@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=DM+Mono:ital,wght@0,300;0,400;0,500&display=swap";@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{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:"0.16.47"}.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>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.teacher-theme-switching :is(.teacher-theme-root,.teacher-ui,.exercise-ui),.teacher-theme-switching :is(.teacher-theme-root,.teacher-ui,.exercise-ui) *,.teacher-theme-switching :is(.teacher-theme-root,.teacher-ui,.exercise-ui) *:before,.teacher-theme-switching :is(.teacher-theme-root,.teacher-ui,.exercise-ui) *:after{transition:none!important}.teacher-theme-control{padding:4px 8px 0}.teacher-theme-control__label{padding:6px 6px 10px;color:var(--text-tertiary);font-family:var(--mobi-font-mono);font-size:10px;font-weight:500;letter-spacing:.14em}.teacher-theme-control__options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.teacher-theme-control__options button{min-width:0;height:40px;padding:0 7px;display:inline-flex;align-items:center;justify-content:center;gap:5px;border:0;border-radius:var(--teacher-control-large-radius);background:var(--neutral-container);color:var(--neutral-container-foreground);cursor:pointer;font-size:12px;font-weight:500}.teacher-theme-control__options button svg{width:14px;height:14px;flex:0 0 auto}.teacher-theme-control__options button:hover{background:var(--surface-container);color:var(--text-primary)}.teacher-theme-control__options button[data-selected=true]{background:var(--primary-container);color:var(--primary-container-foreground);font-weight:600}.teacher-theme-control__options button:focus-visible{outline:0;box-shadow:var(--focus-row)}.teacher-toaster[data-sonner-toaster]{--normal-bg: var(--surface-inverse) !important;--normal-border: transparent !important;--normal-text: var(--text-inverse) !important;--success-bg: var(--surface-inverse) !important;--success-border: transparent !important;--success-text: var(--text-inverse) !important;--warning-bg: var(--surface-inverse) !important;--warning-border: transparent !important;--warning-text: var(--text-inverse) !important;--error-bg: var(--surface-inverse) !important;--error-border: transparent !important;--error-text: var(--text-inverse) !important}.teacher-toaster [data-sonner-toast][data-styled=true]{gap:12px;padding:14px 18px;border:0!important;border-radius:var(--teacher-control-large-radius);background:var(--surface-inverse)!important;color:var(--text-inverse)!important;box-shadow:var(--shadow-overlay);font-family:var(--mobi-font-sans)}.teacher-toaster [data-sonner-toast] [data-icon]{color:var(--primary)}.teacher-toaster [data-sonner-toast] [data-icon] svg{width:17px;height:17px}.teacher-toaster [data-sonner-toast] [data-title]{color:var(--text-inverse);font-size:13px;font-weight:500;line-height:1.4}.teacher-toaster [data-sonner-toast] [data-description]{color:var(--text-inverse);font-size:12px;line-height:1.4}.teacher-toaster [data-sonner-toast] [data-button]{min-height:30px;padding:0 14px;border:0;border-radius:var(--teacher-control-compact-radius);background:var(--surface-inverse-action);color:var(--primary);font-weight:600}.teacher-toaster [data-sonner-toast] [data-button]:focus-visible{outline:0;box-shadow:var(--focus-inverse)}.teacher-sidebar{min-height:0;box-sizing:border-box;display:flex;flex-direction:column;padding:22px 14px 18px;overflow:visible;border-right:0;background:var(--surface-content)}.teacher-ui[data-nav-collapsed=true] .teacher-sidebar{padding:14px 8px}.teacher-sidebar__brand-row{height:40px;box-sizing:border-box;display:flex;align-items:center;gap:10px;margin-bottom:26px;padding:0 8px}.teacher-sidebar-toggle{width:30px;height:30px;box-sizing:border-box;display:grid;place-items:center;flex-shrink:0;padding:0;border:0;border-radius:var(--home-sidebar-toggle-radius);background:transparent;color:var(--text-tertiary);cursor:pointer}.teacher-sidebar-toggle:hover{background:var(--surface-hover);color:var(--text-primary)}.teacher-sidebar-toggle:focus-visible{outline:0;box-shadow:var(--focus-row)}.teacher-ui .teacher-nav-item:focus{outline:0}.teacher-ui .teacher-nav-item:focus-visible{box-shadow:var(--focus-nav)}.teacher-ui .teacher-nav-item:not(:disabled):hover{border-radius:var(--teacher-nav-state-radius)!important;background:var(--surface-hover)!important;color:var(--text-primary)!important}.teacher-ui .teacher-nav-item[aria-current=page]:hover{background:var(--primary-hover)!important;color:var(--primary-foreground)!important}.teacher-ui[data-screen=home]{position:relative;isolation:isolate;overflow:hidden;background:var(--bg-gradient)}.teacher-ui[data-screen=home]:before,.teacher-ui[data-screen=home]:after{position:absolute;z-index:0;left:calc(242px + (100% - 