:flex}.notification-meta{color:var(--color-text-mute);letter-spacing:.8px;text-transform:uppercase;flex-wrap:wrap;align-items:baseline;gap:.2rem .5rem;font-size:.68rem;font-weight:800;display:flex}.notification-meta time{letter-spacing:0;text-transform:none;margin-left:0;font-weight:600}.notification-copy strong{overflow-wrap:anywhere;font-size:.95rem;line-height:1.35}.notification-copy>span:last-child{color:var(--color-text-sub);overflow-wrap:anywhere;font-size:.85rem;line-height:1.45}.notification-unread-dot{background:var(--color-accent);border-radius:50%;flex:0 0 8px;width:8px;height:8px;margin:.45rem 0 0 auto}.notifications-state,.notifications-empty{min-height:260px;color:var(--color-text-sub);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;display:flex}.notifications-error{color:var(--color-red)}.notifications-empty-icon{background:var(--color-accent-dim);width:56px;height:56px;color:var(--color-accent);border-radius:18px;justify-content:center;align-items:center;display:inline-flex}.notifications-empty h2{color:var(--color-text);font-size:1.1rem}.notifications-empty p{max-width:360px;font-size:.88rem;line-height:1.5}.notifications-spin{animation:.8s linear infinite spin}@media (width<=767px){.notifications-page{gap:1rem;padding:0 .75rem}.notifications-header>div:first-child{min-width:0}.notifications-header{flex-direction:column;align-items:flex-start}.notifications-header h1{font-size:1.6rem}.notifications-subtitle{max-width:34rem;line-height:1.45}.notifications-actions{flex-wrap:wrap;width:100%}.notifications-count{margin-right:auto}.notification-item{box-sizing:border-box;gap:.65rem;min-width:0;padding:.85rem}}@media (width<=480px){.notifications-header h1{font-size:1.45rem}.notifications-actions{grid-template-columns:minmax(0,1fr) 40px;gap:.5rem;display:grid}.notifications-count{grid-column:1/-1;margin:0}.notifications-action-btn{white-space:normal;grid-column:1;width:100%;min-width:0;line-height:1.2}.notifications-refresh-btn{grid-column:2;width:40px;min-height:40px}.notification-item{align-items:flex-start;gap:.55rem;padding:.75rem}.notification-icon{border-radius:10px;flex-basis:36px;width:36px;height:36px}.notification-copy strong{font-size:.9rem}.notification-copy>span:last-child{font-size:.8rem}}@media (width<=360px){.notifications-page{padding:0 .55rem}.notifications-header h1{font-size:1.35rem}.notifications-eyebrow{letter-spacing:1.5px;font-size:.62rem}.notification-item{gap:.45rem;padding:.65rem}.notification-icon{flex-basis:32px;width:32px;height:32px}.notification-meta{letter-spacing:.5px;font-size:.62rem}}.profile-container{flex-direction:column;gap:1.5rem;max-width:1200px;margin:0 auto;padding-bottom:2rem;display:flex}.profile-hero{background:var(--card-lavender-bg);color:var(--card-lavender-text);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);border:1px solid #0000000d;padding:2.25rem 2rem;position:relative;overflow:hidden}.hero-banner-pattern{pointer-events:none;background:radial-gradient(circle,#ffffff59 0%,#0000 70%);border-radius:50%;width:400px;height:400px;position:absolute;top:-50%;right:-20%}.hero-header-actions{z-index:5;align-items:center;gap:.5rem;display:flex;position:absolute;top:1.5rem;right:1.5rem}.hero-action-pill{-webkit-backdrop-filter:blur(12px);color:var(--card-lavender-text);cursor:pointer;box-shadow:var(--shadow-sm);background:#ffffffd9;border:1px solid #fff9;border-radius:9999px;align-items:center;gap:.4rem;padding:.4rem .85rem;font-size:.78rem;font-weight:700;transition:all .2s;display:inline-flex}.hero-action-pill:hover{background:#fff;transform:translateY(-1px)}:root[data-theme=dark] .hero-action-pill{color:#fff;background:#1e1b4b99;border-color:#ffffff26}.hero-main-content{z-index:2;align-items:flex-start;gap:1.75rem;display:flex;position:relative}.profile-avatar-container{flex-shrink:0}.avatar-frame{background:#fff;border-radius:50%;width:96px;height:96px;padding:4px;position:relative;box-shadow:0 8px 24px #0000001f}:root[data-theme=dark] .avatar-frame{background:var(--color-surface)}.avatar-image,.avatar-placeholder{object-fit:cover;border-radius:50%;width:100%;height:100%}.avatar-placeholder{background:var(--color-dark-pill);color:#fff;letter-spacing:-.5px;justify-content:center;align-items:center;font-size:2rem;font-weight:800;display:flex}.avatar-crown-badge{background:var(--gradient-gold);color:#78350f;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;display:flex;position:absolute;bottom:0;right:0;box-shadow:0 4px 10px #00000026}.profile-user-details{flex-direction:column;flex:1;gap:.35rem;min-width:0;display:flex}.name-display-row{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.user-full-name{color:var(--card-lavender-text);letter-spacing:-.6px;font-size:1.85rem;font-weight:800;line-height:1.2}.verified-badge-chip{color:#065f46;background:#10b9812e;border-radius:9999px;align-items:center;gap:.25rem;padding:.2rem .6rem;font-size:.72rem;font-weight:800;display:inline-flex}:root[data-theme=dark] .verified-badge-chip{color:#a7f3d0}.edit-name-trigger{width:30px;height:30px;color:var(--card-lavender-text);cursor:pointer;background:#0000000f;border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:flex}.edit-name-trigger:hover{background:#0000001f;transform:scale(1.05)}.name-edit-box{align-items:center;gap:.5rem;display:flex}.name-edit-input{border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);background:#fff;outline:none;padding:.4rem .85rem;font-size:1.2rem;font-weight:700}.name-save-btn,.name-cancel-btn{cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.name-save-btn{background:var(--color-green);color:#fff}.name-cancel-btn{color:var(--color-text);background:#0000001a}.user-email-text{color:var(--card-lavender-text);opacity:.85;margin-bottom:.6rem;font-size:.88rem;font-weight:500}.profile-meta-pills{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.meta-pill{color:var(--card-lavender-text);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#00000014;border-radius:9999px;align-items:center;gap:.4rem;padding:.35rem .85rem;font-size:.76rem;font-weight:700;display:inline-flex}.pill-premium{background:var(--color-dark-pill);color:#fff;box-shadow:0 4px 12px #00000026}.pill-free{color:#9d174d;cursor:pointer;background:#ec489926;transition:all .15s}.pill-free:hover{background:#ec489940;transform:translateY(-1px)}.stats-highlight-grid{grid-template-columns:repeat(4,1fr);gap:1.25rem;display:grid}.stat-card{border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-direction:column;gap:.85rem;padding:1.35rem 1.25rem;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card-header{justify-content:space-between;align-items:center;display:flex}.stat-card-title{letter-spacing:-.1px;opacity:.9;font-size:.82rem;font-weight:700}.stat-card-icon-bubble{background:#ffffff80;border-radius:12px;justify-content:center;align-items:center;width:36px;height:36px;display:flex;box-shadow:0 2px 8px #0000000d}:root[data-theme=dark] .stat-card-icon-bubble{background:#0003}.stat-card-body{flex-direction:column;gap:.15rem;display:flex}.stat-card-number{letter-spacing:-.5px;font-size:1.85rem;font-weight:800;line-height:1.1}.stat-card-sub{opacity:.85;font-size:.73rem;font-weight:600}.text-lavender{color:var(--card-lavender-text)}.text-pink{color:var(--card-pink-text)}.text-blue{color:var(--card-blue-text)}.text-green{color:var(--card-green-text)}.profile-layout-grid{grid-template-columns:1fr 1fr;align-items:start;gap:1.5rem;display:grid}.profile-column{flex-direction:column;gap:1.5rem;display:flex}.profile-section-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex}.section-card-header{justify-content:space-between;align-items:flex-start;display:flex}.section-title{color:var(--color-text);letter-spacing:-.3px;font-size:1.1rem;font-weight:800}.section-subtitle{color:var(--color-text-sub);margin-top:.15rem;font-size:.78rem;font-weight:500}.bio-text-content{color:var(--color-text);font-size:.92rem;line-height:1.6}.bio-placeholder{color:var(--color-text-mute);font-style:italic}.bio-edit-form{flex-direction:column;gap:.75rem;display:flex}.bio-input-textarea{background:var(--color-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:100%;min-height:90px;font-family:var(--font-sans);color:var(--color-text);resize:vertical;outline:none;padding:.85rem;font-size:.9rem;transition:border-color .2s}.bio-input-textarea:focus{border-color:var(--color-border-hi)}.bio-edit-footer{justify-content:space-between;align-items:center;display:flex}.bio-char-count{color:var(--color-text-sub);font-size:.75rem}.bio-btn-group{gap:.5rem;display:flex}.pill-dark-sm{background:var(--color-dark-pill);color:#fff;cursor:pointer;border-radius:9999px;align-items:center;gap:.35rem;padding:.4rem .85rem;font-size:.76rem;font-weight:700;transition:background-color .15s;display:inline-flex}.pill-dark-sm:hover{background:var(--color-dark-pill-hover)}.btn-secondary-sm{background:var(--color-raised);color:var(--color-text-sub);border:1px solid var(--color-border);cursor:pointer;border-radius:9999px;padding:.4rem .85rem;font-size:.76rem;font-weight:600}.save-success-banner{color:var(--color-green);background:var(--color-green-dim);border-radius:var(--radius-sm);align-items:center;gap:.4rem;padding:.4rem .75rem;font-size:.8rem;font-weight:600;display:flex}.academic-details-list{flex-direction:column;gap:.75rem;display:flex}.academic-item{background:var(--color-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);align-items:center;gap:.85rem;padding:.85rem 1rem;display:flex}.academic-icon-bubble{background:var(--color-surface);border:1px solid var(--color-border);width:38px;height:38px;color:var(--color-text);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.academic-info{flex-direction:column;gap:.1rem;min-width:0;display:flex}.academic-label{color:var(--color-text-sub);text-transform:uppercase;letter-spacing:.3px;font-size:.72rem;font-weight:600}.academic-value{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-size:.92rem;font-weight:700;overflow:hidden}.badge-progress-chip{background:var(--color-raised);border:1px solid var(--color-border);color:var(--color-text);border-radius:9999px;padding:.25rem .65rem;font-size:.75rem;font-weight:800}.badge-progress-bar-bg{background:var(--color-raised);border-radius:999px;width:100%;height:6px;overflow:hidden}.badge-progress-bar-fill{background:var(--gradient-brand);border-radius:999px;height:100%;transition:width .4s}.badges-grid-container{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:.85rem;display:grid}.badge-tile{border-radius:var(--radius-lg);background:var(--color-raised);border:1px solid var(--color-border);text-align:center;cursor:pointer;flex-direction:column;align-items:center;gap:.4rem;padding:.85rem .4rem;transition:all .2s;display:flex}.badge-tile.earned{border-color:var(--color-border-hi);background:var(--color-surface);box-shadow:var(--shadow-sm)}.badge-tile.earned:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.badge-tile.locked{opacity:.55;filter:grayscale(.8)}.badge-tile-icon{background:var(--color-dark-pill);border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;display:flex;position:relative;box-shadow:0 4px 10px #00000026}.badge-tile.locked .badge-tile-icon{background:var(--color-raised);border:1px dashed