@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{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.38"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.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;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.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{display:inline-block;width:.12em}.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 .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.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{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.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{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--color-bg: #0a0a0a;--color-text: #f5f5f5;--color-text-secondary: #a3a3a3;--color-text-tertiary: #737373;--color-border: rgba(255, 255, 255, .1);--font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--container-max: 1280px;--content-gutter: 24px;font-family:var(--font-body);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv02","cv03","cv04","cv11"}html{scroll-behavior:smooth}body{margin:0;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;overflow-x:hidden}#root{width:100%;position:relative}#root:before{content:"";position:fixed;inset:0;max-width:var(--container-max);margin:0 auto;border-left:1px solid rgba(128,128,128,.18);border-right:1px solid rgba(128,128,128,.18);pointer-events:none;z-index:50}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}img{max-width:100%;display:block}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;transition:transform .3s ease,background .3s ease,box-shadow .3s ease}.navbar-hidden{transform:translateY(-100%)}.navbar-scrolled{background:#ffffffeb;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px #0000000f}.navbar-scrolled .nav-logo{color:#0a0a0a}.navbar-scrolled .nav-links a{color:#737373}.navbar-scrolled .nav-links a:hover{color:#0a0a0a}.navbar-scrolled .nav-cta{background:#0a0a0a;color:#fff;border-color:#0a0a0a}.navbar-scrolled .nav-cta:hover{background:#262626;border-color:#262626}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--container-max);margin:0 auto;padding:0 calc(var(--content-gutter) + 40px)}.nav-logo{font-family:var(--font-body);font-size:1.125rem;font-weight:700;color:#fff;letter-spacing:-.02em}.nav-links{display:flex;gap:36px}.nav-links a{font-size:.8125rem;font-weight:500;color:#fff9;transition:color .15s ease}.nav-links a:hover{color:#fff}.nav-actions{display:flex;align-items:center}.nav-user-area{display:flex;align-items:center;gap:14px}.nav-cta{font-size:.8125rem;font-weight:600;color:#fff;padding:8px 18px;border-radius:6px;border:1px solid rgba(255,255,255,.25);background:transparent;transition:all .2s ease}.nav-cta:hover{border-color:#ffffff80;background:#ffffff14}:root:has(.tdash),:root:has(.sdash),:root:has(.signin-page),:root:has(.exam-page),:root:has(.dl-page){--nav-force-light: 1}:root:has(.tdash) .navbar,:root:has(.sdash) .navbar,:root:has(.signin-page) .navbar,:root:has(.exam-page) .navbar,:root:has(.dl-page) .navbar{background:#fffffff2;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px #37352f14}:root:has(.tdash) .nav-logo,:root:has(.sdash) .nav-logo,:root:has(.signin-page) .nav-logo,:root:has(.exam-page) .nav-logo,:root:has(.dl-page) .nav-logo{color:#37352f}:root:has(.tdash) .nav-links a,:root:has(.sdash) .nav-links a,:root:has(.signin-page) .nav-links a,:root:has(.exam-page) .nav-links a,:root:has(.dl-page) .nav-links a{color:#9b9a97}:root:has(.tdash) .nav-links a:hover,:root:has(.sdash) .nav-links a:hover,:root:has(.signin-page) .nav-links a:hover,:root:has(.exam-page) .nav-links a:hover,:root:has(.dl-page) .nav-links a:hover{color:#37352f}:root:has(.tdash) .nav-cta,:root:has(.sdash) .nav-cta,:root:has(.signin-page) .nav-cta,:root:has(.exam-page) .nav-cta,:root:has(.dl-page) .nav-cta{color:#fff;border-color:#1c2541;background:#1c2541}:root:has(.tdash) .nav-cta:hover,:root:has(.sdash) .nav-cta:hover,:root:has(.signin-page) .nav-cta:hover,:root:has(.exam-page) .nav-cta:hover,:root:has(.dl-page) .nav-cta:hover{background:#151d33;border-color:#151d33}@media(max-width:768px){.nav-inner{padding:0 var(--content-gutter)}.nav-links,.nav-cta{display:none}}.hero{position:relative;height:100vh;display:flex;align-items:center;overflow:hidden;background:#000}.hero-scene{position:absolute;inset:0;z-index:0;perspective:1200px;overflow:hidden}.hero-obj{position:absolute;pointer-events:none}.hero-torus{border-radius:50%;border:1.5px solid rgba(255,255,255,.1);transform-style:preserve-3d}.hero-torus-1{width:340px;height:340px;top:8%;right:6%;border-color:#ffffff14}.hero-torus-2{width:220px;height:220px;bottom:14%;right:18%;border-color:#ffffff0f;border-style:dashed}.hero-torus-3{width:160px;height:160px;top:30%;right:32%;border-color:#ffffff0d}.hero-noodle{border:1.5px solid rgba(255,255,255,.09);background:transparent}.hero-noodle-1{width:300px;height:100px;top:16%;right:10%;border-radius:50%/80% 80% 20% 20%;border-bottom-color:transparent;border-left-color:transparent;transform:rotate(-20deg)}.hero-noodle-2{width:400px;height:140px;bottom:20%;right:4%;border-radius:50%/20% 20% 80% 80%;border-top-color:transparent;border-right-color:transparent;transform:rotate(12deg)}.hero-noodle-3{width:250px;height:80px;top:55%;right:28%;border-radius:50%/70% 30%;border-bottom-color:transparent;transform:rotate(-35deg);border-color:#ffffff0f}.hero-noodle-4{width:180px;height:60px;top:12%;right:38%;border-radius:50%/30% 70%;border-top-color:transparent;border-left-color:transparent;transform:rotate(25deg);border-color:#ffffff0d}.hero-sphere{border-radius:50%;background:radial-gradient(circle at 35% 35%,rgba(255,255,255,.12),rgba(255,255,255,.03) 60%,transparent);border:1px solid rgba(255,255,255,.06)}.hero-sphere-1{width:18px;height:18px;top:22%;right:24%}.hero-sphere-2{width:10px;height:10px;bottom:30%;right:12%}.hero-sphere-3{width:14px;height:14px;top:48%;right:42%}.hero-line{background:linear-gradient(to right,transparent,rgba(255,255,255,.1),transparent);transform-origin:center}.hero-line-1{width:260px;height:1px;top:40%;right:5%;transform:rotate(-8deg)}.hero-line-2{width:1px;height:200px;bottom:15%;right:30%;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.08),transparent)}.hero-content{position:relative;z-index:2;width:100%;max-width:var(--container-max);margin:0 auto;padding:0 calc(var(--content-gutter) + 40px)}.hero-content-inner{max-width:680px}.hero-title{font-family:var(--font-display);font-size:clamp(3.5rem,7vw,6.5rem);font-weight:400;line-height:1.06;letter-spacing:-.015em;color:#fff;margin:0 0 32px;white-space:pre-line}.hero-tagline{font-size:clamp(.875rem,1.2vw,1rem);font-weight:400;line-height:1.7;color:#ffffff73;margin:0 0 48px;max-width:380px}.hero-actions{display:flex;align-items:center;gap:32px}.hero-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:4px;font-size:.875rem;font-weight:500;font-family:var(--font-body);text-decoration:none;transition:all .2s ease;letter-spacing:.01em}.hero-btn:hover{background:#ffffff0f;border-color:#ffffff8c}.hero-link{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:500;color:#ffffff73;text-decoration:none;transition:color .2s ease;letter-spacing:.01em}.hero-link:hover{color:#fff}.hero-link svg{transition:transform .2s ease}.hero-link:hover svg{transform:translate(3px)}@media(max-width:768px){.hero-content{padding:0 var(--content-gutter)}.hero-title{font-size:clamp(2.5rem,10vw,3.5rem)}.hero-actions{flex-direction:column;align-items:flex-start;gap:20px}.hero-torus-1{width:200px;height:200px;top:5%;right:-40px}.hero-torus-2,.hero-torus-3,.hero-noodle-2,.hero-noodle-3,.hero-noodle-4{display:none}.hero-noodle-1{width:180px;height:60px;right:-20px}.hero-sphere-2,.hero-sphere-3,.hero-line-1,.hero-line-2{display:none}}.hiw{background:#fff;color:#0a0a0a;padding:120px 0;border-top:1px solid #e5e5e5;border-bottom:1px solid #e5e5e5}.hiw-container{max-width:var(--container-max);margin:0 auto;padding:0 calc(var(--content-gutter) + 