@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.18.4"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.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;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .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{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.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;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.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:.8333333333em}.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:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.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:1.6666666667em}.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:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.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:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.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:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.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:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.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:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.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:.4166666667em}.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:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.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:.8333333333em}.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:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.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:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.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:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.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:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.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:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.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{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .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{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--green-900: #10382c;--green-800: #164a3a;--green-700: #1a5f4a;--green-600: #24785e;--green-100: #dceee7;--green-50: #eff8f4;--gold-600: #b8860b;--gold-500: #f2c14e;--gold-100: #fdf3d9;--red-600: #b4433a;--red-100: #fbe6e4;--amber-600: #9a6a1a;--amber-100: #fdf0d5;--ink-900: #16201d;--ink-700: #37453f;--ink-500: #5f6f68;--ink-300: #93a29b;--surface: #ffffff;--surface-sunk: #f6f8f7;--surface-alt: #eef2f0;--border: #dfe6e3;--border-strong:#c6d2cd;--text: var(--ink-900);--text-muted:var(--ink-500);--brand: var(--green-700);--brand-ink: #ffffff;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(16, 56, 44, .06), 0 1px 3px rgba(16, 56, 44, .08);--shadow: 0 4px 12px rgba(16, 56, 44, .08), 0 1px 3px rgba(16, 56, 44, .06);--shadow-lg: 0 12px 32px rgba(16, 56, 44, .12);--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans Bengali", sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--wrap: 1120px}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--green-100: #1d4d3e;--green-50: #16332a;--gold-100: #3d3115;--red-100: #40211e;--amber-100: #3a2d13;--surface: #131a18;--surface-sunk: #0e1413;--surface-alt: #1b2422;--border: #26332f;--border-strong:#35443f;--text: #e8efec;--text-muted: #9aaaa3;--brand: #7fd3b3;--ink-700: #c3cfca;--ink-500: #9aaaa3;--ink-300: #6d7d77;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow: 0 4px 12px rgba(0, 0, 0, .45);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .55)}}:root[data-theme=dark]{--green-100: #1d4d3e;--green-50: #16332a;--gold-100: #3d3115;--red-100: #40211e;--amber-100: #3a2d13;--surface: #131a18;--surface-sunk: #0e1413;--surface-alt: #1b2422;--border: #26332f;--border-strong:#35443f;--text: #e8efec;--text-muted: #9aaaa3;--brand: #7fd3b3;--ink-700: #c3cfca;--ink-500: #9aaaa3;--ink-300: #6d7d77;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow: 0 4px 12px rgba(0, 0, 0, .45);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .55)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--surface-sunk);-webkit-font-smoothing:antialiased}h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}h1{font-size:clamp(1.9rem,1.3rem + 2.4vw,3rem)}h2{font-size:clamp(1.4rem,1.1rem + 1.2vw,2rem)}h3{font-size:1.15rem}p{margin:0 0 1em}a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:2px}:focus-visible{outline:3px solid var(--gold-500);outline-offset:2px;border-radius:3px}.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--green-700);color:#fff;padding:12px 18px;border-radius:0 0 var(--radius) 0}.skip-link:focus{left:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;line-height:1;padding:12px 20px;min-height:44px;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;text-decoration:none;transition:background-color .15s,border-color .15s,color .15s,transform .05s}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--green-700);color:#fff}.btn-primary:hover:not(:disabled){background:var(--green-800)}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--surface-alt);border-color:var(--ink-300)}.btn-gold{background:var(--gold-500);color:#3d2f08}.btn-gold:hover:not(:disabled){background:#e4b23c}.btn-danger{background:var(--red-600);color:#fff}.btn-danger:hover:not(:disabled){background:#9c352d}.btn-ghost{background:transparent;color:var(--text-muted);padding:8px 12px;min-height:36px}.btn-ghost:hover:not(:disabled){background:var(--surface-alt);color:var(--text)}.btn-block{width:100%}.btn-lg{padding:15px 28px;min-height:52px;font-size:1.05rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-pad{padding:24px}.badge{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:var(--surface-alt);color:var(--text-muted)}.badge-green{background:var(--green-100);color:var(--green-700)}.badge-gold{background:var(--gold-100);color:var(--gold-600)}.badge-red{background:var(--red-100);color:var(--red-600)}.badge-amber{background:var(--amber-100);color:var(--amber-600)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .badge-green{color:#8fdcbd}:root:not([data-theme=light]) .badge-gold{color:var(--gold-500)}:root:not([data-theme=light]) .badge-red{color:#f0a49c}:root:not([data-theme=light]) .badge-amber{color:#e8c37a}}:root[data-theme=dark] .badge-green{color:#8fdcbd}:root[data-theme=dark] .badge-gold{color:var(--gold-500)}:root[data-theme=dark] .badge-red{color:#f0a49c}:root[data-theme=dark] .badge-amber{color:#e8c37a}.field{margin-bottom:18px}.