@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.25ieegmnh38ts.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.10y3kupq4t663.woff)format("woff"),url(../media/KaTeX_AMS-Regular.418dr7cz3fo2x.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.06b-ya9t43ioz.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.2vmk2hva4ctha.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.40ltxhe834pns.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.2eph4dlhid_m9.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3gxeetazf831f.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.07-7u27-nhn_r.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.2sasz-d-jtw8y.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1alcy76__wdj2.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.19yqa_tc9d_gx.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.2d10y4xmjvzlf.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.110oo81prr9n5.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.2qhy34r6a05dn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.3-rowy8o6_4ky.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.0v1esh257kqpe.woff)format("woff"),url(../media/KaTeX_Main-Bold.0us_n0tnxlxu7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.14r2naom8mrec.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.13355ck5zr48q.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.3x_u9cepaced0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.0lig0v9j0700p.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.0afv392dj4w59.woff)format("woff"),url(../media/KaTeX_Main-Italic.2hkw3230mfwcv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.1ryvsdzh2w1_e.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.15u8r3b2y7fv4.woff)format("woff"),url(../media/KaTeX_Main-Regular.0symfa7dqj6jd.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.1oopuu636h4il.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.12pl58orkw9rg.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0y5w36a5aq__2.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.32405s1aq8vas.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.0w0b1ugh62cfr.woff)format("woff"),url(../media/KaTeX_Math-Italic.2vkekfblmz5nb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.0h3wi2z_eouyg.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ovw5p-yjp56g.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.2d03q85pwxpti.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.0wkjc4dm2kcit.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.1qavw__2zz8gk.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.3i-q087b23-m8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.2peiewu59z3d-.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.1i4afx8nk8n4r.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.31pbu25feko_c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.11h14300o9pd0.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.3110jb9c-bxna.woff)format("woff"),url(../media/KaTeX_Script-Regular.28p_x7iz71ofe.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.03lhvx36ekcou.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.1slf4bh0hc6vm.woff)format("woff"),url(../media/KaTeX_Size1-Regular.1y57-ck23ey8c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.14s5gg-puz6h-.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.0-kwyvx03omo8.woff)format("woff"),url(../media/KaTeX_Size2-Regular.2u0s-b07k2o9m.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1n1rgzz84z8r9.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.04o9a_02gu_e8.woff)format("woff"),url(../media/KaTeX_Size3-Regular.1pkn-dge4q0fv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.2sgotkdv3dcyv.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.3p2r1l7xmebxv.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2uelkfk2yna5e.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.11gr2d2wuwz77.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.12f8myjij3617.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.3nee9kjfy6nm8.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.33"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.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;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .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 .clap,.katex .llap,.katex .rlap{width:0;position:relative}.