248px)/2);transform:translate(-50%,-50%);pointer-events:none;content:""}.teacher-ui[data-screen=home]:before{top:240px;width:1600px;height:1000px;background:var(--home-fog-background)}.teacher-ui[data-screen=home]:after{top:210px;width:1000px;height:460px;background:var(--home-center-light-background)}.teacher-ui[data-screen=home][data-nav-collapsed=true]:before,.teacher-ui[data-screen=home][data-nav-collapsed=true]:after{left:calc(66px + (100% - 72px)/2)}.teacher-ui[data-screen=home] .teacher-sidebar,.teacher-ui[data-screen=home] .teacher-main{position:relative;z-index:1;background:transparent}.teacher-ui[data-screen=home] .teacher-sidebar-toggle{color:var(--text-tertiary)}.teacher-account-area{position:relative;margin-top:auto;padding:0 0 4px}.teacher-account-area[data-collapsed=true]{padding:0 3px 4px}.teacher-account-trigger{width:100%;min-height:58px;box-sizing:border-box;display:flex;align-items:center;gap:10px;padding:12px 14px;border:0;border-radius:var(--teacher-radius-10);background:var(--surface-hover);color:var(--text-secondary);cursor:pointer;text-align:left}.teacher-account-trigger:hover{background:var(--surface-container)}.teacher-account-trigger[data-open=true],.teacher-account-trigger:focus-visible{outline:0;background:var(--surface-hover);box-shadow:0 0 0 3px var(--primary)}.teacher-account-trigger[data-collapsed=true]{width:44px;min-height:44px;margin:0 auto;padding:5px;border-radius:var(--teacher-radius-round);background:transparent;box-shadow:none}.teacher-account-trigger__avatar{box-sizing:border-box;transition:none}.teacher-account-trigger[data-collapsed=true][data-open=true] .teacher-account-trigger__avatar,.teacher-account-trigger[data-collapsed=true]:focus-visible .teacher-account-trigger__avatar{box-shadow:0 0 0 3px var(--primary)}.teacher-metadata{display:inline-flex;align-items:baseline;gap:var(--teacher-metadata-gap);min-width:0;max-width:100%;vertical-align:bottom}.teacher-metadata__value,.teacher-metadata__separator{flex:0 0 auto}.teacher-metadata__separator{color:var(--text-tertiary)}.teacher-metadata__value[data-truncate=true]{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.teacher-control{box-sizing:border-box;flex-shrink:0;font-family:inherit;line-height:1;transition:background-color .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease}.teacher-control--micro{height:var(--teacher-control-micro-height);border-radius:var(--teacher-control-micro-radius);font-size:var(--teacher-control-micro-font-size)}.teacher-control--compact{height:var(--teacher-control-compact-height);border-radius:var(--teacher-control-compact-radius);font-size:var(--teacher-control-compact-font-size)}.teacher-control--default{height:var(--teacher-control-default-height);border-radius:var(--teacher-control-default-radius);font-size:var(--teacher-control-default-font-size)}.teacher-control--large{height:var(--teacher-control-large-height);border-radius:var(--teacher-control-large-radius);font-size:var(--teacher-control-large-font-size)}.teacher-button,.teacher-icon-button,.teacher-filter-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--border-input);color:var(--text-secondary);cursor:pointer;font-weight:600;white-space:nowrap}.teacher-button{padding:0 16px}.teacher-control--micro.teacher-button,.teacher-control--micro.teacher-filter-button,.teacher-control--compact.teacher-button,.teacher-control--compact.teacher-filter-button{padding-right:12px;padding-left:12px}.teacher-icon-button{width:var(--teacher-control-default-height);padding:0}.teacher-control--micro.teacher-icon-button{width:var(--teacher-control-micro-height)}.teacher-control--compact.teacher-icon-button{width:var(--teacher-control-compact-height)}.teacher-control--large.teacher-icon-button{width:var(--teacher-control-large-height)}.teacher-move-control{display:grid;grid-template-rows:1fr 1fr;width:var(--teacher-control-default-height);overflow:hidden;border:1px solid transparent;background:var(--control-neutral-bg)}.teacher-move-control>.teacher-icon-button{width:100%;height:100%;min-height:0;border:0;border-radius:0}.teacher-move-control>.teacher-icon-button:focus-visible{outline:none;box-shadow:var(--focus-row)}.teacher-action-menu{z-index:100;min-width:120px;padding:6px;background:var(--surface-card);color:var(--text-primary);border:1px solid var(--border-input);border-radius:var(--teacher-control-default-radius);box-shadow:var(--shadow-overlay)}.teacher-action-menu__item{display:flex;align-items:center;min-height:var(--teacher-control-default-height);padding:0 