var(--color-border)}.badge-lock-overlay{background:var(--color-text-sub);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:16px;height:16px;display:flex;position:absolute;top:-2px;right:-2px}.badge-tile-label{color:var(--color-text);font-size:.72rem;font-weight:700}.settings-options-list{flex-direction:column;gap:.65rem;display:flex}.settings-option-item{background:var(--color-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);text-align:left;cursor:pointer;align-items:center;gap:.85rem;width:100%;padding:.9rem 1rem;transition:all .2s;display:flex}.settings-option-item:hover{border-color:var(--color-border-hi);background:var(--color-surface);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.option-icon-frame{background:var(--color-dark-pill);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.gold-frame{background:var(--gradient-gold);color:#78350f}.danger-frame{background:var(--color-red-dim);color:var(--color-red)}.option-text-group{flex-direction:column;flex:1;gap:.1rem;min-width:0;display:flex}.option-main-label{color:var(--color-text);font-size:.88rem;font-weight:700}.option-sub-label{color:var(--color-text-sub);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}.option-arrow{color:var(--color-text-mute);transition:transform .2s}.settings-option-item:hover .option-arrow{color:var(--color-text);transform:translate(2px)}.danger-option{background:var(--color-red-dim);border-color:#dc262633;margin-top:.5rem}.danger-option:hover{background:#dc262626}.danger-text{color:var(--color-red)!important}@media (width<=1023px){.stats-highlight-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=767px){.profile-container{gap:1.1rem}.profile-hero{border-radius:var(--radius-lg);padding:1.5rem 1.25rem}.hero-header-actions{top:1rem;right:1rem}.hero-main-content{text-align:center;flex-direction:column;align-items:center;gap:1rem}.avatar-frame{width:84px;height:84px}.name-display-row{justify-content:center}.user-full-name{font-size:1.5rem}.profile-meta-pills{justify-content:center}.stats-highlight-grid{grid-template-columns:repeat(2,1fr);gap:.85rem}.stat-card{border-radius:var(--radius-lg);padding:1rem .95rem}.stat-card-number{font-size:1.5rem}.profile-layout-grid{grid-template-columns:1fr;gap:1.1rem}.profile-section-card{border-radius:var(--radius-lg);padding:1.2rem 1rem}.badges-grid-container{grid-template-columns:repeat(4,1fr);gap:.6rem}.badge-tile{padding:.65rem .25rem}.badge-tile-icon{width:38px;height:38px}}@media (width<=480px){.badges-grid-container{grid-template-columns:repeat(3,1fr)}}@media (width<=640px){.profile-container{box-sizing:border-box;width:100%;max-width:100%;padding-left:.5rem;padding-right:.5rem;overflow-x:hidden}.profile-hero{padding:1.15rem 1rem 1.25rem}.avatar-frame{width:72px;height:72px}.user-full-name{word-break:break-word;overflow-wrap:break-word;font-size:1.3rem}.hero-header-actions{gap:.35rem;top:.75rem;right:.75rem}.hero-action-pill{padding:.3rem .6rem;font-size:.7rem}.name-edit-input{box-sizing:border-box;width:100%;max-width:100%;font-size:1rem}.name-edit-box{flex-wrap:wrap;gap:.4rem}.stats-highlight-grid{grid-template-columns:repeat(2,1fr);gap:.65rem}.stat-card{padding:.85rem .75rem}.stat-card-number{font-size:1.3rem}.profile-layout-grid{grid-template-columns:1fr;gap:1rem}.profile-section-card{padding:1rem .85rem}.academic-value{white-space:normal;overflow-wrap:break-word;word-break:break-word;text-overflow:unset;font-size:.85rem}.settings-option-item{padding:.75rem .85rem}.option-sub-label{white-space:normal;font-size:.72rem}.badges-grid-container{grid-template-columns:repeat(3,1fr);gap:.5rem}.badge-tile{padding:.55rem .2rem}.badge-tile-icon{width:34px;height:34px}.badge-tile-label{font-size:.62rem}.bio-input-textarea{box-sizing:border-box;width:100%}.profile-meta-pills{flex-wrap:wrap;justify-content:flex-start;gap:.35rem}.meta-pill{padding:.28rem .65rem;font-size:.7rem}}@media (width<=380px){.profile-hero{padding:1rem .85rem}.avatar-frame{width:62px;height:62px}.user-full-name{font-size:1.15rem}.stats-highlight-grid{grid-template-columns:repeat(2,1fr);gap:.5rem}.stat-card-number{font-size:1.15rem}.stat-card{padding:.7rem .6rem}.stat-card-title{font-size:.72rem}.hero-action-pill span{display:none}.badges-grid-container{grid-template-columns:repeat(3,1fr);gap:.4rem}}.sub-container{background:var(--canvas-gradient);flex-direction:column;align-items:center;min-height:100vh;padding:2rem;display:flex;position:relative;overflow:hidden}.sub-header{z-index:10;width:100%;max-width:1000px;margin-bottom:2rem;display:flex}.sub-back-btn{color:var(--color-text-sub);background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:9999px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.88rem;font-weight:700;transition:all .15s;display:flex}.sub-back-btn:hover{color:var(--color-text);transform:translateY(-1px)}.sub-main{z-index:10;flex-direction:column;align-items:center;gap:2rem;width:100%;max-width:500px;display:flex}.sub-intro{text-align:center;flex-direction:column;align-items:center;gap:.65rem;display:flex}.sub-intro h1{color:var(--color-text);letter-spacing:-.5px;font-size:2.2rem;font-weight:800}.sub-intro p{color:var(--color-text-sub);max-width:400px;font-size:.95rem;line-height:1.55}.sub-plan-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;box-shadow:var(--shadow-lg);flex-direction:column;padding:2.5rem 2rem;display:flex;position:relative;overflow:hidden}.sub-plan-card.is-premium-active{color:#f8fafc}.is-premium-active .plan-header{border-color:#ffffff1f}.is-premium-active .plan-title,.is-premium-active .plan-price-row .price{color:#f8fafc}.is-premium-active .plan-price-row .period{color:#aab2c2}.is-premium-active .feature-item{color:#dbe3ef}.premium-status{color:#86efac;text-align:center;background:#4ade801f;border:1px solid #4ade8047;border-radius:12px;justify-content:center;align-items:center;min-height:44px;padding:.65rem .85rem;font-size:.85rem;font-weight:700;display:flex}.plan-header{border-bottom:1px solid var(--color-border);flex-direction:column;gap:.4rem;margin-bottom:1.4rem;padding-bottom:1.4rem;display:flex}.plan-title{color:var(--color-text);font-size:1.25rem;font-weight:800}.plan-price-row{align-items:baseline;gap:.25rem;display:flex}.plan-price-row .price{color:var(--color-text);letter-spacing:-1px;font-size:2.4rem;font-weight:800}.plan-price-row .period{color:var(--color-text-sub);font-size:.88rem;font-weight:600}.plan-features{flex-direction:column;gap:.9rem;margin-bottom:1.75rem;list-style:none;display:flex}.feature-item{color:var(--color-text);align-items:flex-start;gap:.75rem;font-size:.9rem;line-height:1.4;display:flex}.check-box{background:var(--color-dark-pill);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:flex}.sub-premium-btn{background:var(--color-dark-pill);color:#fff;border-radius:9999px;padding:.85rem 1.5rem;font-size:.95rem;font-weight:800;transition:all .2s;box-shadow:0 4px 14px #00000026}.sub-premium-btn:hover{background:var(--color-dark-pill-hover);transform:translateY(-2px)}.plan-selector-list{flex-direction:column;gap:.75rem;margin-bottom:1.75rem;display:flex}.plan-selector-card{background:var(--color-raised);border:1.5px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;text-align:left;justify-content:space-between;align-items:center;padding:1rem 1.1rem;transition:all .2s;display:flex;position:relative}.plan-selector-card:hover{border-color:var(--color-border-hi)}.plan-selector-card.selected{border-color:var(--color-dark-pill);background:var(--card-lavender-bg);color:var(--card-lavender-text)}.plan-selector-name{font-size:.95rem;font-weight:800}.plan-selector-price{font-size:1.1rem;font-weight:800}.sub-container{color:#f8fafc;background:radial-gradient(circle at 78% 8%,#ec489924,#0000 28%),linear-gradient(150deg,#11101a 0%,#08090e 62%,#07070b 100%);align-items:stretch;min-height:100vh;padding:1.25rem clamp(1rem,4vw,4rem) 3rem;overflow-y:auto}.sub-blob{pointer-events:none;opacity:.45}.sub-blob-1{background:#ec4899}.sub-blob-2{background:#fbbf24}.sub-header{width:min(100%,1120px);margin:0 auto 2.5rem;position:relative}.sub-back-btn{color:#a6adbd;background:#ffffff0f;border-color:#ffffff1f}.sub-back-btn:hover{color:#fff;background:#ffffff1c}.sub-main{grid-template-columns:minmax(260px,.78fr) minmax(460px,1.22fr);align-items:start;gap:clamp(2rem,6vw,6rem);width:min(100%,1120px);max-width:1120px;margin:0 auto;display:grid;position:relative}.sub-intro{text-align:left;align-items:flex-start;padding-top:2rem;position:sticky;top:1rem}.intro-icon{color:#ff82b5;background:#ec489924;border:1px solid #ec48994d;border-radius:15px;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:1.15rem;display:flex}.sub-intro h1{color:#fff;letter-spacing:0;max-width:430px;font-family:serif;font-size:clamp(2rem,4vw,3.35rem);line-height:1.05}.sub-intro p{color:#9da5b7;max-width:360px;margin-top:.8rem;font-size:.9rem;line-height:1.6}.sub-intro:after{content:"Unlimited materials  •  AI Tutor  •  Offline study";color:#727b8e;border-top:1px solid #ffffff1a;max-width:280px;margin-top:2rem;padding-top:1rem;font-size:.72rem;line-height:1.6;display:block}.sub-plan-card{box-sizing:border-box;background:#14161feb;border:1px solid #ffffff1c;border-radius:22px;min-width:0;padding:1.4rem;box-shadow:0 24px 70px #00000057}.plan-selector-list{gap:.55rem;margin-bottom:1rem}.plan-selector-card{color:#f4f6fb;border-radius:14px;min-height:78px;padding:.85rem 1rem;background:#ffffff09!important;border-color:#ffffff1a!important}.plan-selector-card:hover{background:#ffffff12!important}.plan-selector-card.selected{background:#fbbf2414!important}.plan-selector-left{align-items:center;gap:.75rem;min-width:0;display:flex}.plan-selector-radio{border:2px solid;border-radius:50%;flex:none;justify-content:center;align-items:center;width:18px;height:18px;display:flex}.plan-selector-radio-inner{border-radius:50%;width:8px;height:8px}.plan-selector-info{flex-direction:column;min-width:0;display:flex}.plan-selector-name-row{flex-wrap:wrap;align-items:center;gap:.55rem;display:flex}.plan-selector-name{color:#f8fafc}.plan-selector-duration{border:1px solid;border-radius:5px;padding:.18rem .42rem;font-size:.62rem;font-weight:800}.plan-selector-desc{color:#8e97aa;font-size:.68rem}.plan-selector-right{flex-direction:column;flex:none;align-items:flex-end;display:flex}.plan-selector-strike{color:#94a3b8;font-size:.68rem;text-decoration:line-through}.plan-selector-per-month{color:#cbd5e1;font-size:.68rem;font-weight:600}.plan-selector-badge{color:#111;border-radius:5px;padding:.22rem .45rem;font-size:.57rem;font-weight:900;position:absolute;top:-9px;right:12px}.order-summary{color:#aab2c2;background:#ffffff09;border:1px solid #ffffff14;border-radius:14px;padding:1rem}.order-summary-title{color:#f6f7fb;margin-bottom:.75rem;font-size:.78rem;font-weight:800;display:block}.order-summary-row{justify-content:space-between;gap:1rem;font-size:.74rem;display:flex}.order-summary-divider{background:#ffffff12;height:1px;margin:.65rem 0}.order-summary-saving{color:#5ee0ab}.order-summary-total-label{color:#fff;font-weight:800}.order-summary-total-value{font-weight:900}.sub-premium-btn{border:0;border-radius:11px;width:100%;min-height:48px;margin-top:1rem;font-size:.88rem;color:#17120a!important}.secured-badge-row{color:#7f899a;text-align:center;justify-content:center;align-items:center;gap:.4rem;margin-top:.9rem;font-size:.66rem;display:flex}.plan-footer-note{color:#687285;text-align:center;font-size:.65rem;line-height:1.5}@media (width<=840px){.sub-container{padding:.7rem .7rem 1.25rem}.sub-header{margin-bottom:.75rem}.sub-main{flex-direction:column;gap:.8rem;display:flex}.sub-plan-card{width:min(100%,620px);margin-inline:auto}.sub-intro{text-align:center;align-items:center;padding-top:0;position:static}.intro-icon{display:none}.sub-intro h1{font-size:1.65rem}.sub-intro p{max-width:330px;margin-top:.35rem;font-size:.75rem;line-height:1.4}.sub-intro:after{display:none}.sub-plan-card{border-radius:16px;padding:.6rem}.plan-selector-list{gap:.4rem;margin-bottom:.7rem}.plan-selector-card{grid-template-columns:minmax(0,1fr) auto;gap:.5rem;min-width:0;min-height:64px;padding:.6rem .65rem;display:grid}.plan-selector-left{gap:.55rem}.plan-selector-radio{width:16px;height:16px}.plan-selector-name{font-size:.82rem}.plan-selector-desc{white-space:normal;overflow-wrap:anywhere;max-width:100%}.plan-selector-right{padding-left:.4rem}.plan-selector-price{font-size:.9rem}.plan-selector-strike{font-size:.58rem}.plan-selector-per-month{font-size:.56rem}.plan-selector-badge{font-size:.5rem;top:-7px;right:8px}.order-summary{padding:.75rem}.order-summary-title{margin-bottom:.5rem}.order-summary-divider{margin:.45rem 0}.sub-premium-btn{min-height:42px;margin-top:.7rem}.secured-badge-row{margin-top:.65rem;font-size:.58rem}.plan-footer-note{margin-top:.8rem!important}}@media (width<=380px){.sub-intro h1{font-size:1.45rem}.plan-selector-name-row{gap:.35rem}.plan-selector-duration{font-size:.55rem}.plan-selector-desc{max-width:100%}.order-summary-row{font-size:.68rem}}@media (width<=480px){.sub-container{min-height:100dvh;padding:.65rem .55rem calc(1rem + env(safe-area-inset-bottom,0px))}.sub-header{margin-bottom:.5rem}.sub-main{gap:.65rem}.sub-intro h1{overflow-wrap:anywhere;max-width:100%}.sub-intro p{max-width:100%}.sub-plan-card{border-radius:12px;width:100%;padding:.65rem}.plan-selector-card{grid-template-columns:minmax(0,1fr);gap:.4rem;padding:.9rem .65rem .6rem}.plan-selector-left,.plan-selector-info,.plan-selector-name-row{min-width:0}.plan-selector-name{overflow-wrap:anywhere}.plan-selector-desc{line-height:1.35}.plan-selector-right{flex-direction:row;justify-content:space-between;align-items:baseline;gap:.25rem;width:100%;padding-left:calc(16px + .55rem)}.plan-selector-price{font-size:.88rem}.plan-selector-strike,.plan-selector-per-month{font-size:.58rem}.order-summary{padding:.65rem}.order-summary-row{gap:.5rem}.order-summary-row>span{overflow-wrap:anywhere;min-width:0}.secured-badge-row{align-items:flex-start;line-height:1.4}.secured-badge-row svg{flex:none}.plan-footer-note{line-height:1.45}}@media (width<=340px){.sub-container{padding-inline:.4rem}.sub-intro h1{font-size:1.3rem}.plan-selector-card{padding-inline:.5rem}.plan-selector-right{padding-left:calc(16px + .4rem)}.order-summary-row{font-size:.64rem}.sub-premium-btn{padding-inline:.6rem;font-size:.8rem}}.mobile-bottom-nav{display:none}@media (width<=767px){.mobile-bottom-nav{height:calc(var(--mobile-nav-height) + var(--sab));padding-bottom:var(--sab);background:var(--color-surface);border-top:1px solid var(--color-border);z-index:990;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #00000014}.mobile-nav-items{justify-content:space-around;align-items:center;width:100%;height:100%;padding:0 .5rem;display:flex;position:relative}.mobile-nav-item{height:100%;color:var(--color-text-mute);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;text-decoration:none;transition:color .2s,transform .15s;display:flex}.mobile-nav-item:active{transform:scale(.92)}.mobile-nav-item.active{color:var(--color-text)}.mobile-icon-wrap{justify-content:center;align-items:center;width:24px;height:24px;display:flex;position:relative}.mobile-active-pill{background-color:var(--color-dark-pill);border-radius:99px;width:16px;height:3px;position:absolute;top:-6px;box-shadow:0 2px 6px #0003}:root[data-theme=dark] .mobile-active-pill{background-color:var(--color-purple)}.mobile-nav-label{letter-spacing:-.1px;font-size:.68rem;font-weight:600;line-height:1}.mobile-fab-container{flex-direction:column;flex:1;justify-content:center;align-items:center;display:flex;position:relative}.mobile-fab-btn{background:var(--color-dark-pill);color:#fff;border:3px solid var(--color-surface);z-index:2;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;margin-top:-24px;transition:transform .2s cubic-bezier(.16,1,.3,1),background-color .2s;display:flex;position:relative;box-shadow:0 6px 18px #00000038}.mobile-fab-btn:active{transform:scale(.9)}.mobile-fab-btn.active{background:var(--gradient-brand);border-color:var(--color-raised);box-shadow:0 8px 24px #0000004d}.mobile-fab-glow{opacity:0;pointer-events:none;background:radial-gradient(circle,#8b5cf64d 0%,#0000 70%);border-radius:50%;transition:opacity .3s;position:absolute;inset:-4px}.mobile-fab-btn.active .mobile-fab-glow{opacity:1}.fab-label{color:var(--color-text-mute);margin-top:4px}.fab-label.active{color:var(--color-text);font-weight:700}}.shell-container{background:var(--canvas-gradient);width:100vw;height:100vh;color:var(--color-text);display:flex;position:relative;overflow:hidden}.sidebar-backdrop{-webkit-backdrop-filter:blur(4px);z-index:1000;background:#0006;animation:.2s fadeIn;position:fixed;inset:0}.sidebar{z-index:100;color:#9da4b0;background:#0e1017;border:none;border-right:1px solid #ffffff12;border-radius:0;flex-direction:column;flex-shrink:0;width:240px;height:100vh;transition:transform .3s cubic-bezier(.16,1,.3,1),width .2s;display:flex;overflow:hidden;box-shadow:0 4px 20px #0000004d}.sidebar-header{border-bottom:none;justify-content:space-between;align-items:center;padding:1.35rem 1.25rem .4rem;display:flex}.sidebar-logo{align-items:center;gap:.6rem;display:flex}.sidebar-logo .logo-text{color:#fff;font-weight:800}.sidebar-logo .logo-accent{color:#e8692a;margin-left:1px;font-weight:800}.sidebar-close-btn{color:#9da4b0;cursor:pointer;background:0 0;border:none;border-radius:50%;padding:.25rem;transition:color .15s;display:none}.sidebar-close-btn:hover{color:#fff}.sidebar-subcontext{padding:0 1.25rem .85rem}.subcontext-badge{color:#8b949e;letter-spacing:.01em;font-size:.82rem;font-weight:500}.sidebar-nav{flex-direction:column;flex:1;padding:.5rem .75rem 1rem;display:flex;overflow-y:auto}.nav-section{flex-direction:column;gap:.25rem;display:flex}.nav-item{color:#9da4b0;letter-spacing:-.1px;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;border:1px solid #0000;border-radius:4px;outline:none;align-items:center;gap:.75rem;padding:.65rem .85rem;font-size:.875rem;font-weight:600;text-decoration:none;transition:background-color .15s,color .15s;display:flex;position:relative}.nav-item:focus,.nav-item:focus-visible,.nav-item:active{box-shadow:none!important;outline:none!important}.nav-item:hover{color:#fff;background-color:#ffffff14;border-color:#0000;border-radius:4px}.nav-item.active{color:#fff;box-shadow:none;background-color:#212630;border:1px solid #0000;border-radius:4px}.nav-item.active .nav-icon{color:#fff}.nav-icon{color:#9da4b0;flex-shrink:0;transition:color .15s}.nav-item:hover .nav-icon{color:#fff}.nav-label{white-space:nowrap}.nav-section-group{flex-direction:column;gap:.2rem;margin-top:.85rem;display:flex}.nav-section-header{color:#6b7280;letter-spacing:.1em;text-transform:uppercase;padding:.65rem .85rem .3rem;font-size:.68rem;font-weight:800}.nav-item-dropdown-trigger{cursor:pointer;background:0 0;border:none;outline:none;justify-content:space-between;width:100%}.nav-item-dropdown-trigger:focus,.nav-item-dropdown-trigger:focus-visible,.nav-item-dropdown-trigger:active{box-shadow:none!important;outline:none!important}.dropdown-label-wrap{align-items:center;gap:.75rem;display:flex}.subjects-dropdown-menu{flex-direction:column;gap:.2rem;margin-top:.15rem;padding-left:.85rem;display:flex}.subject-dropdown-item{color:#9da4b0;cursor:pointer;text-align:left;-webkit-tap-highlight-color:transparent;background:0 0;border:1px solid #0000;border-radius:4px;outline:none;align-items:center;width:100%;padding:.5rem .85rem;font-size:.82rem;font-weight:500;transition:background-color .15s,color .15s;display:flex}.subject-dropdown-item:focus,.subject-dropdown-item:focus-visible,.subject-dropdown-item:active{box-shadow:none!important;outline:none!important}.subject-dropdown-item:hover{color:#fff;background-color:#ffffff14;border-color:#0000;border-radius:4px}.subject-dropdown-item.active{color:#fff;background-color:#212630;border:1px solid #0000;border-radius:4px;font-weight:700}.subject-item-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.nav-action-item{cursor:pointer;text-align:left;background:0 0;border:none;width:100%}.app-download-section{flex-direction:column;gap:.45rem;margin-top:1rem;padding:0 .2rem;display:flex}.app-store-badge{color:#fff;cursor:pointer;background:#ffffff0a;border:1px solid #ffffff14;border-radius:4px;align-items:center;gap:.55rem;width:100%;padding:.45rem .75rem;transition:all .18s;display:flex}.app-store-badge:hover{background:#ffffff14;border-color:#ffffff26;transform:translateY(-1px)}.badge-text-col{text-align:left;flex-direction:column;line-height:1.1;display:flex}.badge-tiny{color:#9da4b0;font-size:.58rem;font-weight:600}.badge-bold{letter-spacing:-.2px;color:#fff;font-size:.78rem;font-weight:800}.sidebar-footer{z-index:10;background:#0e1017;border-top:1px solid #ffffff12;flex-direction:column;flex-shrink:0;gap:.5rem;padding:.75rem;display:flex}.upgrade-cta-card{color:#fff;background:#1a1d26;border:1px solid #ffffff14;border-radius:12px;flex-direction:column;gap:.65rem;margin-top:.85rem;margin-bottom:.25rem;padding:.85rem;display:flex;position:relative;overflow:hidden;box-shadow:0 8px 20px #0000004d}.upgrade-cta-copy{color:#cfd6e4;margin:0;font-size:.75rem;font-weight:500;line-height:1.38}.upgrade-cta-btn{color:#fff;cursor:pointer;box-sizing:border-box;background:linear-gradient(135deg,#6366f1 0%,#4f46e5 100%);border:none;border-radius:9999px;justify-content:center;align-items:center;gap:.45rem;width:100%;padding:.55rem .85rem;font-size:.78rem;font-weight:800;text-decoration:none;transition:all .2s;display:flex;box-shadow:0 4px 14px #6366f159}.upgrade-cta-btn:hover{background:linear-gradient(135deg,#4f46e5 0%,#4338ca 100%);transform:translateY(-1px);box-shadow:0 6px 18px #6366f173}.sidebar-trademark{flex-direction:column;align-items:center;gap:.25rem;margin-top:.2rem;padding:.4rem 0 .1rem;display:flex}.trademark-text{color:var(--color-text-mute);font-size:.68rem;font-weight:600}.legal-links-row{color:var(--color-text-sub);align-items:center;gap:.35rem;font-size:.68rem;display:flex}.legal-links-row button{color:var(--color-text-sub);cursor:pointer;text-underline-offset:2px;background:0 0;border:none;padding:0;font-size:.68rem;font-weight:600;text-decoration:underline}.legal-links-row button:hover{color:var(--color-text)}.dot-sep{color:var(--color-text-mute)}.modal-overlay{-webkit-backdrop-filter:blur(5px);z-index:2000;background:#0000008c;justify-content:center;align-items:center;padding:1.25rem;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:20px;width:100%;max-width:480px;animation:.25s