@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.1"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.hidden{display:none}.inline{display:inline}.table{display:table}.grow{flex-grow:1}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#081326;--muted:#687385;--line:#d8e1ef;--surface:#fff;--wash:#f2f7ff;--blue:#096bff;--blue-dark:#054fc7;--blue-soft:#e8f1ff;--success:#0f9f6e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:#fff;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,select{cursor:pointer}button:disabled{cursor:not-allowed}:focus-visible{outline-offset:3px;outline:3px solid #096bff73}.skip-link{z-index:1000;color:#fff;background:var(--ink);border-radius:8px;padding:10px 14px;position:fixed;top:12px;left:18px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.content-width{width:min(1180px,100% - 48px);margin-inline:auto}.page-shell{min-height:100vh;position:relative;overflow-x:clip}h1,h2,h3{overflow-wrap:anywhere;text-wrap:balance}.site-header{z-index:20;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffffff0;border:1px solid #d8e1efb3;border-radius:20px;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;width:min(1320px,100% - 56px);min-height:72px;margin:28px auto 0;padding:12px 16px 12px 24px;display:grid;position:relative;box-shadow:0 18px 55px #183d7714}.brand{letter-spacing:-.012em;align-items:center;gap:10px;width:fit-content;font-size:18px;font-weight:750;display:inline-flex}.brand-logo{border-radius:9px;width:36px;height:36px;display:block;box-shadow:0 5px 14px #096bff2e}.site-header nav{align-items:center;gap:30px;font-size:14px;font-weight:600;display:flex}.site-header nav a{transition:color .2s}.site-header nav a:hover{color:var(--blue)}.header-actions{justify-self:end;gap:10px;display:flex}.button{border:1px solid #0000;border-radius:11px;justify-content:center;align-items:center;min-height:48px;padding:0 24px;font-size:14px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s;display:inline-flex}.button:hover{transform:translateY(-2px)}.compact-button{min-height:44px;padding-inline:20px}.primary-button{color:#fff;background:linear-gradient(135deg,#2084ff,#075fe7);box-shadow:0 10px 24px #096bff40}.primary-button:hover{box-shadow:0 14px 30px #096bff57}.dark-button{color:#fff;background:var(--ink)}.white-button{color:var(--blue-dark);background:#fff;box-shadow:0 10px 24px #042c6e2e}.text-link{color:var(--blue-dark);font-size:14px;font-weight:700}.hero{isolation:isolate;background:radial-gradient(circle at 50% 65%,#fff 0,#f7faff 34%,#eaf4ff 100%);min-height:max(780px,100vh);padding-bottom:180px;overflow:hidden}.hero-copy{z-index:5;text-align:center;width:min(940px,100% - 48px);margin:110px auto 0;position:relative}.eyebrow{color:var(--blue-dark);letter-spacing:.14em;text-transform:uppercase;margin:0 0 18px;font-size:12px;font-weight:800}.hero h1{letter-spacing:-.032em;margin:0;padding-inline:.04em;font-size:clamp(52px,6.5vw,94px);font-weight:760;line-height:1.04}.hero-subtitle{max-width:600px;color:var(--muted);margin:30px auto 34px;font-size:18px;line-height:1.55}.catalog-search{text-align:left;width:min(620px,100%);margin:0 auto;position:relative}.search-control{background:#fffffff2;border:1px solid #ced9ea;border-radius:18px;align-items:center;gap:14px;height:64px;padding:0 16px 0 22px;display:flex;box-shadow:0 18px 50px #174ea321}.search-control input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;font-size:15px}.search-control input::placeholder{color:#8b95a5}.preview-sign-in{gap:12px;margin-top:22px;display:grid}.search-icon{border:2px solid #7c8797;border-radius:50%;flex:none;width:17px;height:17px;position:relative}.search-icon:after{content:"";background:#7c8797;border-radius:2px;width:7px;height:2px;position:absolute;bottom:-2px;right:-5px;transform:rotate(45deg)}.search-shortcut{color:#8a95a7;white-space:nowrap;background:#f1f4f8;border:1px solid #e0e6ef;border-radius:7px;padding:6px 8px;font-size:11px}.search-note{color:#8b95a5;margin:13px 0 0;font-size:12px}.search-results{z-index:50;border:1px solid var(--line);background:#fff;border-radius:16px;width:100%;max-height:min(430px,52vh);padding:8px;position:absolute;top:calc(100% + 10px);overflow-y:auto;box-shadow:0 22px 60px #08224b2e}.search-results a{border-radius:11px;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px;display:grid}.search-results a>span:nth-child(2){min-width:0}.search-results strong,.search-results small{overflow-wrap:anywhere;line-height:1.35}.search-results a:hover{background:var(--wash)}.search-results small{color:var(--muted);margin-top:4px;display:block}.result-mark{color:#fff;background:var(--blue);border-radius:10px;place-items:center;width:42px;height:42px;font-weight:800;display:grid}.hero-orb{z-index:1;filter:blur(9px);opacity:.92;background:radial-gradient(at 50% 100%,#0058ebf5 0,#2d87ffe0 36%,#8bbcff80 61%,#dcebff1f 76%,#0000 82%);border-radius:50% 50% 22% 22%;width:min(920px,82vw);height:clamp(260px,30vw,390px);position:absolute;bottom:-76px;left:50%;transform:translate(-50%)}.circuit{z-index:0;border:2px solid #426fbb1a;border-radius:0 0 22px 22px;position:absolute}.circuit-one{border-left:0;width:360px;height:210px;top:210px;left:-45px}.circuit-two{border-right:0;border-radius:0 0 0 24px;width:260px;height:330px;top:140px;right:-50px}.proof-strip{z-index:3;background:var(--ink);color:#fff;border-radius:20px;grid-template-columns:repeat(3,1fr);width:min(1040px,100% - 48px);margin:-34px auto 0;display:grid;position:relative;box-shadow:0 24px 60px #071e4133}.proof-strip div{border-right:1px solid #ffffff1f;flex-direction:column;gap:6px;padding:26px 36px;display:flex}.proof-strip div:last-child{border:0}.proof-strip strong{font-size:22px}.proof-strip span{color:#aebbd0;font-size:13px}.section{padding-block:118px}.section-heading h2,.preview-copy h2,.cta-section h2{letter-spacing:-.024em;margin:0;font-size:clamp(38px,4.6vw,62px);line-height:1.08}.section-heading>p,.preview-copy>p{color:var(--muted);line-height:1.7}.split-heading{grid-template-columns:1.1fr .9fr;align-items:end;gap:80px;margin-bottom:48px;display:grid}.split-heading>p{margin:0 0 4px}.programme-grid{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}.programme-card{color:#fff;background:linear-gradient(145deg,#1579ff,#075bdc 60%,#034cbf);border-radius:20px;flex-direction:column;justify-content:space-between;min-height:330px;padding:28px;transition:transform .25s,box-shadow .25s;display:flex;position:relative;overflow:hidden;box-shadow:0 18px 38px #095dde2e}.programme-card:after{content:"1";color:#ffffff0f;font-size:250px;font-weight:850;line-height:1;position:absolute;bottom:-70px;right:18px}.programme-card:hover{transform:translateY(-5px);box-shadow:0 24px 50px #095dde42}.programme-card-top,.card-meta{z-index:1;justify-content:space-between;align-items:center;display:flex;position:relative}.university-mark{min-width:52px;height:42px;color:var(--blue-dark);background:#fff;border-radius:10px;place-items:center;padding:0 10px;font-weight:850;display:grid}.availability-pill,.soon-pill{background:#ffffff21;border:1px solid #ffffff40;border-radius:999px;padding:7px 10px;font-size:11px}.programme-card p{color:#ffffffba;margin:0 0 8px;font-size:14px}.programme-card h3{z-index:1;letter-spacing:-.018em;max-width:440px;margin:0;font-size:32px;line-height:1.1;position:relative}.card-meta{border-top:1px solid #ffffff2e;padding-top:20px;font-size:13px}.programme-card-muted{color:var(--ink);border:1px solid var(--line);box-shadow:none;background:#f4f7fb}.programme-card-muted:after{color:#0813260a}.programme-card-muted p{color:var(--muted)}.muted-mark{background:var(--blue-soft)}.soon-pill{color:var(--muted);border-color:var(--line);background:#fff}.soft-section{background:var(--wash)}.centered-heading{text-align:center;max-width:740px;margin:0 auto 56px}.centered-heading>p:last-child{max-width:560px;margin:20px auto 0}.steps-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.steps-grid article{border:1px solid var(--line);background:#fff;border-radius:18px;padding:30px}.steps-grid span{width:42px;height:42px;color:var(--blue);background:var(--blue-soft);border-radius:10px;place-items:center;font-size:12px;font-weight:800;display:inline-grid}.steps-grid h3{letter-spacing:-.025em;margin:26px 0 10px;font-size:21px}.steps-grid p{color:var(--muted);margin:0;font-size:14px;line-height:1.65}.preview-section{grid-template-columns:1.05fr .95fr;align-items:center;gap:90px;display:grid}.question-preview{border:1px solid var(--line);background:#fff;border-radius:22px;padding:28px;box-shadow:0 24px 65px #16417c1f}.question-preview-header{color:var(--muted);justify-content:space-between;font-size:12px;display:flex}.question-preview h3{margin:36px 0 26px;font-size:21px;line-height:1.45}.answer-option{border:1px solid var(--line);border-radius:11px;margin-top:12px;padding:16px 18px;font-size:14px}.selected-answer{color:#fff;background:linear-gradient(135deg,#2142d3,#1831b5);border-color:#164ee9}.preview-copy>p{margin:26px 0 32px}.cta-section{color:#fff;background:linear-gradient(120deg,#0758d9,#0b76ff);border-radius:24px;justify-content:space-between;align-items:center;gap:40px;margin-bottom:110px;padding:58px 64px;display:flex;box-shadow:0 