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}.field .hint{display:block;font-size:.85rem;color:var(--text-muted);margin-top:6px}.input{width:100%;font:inherit;color:var(--text);padding:12px 14px;min-height:46px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);transition:border-color .15s,box-shadow .15s}.input:focus{outline:none;border-color:var(--green-600);box-shadow:0 0 0 3px var(--green-100)}.input::placeholder{color:var(--ink-300)}.input[aria-invalid=true]{border-color:var(--red-600)}.input-otp{font-family:var(--mono);font-size:1.5rem;letter-spacing:.5em;text-align:center;padding-left:.5em}.input-phone-group{display:flex}.input-phone-group .prefix{display:flex;align-items:center;padding:0 14px;background:var(--surface-alt);color:var(--text-muted);font-weight:600;border:1px solid var(--border-strong);border-right:none;border-radius:var(--radius) 0 0 var(--radius)}.input-phone-group .input{border-radius:0 var(--radius) var(--radius) 0}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}@media (max-width: 560px){.form-grid{grid-template-columns:1fr}}.alert{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border-radius:var(--radius);border:1px solid;font-size:.94rem;margin-bottom:18px}.alert-error{background:var(--red-100);border-color:#eab8b3;color:var(--red-600)}.alert-success{background:var(--green-100);border-color:#a9d8c6;color:var(--green-700)}.alert-info{background:var(--gold-100);border-color:#e8d19a;color:var(--gold-600)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .alert-error{border-color:#6b322c;color:#f0a49c}:root:not([data-theme=light]) .alert-success{border-color:#2b6650;color:#8fdcbd}:root:not([data-theme=light]) .alert-info{border-color:#5f4c1d;color:var(--gold-500)}}:root[data-theme=dark] .alert-error{border-color:#6b322c;color:#f0a49c}:root[data-theme=dark] .alert-success{border-color:#2b6650;color:#8fdcbd}:root[data-theme=dark] .alert-info{border-color:#5f4c1d;color:var(--gold-500)}.alert ul{margin:6px 0 0;padding-left:18px}.spinner{width:22px;height:22px;border-radius:50%;border:2.5px solid var(--border-strong);border-top-color:var(--brand);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner{animation-duration:2s}}.state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:64px 20px;text-align:center;color:var(--text-muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.site-header{position:sticky;top:0;z-index:40;background:var(--surface);border-bottom:1px solid var(--border)}.site-header .wrap{display:flex;align-items:center;gap:20px;min-height:68px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text);margin-right:auto}.brand-mark{display:grid;place-items:center;width:38px;height:38px;flex:none;background:var(--green-700);color:var(--gold-500);border-radius:10px;font-weight:800;font-size:1.05rem}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-name{font-weight:800;font-size:1.02rem;letter-spacing:-.01em}.brand-sub{font-size:.72rem;color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase}.nav{display:flex;align-items:center;gap:4px}.nav a{padding:9px 14px;border-radius:var(--radius-sm);color:var(--text-muted);text-decoration:none;font-weight:600;font-size:.95rem}.nav a:hover{background:var(--surface-alt);color:var(--text)}.nav a.active{color:var(--brand);background:var(--green-50)}.nav-toggle{display:none}@media (max-width: 820px){.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;padding:0;background:transparent;border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;color:var(--text)}.nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:var(--surface);border-bottom:1px solid var(--border);padding:10px 20px 16px;box-shadow:var(--shadow)}.nav:not(.open){display:none}.nav a,.nav .btn{width:100%;justify-content:flex-start}}.site-footer{margin-top:72px;padding:40px 0 32px;background:var(--green-900);color:#c8ded5;font-size:.92rem}.site-footer a{color:var(--gold-500)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}@media (max-width: 720px){.footer-grid{grid-template-columns:1fr;gap:24px}}.site-footer h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.footer-bottom{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem;color:#9dbdb0}main{min-height:60vh}.hero{background:linear-gradient(155deg,var(--green-800) 0%,var(--green-700) 55%,var(--green-600) 100%);color:#fff;padding:clamp(48px,7vw,88px) 0}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}@media (max-width: 900px){.hero-grid{grid-template-columns:1fr;gap:32px}}.hero h1{color:#fff;margin-bottom:16px}.hero p{color:#cfe6db;font-size:1.1rem;max-width:52ch}.hero .eyebrow{display:inline-block;margin-bottom:16px;padding:6px 14px;background:#f2c14e29;color:var(--gold-500);border-radius:999px;font-size:.82rem;font-weight:700;letter-spacing:.04em}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.hero-panel{background:#ffffff12;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:26px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.hero-panel h3{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--gold-500)}.hero-stats{display:grid;gap:18px;margin-top:4px}.hero-stat strong{display:block;font-size:1.7rem;color:#fff;line-height:1.1}.hero-stat span{font-size:.88rem;color:#bcd8cb}.section{padding:clamp(44px,6vw,72px) 0}.section-head{max-width:62ch;margin-bottom:34px}.section-head p{color:var(--text-muted);font-size:1.05rem;margin-bottom:0}.eyebrow-dark{display:block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin-bottom:8px}.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.course-card{display:flex;flex-direction:column;padding:24px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s,border-color .15s}.