@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}:root{color:#1f2933;background:#f5f6f7;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.45}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled,textarea:disabled,input:disabled{cursor:not-allowed;opacity:.62}h1,h2,h3,p{margin-top:0}h1{margin-bottom:0;font-size:2rem;line-height:1.15}h2{margin-bottom:.75rem;font-size:1.08rem}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:1rem;height:56px;padding:0 1rem;border-bottom:1px solid #d9dee5;background:#fff}.brand,.topnav a,.user-menu,.back-link,.achievement,.section-heading,.chat-composer,.table-head span,.primary-button,.secondary-button,.danger-button{display:flex;align-items:center}.brand{gap:.5rem;font-weight:700;white-space:nowrap}.topnav{display:flex;gap:1rem;margin-left:1rem}.topnav a{height:36px;padding:0 .75rem;border-radius:6px;color:#364152}.topnav a:hover{background:#eef2f6}.user-menu{gap:.5rem;margin-left:auto}.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);min-height:calc(100vh - 56px)}.sidebar{position:sticky;top:56px;align-self:start;height:calc(100vh - 56px);border-right:1px solid #d9dee5;background:#fff;overflow-y:auto;overscroll-behavior:contain}.content{min-width:0;padding:1.25rem}.content-lecture{padding:0}.page-panel{width:min(1120px,100%);margin:0 auto;padding:1.25rem;border:1px solid #d9dee5;border-radius:8px;background:#fff}.stack{display:grid;gap:1.25rem}.section-heading{justify-content:space-between;gap:1rem;padding-bottom:.85rem;border-bottom:1px solid #e5e7eb}.eyebrow{margin-bottom:.25rem;color:#637083;font-size:.78rem;font-weight:700;text-transform:uppercase}.status-row{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}.curriculum-nav{display:grid;gap:.35rem;padding:.85rem}.nav-toggle{display:flex;align-items:center;width:100%;min-height:34px;border:0;border-radius:6px;background:transparent;color:#2f3a4a;text-align:left}.nav-toggle:hover{background:#eef2f6}.level-toggle{gap:.45rem;font-weight:700}.topic-toggle{gap:.35rem;padding-left:1.2rem;font-size:.94rem}.subtopic-list{display:grid;gap:.25rem;margin:.25rem 0 .5rem}.subtopic-link{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.45rem;align-items:center;min-height:38px;padding:.4rem .45rem .4rem 2.25rem;border-radius:6px;color:#364152;font-size:.9rem}.subtopic-link.active,.subtopic-link:hover{background:#e8f3f1;color:#0f4c45}.nav-status{min-width:88px}.status-badge{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:.18rem .5rem;border:1px solid #cad2dc;border-radius:999px;background:#f8fafc;color:#364152;font-size:.76rem;font-weight:700;text-transform:capitalize;white-space:nowrap}.status-completed,.status-correct,.status-understood,.status-released,.status-solved_right_idea,.status-high{border-color:#a7d7bf;background:#e8f6ef;color:#17633c}.status-started,.status-processing,.status-active,.status-running,.status-queued,.status-completed_with_gaps,.status-needs_review,.status-discussion_needed,.status-discussion_started,.status-correct_handwavy,.status-medium{border-color:#f3d48b;background:#fff7df;color:#73510f}.status-incorrect,.status-failed,.status-incorrect_or_unsolved,.status-low{border-color:#f0b0a5;background:#fff0ee;color:#8d2b1f}.status-locked,.status-not_started,.status-not_submitted,.status-uploaded,.status-draft,.status-unknown{border-color:#cbd5e1;background:#f1f5f9;color:#475569}.simulation-launch{grid-template-columns:minmax(210px,.55fr) minmax(420px,1.45fr) auto;align-items:end}.simulation-launch>div:first-child{grid-column:1 / -1}.simulation-launch label{display:grid;gap:.35rem;color:#364152;font-weight:700}.simulation-persona-prompt