cubic-bezier(.16,1,.3,1) slideUp;overflow:hidden;box-shadow:0 20px 40px #00000040}.modal-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:1.1rem 1.35rem;display:flex}.modal-title-wrap{align-items:center;gap:.55rem;display:flex}.modal-title-wrap h3{margin:0;font-size:1.05rem;font-weight:800}.modal-close-btn{color:var(--color-text-sub);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:.25rem;display:flex}.modal-close-btn:hover{color:var(--color-text)}.modal-body{flex-direction:column;gap:1rem;max-height:70vh;padding:1.35rem;display:flex;overflow-y:auto}.faq-item{background:var(--color-raised);border:1px solid var(--color-border);border-radius:12px;padding:1rem}.faq-item h4{color:var(--color-text);margin:0 0 .35rem;font-size:.88rem;font-weight:750}.faq-item p{color:var(--color-text-sub);margin:0;font-size:.8rem;line-height:1.45}.contact-form{flex-direction:column;gap:.9rem;display:flex}.form-group{flex-direction:column;gap:.35rem;display:flex}.form-group label{color:var(--color-text);font-size:.78rem;font-weight:700}.form-group input,.form-group textarea{background:var(--color-raised);border:1px solid var(--color-border);width:100%;color:var(--color-text);box-sizing:border-box;border-radius:10px;padding:.65rem .85rem;font-family:inherit;font-size:.85rem}.form-group input:focus,.form-group textarea:focus{border-color:var(--color-accent);outline:none}.contact-submit-btn{background:var(--color-dark-pill);color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;margin-top:.3rem;padding:.75rem;font-size:.85rem;font-weight:800;transition:all .15s;display:flex}.contact-submit-btn:hover{background:var(--color-dark-pill-hover)}.contact-success{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:2rem 1rem;display:flex}.contact-success h4{margin:0;font-size:1.1rem;font-weight:800}.contact-success p{color:var(--color-text-sub);margin:0;font-size:.85rem}.legal-modal-body p{color:var(--color-text-sub);margin:0 0 .75rem;font-size:.88rem;line-height:1.5}.store-toast{z-index:3000;color:#fff;cursor:pointer;background:#171922;border:1px solid #ffffff26;border-radius:9999px;align-items:center;gap:.6rem;padding:.75rem 1.1rem;font-size:.82rem;font-weight:700;animation:.25s cubic-bezier(.16,1,.3,1) slideUp;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 10px 30px #0000004d}.theme-toggle-pill-container{justify-content:center;padding:.2rem 0;display:flex}.theme-toggle-pill{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:9999px;justify-content:space-around;align-items:center;gap:3px;width:100%;padding:3px;display:inline-flex}.theme-toggle-btn{height:30px;color:var(--color-text-sub);border-radius:9999px;flex:1;justify-content:center;align-items:center;transition:all .2s;display:flex}.theme-toggle-btn:hover{color:var(--color-text)}.theme-toggle-btn.active{background:var(--color-dark-pill);color:#fff;box-shadow:0 2px 8px #0003}.user-profile-widget{border-radius:var(--radius-md);cursor:pointer;border:1px solid var(--color-border);background:#00000005;align-items:center;gap:.6rem;padding:.5rem;transition:all .15s;display:flex}:root[data-theme=dark] .user-profile-widget{background:#ffffff08}.user-profile-widget:hover{background:#0000000d}.avatar-circle{background:var(--color-dark-pill);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.85rem;font-weight:700;display:flex;overflow:hidden}.college-logo-circle{border:1px solid var(--color-border);background:#fff;padding:3px}.avatar-img{object-fit:cover;width:100%;height:100%}.user-widget-info{flex-direction:column;flex:1;min-width:0;display:flex}.user-widget-name{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:700;overflow:hidden}.user-widget-college{color:var(--color-text-sub);white-space:nowrap;text-overflow:ellipsis;font-size:.68rem;font-weight:500;overflow:hidden}.logout-btn{color:var(--color-text-sub);border:1px solid var(--color-border);border-radius:9999px;justify-content:center;align-items:center;gap:.5rem;padding:.5rem;font-size:.8rem;font-weight:600;transition:all .15s;display:flex}.logout-btn:hover{color:var(--color-red);background-color:var(--color-red-dim);border-color:#dc262633}.main-wrapper{background:var(--glass-bg);min-width:0;-webkit-backdrop-filter:var(--glass-blur-heavy);border:none;border-radius:0;flex-direction:column;flex:1;height:100vh;display:flex;overflow:hidden}.top-header{height:var(--header-height,64px);border-bottom:1px solid var(--color-border,#ffffff14);background:var(--color-surface,#111318d9);-webkit-backdrop-filter:blur(12px);z-index:100;flex-shrink:0;justify-content:space-between;align-items:center;gap:1rem;padding:0 1.5rem;display:flex;position:sticky;top:0}.header-left-group{flex:1;align-items:center;gap:1rem;max-width:520px;display:flex}.mobile-menu-toggle{background:var(--color-surface);border:1px solid var(--color-border);width:38px;height:38px;color:var(--color-text);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:none}.brand-logo{-webkit-user-select:none;user-select:none;align-items:center;gap:2px;display:inline-flex}.brand-logo-img{object-fit:contain;border-radius:6px;flex-shrink:0;width:30px;height:30px}.sidebar-logo .brand-logo{gap:4px}.sidebar-logo .brand-logo-img{width:32px;height:32px}.brand-logo-text{letter-spacing:-.35px;align-items:center;font-size:1.15rem;font-weight:800;line-height:1;display:inline-flex}.header-brand-logo{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:2px;min-width:0;transition:opacity .2s;display:flex}.header-brand-logo:hover{opacity:.9}.header-brand-logo .logo-text{color:var(--color-text);font-weight:800}.header-brand-logo .logo-accent{color:#e8692a;margin-left:1px;font-weight:800}.header-actions{align-items:center;gap:.85rem;display:flex}.header-streak-badge{color:#ffb703;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffb7031f;border:1px solid #ffb70340;border-radius:20px;align-items:center;gap:.35rem;padding:.4rem .75rem;font-size:.82rem;font-weight:800;display:flex}.header-streak-badge .flame-icon{fill:#ffb703;color:#ffb703}.header-user-avatar{background:var(--color-surface,#1e222b);color:#fff;cursor:pointer;border:2px solid #fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.88rem;font-weight:800;transition:transform .2s,border-color .2s;display:flex;overflow:hidden;box-shadow:0 4px 12px #00000026}.header-user-avatar:hover{border-color:#fff6;transform:scale(1.05)}.header-user-avatar .user-avatar-img{object-fit:cover;width:100%;height:100%}.badge-premium{color:#eab308;letter-spacing:.5px;background:#eab30826;border:1px solid #eab3084d;border-radius:20px;align-items:center;gap:.35rem;padding:.4rem .85rem;font-size:.72rem;font-weight:800;display:flex}.upgrade-link-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#38bdf8 0%,#4b8cf5 100%);border:none;border-radius:20px;align-items:center;gap:.4rem;padding:.4rem .95rem;font-size:.8rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 4px 12px #38bdf840}.upgrade-link-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}.header-icon-btn{background:var(--color-surface);border:1px solid var(--color-border);width:38px;height:38px;color:var(--color-text-sub);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex;position:relative}.header-icon-btn:hover{color:var(--color-text);border-color:var(--color-border-hi)}.notification-dot{background:var(--color-pink);color:#fff;letter-spacing:-.2px;min-width:17px;height:17px;box-shadow:0 0 0 2px var(--color-surface);border-radius:9999px;justify-content:center;align-items:center;padding:0 4px;font-size:.6rem;font-weight:800;line-height:1;display:flex;position:absolute;top:-4px;right:-4px}.header-profile-chip{background:var(--color-surface);border:1px solid var(--color-border);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:9999px;align-items:center;gap:.5rem;padding:.3rem .75rem .3rem .35rem;transition:all .15s;display:flex}.header-profile-chip:hover{border-color:var(--color-border-hi);box-shadow:0 2px 10px #0000000d}.header-avatar{background:var(--color-dark-pill);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.78rem;font-weight:700;display:flex;overflow:hidden}.header-profile-name{color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;max-width:110px;font-size:.82rem;font-weight:700;overflow:hidden}.header-chevron{color:var(--color-text-sub)}.main-content{flex:1;min-width:0;padding:0;overflow:hidden auto}.content-container{box-sizing:border-box;width:100%;max-width:100%;animation:.35s cubic-bezier(.16,1,.3,1) forwards fadeIn}@media (width>=768px) and (width<=1099px){.sidebar{width:68px}.sidebar-logo-text,.nav-label,.user-widget-info,.logout-label{display:none}.sidebar-logo{justify-content:center;width:100%}.nav-item{justify-content:center;padding:.65rem}.theme-toggle-pill{flex-direction:column;padding:4px 2px}.user-profile-widget{justify-content:center;padding:.4rem}.upgrade-cta-card{justify-content:center;align-items:center;padding:.65rem .4rem;display:flex}.upgrade-cta-label,.upgrade-cta-title,.upgrade-cta-copy,.upgrade-cta-btn span:first-child{display:none}.upgrade-cta-btn{justify-content:center;width:30px;height:30px;padding:0}.logout-btn{justify-content:center;padding:.5rem 0}}@media (width<=767px){.shell-container{padding:0}.mobile-menu-toggle,.sidebar-close-btn{display:flex}.sidebar{z-index:1001;background:#0e1017;border-right:1px solid #ffffff12;width:270px;height:100dvh;transition:transform .3s cubic-bezier(.16,1,.3,1);position:fixed;top:0;bottom:0;left:0;overflow:hidden;transform:translate(-100%);box-shadow:0 0 30px #00000080}.sidebar.mobile-open{transform:translate(0)}.sidebar .sidebar-nav{overscroll-behavior:contain;flex:auto;min-height:0;overflow-y:auto}.sidebar .sidebar-footer{flex-shrink:0}.main-wrapper{border:none;border-radius:0;height:100dvh}.top-header{z-index:90;background:var(--color-surface);border-bottom:1px solid var(--color-border);gap:.4rem;height:56px;padding:0 .75rem;position:sticky;top:0;overflow:hidden}.header-left-group{flex:auto;gap:.35rem;min-width:0;overflow:hidden}.header-brand-logo{gap:2px;min-width:0;overflow:hidden}.header-actions{flex-shrink:0;gap:.4rem;margin-left:auto}.top-header .upgrade-btn-text{display:none}.top-header .upgrade-link-btn,.top-header .badge-premium{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;min-height:34px;padding:0;display:flex}.header-profile-name{display:none}.main-content{padding:0 0 calc(var(--mobile-nav-height) + var(--sab) + 1.25rem);-webkit-overflow-scrolling:touch}}@media (width<=480px){.top-header{gap:.35rem;height:54px;padding:0 .55rem}.header-left-group{gap:.3rem}.brand-logo-img{width:26px;height:26px}.brand-logo-text{font-size:1.02rem}.header-streak-badge{gap:.25rem;padding:.28rem .5rem;font-size:.75rem}.header-icon-btn,.mobile-menu-toggle,.top-header .upgrade-link-btn,.top-header .badge-premium{width:34px;height:34px;min-height:34px}.header-user-avatar{width:32px;height:32px}}@media (width<=360px){.top-header{gap:.25rem;padding:0 .4rem}.header-left-group{gap:.25rem}.brand-logo{gap:2px}.brand-logo-img{width:24px;height:24px}.brand-logo-text{font-size:.92rem}.header-actions{gap:.25rem}.header-streak-badge{padding:.2rem .35rem;font-size:.7rem}.header-icon-btn,.mobile-menu-toggle,.top-header .upgrade-link-btn,.top-header .badge-premium{width:30px;height:30px;min-height:30px}.header-user-avatar{width:30px;height:30px}}