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--green-600)}.course-card .code{align-self:flex-start;font-family:var(--mono);font-size:.74rem;font-weight:700;letter-spacing:.06em;padding:4px 9px;border-radius:var(--radius-sm);background:var(--green-100);color:var(--green-700);margin-bottom:14px}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .course-card .code{color:#8fdcbd}}:root[data-theme=dark] .course-card .code{color:#8fdcbd}.course-card h3{margin-bottom:8px}.course-card p{color:var(--text-muted);font-size:.94rem;flex:1}.course-card .go{font-weight:700;color:var(--brand);font-size:.92rem;margin-top:6px}.feature{padding:22px}.feature .icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:14px;border-radius:11px;background:var(--green-100);color:var(--green-700);font-size:1.2rem}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .feature .icon{color:#8fdcbd}}:root[data-theme=dark] .feature .icon{color:#8fdcbd}.feature h3{font-size:1.02rem;margin-bottom:6px}.feature p{color:var(--text-muted);font-size:.93rem;margin:0}.cta-band{background:var(--surface);border-block:1px solid var(--border);padding:clamp(40px,5vw,60px) 0;text-align:center}.cta-band p{color:var(--text-muted);max-width:56ch;margin-inline:auto}.page{padding:40px 0}.page-head{margin-bottom:28px}.page-head p{color:var(--text-muted);margin-bottom:0}.breadcrumb{font-size:.9rem;color:var(--text-muted);margin-bottom:10px}.breadcrumb a{color:var(--text-muted)}.auth-shell{display:grid;place-items:center;padding:56px 20px}.auth-card{width:100%;max-width:430px;padding:32px}.auth-card h1{font-size:1.55rem;margin-bottom:6px}.auth-card>p{color:var(--text-muted);font-size:.95rem}.meta-row{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;color:var(--text-muted);font-size:.9rem}.list-rows{display:grid;gap:14px}.row-card{display:flex;align-items:center;gap:20px;padding:20px 22px;flex-wrap:wrap}.row-card .grow{flex:1;min-width:220px}.row-card h3{margin-bottom:6px;font-size:1.05rem}.subject-chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:7px 13px;border-radius:999px;font-size:.88rem;font-weight:600;background:var(--surface-alt);color:var(--ink-700);border:1px solid var(--border)}.chip .count{color:var(--text-muted);font-weight:500}.exam-bar{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}.exam-bar .wrap{display:flex;align-items:center;gap:16px;min-height:66px;flex-wrap:wrap}.exam-bar .title{font-weight:700;margin-right:auto}.exam-bar .title small{display:block;font-weight:500;color:var(--text-muted);font-size:.82rem}.timer{display:flex;align-items:baseline;gap:6px;font-family:var(--mono);font-size:1.3rem;font-weight:700;padding:7px 14px;border-radius:var(--radius);background:var(--green-100);color:var(--green-700);font-variant-numeric:tabular-nums}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .timer{color:#8fdcbd}}:root[data-theme=dark] .timer{color:#8fdcbd}.timer.warn{background:var(--amber-100);color:var(--amber-600)}.timer.danger{background:var(--red-100);color:var(--red-600)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .timer.warn{color:#e8c37a}:root:not([data-theme=light]) .timer.danger{color:#f0a49c}}:root[data-theme=dark] .timer.warn{color:#e8c37a}:root[data-theme=dark] .timer.danger{color:#f0a49c}.timer small{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;opacity:.8}.exam-layout{display:grid;grid-template-columns:1fr 268px;gap:26px;align-items:start;padding:26px 0 60px}@media (max-width: 920px){.exam-layout{grid-template-columns:1fr}}.question-card{padding:28px}.question-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}.question-no{font-weight:800;font-size:.9rem;color:var(--text-muted);letter-spacing:.04em}.question-text{font-size:1.1rem;line-height:1.55;margin-bottom:24px}.options{display:grid;gap:11px}.option{display:flex;align-items:flex-start;gap:13px;padding:15px 17px;cursor:pointer;border:1.5px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);transition:border-color .12s,background-color .12s}.option:hover{border-color:var(--green-600);background:var(--green-50)}.option input{position:absolute;opacity:0;pointer-events:none}.option .marker{display:grid;place-items:center;flex:none;width:27px;height:27px;border-radius:50%;border:1.5px solid var(--border-strong);font-size:.82rem;font-weight:700;color:var(--text-muted);background:var(--surface)}.option.selected{border-color:var(--green-700);background:var(--green-50)}.option.selected .marker{background:var(--green-700);border-color:var(--green-700);color:#fff}.option:has(input:focus-visible){outline:3px solid var(--gold-500);outline-offset:2px}.option.correct{border-color:var(--green-700);background:var(--green-50)}.option.correct .marker{background:var(--green-700);border-color:var(--green-700);color:#fff}.option.incorrect{border-color:var(--red-600);background:var(--red-100)}.option.incorrect .marker{background:var(--red-600);border-color:var(--red-600);color:#fff}.review-item .option{cursor:default}.review-item .option:hover{border-color:var(--border-strong);background:var(--surface)}.review-item .option.correct:hover{border-color:var(--green-700);background:var(--green-50)}.review-item .option.incorrect:hover{border-color:var(--red-600);background:var(--red-100)}.review-item .option.correct{box-shadow:inset 3px 0 0 var(--green-700)}.review-item .option.incorrect{box-shadow:inset 3px 0 0 var(--red-600)}.option-body{display:block}.opt-tag{display:inline-block;margin-left:8px;padding:1px 9px;border-radius:999px;font-size:.74rem;font-weight:700;letter-spacing:.02em;vertical-align:2px;white-space:nowrap}.opt-tag-green{background:var(--green-700);color:#fff}.opt-tag-red{background:var(--red-600);color:#fff}.question-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--border)}.question-actions .spacer{flex:1}.palette{padding:20px;position:sticky;top:90px}.palette h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:14px}.palette-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.palette-btn{aspect-ratio:1;min-height:40px;display:grid;place-items:center;font:inherit;font-weight:700;font-size:.9rem;cursor:pointer;border:1.5px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-muted);transition:transform .08s}.palette-btn:hover{transform:scale(1.06)}.palette-btn.answered{background:var(--green-700);border-color:var(--green-700);color:#fff}.palette-btn.review{background:var(--gold-500);border-color:var(--gold-500);color:#3d2f08}.palette-btn.current{outline:3px solid var(--brand);outline-offset:1px}.palette-legend{display:grid;gap:7px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border);font-size:.85rem;color:var(--text-muted)}.legend-item{display:flex;align-items:center;gap:9px}.legend-dot{width:13px;height:13px;border-radius:4px;border:1.5px