textarea{width:100%;min-height:6.5rem;resize:vertical}.simulation-grid{display:grid;grid-template-columns:minmax(230px,.3fr) minmax(0,1fr);gap:1rem;align-items:start}.simulation-run-list{position:sticky;top:72px;display:grid;gap:.55rem;max-height:calc(100vh - 92px);overflow-y:auto}.simulation-run-list>button{display:grid;gap:.35rem;width:100%;padding:.75rem;border:1px solid #d9dee5;border-radius:8px;background:#fff;color:#263241;text-align:left}.simulation-run-list>button:hover,.simulation-run-list>button.active{border-color:#73b9ad;background:#f0f8f6}.simulation-run-list>button>span:first-child,.simulation-detail-header,.simulation-detail-header .status-row,.simulation-discussion>header,.simulation-message>header{display:flex;align-items:center}.simulation-run-list>button>span:first-child{gap:.4rem}.simulation-detail{display:grid;gap:1rem;min-width:0}.simulation-persona-summary{max-width:72ch;margin:.45rem 0 0;color:#46566a}.simulation-detail-header,.simulation-discussion>header{justify-content:space-between;gap:1rem}.simulation-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.65rem}.simulation-stats span{display:grid;gap:.1rem;padding:.65rem .75rem;border:1px solid #d9dee5;border-radius:8px;background:#fbfcfd;color:#637083;font-size:.82rem}.simulation-stats strong{color:#173f3a;font-size:1.15rem}.simulation-view-tabs{display:flex;gap:.35rem;overflow-x:auto;border-bottom:1px solid #d9dee5}.simulation-view-tabs button{padding:.65rem .8rem;border:0;border-bottom:3px solid transparent;background:transparent;color:#526174;font-weight:700;text-transform:capitalize}.simulation-view-tabs button.active{border-color:#0f766e;color:#0f625b}.simulation-transcript,.simulation-homework-list{display:grid;gap:.8rem}.simulation-message{display:grid;gap:.35rem;padding:.8rem 1rem;border-left:4px solid #6bb4a8;background:#eff7f5}.simulation-message-user{width:min(86%,900px);margin-left:auto;border:1px solid #b8d9eb;border-left-width:1px;border-radius:10px;background:#eef7fc}.simulation-message.is-hidden{opacity:.65;border-style:dashed}.simulation-message>header{flex-wrap:wrap;gap:.55rem;color:#617084;font-size:.76rem;text-transform:uppercase}.simulation-mistake{padding:.15rem .4rem;border-radius:999px;background:#fff1dd;color:#805319;font-size:.68rem;font-weight:700}.simulation-feedback{padding:.75rem;border-left:3px solid #6bb4a8;background:#f1f8f6}.simulation-student-work{padding:.75rem;border:1px solid #dbe3ec;border-radius:6px;background:#fff}.simulation-discussion{display:grid;gap:.75rem;padding:1rem;border:1px solid #d9dee5;border-radius:8px}.simulation-events{display:grid;gap:0;margin:0;padding:0;list-style:none}.simulation-events li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:.7rem;padding:.65rem 0;border-bottom:1px solid #e5e7eb}.simulation-events li>span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#dff1ed;color:#0f625b;font-weight:700}.simulation-events li>div{display:grid;gap:.2rem}.primary-button,.secondary-button,.danger-button,.link-button{justify-content:center;gap:.45rem;min-height:40px;padding:0 .8rem;border-radius:6px;font-weight:700}.primary-button{border:1px solid #0f766e;background:#0f766e;color:#fff}.primary-button:hover{background:#115e59}.secondary-button{border:1px solid #cbd5e1;background:#fff;color:#27364a}.secondary-button:hover{background:#f1f5f9}.danger-button{border:1px solid #b42318;background:#fff;color:#b42318}.danger-button:hover{background:#fef3f2}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid #d9dee5;border-radius:6px;background:#fff}.mobile-only{display:none}.action-grid,.homework-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.workflow-panel,.report-item,.stat{border:1px solid #d9dee5;border-radius:8px;background:#fbfcfd}.workflow-panel{display:grid;gap:.85rem;align-content:start;padding:1rem}.reset-progress-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:center;padding:1rem;border:1px solid #f0b4ad;border-radius:8px;background:snow}.reset-progress-panel h2,.reset-progress-panel p{margin-bottom:0}.reset-progress-panel .error-state{grid-column:1 / -1}.markdown-math{color:#263241}.markdown-math>:last-child{margin-bottom:0}.markdown-math .katex-display{overflow-x:auto;overflow-y:hidden;padding:.2rem 0}.markdown-math blockquote{margin:.65rem 0;padding:.75rem .85rem;border:1px solid #b8d6cd;border-left:4px solid #0f766e;border-radius:6px;background:#fff;color:#1f2933}.markdown-math blockquote>:last-child{margin-bottom:0}.muted{color:#637083}.achievement{gap:.5rem;margin:0;color:#17633c;font-weight:700}.problem-list{display:grid;gap:.5rem}.problem-list.compact{gap:.4rem}.problem-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.65rem;align-items:center;min-height:42px;padding:.55rem .7rem;border:1px solid #e5e7eb;border-radius:6px}.confidence-strip{display:grid;grid-template-columns:minmax(140px,.55fr) minmax(140px,.45fr) minmax(0,1.5fr);gap:.75rem;align-items:center;padding:.8rem;border:1px solid #d9dee5;border-radius:8px;background:#fbfcfd}.confidence-strip div{display:grid;gap:.25rem}.confidence-strip strong{font-size:1.15rem}.confidence-strip p{margin:0;color:#475569}.login-page{display:grid;min-height:100vh;place-items:center;padding:1rem;background:#eef2f6}.login-form{display:grid;gap:1rem;width:min(420px,100%);padding:1.5rem;border:1px solid #d9dee5;border-radius:8px;background:#fff}.login-form label,.filters{display:grid;gap:.4rem}input,textarea,select{width:100%;border:1px solid #cbd5e1;border-radius:6px;background:#fff;color:#1f2933}input,select{height:40px;padding:0 .65rem}textarea{min-height:86px;padding:.65rem;resize:vertical}.error-state{padding:.85rem;border:1px solid #f0b0a5;border-radius:8px;background:#fff0ee;color:#7f1d1d}.error-state p{margin-bottom:0}.back-link{gap:.35rem;width:fit-content;color:#0f766e;font-weight:700}.presented-problem{display:grid;gap:.65rem;padding:.8rem .9rem;border:1px solid #b8d6cd;border-left:4px solid #0f766e;border-radius:6px;background:#fff}.presented-problem-header{display:flex;flex-wrap:wrap;gap:.45rem;align-items:baseline;color:#0f766e;font-weight:700}.presented-problem-header strong{color:#263241}.chat-composer{gap:.75rem;align-items:stretch}.chat-composer textarea{min-height:76px}.chat-end-anchor{height:1px;scroll-margin-bottom:1rem}.conversation-panel{display:grid;gap:1rem;min-width:0}.conversation-history{display:grid;gap:1.1rem;padding:1.1rem clamp(.75rem,2vw,1.5rem);border-radius:14px;background:#f2f8f7}.student-message{display:grid;gap:.35rem;justify-self:end;width:min(760px,88%);padding:.85rem 1rem;border:1px solid #b8d6e6;border-radius:12px;background:#eff8fc}.tutor-reading-message{display:grid;gap:.45rem;width:min(900px,100%);padding:.35rem 0;color:#253243}.tutor-reading-message.is-live{border-left:3px solid #65a89e;padding-left:.85rem}.conversation-author{color:#607083;font-size:.74rem;font-weight:750;letter-spacing:.055em;text-transform:uppercase}.tutor-turn-status{display:grid;gap:.45rem;color:#526477;font-size:.9rem}.tutor-turn-status p{margin:0}.conversation-composer{position:relative;width:100%}.live-turn-controls{display:flex;flex-wrap:wrap;gap:.8rem}.text-button,.return-to-latest{width:fit-content;padding:.35rem .55rem;border:1px solid #9fc8c1;border-radius:999px;background:#fff;color:#0f625b;font-weight:650}.return-to-latest{position:sticky;bottom:1rem;justify-self:center;z-index:4;box-shadow:0 5px 18px #0f233224}@media (prefers-reduced-motion: reduce){.tutor-reading-message,.return-to-latest{scroll-behavior:auto;transition:none}}.