40px)}.hiw-layout{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.hiw-left{display:flex;flex-direction:column;gap:28px}.hiw-label{display:inline-block;font-size:.6875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#737373}.hiw-text-stack{position:relative;min-height:250px}.hiw-text-slide{position:absolute;top:0;left:0;width:100%;opacity:0;transform:translateY(16px);filter:blur(4px);transition:all .4s cubic-bezier(.16,1,.3,1);pointer-events:none}.hiw-text-slide.active{opacity:1;transform:translateY(0);filter:blur(0);pointer-events:auto}.hiw-step-number{display:inline-block;font-size:.6875rem;font-weight:700;letter-spacing:.08em;color:#a3a3a3;margin-bottom:14px;font-variant-numeric:tabular-nums}.hiw-step-heading{font-family:var(--font-display);font-size:clamp(1.75rem,2.5vw,2.25rem);font-weight:400;line-height:1.25;letter-spacing:-.01em;color:#0a0a0a;margin:0 0 14px}.hiw-step-description{font-size:clamp(.9375rem,1.2vw,1.0625rem);line-height:1.7;color:#525252;margin:0;max-width:420px}.hiw-controls{display:flex;align-items:center;gap:16px}.hiw-arrows{display:flex;gap:4px}.hiw-arrow{width:36px;height:36px;border-radius:50%;border:1px solid #e5e5e5;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#0a0a0a;transition:all .2s ease;padding:0}.hiw-arrow:hover:not(:disabled){border-color:#0a0a0a;background:#0a0a0a;color:#fff}.hiw-arrow:disabled{opacity:.25;cursor:default}.hiw-dots-nav{display:flex;gap:6px}.hiw-nav-dot{width:8px;height:8px;border-radius:50%;background:#d4d4d4;border:none;padding:0;cursor:pointer;transition:all .3s ease}.hiw-nav-dot.active{background:#0a0a0a;width:24px;border-radius:4px}.hiw-counter{font-size:.75rem;font-weight:600;color:#a3a3a3;font-variant-numeric:tabular-nums;letter-spacing:.02em}.hiw-right{display:flex;align-items:center;justify-content:center}.hiw-card-stack{position:relative;width:100%;aspect-ratio:4 / 3}.hiw-stack-card{position:absolute;inset:0;border-radius:16px;border:1px solid #e5e5e5;background:#fafafa;overflow:hidden;transition:all .5s cubic-bezier(.16,1,.3,1);opacity:0;pointer-events:none;transform:translateY(40px) scale(.94)}.hiw-stack-card.active{opacity:1;pointer-events:auto;transform:translateY(0) scale(1);box-shadow:0 8px 40px #0000000f}.hiw-stack-card.behind-1{opacity:.5;transform:translateY(14px) scale(.96)}.hiw-stack-card.behind-2{opacity:.25;transform:translateY(26px) scale(.92)}.hiw-stack-card.exited{opacity:0;transform:translateY(-40px) scale(1.02)}.hiw-card-ui{width:100%;height:100%;display:flex;flex-direction:column}.hiw-card-toolbar{display:flex;align-items:center;gap:6px;padding:14px 18px;border-bottom:1px solid #e5e5e5}.hiw-dot{width:8px;height:8px;border-radius:50%;background:#d4d4d4}.hiw-card-body{padding:28px;display:flex;flex-direction:column;gap:16px;flex:1}.hiw-field-row{display:flex;gap:12px}.hiw-field-half{flex:1}.hiw-field-label{font-size:.6875rem;font-weight:600;color:#737373;letter-spacing:.02em;margin-bottom:6px}.hiw-field-input{padding:12px 14px;border-radius:8px;border:1px solid #e5e5e5;background:#fff;font-size:.875rem;font-weight:500;color:#0a0a0a;display:flex;align-items:center}.hiw-cursor{display:inline-block;width:1.5px;height:16px;background:#0a0a0a;margin-left:1px;animation:hiw-blink 1s step-end infinite;vertical-align:text-bottom}@keyframes hiw-blink{0%,to{opacity:1}50%{opacity:0}}.hiw-publish-btn{padding:12px 20px;background:#0a0a0a;color:#fff;border-radius:8px;font-size:.8125rem;font-weight:600;text-align:center;letter-spacing:.01em;margin-top:auto}.hiw-lock-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;gap:16px;height:100%}.hiw-lock-icon{opacity:.8}.hiw-lock-text{font-size:.9375rem;font-weight:600;color:#0a0a0a;letter-spacing:-.01em}.hiw-lock-indicators{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:4px}.hiw-lock-tag{font-size:.625rem;font-weight:600;padding:4px 10px;border-radius:4px;letter-spacing:.01em}.hiw-lock-tag.ok{background:#dcfce7;color:#16a34a}.hiw-test-toolbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:#1a1a1a;color:#fff;font-size:.6875rem;font-weight:500;letter-spacing:.02em}.hiw-test-timer{font-variant-numeric:tabular-nums;font-weight:700;animation:hiw-blink 2s ease-in-out infinite}.hiw-test-section{color:#fff9}.hiw-test-q{color:#fff6}.hiw-test-body{padding:24px;display:flex;flex-direction:column;gap:10px}.hiw-bar{height:8px;background:#e5e5e5;border-radius:4px}.hiw-bar.short{margin-bottom:8px}.hiw-test-choices{display:flex;flex-direction:column;gap:8px;margin-top:8px}.hiw-choice{height:36px;border-radius:6px;border:1px solid #e5e5e5;background:#fff}.hiw-choice.selected{border-color:#0a0a0a;background:#f5f5f5}.hiw-grade-list{padding:24px;display:flex;flex-direction:column;gap:10px;height:100%}.hiw-grade-row{display:flex;align-items:center;gap:12px;padding:10px 14px;background:#fff;border-radius:6px;border:1px solid #e5e5e5}.hiw-grade-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.hiw-grade-dot.correct{background:#22c55e}.hiw-grade-dot.wrong{background:#ef4444}.hiw-grade-bar{height:8px;background:#e5e5e5;border-radius:4px;flex-shrink:0}.hiw-grade-badge{margin-left:auto;font-size:.6875rem;font-weight:700;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.hiw-grade-badge.correct{background:#dcfce7;color:#16a34a}.hiw-grade-badge.wrong{background:#fee2e2;color:#dc2626}.hiw-grade-summary{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid #e5e5e5;margin-top:auto}.hiw-grade-score{font-size:1.125rem;font-weight:700;color:#0a0a0a;font-variant-numeric:tabular-nums}.hiw-grade-pct{font-size:.8125rem;font-weight:600;color:#16a34a;background:#dcfce7;padding:3px 10px;border-radius:4px}.hiw-results-card{padding:28px;height:100%;display:flex;flex-direction:column}.hiw-results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.hiw-results-title{font-size:.9375rem;font-weight:700;color:#0a0a0a}.hiw-results-badge{font-size:.625rem;font-weight:600;padding:3px 10px;border-radius:4px;background:#dcfce7;color:#16a34a;letter-spacing:.02em}.hiw-results-bars{display:flex;flex-direction:column;gap:16px}.hiw-results-row{display:flex;align-items:center;gap:12px}.hiw-results-label{font-size:.75rem;font-weight:600;color:#525252;width:56px;flex-shrink:0}.hiw-results-track{flex:1;height:8px;background:#e5e5e5;border-radius:4px;overflow:hidden}.hiw-results-fill{height:100%;background:#0a0a0a;border-radius:4px;transition:width .6s cubic-bezier(.16,1,.3,1)}.hiw-results-pct{font-size:.75rem;font-weight:700;color:#0a0a0a;font-variant-numeric:tabular-nums;width:36px;text-align:right;flex-shrink:0}@media(max-width:768px){.hiw{padding:80px 0}.hiw-container{padding:0 var(--content-gutter)}.hiw-layout{grid-template-columns:1fr;gap:40px}.hiw-step-description{max-width:100%}}.demo{background:#fff;padding:160px 0}.demo-container{max-width:var(--container-max);margin:0 auto;padding:0 calc(var(--content-gutter) + 40px)}.demo-header{max-width:680px;margin-bottom:64px}.demo-label{display:inline-block;font-size:.6875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#737373;margin-bottom:20px}.demo-title{font-family:var(--font-display);font-size:clamp(2.5rem,4vw,3.5rem);font-weight:400;line-height:1.2;letter-spacing:-.015em;color:#0a0a0a;margin:0}.demo-player{width:100%;aspect-ratio:16 / 9;border-radius:12px;overflow:hidden;border:1px solid #e5e5e5}.demo-placeholder{width:100%;height:100%;background:#fafafa;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;cursor:pointer;transition:background .2s ease}.demo-placeholder:hover{background:#f0f0f0}.demo-play-icon{opacity:.4;transition:opacity .2s ease}.demo-placeholder:hover .demo-play-icon{opacity:1}.demo-placeholder-text{font-size:.8125rem;font-weight:500;color:#a3a3a3;letter-spacing:.01em}@media(max-width:768px){.demo{padding:100px 0}.demo-container{padding:0 var(--content-gutter)}.demo-header{margin-bottom:40px}}.features{background:#fff;color:#0a0a0a;padding:160px 0}.features-container{max-width:var(--container-max);margin:0 auto;padding:0 calc(var(--content-gutter) + 40px)}.features-header{max-width:680px;margin-bottom:80px}.features-label{display:inline-block;font-size:.6875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#737373;margin-bottom:20px}.features-title{font-family:var(--font-display);font-size:clamp(2.5rem,4vw,3.5rem);font-weight:400;line-height:1.2;letter-spacing:-.015em;color:#0a0a0a;margin:0 0 