solid var(--border-strong);background:var(--surface);flex:none}.legend-dot.answered{background:var(--green-700);border-color:var(--green-700)}.legend-dot.review{background:var(--gold-500);border-color:var(--gold-500)}.score-hero{padding:34px;text-align:center;margin-bottom:26px}.score-ring{--pct: 0;width:168px;height:168px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;position:relative;background:conic-gradient(var(--green-600) calc(var(--pct) * 1%),var(--surface-alt) 0)}.score-ring:after{content:"";position:absolute;top:13px;right:13px;bottom:13px;left:13px;border-radius:50%;background:var(--surface)}.score-ring .inner{position:relative;z-index:1}.score-ring .pct{display:block;font-size:2.3rem;font-weight:800;line-height:1}.score-ring .label{font-size:.82rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.stat-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1px;background:var(--border);border-radius:var(--radius);overflow:hidden;margin-top:24px}.stat{background:var(--surface);padding:16px 12px;text-align:center}.stat strong{display:block;font-size:1.6rem;line-height:1.15}.stat span{font-size:.82rem;color:var(--text-muted)}.stat.good strong{color:var(--green-700)}.stat.bad strong{color:var(--red-600)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .stat.good strong{color:#8fdcbd}:root:not([data-theme=light]) .stat.bad strong{color:#f0a49c}}:root[data-theme=dark] .stat.good strong{color:#8fdcbd}:root[data-theme=dark] .stat.bad strong{color:#f0a49c}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}table.data{width:100%;border-collapse:collapse;font-size:.95rem;min-width:460px}table.data th,table.data td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--border)}table.data th{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--surface-alt)}table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}table.data tr:last-child td{border-bottom:none}.meter{height:7px;border-radius:999px;background:var(--surface-alt);overflow:hidden;min-width:84px}.meter>span{display:block;height:100%;border-radius:999px;background:var(--green-600)}.meter.low>span{background:var(--red-600)}.meter.mid>span{background:var(--gold-500)}.review-item{padding:22px}.review-item+.review-item{margin-top:14px}.explanation{margin-top:16px;padding:14px 16px;font-size:.93rem;background:var(--surface-alt);border-left:3px solid var(--green-600);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.explanation strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:4px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#10201b8c;display:grid;place-items:center;padding:20px}.modal{width:100%;max-width:460px;padding:28px;background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.modal h2{font-size:1.3rem}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px;flex-wrap:wrap}.stack{display:grid;gap:16px}.stack-lg{display:grid;gap:26px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.mt-0{margin-top:0}.mb-0{margin-bottom:0}.text-muted{color:var(--text-muted)}.text-sm{font-size:.9rem}.site-header .header-inner{display:flex;align-items:center;gap:18px;min-height:76px}.brand{text-decoration:none;color:inherit;margin-right:auto}.brand-lockup{display:flex;align-items:center;gap:11px}.brand-lockup .brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-lockup .brand-name{font-family:Georgia,Times New Roman,serif;font-weight:700;font-size:1.12rem;letter-spacing:.02em;color:var(--brand-wordmark)}.brand-lockup .brand-sub{font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-600)}:root{--brand-wordmark: #16307e}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--brand-wordmark: #b9ccff}}:root[data-theme=dark]{--brand-wordmark: #b9ccff}.nav{display:flex;align-items:center;gap:2px}.nav-item{position:relative;display:inline-flex;align-items:center;gap:5px;padding:10px 14px;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;color:var(--text-muted);text-decoration:none;background:none;border:0;cursor:pointer;font-family:inherit;white-space:nowrap}.nav-item:hover,.nav-item.open>.nav-trigger{color:var(--text)}.nav-link.active{color:var(--brand)}.nav-trigger{display:inline-flex;align-items:center;gap:5px;font:inherit;font-weight:600;color:inherit;background:none;border:0;cursor:pointer;padding:0}.nav-item.has-menu.open:after,.nav-link.active:after{content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:3px;border-radius:3px 3px 0 0;background:var(--brand)}.chev{transition:transform .15s;flex:none}.nav-item.open .chev-down{transform:rotate(180deg)}.nav-badge{position:absolute;top:-6px;right:2px;background:var(--gold-500);color:#4a3608;font-size:.6rem;font-weight:800;letter-spacing:.06em;padding:2px 7px;border-radius:999px;text-transform:uppercase}.mega{position:absolute;top:calc(100% + 10px);left:0;z-index:50;display:flex;align-items:flex-start;gap:10px}.mega-col{list-style:none;margin:0;padding:10px;min-width:268px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.mega-sub{min-width:210px}.mega-col li{border-radius:var(--radius)}.mega-col li.active{background:var(--green-50)}.mega-item{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:13px 14px;font:inherit;font-size:1rem;font-weight:500;color:var(--text);background:none;border:0;border-radius:var(--radius);cursor:pointer;text-align:left}.mega-item:hover{background:var(--surface-alt)}.mega-col li.active>.mega-item{background:transparent}.header-actions{display:flex;align-items:center;gap:12px}.call-menu{position:relative}.call-btn{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;background:var(--green-700);color:#fff;transition:background-color .15s,transform .08s}.call-btn:hover{background:var(--green-800)}.call-btn:active{transform:translateY(1px)}.call-pop{position:absolute;top:calc(100% + 12px);right:0;z-index:50;min-width:286px;padding:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.call-pop-item{display:flex;align-items:center;gap:12px;width:100%;padding:13px 