12px;border-radius:var(--teacher-control-micro-radius);font-size:var(--teacher-control-default-font-size);cursor:pointer;outline:none}.teacher-action-menu__item[data-highlighted]{background:var(--surface-hover)}.teacher-action-menu__item--danger{color:var(--error-container-foreground);background:var(--error-container)}.teacher-action-menu__item--danger[data-highlighted]{background:var(--error-container);box-shadow:var(--focus-row)}.teacher-action-menu__item[data-disabled]{color:var(--text-disabled);cursor:default}.teacher-button--weak,.teacher-icon-button.teacher-button--weak,.teacher-button--secondary,.teacher-icon-button.teacher-button--secondary{border-color:transparent;background:var(--control-neutral-bg);color:var(--text-secondary)}.teacher-button--primary,.teacher-icon-button.teacher-button--primary{border-color:transparent;background:var(--primary);box-shadow:none;color:var(--primary-foreground);font-weight:700}.teacher-button--danger,.teacher-icon-button.teacher-button--danger{border-color:transparent;background:var(--error-container);color:var(--error-container-foreground)}.teacher-button--weak:hover:not(:disabled),.teacher-icon-button.teacher-button--weak:hover:not(:disabled),.teacher-button--secondary:hover:not(:disabled),.teacher-icon-button.teacher-button--secondary:hover:not(:disabled),.teacher-filter-button:hover:not(:disabled){border-color:transparent;background:var(--control-neutral-hover);color:var(--text-primary)}.teacher-button--weak:active:not(:disabled),.teacher-icon-button.teacher-button--weak:active:not(:disabled),.teacher-button--secondary:active:not(:disabled),.teacher-icon-button.teacher-button--secondary:active:not(:disabled),.teacher-filter-button:active:not(:disabled){border-color:transparent;background:var(--control-neutral-active);color:var(--text-primary)}.teacher-button--primary:hover:not(:disabled),.teacher-icon-button.teacher-button--primary:hover:not(:disabled){border-color:transparent;background:var(--primary-hover)}.teacher-button--primary:active:not(:disabled),.teacher-icon-button.teacher-button--primary:active:not(:disabled){background:var(--primary-active)}.teacher-button--danger:hover:not(:disabled),.teacher-icon-button.teacher-button--danger:hover:not(:disabled),.teacher-button--danger:active:not(:disabled),.teacher-icon-button.teacher-button--danger:active:not(:disabled){border-color:transparent;background:var(--error-container);color:var(--error-container-foreground)}.teacher-field{min-width:0;border:1px solid var(--border-input);outline:0;background:var(--surface-hover);color:var(--text-secondary);font-weight:400}.teacher-search-field{display:flex;align-items:center;gap:9px;width:100%;padding:0 14px}.teacher-search-field__icon{width:14px;height:14px;flex-shrink:0;color:var(--text-placeholder)}.teacher-field__input{min-width:0;width:100%;height:100%;padding:0;border:0;outline:0;background:transparent;color:var(--text-primary);font:inherit}.teacher-field__input::placeholder{color:var(--text-placeholder)}.teacher-select{position:relative;min-width:0;border:1px solid var(--border-input);background:var(--surface-hover);color:var(--text-tertiary)}.teacher-select__native{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.teacher-select__trigger{width:100%;height:100%;padding:0 14px;display:flex;align-items:center;justify-content:space-between;gap:8px;border:0;border-radius:inherit;outline:0;background:transparent;color:inherit;cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:400;white-space:nowrap}.teacher-select__trigger>span{min-width:0;overflow:hidden;text-overflow:ellipsis}.teacher-select__trigger>svg{flex-shrink:0}.teacher-select--active{border-color:transparent;background:var(--primary-container);color:var(--primary-container-foreground)}.teacher-select--home-parameter,.teacher-select--home-parameter.teacher-select--active{width:auto;height:34px;border:0;border-radius:var(--home-parameter-radius);background:var(--home-tonal-surface);color:var(--text-secondary)}.teacher-select--home-parameter .teacher-select__trigger{gap:6px;padding:0 10px 0 12px;font-size:13px}.teacher-select--home-parameter .teacher-select__trigger>svg{width:14px;height:14px}.teacher-select--home-parameter .teacher-select__menu{min-width:max(100%,104px);border:0;border-radius:var(--home-popover-radius);box-shadow:var(--home-popover-shadow)}.teacher-select__menu{position:absolute;z-index:40;top:calc(100% + 6px);left:0;min-width:100%;max-height:260px;padding:5px;overflow-y:auto;border:1px solid var(--border-hairline);border-radius:var(--teacher-radius-12);background:var(--surface-card);box-shadow:var(--shadow-overlay)}.teacher-select__menu button{width:100%;height:32px;padding:0 10px;border:0;border-radius:var(--teacher-radius-10);background:transparent;color:var(--text-tertiary);cursor:pointer;font-family:inherit;font-size:12px;text-align:left;white-space:nowrap}.teacher-select__menu button:hover:not(:disabled),.teacher-select__menu button:focus-visible{outline:0;background:var(--surface-hover);color:var(--text-primary);box-shadow:var(--focus-row)}.teacher-select__menu button[aria-selected=true],.teacher-select__menu button[aria-selected=true]:hover:not(:disabled),.teacher-select__menu