24px 65px #096bff40}.light-eyebrow{color:#bed9ff}.cta-section h2{font-size:clamp(36px,4vw,56px)}.site-footer{background:var(--ink);color:#fff;padding:70px 0 24px}.footer-main{grid-template-columns:2fr repeat(3,1fr);gap:60px;padding-bottom:54px;display:grid}.footer-main>div:not(.footer-brand){flex-direction:column;gap:12px;display:flex}.footer-brand p{color:#94a3ba;max-width:260px;line-height:1.6}.footer-main h3{margin:2px 0 9px;font-size:13px}.footer-main a:not(.brand){color:#94a3ba;font-size:13px}.footer-main a:hover{color:#fff}.footer-disclaimer{color:#8391a5;margin:0 auto 20px;font-size:11px;line-height:1.6}.footer-bottom{color:#6f819a;border-top:1px solid #ffffff1a;justify-content:space-between;padding-top:22px;font-size:12px;display:flex}.public-page{background:radial-gradient(circle at 50% 14%,#fff 0,#f5f9ff 42%,#eaf4ff 100%);min-height:100vh;position:relative;overflow-x:clip}.public-page>:not(.circuit){z-index:2;position:relative}.inner-hero{text-align:center;padding:105px 0 70px}.breadcrumbs{color:#7b8798;flex-wrap:wrap;justify-content:center;align-items:center;gap:9px;margin-bottom:38px;font-size:12px;display:flex}.breadcrumbs a:hover{color:var(--blue)}.inner-hero h1,.class-detail h1,.pricing-hero h1,.simple-hero h1{letter-spacing:-.03em;margin:0;padding-inline:.03em;font-size:clamp(52px,6.3vw,88px);line-height:1.05}.inner-hero>p:last-of-type{max-width:640px;color:var(--muted);margin:24px auto 0;font-size:17px;line-height:1.65}.inner-hero-stats{border:1px solid var(--line);background:#ffffffbf;border-radius:16px;gap:12px;width:fit-content;margin:38px auto 0;padding:8px;display:flex}.inner-hero-stats span{min-width:140px;color:var(--muted);flex-direction:column;gap:3px;padding:13px 20px;font-size:11px;display:flex}.inner-hero-stats strong{color:var(--ink);font-size:19px}.class-grid{grid-template-columns:repeat(3,1fr);gap:16px;padding-bottom:100px;display:grid}.class-card{color:#fff;background:linear-gradient(145deg,#1579ff,#075bdc 65%,#034cbe);border-radius:17px;flex-direction:column;min-height:330px;padding:24px;transition:transform .22s,box-shadow .22s;display:flex;box-shadow:0 16px 35px #0858d42e}.class-card:hover{transform:translateY(-5px);box-shadow:0 24px 45px #0858d440}.class-card-number{background:#ffffff26;border:1px solid #fff3;border-radius:10px;place-items:center;width:40px;height:40px;margin-bottom:32px;font-size:11px;font-weight:800;display:grid}.class-card h2{letter-spacing:-.035em;margin:0 0 14px;font-size:22px;line-height:1.15}.class-card>p{color:#ffffffb3;margin:0;font-size:13px;line-height:1.55}.class-card-meta{color:#ffffffbd;gap:12px;margin-top:auto;font-size:11px;display:flex}.learn-more{border-top:1px solid #fff3;margin-top:18px;padding-top:17px;font-size:13px;font-weight:700}.learn-more b{float:right}.catalog-cta{color:#fff;background:linear-gradient(120deg,#0758d9,#0b76ff);border-radius:22px;justify-content:space-between;align-items:center;gap:32px;margin-bottom:100px;padding:48px 54px;display:flex}.catalog-cta h2{letter-spacing:-.022em;max-width:660px;margin:0;font-size:clamp(34px,4vw,52px);line-height:1.09}.class-detail{padding:90px 0 110px}.class-detail .breadcrumbs{justify-content:flex-start;margin-bottom:70px}.class-detail-grid{grid-template-columns:1.08fr .92fr;align-items:center;gap:90px;display:grid}.class-detail h1{font-size:clamp(52px,6vw,82px)}.lead{max-width:650px;color:var(--muted);margin:26px 0 32px;font-size:18px;line-height:1.7}.detail-actions{gap:12px;display:flex}.outline-button{color:var(--ink);background:#fffc;border-color:#c9d4e4}.outline-button:hover{border-color:var(--blue)}.micro-copy{color:#8691a2;margin-top:15px;font-size:11px}.class-summary-card{color:#fff;background:linear-gradient(145deg,#1478ff,#0755d3);border-radius:22px;min-height:470px;padding:38px;position:relative;overflow:hidden;box-shadow:0 26px 65px #0859da47}.class-summary-card>:not(.summary-glow){z-index:2;position:relative}.summary-glow{filter:blur(22px);opacity:.55;background:#77adff;border-radius:50%;width:360px;height:360px;position:absolute;bottom:-180px;right:-170px}.class-summary-card>p{color:#ffffffad;margin:0 0 32px;font-size:13px}.summary-stat{border-top:1px solid #ffffff2e;justify-content:space-between;align-items:baseline;gap:20px;padding:22px 0;display:flex}.summary-stat strong{letter-spacing:-.018em;font-size:29px}.summary-stat span{color:#ffffffb8;font-size:13px}.topics-section{border-top:1px solid #c9d6e7cc;grid-template-columns:.8fr 1.2fr;gap:80px;padding:100px 0;display:grid}.topics-section h2{letter-spacing:-.022em;max-width:450px;margin:0;font-size:clamp(38px,4vw,55px);line-height:1.09}.topic-list{border-top:1px solid #cbd7e7}.topic-list>div{border-bottom:1px solid #cbd7e7;grid-template-columns:42px 1fr auto;align-items:center;gap:14px;min-height:86px;display:grid}.topic-list span{color:var(--blue);font-size:11px;font-weight:800}.topic-list strong{font-size:17px}.topic-list small{color:var(--muted);font-size:11px}.release-callout{border:1px solid var(--line);background:#fff;border-radius:18px;grid-template-columns:auto 1fr auto;align-items:center;gap:28px;margin-bottom:100px;padding:34px;display:grid;box-shadow:0 18px 48px #1d488517}.calendar-tile{color:#fff;background:var(--blue);border-radius:13px;flex-direction:column;justify-content:center;align-items:center;width:74px;height:78px;display:flex}.calendar-tile span{letter-spacing:.15em;font-size:9px;font-weight:800}.calendar-tile strong{font-size:28px}.release-callout h2{letter-spacing:-.03em;margin:0 0 7px;font-size:22px}.release-callout p{max-width:700px;color:var(--muted);margin:0;font-size:13px;line-height:1.55}.live-pill{color:var(--success);background:#eafaf4;border-radius:999px;align-items:center;gap:7px;padding:10px 13px;font-size:11px;font-weight:750;display:flex}.live-pill i{background:var(--success);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #0f9f6e1f}.pricing-page{padding-bottom:100px}.pricing-hero{text-align:center;padding:85px 0 46px}.pricing-hero h1{font-size:clamp(49px,5.4vw,76px)}.pricing-hero>p:last-child{color:var(--muted);margin:14px 0 0;font-size:20px}.pricing-grid{grid-template-columns:repeat(2,1fr);gap:18px;max-width:850px;display:grid}.price-card{background:#ffffffe0;border:1px solid #cbd7e7;border-radius:20px;flex-direction:column;min-height:580px;padding:34px;display:flex;position:relative;box-shadow:0 18px 46px #183c7117}.featured-price-card{border:3px solid var(--blue);box-shadow:0 24px 58px #096bff38}.popular-label{color:#fff;background:var(--blue);white-space:nowrap;border-radius:999px;padding:7px 14px;font-size:10px;font-weight:800;position:absolute;top:-15px;left:50%;transform:translate(-50%)}.plan-icon{color:#fff;background:#8da1bd;border-radius:8px;place-items:center;width:34px;height:34px;font-weight:850;display:grid}.featured-plan-icon{background:var(--blue)}.plan-label{margin:20px 0 5px;font-size:14px;font-weight:750}.price-card h2{letter-spacing:-.015em;text-transform:uppercase;margin:0;font-size:40px}.price-card h2 small{color:var(--muted);text-transform:none;letter-spacing:0;margin-left:7px;font-size:11px;font-weight:600}.plan-description{min-height:45px;color:var(--muted);margin:14px 0 22px;font-size:13px;line-height:1.55}.price-card ul{border-top:1px solid var(--line);margin:0;padding:24px 0 28px;list-style:none}.price-card li{align-items:center;gap:9px;margin:14px 0;font-size:13px;display:flex}.check{width:18px;height:18px;color:var(--success);background:#eafaf4;border-radius:50%;place-items:center;font-size:11px;font-weight:900;display:grid}.muted-feature{color:#9da7b6}.full-button{width:100%;margin-top:auto}.pricing-note{text-align:center;color:var(--muted);margin:28px auto 0;font-size:12px}.pricing-note a{color:var(--blue-dark);text-underline-offset:3px;font-weight:750;text-decoration:underline}.simple-page{background:linear-gradient(135deg,#eaf3ff,#fff);min-height:100vh}.simple-hero{text-align:center;padding:110px 0 70px}.simple-hero p:last-child{max-width:620px;color:var(--muted);margin:24px auto 0;font-size:17px;line-height:1.7}.copy-layout{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:100px;display:grid}.copy-card{border:1px solid var(--line);background:#fff;border-radius:18px;padding:40px}.copy-card h2{letter-spacing:-.018em;margin:0 0 18px;font-size:30px}.copy-card p{color:var(--muted);line-height:1.75}.faq-list{grid-column:1/-1}.faq-item{border-bottom:1px solid var(--line);padding:24px 0}.faq-item h3{margin:0 0 9px;font-size:17px}.faq-item p{color:var(--muted);margin:0;line-height:1.6}.preview-gate{background:linear-gradient(145deg,#eef6ff 0%,#f8fbff 48%,#e8f3ff 100%);place-items:center;min-height:100vh;padding:48px 20px;display:grid;position:relative;overflow:hidden}.preview-gate-card{z-index:2;background:#fffffff0;border:1px solid #cfddf0;border-radius:28px;width:min(100%,520px);padding:44px;position:relative;box-shadow:0 28px 80px #0b469629}.preview-gate-brand{color:var(--navy);align-items:center;gap:12px;margin-bottom:42px;font-size:21px;font-weight:850;display:flex}.preview-gate-brand img{border-radius:11px;width:44px;height:44px}.preview-gate h1{color:var(--navy);letter-spacing:-.025em;margin:10px 0 