12px;font:inherit;font-size:1rem;color:var(--text);background:none;border:0;border-radius:var(--radius);cursor:pointer;text-align:left}.call-pop-item>span:nth-child(2){flex:1}.call-pop-item:hover{background:var(--surface-alt)}.call-pop-icon{display:grid;place-items:center;width:38px;height:38px;flex:none;border-radius:50%;background:var(--green-100);font-size:1.05rem}.btn-outline{background:transparent;color:var(--brand);border:1.5px solid var(--brand);border-radius:999px;padding:11px 26px}.btn-outline:hover{background:var(--green-50)}.user-chip{display:flex;align-items:center;gap:6px}.user-chip .user-name{font-weight:600;font-size:.92rem;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-mobile-actions{display:none}@media (max-width: 1060px){.site-header .header-inner{gap:12px}.header-actions .user-chip .user-name{display:none}.nav-item{padding:10px;font-size:.9rem}}@media (max-width: 900px){.nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:var(--surface);border-bottom:1px solid var(--border);padding:12px 20px 20px;box-shadow:var(--shadow);max-height:calc(100vh - 76px);overflow-y:auto}.nav:not(.open){display:none}.nav-item{width:100%;justify-content:space-between;padding:14px 4px;font-size:1rem}.nav-item.has-menu.open:after,.nav-link.active:after{display:none}.nav-badge{position:static;margin-left:8px}.nav-item.has-menu{flex-direction:column;align-items:stretch;padding:0}.nav-item.has-menu .nav-trigger{width:100%;justify-content:space-between;padding:14px 4px}.mega{position:static;flex-direction:column;gap:0;width:100%}.mega-col{border:0;box-shadow:none;padding:0 0 0 12px;min-width:0;background:none}.mega-sub{padding-left:26px}.nav-mobile-actions{display:grid;gap:10px;margin-top:14px;padding-top:16px;border-top:1px solid var(--border)}.header-actions .btn-outline,.header-actions .user-chip{display:none}.brand-lockup .brand-name{font-size:1rem}}@media (max-width: 420px){.brand-lockup .brand-sub{display:none}}.whatsapp-fab{position:fixed;right:20px;bottom:20px;z-index:55;display:inline-flex;align-items:center;gap:10px;padding:13px 18px 13px 15px;background:#25d366;color:#fff;text-decoration:none;border-radius:999px;font-weight:700;font-size:.95rem;box-shadow:0 6px 20px #25d36666;transition:transform .15s,box-shadow .15s}.whatsapp-fab:hover{transform:translateY(-2px);box-shadow:0 10px 26px #25d36680}.whatsapp-fab:active{transform:translateY(0)}@media (max-width: 640px){.whatsapp-fab{padding:14px;right:16px;bottom:16px}.whatsapp-fab-label{display:none}}.lead-dialog{position:relative;display:grid;grid-template-columns:1fr 1fr;width:100%;max-width:840px;max-height:calc(100vh - 40px);overflow-y:auto;background:var(--surface);border-radius:22px;box-shadow:var(--shadow-lg)}.lead-close{position:absolute;top:14px;right:14px;z-index:2;display:grid;place-items:center;width:34px;height:34px;background:var(--surface-alt);color:var(--text-muted);border:0;border-radius:50%;cursor:pointer}.lead-close:hover{background:var(--border);color:var(--text)}.lead-aside{padding:40px 32px;background:linear-gradient(var(--border) 1px,transparent 1px) 0 0 / 100% 28px,linear-gradient(90deg,var(--border) 1px,transparent 1px) 0 0 / 28px 100%,var(--surface-sunk);border-radius:22px 0 0 22px}.lead-emoji{display:grid;place-items:center;width:62px;height:62px;background:var(--gold-100);border-radius:50%;font-size:1.7rem;margin-bottom:22px}.lead-aside h2{font-size:1.85rem;margin-bottom:10px}.lead-or{color:var(--text-muted);font-size:1.02rem}.lead-or a{color:inherit;text-decoration:none;font-weight:600}.lead-or a:hover{text-decoration:underline}.lead-progress{display:flex;align-items:center;gap:12px;margin-top:26px}.lead-progress-track{flex:1;height:7px;border-radius:999px;background:var(--green-100);overflow:hidden}.lead-progress-track>span{display:block;height:100%;border-radius:999px;background:var(--green-600);transition:width .25s ease}.lead-progress-label{font-weight:600;color:var(--text-muted);font-size:.95rem}.lead-main{padding:40px 32px}.lead-main .req{color:var(--red-600);margin-left:2px}.label-like{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}.choice-row{display:flex;gap:12px;flex-wrap:wrap}.choice{flex:1;min-width:120px;padding:14px 18px;font:inherit;font-weight:600;color:var(--text);background:var(--surface);border:1.5px solid var(--border-strong);border-radius:var(--radius);cursor:pointer;transition:border-color .15s,background-color .15s}.choice:hover{border-color:var(--green-600)}.choice.selected{border-color:var(--green-700);background:var(--green-50);color:var(--brand)}.lead-done{text-align:center;padding:20px 0}.lead-tick{display:grid;place-items:center;width:66px;height:66px;margin:0 auto 18px;border-radius:50%;background:var(--green-100);color:var(--green-700)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .lead-tick{color:#8fdcbd}}:root[data-theme=dark] .lead-tick{color:#8fdcbd}@media (max-width: 760px){.lead-dialog{grid-template-columns:1fr;max-width:480px}.lead-aside{border-radius:22px 22px 0 0;padding:32px 24px 24px}.lead-emoji{width:52px;height:52px;font-size:1.4rem;margin-bottom:16px}.lead-aside h2{font-size:1.5rem}.lead-main{padding:24px}}select.input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:none}.auth-logo{display:flex;justify-content:center;margin-bottom:14px}.auth-card h1{text-align:center}.auth-card>p{text-align:center}.link-btn{font:inherit;color:var(--brand);background:none;border:0;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:2px}.resend-row{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:20px;padding-top:18px;border-top:1px solid var(--border);text-align:center}.otp-countdown{margin:0;font-size:.95rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.otp-countdown strong{color:var(--text)}.auth-foot{margin-top:20px;margin-bottom:0;text-align:center}.mega-all{font-weight:700;color:var(--brand)}.section-rule{font-size:1.35rem;padding-bottom:14px;margin-bottom:22px;border-bottom:1px solid var(--border)}.ts-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(330px,1fr))}.ts-card{position:relative;display:flex;flex-direction:column;padding:22px 24px 24px;background:var(--surface-alt);border:1px solid var(--border);border-radius:18px}.ts-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px}.ts-kind{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;background:var(--surface);color:var(--text);border:1px solid var(--border-strong);font-size:.72rem;font-weight:800;letter-spacing:.04em}.ts-phase{position:relative;padding:8px 12px 8px 