button[aria-selected=true]:focus-visible{background:var(--primary-container);color:var(--primary-container-foreground)}.teacher-filter-button{padding:0 14px;gap:8px;border-color:transparent;background:var(--control-neutral-bg);color:var(--text-secondary);font-size:12.5px;font-weight:400}.teacher-filter-button--active{border-color:transparent;background:var(--primary-container);color:var(--primary-container-foreground);font-weight:600}.teacher-filter-button__check{width:13px;height:13px;flex:0 0 auto}.teacher-filter-button--active:hover:not(:disabled),.teacher-filter-button--active:active:not(:disabled){border-color:transparent;background:var(--primary-container);color:var(--primary-container-foreground)}.teacher-icon-button[aria-current=page]:not(:disabled),.teacher-icon-button[aria-current=page]:hover:not(:disabled),.teacher-icon-button[aria-current=page]:active:not(:disabled),.teacher-button[aria-pressed=true]:not(:disabled),.teacher-icon-button[aria-pressed=true]:not(:disabled),.teacher-button[aria-expanded=true]:not(:disabled),.teacher-icon-button[aria-expanded=true]:not(:disabled),.teacher-button[aria-pressed=true]:hover:not(:disabled),.teacher-icon-button[aria-pressed=true]:hover:not(:disabled),.teacher-button[aria-expanded=true]:hover:not(:disabled),.teacher-icon-button[aria-expanded=true]:hover:not(:disabled),.teacher-button[aria-pressed=true]:active:not(:disabled),.teacher-icon-button[aria-pressed=true]:active:not(:disabled),.teacher-button[aria-expanded=true]:active:not(:disabled),.teacher-icon-button[aria-expanded=true]:active:not(:disabled){border-color:transparent;background:var(--primary-container);color:var(--primary-container-foreground)}.teacher-button:focus-visible,.teacher-icon-button:focus-visible,.teacher-filter-button:focus-visible{outline:none;box-shadow:var(--focus-row)}.teacher-search-field:focus-within,.teacher-select--open,.teacher-select:has(.teacher-select__trigger:focus-visible){border-color:transparent;outline:none;box-shadow:var(--focus-input)}.teacher-button:disabled,.teacher-icon-button:disabled,.teacher-filter-button:disabled,.teacher-field:has(:disabled),.teacher-select:has(.teacher-select__trigger:disabled),.teacher-select__menu button:disabled{border-color:transparent;background:var(--surface-disabled);color:var(--text-disabled);box-shadow:none;cursor:default;filter:none;opacity:1}.teacher-field:has(:disabled) .teacher-field__input,.teacher-field:has(:disabled) .teacher-search-field__icon,.teacher-select__trigger:disabled{color:var(--text-disabled);cursor:default;opacity:1;-webkit-text-fill-color:var(--text-disabled)}.teacher-field:has(:disabled) .teacher-field__input::placeholder{color:var(--text-disabled)}.teacher-button[aria-busy=true]{border-color:transparent;background:var(--primary-container);color:var(--primary-container-foreground);opacity:1}.teacher-status-tag{min-height:22px;box-sizing:border-box;display:inline-flex;align-items:center;gap:5px;padding:2px 8px;border:1px solid transparent;border-radius:var(--teacher-radius-6);background:var(--neutral-container);color:var(--neutral-container-foreground);font-size:11.5px;font-weight:600;line-height:1.25;white-space:nowrap}.teacher-status-tag--success{border-color:transparent;background:var(--primary-container);color:var(--primary-container-foreground)}.teacher-status-tag--warning{border-color:transparent;background:var(--tertiary-container);color:var(--tertiary-container-foreground)}.teacher-status-tag--danger{border-color:transparent;background:var(--error-container);color:var(--error-container-foreground)}.teacher-status-tag--info{border-color:transparent;background:var(--neutral-container);color:var(--neutral-container-foreground)}.teacher-button--card-action{width:var(--teacher-card-action-width);flex-shrink:0}.teacher-filter-button--course{border-radius:var(--teacher-course-filter-radius);padding-inline:22px;font-size:var(--teacher-control-default-font-size);white-space:normal;height:auto;min-height:var(--teacher-control-default-height);overflow-wrap:anywhere}.teacher-filter-button--course:not(.teacher-filter-button--active):not(:disabled){border-color:transparent;background:transparent;color:var(--text-secondary)}.teacher-filter-button--course:not(.teacher-filter-button--active):hover:not(:disabled){background:var(--surface-container);color:var(--text-primary)}.teacher-choice-group{display:flex;align-items:start;gap:18px}.teacher-choice-group__label{flex:0 0 40px;line-height:var(--teacher-control-default-height);color:var(--text-tertiary);font-size:var(--teacher-control-default-font-size)}.teacher-choice-group__options{min-width:0;display:flex;flex-wrap:wrap;gap:8px 12px}.teacher-choice-group__empty{color:var(--text-tertiary);line-height:var(--teacher-control-default-height);font-size:var(--teacher-control-default-font-size)}.teacher-input,.teacher-textarea{box-sizing:border-box;border:1px solid