16px;font-size:clamp(40px,7vw,56px);line-height:1.01}.preview-gate-copy{color:var(--muted);margin:0;font-size:16px;line-height:1.65}.preview-gate-form{gap:10px;margin-top:30px;display:grid}.preview-gate-form label{color:var(--navy);font-size:13px;font-weight:800}.preview-gate-form input[type=password]{width:100%;height:54px;color:var(--navy);font:inherit;background:#fff;border:1px solid #bdcce0;border-radius:12px;outline:none;padding:0 16px}.preview-gate-form input[type=password]:focus{border-color:var(--blue);box-shadow:0 0 0 4px #0a6aff1f}.preview-gate-button{cursor:pointer;border:0;width:100%;margin-top:8px}.preview-gate-error{color:#b42318;margin:2px 0 0;font-size:13px;font-weight:700}.preview-gate-note{color:#7c899c;text-align:center;margin:18px 0 0;font-size:12px}.preview-gate-orb{aspect-ratio:1;filter:blur(2px);opacity:.9;background:radial-gradient(circle at 50% 24%,#68bdff 0%,#1e7df5 34%,#0755d8 60%,#0755d800 72%);border-radius:50%;width:min(970px,90vw);position:absolute;bottom:-42vw;left:50%;transform:translate(-50%)}@media (width<=600px){.preview-gate{padding:20px 14px}.preview-gate-card{border-radius:22px;padding:30px 24px}.preview-gate-brand{margin-bottom:30px}}.contact-layout{grid-template-columns:.8fr 1.2fr;gap:22px;padding-bottom:100px;display:grid}.contact-panel,.contact-form{border:1px solid var(--line);background:#fff;border-radius:19px;padding:38px}.contact-panel{color:#fff;background:linear-gradient(145deg,#126ff3,#064fc7)}.contact-panel h2{letter-spacing:-.022em;font-size:38px;line-height:1.09}.contact-panel p{color:#ffffffb8;line-height:1.65}.contact-panel .light-link{color:#fff;text-underline-offset:3px;font-weight:800;text-decoration:underline}.form-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.form-field{flex-direction:column;gap:8px;display:flex}.form-field.full-field{grid-column:1/-1}.form-field label{font-size:12px;font-weight:700}.form-field input,.form-field textarea,.form-field select{width:100%;min-height:48px;color:var(--ink);border:1px solid var(--line);background:#f7f9fc;border-radius:9px;outline:0;padding:13px 14px}.form-field textarea{resize:vertical;min-height:130px}.form-field input:focus,.form-field textarea:focus,.form-field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #096bff1a}.honeypot{width:1px!important;height:1px!important;position:absolute!important;left:-10000px!important}.form-message{color:var(--blue-dark);margin:0;font-size:12px}.auth-page{background:#fff;grid-template-columns:.95fr 1.05fr;min-height:100vh;display:grid}.auth-visual{background:radial-gradient(circle at 50% 100%,#1682ff,#eaf4ff 58%,#f5f9ff 75%);min-height:100vh;padding:44px;position:relative;overflow:hidden}.auth-visual-copy{z-index:2;max-width:500px;margin:140px auto 0;position:relative}.auth-visual-copy h1{letter-spacing:-.026em;margin:0;font-size:clamp(45px,5vw,70px);line-height:1.06}.auth-visual-copy p{color:var(--muted);line-height:1.7}.auth-form-wrap{place-items:center;padding:40px;display:grid}.auth-form{width:min(440px,100%)}.auth-form h2{letter-spacing:-.02em;margin:0 0 8px;font-size:38px}.auth-form>p{color:var(--muted);margin:0 0 30px}.auth-form .form-field{margin-bottom:16px}.auth-row{justify-content:space-between;margin:8px 0 24px;font-size:12px;display:flex}.auth-row a,.auth-bottom a{color:var(--blue-dark);font-weight:700}.auth-bottom{text-align:center;color:var(--muted);margin-top:22px;font-size:13px}.dashboard-shell{background:#f4f7fb;grid-template-columns:245px 1fr;min-height:100vh;display:grid}.dashboard-sidebar{background:#fff;border-right:1px solid #dfe6ef;flex-direction:column;align-self:start;min-height:100vh;padding:26px 20px;display:flex;position:sticky;top:0}.dashboard-sidebar .brand{margin-left:10px}.dashboard-student{background:#f5f8fc;border:1px solid #e2e8f1;border-radius:13px;align-items:center;gap:11px;margin:34px 0 22px;padding:14px;display:flex}.dashboard-student>span{color:#fff;background:var(--blue);border-radius:10px;place-items:center;width:38px;height:38px;font-size:12px;font-weight:800;display:grid}.dashboard-student div{flex-direction:column;gap:3px;min-width:0;display:flex}.dashboard-student strong{font-size:13px}.dashboard-student small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:9px;overflow:hidden}.dashboard-sidebar nav{flex-direction:column;gap:5px;display:flex}.dashboard-sidebar nav a{color:#5e6a7c;border-radius:9px;align-items:center;gap:11px;min-height:43px;padding:0 12px;font-size:13px;font-weight:650;display:flex}.dashboard-sidebar nav a:hover{color:var(--blue-dark);background:var(--blue-soft)}.dashboard-sidebar nav i{width:22px;color:var(--blue);text-align:center;font-style:normal}.sidebar-bottom{border-top:1px solid var(--line);flex-direction:column;gap:10px;margin-top:auto;padding-top:20px;display:flex}.sidebar-bottom a{color:var(--muted);padding-inline:12px;font-size:12px}.dashboard-main{min-width:0;padding:34px 40px 60px}.dashboard-topbar{justify-content:space-between;align-items:center;gap:24px;min-height:80px;display:flex}.dashboard-topbar p{color:var(--muted);margin:0 0 6px;font-size:11px}.dashboard-topbar h1{letter-spacing:-.02em;margin:0;font-size:34px}.dashboard-actions{gap:9px;display:flex}.dashboard-actions button,.dashboard-actions a{border:1px solid var(--line);width:42px;height:42px;color:var(--blue);background:#fff;border-radius:11px;place-items:center;font-size:11px;font-weight:800;display:grid}.dashboard-actions a.dashboard-help{width:auto;color:var(--muted);padding-inline:14px}.dashboard-grid{grid-template-columns:1.35fr .65fr;gap:18px;margin-top:28px;display:grid}.continue-card,.score-card,.dashboard-panel{background:#fff;border:1px solid #dee6f0;border-radius:17px;min-height:220px;padding:28px}.continue-card{color:#fff;background:linear-gradient(135deg,#0e72f5,#0752cd);border:0;position:relative;overflow:hidden;box-shadow:0 20px 46px #0857d333}.continue-card:after{content:"1";color:#ffffff12;font-size:300px;font-weight:850;position:absolute;bottom:-105px;right:20px}.continue-card>*{z-index:2;position:relative}.continue-card p,.dashboard-panel .panel-heading p,.score-card p{color:inherit;opacity:.68;text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px;font-size:11px;font-weight:700}.continue-card h2,.panel-heading h2,.score-card h2{letter-spacing:-.035em;margin:0;font-size:25px}.continue-card>span{color:#ffffffb8;margin-top:9px;font-size:12px;display:block}.large-progress{background:#ffffff38;border-radius:999px;width:60%;height:5px;margin:30px 0 22px;overflow:hidden}.large-progress i{border-radius:inherit;background:#fff;height:100%;display:block}.continue-card .button{min-height:41px;padding-inline:17px}.score-card{justify-content:space-between;align-items:center;display:flex}.score-card h2{font-size:48px}.positive-change{color:var(--success);font-size:11px;font-weight:700}.score-ring{border:10px solid #d8e8ff;border-top-color:var(--blue);border-right-color:var(--blue);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:112px;height:112px;display:flex}.score-ring strong{font-size:27px}.score-ring span{color:var(--muted);font-size:9px}.wide-panel{grid-column:span 1}.panel-heading{justify-content:space-between;align-items:flex-start;gap:22px;display:flex}.mini-class-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px;display:grid}.mini-class-grid>div{border:1px solid var(--line);border-radius:12px;flex-direction:column;min-height:130px;padding:17px;display:flex}.mini-class-grid strong{font-size:13px;line-height:1.35}.mini-class-grid span{color:var(--muted);margin:auto 0 10px;font-size:10px}.mini-class-grid i,.class-progress-line,.topic-progress-table i{background:#e7edf5;border-radius:999px;height:5px;overflow:hidden}.mini-class-grid i b,.class-progress-line i,.topic-progress-table i b{background:var(--blue);border-radius:inherit;height:100%;display:block}.exam-date{align-items:center;gap:10px;width:fit-content;margin:24px 0 16px;display:flex}.exam-date strong{font-size:48px;line-height:1}.exam-date span{max-width:60px;color:var(--muted);letter-spacing:.12em;font-size:9px}.panel-copy{color:var(--muted);font-size:12px;line-height:1.55}.weak-topics{margin:20px 0 0;padding:0;list-style:none}.weak-topics li{border-top:1px solid var(--line);grid-template-columns:30px 1fr auto;gap:8px;padding:13px 0;font-size:12px;display:grid}.weak-topics span{color:var(--blue);font-size:10px}.weak-topics b{color:#d65b55}.dashboard-filterbar{justify-content:space-between;align-items:center;gap:20px;margin:26px 0 18px;display:flex}.dashboard-filterbar>div{background:#e9eef5;border-radius:10px;gap:4px;padding:4px;display:flex}.dashboard-filterbar button{min-height:36px;color:var(--muted);background:0 0;border:0;border-radius:7px;padding:0 14px;font-size:11px;font-weight:700}.dashboard-filterbar button.active{color:var(--ink);background:#fff;box-shadow:0 4px 12px #223b5f14}.dashboard-filterbar label{border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;gap:9px;min-width:240px;height:44px;padding:0 13px;display:flex}.dashboard-filterbar label span{color:var(--muted);font-size:10px}.dashboard-filterbar input{border:0;outline:0;width:100%;min-width:0;font-size:12px}.dashboard-class-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.dashboard-class-grid