14px;margin-right:-24px;background:#ef7c1a;color:#fff;font-size:.7rem;font-weight:800;letter-spacing:.03em;white-space:nowrap;border-radius:6px 0 0 6px}.ts-phase:after{content:"";position:absolute;right:0;bottom:-7px;border-width:7px 7px 0 0;border-style:solid;border-color:#a8530a transparent transparent transparent}.ts-name{font-size:1.35rem;margin-bottom:6px}.ts-subtitle{color:var(--text-muted);margin-bottom:18px}.ts-features{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:12px;flex:1}.ts-features li{display:flex;align-items:flex-start;gap:11px;color:var(--text);font-size:.97rem}.ts-features svg{flex:none;margin-top:3px;color:var(--text-muted)}.ts-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.ts-price{font-size:1.6rem;font-weight:800;letter-spacing:-.01em}.ts-more{display:inline-flex;align-items:center;gap:6px;font:inherit;font-weight:700;font-size:1rem;color:#2f6fed;background:none;border:0;cursor:pointer;padding:6px 2px}.ts-more:hover{text-decoration:underline;text-underline-offset:3px}.ts-more:disabled{opacity:.6;cursor:not-allowed}.ts-more.owned{color:var(--green-700)}:root[data-theme=dark] .ts-more.owned{color:#8fdcbd}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .ts-more.owned{color:#8fdcbd}}.ts-owned-flag{position:absolute;top:-10px;left:22px;background:var(--green-700);color:#fff;font-size:.66rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:4px 11px;border-radius:999px}@media (max-width: 480px){.ts-card{padding:20px 18px 22px}.ts-phase{margin-right:-18px}.ts-name{font-size:1.2rem}}.bell-btn{display:grid;place-items:center;width:44px;height:44px;flex:none;border-radius:50%;border:1.5px solid var(--border-strong);color:var(--text);background:transparent;text-decoration:none}.bell-btn:hover{background:var(--surface-alt)}.user-menu{position:relative}.user-trigger{display:flex;align-items:center;gap:10px;padding:4px 6px 4px 4px;background:none;border:0;cursor:pointer;font:inherit;color:var(--text);border-radius:999px}.user-trigger:hover{background:var(--surface-alt)}.avatar{display:grid;place-items:center;width:42px;height:42px;flex:none;border-radius:50%;border:1.5px solid var(--border-strong);font-weight:800;font-size:.95rem;color:var(--text)}.user-meta{display:flex;flex-direction:column;align-items:flex-start;line-height:1.2}.user-meta strong{font-size:.95rem;font-weight:700}.user-meta small{font-size:.8rem;color:var(--text-muted)}.user-pop{position:absolute;top:calc(100% + 12px);right:0;z-index:50}.user-panel{width:330px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg)}.user-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 6px 16px;text-decoration:none;color:var(--text)}.user-panel-head strong{display:block;font-size:1.15rem}.user-panel-head small{display:block;color:var(--text-muted);font-size:.92rem;margin-top:2px}.user-panel-head:hover strong{text-decoration:underline;text-underline-offset:3px}.theme-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;margin-bottom:8px;background:var(--surface-sunk);border-radius:12px;font-weight:600}.theme-toggle-wrap{display:flex;align-items:center;gap:12px}.theme-label{color:var(--text-muted);font-weight:500}.switch{position:relative;width:62px;height:30px;flex:none;border:0;border-radius:999px;cursor:pointer;background:var(--border-strong);transition:background-color .18s}.switch .knob{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:transform .18s}.switch.on{background:var(--green-600)}.switch.on .knob{transform:translate(32px)}.user-panel-list{list-style:none;margin:0 0 12px;padding:0}.user-panel-list a{display:flex;align-items:center;gap:14px;padding:12px 8px;border-radius:12px;color:var(--text);text-decoration:none;font-size:1rem}.user-panel-list a:hover{background:var(--surface-alt)}.upi-icon{position:relative;display:grid;place-items:center;width:26px;color:var(--text-muted);flex:none}.upi-icon.has-dot:after{content:"";position:absolute;top:-1px;right:-1px;width:8px;height:8px;border-radius:50%;background:var(--gold-500);border:1.5px solid var(--surface)}.upi-label{flex:1}.upi-badge{background:var(--gold-500);color:#4a3608;font-size:.66rem;font-weight:800;letter-spacing:.05em;padding:4px 11px;border-radius:999px;text-transform:uppercase}.logout-btn{width:100%;padding:13px 20px;font:inherit;font-weight:700;color:var(--brand);background:transparent;border:1.5px solid var(--brand);border-radius:999px;cursor:pointer}.logout-btn:hover{background:var(--green-50)}@media (max-width: 900px){.user-panel{width:100%;border:0;box-shadow:none;padding:0;background:none}.header-actions .user-menu{display:none}.header-actions .bell-btn{display:grid}}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand strong{display:block;color:#fff;font-size:1rem}.footer-brand span{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-500)}.footer-credit{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:center}.credit-chip{display:inline-flex;align-items:center;gap:12px;padding:11px 22px;border-radius:999px;background:#ffffff0d;border:1px solid rgba(242,193,78,.28);font-size:.92rem;color:#cfe0d8}.credit-chip .spark{color:var(--gold-500);display:inline-flex}.credit-chip .credit-name{font-weight:700;background:linear-gradient(92deg,#ffd66b,#f2c14e 45%,#ffe9a8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--gold-500);letter-spacing:.01em}@media (max-width: 480px){.credit-chip{padding:10px 16px;font-size:.85rem;gap:8px}}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}@media (max-width: 820px){.profile-grid{grid-template-columns:1fr}}.avatar-lg{width:60px;height:60px;font-size:1.3rem}.detail-list{margin:0;display:grid;gap:12px}.detail-list>div{display:flex;justify-content:space-between;gap:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.detail-list>div:last-child{border-bottom:0;padding-bottom:0}.detail-list dt{color:var(--text-muted);font-size:.92rem}.detail-list dd{margin:0;font-weight:600;text-align:right}.admin-shell{display:grid;grid-template-columns:258px 1fr;min-height:100vh}.admin-side{display:flex;flex-direction:column;gap:22px;padding:22px 18px;background:var(--surface);border-right:1px solid var(--border);position:sticky;top:0;height:100vh;overflow-y:auto}.admin-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}.admin-brand strong{display:block;font-size:1rem}.admin-brand