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;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.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:.833333em}.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:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.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:1.66667em}.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:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.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:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.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:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.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:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.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:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.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:.416667em}.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:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.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:.833333em}.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:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.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:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.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:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.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:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.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:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.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{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .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{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-cyrillic-ext-wght-normal.20g3-bbbhdq0_.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-cyrillic-wght-normal.2cxlyxah-fd35.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-greek-ext-wght-normal.0mkxydxl0e43d.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-greek-wght-normal.1rx9vjatjkdar.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-vietnamese-wght-normal.2kcj5i_8uff48.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-latin-ext-wght-normal.3gdi_th3seg1n.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-latin-wght-normal.0gsaq8ukbf34m.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--background:#f7f8fa;--surface:#fff;--surface-alt:#f1f3f7;--text:#192235;--muted:#627084;--border:#e3e7ee;--accent:#4f63c6;--accent-soft:#eff1fb;--on-accent:#fff;--good:#247647;--good-soft:#edf7f0;--danger:#b83c47;--danger-soft:#fff0f1;--warning:#94621b;--warning-soft:#fff7e7;--shadow:0 14px 50px #17233b12;--radius:8px;--switch-off:#7a8496;--font:"Inter Variable", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;scroll-padding-top:88px}:root[data-theme=dark]{--background:#111722;--switch-off:#66748c;--surface:#192130;--surface-alt:#222d40;--text:#e8edf7;--muted:#a0adc3;--border:#303d52;--accent:#9bb5ff;--accent-soft:#253757;--on-accent:#112044;--good:#90d5ac;--good-soft:#213d31;--danger:#ffabb3;--danger-soft:#422832;--warning:#efc889;--warning-soft:#403724;--shadow:0 14px 50px #0005;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--background);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;font-size:13px;line-height:1.65}button,input,textarea,select{font:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,.button{border:1px solid var(--border);background:var(--surface);min-height:34px;color:var(--text);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:7px 12px;font-size:13px;font-weight:550;line-height:1.4;text-decoration:none;transition:background .15s,border-color .15s,color .15s,box-shadow .15s;display:inline-flex}button:hover,.button:hover{background:var(--surface-alt);border-color:color-mix(in srgb, var(--muted) 40%, var(--border));text-decoration:none}button:disabled{opacity:.45;cursor:not-allowed}.