article{border:1px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;min-height:255px;padding:22px;display:flex}.dashboard-class-top{justify-content:space-between;align-items:center;display:flex}.dashboard-class-top span{width:35px;height:35px;color:var(--blue);background:var(--blue-soft);border-radius:9px;place-items:center;font-size:10px;font-weight:800;display:grid}.dashboard-class-top b{color:var(--muted);font-size:10px}.dashboard-class-grid h2{letter-spacing:-.03em;margin:30px 0 9px;font-size:18px;line-height:1.22}.dashboard-class-grid p{color:var(--muted);margin:0;font-size:10px}.class-progress-line{margin:auto 0 17px}.dashboard-class-actions{border-top:1px solid var(--line);justify-content:space-between;padding-top:15px;display:flex}.dashboard-class-actions a{color:var(--blue-dark);font-size:11px;font-weight:700}.practice-topic-panel{border:1px solid var(--line);background:#fff;border-radius:16px;margin-bottom:24px;padding:24px}.practice-topic-panel .panel-heading>span{color:var(--muted);font-size:10px}.practice-topic-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.practice-topic-grid>a{min-height:170px;color:var(--ink);border:1px solid var(--line);background:#f8fafc;border-radius:11px;flex-direction:column;padding:16px;transition:border-color .15s,background .15s;display:flex}.practice-topic-grid>a:hover,.practice-topic-grid>a.selected{border-color:var(--blue);background:#f2f7ff}.practice-topic-grid span{color:var(--blue);text-transform:uppercase;letter-spacing:.08em;font-size:8px;font-weight:800}.practice-topic-grid strong{margin:10px 0 5px;font-size:15px;line-height:1.3}.practice-topic-grid small{color:var(--muted);font-size:9px}.practice-topic-grid i{background:#dce4ee;border-radius:99px;height:4px;margin:auto 0 12px;overflow:hidden}.practice-topic-grid i b{background:var(--blue);height:100%;display:block}.practice-topic-grid em{color:var(--blue-dark);font-size:9px;font-style:normal;font-weight:800}.practice-topic-empty{text-align:center;color:var(--muted);background:#fff;border:1px dashed #c8d5e5;border-radius:16px;margin-top:20px;padding:44px}.practice-topic-empty h2{color:var(--ink);margin:0 0 8px;font-size:22px}.practice-topic-empty p{margin:0;font-size:11px}.practice-stage{padding:25px 0}.practice-toolbar{max-width:790px;color:var(--muted);grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;margin:0 auto 14px;font-size:11px;display:grid}.practice-toolbar>a{color:var(--muted);justify-self:start;padding:0}.practice-progress{background:#dce4ee;border-radius:999px;justify-self:end;width:150px;height:4px;overflow:hidden}.practice-progress i{background:var(--blue);height:100%;display:block}.practice-card{border:1px solid var(--line);background:#fff;border-radius:18px;max-width:790px;margin:0 auto;padding:38px;box-shadow:0 18px 45px #14366814}.practice-context{gap:8px;display:flex}.practice-context span{color:var(--blue-dark);background:var(--blue-soft);border-radius:7px;padding:7px 9px;font-size:9px;font-weight:700}.practice-card h2{letter-spacing:-.025em;margin:36px 0 28px;font-size:24px;line-height:1.45}.practice-options{flex-direction:column;gap:11px;display:flex}.practice-options button{text-align:left;min-height:58px;color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:11px;grid-template-columns:34px 1fr auto;align-items:center;gap:12px;padding:10px 15px;font-size:13px;display:grid}.practice-options button:hover,.practice-options button.chosen{border-color:var(--blue);background:#f2f7ff}.practice-options button>span{width:32px;height:32px;color:var(--muted);background:#f1f4f8;border-radius:8px;place-items:center;font-size:10px;font-weight:800;display:grid}.practice-options button.correct{color:#08694c;background:#effbf7;border-color:#55c79f}.practice-options button.incorrect{color:#8c302f;background:#fff3f2;border-color:#ee8d88}.practice-options button b{font-size:10px}.written-answer,.numeric-answer{color:var(--muted);gap:9px;font-size:11px;font-weight:750;display:grid}.written-answer textarea,.numeric-answer input{width:100%;color:var(--ink);border:1px solid var(--line);resize:vertical;background:#fff;border-radius:11px;outline:0;padding:16px;font-size:14px;font-weight:500;line-height:1.6}.numeric-answer input{font-variant-numeric:tabular-nums;height:58px;font-size:17px}.written-answer textarea:focus,.numeric-answer input:focus,.case-answer input:focus,.case-answer textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #096bff1a}.case-answer{gap:12px;display:grid}.case-answer>label{border:1px solid var(--line);background:#f8faff;border-radius:12px;grid-template-columns:minmax(0,1fr) minmax(190px,.85fr);align-items:start;gap:18px;padding:16px;display:grid}.case-answer>label>span{grid-template-columns:38px minmax(0,1fr);align-items:start;gap:10px;font-size:12px;line-height:1.55;display:grid}.case-answer>label>span>b{color:var(--blue-dark);background:var(--blue-soft);text-align:center;border-radius:6px;padding:5px 7px;font-size:9px}.case-answer input,.case-answer textarea{width:100%;color:var(--ink);border:1px solid var(--line);font:inherit;resize:vertical;background:#fff;border-radius:8px;outline:0;padding:11px;font-size:11px;line-height:1.5}.case-answer input{font-variant-numeric:tabular-nums;height:43px}.case-solution{color:#286b59;gap:7px;margin-top:10px;font-size:11px;display:grid}.case-solution span{grid-template-columns:32px minmax(0,1fr);gap:8px;display:grid}.explanation-box{color:#075e45;border-left:3px solid var(--success);background:#edfaf5;border-radius:9px;margin-top:18px;padding:20px}.explanation-box p{color:#427064;margin:8px 0 0;font-size:12px;line-height:1.6}.practice-footer{border-top:1px solid var(--line);justify-content:space-between;margin-top:30px;padding-top:22px;display:flex}.practice-footer button:disabled{opacity:.45;cursor:not-allowed;transform:none}.question-security-note{text-align:center;color:#8b95a5;font-size:9px}.session-state{text-align:center;align-content:center;place-items:center;min-height:280px;display:grid}.session-state h2{margin:14px 0 6px}.session-state p,.session-error{color:#9b2530;font-size:12px;line-height:1.55}.loading-dot{background:var(--blue);width:12px;height:12px;box-shadow:0 0 0 8px var(--blue-soft);border-radius:50%}.release-banner{background:#eafaf4;border:1px solid #bcead9;border-radius:12px;align-items:center;gap:18px;margin:28px 0 18px;padding:16px 20px;display:flex}.release-banner>span{color:#087654;align-items:center;gap:7px;font-size:11px;font-weight:800;display:flex}.release-banner i{background:var(--success);border-radius:50%;width:8px;height:8px}.release-banner p{margin:0;font-size:12px}.release-banner small{color:#558276;margin-left:auto}.exam-list{border:1px solid var(--line);background:#fff;border-radius:14px;overflow:hidden}.exam-list-head,.exam-row{grid-template-columns:2fr repeat(4,.7fr) .5fr;align-items:center;gap:12px;min-height:56px;padding:0 18px;display:grid}.exam-list-head{color:var(--muted);border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.07em;background:#f8fafc;font-size:9px}.exam-row{border-bottom:1px solid var(--line);font-size:11px}.exam-row:last-child{border:0}.exam-row>a{color:var(--blue);text-align:right;font-weight:800}.exam-row>strong small{color:var(--muted);margin-top:4px;font-size:9px;font-weight:500;display:block}.status-completed,.status-ready{border-radius:999px;width:fit-content;padding:6px 8px;font-size:9px;font-weight:800}.status-completed{color:#526174;background:#edf1f5}.status-ready{color:#087654;background:#eafaf4}.progress-stats{grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0 18px;display:grid}.progress-stats article{border:1px solid var(--line);background:#fff;border-radius:13px;padding:22px}.progress-stats p{color:var(--muted);margin:0 0 18px;font-size:10px}.progress-stats h2{letter-spacing:-.018em;margin:0 0 5px;font-size:30px}.progress-stats span{color:var(--success);font-size:9px}.progress-panel{min-height:0}.empty-dashboard-state{text-align:center;border:1px solid var(--line);background:#fff;border-radius:16px;margin-top:28px;padding:56px 28px}.empty-dashboard-state h2{margin:0 0 8px}.empty-dashboard-state p{color:var(--muted);margin:0 auto 22px;line-height:1.6}.compact-empty{margin-top:18px;padding:28px}.compact-empty p{margin-bottom:0}.topic-progress-table{margin-top:24px}.topic-progress-table>div{border-top:1px solid var(--line);grid-template-columns:1fr 2fr 45px;align-items:center;gap:20px;min-height:54px;font-size:11px;display:grid}.topic-progress-table i b{background:linear-gradient(90deg,#0c72f6,#49a1ff)}.admin-shell{background:#f4f7fb;grid-template-columns:250px 1fr;min-height:100vh;display:grid}.admin-sidebar{color:#fff;background:var(--ink);flex-direction:column;padding:28px 20px;display:flex}.admin-sidebar>p{color:#637896;text-transform:uppercase;letter-spacing:.12em;margin:42px 12px 12px;font-size:9px;font-weight:800}.admin-sidebar nav{flex-direction:column;gap:5px;display:flex}.admin-sidebar nav a{color:#aab9ce;border-radius:8px;justify-content:space-between;align-items:center;min-height:42px;padding:0 12px;font-size:12px;display:flex}.admin-sidebar nav i{color:#72a9ff;text-align:center;width:20px;font-style:normal;display:none}.admin-sidebar nav a:hover,.admin-sidebar