20px}.features-subtitle{font-size:clamp(1rem,1.4vw,1.125rem);line-height:1.65;color:#525252;margin:0}.features-divider{border:none;border-top:1px solid #e5e5e5;margin-left:calc(-50vw + 50%);margin-right:calc(-50vw + 50%);margin-top:0;margin-bottom:80px}.features-bento+.features-divider{margin-top:80px}.features-bento{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:0}.bento-card{background:#fafafa;border:1px solid #e5e5e5;border-radius:12px;padding:28px 28px 0;display:flex;flex-direction:column;overflow:hidden;transition:border-color .2s ease}.bento-card:hover{border-color:#c4c4c4}.bento-large{grid-column:span 2;min-height:380px}.bento-small{grid-column:span 1;min-height:380px}.bento-third{grid-column:span 1;min-height:320px}.bento-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;flex-shrink:0}.bento-card-head h3{font-family:var(--font-body);font-size:1.0625rem;font-weight:600;line-height:1.4;color:#0a0a0a;margin:0;letter-spacing:-.01em;max-width:320px}.card-arrow{flex-shrink:0;color:#a3a3a3;margin-top:2px;transition:color .2s ease}.bento-card:hover .card-arrow{color:#0a0a0a}.card-visual{flex:1;border-radius:8px 8px 0 0;overflow:hidden;display:flex;align-items:flex-end;justify-content:center}.visual-bluebook{align-items:stretch}.vb-window{flex:1;background:#fff;border-radius:8px 8px 0 0;border:1px solid #e5e5e5;border-bottom:none;display:flex;flex-direction:column;overflow:hidden}.vb-toolbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:#1a1a1a;color:#fff;font-size:.6875rem;font-weight:500;letter-spacing:.02em}.vb-timer{font-variant-numeric:tabular-nums;color:#fff;font-weight:700;animation:timer-pulse 2s ease-in-out infinite}.vb-section{color:#fff9}.vb-flag{color:#fff6}.vb-body{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#e5e5e5}.vb-question{background:#fff;padding:20px;display:flex;flex-direction:column;gap:10px}.vb-q-bar{height:8px;background:#e5e5e5;border-radius:4px}.vb-q-bar.short{margin-bottom:8px}.vb-choices{display:flex;flex-direction:column;gap:8px;margin-top:auto}.vb-choice{height:32px;border-radius:6px;border:1px solid #e5e5e5;background:#fafafa}.vb-choice.active{border-color:#0a0a0a;background:#f5f5f5}.vb-desmos{background:#fff;padding:16px;display:flex;flex-direction:column}.vb-desmos-label{font-size:.625rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#a3a3a3;margin-bottom:8px}.vb-graph{flex:1;width:100%}.vb-glider{offset-path:path("M15 72 Q60 15 105 50 T185 22");offset-distance:0%;offset-rotate:0deg}.bento-large:hover .vb-glider{animation:glide-path 3.5s ease-in-out infinite alternate}@keyframes glide-path{0%{offset-distance:0%}to{offset-distance:100%}}.visual-analytics{align-items:stretch}.va-chart{flex:1;background:#fff;border-radius:8px 8px 0 0;border:1px solid #e5e5e5;border-bottom:none;padding:20px 20px 0;display:flex;flex-direction:column}.va-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.va-metric{font-size:1.5rem;font-weight:700;color:#0a0a0a;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1;margin-bottom:4px}.va-label{font-size:.6875rem;font-weight:500;color:#a3a3a3;letter-spacing:.01em}.va-badge-up{font-size:.6875rem;font-weight:600;color:#16a34a;background:#dcfce7;padding:3px 8px;border-radius:4px}.va-graph{flex:1;display:flex;flex-direction:column;justify-content:flex-end}.va-bars{display:flex;align-items:flex-end;justify-content:center;width:100%;padding-inline:4px;gap:3px;flex:1}.va-bar{flex:1;height:var(--bar-h);background:#0a0a0a;border-radius:1.5px 1.5px 0 0;transition:height .4s cubic-bezier(.2,0,0,1)}.bento-small:hover .va-bar{height:calc(var(--bar-h) + 6%)}.va-x-axis{display:flex;justify-content:space-between;padding:8px 4px 12px;border-top:1px solid #f0f0f0}.va-x-axis span{font-size:.5625rem;font-weight:500;color:#a3a3a3;letter-spacing:.02em}.visual-integrity{align-items:stretch}.vi-stack{flex:1;background:#fff;border-radius:8px 8px 0 0;border:1px solid #e5e5e5;border-bottom:none;padding:16px;display:flex;flex-direction:column;gap:10px}.vi-scan-label{display:flex;align-items:center;gap:6px;font-size:.625rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#16a34a;padding:0 4px;margin-bottom:2px}.vi-scan-dot{width:6px;height:6px;border-radius:50%;background:#22c55e;animation:scan-blink 1.5s ease-in-out infinite}@keyframes scan-blink{0%,to{opacity:1;box-shadow:0 0 #22c55e66}50%{opacity:.6;box-shadow:0 0 0 4px #22c55e00}}.vi-row{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#fafafa;border-radius:6px;animation:row-slide .5s cubic-bezier(.16,1,.3,1) both}@keyframes row-slide{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}.vi-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.vi-dot.green{background:#22c55e}.vi-dot.yellow{background:#eab308;animation:warn-pulse 2s ease-in-out infinite}@keyframes warn-pulse{0%,to{box-shadow:0 0 #eab3084d}50%{box-shadow:0 0 0 4px #eab30800}}.vi-text-bar{height:8px;background:#e5e5e5;border-radius:4px;flex-shrink:0}.vi-badge{margin-left:auto;font-size:.625rem;font-weight:600;padding:3px 8px;border-radius:4px;white-space:nowrap}.vi-badge.ok{background:#dcfce7;color:#16a34a}.vi-badge.warn{background:#fef9c3;color:#a16207}.visual-timed{align-items:stretch}.vt-list{flex:1;background:#fff;border-radius:8px 8px 0 0;border:1px solid #e5e5e5;border-bottom:none;padding:12px;display:flex;flex-direction:column;gap:8px}.vt-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:8px;background:#fafafa;border:1px solid transparent;animation:item-enter .4s cubic-bezier(.16,1,.3,1) both;position:relative}@keyframes item-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.vt-item.active{background:#f5f5f5;border-color:#0a0a0a}.vt-name-bar{height:8px;background:#e5e5e5;border-radius:4px;flex-shrink:0}.vt-item.active .vt-name-bar{background:#d4d4d4}.vt-time,.vt-count{font-size:.6875rem;font-weight:600;color:#a3a3a3;white-space:nowrap;margin-left:auto}.vt-count{margin-left:0;color:#c4c4c4}.vt-item.active .vt-time{color:#0a0a0a}.vt-progress{position:absolute;bottom:0;left:14px;right:14px;height:2px;background:#0000000f;border-radius:1px;overflow:hidden}.vt-progress-fill{display:block;height:100%;width:0;background:#0a0a0a;border-radius:1px;animation:progress-sweep 4s ease-in-out infinite}@keyframes progress-sweep{0%{width:0}50%{width:68%}to{width:68%;opacity:.4}}.visual-integration{align-items:stretch;justify-content:center}.vn-hub{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:8px}.vn-center{padding:10px 24px;border-radius:8px;background:#0a0a0a;color:#fff;font-size:.8125rem;font-weight:700;letter-spacing:.02em;animation:center-glow 3s ease-in-out infinite}@keyframes center-glow{0%,to{box-shadow:0 0 #0000}50%{box-shadow:0 0 20px 4px #00000014}}.vn-spokes{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%}.vn-spoke{display:flex;flex-direction:column;align-items:center;gap:6px}.vn-endpoint{padding:8px 14px;border-radius:6px;border:1px solid #e5e5e5;background:#fff;font-size:.6875rem;font-weight:600;color:#525252;white-space:pre-line;text-align:center;line-height:1.3;width:100%}.vn-connector{width:1px;height:20px;background:#e5e5e5;position:relative;overflow:visible}.vn-pulse{position:absolute;left:50%;top:0;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:#0a0a0a;animation:data-flow 2s ease-in-out infinite}@keyframes data-flow{0%{top:-2px;opacity:0}20%{opacity:1}80%{opacity:1}to{top:18px;opacity:0}}.features-cta{display:flex;align-items:center;gap:16px}.features-btn-primary{display:inline-flex;align-items:center;padding:12px 22px;background:#0a0a0a;color:#fff;border-radius:6px;font-size:.9375rem;font-weight:600;text-decoration:none;transition:background .2s ease}.features-btn-primary:hover{background:#262626}.features-btn-primary .btn-arrow{display:inline-block;margin-left:6px;transition:transform .2s ease}.features-btn-primary:hover .btn-arrow{transform:translate(3px)}.features-btn-secondary{display:inline-flex;align-items:center;padding:12px 22px;background:transparent;color:#525252;border:1px solid #d4d4d4;border-radius:6px;font-size:.9375rem;font-weight:600;text-decoration:none;transition:all .2s ease}.features-btn-secondary:hover{border-color:#0a0a0a;color:#0a0a0a}@media(max-width:1024px){.features-bento{grid-template-columns:repeat(2,1fr)}.bento-large{grid-column:span 