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);box-shadow:0 2px 3px #22388510}.primary:hover{background:color-mix(in srgb, var(--accent) 88%, var(--text));border-color:#0000}button.quiet,.button.quiet{box-shadow:none;background:0 0;border-color:#0000}button.quiet:hover,.button.quiet:hover{background:var(--surface-alt)}.icon-button{flex-shrink:0;width:36px;min-height:36px;padding:7px}button.danger{color:var(--danger)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;scroll-margin-top:88px}input,select,textarea{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;width:100%;min-width:0;padding:9px 11px;font-size:13px;line-height:1.5;transition:border-color .15s,box-shadow .15s}input::placeholder,textarea::placeholder{color:var(--muted);opacity:.85}input:focus,select:focus,textarea:focus{border-color:var(--accent)}input[type=checkbox]{width:17px;height:17px;accent-color:var(--accent);flex-shrink:0}textarea{resize:vertical;min-height:120px;line-height:1.7}label{flex-direction:column;gap:7px;font-size:12px;font-weight:550;display:flex}.field-hint{color:var(--muted);font-size:12px;font-weight:400}.checkbox-label{flex-direction:row;align-items:center;gap:8px}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.field-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.field-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.full-width{grid-column:1/-1}.stack{flex-direction:column;gap:20px;display:flex}.stack.tight{gap:8px}.actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.actions.end{justify-content:flex-end;margin-top:20px}.separated{border-top:1px solid var(--border);margin-top:22px;padding-top:22px}.muted{color:var(--muted)}.small{font-size:12px}.eyebrow{color:var(--muted);letter-spacing:.01em;margin-bottom:8px;font-size:12px;font-weight:500}.points{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.045em;overflow-wrap:anywhere;margin-bottom:10px;font-size:24px;font-weight:700;line-height:1.25}h2{letter-spacing:-.025em;margin:0;font-size:16px;font-weight:650;line-height:1.4}h3{letter-spacing:-.02em;margin-bottom:8px;font-size:15px;font-weight:600}.page-title{justify-content:space-between;align-items:flex-start;gap:22px;margin-bottom:22px;display:flex}.page-title>div:first-child{min-width:0}.page-title p{max-width:690px;margin:0;font-size:13px;line-height:1.7}.page-title>.actions{flex-shrink:0;padding-top:4px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);min-width:0}.panel-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:13px 18px;display:flex}.panel-header h2{font-size:15px}.panel-content{padding:18px}.panel-content>:last-child{margin-bottom:0}.cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card-link{border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);color:var(--text);padding:18px;transition:border-color .15s,box-shadow .15s;display:block}.card-link:hover{border-color:color-mix(in srgb, var(--accent) 45%, var(--border));text-decoration:none;box-shadow:0 4px 18px #17233b07}.card-link p{color:var(--muted);margin:10px 0 0;font-size:13px}.card-icon{color:var(--accent);margin-bottom:16px}.badge{background:var(--surface-alt);color:var(--muted);white-space:nowrap;border:1px solid #0000;border-radius:5px;align-items:center;padding:3px 8px;font-size:11px;font-weight:500;line-height:1.5;display:inline-flex}.badge.good{background:var(--good-soft);color:var(--good)}.badge.accent{background:var(--accent-soft);color:var(--accent)}.badge.warning{background:var(--warning-soft);color:var(--warning)}.tag-row{flex-wrap:wrap;gap:6px;display:flex}.filters{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-wrap:wrap;align-items:flex-end;gap:12px;margin-bottom:22px;padding:18px;display:flex}.filters label{min-width:125px;color:var(--muted);flex:1;font-size:11px}.filters label.search{flex:1.8;min-width:180px}.filters input,.filters select{background:var(--background);color:var(--text)}.table-wrap{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;color:var(--muted);background:color-mix(in srgb, var(--surface-alt) 55%, var(--surface));white-space:nowrap;font-size:12px;font-weight:500}td,th{border-bottom:1px solid var(--border);vertical-align:middle;padding:16px 20px}tr:last-child td{border-bottom:0}tbody tr:hover{background:color-mix(in srgb, var(--accent-soft) 35%, var(--surface))}td a{color:var(--text);font-weight:550}td a:hover{color:var(--accent)}td .muted{font-size:12px}.table-title{min-width:200px}.pagination{color:var(--muted);justify-content:center;align-items:center;gap:12px;margin:24px 0;font-size:12px;display:flex}.pagination button{background:0 0;min-height:34px;padding:7px 12px;font-size:12px}.state{color:var(--muted);justify-content:center;align-items:center;gap:10px;padding:50px 