var(--border-input);background:var(--surface-input);color:var(--text-primary);padding:8px 10px;outline:none;width:100%;font-family:inherit;font-weight:400}.teacher-textarea{height:auto;resize:vertical;line-height:1.65}.teacher-input:focus-visible,.teacher-textarea:focus-visible{box-shadow:var(--focus-input)}.teacher-input::placeholder,.teacher-textarea::placeholder{color:var(--text-placeholder)}.teacher-input:disabled,.teacher-textarea:disabled{background:var(--surface-disabled);color:var(--text-disabled);cursor:not-allowed}.teacher-checkbox{display:inline-flex;align-items:center;gap:8px;color:var(--text-primary);font-size:13px;cursor:pointer}.teacher-checkbox input{accent-color:var(--primary)}.teacher-checkbox:has(:disabled){color:var(--text-disabled);cursor:not-allowed}.teacher-checkbox input:focus-visible{outline:none;box-shadow:var(--focus-input)}.teacher-switch{display:inline-flex;align-items:center;gap:8px;min-height:var(--teacher-control-default-height);color:var(--text-secondary);cursor:pointer;font-size:var(--teacher-control-default-font-size);font-weight:500;white-space:nowrap}.teacher-switch__input{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}.teacher-switch__track{box-sizing:border-box;display:inline-flex;align-items:center;flex:0 0 var(--teacher-switch-track-width);width:var(--teacher-switch-track-width);height:var(--teacher-switch-track-height);padding:var(--teacher-switch-inset);border-radius:var(--teacher-switch-radius);background:var(--surface-container);transition:background-color .16s ease,box-shadow .16s ease}.teacher-switch__thumb{flex:0 0 var(--teacher-switch-thumb-size);width:var(--teacher-switch-thumb-size);height:var(--teacher-switch-thumb-size);border-radius:var(--teacher-switch-radius);background:var(--text-secondary);transition:transform .16s ease,background-color .16s ease}.teacher-switch__input:checked+.teacher-switch__track{background:var(--primary-container-foreground)}.teacher-switch__input:checked+.teacher-switch__track .teacher-switch__thumb{transform:translate(var(--teacher-switch-travel));background:var(--surface-paper)}.teacher-switch__input:focus-visible+.teacher-switch__track{box-shadow:var(--focus-input)}.teacher-switch:has(.teacher-switch__input:disabled){color:var(--text-disabled);cursor:not-allowed}.teacher-switch__input:disabled+.teacher-switch__track{background:var(--surface-disabled)}.teacher-switch__input:disabled+.teacher-switch__track .teacher-switch__thumb{background:var(--text-disabled)}/*! tailwindcss v4.1.12 | MIT License | https://tailwindcss.com */@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-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--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;--tw-ease:initial;--tw-animation-delay:0s;--tw-animation-direction:normal;--tw-animation-duration:initial;--tw-animation-fill-mode:none;--tw-animation-iteration-count:1;--tw-enter-blur:0;--tw-enter-opacity:1;--tw-enter-rotate:0;--tw-enter-scale:1;--tw-enter-translate-x:0;--tw-enter-translate-y:0;--tw-exit-blur:0;--tw-exit-opacity:1;--tw-exit-rotate:0;--tw-exit-scale:1;--tw-exit-translate-x:0;--tw-exit-translate-y:0}}}:root,.teacher-theme-root[data-theme=dark],.teacher-ui[data-theme=dark],.exercise-ui[data-theme=dark],.teacher-toaster[data-theme=dark],.teacher-toaster[data-sonner-theme=dark]{--bg-top:#0e1216;--bg-bottom:#12181d;--bg-gradient:linear-gradient(180deg,#0e1216 0%,#12181d 100%);--surface-content:#12181d;--surface-card:#161b22c7;--surface-glass:var(--surface-card);--surface-inset:#00000024;--surface-input:#ffffff0a;--surface-hover:#ffffff08;--surface-container:#ffffff0f;--control-neutral-bg:#2d3b43;--control-neutral-hover:#3c4951;--control-neutral-active:#404d55;--surface-paper-tray:#0b0f12;--surface-disabled:#ffffff05;--surface-paper:#fff;--surface-scrim:#06090c9e;--surface-skeleton:#ffffff0d;--surface-inverse:#101614;--surface-inverse-action:#ffffff24;--text-primary:#e8edf2;--text-secondary:#a0b1c5;--text-tertiary:#5a6a7e;--text-placeholder:#4a6070;--text-disabled:#4a6070;--text-muted:#8a99ab;--text-dim:#4a6070;--text-weak:var(--text-tertiary);--text-on-teal:#0a0f12;--text-inverse:#fff;--teal:#2dd4a7;--teal-deep:#1d9e75;--teal-gradient:linear-gradient(135deg,#2dd4a7,#1aab88);--amber:#f59e0b;--danger:#f87171;--primary:#2dd4a7;--primary-hover:#25be95;--primary-active:#1fa983;--primary-foreground:#0a0f12;--brand-ornament-color:var(--primary);--primary-container:#2dd4a724;--primary-container-foreground:#2dd4a7;--tertiary-container:#f59e0b24;--tertiary-container-foreground:#f0b65b;--error-container:#f871711a;--error-container-foreground:#f87171;--neutral-container:#ffffff0a;--neutral-container-foreground:#a0b1c5;--edit-container:var(--primary-container);--edit-container-foreground:var(--primary-container-foreground);--warn-graphic:#f59e0b;--teal-a08:#2dd4a714;--teal-a12:#2dd4a71f;--teal-a22:#2dd4a738;--teal-a35:#2dd4a759;--border-hairline:#ffffff12;--border-faint:#ffffff0a;--border-soft:#ffffff0f;--border-input:#ffffff1a;--status-completed-bg:var(--primary-container);--status-completed-fg:var(--primary-container-foreground);--status-incomplete-bg:#5a6a7e1f;--status-incomplete-fg:#5a6a7e;--status-stuck-bg:var(--tertiary-container);--status-stuck-fg:var(--tertiary-container-foreground);--shadow-card:inset 