small{display:block;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-600)}.admin-nav{display:grid;gap:3px;flex:1}.admin-nav a{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:10px;color:var(--text-muted);text-decoration:none;font-weight:600;font-size:.94rem}.admin-nav a:hover{background:var(--surface-alt);color:var(--text)}.admin-nav a.active{background:var(--green-50);color:var(--brand)}.admin-side-foot{display:grid;gap:10px}.admin-theme{width:100%;padding:9px;font:inherit;font-size:.88rem;cursor:pointer;background:var(--surface-alt);color:var(--text-muted);border:1px solid var(--border);border-radius:8px}.admin-user{padding:10px 12px;background:var(--surface-sunk);border-radius:10px}.admin-user span{display:block;font-weight:700;font-size:.92rem}.admin-user small{color:var(--text-muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}.admin-main{padding:30px 32px 60px;min-width:0;background:var(--surface-sunk)}.admin-head{margin-bottom:26px}.admin-head h1{font-size:1.9rem;margin-bottom:4px}.admin-head p{color:var(--text-muted);margin-bottom:0}.admin-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}.admin-tile{padding:20px;border-radius:14px;text-decoration:none;background:var(--surface);border:1px solid var(--border);color:var(--text)}.admin-tile:hover{border-color:var(--green-600)}.admin-tile strong{display:block;font-size:2rem;line-height:1.1}.admin-tile span{color:var(--text-muted);font-size:.9rem}.admin-tile.alert{border-color:var(--gold-500)}.admin-tile.alert strong{color:var(--gold-600)}.admin-split{display:grid;grid-template-columns:minmax(280px,380px) 1fr;gap:22px;align-items:start}@media (max-width: 1100px){.admin-split{grid-template-columns:1fr}}.admin-row{display:flex;align-items:center;gap:14px;padding:14px 16px;width:100%;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:12px}.admin-row.as-button{cursor:pointer;font:inherit;color:var(--text)}.admin-row.as-button:hover:not(:disabled){border-color:var(--green-600)}.admin-row.as-button:disabled{opacity:.55;cursor:not-allowed}.admin-row.selected{border-color:var(--brand);background:var(--green-50)}.admin-row strong{display:block}.pill-toggle{font:inherit;font-size:.8rem;font-weight:700;cursor:pointer;padding:5px 12px;border-radius:999px;background:var(--surface-alt);color:var(--text-muted);border:1px solid var(--border-strong)}.pill-toggle.on{background:var(--green-100);color:var(--green-700);border-color:transparent}:root[data-theme=dark] .pill-toggle.on{color:#8fdcbd}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .pill-toggle.on{color:#8fdcbd}}.tab-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}.tab{font:inherit;font-weight:600;text-transform:capitalize;cursor:pointer;padding:9px 16px;border-radius:999px;background:var(--surface);color:var(--text-muted);border:1px solid var(--border)}.tab.active{background:var(--green-700);color:#fff;border-color:transparent}.tab-count{margin-left:7px;opacity:.75}.option-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}.opt-mark{display:grid;place-items:center;width:40px;height:44px;flex:none;font:inherit;font-weight:800;cursor:pointer;background:var(--surface);color:var(--text-muted);border:1.5px solid var(--border-strong);border-radius:var(--radius)}.opt-mark.correct{background:var(--green-700);border-color:var(--green-700);color:#fff}.qb-item{padding:16px 0;border-top:1px solid var(--border)}.qb-options{margin:10px 0 0;padding-left:22px;color:var(--text-muted);font-size:.93rem}.qb-options li.correct{color:var(--brand);font-weight:600}.qb-list{margin:0;padding-left:20px;display:grid;gap:8px}.qb-list li{display:flex;align-items:flex-start;gap:12px}.qb-list li span{flex:1}.pick-row{display:flex;align-items:flex-start;gap:11px;padding:11px 12px;border-radius:10px;cursor:pointer;border:1px solid transparent}.pick-row:hover{background:var(--surface-alt)}.pick-row.disabled{opacity:.55;cursor:not-allowed}.pick-row span{flex:1}textarea.input{resize:vertical;min-height:76px;line-height:1.5}@media (max-width: 860px){.admin-shell{grid-template-columns:1fr}.admin-side{position:static;height:auto;border-right:0;border-bottom:1px solid var(--border)}.admin-nav{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto}.admin-main{padding:22px 18px 50px}}.inline-check{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:.88rem;color:var(--text-muted);cursor:pointer}.qb-src{display:block;margin-top:2px;font-size:.82rem;color:var(--text-muted)}.rich-text{white-space:pre-line}.math-error{font-family:var(--mono);font-size:.9em;background:var(--red-100);color:var(--red-600);padding:1px 5px;border-radius:4px}.katex{font-size:1.05em}.katex-display{margin:.7em 0;overflow-x:auto;overflow-y:hidden;padding-bottom:2px}.q-figure{display:block;max-width:100%;height:auto;margin:4px 0 18px;border-radius:10px;background:#fff;border:1px solid var(--border);padding:8px}.opt-figure{display:block;max-width:220px;height:auto;margin-top:8px;border-radius:8px;background:#fff;border:1px solid var(--border);padding:6px}.img-field{margin-top:10px}.img-field.compact{margin-top:6px}.img-drop{font:inherit;font-size:.85rem;font-weight:600;color:var(--text-muted);background:var(--surface-alt);border:1px dashed var(--border-strong);border-radius:8px;padding:8px 14px;cursor:pointer}.img-drop:hover{border-color:var(--green-600);color:var(--text)}.img-drop:disabled{opacity:.6;cursor:wait}.img-preview{display:flex;align-items:flex-start;gap:10px}.img-preview img{max-width:190px;max-height:130px;border-radius:8px;background:#fff;border:1px solid var(--border);padding:5px}.img-field.compact .img-preview img{max-width:120px;max-height:84px}.img-error{color:var(--red-600);font-size:.85rem;margin:6px 0 0}.option-row{align-items:flex-start}.option-body{flex:1}.opt-preview{margin-top:8px;padding:8px 12px;background:var(--surface-alt);border-radius:8px;font-size:.95rem}.q-preview{margin:0 0 18px;padding:14px 16px;background:var(--surface-alt);border-left:3px solid var(--green-600);border-radius:0 8px 8px 0}.q-preview strong{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:8px}.q-preview p{margin:0}.qb-thumb{display:block;max-width:160px;max-height:110px;margin:8px 0;border-radius:6px;background:#fff;border:1px solid var(--border);padding:4px}.qb-thumb.sm{max-width:90px;max-height:64px;display:inline-block;margin:4px 