22px;font-size:13px;display:flex}.state.empty{text-align:center;border:1px dashed var(--border);border-radius:var(--radius);background:var(--surface);flex-direction:column;min-height:140px}.state p{margin:0}.notice{border:1px solid var(--border);background:var(--surface-alt);border-radius:9px;margin:14px 0;padding:14px 17px;font-size:13px}.notice p:last-child{margin-bottom:0}.notice.error{color:var(--danger);background:var(--danger-soft);border-color:color-mix(in srgb, var(--danger) 25%, var(--border))}.notice.warning{background:var(--warning-soft);color:var(--warning)}.tabs{border-bottom:1px solid var(--border);align-items:stretch;gap:26px;margin-bottom:22px;display:flex;overflow-x:auto}.tabs a,.tabs button{color:var(--muted);box-shadow:none;white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;border-radius:0;padding:11px 4px 14px;font-size:13px;font-weight:500}.tabs a[aria-current=page],.tabs button.primary{border-bottom-color:var(--accent);color:var(--accent);background:0 0;font-weight:600}.tabs a:hover,.tabs button:hover{color:var(--accent);background:0 0;text-decoration:none}.problem-layout{grid-template-columns:minmax(0,1fr) 250px;gap:24px;display:grid}.problem-layout>.stack>.panel:first-of-type .panel-content{padding:30px}.problem-aside .panel-content{padding:16px}.metadata-list{grid-template-columns:auto 1fr;gap:14px 12px;margin:0;font-size:12px;display:grid}.metadata-list dt{color:var(--muted)}.metadata-list dd{text-align:right;overflow-wrap:anywhere;margin:0;font-weight:500}.markdown{overflow-wrap:anywhere;font-size:15px;line-height:1.85}.markdown p{margin-bottom:18px}.markdown h1{font-size:22px}.markdown h2{margin:24px 0 12px;font-size:20px}.markdown h3{margin:18px 0 10px;font-size:16px}.markdown ul,.markdown ol{padding-left:24px}.markdown pre{background:var(--surface-alt);border-radius:8px;padding:16px;font-size:12px;overflow-x:auto}.markdown .katex-display{padding:5px 0;overflow:auto hidden}.markdown table{display:block;overflow-x:auto}.markdown blockquote{border-left:3px solid var(--border);color:var(--muted);margin-left:0;padding-left:18px}.modal{border:1px solid var(--border);background:var(--surface);width:min(600px,100vw - 28px);max-height:90dvh;color:var(--text);box-shadow:var(--shadow);border-radius:12px;padding:0;overflow:auto}.modal::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#101a3860}.modal .panel-header{padding:18px 24px}.modal .panel-header h2{font-size:16px}.modal .panel-content{padding:18px}.account-option{white-space:normal;text-align:left;justify-content:space-between;width:100%}.notification-link{position:relative}.unread-dot{background:var(--accent);border:2px solid var(--surface);border-radius:50%;width:7px;height:7px;position:absolute;top:4px;right:5px}.run-banner{background:var(--warning-soft);color:var(--warning);justify-content:space-between;align-items:center;gap:16px;padding:12px 36px;font-size:12px;display:flex}.run-banner a{white-space:nowrap;color:inherit;text-decoration:underline}.editor-section{margin-bottom:24px}.criterion{border-bottom:1px solid var(--border);grid-template-columns:1fr 100px 170px 36px;align-items:start;gap:12px;padding:18px 0;display:grid}.criterion:last-child{border-bottom:0}.criterion label{font-size:12px}.rubric{border:1px solid var(--border);background:color-mix(in srgb, var(--surface-alt) 35%, var(--surface));border-radius:10px;margin-top:16px;padding:16px}.file-row{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:12px 0;display:flex}.file-row span{overflow-wrap:anywhere;flex:1;min-width:0}.file-row .icon-button{width:30px;min-height:30px}.submission-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:24px;display:grid}.original-image{object-fit:contain;background:#fff;border-radius:6px;width:100%;height:auto;max-height:740px;display:block}.pdf-frame{background:#fff;border:0;width:100%;height:650px}.file-selector{gap:6px;padding-bottom:16px;display:flex;overflow-x:auto}.file-selector button{min-height:34px;font-size:12px}.assessment-award{border-bottom:1px solid var(--border);padding:18px 0}.assessment-award:last-child{border:0}.assessment-award header{justify-content:space-between;align-items:flex-start;gap:15px;display:flex}.assessment-award p{margin:8px 0}.score-large{letter-spacing:-.05em;font-variant-numeric:tabular-nums;font-size:38px;font-weight:650}.review-record{border-left:3px solid var(--good);background:var(--good-soft);border-radius:0 