0 1px 0 #ffffff0d,0 4px 32px #00000073;--shadow-card-edit:inset 0 1px 0 #ffffff0d,0 4px 32px #00000073,0 0 28px #2dd4a71a;--shadow-overlay:0 14px 34px #0000006b;--shadow-paper:0 2px 4px #00000038,0 16px 32px -18px #0000008c;--focus-input:0 0 0 2px #2dd4a7;--focus-row:inset 0 0 0 2px #e8edf2;--focus-nav:inset 0 0 0 1px #e8edf2;--focus-danger:0 0 0 2px #f87171;--focus-inverse:0 0 0 2px #fff;--card-border:1px solid #ffffff12;--card-warm-border:1px solid #f59e0b47;--card-edit-border:1px solid #2dd4a757;--inset-border:1px solid #ffffff0b;--card-backdrop-filter:blur(16px);--home-fog-background:radial-gradient(ellipse at center,#2dd4a726 0%,#2dd4a711 26%,#2dd4a704 46%,#2dd4a700 66%);--home-center-light-background:transparent;--home-composer-surface:#ffffff0e;--home-composer-surface-focus:#ffffff13;--home-tonal-surface:#ffffff12;--home-row-hover:#ffffff0d;--home-composer-shadow-rest:0 10px 34px #0003;--home-composer-shadow-hover:0 12px 38px #0000003b;--home-composer-shadow-focus:0 14px 44px #00000042;--home-send-shadow:0 4px 16px #2dd4a747;--home-popover-shadow:0 16px 48px #00000080;--home-composer-backdrop-filter:blur(28px)saturate(140%)}.teacher-theme-root[data-theme=light],.teacher-ui[data-theme=light],.exercise-ui[data-theme=light],.teacher-toaster[data-theme=light],.teacher-toaster[data-sonner-theme=light]{--bg-top:#f2f6f4;--bg-bottom:#f2f6f4;--bg-gradient:#f2f6f4;--surface-content:#f2f6f4;--surface-card:#fff;--surface-glass:#fff;--surface-inset:#f1f6f4;--surface-input:#eaf1ee;--surface-hover:#eaf1ee;--surface-container:#e2ebe7;--control-neutral-bg:#d5e0db;--control-neutral-hover:#c9d4cf;--control-neutral-active:#c6d1cc;--surface-paper-tray:#d8e3df;--surface-disabled:#eff2f1;--surface-paper:#fff;--surface-scrim:#1016146b;--surface-skeleton:#eaf1ee;--surface-inverse:#101614;--surface-inverse-action:#ffffff24;--text-primary:#101a17;--text-secondary:#3d4c47;--text-tertiary:#8a9a94;--text-placeholder:#97a5a0;--text-disabled:#a3b0ab;--text-muted:#5c6c67;--text-dim:#97a5a0;--text-weak:var(--text-tertiary);--text-on-teal:#04231c;--text-inverse:#fff;--teal:#2dd4a7;--teal-deep:#1fa983;--teal-gradient:#2dd4a7;--amber:#e8a33c;--danger:#b3251c;--primary:#2dd4a7;--primary-hover:#25be95;--primary-active:#1fa983;--primary-foreground:#04231c;--brand-ornament-color:transparent;--primary-container:#dff6ee;--primary-container-foreground:#12756a;--tertiary-container:#fbeeda;--tertiary-container-foreground:#8a5a08;--error-container:#ffdad5;--error-container-foreground:#5c1410;--neutral-container:#eaf1ee;--neutral-container-foreground:#3d4c47;--edit-container:var(--primary-container);--edit-container-foreground:var(--primary-container-foreground);--warn-graphic:#e8a33c;--teal-a08:var(--primary-container);--teal-a12:var(--primary-container);--teal-a22:var(--primary-container);--teal-a35:var(--primary-container);--border-hairline:transparent;--border-faint:transparent;--border-soft:transparent;--border-input:transparent;--status-completed-bg:var(--primary-container);--status-completed-fg:var(--primary-container-foreground);--status-incomplete-bg:#eaf1ee;--status-incomplete-fg:var(--neutral-container-foreground);--status-stuck-bg:var(--tertiary-container);--status-stuck-fg:var(--tertiary-container-foreground);--shadow-card:none;--shadow-card-edit:none;--shadow-overlay:0 24px 56px -20px #10161452,0 2px 6px #1016140f;--shadow-paper:0 2px 4px #1016141a,0 16px 32px -18px #10161447;--focus-input:0 0 0 2px #2dd4a7;--focus-row:inset 0 0 0 2px #101614;--focus-nav:inset 0 0 0 1px #101614;--focus-danger:0 0 0 2px #b3251c;--focus-inverse:0 0 0 2px #fff;--card-border:1px solid transparent;--card-warm-border:1px solid transparent;--card-edit-border:1px solid transparent;--inset-border:1px solid transparent;--card-backdrop-filter:none;--home-fog-background:radial-gradient(ellipse at center,#2dd4a738 0%,#2dd4a71a 24%,#2dd4a708 44%,#2dd4a700 64%);--home-center-light-background:radial-gradient(ellipse at center,#fffc 0%,#fff0 62%);--home-composer-surface:#fff;--home-composer-surface-focus:#fff;--home-tonal-surface:#eff3f1;--home-row-hover:#ffffffdb;--home-composer-shadow-rest:0 1px 2px #1028220d,0 10px 28px #10282212,0 30px 70px #10282217;--home-composer-shadow-hover:0 1px 2px #1028220d,0 14px 34px #10282217,0 36px 80px #1028221c;--home-composer-shadow-focus:0 1px 2px #1028220d,0 16px 40px #1028221a,0 40px 90px #1028221f;--home-send-shadow:0 4px 14px #2dd4a752;--home-popover-shadow:0 1px 2px #1028220f,0 12px 