2}.bento-third:last-child{grid-column:span 2}}@media(max-width:768px){.features{padding:100px 0}.features-container{padding:0 var(--content-gutter)}.features-header{margin-bottom:48px}.features-bento{grid-template-columns:1fr;margin-bottom:48px}.bento-large,.bento-third:last-child{grid-column:span 1}.bento-large,.bento-small,.bento-third{min-height:300px}.features-cta{flex-direction:column;align-items:flex-start}}.signin-page{min-height:100vh;padding-top:152px;padding-bottom:80px;display:flex;align-items:flex-start;justify-content:center;background:#fff}.signin-wrapper{width:100%;max-width:440px;padding:0 var(--content-gutter)}.exam-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:80px 24px 48px;background:#fff;color:#37352f}.exam-container{max-width:560px;width:100%;display:flex;flex-direction:column;align-items:center;gap:32px}.exam-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.exam-icon{width:80px;height:80px;border-radius:20px;background:#6b2d3e0f;border:1px solid rgba(107,45,62,.12);display:flex;align-items:center;justify-content:center;color:#6b2d3e;margin-bottom:8px}.exam-icon-success{background:#1c25410f;border-color:#1c25411f;color:#1c2541}.exam-icon-blocked{background:#6b2d3e0f;border-color:#6b2d3e26;color:#6b2d3e}.exam-hero h1{font-family:var(--font-display);font-size:2.4rem;font-weight:400;color:#37352f;letter-spacing:-.02em}.exam-subtitle{font-size:.95rem;color:#9b9a97;line-height:1.6;max-width:420px}.exam-warning{display:flex;align-items:center;gap:10px;padding:12px 18px;background:#6b2d3e0a;border:1px solid rgba(107,45,62,.12);border-radius:8px;color:#6b2d3e;font-size:.85rem;width:100%}.exam-form{width:100%;display:flex;flex-direction:column;gap:12px}.exam-input{width:100%;padding:14px 16px;background:#fff;border:1px solid rgba(55,53,47,.16);border-radius:4px;color:#37352f;font-size:.95rem;font-family:var(--font-body);outline:none;transition:border-color .15s}.exam-input::placeholder{color:#c4c4c0}.exam-input:focus{border-color:#6b2d3e;box-shadow:0 0 0 2px #6b2d3e1a}.exam-start-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:14px;background:#1c2541;color:#fff;border:none;border-radius:4px;font-size:.9375rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .15s;text-decoration:none}.exam-start-btn:hover{background:#151d33;color:#fff}.exam-btn-disabled{opacity:.35;pointer-events:none}.exam-active{flex-direction:column;padding:0;background:#fafaf8}.exam-active-toolbar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;gap:12px;height:52px;padding:0 20px;background:#fff;border-bottom:1px solid rgba(55,53,47,.09)}.exam-active-status{display:flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;color:#37352f;font-family:var(--font-body)}.exam-active-dot{width:7px;height:7px;border-radius:50%;background:#6b2d3e;animation:pulse-dot 2s infinite}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.3}}.exam-progress-text{font-size:.8rem;color:#9b9a97;margin-left:auto}.exam-finish-btn{padding:6px 14px;background:#6b2d3e;color:#fff;border:none;border-radius:4px;font-size:.8rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .15s}.exam-finish-btn:hover{background:#552232}.exam-timer{font-size:1rem;font-weight:600;font-family:SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;color:#37352f;padding:4px 12px;background:#37352f0a;border-radius:4px}.exam-timer--warning{color:#6b2d3e;background:#6b2d3e0f}.exam-timer--critical{color:#6b2d3e;background:#6b2d3e14;animation:timer-pulse 1s ease-in-out infinite}@keyframes timer-pulse{0%,to{opacity:1}50%{opacity:.5}}.exam-calc-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:transparent;color:#9b9a97;border:1px solid rgba(55,53,47,.16);border-radius:4px;font-size:.8rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:all .1s}.exam-calc-btn:hover{background:#37352f0a;color:#37352f}.exam-calc-btn--active{background:#6b2d3e0f;border-color:#6b2d3e;color:#6b2d3e}.exam-take-full{width:100%;padding:68px 48px 48px;display:flex;flex-direction:column;gap:20px;flex:1;overflow-y:auto}.exam-question-nav{display:flex;flex-wrap:wrap;gap:4px}.exam-nav-dot{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:4px;border:1px solid rgba(55,53,47,.12);background:#fff;color:#9b9a97;font-size:.7rem;font-weight:600;font-family:var(--font-body);cursor:pointer;transition:all .1s}.exam-nav-dot:hover{border-color:#37352f4d;color:#37352f}.exam-nav-active{border-color:#6b2d3e;background:#6b2d3e0f;color:#6b2d3e}.exam-nav-answered{background:#1c25410f;border-color:#1c254133;color:#1c2541}.exam-nav-active.exam-nav-answered{border-color:#6b2d3e;background:#6b2d3e0f;color:#6b2d3e}.exam-question-card{background:#fff;border:1px solid rgba(55,53,47,.09);border-radius:8px;padding:36px 40px;display:flex;flex-direction:column;gap:24px;flex:1}.exam-question-num{font-size:.7rem;font-weight:600;color:#9b9a97;text-transform:uppercase;letter-spacing:.06em}.exam-question-image{max-width:100%;max-height:300px;border-radius:6px;object-fit:contain;border:1px solid rgba(55,53,47,.09)}.exam-question-text{font-family:var(--font-display);font-size:1.4rem;font-weight:400;color:#37352f;line-height:1.5}.exam-frq-label{margin-left:10px;font-size:.6rem;font-family:var(--font-body);background:#8b6d5c1a;color:#8b6d5c;padding:2px 8px;border-radius:3px;vertical-align:middle;text-transform:uppercase;letter-spacing:.04em}.exam-answer-options{display:flex;flex-direction:column;gap:8px}.exam-answer-btn{display:flex;align-items:center;gap:14px;padding:14px 18px;background:#fff;border:1px solid rgba(55,53,47,.12);border-radius:4px;cursor:pointer;transition:all .1s;text-align:left}.exam-answer-btn:hover{background:#37352f06;border-color:#37352f33}.exam-answer-selected{background:#6b2d3e0a;border-color:#6b2d3e}.exam-answer-letter{width:28px;height:28px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#37352f0a;color:#9b9a97;font-size:.75rem;font-weight:700;font-family:var(--font-body);transition:all .1s}.exam-answer-selected .exam-answer-letter{background:#6b2d3e;color:#fff}.exam-answer-text{font-size:.9375rem;color:#37352f;font-family:var(--font-body)}.exam-frq-textarea{width:100%;padding:14px;background:#fff;border:1px solid rgba(55,53,47,.16);border-radius:4px;color:#37352f;font-size:.9375rem;font-family:var(--font-body);line-height:1.6;outline:none;resize:vertical;transition:border-color .15s}.exam-frq-textarea::placeholder{color:#c4c4c0}.exam-frq-textarea:focus{border-color:#6b2d3e;box-shadow:0 0 0 2px #6b2d3e1a}.exam-question-footer{display:flex;justify-content:space-between;gap:12px;margin-top:8px}.exam-nav-btn{padding:10px 22px;background:#fff;color:#37352f;border:1px solid rgba(55,53,47,.16);border-radius:4px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:all .1s}.exam-nav-btn:hover:not(:disabled){background:#37352f0a;border-color:#37352f4d}.exam-nav-btn:disabled{opacity:.3;cursor:not-allowed}.exam-nav-next{background:#1c2541;color:#fff;border-color:#1c2541}.exam-nav-next:hover:not(:disabled){background:#151d33;color:#fff}.exam-nav-submit{background:#6b2d3e;color:#fff;border-color:#6b2d3e}.exam-nav-submit:hover{background:#552232;color:#fff}.calc-window{position:fixed;z-index:150;width:460px;height:520px;display:flex;flex-direction:column;background:#fff;border-radius:8px;box-shadow:0 8px 40px #00000026,0 0 0 1px #37352f17;overflow:hidden;resize:both;min-width:340px;min-height:380px}.calc-titlebar{display:flex;align-items:center;gap:6px;padding:0 8px;height:36px;background:#fafaf8;border-bottom:1px solid rgba(55,53,47,.09);cursor:grab;-webkit-user-select:none;user-select:none;flex-shrink:0}.calc-titlebar:active{cursor:grabbing}.calc-titlebar-drag{color:#c4c4c0;display:flex;align-items:center;flex-shrink:0}.calc-titlebar-label{font-size:.75rem;font-weight:600;color:#9b9a97;margin-right:4px}.calc-tabs{display:flex;gap:2px;background:#37352f0a;border-radius:4px;padding:2px;margin-left:auto}.calc-tab{display:flex;align-items:center;gap:4px;padding:3px 10px;border:none;border-radius:3px;background:transparent;font-size:.7rem;font-weight:500;font-family:var(--font-body);color:#9b9a97;cursor:pointer;transition:all .08s}.calc-tab:hover{color:#37352f}.calc-tab--on{background:#fff;color:#37352f;box-shadow:0 1px 2px #0000000d}.calc-close{width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:4px;color:#c4c4c0;cursor:pointer;transition:all .08s;margin-left:4px;flex-shrink:0}.calc-close:hover{background:#37352f0a;color:#6b2d3e}.calc-body{flex:1;min-height:0;position:relative}.calc-desmos{width:100%;height:100%;position:absolute;inset:0}@media(max-width:768px){.exam-take-full{padding:64px 16px 32px}.exam-question-card{padding:24px 20px}.calc-window{width:calc(100vw - 16px)!important;height:50vh!important;left:8px!important;bottom:8px!important;top:auto!important}}.sdash{min-height:100vh;background:#fff;color:#37352f;padding:72px 0 0}.sdash-container{max-width:900px;margin:0 auto;padding:40px 96px 80px;display:flex;flex-direction:column;gap:32px}.sdash-header{display:flex;align-items:flex-end;justify-content:space-between}.sdash-greeting{font-family:var(--font-display);font-size:2.5rem;font-weight:500;color:#37352f;letter-spacing:-.02em;line-height:1.2}.sdash-sub{font-size:.875rem;color:#9b9a97;margin-top:4px}.sdash-badge{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:500;padding:4px 10px;border-radius:3px;white-space:nowrap}.sdash-badge-secure{background:#6b2d3e0f;color:#6b2d3e}.sdash-badge-warn{background:#9b6a561a;color:#8b6d5c}.sdash-badge-dot{width:6px;height:6px;border-radius:50%}.sdash-badge-dot-green{background:#6b2d3e}.sdash-badge-dot-yellow{background:#8b6d5c}.sdash-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}.sdash-feature-card{padding:20px;border-radius:8px;display:flex;flex-direction:column;gap:6px}.sdash-feature-blue{background:#1c2541}.sdash-feature-blue .sdash-feature-label{color:#fff}.sdash-feature-blue .sdash-feature-desc{color:#ffffff80}.sdash-feature-blue .sdash-feature-arrow{color:#ffffff4d}.sdash-feature-peach{background:#f0e6d9}.sdash-feature-top{display:flex;align-items:center;justify-content:space-between}.sdash-feature-label{font-size:.875rem;font-weight:600;color:#37352f}.sdash-feature-arrow{color:#37352f4d}.sdash-feature-desc{font-size:.8rem;color:#37352f8c;line-height:1.45;margin-bottom:8px}.sdash-feature-stat{display:flex;align-items:baseline;gap:6px;margin-top:auto}.sdash-feature-stat-num{font-size:1.5rem;font-weight:700;color:#37352f;line-height:1}.sdash-feature-stat-label{font-size:.7rem;color:#37352f80}.sdash-join-form{display:flex;gap:8px}.sdash-input{flex:1;padding:8px 12px;background:#ffffff1f;border:1px solid rgba(255,255,255,.15);border-radius:4px;color:#fff;font-size:.9375rem;font-family:SFMono-Regular,Menlo,monospace;letter-spacing:.08em;outline:none;transition:box-shadow .15s,background .15s}.sdash-input::placeholder{font-family:var(--font-body);letter-spacing:0;color:#ffffff59}.sdash-input:focus{background:#ffffff2e;box-shadow:0 0 0 2px #ffffff26;border-color:#ffffff4d}.sdash-join-btn{padding:8px 16px;background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:4px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .1s;white-space:nowrap}.sdash-join-btn:hover:not(:disabled){background:#ffffff40}.sdash-join-btn:disabled{opacity:.35;cursor:not-allowed}.sdash-sections{display:flex;flex-direction:column;gap:0}.sdash-card{padding:0;background:transparent;border:none;border-radius:0}.sdash-card h3{font-size:.75rem;font-weight:600;color:#9b9a97;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}.sdash-card-full{grid-column:unset}.sdash-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:48px 0;color:#c4c4c0}.sdash-empty svg{opacity:.25}.sdash-empty p{font-size:.875rem;color:#9b9a97}.sdash-results-list{display:flex;flex-direction:column;border-top:1px solid rgba(55,53,47,.09)}.sdash-result-row{display:flex;align-items:center;justify-content:space-between;padding:10px 8px;border-bottom:1px solid rgba(55,53,47,.09);transition:background .08s}.sdash-result-row:hover{background:#37352f06}.sdash-result-info h4{font-size:.875rem;font-weight:500;color:#37352f}.sdash-result-info p{font-size:.75rem;color:#9b9a97;margin-top:1px}.sdash-result-score{display:flex;align-items:center;gap:10px;flex-shrink:0}.sdash-score-num{font-size:.875rem;font-weight:600;font-variant-numeric:tabular-nums;color:#37352f}.sdash-score-pct{font-size:.7rem;font-weight:500;color:#6b2d3e;background:#6b2d3e0f;padding:1px 6px;border-radius:3px}@media(max-width:768px){.sdash-container{padding:24px 20px 60px}.sdash-header{flex-direction:column;gap:8px;align-items:flex-start}.sdash-greeting{font-size:1.75rem}.sdash-cards{grid-template-columns:1fr}.sdash-join-form{flex-direction:column}}.tdash{min-height:100vh;background:#fff;color:#37352f;padding:72px 0 0}.tdash-container{max-width:900px;margin:0 auto;padding:40px 96px 80px}.tdash-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:32px}.tdash-greeting{font-family:var(--font-display);font-size:2.5rem;font-weight:500;color:#37352f;letter-spacing:-.02em;line-height:1.2}.tdash-sub{font-size:.875rem;color:#9b9a97;margin-top:4px}.tdash-create-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:transparent;color:#37352f;border:1px solid rgba(55,53,47,.16);border-radius:4px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .1s}.tdash-create-btn:hover{background:#37352f0a}.tdash-create-btn svg{opacity:.6}.tdash-stats{display:none}.tdash-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:36px}.tdash-card{display:flex;align-items:flex-start;gap:14px;padding:20px;border-radius:8px;border:none;text-align:left;cursor:default;font-family:var(--font-body);transition:box-shadow .15s,transform .15s;position:relative}button.tdash-card{cursor:pointer}button.tdash-card:hover{box-shadow:0 2px 8px #0000000f;transform:translateY(-1px)}.tdash-card-blue{background:#1c2541}.tdash-card-blue .tdash-card-icon,.tdash-card-blue .tdash-card-label{color:#fff}.tdash-card-blue .tdash-card-desc{color:#ffffff8c}.tdash-card-blue .tdash-card-arrow{color:#ffffff59}button.tdash-card.tdash-card-blue:hover .tdash-card-arrow{color:#ffffffb3}.tdash-card-blue .tdash-card-icon{background:#ffffff1a}.tdash-card-peach{background:#f0e6d9}.tdash-card-peach .tdash-card-icon{color:#6b2d3e}.tdash-card-green{background:#f7f2ec;grid-column:1 / -1}.tdash-card-green .tdash-card-icon{color:#6b2d3e}.tdash-card-icon{flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:#fff9}.tdash-card-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.tdash-card-label{font-size:.875rem;font-weight:600;color:#37352f}.tdash-card-desc{font-size:.8rem;color:#37352f99;line-height:1.45}.tdash-card-arrow{position:absolute;top:20px;right:18px;color:#37352f4d;transition:color .1s,transform .1s}button.tdash-card:hover .tdash-card-arrow{color:#37352f99;transform:translate(2px)}.tdash-card-metric{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:0;padding:4px 10px;background:#ffffff80;border-radius:6px}.tdash-card-metric-num{font-size:1.25rem;font-weight:700;color:#37352f;font-variant-numeric:tabular-nums;line-height:1.2}.tdash-card-metric-label{font-size:.65rem;color:#37352f80}.tdash-section h2{font-size:.75rem;font-weight:600;color:#9b9a97;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}.tdash-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.tdash-section-header h2{font-size:.75rem;font-weight:600;color:#9b9a97;text-transform:uppercase;letter-spacing:.06em}.tdash-section-add{display:flex;align-items:center;gap:4px;padding:4px 10px;background:transparent;color:#9b9a97;border:1px solid rgba(55,53,47,.16);border-radius:4px;font-size:.75rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:all .08s}.tdash-section-add:hover{background:#37352f0a;color:#37352f}.tdash-hint{font-size:.8125rem;color:#c4c4c0;padding:4px 0}.tdash-courses{display:flex;flex-direction:column;gap:4px}.tdash-course{border:1px solid rgba(55,53,47,.09);border-radius:6px;overflow:hidden}.tdash-course[open]{border-color:#37352f1f}.tdash-course-header{display:flex;align-items:center;gap:8px;padding:10px 12px;background:#fafaf8;cursor:pointer;list-style:none;-webkit-user-select:none;user-select:none;transition:background .08s}.tdash-course-header:hover{background:#37352f0a}.tdash-course-header::-webkit-details-marker{display:none}.tdash-course-chevron{color:#c4c4c0;flex-shrink:0;transition:transform .15s}.tdash-course[open] .tdash-course-chevron{transform:rotate(90deg)}.tdash-course-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}.tdash-course-name{font-size:.875rem;font-weight:600;color:#37352f}.tdash-course-desc{font-size:.75rem;color:#9b9a97}.tdash-course-count{font-size:.7rem;color:#9b9a97;flex-shrink:0}.tdash-course-delete{width:22px;height:22px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:4px;color:#c4c4c0;cursor:pointer;flex-shrink:0;opacity:0;transition:all .08s}.tdash-course-header:hover .tdash-course-delete{opacity:1}.tdash-course-delete:hover{color:#6b2d3e;background:#6b2d3e0f}.tdash-course-body{border-top:1px solid rgba(55,53,47,.06)}.tdash-course-body .tdash-exam-list{border-top:none}.tdash-course-body .tdash-exam-row{padding-left:28px}.tdash-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:60px 0;color:#c4c4c0;text-align:center}.tdash-empty svg{opacity:.3}.tdash-empty p{font-size:.875rem;color:#9b9a97}.tdash-exam-list{display:flex;flex-direction:column;border-top:1px solid rgba(55,53,47,.09)}.tdash-exam-row{display:flex;align-items:center;gap:16px;padding:10px 8px;border-bottom:1px solid rgba(55,53,47,.09);transition:background .08s}.tdash-exam-row:hover{background:#37352f06}.tdash-exam-info{flex:1;min-width:0}.tdash-exam-info h3{font-size:.875rem;font-weight:500;color:#37352f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tdash-exam-info p{font-size:.75rem;color:#9b9a97;margin-top:1px}.tdash-exam-code{display:flex;align-items:center;gap:6px}.tdash-code-label{font-size:.65rem;color:#c4c4c0;text-transform:uppercase;letter-spacing:.04em;display:none}.tdash-code-value{font-size:.8rem;font-weight:500;font-family:SFMono-Regular,Menlo,monospace;color:#9b9a97;background:#37352f0a;padding:2px 6px;border-radius:3px;letter-spacing:.04em}.tdash-status{font-size:.7rem;font-weight:500;padding:2px 8px;border-radius:3px}.tdash-status-draft{background:#37352f0f;color:#9b9a97}.tdash-status-active{background:#6b2d3e14;color:#6b2d3e}.tdash-status-closed{background:#d44c4714;color:#d44c47}.tdash-exam-actions{display:flex;gap:4px;flex-shrink:0;opacity:0;transition:opacity .1s}.tdash-exam-row:hover .tdash-exam-actions{opacity:1}.tdash-action-btn{padding:4px 10px;background:transparent;color:#37352f;border:1px solid rgba(55,53,47,.16);border-radius:4px;font-size:.75rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .08s}.tdash-action-btn:hover{background:#37352f0a}.tdash-modal-overlay{position:fixed;inset:0;z-index:200;background:#0f0f0f99;display:flex;align-items:center;justify-content:center}.tdash-modal{background:#fff;border-radius:8px;padding:24px;width:100%;max-width:420px;box-shadow:0 2px 10px #0f0f0f1a,0 0 0 1px #0f0f0f0d}.tdash-modal h2{font-size:1.125rem;font-weight:600;color:#37352f;margin-bottom:16px;font-family:var(--font-body)}.tdash-field-label{display:block;font-size:.75rem;font-weight:500;color:#9b9a97;margin-bottom:4px}.tdash-field-label:first-of-type{margin-top:0}.tdash-field-input{width:100%;padding:8px 10px;background:#fff;border:1px solid rgba(55,53,47,.16);border-radius:4px;color:#37352f;font-size:.875rem;font-family:var(--font-body);outline:none;transition:box-shadow .15s}.tdash-field-input::placeholder{color:#c4c4c0}.tdash-field-input:focus{box-shadow:0 0 0 2px #6b2d3e33;border-color:#6b2d3e}.tdash-modal-actions{display:flex;gap:8px;margin-top:20px;justify-content:flex-end}.tdash-modal-cancel,.tdash-modal-submit{padding:6px 14px;border:none;border-radius:4px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .1s}.tdash-modal-cancel{background:transparent;color:#37352f;border:1px solid rgba(55,53,47,.16)}.tdash-modal-cancel:hover{background:#37352f0a}.tdash-modal-submit{background:#6b2d3e;color:#fff}.tdash-modal-submit:hover:not(:disabled){background:#552232}.tdash-modal-submit:disabled{opacity:.35;cursor:not-allowed}.tdash-modal-submit--danger{background:#c4302b}.tdash-modal-submit--danger:hover:not(:disabled){background:#a82723}.tdash-confirm-text{font-size:.875rem;color:#6b6b6b;line-height:1.6;margin-bottom:4px}.tdash-confirm-text strong{color:#37352f}.tdash-action-btn--danger{color:#6b2d3e}.tdash-action-btn--danger:hover{background:#6b2d3e0f}.ee{position:fixed;inset:0;display:flex;flex-direction:column;background:#fff;z-index:100}.ee-topbar{display:flex;align-items:center;gap:10px;height:52px;padding:0 16px;border-bottom:1px solid rgba(55,53,47,.09);flex-shrink:0}.ee-topbar-back{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:6px;color:#9b9a97;cursor:pointer;transition:all .08s;flex-shrink:0}.ee-topbar-back:hover{background:#37352f0a;color:#37352f}.ee-topbar-title{flex:1;min-width:0;background:transparent;border:none;outline:none;font-family:var(--font-body);font-size:.9375rem;font-weight:500;color:#37352f}.ee-topbar-title::placeholder{color:#c4c4c0}.ee-topbar-code{font-size:.75rem;font-family:SFMono-Regular,Menlo,monospace;color:#9b9a97;background:#37352f0a;padding:3px 8px;border-radius:4px;letter-spacing:.04em}.ee-topbar-spacer{flex:1}.ee-topbar-save{padding:6px 16px;background:#6b2d3e;color:#fff;border:none;border-radius:6px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .1s}.ee-topbar-save:hover{background:#552232}.ee-topbar-save:disabled{opacity:.4;cursor:not-allowed}.ee-body{flex:1;display:flex;overflow:hidden}.ee-sidebar{width:230px;flex-shrink:0;border-right:1px solid rgba(55,53,47,.09);display:flex;flex-direction:column;background:#fafaf9}.ee-sidebar-list{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:2px}.ee-sidebar-item{display:flex;align-items:flex-start;gap:8px;padding:8px 10px;background:transparent;border:2px solid transparent;border-radius:6px;cursor:pointer;text-align:left;font-family:var(--font-body);transition:all .08s;width:100%}.ee-sidebar-item:hover{background:#37352f0a}.ee-sidebar-item--active{background:#fff;border-color:#6b2d3e;box-shadow:0 1px 3px #0000000f}.ee-sidebar-num{font-size:.7rem;font-weight:700;color:#9b9a97;min-width:16px;text-align:center;line-height:1.5}.ee-sidebar-item--active .ee-sidebar-num{color:#6b2d3e}.ee-sidebar-preview{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.ee-sidebar-type{font-size:.6rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:#9b9a97}.ee-sidebar-type--mcq{color:#6b2d3e}.ee-sidebar-type--frq{color:#8b6d5c}.ee-sidebar-text{font-size:.75rem;color:#6b6b6b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ee-sidebar-add{padding:8px;border-top:1px solid rgba(55,53,47,.09);display:flex;flex-direction:column;gap:4px}.ee-sidebar-add-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:8px;background:transparent;border:1px dashed rgba(55,53,47,.16);border-radius:6px;color:#9b9a97;font-size:.75rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:all .08s}.ee-sidebar-add-btn:hover{background:#37352f0a;color:#37352f;border-color:#37352f4d}.ee-sidebar-add-btn:disabled{opacity:.5;cursor:not-allowed}.ee-sidebar-add-btn--pdf{border-style:solid;border-color:#6b2d3e33;color:#6b2d3e}.ee-sidebar-add-btn--pdf:hover:not(:disabled){background:#6b2d3e0a;border-color:#6b2d3e59;color:#6b2d3e}.ee-sidebar-divider{height:1px;background:#37352f17;margin:2px 0}.ee-sidebar-error{font-size:.7rem;color:#6b2d3e;padding:0 4px;line-height:1.3}.ee-pdf-overlay{position:fixed;inset:0;z-index:200;background:#0f0f0f80;display:flex;align-items:center;justify-content:center}.ee-pdf-drop{width:420px;background:#fff;border:2px dashed rgba(55,53,47,.2);border-radius:12px;padding:48px 32px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;transition:border-color .15s,background .15s;color:#9b9a97}.ee-pdf-drop--over{border-color:#6b2d3e;background:#6b2d3e08}.ee-pdf-drop h3{font-family:var(--font-body);font-size:1rem;font-weight:600;color:#37352f;margin:0}.ee-pdf-drop p{font-size:.8125rem;color:#9b9a97;line-height:1.4;margin:0}.ee-pdf-browse{margin-top:8px;padding:8px 20px;background:#1c2541;color:#fff;border:none;border-radius:4px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .1s}.ee-pdf-browse:hover{background:#151d33}.ee-pdf-overlay--processing{background:#ffffffd9}.ee-pdf-processing{display:flex;flex-direction:column;align-items:center;gap:16px}.ee-pdf-processing