8px 8px 0;padding:18px}.note{border:1px solid var(--border);border-radius:10px;padding:22px}.question{border-bottom:1px solid var(--border);padding:22px 0}.question:last-child{border:0}.question.reply{border-left:2px solid var(--border);margin-left:24px;padding-left:18px}.question-meta{align-items:center;gap:8px;margin-bottom:12px;font-size:12px;display:flex}.item-row{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:16px 0;display:flex}.item-row .item-main{flex:1;min-width:0}.item-row:last-child{border:0}.item-row p{margin:4px 0}.timer{font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--accent);font-family:ui-monospace,monospace;font-size:24px}.assistant-panel{background:var(--surface);border:1px solid var(--border);width:min(408px,100vw - 24px);height:min(540px,100dvh - 84px);box-shadow:var(--shadow);z-index:40;border-radius:12px;flex-direction:column;display:flex;position:fixed;bottom:20px;right:22px;overflow:hidden}.assistant-panel>header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:8px;padding:10px 12px;display:flex}.assistant-panel>header h2{flex:1;font-size:13px}.assistant-context{border-bottom:1px solid var(--border);color:var(--muted);background:0 0;flex-shrink:0;padding:6px 12px;font-size:11px}.assistant-messages{flex-direction:column;flex:1;gap:14px;min-height:0;padding:12px;display:flex;overflow-y:auto}.chat-message{min-width:0;max-width:100%}.chat-message.user{background:var(--surface-alt);white-space:pre-wrap;border-radius:10px 10px 2px;align-self:flex-end;padding:12px 15px;font-size:13px}.chat-message .markdown{font-size:13px;line-height:1.75}.chat-message .markdown p{margin-bottom:12px}.assistant-composer{border-top:1px solid var(--border);flex-shrink:0;padding:10px 12px}.chat-input{border:1px solid var(--border);background:var(--background);border-radius:10px;align-items:flex-end;transition:border-color .15s,box-shadow .15s;display:flex;overflow:hidden}.chat-input:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.chat-input textarea{resize:none;width:auto;min-width:0;min-height:44px;max-height:128px;box-shadow:none;background:0 0;border:0;border-radius:0;outline:none;flex:1;padding:10px 11px;font-size:13px;line-height:20px}.chat-input button{border-radius:7px;flex-shrink:0;width:30px;height:30px;min-height:30px;margin:7px 7px 7px 0;padding:0}.composer-hint{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:5px 12px;margin-top:6px;font-size:10px;line-height:1.5;display:flex}.assistant-intro{color:var(--muted);margin:6px 0;font-size:12px;line-height:1.7}.assistant-error{padding:0 12px}.assistant-panel{animation:.14s ease-out tutor-open}@keyframes tutor-open{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.proposal{border:1px solid var(--border);background:var(--accent-soft);border-radius:8px;padding:15px;font-size:12px}.chat-history{border-bottom:1px solid var(--border);max-height:190px;padding:12px;overflow:auto}.chat-history button{white-space:normal;text-align:left;justify-content:flex-start;width:100%;margin-bottom:4px}.latex-source{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface-alt);border-radius:8px;max-height:350px;padding:16px;font-size:.8rem;overflow:auto}.proposal-preview{margin-block:14px}.proposal-preview>.stack{padding-block:16px}.proposal-preview dd{overflow-wrap:anywhere;margin:0 0 12px}.proposal-preview dt{color:var(--muted);font-size:.8rem}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:1150px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.problem-layout{grid-template-columns:minmax(0,1fr) 220px;gap:18px}.field-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.criterion{grid-template-columns:1fr 90px}.criterion>label:nth-of-type(3){grid-column:1}.criterion>.icon-button{justify-self:end}}@media (max-width:1050px){.problem-layout{grid-template-columns:minmax(0,1fr)}.problem-aside{grid-template-columns:1fr 1fr;align-items:start;display:grid}.submission-grid{grid-template-columns:minmax(0,1fr)}}@media (max-width:600px){body{font-size:13px}h1{font-size:22px}.page-title{flex-direction:column;gap:16px;margin-bottom:24px}.page-title>.actions{flex-shrink:1;padding:0}.cards,.cards.two,.field-grid,.field-grid.three,.field-grid.four,.problem-aside{grid-template-columns:minmax(0,1fr)}.panel-content,.problem-layout>.stack>.panel:first-of-type .panel-content{padding:16px}.panel-header{padding:16px 20px}.filters{gap:12px;padding:14px}.filters