32px #1028221a,0 32px 72px #1028221f;--home-composer-backdrop-filter:none}.teacher-theme-root[data-theme=dark],.teacher-ui[data-theme=dark],.exercise-ui[data-theme=dark]{color-scheme:dark}.teacher-theme-root[data-theme=light],.teacher-ui[data-theme=light],.exercise-ui[data-theme=light]{color-scheme:light}@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;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--font-weight-normal:400;--font-weight-medium:500;--ease-in-out:cubic-bezier(.4,0,.2,1);--animate-spin:spin 1s linear infinite;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4,0,.2,1);--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%;-moz-tab-size:4;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;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]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}*{border-color:var(--border);outline-color:var(--ring)}@supports (color:color-mix(in lab,red,red)){*{outline-color:color-mix(in oklab,var(--ring)50%,transparent)}}body{background-color:var(--background);color:var(--foreground)}html{font-size:var(--font-size)}h1{font-size:var(--text-2xl);font-weight:var(--font-weight-medium);line-height:1.5}h2{font-size:var(--text-xl);font-weight:var(--font-weight-medium);line-height:1.5}h3{font-size:var(--text-lg);font-weight:var(--font-weight-medium);line-height:1.5}h4,label,button{font-size:var(--text-base);font-weight:var(--font-weight-medium);line-height:1.5}input{font-size:var(--text-base);font-weight:var(--font-weight-normal);line-height:1.5}}@layer components;@layer utilities{.collapse{visibility:collapse}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.table{display:table}.transform{transform:var(--tw-rotate-x,)var(--tw-rotate-y,)var(--tw-rotate-z,)var(--tw-skew-x,)var(--tw-skew-y,)}.animate-spin{animation:var(--animate-spin)}.resize{resize:both}.flex-wrap{flex-wrap:wrap}.border{border-style:var(--tw-border-style);border-width:1px}.uppercase{text-transform:uppercase}.tabular-nums{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,)var(--tw-slashed-zero,)var(--tw-numeric-figure,)var(--tw-numeric-spacing,)var(--tw-numeric-fraction,)}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a),0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.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,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,visibility,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.ease-in-out{--tw-ease:var(--ease-in-out);transition-timing-function:var(--ease-in-out)}.running{animation-play-state:running}}@property --tw-animation-delay{syntax:"*";inherits:false;initial-value:0s}@property --tw-animation-direction{syntax:"*";inherits:false;initial-value:normal}@property --tw-animation-duration{syntax:"*";inherits:false}@property --tw-animation-fill-mode{syntax:"*";inherits:false;initial-value:none}@property --tw-animation-iteration-count{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-blur{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-opacity{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-rotate{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-scale{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-blur{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-opacity{syntax:"*";inherits:false;initial-value:1}@property --tw-exit-rotate{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-scale{syntax:"*";inherits:false;initial-value:1}@property --tw-exit-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-translate-y{syntax:"*";inherits:false;initial-value:0}:root{--font-size:16px;--mobi-font-sans:"Noto Sans SC","Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mobi-font-mono:"DM Mono","SFMono-Regular",Consolas,monospace;--mobi-text-primary:var(--text-primary);--mobi-text-secondary:var(--text-secondary);--mobi-text-supporting:var(--text-tertiary);--mobi-text-muted:var(--text-weak);--mobi-text-dim:var(--text-muted);--mobi-text-placeholder:var(--text-dim);--mobi-teal:var(--teal);--mobi-amber:var(--amber);--mobi-danger:var(--danger);--mobi-border-subtle:var(--border-soft);--mobi-border-default:var(--border-hairline);--mobi-border-strong:var(--border-input);--teacher-list-primary-min-width:160px;--teacher-metadata-gap:8px;--teacher-reading-module-gap:16px;--teacher-reading-section-gap:10px;--teacher-reading-paragraph-gap:2px;--teacher-reading-title-gap:4px;--teacher-reading-content-indent:12px;--teacher-reading-label-gap:6px;--teacher-reading-score-gap:6px;--teacher-list-action-width:92px;--teacher-card-action-width:96px;--teacher-control-micro-height:28px;--teacher-control-compact-height:30px;--teacher-control-default-height:36px;--teacher-control-large-height:40px;--teacher-switch-track-width:36px;--teacher-switch-track-height:20px;--teacher-switch-thumb-size:14px;--teacher-switch-inset:3px;--teacher-switch-travel:16px;--teacher-switch-radius:999px;--teacher-radius-6:6px;--teacher-radius-8:8px;--teacher-radius-9:9px;--teacher-radius-10:10px;--teacher-radius-12:12px;--teacher-radius-16:16px;--teacher-radius-20:20px;--teacher-radius-round:50%;--teacher-radius-skeleton-line:999px;--teacher-radius-progress-line:999px;--teacher-nav-state-radius:999px;--teacher-course-filter-radius:999px;--home-composer-radius-rest:34px;--home-composer-radius-open:26px;--home-send-radius:22px;--home-parameter-radius:17px;--home-starter-radius:16px;--home-list-row-radius:14px;--home-popover-radius:14px;--home-sidebar-toggle-radius:8px;--teacher-control-micro-radius:var(--teacher-radius-8);--teacher-control-compact-radius:var(--teacher-radius-9);--teacher-control-default-radius:var(--teacher-radius-10);--teacher-control-large-radius:var(--teacher-radius-12);--teacher-control-micro-font-size:12px;--teacher-control-compact-font-size:12.5px;--teacher-control-default-font-size:13px;--teacher-control-large-font-size:13px;--teacher-grading-divider-width:6px;--teacher-grading-heading-marker-width:3px;--teacher-grading-heading-marker-height:14px;--background:var(--surface-content);--foreground:var(--text-primary);--card:var(--surface-card);--card-foreground:var(--text-primary);--popover:var(--surface-card);--popover-foreground:var(--text-primary);--secondary:var(--surface-container);--secondary-foreground:var(--text-secondary);--muted:var(--surface-inset);--muted-foreground:var(--text-tertiary);--accent:var(--primary-container);--accent-foreground:var(--primary-container-foreground);--destructive:var(--danger);--destructive-foreground:var(--error-container-foreground);--border:var(--border-hairline);--input:transparent;--input-background:#f3f3f5;--switch-background:#cbced4;--font-weight-medium:500;--font-weight-normal:400;--ring:var(--primary);--chart-1:var(--primary);--chart-2:var(--primary-container-foreground);--chart-3:var(--warn-graphic);--chart-4:var(--text-tertiary);--chart-5:var(--surface-container);--radius:.625rem;--sidebar:oklch(98.5% 0 0);--sidebar-foreground:oklch(14.5% 0 0);--sidebar-primary:#030213;--sidebar-primary-foreground:oklch(98.5% 0 0);--sidebar-accent:oklch(97% 0 0);--sidebar-accent-foreground:oklch(20.5% 0 0);--sidebar-border:oklch(92.2% 0 0);--sidebar-ring:oklch(70.8% 0 0)}.teacher-ui,.exercise-ui{--mobi-text-primary:var(--text-primary);--mobi-text-secondary:var(--text-secondary);--mobi-text-supporting:var(--text-tertiary);--mobi-text-muted:var(--text-weak);--mobi-text-dim:var(--text-muted);--mobi-text-placeholder:var(--text-dim);--mobi-teal:var(--teal);--mobi-amber:var(--amber);--mobi-danger:var(--danger);--mobi-border-subtle:var(--border-soft);--mobi-border-default:var(--border-hairline);--mobi-border-strong:var(--border-input);--background:var(--surface-content);--foreground:var(--text-primary);--card:var(--surface-card);--card-foreground:var(--text-primary);--popover:var(--surface-card);--popover-foreground:var(--text-primary);--secondary:var(--surface-container);--secondary-foreground:var(--text-secondary);--muted:var(--surface-inset);--muted-foreground:var(--text-tertiary);--accent:var(--primary-container);--accent-foreground:var(--primary-container-foreground);--destructive:var(--danger);--destructive-foreground:var(--error-container-foreground);--border:var(--border-hairline);--input:var(--border-input);--input-background:var(--surface-input);--switch-background:var(--surface-container);--ring:var(--primary);--chart-1:var(--primary);--chart-2:var(--primary-container-foreground);--chart-3:var(--warn-graphic);--chart-4:var(--text-tertiary);--chart-5:var(--surface-container);--sidebar:var(--surface-content);--sidebar-foreground:var(--text-primary);--sidebar-primary:var(--primary);--sidebar-primary-foreground:var(--primary-foreground);--sidebar-accent:var(--surface-hover);--sidebar-accent-foreground:var(--text-secondary);--sidebar-border:var(--border-hairline);--sidebar-ring:var(--primary);color:var(--text-primary);font-family:var(--mobi-font-sans);font-synthesis:none}.teacher-ui :where(button,input,select,textarea),.exercise-ui :where(button,input,select,textarea){font-family:inherit}.teacher-mono,.exercise-mono{font-family:var(--mobi-font-mono);font-variant-numeric:tabular-nums}.teacher-ui .question-math>.katex,.teacher-ui .question-math>.katex-display>.katex,.exercise-ui .question-math>.katex,.exercise-ui .question-math>.katex-display>.katex{font-size:1em}.teacher-ui .question-math--reading>.katex,.teacher-ui .question-math--reading>.katex-display>.katex,.exercise-ui .question-math--reading>.katex,.exercise-ui .question-math--reading>.katex-display>.katex{font-size:1.08em}.question-number{font:inherit;white-space:nowrap}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@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}@property --tw-ease{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}