p{font-size:.875rem;color:#6b6b6b}.ee-pdf-spinner{width:32px;height:32px;border:2.5px solid rgba(55,53,47,.1);border-top-color:#6b2d3e;border-radius:50%;animation:ee-spin .7s linear infinite}@keyframes ee-spin{to{transform:rotate(360deg)}}.ee-center{flex:1;overflow-y:auto;display:flex;flex-direction:column;align-items:center;padding:32px 24px;background:#f7f6f3}.ee-center-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#c4c4c0}.ee-center-empty svg{opacity:.3}.ee-center-empty p{font-size:.875rem;color:#9b9a97}.ee-question{width:100%;display:flex;flex-direction:column;gap:20px}.ee-question-text{width:100%;padding:16px 20px;background:#fff;border:1px solid rgba(55,53,47,.09);border-radius:8px;color:#37352f;font-size:1.125rem;font-family:var(--font-body);font-weight:500;line-height:1.5;outline:none;resize:none;text-align:center;transition:border-color .15s,box-shadow .15s}.ee-question-text::placeholder{color:#c4c4c0}.ee-question-text:focus{border-color:#6b2d3e;box-shadow:0 0 0 3px #6b2d3e14}.ee-question-wrap{position:relative}.ee-latex-preview{background:#fff;border:1px solid rgba(55,53,47,.09);border-radius:8px;padding:14px 20px;font-size:1.125rem;color:#37352f;line-height:1.6;text-align:center;cursor:text}.ee-question-wrap:has(.ee-latex-preview) .ee-question-text{display:none}.ee-question-wrap:focus-within .ee-question-text{display:block}.ee-question-wrap:focus-within .ee-latex-preview{display:none}.ee-media{width:100%;background:#fff;border:1px solid rgba(55,53,47,.09);border-radius:8px;cursor:pointer;overflow:hidden;transition:border-color .1s}.ee-media:hover{border-color:#37352f33}.ee-media-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:40px 20px;color:#c4c4c0}.ee-media-label{font-size:.875rem;font-weight:500;color:#9b9a97}.ee-media-hint{font-size:.75rem;color:#c4c4c0}.ee-media-filled{position:relative;display:flex;align-items:center;justify-content:center;padding:16px}.ee-media-img{max-height:240px;max-width:100%;border-radius:6px;object-fit:contain}.ee-media-remove{position:absolute;top:8px;right:8px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#ffffffe6;border:1px solid rgba(55,53,47,.12);border-radius:6px;color:#9b9a97;cursor:pointer;transition:all .08s}.ee-media-remove:hover{background:#fff;color:#d44c47;border-color:#d44c474d}.ee-answers-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.ee-answer-cell{display:flex;align-items:center;gap:10px;padding:14px 16px;background:#fff;border:2px solid rgba(55,53,47,.09);border-radius:8px;cursor:pointer;transition:all .1s;position:relative}.ee-answer-cell:hover{border-color:#37352f33}.ee-answer-cell--correct{border-color:#6b2d3e;background:#6b2d3e08}.ee-answer-marker{width:28px;height:28px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:.75rem;font-weight:700;font-family:var(--font-body);transition:all .1s}.ee-answer-cell--0 .ee-answer-marker{background:#6b2d3e14;color:#6b2d3e}.ee-answer-cell--1 .ee-answer-marker{background:#8b6d5c1a;color:#8b6d5c}.ee-answer-cell--2 .ee-answer-marker{background:#377d3714;color:#377d37}.ee-answer-cell--3 .ee-answer-marker{background:#37352f0f;color:#6b6b6b}.ee-answer-cell--correct .ee-answer-marker{background:#6b2d3e;color:#fff}.ee-answer-content{flex:1;min-width:0;position:relative}.ee-answer-rendered{font-size:.9375rem;color:#37352f;line-height:1.5}.ee-answer-ph{color:#c4c4c0}.ee-answer-input{position:absolute;inset:0;width:100%;height:100%;background:#fff;border:none;outline:none;font-size:.9375rem;font-family:var(--font-body);color:#37352f;padding:0;opacity:0}.ee-answer-input:focus{opacity:1}.ee-answer-input::placeholder{color:#c4c4c0}.ee-answer-check{flex-shrink:0;color:#6b2d3e}.ee-frq-area{background:#fff;border:1px solid rgba(55,53,47,.09);border-radius:8px;padding:20px;display:flex;flex-direction:column;gap:8px}.ee-frq-label{font-size:.75rem;font-weight:500;color:#9b9a97;text-transform:uppercase;letter-spacing:.04em}.ee-frq-input{width:100%;padding:12px;background:#37352f05;border:1px solid rgba(55,53,47,.09);border-left:3px solid #8b6d5c;border-radius:4px;color:#37352f;font-size:.9375rem;font-family:var(--font-body);line-height:1.6;outline:none;resize:vertical;transition:border-color .15s}.ee-frq-input:focus{border-color:#8b6d5c}.ee-frq-input::placeholder{color:#c4c4c0}.ee-props{width:250px;flex-shrink:0;border-left:1px solid rgba(55,53,47,.09);background:#fafaf9;padding:20px 16px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.ee-props-heading{font-size:.75rem;font-weight:600;color:#9b9a97;text-transform:uppercase;letter-spacing:.06em;margin:0}.ee-props-label{font-size:.75rem;font-weight:500;color:#6b6b6b;margin-top:4px}.ee-props-toggle{display:flex;gap:2px;background:#37352f0f;border-radius:6px;padding:2px}.ee-props-toggle-btn{flex:1;padding:5px 0;border:none;border-radius:4px;background:transparent;font-size:.75rem;font-weight:500;font-family:var(--font-body);color:#9b9a97;cursor:pointer;transition:all .1s}.ee-props-toggle-btn--on{background:#fff;color:#37352f;box-shadow:0 1px 2px #0000000f}.ee-props-answers{display:grid;grid-template-columns:1fr 1fr;gap:4px}.ee-props-answer-btn{padding:6px 0;border:1.5px solid rgba(55,53,47,.12);border-radius:6px;background:#fff;font-size:.75rem;font-weight:600;font-family:var(--font-body);color:#9b9a97;cursor:pointer;transition:all .08s}.ee-props-answer-btn:hover{border-color:#37352f40;color:#37352f}.ee-props-answer-btn--on{border-color:#6b2d3e;background:#6b2d3e;color:#fff}.ee-props-divider{height:1px;background:#37352f17;margin:4px 0}.ee-props-action{display:flex;align-items:center;gap:8px;width:100%;padding:7px 10px;background:transparent;border:none;border-radius:6px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);color:#6b6b6b;cursor:pointer;transition:all .08s}.ee-props-action:hover{background:#37352f0a;color:#37352f}.ee-props-action--danger:hover{background:#d44c470f;color:#d44c47}.ee-props-calc-toggle{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;border:1.5px solid rgba(55,53,47,.12);border-radius:6px;background:#fff;font-size:.8125rem;font-weight:500;font-family:var(--font-body);color:#9b9a97;cursor:pointer;transition:all .1s}.ee-props-calc-toggle:hover{border-color:#37352f40;color:#6b6b6b}.ee-props-timer-row{display:flex;align-items:center;gap:6px}.ee-props-timer-input{width:60px;padding:5px 8px;border:1px solid rgba(55,53,47,.16);border-radius:4px;font-size:.8125rem;font-family:var(--font-body);color:#37352f;text-align:center;outline:none}.ee-props-timer-input:focus{border-color:#6b2d3e}.ee-props-timer-input::placeholder{color:#c4c4c0}.ee-props-timer-unit{font-size:.75rem;color:#9b9a97}.ee-props-timer-clear{width:20px;height:20px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:4px;color:#c4c4c0;cursor:pointer}.ee-props-timer-clear:hover{color:#6b2d3e}.ee-props-calc-toggle--on{border-color:#6b2d3e;background:#6b2d3e0a;color:#6b2d3e}@media(max-width:900px){.ee-sidebar{width:160px}.ee-props{width:180px}}@media(max-width:700px){.ee-body{flex-direction:column}.ee-sidebar{width:100%;flex-direction:row;border-right:none;border-bottom:1px solid rgba(55,53,47,.09);max-height:none}.ee-sidebar-list{flex-direction:row;overflow-x:auto;overflow-y:hidden;padding:6px;gap:4px}.ee-sidebar-item{min-width:100px}.ee-sidebar-add{flex-direction:row;border-top:none;border-left:1px solid rgba(55,53,47,.09);padding:6px}.ee-props{display:none}}.tdash-editor-header{display:flex;align-items:center;gap:12px;margin-bottom:28px}.tdash-back-btn{display:flex;align-items:center;gap:4px;padding:4px 10px;background:transparent;color:#9b9a97;border:none;border-radius:4px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .08s,color .08s;flex-shrink:0}.tdash-back-btn:hover{background:#37352f0a;color:#37352f}.tdash-editor-title-area{flex:1;min-width:0}.tdash-editor-title{display:block;width:100%;background:transparent;border:none;outline:none;font-family:var(--font-display);font-size:2rem;font-weight:500;color:#37352f;letter-spacing:-.02em}.tdash-editor-code{font-size:.75rem;font-family:SFMono-Regular,Menlo,monospace;color:#9b9a97}.tdash-save-btn{padding:6px 