nav a.active{color:#fff;background:#ffffff14}.admin-sidebar nav b{color:#71849f;font-size:9px}.admin-identity{color:#71849f;margin-top:auto;padding:24px 12px 0;font-size:10px;line-height:1.5;display:block}.admin-error,.import-message{color:#9b2530;font-size:12px;line-height:1.5}.admin-main{min-width:0;padding:36px 42px 70px}.admin-header{justify-content:space-between;align-items:center;gap:20px;display:flex}.admin-header p{color:var(--muted);margin:0 0 6px;font-size:11px}.admin-header h1{letter-spacing:-.02em;margin:0;font-size:34px}.admin-stats{grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0 18px;display:grid}.admin-stat{border:1px solid var(--line);background:#fff;border-radius:13px;padding:20px}.admin-stat span{color:var(--muted);font-size:10px}.admin-stat strong{margin-top:12px;font-size:28px;display:block}.launch-readiness{border:1px solid var(--line);background:#fff;border-radius:14px;margin-bottom:18px;padding:24px}.launch-readiness .admin-panel-header{margin-bottom:18px}.launch-readiness .admin-panel-header p{margin:0 0 5px}.launch-readiness .admin-panel-header h2{font-size:24px}.launch-readiness .admin-panel-header>strong{color:var(--blue);font-size:28px}.launch-check-list{grid-template-columns:repeat(5,1fr);gap:9px;display:grid}.launch-check-list>div{border:1px solid var(--line);background:#f7f9fc;border-radius:10px;align-items:flex-start;gap:10px;min-height:92px;padding:13px;display:flex}.launch-check-list i{border-radius:50%;flex:0 0 22px;place-items:center;height:22px;font-size:10px;font-style:normal;font-weight:900;display:grid}.launch-check-list i.ready{color:#087654;background:#dcf8ee}.launch-check-list i.pending{color:#8b6411;background:#fff0bd}.launch-check-list span{flex-direction:column;gap:5px;display:flex}.launch-check-list b{font-size:10px;line-height:1.35}.launch-check-list small{color:var(--muted);font-size:8px;line-height:1.45}.admin-grid{grid-template-columns:1.2fr .8fr;gap:16px;display:grid}.admin-panel{border:1px solid var(--line);background:#fff;border-radius:14px;padding:24px}.admin-panel-header{justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px;display:flex}.admin-panel-header h2{margin:0;font-size:19px}.planning-summary{grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0 18px;display:grid}.planning-summary article{border:1px solid var(--line);background:#fff;border-radius:13px;padding:20px}.planning-summary span{color:var(--muted);font-size:10px}.planning-summary strong{margin-top:10px;font-size:27px;display:block}.planning-message{color:var(--blue-dark);margin:-4px 0 14px;font-size:11px}.planning-board{grid-template-columns:1fr 1fr;align-items:start;gap:16px;display:grid}.planning-column .admin-panel-header>div{flex-direction:column;gap:4px;display:flex}.planning-column .admin-panel-header p{margin:0}.planning-count{color:var(--blue-dark);background:var(--blue-soft);border-radius:999px;padding:6px 9px;font-size:9px;font-weight:800}.planning-form{border:1px solid var(--line);background:#f7f9fc;border-radius:11px;grid-template-columns:1fr auto;align-items:end;gap:11px;margin-bottom:18px;padding:16px;display:grid}.planning-form label{flex-direction:column;grid-column:1/-1;gap:6px;display:flex}.planning-form label span{color:#516074;font-size:9px;font-weight:800}.planning-form label small{color:var(--muted);font-weight:500}.planning-form input,.planning-form textarea{width:100%;color:var(--ink);border:1px solid var(--line);font:inherit;resize:vertical;background:#fff;border-radius:8px;padding:10px 11px;font-size:11px;line-height:1.45}.planning-form input:focus,.planning-form textarea:focus{border-color:var(--blue);outline:2px solid #0c72f629}.planning-form .button{grid-column:2}.planning-list{flex-direction:column;gap:9px;display:flex}.planning-item{border:1px solid var(--line);background:#fff;border-radius:10px;gap:12px;min-height:72px;padding:14px 42px 14px 14px;display:flex;position:relative}.planning-item strong{font-size:11px;line-height:1.45;display:block}.planning-item p{color:var(--muted);white-space:pre-wrap;margin:5px 0 0;font-size:9px;line-height:1.55}.planning-delete{color:#8792a3;cursor:pointer;background:0 0;border:0;border-radius:7px;width:27px;height:27px;font-size:17px;position:absolute;top:10px;right:10px}.planning-delete:hover{color:#b42318;background:#fff1f0}.todo-check{flex:0 0 25px;width:25px;height:25px;position:relative}.todo-check input{opacity:0;position:absolute}.todo-check span{color:#0000;cursor:pointer;background:#fff;border:1px solid #bdc8d6;border-radius:7px;place-items:center;width:25px;height:25px;font-size:11px;font-weight:900;display:grid}.todo-check input:checked+span{color:#fff;background:var(--blue);border-color:var(--blue)}.todo-check input:focus-visible+span{outline-offset:2px;outline:2px solid #0c72f640}.todo-item.is-complete{background:#f8fafc}.todo-item.is-complete strong{color:#7a8697;text-decoration:line-through}.todo-item.is-complete p{opacity:.7}.improvement-item{grid-template-columns:1fr;display:grid}.improvement-copy{padding-right:4px}.verdict-picker{flex-wrap:wrap;gap:5px;margin-top:3px;display:flex}.verdict-picker button{color:#667386;cursor:pointer;background:#f3f5f8;border:1px solid #0000;border-radius:7px;min-height:28px;padding:0 8px;font-size:8px;font-weight:800}.verdict-picker button[aria-pressed=true].verdict-promising{color:#087654;background:#eafaf4;border-color:#bfe8d9}.verdict-picker button[aria-pressed=true].verdict-consider{color:#8b6411;background:#fff7df;border-color:#f1dda4}.verdict-picker button[aria-pressed=true].verdict-not_now{color:#697486;background:#e9edf2;border-color:#d3d9e1}.planning-empty{text-align:center;background:#fafbfd;border:1px dashed #ced6e0;border-radius:10px;padding:30px 18px}.planning-empty strong{font-size:12px}.planning-empty p{color:var(--muted);margin:6px 0 0;font-size:10px}.release-table>div{border-top:1px solid var(--line);grid-template-columns:1.2fr .8fr .6fr auto;align-items:center;gap:10px;min-height:58px;font-size:10px;display:grid}.release-table strong{font-size:12px}.release-status{text-transform:uppercase;border-radius:999px;width:fit-content;padding:6px 8px;font-size:8px;font-weight:800}.release-live{color:#087654;background:#eafaf4}.release-scheduled{color:#8b6411;background:#fff7df}.release-draft{color:#687385;background:#edf1f5}.admin-actions-list{flex-direction:column;gap:10px;display:flex}.admin-actions-list button,.admin-actions-list a{min-height:54px;color:var(--ink);border:1px solid var(--line);background:#f7f9fc;border-radius:10px;justify-content:space-between;align-items:center;padding:0 15px;font-size:11px;font-weight:700;display:flex}.admin-actions-list button:hover,.admin-actions-list a:hover{border-color:var(--blue);background:#f0f6ff}.empty-table-copy{color:var(--muted);margin:20px 0;font-size:12px}.release-manager-summary{grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0 18px;display:grid}.release-manager-summary>div{border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;gap:6px;padding:19px;display:flex}.release-manager-summary strong{letter-spacing:-.03em;font-size:20px}.release-manager-summary span{color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-size:9px}.managed-table{border:1px solid var(--line);background:#fff;border-radius:14px;overflow:hidden}.managed-table-head,.managed-table-row{grid-template-columns:1.25fr 1fr 1fr .55fr .45fr;align-items:center;gap:14px;min-height:62px;padding:0 18px;display:grid}.managed-table-head{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;background:#f8fafc;font-size:8px;font-weight:800}.managed-table-row{border-top:1px solid var(--line);font-size:10px}.managed-table-row>div{flex-direction:column;gap:4px;display:flex}.managed-table-row strong{font-size:12px}.managed-table-row small{color:var(--muted);font-size:8px}.managed-table-row>button{color:var(--blue-dark);background:0 0;border:0;justify-self:end;font-size:10px;font-weight:800}.managed-row-actions{justify-content:flex-end;align-items:center;flex-direction:row!important;gap:5px!important;display:flex!important}.managed-row-actions button{color:var(--blue-dark);cursor:pointer;background:#eef5ff;border:0;border-radius:6px;padding:6px 7px;font-size:8px;font-weight:800}.managed-row-actions .danger-text-button{color:#b42318;background:#fff1f0}.admin-check{align-items:center;gap:9px;font-size:10px;font-weight:700;display:flex}.release-edit-actions{grid-template-columns:1fr 1fr;gap:8px;margin:18px 0;display:grid}.danger-button{color:#b42318!important;background:#fff1f0!important;border-color:#f3b8b3!important}.admin-modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#05112380;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.admin-modal{background:#fff;border-radius:17px;width:min(540px,100%);padding:28px;box-shadow:0 30px 90px #0411264d}.wide-admin-modal{width:min(760px,100%);max-height:calc(100vh - 40px);overflow-y:auto}.admin-modal-header{justify-content:space-between;gap:20px;display:flex}.admin-modal-header p{color:var(--muted);text-transform:uppercase;margin:0 0 4px;font-size:9px}.admin-modal-header h2{letter-spacing:-.035em;margin:0;font-size:25px}.admin-modal-header>button{width:34px;height:34px;color:var(--muted);background:#f1f4f8;border:0;border-radius:8px;font-size:18px}.release-access-preview{border:1px