label{min-width:120px}.filters label.search{min-width:100%}td,th{padding:14px 16px}.assistant-panel{width:auto;height:min(540px,100dvh - 84px);bottom:8px;left:8px;right:8px}.run-banner{flex-wrap:wrap;gap:4px;padding:12px 20px}.tabs{gap:20px}.question.reply{margin-left:10px}.markdown{font-size:14px}.card-link,.modal .panel-content{padding:16px}}@media (pointer:coarse){button,.button{min-height:44px}.icon-button{min-width:42px}.file-row .icon-button{min-width:36px;min-height:36px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.skip-link{z-index:100;background:var(--text);color:var(--surface);border-radius:6px;padding:8px 12px;position:fixed;top:8px;left:16px;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.app-header{z-index:30;background:var(--surface);border-bottom:1px solid var(--border);height:64px;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:22px;max-width:1680px;height:100%;margin:auto;padding:0 28px;display:flex}.brand{color:var(--text);letter-spacing:-.035em;white-space:nowrap;align-items:center;gap:7px;font-size:19px;font-weight:700;display:inline-flex}.brand:hover{text-decoration:none}.brand>svg,.brand-accent{color:var(--accent)}.primary-nav{align-self:stretch;align-items:center;gap:3px;display:flex}.primary-nav a{color:var(--muted);align-items:center;padding:0 12px;font-size:13px;font-weight:500;text-decoration:none;display:flex;position:relative}.primary-nav a:hover{color:var(--text);background:var(--surface-alt)}.primary-nav a[aria-current=page]{color:var(--accent)}.primary-nav a[aria-current=page]:after{content:"";background:var(--accent);height:2px;position:absolute;bottom:0;left:12px;right:12px}.header-tools{flex-shrink:0;align-items:center;gap:2px;display:flex}.header-tools button,.header-tools .icon-button{min-height:32px}.header-tools .icon-button{width:32px}.language-button{padding:6px 8px;font-size:11px}.header-menu-trigger{gap:7px;padding:5px 8px;font-size:12px}.header-account-name{text-overflow:ellipsis;max-width:88px;overflow:hidden}.header-menu-trigger>svg:last-child{margin-left:5px}.notification-link{position:relative}.unread-dot{background:var(--accent);border-radius:50%;width:4px;height:4px;position:absolute;top:5px;right:7px}.avatar{background:var(--accent-soft);width:30px;height:30px;color:var(--accent);border-radius:7px;flex-shrink:0;place-items:center;font-size:12px;font-weight:600;display:inline-grid}.avatar.tiny{width:24px;height:24px;font-size:10px}.avatar.large{width:44px;height:44px;font-size:18px}.account-heading{align-items:center;gap:12px;display:flex}.account-heading>div{flex:1}.account-heading p{margin:2px 0 0}.account-sso{width:100%;margin-top:18px}.account-option{justify-content:space-between;width:100%}.main-content{max-width:1680px;min-height:calc(100dvh - 125px);margin:0 auto;padding:30px 24px 60px}.main-content:focus{outline:none}.site-footer{max-width:1680px;color:var(--muted);border-top:1px solid var(--border);justify-content:space-between;gap:20px;margin:auto;padding:18px 24px;font-size:10px;display:flex}.site-footer>a{color:var(--text);font-weight:600}.modal.header-menu{border-radius:8px;width:300px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 84px);margin:0;position:fixed;inset:72px max(16px,50vw - 712px) auto auto}.header-menu::backdrop{background:#10182910}.header-menu .panel-header{padding:12px 14px}.header-menu .panel-header h2{font-size:13px}.header-menu .panel-content{padding:6px}.menu-role{color:var(--muted);margin:3px 10px 9px;font-size:11px}.compact-menu>div+div,.compact-menu>button{border-top:1px solid var(--border);margin-top:5px;padding-top:5px}.compact-menu a,.compact-menu>button{width:100%;min-height:34px;color:var(--text);white-space:normal;text-align:left;background:0 0;border:none;border-radius:5px;justify-content:flex-start;align-items:center;gap:9px;padding:7px 10px;font-size:12px;font-weight:450;text-decoration:none;display:flex}.compact-menu a:hover,.compact-menu>button:hover{background:var(--surface-alt)}.compact-menu a[aria-current=page]{color:var(--accent);background:var(--accent-soft)}.compact-menu svg{color:var(--muted);flex-shrink:0}.menu-primary{display:none}.section-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:10px;display:flex}.section-heading h1,.section-heading h2{align-items:center;gap:9px;margin:0;display:flex}.section-heading h1{letter-spacing:-.035em;font-size:22px}.section-heading