14px;background:#6b2d3e;color:#fff;border:none;border-radius:4px;font-size:.8125rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .1s;flex-shrink:0}.tdash-save-btn:hover{background:#552232}.tdash-question-card{padding:16px 0;border-bottom:1px solid rgba(55,53,47,.09);display:flex;flex-direction:column;gap:10px}.tdash-question-header{display:flex;align-items:center;gap:8px}.tdash-question-num{font-size:.75rem;font-weight:600;color:#9b9a97}.tdash-qtype-badge{font-size:.65rem;font-weight:500;padding:1px 6px;border-radius:3px}.tdash-qtype-mcq{background:#6b2d3e0f;color:#6b2d3e}.tdash-qtype-frq{background:#6b2d3e0f;color:#8b6d5c}.tdash-questions{display:flex;flex-direction:column;gap:2px}.tdash-option-input{flex:1;padding:5px 8px;background:transparent;border:1px solid transparent;border-radius:4px;color:#37352f;font-size:.875rem;font-family:var(--font-body);outline:none;transition:border-color .15s,background .15s}.tdash-option-input::placeholder{color:#c4c4c0}.tdash-option-input:hover{background:#37352f06}.tdash-option-input:focus{background:#fff;border-color:#37352f29}.tdash-grade-qtext{font-size:.9375rem;color:#37352f;line-height:1.5}.tdash-grade-answer{display:flex;align-items:center;gap:16px;font-size:.875rem;color:#6b6b6b}.tdash-grade-correct{color:#377d37;font-weight:600}.tdash-grade-wrong{color:#d44c47;font-weight:600}.tdash-grade-frq{display:flex;flex-direction:column;gap:10px}.tdash-grade-student-answer,.tdash-grade-model{padding:12px;border-radius:4px;font-size:.875rem}.tdash-grade-student-answer{background:#37352f06}.tdash-grade-model{background:#6b2d3e08;border-left:3px solid #6b2d3e}.tdash-grade-student-answer strong,.tdash-grade-model strong{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:#9b9a97;margin-bottom:4px}.tdash-grade-student-answer p,.tdash-grade-model p{color:#37352f;line-height:1.5}.tdash-grade-input{display:flex;align-items:center;gap:8px}.tdash-grade-input label{font-size:.8125rem;color:#6b6b6b;white-space:nowrap}.tdash-grade-input input[type=number]{width:50px;padding:4px 8px;background:#fff;border:1px solid rgba(55,53,47,.16);border-radius:4px;color:#37352f;font-size:.875rem;text-align:center;outline:none}.tdash-grade-input input[type=number]:focus{box-shadow:0 0 0 2px #6b2d3e33;border-color:#6b2d3e}@media(max-width:768px){.tdash-container{padding:24px 20px 60px}.tdash-header{flex-direction:column;gap:12px;align-items:flex-start}.tdash-greeting{font-size:1.75rem}.tdash-stats{flex-direction:column}.tdash-exam-row{flex-wrap:wrap;gap:8px}.tdash-cards{grid-template-columns:1fr}.tdash-card-green{grid-column:unset}.tdash-exam-actions{opacity:1;width:100%}.tdash-action-btn{flex:1;text-align:center}}.an-stats{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap}.an-stat{flex:1;min-width:100px;padding:16px;background:#fafaf8;border:1px solid rgba(55,53,47,.09);border-radius:8px;display:flex;flex-direction:column;align-items:center;gap:2px}.an-stat--alert{border-color:#6b2d3e26;background:#6b2d3e08}.an-stat-value{font-family:var(--font-display);font-size:1.6rem;font-weight:400;color:#37352f}.an-stat--alert .an-stat-value{color:#6b2d3e}.an-stat-label{font-size:.7rem;font-weight:500;color:#9b9a97;text-transform:uppercase;letter-spacing:.04em}.an-section{margin-bottom:28px}.an-section-title{font-size:.75rem;font-weight:600;color:#9b9a97;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}.an-chart{display:flex;align-items:flex-end;gap:8px;height:140px;padding:0 4px}.an-bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%}.an-bar-count{font-size:.7rem;font-weight:600;color:#6b6b6b;font-variant-numeric:tabular-nums}.an-bar-track{flex:1;width:100%;display:flex;align-items:flex-end;border-radius:4px;background:#37352f0a;overflow:hidden}.an-bar-fill{width:100%;background:#1c2541;border-radius:4px;min-height:2px;transition:height .3s ease}.an-bar-label{font-size:.6rem;color:#9b9a97;white-space:nowrap}.an-questions{display:flex;flex-direction:column;gap:6px}.an-q-row{display:flex;align-items:center;gap:10px}.an-q-label{font-size:.75rem;font-weight:600;color:#9b9a97;min-width:32px}.an-q-track{flex:1;height:8px;background:#37352f0a;border-radius:4px;overflow:hidden}.an-q-fill{height:100%;border-radius:4px;transition:width .3s ease}.an-q-fill--good{background:#1c2541}.an-q-fill--mid{background:#8b6d5c}.an-q-fill--low{background:#6b2d3e}.an-q-pct{font-size:.75rem;font-weight:600;color:#6b6b6b;min-width:36px;text-align:right;font-variant-numeric:tabular-nums}.an-row-bar{width:60px;height:6px;background:#37352f0f;border-radius:3px;overflow:hidden;flex-shrink:0}.an-row-bar-fill{height:100%;background:#1c2541;border-radius:3px;transition:width .3s ease}.tdash-course-analytics{width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(55,53,47,.12);border-radius:4px;color:#9b9a97;cursor:pointer;flex-shrink:0;transition:all .08s}.tdash-course-analytics:hover{background:#1c25410f;color:#1c2541;border-color:#1c254133}.ca-trend-chart{width:100%;max-width:660px;height:auto;display:block}.ca-student-table{width:100%;overflow-x:auto;border:1px solid rgba(55,53,47,.09);border-radius:6px}.ca-table-header,.ca-table-row{display:flex;align-items:center;min-width:max-content}.ca-table-header{background:#fafaf8;border-bottom:1px solid rgba(55,53,47,.09);font-size:.65rem;font-weight:600;color:#9b9a97;text-transform:uppercase;letter-spacing:.04em}.ca-table-row{border-bottom:1px solid rgba(55,53,47,.05);font-size:.8rem;transition:background .06s}.ca-table-row:last-child{border-bottom:none}.ca-table-row:hover{background:#37352f05}.ca-col-name{min-width:140px;max-width:140px;padding:8px 12px;font-weight:500;color:#37352f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-transform:capitalize}.ca-table-header .ca-col-name{color:#9b9a97;font-weight:600;text-transform:uppercase}.ca-col-exam{min-width:70px;max-width:70px;padding:8px 6px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ca-col-avg{min-width:56px;padding:8px 6px;text-align:center;font-weight:600}.ca-col-trend{min-width:50px;padding:8px 6px;text-align:center;font-size:.75rem;font-weight:600}.ca-score{font-variant-numeric:tabular-nums}.ca-score--good{color:#1c2541}.ca-score--mid{color:#8b6d5c}.ca-score--low{color:#6b2d3e}.ca-score--na{color:#c4c4c0}.ca-score--avg{color:#37352f}.ca-trend--up{color:#1c2541}.ca-trend--up:before{content:"↑ "}.ca-trend--down{color:#6b2d3e}.ca-trend--down:before{content:"↓ "}@media(max-width:768px){.an-stats{gap:6px}.an-stat{min-width:80px;padding:12px 8px}.an-stat-value{font-size:1.25rem}.an-chart{height:100px}.ca-col-name{min-width:100px;max-width:100px}.ca-col-exam{min-width:55px;max-width:55px}}.dl-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:100px 24px 60px;background:#fff;color:#37352f}.dl-container{max-width:580px;width:100%;display:flex;flex-direction:column;align-items:center;gap:24px}.dl-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.dl-logo{width:100px;height:100px;border-radius:20px;object-fit:cover;margin-bottom:8px}.dl-hero h1{font-family:var(--font-display);font-size:2.2rem;font-weight:400;color:#37352f;letter-spacing:-.02em}.dl-subtitle{font-size:.95rem;color:#9b9a97;line-height:1.6;max-width:440px;text-align:center}.dl-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;max-width:320px;padding:14px 24px;background:#1c2541;color:#fff;border:none;border-radius:4px;font-size:.9375rem;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:background .15s;text-decoration:none}.dl-btn:hover{background:#151d33;color:#fff}.dl-meta{font-size:.8rem;color:#c4c4c0}.dl-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%;margin-top:16px}.dl-feature{padding:16px;background:#fafaf8;border:1px solid rgba(55,53,47,.09);border-radius:8px}.dl-feature h3{font-size:.8125rem;font-weight:600;color:#37352f;margin-bottom:4px}.dl-feature p{font-size:.8rem;color:#9b9a97;line-height:1.45}.dl-steps{width:100%;margin-top:12px}.dl-steps h2{font-size:.75rem;font-weight:600;color:#9b9a97;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}.dl-steps ol{display:flex;flex-direction:column;gap:8px;padding-left:20px}.dl-steps li{font-size:.875rem;color:#6b6b6b;line-height:1.5}.dl-steps li strong{color:#37352f}@media(max-width:600px){.dl-features{grid-template-columns:1fr}.dl-hero h1{font-size:1.75rem}}