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}.text-button:focus-visible,.return-to-latest:focus-visible,.conversation-composer textarea:focus-visible{outline:3px solid #2563eb;outline-offset:2px}.pdf-viewer{width:100%;min-height:520px;border:1px solid #d9dee5;border-radius:8px;background:#f8fafc}.pdf-empty,.upload-target{display:grid;place-items:center;min-height:140px;border:1px dashed #94a3b8;border-radius:8px;background:#f8fafc;color:#475569}.upload-target{gap:.5rem;cursor:pointer}.upload-target input{display:none}.report-list{display:grid;gap:.75rem}.report-item{display:grid;gap:.65rem;padding:.9rem}.report-item header{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.admin-page{max-width:1280px}.admin-tabs,.admin-tabs a,.button-row,.admin-list-header{display:flex;align-items:center}.admin-tabs{flex-wrap:wrap;gap:.45rem}.admin-tabs a{gap:.35rem;min-height:36px;padding:0 .7rem;border:1px solid #d9dee5;border-radius:6px;color:#364152}.admin-tabs a.active,.admin-tabs a:hover{border-color:#9ccfc6;background:#e8f3f1;color:#0f4c45}.admin-grid{display:grid;grid-template-columns:minmax(220px,.45fr) minmax(0,1fr);gap:1rem;align-items:start}.admin-list,.admin-form,.admin-section{display:grid;gap:.85rem}.admin-list-header{justify-content:space-between;gap:.75rem}.admin-list-header h2,.admin-section h2,.compact-heading h2{margin:0}.admin-row-list{display:grid;gap:.45rem}.admin-row-button{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.6rem;align-items:center;width:100%;min-height:42px;padding:.5rem .65rem;border:1px solid #d9dee5;border-radius:6px;background:#fff;color:#263241;text-align:left}.admin-row-button.active,.admin-row-button:hover{border-color:#9ccfc6;background:#f3faf8}.admin-form label{display:grid;gap:.35rem;color:#364152;font-weight:700}.prompt-editor-textarea{min-height:420px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;line-height:1.5}.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(140px,.35fr);gap:.75rem}.button-row{flex-wrap:wrap;gap:.55rem}.upload-button{position:relative}.upload-button input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.upload-button.disabled{cursor:not-allowed;opacity:.62}.admin-materials{display:grid;gap:.7rem;padding-top:.9rem;border-top:1px solid #e5e7eb}.admin-table{display:grid;border:1px solid #d9dee5;border-radius:8px;overflow:hidden}.admin-table-head,.admin-table-row{display:grid;grid-template-columns:minmax(80px,.5fr) minmax(80px,.35fr) minmax(120px,.45fr) minmax(0,1.4fr);gap:.65rem;align-items:center;min-height:42px;padding:.55rem .75rem}.admin-table-head{background:#f1f5f9;color:#475569;font-weight:700}.admin-table-row{border-top:1px solid #e5e7eb}.student-head,.student-row{grid-template-columns:minmax(140px,1fr) repeat(5,minmax(84px,.45fr)) 32px}.outcomes-head,.outcomes-row{grid-template-columns:minmax(80px,.35fr) minmax(150px,.5fr) minmax(0,1.5fr) minmax(130px,.5fr)}.materials-head,.materials-row{grid-template-columns:minmax(80px,.45fr) minmax(80px,.3fr) minmax(120px,.45fr) minmax(0,1.3fr) minmax(88px,.35fr)}.curriculum-row{grid-template-columns:minmax(160px,.8fr) minmax(120px,.35fr) minmax(140px,.45fr) minmax(120px,.45fr) minmax(0,1fr)}.download-link{width:fit-content;min-height:34px;padding:0 .65rem}.guide-review{max-width:1500px;margin:0 auto}.guide-review-actions,.guide-item header,.guide-issue header,.guide-relation{display:flex;align-items:center;gap:.65rem}.guide-review-actions{justify-content:flex-end}.guide-notice{padding:.7rem .85rem;border:1px solid #9ccfc6;border-radius:7px;background:#f3faf8}.guide-review-grid{display:grid;grid-template-columns:minmax(320px,.8fr) minmax(0,1.35fr);gap:1rem;align-items:start}.guide-source-pane{position:sticky;top:72px}.guide-source-pane .pdf-viewer{width:100%;height:calc(100vh - 150px);min-height:620px;border:1px solid #d9dee5;border-radius:8px}.latex-source-viewer{width:100%;height:calc(100vh - 150px);min-height:620px;margin:0;padding:.85rem;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid #d9dee5;border-radius:8px;background:#f8fafc;color:#263241;font:.78rem/1.45 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.guide-item-list,.guide-relation-list,.guide-issue-list{display:grid;gap:.75rem}.guide-item,.guide-relation,.guide-issue,.guide-metrics>div{padding:.85rem;border:1px solid #d9dee5;border-radius:8px;background:#fff}.guide-item.is-incomplete{border-style:dashed;background:#fffaf0}.guide-item header{align-items:flex-start}.guide-item header h3{margin:0 0 .4rem}.guide-order{display:grid;place-items:center;min-width:30px;height:30px;border-radius:50%;background:#e8f3f1;color:#0f4c45;font-weight:700}.source-chips{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.65rem}.source-chips span{padding:.2rem .45rem;border-radius:999px;background:#eef2f6;color:#475569;font-size:.78rem}.guide-relation{flex-wrap:wrap}.guide-relation p{flex-basis:100%;margin:0}.guide-issue.severity-blocking{border-left:4px solid #b42318}.guide-issue.severity-warning{border-left:4px solid #b7791f}.guide-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.55rem;margin:0}.guide-metrics dt{color:#637083;font-size:.78rem}.guide-metrics dd{margin:.25rem 0 0;font-weight:700}.admin-hierarchy{display:grid;gap:1rem}.admin-hierarchy h3{margin:0 0 .5rem;font-size:1rem}.admin-topic-block{display:grid;gap:.4rem;margin-bottom:.75rem}.filters{grid-template-columns:repeat(3,minmax(0,1fr))}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem}.stat{display:grid;gap:.15rem;padding:.8rem}.stat strong{font-size:1.4rem}.stat span{color:#637083}.problem-table{display:grid;border:1px solid #d9dee5;border-radius:8px;overflow:hidden}.lecture-layout{display:grid;grid-template-columns:minmax(270px,320px) minmax(0,1fr);align-items:start}.lecture-page{width:100%;min-height:calc(100vh - 56px);margin:0;padding:0;border:0;border-radius:0}.lecture-toolbar{position:sticky;top:56px;z-index:8;min-height:78px;padding:.7rem 1rem;background:#fffffff7;box-shadow:0 1px #e5e7eb}.lecture-toolbar h1{font-size:1.55rem}.lecture-page>.achievement,.lecture-page>.error-state{margin:.85rem 1rem 0}.lecture-guide-panel{position:fixed;top:134px;bottom:0;left:300px;z-index:7;display:grid;grid-template-rows:auto minmax(0,1fr);gap:.85rem;width:320px;max-height:none;overflow:hidden;padding:.9rem;border-right:1px solid #dbe3ec;border-bottom:1px solid #dbe3ec;background:#f8fafc}.lecture-progress-summary{display:grid;gap:.2rem;color:#334155}.lecture-progress-summary span{color:#64748b;font-size:.84rem}.lecture-plan-list{display:grid;gap:.35rem;margin:0;padding:0;list-style:none}.lecture-plan-scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.lecture-plan-scroll:focus-visible{outline:2px solid #0f766e;outline-offset:2px}.lecture-plan-item{display:grid;grid-template-columns:18px minmax(0,1fr);gap:.5rem;align-items:start;padding:.55rem;border-radius:8px;color:#64748b}.lecture-plan-item.is-current{background:#dbeafe;color:#1e3a8a}.lecture-plan-content{display:grid;gap:.15rem;min-width:0;font-weight:400}.lecture-plan-item.is-objective .lecture-plan-content{font-weight:700}.lecture-plan-content .markdown-math>:first-child,.lecture-plan-content .markdown-math>:last-child{margin-block:0}.lecture-plan-content .markdown-math{min-width:0;overflow-wrap:anywhere}.lecture-chat-column{grid-column:2;min-width:0;padding:1rem .75rem 2.5rem 1.25rem}.assignment-rationale{margin:0;padding:.8rem 1rem;border-left:4px solid #60a5fa;background:#eff6ff;color:#334155}.assignment-list{gap:.8rem}.assignment-progress{display:flex;justify-content:space-between;gap:1rem;padding:.8rem 1rem;border:1px solid #dbe3ec;border-radius:10px;background:#f8fafc}.assignment-progress span{color:#64748b}.assignment-question-card{padding:1rem;border:1px solid #dbe3ec;border-radius:12px;background:#fff}.assignment-question-card header,.assignment-question-card footer{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start}.assignment-question-card h3,.assignment-question-card p{margin-block:0}.assignment-question-card footer{display:grid;padding-top:.65rem;border-top:1px solid #e5e7eb;color:#475569;font-size:.86rem}.assignment-choices{display:grid;gap:.35rem}.assignment-upload-panel{padding:1rem;border:1px solid #dbe3ec;border-radius:12px;background:#f8fafc}.question-evaluation{display:grid;gap:.5rem;padding:.8rem;border:1px solid #cbd5e1;border-radius:9px;background:#f8fafc}.question-evaluation .markdown-math>:first-child,.question-evaluation .markdown-math>:last-child{margin-block:0}.pending-note{margin:0;color:#475569;font-size:.9rem}.bundle-manage-link{width:fit-content}.bundle-import-panel,.bundle-diagnostics,.discussion-launcher{padding:1rem;border:1px solid #dbe3ec;border-radius:12px;background:#f8fafc}.bundle-import-panel label{display:grid;gap:.35rem;max-width:320px}.bundle-list{overflow:hidden;border:1px solid #dbe3ec;border-radius:12px}.bundle-list-row{display:grid;grid-template-columns:minmax(180px,1.5fr) repeat(3,minmax(110px,auto)) auto;gap:1rem;align-items:center;padding:.9rem 1rem;border-top:1px solid #e5e7eb}.bundle-list-row:first-child{border-top:0}.bundle-list-row:hover{background:#f8fafc}.bundle-list-row>div,.bundle-document>div{display:grid;gap:.15rem}.bundle-role-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem}.bundle-role-card{padding:1rem;border:1px solid #dbe3ec;border-radius:12px;background:#fff}.bundle-role-card header,.bundle-document,.correspondence-row,.bundle-issue,.issue-resolution,.submission-file-order li,.discussion-launch-form{display:flex;gap:.75rem;align-items:center}.bundle-role-card header{justify-content:space-between}.bundle-role-card h3{margin-bottom:.15rem}.bundle-document{padding:.65rem;border:1px solid #e5e7eb;border-radius:8px}.bundle-document>div{min-width:0;margin-right:auto}.bundle-document span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bundle-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem}.bundle-metrics>div{display:grid;padding:.8rem;border-radius:9px;background:#fff}.bundle-metrics strong{font-size:1.3rem}.bundle-metrics span{color:#64748b;font-size:.82rem}.correspondence-row{flex-wrap:wrap;padding:.75rem 0;border-top:1px solid #dbe3ec}.correspondence-row strong{min-width:135px;text-transform:capitalize}.bundle-issue{align-items:flex-end;justify-content:space-between;padding:.9rem;border:1px solid #dbe3ec;border-left-width:5px;border-radius:9px}.bundle-issue.issue-blocking{border-left-color:#dc2626}.bundle-issue.issue-warning{border-left-color:#d97706}.bundle-issue.issue-info{border-left-color:#2563eb}.bundle-issue p{margin:.35rem 0 0}.issue-resolution{flex-wrap:wrap;justify-content:flex-end}.issue-resolution input{min-width:240px}.format-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem}.format-tabs button{display:grid;gap:.15rem;padding:.75rem;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#334155;text-align:left}.format-tabs button.active{border-color:#2563eb;box-shadow:0 0 0 2px #dbeafe}.format-tabs