solid var(--line);background:#f5f8fc;border-radius:10px;flex-direction:column;gap:7px;margin:24px 0;padding:20px;display:flex}.release-access-preview span{color:var(--blue);text-transform:uppercase;font-size:9px;font-weight:800}.release-access-preview strong{font-size:14px}.release-access-preview small{color:var(--muted);line-height:1.5}.modal-actions{justify-content:flex-end;gap:8px;display:flex}.modal-actions .button{min-height:40px;padding-inline:13px;font-size:10px}.question-picker{border:1px solid var(--line);background:#f7f9fc;border-radius:10px;flex-direction:column;gap:9px;margin:22px 0;padding:18px;display:flex}.question-picker>strong{margin-bottom:4px;font-size:12px}.question-picker label{border:1px solid var(--line);background:#fff;border-radius:8px;align-items:flex-start;gap:10px;padding:9px;font-size:11px;line-height:1.45;display:flex}.question-picker p{color:var(--muted);font-size:11px}.account-layout{grid-template-columns:1.1fr .9fr;gap:16px;margin-top:28px;display:grid}.account-card,.settings-card{border:1px solid var(--line);background:#fff;border-radius:15px;padding:30px}.active-plan-card{color:#fff;background:linear-gradient(135deg,#0c70f2,#0752cd);border:0}.account-card h2{margin:0 0 12px;font-size:28px}.account-card>strong{font-size:34px}.account-card>strong small{font-size:11px}.account-card>p:not(.eyebrow){color:inherit;opacity:.7;font-size:12px;line-height:1.6}.active-plan-card>div{border-top:1px solid #fff3;justify-content:space-between;margin-top:30px;padding-top:20px;font-size:10px;display:flex}.active-plan-card i{background:#5ce0af;border-radius:50%;width:7px;height:7px;margin-right:6px;display:inline-block}.account-card:not(.active-plan-card){flex-direction:column;align-items:flex-start;display:flex}.account-card:not(.active-plan-card) .text-link{margin-top:auto}.billing-action{width:100%;margin:10px 0 24px}.billing-action .button{width:100%}.billing-upgrade-link{width:100%;margin:10px 0 24px}.billing-config-panel{margin-top:18px}.admin-panel-copy{max-width:780px;color:var(--muted);margin:-8px 0 20px;font-size:11px;line-height:1.65}.billing-config-list{flex-direction:column;display:flex}.billing-config-row{border-top:1px solid var(--line);grid-template-columns:1.1fr .55fr 1fr auto;align-items:end;gap:14px;min-height:82px;padding:13px 0;display:grid}.billing-config-row>div{flex-direction:column;align-self:center;gap:5px;display:flex}.billing-config-row strong{font-size:12px}.billing-config-row small,.billing-config-row label span{color:var(--muted);font-size:9px}.billing-config-row label{flex-direction:column;gap:6px;display:flex}.billing-config-row input{border:1px solid var(--line);border-radius:8px;width:100%;height:39px;padding:0 10px;font-size:11px}.settings-card{max-width:820px;margin-top:28px}.settings-photo{border-bottom:1px solid var(--line);align-items:center;gap:14px;margin-bottom:28px;padding-bottom:24px;display:flex}.settings-photo>span{color:#fff;background:var(--blue);border-radius:15px;place-items:center;width:60px;height:60px;font-weight:800;display:grid}.settings-photo>div{flex-direction:column;gap:4px;display:flex}.settings-photo small{color:var(--muted)}.settings-photo button{margin-left:auto}.admin-workspace-grid{grid-template-columns:1.35fr .65fr;gap:16px;margin-top:28px;display:grid}.question-admin-list>div{border-top:1px solid var(--line);grid-template-columns:25px 34px 1.5fr .7fr auto minmax(142px,auto);align-items:center;gap:10px;min-height:63px;font-size:9px;display:grid}.question-admin-list>div.is-selected{background:#f0f6ff}.question-admin-list>div>span{color:var(--blue);font-weight:800}.question-admin-list>div>strong{font-size:11px}.question-admin-list>div>small{color:var(--muted);flex-wrap:wrap;align-items:center;gap:5px;display:flex}.question-type-pill{color:var(--blue-dark);background:var(--blue-soft);text-transform:uppercase;border-radius:5px;padding:4px 6px;font-size:7px;font-weight:800}.question-admin-list>div>button{background:0 0;border:0}.question-library-panel .admin-panel-header>div{flex-direction:column;gap:4px;display:flex}.question-library-panel .admin-panel-header p{color:var(--muted);margin:0;font-size:9px}.question-bulk-bar{color:var(--blue-dark);background:#eef5ff;border:1px solid #cfe1fb;border-radius:10px;align-items:center;gap:9px;margin:-4px 0 16px;padding:10px 12px;display:flex}.question-bulk-bar strong{font-size:11px}.question-bulk-bar>span{color:var(--muted);margin-right:auto;font-size:8px}.question-topic-actions{border-top:1px solid var(--line);padding:8px 10px 0}.question-topic-actions button{color:var(--blue-dark);cursor:pointer;background:#eef5ff;border:0;border-radius:6px;padding:6px 8px;font-size:8px;font-weight:800}.question-select{width:23px;height:23px;position:relative}.question-select input{opacity:0;position:absolute}.question-select span{color:#0000;cursor:pointer;background:#fff;border:1px solid #bdc8d6;border-radius:6px;place-items:center;width:23px;height:23px;font-size:9px;font-weight:900;display:grid}.question-select input:checked+span{color:#fff;background:var(--blue);border-color:var(--blue)}.question-select input:focus-visible+span{outline-offset:2px;outline:2px solid #0c72f640}.question-library-tree{gap:10px;display:grid}.question-library-tree details{border:1px solid var(--line);border-radius:10px;overflow:hidden}.question-library-tree summary{cursor:pointer;grid-template-columns:22px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:50px;padding:0 12px;list-style:none;display:grid}.question-library-tree summary::-webkit-details-marker{display:none}.question-library-tree summary:hover{background:#f7faff}.question-library-tree summary strong{font-size:11px}.question-library-tree summary small{color:var(--muted);font-size:8px}.question-tree-university>summary{background:#f5f8fc}.question-tree-university>div{padding:0 10px 10px}.question-tree-programme{background:#fff;margin-top:9px}.question-tree-programme>div{border-top:1px solid var(--line);padding:0 9px 9px}.question-tree-class{margin-top:8px}.question-tree-class>summary{min-height:47px}.question-tree-class>div{border-top:1px solid var(--line);background:#fafbfd;padding:0 8px 8px}.question-tree-topic{background:#fff;margin-top:7px}.question-tree-topic>summary{min-height:44px}.question-tree-topic .question-admin-list{border-top:1px solid var(--line);padding:0 10px 8px}.question-row-actions{justify-content:flex-end;align-items:center;gap:5px;display:flex}.question-row-actions button{color:var(--blue-dark);cursor:pointer;background:#eef5ff;border:0;border-radius:6px;padding:6px 7px;font-size:8px;font-weight:800}.question-row-actions .danger-text-button{color:#b42318;background:#fff1f0}.question-option-editor{gap:8px;margin-top:14px;display:grid}.question-option-editor>label{font-size:10px;font-weight:800}.question-option-editor>div{grid-template-columns:22px 1fr;align-items:center;gap:8px;display:grid}.question-option-editor input[type=text],.question-option-editor input:not([type]){border:1px solid var(--line);width:100%;min-height:42px;font:inherit;border-radius:8px;padding:0 12px}.equation-editor{gap:8px;margin-top:18px;display:grid}.equation-editor>label{color:var(--ink);font-size:10px;font-weight:800}.equation-editor>textarea{width:100%;min-height:104px;color:var(--ink);border:1px solid var(--line);font:inherit;resize:vertical;background:#fff;border-radius:9px;outline:0;padding:12px;font-size:11px;line-height:1.55}.equation-editor>textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #096bff1a}.equation-toolbar{border:1px solid var(--line);background:#f5f8fc;border-radius:8px;flex-wrap:wrap;gap:5px;padding:7px;display:flex}.equation-toolbar button{min-height:28px;color:var(--blue-dark);cursor:pointer;background:#fff;border:1px solid #cdd9e9;border-radius:6px;padding:0 8px;font-size:8px;font-weight:800}.equation-toolbar button:hover{border-color:var(--blue);background:var(--blue-soft)}.equation-preview{min-height:48px;color:var(--ink);background:#f8fbff;border:1px solid #d5e3f5;border-radius:8px;padding:10px 12px;font-size:12px;line-height:1.7;overflow-x:auto}.equation-preview>small{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px;font-size:7px;font-weight:800;display:block}.compact-equation-editor{margin-top:0}.compact-equation-editor>textarea{min-height:58px}.compact-equation-editor .equation-toolbar button{min-height:25px;padding-inline:6px;font-size:7px}.math-format-help{margin-top:14px}.math-text{white-space:pre-wrap}.math-inline{margin-inline:.08em;display:inline-block}.math-display{max-width:100%;margin:.7em 0;display:block;overflow:auto hidden}.question-create-action{border:1px solid var(--line);background:#fff;border-radius:13px;margin-bottom:-10px;padding:18px 20px}.question-create-modal{width:min(920px,100%);max-height:calc(100vh - 40px);overflow-y:auto}.question-create-modal>.form-field,.question-create-modal>.form-grid{margin-top:18px}.question-create-modal .form-field small{color:var(--muted);font-size:9px;line-height:1.5}.manual-format-grid{grid-template-columns:repeat(4,1fr)}.admin-warning{color:#8b6411;background:#fff7df;border:1px solid #f0d991;border-radius:8px;margin:16px 0 0;padding:11px 13px;font-size:10px;line-height:1.5}.case-subquestion-builder{border:1px solid var(--line);background:#f7f9fc;border-radius:10px;margin-top:18px;padding:16px}.case-subquestion-builder .admin-panel-header{margin-bottom:12px}.case-subquestion-builder .admin-panel-header>div{flex-direction:column;gap:4px;display:flex}.case-subquestion-builder .admin-panel-header strong{font-size:11px}.case-subquestion-builder .admin-panel-header small{color:var(--muted);font-size:9px;line-height:1.5}.case-builder-part{border:1px solid var(--line);background:#fff;border-radius:9px;margin-top:10px;padding:13px}.case-builder-heading{grid-template-columns:110px minmax(160px,220px) 30px;align-items:end;gap:8px;margin-bottom:10px;display:grid}.case-builder-heading label,.case-answer-row label{color:var(--muted);flex-direction:column;gap:5px;font-size:8px;font-weight:800;display:flex}.case-builder-heading input,.case-builder-heading select,.case-answer-row input,.case-answer-row textarea{width:100%;min-height:38px;color:var(--ink);border:1px solid var(--line);font:inherit;background:#fff;border-radius:7px;padding:8px 9px;font-size:9px}.case-builder-heading>button{color:#b42318;background:#fff1f0;border:0;border-radius:7px;width:30px;height:38px;font-size:16px}.case-builder-heading>button:disabled{color:#9aa5b3;background:#edf1f5}.case-answer-row{grid-template-columns:1fr 130px;align-items:end;gap:8px;margin-top:10px;display:grid}.case-answer-row textarea{resize:vertical}.code-textarea{min-height:150px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace!important;font-size:9px!important}.import-panel{align-self:start}.import-panel>p:not(.eyebrow){color:var(--muted);font-size:11px;line-height:1.65}.import-panel .button{margin-top:10px}.question-format-grid{grid-template-columns:1fr 1fr;gap:8px;margin:18px 0;display:grid}.question-format-grid button{min-height:60px;color:var(--ink);border:1px solid var(--line);text-align:left;background:#f7f9fc;border-radius:9px;flex-direction:column;align-items:flex-start;gap:4px;padding:10px;display:flex}.question-format-grid button.selected{border-color:var(--blue);background:var(--blue-soft);box-shadow:0 0 0 2px #096bff14}.question-format-grid strong{font-size:10px}.question-format-grid small{color:var(--muted);font-size:8px}.format-help{border:1px solid var(--line);background:#f5f8fc;border-radius:8px;padding:11px}.format-help code{color:var(--blue-dark);font-size:9px}.import-error-list{color:#8d2631;background:#fff4f4;border:1px solid #f0c5ca;border-radius:8px;max-height:180px;margin:12px 0 0;padding:10px 10px 10px 28px;font-size:9px;line-height:1.55;overflow-y:auto}.hierarchy-card{border:1px solid var(--line);background:#fff;border-radius:15px;margin-top:28px;padding:20px}.hierarchy-row{border-bottom:1px solid var(--line);grid-template-columns:.4fr 1.5fr 1fr auto;align-items:center;gap:14px;min-height:62px;padding:0 16px;display:grid}.hierarchy-row:last-child{border:0}.hierarchy-row>span{color:var(--blue);text-transform:uppercase;font-size:9px;font-weight:800}.hierarchy-row>strong{font-size:12px}.hierarchy-row>small{color:var(--muted)}.hierarchy-row>button{color:var(--blue-dark);background:0 0;border:0;font-size:9px;font-weight:800}.hierarchy-programme{margin-left:24px}.hierarchy-course{margin-left:50px}.catalog-accordion{gap:12px;margin-top:28px;display:grid}.catalog-university,.catalog-programme,.catalog-course{border:1px solid var(--line);background:#fff;border-radius:15px;overflow:hidden}.catalog-university>summary,.catalog-programme>summary,.catalog-course>summary{cursor:pointer;grid-template-columns:24px minmax(220px,1.5fr) 1fr auto;align-items:center;gap:14px;min-height:72px;padding:0 18px;list-style:none;display:grid}.catalog-university>summary::-webkit-details-marker{display:none}.catalog-programme>summary::-webkit-details-marker{display:none}.catalog-course>summary::-webkit-details-marker{display:none}.catalog-university>summary:hover,.catalog-programme>summary:hover,.catalog-course>summary:hover{background:#f8fbff}.catalog-university>summary div,.catalog-programme>summary div,.catalog-course>summary div{flex-direction:column;gap:3px;display:flex}.catalog-university summary small,.catalog-programme summary small,.catalog-course summary small{color:var(--blue);text-transform:uppercase;letter-spacing:.08em;font-size:8px;font-weight:800}.catalog-university summary strong,.catalog-programme summary strong,.catalog-course summary strong{font-size:13px}.catalog-university summary>span:not(.catalog-chevron):not(.catalog-index),.catalog-programme summary>span:not(.catalog-chevron),.catalog-course summary>span:not(.catalog-index){color:var(--muted);font-size:10px}.catalog-chevron{color:var(--blue);font-size:25px;transition:transform .15s;transform:rotate(0)}details[open]>summary .catalog-chevron{transform:rotate(90deg)}.catalog-index{color:var(--blue);font-size:10px;font-weight:900}.catalog-accordion-body{border-top:1px solid var(--line);padding:0 18px 18px}.catalog-programme{border-radius:11px;margin-top:12px}.catalog-programme>summary{grid-template-columns:22px minmax(190px,1.5fr) 1fr auto;min-height:64px}.catalog-programme-body{border-top:1px solid var(--line);padding:0 14px 14px}.catalog-course{border-radius:9px;margin-top:10px}.catalog-course>summary{grid-template-columns:32px minmax(180px,1.5fr) 1fr auto;min-height:60px}.catalog-course-body{border-top:1px solid var(--line);padding:0 14px 14px}.catalog-parent-actions{min-height:50px;color:var(--muted);justify-content:space-between;align-items:center;gap:20px;font-size:10px;display:flex}.catalog-row-actions{flex-shrink:0;justify-content:flex-end;align-items:center;gap:8px;display:flex}.catalog-row-actions button{color:var(--blue-dark);cursor:pointer;background:#eef5ff;border:0;border-radius:7px;padding:7px 10px;font-size:9px;font-weight:800}.catalog-row-actions .danger-text-button{color:#b42318;background:#fff1f0}.catalog-row-actions button:disabled{opacity:.55;cursor:wait}.catalog-topic-list{border:1px solid var(--line);background:#f8fafc;border-radius:9px;padding:3px 13px 13px}.catalog-topic>span{color:var(--blue);text-transform:uppercase;letter-spacing:.08em;font-size:8px;font-weight:800}.catalog-topic strong{font-size:11px}.catalog-topic{border-bottom:1px solid var(--line);grid-template-columns:72px minmax(180px,1fr) auto;align-items:center;gap:12px;padding:10px 0 7px;display:grid}.catalog-topic:last-child{border-bottom:0}.catalog-empty{color:var(--muted);background:#f8fafc;border-radius:8px;margin:12px 0 0;padding:18px;font-size:10px}.admin-top-space{margin-top:28px}.admin-inline-actions{align-items:center;gap:16px;margin-top:28px;display:flex}.admin-inline-actions span{color:var(--muted);font-size:11px}.legal-copy{margin-bottom:100px}.legal-sections{max-width:900px}.legal-sections section+section{border-top:1px solid var(--line);margin-top:38px;padding-top:34px}.legal-sections h2{font-size:25px}.legal-sections p,.legal-sections li{color:var(--muted);font-size:14px;line-height:1.75}.legal-sections li+li{margin-top:8px}.legal-sections a{color:var(--blue-dark);text-underline-offset:3px;font-weight:700;text-decoration:underline}.enrol-card{text-align:left;border:1px solid var(--line);background:#fff;border-radius:18px;max-width:520px;margin:34px auto 90px;padding:34px;box-shadow:0 18px 45px #14366814}.enrol-card h2{margin:22px 0 8px;font-size:30px}.enrol-card>p{color:var(--muted);margin:0 0 24px;line-height:1.6}.checkout-consents{gap:12px;margin:0 0 18px;display:grid}.checkout-consents label{color:var(--muted);grid-template-columns:18px 1fr;align-items:start;gap:9px;font-size:11px;line-height:1.5;display:grid}.checkout-consents input{accent-color:var(--blue);margin-top:2px}.checkout-consents a{color:var(--blue-dark);text-underline-offset:2px;font-weight:750;text-decoration:underline}.exam-start-card{border:1px solid var(--line);background:#fff;border-radius:18px;max-width:700px;margin:40px auto;padding:42px;box-shadow:0 18px 45px #14366814}.exam-start-card h2{letter-spacing:-.018em;margin:0;font-size:36px}.exam-start-card>p:not(.eyebrow){color:var(--muted)}.exam-start-card ul{color:var(--muted);background:#f5f8fc;border-radius:11px;margin:28px 0;padding:22px 22px 22px 42px;font-size:12px;line-height:1.8}.exam-session{margin-top:24px}.exam-session>header{background:var(--ink);color:#fff;border-radius:13px 13px 0 0;grid-template-columns:1fr auto 1fr;align-items:center;min-height:64px;padding:0 20px;display:grid}.exam-session>header>a{font-size:11px}.exam-session>header>div{flex-direction:column;align-items:center;display:flex}.exam-session>header span{color:#93a3ba;text-transform:uppercase;letter-spacing:.1em;font-size:8px}.exam-session>header strong{font-variant-numeric:tabular-nums;margin-top:3px}.exam-session>header button{color:#fff;background:var(--blue);border:0;border-radius:7px;justify-self:end;padding:8px 12px;font-size:10px;font-weight:800}.exam-session-grid{border:1px solid var(--line);background:#fff;border-top:0;border-radius:0 0 13px 13px;grid-template-columns:220px 1fr;min-height:590px;display:grid;overflow:hidden}.exam-session-grid aside{border-right:1px solid var(--line);background:#f6f8fb;padding:24px}.exam-session-grid aside>p{margin:0 0 18px;font-size:11px;font-weight:800}.exam-session-grid aside>div{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.exam-session-grid aside button{aspect-ratio:1;color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:6px;font-size:9px}.exam-session-grid aside button.current{color:#fff;background:var(--blue);border-color:var(--blue)}.exam-session-grid aside button.answered{color:var(--blue-dark);background:var(--blue-soft);border-color:#b6d2fa}.exam-session-grid aside small{color:var(--muted);align-items:center;gap:5px;margin-top:24px;font-size:8px;display:flex}.exam-session-grid aside small i{border:1px solid var(--line);background:#fff;border-radius:2px;width:8px;height:8px;margin-left:5px}.exam-session-grid aside small i.answered{background:var(--blue-soft);border-color:#b6d2fa}.exam-session-grid article{padding:42px}.exam-question-meta{color:var(--blue);margin:0;font-size:10px;font-weight:800}.exam-session-grid article h2{margin:27px 0 32px;font-size:23px;line-height:1.45}.exam-session-grid article>button{width:100%;min-height:57px;color:var(--ink);border:1px solid var(--line);text-align:left;background:#fff;border-radius:10px;align-items:center;gap:12px;margin-top:10px;padding:10px 15px;display:flex}.exam-session-grid article>button span{width:30px;height:30px;color:var(--muted);background:#f1f4f8;border-radius:7px;place-items:center;font-size:9px;font-weight:800;display:grid}.exam-session-grid article>button.selected{border-color:var(--blue);background:#f1f6ff}.exam-session-grid article footer{border-top:1px solid var(--line);justify-content:space-between;margin-top:34px;padding-top:22px;display:flex}.exam-session-grid article footer button{color:var(--blue-dark);border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px 14px;font-size:10px;font-weight:800}.exam-session-grid article footer button:disabled{color:#a4adba}@media (width<=900px){.site-header{grid-template-columns:1fr auto}.site-header nav{display:none}.hero-copy{margin-top:90px}.proof-strip{grid-template-columns:1fr}.proof-strip div{border-bottom:1px solid #ffffff1f;border-right:0}.split-heading,.preview-section{grid-template-columns:1fr;gap:36px}.programme-grid,.steps-grid{grid-template-columns:1fr}.preview-section{padding-block:90px}.cta-section{flex-direction:column;align-items:flex-start;padding:42px}.footer-main{grid-template-columns:2fr 1fr 1fr}.footer-main>div:last-child{grid-column:2}.class-grid{grid-template-columns:repeat(2,1fr)}.class-detail-grid,.topics-section{grid-template-columns:1fr;gap:50px}.class-summary-card{min-height:400px}.release-callout{grid-template-columns:auto 1fr}.release-callout .live-pill{grid-column:2;width:fit-content}.contact-layout,.auth-page{grid-template-columns:1fr}.auth-visual{min-height:430px}.auth-visual-copy{margin-top:100px}.dashboard-shell,.admin-shell{grid-template-columns:84px 1fr}.dashboard-sidebar{padding-inline:13px}.dashboard-sidebar .brand>span:last-child,.dashboard-student div,.dashboard-sidebar nav span,.sidebar-bottom{display:none}.dashboard-student{justify-content:center;padding:8px}.dashboard-sidebar nav a{justify-content:center}.dashboard-sidebar nav i{font-size:16px}.dashboard-grid,.admin-grid,.planning-board{grid-template-columns:1fr}.dashboard-class-grid,.practice-topic-grid,.progress-stats,.admin-stats{grid-template-columns:repeat(2,1fr)}.admin-sidebar .brand>span:last-child,.admin-sidebar>p,.admin-sidebar nav span{display:none}.admin-sidebar nav i{display:block}.admin-sidebar nav a{justify-content:center}.admin-sidebar{padding-inline:14px}.release-manager-summary{grid-template-columns:repeat(2,1fr)}.account-layout,.admin-workspace-grid{grid-template-columns:1fr}.billing-config-row{grid-template-columns:1fr 1fr}.launch-check-list{grid-template-columns:repeat(2,1fr)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=620px){.content-width{width:min(100% - 28px,1180px)}.launch-check-list{grid-template-columns:1fr}.site-header{border-radius:16px;width:calc(100% - 24px);min-height:62px;margin-top:12px;padding:9px 10px 9px 14px}.header-actions .dark-button{display:none}.compact-button{min-height:40px;padding-inline:14px}.brand{font-size:16px}.brand-logo{border-radius:8px;width:32px;height:32px}.hero-copy{width:calc(100% - 28px);margin-top:72px}.hero{min-height:780px;padding-bottom:150px}.hero h1{letter-spacing:-.018em;font-size:44px;line-height:1.08}.hero-subtitle{font-size:16px}.search-shortcut{display:none}.search-results{max-height:360px}.search-results a{grid-template-columns:38px minmax(0,1fr) auto;gap:9px;padding:10px 8px}.result-mark{width:38px;height:38px;font-size:11px}.proof-strip{width:calc(100% - 28px)}.section{padding-block:82px}.programme-card{min-height:300px}.programme-card h3{font-size:27px}.question-preview{padding:20px}.cta-section{margin-bottom:70px;padding:34px 26px}.footer-main{grid-template-columns:1fr 1fr;gap:36px 20px}.footer-brand{grid-column:1/-1}.footer-main>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column;gap:20px}.inner-hero{padding-top:80px}.inner-hero-stats{flex-direction:column;width:100%}.inner-hero-stats span{min-width:0}.class-grid,.pricing-grid,.copy-layout{grid-template-columns:1fr}.class-card{min-height:310px}.catalog-cta{flex-direction:column;align-items:flex-start;padding:34px 26px}.class-detail{padding-top:70px}.class-detail .breadcrumbs{margin-bottom:50px}.detail-actions{flex-direction:column;align-items:stretch}.topic-list>div{grid-template-columns:34px 1fr;padding:17px 0}.topic-list small{grid-column:2}.release-callout{grid-template-columns:1fr}.release-callout .live-pill{grid-column:1}.price-card{min-height:auto}.price-card ul{min-height:0}.form-grid{grid-template-columns:1fr}.form-field.full-field{grid-column:1}.auth-visual{min-height:360px;padding:24px}.auth-visual-copy{margin-top:80px}.auth-form-wrap{padding:50px 22px}.dashboard-shell,.admin-shell{display:block}.dashboard-sidebar,.admin-sidebar{flex-direction:row;align-items:center;min-height:auto;padding:14px;position:static}.dashboard-sidebar{display:flex}.dashboard-sidebar .brand,.admin-sidebar .brand{margin:0 12px 0 0}.dashboard-student,.sidebar-bottom{display:none}.dashboard-sidebar nav,.admin-sidebar nav{flex-direction:row;margin-left:auto;overflow-x:auto}.dashboard-sidebar nav a,.admin-sidebar nav a{min-width:42px;padding:0 9px}.dashboard-main,.admin-main{padding:26px 14px 50px}.dashboard-topbar h1,.admin-header h1{font-size:28px}.dashboard-grid,.dashboard-class-grid,.progress-stats,.admin-stats,.planning-summary,.practice-topic-grid,.mini-class-grid{grid-template-columns:1fr}.dashboard-filterbar{flex-direction:column;align-items:stretch}.dashboard-filterbar label{min-width:0}.practice-card{padding:22px}.practice-toolbar{grid-template-columns:1fr auto}.practice-progress{grid-column:1/-1;justify-self:stretch;width:100%}.practice-options button{grid-template-columns:32px 1fr}.practice-options button b{grid-column:2}.case-answer>label{grid-template-columns:1fr}.release-banner{flex-direction:column;align-items:flex-start}.release-banner small{margin-left:0}.exam-list{overflow-x:auto}.exam-list-head,.exam-row{min-width:700px}.topic-progress-table>div{grid-template-columns:1fr 80px 36px;gap:10px}.exam-session-grid{grid-template-columns:1fr}.exam-session-grid aside{border-right:0;border-bottom:1px solid var(--line)}.exam-session-grid aside>div{grid-template-columns:repeat(10,1fr)}.exam-session-grid article{padding:24px 18px}.managed-table{overflow-x:auto}.managed-table-head,.managed-table-row{min-width:760px}.release-manager-summary{grid-template-columns:1fr}.modal-actions{flex-direction:column;align-items:stretch}.settings-photo{flex-wrap:wrap;align-items:flex-start}.settings-photo button{width:100%;margin-left:0}.question-admin-list{overflow-x:auto}.question-admin-list>div{min-width:690px}.question-bulk-bar{flex-wrap:wrap;align-items:stretch}.question-bulk-bar>span{flex-basis:100%;order:2}.hierarchy-card{overflow-x:auto}.hierarchy-row{min-width:650px}.hierarchy-programme,.hierarchy-course{margin-left:0}.catalog-university>summary,.catalog-programme>summary,.catalog-course>summary{grid-template-columns:22px minmax(0,1fr) auto;padding-inline:12px}.catalog-university>summary>span:not(.catalog-chevron),.catalog-programme>summary>span:not(.catalog-chevron),.catalog-course>summary>span:not(.catalog-index){display:none}.catalog-accordion-body{padding-inline:10px}.catalog-programme-body,.catalog-course-body{padding-inline:8px}.catalog-parent-actions{flex-direction:column;align-items:flex-start;padding-block:10px}.catalog-topic{grid-template-columns:55px 1fr}.catalog-topic .catalog-row-actions{grid-column:2;justify-content:flex-start}.question-library-tree summary{grid-template-columns:20px minmax(0,1fr)}.question-library-tree summary small{grid-column:2;padding-bottom:8px}.billing-config-row{grid-template-columns:1fr;align-items:stretch}.billing-config-row .button{width:100%}.question-create-action{flex-direction:column;align-items:stretch}.manual-format-grid{grid-template-columns:1fr 1fr}.case-builder-heading{grid-template-columns:1fr 1fr 30px}.case-answer-row{grid-template-columns:1fr}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}