0 0 8px;vertical-align:middle}.device-block{padding:18px 20px;margin-bottom:18px;background:var(--amber-100);border:1px solid var(--gold-500);border-radius:var(--radius)}.device-block h2{font-size:1.05rem;margin-bottom:6px}.device-block>p{font-size:.92rem;color:var(--text-muted);margin-bottom:14px}.device-block ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}.device-block li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm)}.device-block li span{display:flex;flex-direction:column;line-height:1.3}.device-block li small{color:var(--text-muted);font-size:.82rem}.device-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.device-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius)}.device-list li span{display:flex;flex-direction:column;line-height:1.3}.device-list li small{color:var(--text-muted);font-size:.84rem}.device-current{font-size:.7rem;font-weight:800;letter-spacing:.05em;color:var(--green-700);text-transform:uppercase}:root[data-theme=dark] .device-current{color:#8fdcbd}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .device-current{color:#8fdcbd}}.protected{position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none}.protected input,.protected textarea{-webkit-user-select:text;user-select:text}.protected img{-webkit-user-drag:none;user-drag:none;pointer-events:none}.watermark{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;flex-wrap:wrap;gap:46px 60px;align-content:flex-start;padding:30px;overflow:hidden;pointer-events:none;transform:rotate(-24deg) scale(1.5);transform-origin:center;opacity:.07}.watermark span{white-space:nowrap;font-size:.82rem;font-weight:700;letter-spacing:.04em;color:var(--text)}.obscure-veil{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;background:var(--surface);border-radius:var(--radius-lg)}.obscure-veil strong{font-size:1.15rem}.obscure-veil span{color:var(--text-muted);font-size:.93rem}.protected.is-obscured>*:not(.obscure-veil):not(.watermark){filter:blur(14px);pointer-events:none}@media print{body *{visibility:hidden!important}.print-block,.print-block *{visibility:visible!important}.print-block{position:absolute;top:0;right:0;bottom:0;left:0;display:flex!important;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:60px 40px;font-family:var(--font)}.protected,.protected *{display:none!important}}.print-block{display:none}.dash-alert{display:flex;flex-direction:column;gap:4px;padding:16px 20px;margin-bottom:22px;background:var(--amber-100);border:1px solid var(--gold-500);border-left-width:4px;border-radius:var(--radius);text-decoration:none;color:var(--text)}.dash-alert:hover{border-color:var(--amber-600)}.dash-alert span{font-size:.9rem;color:var(--text-muted)}.empty-warn{margin-top:6px;font-size:.8rem;font-weight:600;color:var(--amber-600)}.count-zero{color:var(--amber-600);font-weight:700}.admin-main table.data{min-width:760px}.admin-main table.data td:first-child,.admin-main table.data th:first-child{min-width:260px}.admin-main table.data td{vertical-align:top}.admin-main table.data td.num{white-space:nowrap}.empty-warn{max-width:34ch;line-height:1.45}.save-chip{color:var(--text-muted)}.save-chip.saved{color:var(--green-700)}.save-chip.err{color:var(--red-600);font-weight:600}:root[data-theme=dark] .save-chip.saved{color:#8fdcbd}:root[data-theme=dark] .save-chip.err{color:#f0a49c}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .save-chip.saved{color:#8fdcbd}:root:not([data-theme=light]) .save-chip.err{color:#f0a49c}}.pii-note{display:inline-block;margin-top:6px;font-size:.64rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:999px;background:var(--amber-100);color:var(--amber-600)}.masked-value{font-family:var(--mono);letter-spacing:.02em}.reveal-btn{margin-left:8px;font:inherit;font-size:.78rem;font-weight:600;color:var(--brand);background:none;border:0;cursor:pointer;padding:0;text-decoration:underline;text-underline-offset:2px}.reach-box{display:flex;flex-direction:column;gap:2px;padding:12px 16px;border-radius:var(--radius);background:var(--green-50);border:1px solid var(--green-100)}.reach-box strong{font-size:1.5rem;line-height:1.1;color:var(--brand)}.reach-box span{font-size:.84rem;color:var(--text-muted)}.report-box{margin-top:16px;padding-top:14px;border-top:1px dashed var(--border)}.report-trigger{font:inherit;font-size:.86rem;color:var(--text-muted);background:none;border:0;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:3px}.report-trigger:hover{color:var(--red-600)}.report-done{margin:0;font-size:.88rem;color:var(--green-700);font-weight:600}:root[data-theme=dark] .report-done{color:#8fdcbd}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .report-done{color:#8fdcbd}}.dispute-quote{margin:14px 0 0;padding:12px 16px;background:var(--surface-alt);border-left:3px solid var(--red-600);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.95rem;color:var(--ink-700)}.syllabus-source{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}.syllabus-units{list-style:none;margin:0;padding:0}.syllabus-unit{padding:16px 18px;margin-bottom:10px}.syllabus-unit h3{display:flex;align-items:baseline;gap:10px;margin:0 0 6px;font-size:1rem}.syllabus-unit p{font-size:.92rem;line-height:1.55}.syllabus-unit-no{flex:none;min-width:26px;padding:2px 7px;background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.8rem;font-variant-numeric:tabular-nums;text-align:center;color:var(--ink-700)}.qb-subject{border-bottom:1px solid var(--border)}.qb-subject:last-child{border-bottom:none}.qb-subject-head{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:12px 2px;background:none;border:none;cursor:pointer;font:inherit;font-weight:700;color:var(--text);text-align:left}.qb-subject-head:hover,.qb-subject-head.open{color:var(--brand)}.qb-chapters{padding:0 0 12px 10px;border-left:2px solid var(--border);margin-left:2px}.qb-chapter{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;margin-bottom:4px;padding:8px 10px;background:none;border:1px solid transparent;border-radius:var(--radius-sm);font:inherit;color:var(--text);text-align:left;cursor:pointer}.qb-chapter:hover{background:var(--surface-alt)}.qb-chapter.active{background:var(--green-50);border-color:var(--green-700);color:var(--brand);font-weight:600}.badge-empty{opacity:.55}.qb-add-chapter{margin-top:8px}