span{color:#64748b;font-size:.8rem}.submission-file-order{display:grid;gap:.4rem;margin:0;padding:0;list-style:none}.submission-file-order li{min-width:0;padding:.55rem .7rem;border:1px solid #dbe3ec;border-radius:7px;background:#fff}.submission-file-order li>span{overflow:hidden;flex:1;text-overflow:ellipsis;white-space:nowrap}.icon-link{display:inline-flex;align-items:center;justify-content:center;min-width:32px;min-height:32px;padding:.3rem;border:0;border-radius:6px;background:transparent}.icon-link:hover{background:#e2e8f0}.discussion-launch-form input{min-width:0;flex:1}.discussion-candidates{display:flex;flex-wrap:wrap;gap:.6rem}.discussion-candidates strong{width:100%}.next-question-link{width:fit-content}.bundle-version-label{color:#475569;font-size:.84rem;font-weight:700}.contest-context-label{padding:.28rem .52rem;border:1px solid #b7d8d2;border-radius:999px;background:#f0f9f7;color:#315f59;font-size:.78rem;font-weight:650;white-space:nowrap}.required-note{margin:0;font-size:.82rem}.assignment-question-card.is-complete{border-color:#86efac}.table-head,.table-row{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(120px,.6fr) minmax(128px,.6fr);gap:.75rem;align-items:center;min-height:46px;padding:0 .85rem}.table-head{background:#f1f5f9;color:#475569;font-weight:700}.table-head span{gap:.35rem}.table-row{border-top:1px solid #e5e7eb}.table-row:hover{background:#f8fafc}@media (min-width: 861px) and (max-width: 1080px){.lecture-layout{grid-template-columns:minmax(0,1fr)}.lecture-guide-panel{position:static;width:auto;max-height:min(46vh,420px);border-right:0}.lecture-chat-column{grid-column:1}}@media (max-width: 860px){.mobile-only{display:inline-flex}.workspace{grid-template-columns:1fr}.sidebar{position:fixed;top:56px;bottom:0;left:0;z-index:20;width:min(320px,88vw);transform:translate(-100%);transition:transform .16s ease}.sidebar.is-open{transform:translate(0)}.content{padding:.75rem .75rem calc(5rem + env(safe-area-inset-bottom))}.content-lecture{padding:0}.page-panel{padding:1rem}.action-grid,.homework-grid,.filters,.stats-grid,.confidence-strip,.admin-grid,.form-grid,.guide-review-grid,.guide-metrics,.lecture-layout,.bundle-role-grid,.bundle-metrics,.format-tabs,.reset-progress-panel{grid-template-columns:1fr}.reset-progress-panel .danger-button{width:100%}.simulation-launch,.simulation-grid,.simulation-stats{grid-template-columns:1fr}.simulation-run-list{position:static;max-height:360px}.lecture-guide-panel{position:static;width:auto;max-height:min(46vh,420px);border-right:0}.lecture-toolbar{align-items:center;flex-direction:row}.lecture-toolbar .status-row{display:flex}.lecture-chat-column{grid-column:1;padding:.85rem .75rem 2rem}.guide-source-pane{position:static}.guide-source-pane .pdf-viewer,.latex-source-viewer{min-height:460px;height:60vh}.section-heading,.chat-composer,.assignment-question-card header,.assignment-question-card footer,.assignment-progress,.bundle-issue,.discussion-launch-form{align-items:stretch;flex-direction:column}.bundle-list-row{grid-template-columns:1fr auto}.bundle-list-row>span:not(.status-badge){display:none}.issue-resolution{justify-content:stretch}.issue-resolution input{min-width:0;width:100%}.lecture-toolbar{flex-direction:row}.table-head,.table-row,.admin-table-head,.admin-table-row,.student-head,.student-row,.outcomes-head,.outcomes-row,.materials-head,.materials-row,.curriculum-row{grid-template-columns:minmax(0,1fr);padding:.75rem}}@media (max-width: 560px){.topbar{gap:.5rem;padding-inline:.5rem}.user-menu>span{display:none}.markdown-math,.tutor-reading-message,.presented-problem{min-width:0;max-width:100%}.markdown-math .katex-display{max-width:100%}.lecture-toolbar h1{font-size:1.3rem}.lecture-current-card{padding:.7rem}}