h2{letter-spacing:-.02em;font-size:15px}.section-heading>span,.section-heading>a{color:var(--muted);font-size:11px}.section-heading>a{color:var(--accent);flex-shrink:0;align-items:center;gap:5px;display:inline-flex}.compact-panel{border:1px solid var(--border);background:var(--surface);border-radius:8px;min-width:0;overflow:hidden}.compact-panel>.section-heading{border-bottom:1px solid var(--border);margin:0;padding:14px 18px}.home-problem-row{color:var(--text);border-bottom:1px solid var(--border);grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) 60px 70px;align-items:center;gap:16px;padding:10px 18px;font-size:11px;display:grid}.home-problem-row:last-child{border-bottom:0}.home-problem-row strong{font-size:12px;font-weight:550}.home-problem-row:hover{background:var(--surface-alt);text-decoration:none}.profile-breadcrumb{color:var(--muted);align-items:center;gap:9px;margin-bottom:24px;font-size:11px;display:flex}.profile-breadcrumb>a{color:var(--muted);display:flex}.profile-identity{align-items:center;gap:18px;margin-bottom:24px;display:flex}.profile-avatar{background:var(--accent);width:58px;height:58px;color:var(--on-accent);border-radius:9px;flex-shrink:0;place-items:center;font-size:25px;font-weight:550;display:grid}.profile-identity-copy{flex:1;min-width:0}.profile-identity h1{letter-spacing:-.035em;margin:0 0 3px;font-size:22px}.profile-identity p{color:var(--muted);margin:0;font-size:12px}.profile-identity p span{padding:0 6px}.profile-affiliations{color:var(--muted);flex-wrap:wrap;gap:6px 18px;margin-top:5px;font-size:11px;display:flex}.profile-affiliations strong{font-weight:500}.profile-identity-actions{align-items:center;gap:12px;display:flex}.profile-identity-actions .button{font-size:11px}.profile-page>.tabs{margin-bottom:20px}.profile-stats{border:1px solid var(--border);background:var(--surface);border-radius:8px;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:22px;padding:16px 0;display:grid}.profile-stats>div{align-items:center;gap:16px;padding:0 24px;display:flex}.profile-stats>div+div{border-left:1px solid var(--border)}.profile-stats svg{color:var(--muted);flex-shrink:0}.profile-stats span{color:var(--muted);font-size:11px;display:block}.profile-stats strong{font-size:23px;font-weight:650;line-height:1.5;display:block}.profile-grid{grid-template-columns:minmax(0,2fr) minmax(260px,1fr);align-items:start;gap:20px;display:grid}.profile-grid .stack{gap:18px}.activity-body{padding:20px 18px 12px}.activity-grid{grid-template-rows:repeat(7,1fr);grid-template-columns:repeat(26,minmax(0,1fr));grid-auto-flow:column;gap:4px;display:grid}.activity-grid>span{border-radius:2px;height:14px}.activity-grid>span,.activity-legend i{background:var(--surface-alt);border:1px solid var(--border)}.activity-grid [data-level="1"],.activity-legend [data-level="1"]{background:color-mix(in srgb, var(--accent) 18%, var(--surface));border-color:#0000}.activity-grid [data-level="2"],.activity-legend [data-level="2"]{background:color-mix(in srgb, var(--accent) 40%, var(--surface));border-color:#0000}.activity-grid [data-level="3"],.activity-legend [data-level="3"]{background:color-mix(in srgb, var(--accent) 65%, var(--surface));border-color:#0000}.activity-grid [data-level="4"],.activity-legend [data-level="4"]{background:var(--accent);border-color:#0000}.activity-caption{color:var(--muted);justify-content:space-between;gap:10px;margin-top:14px;font-size:10px;display:flex}.activity-legend{align-items:center;gap:4px;display:flex}.activity-legend i{border-radius:2px;width:10px;height:10px;display:block}.activity-details{color:var(--muted);margin-top:12px;font-size:10px}.activity-details summary{cursor:pointer;width:fit-content}.activity-details ul{columns:2;padding-left:18px}.profile-recent>a{color:var(--text);border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:12px 18px;font-size:11px;display:flex}.profile-recent>a:last-child{border-bottom:0}.profile-recent>a:hover{background:var(--surface-alt);text-decoration:none}.profile-recent>a>div{flex:1;min-width:0}.profile-recent strong{font-size:12px;font-weight:550}.profile-recent time{color:var(--muted);font-size:10px;display:block}.review-copy{color:var(--muted);font-size:10px}.subject-progress{padding:16px 18px}.subject-progress>div+div{margin-top:13px}.subject-progress>div>div{justify-content:space-between;gap:12px;font-size:11px;display:flex}.subject-progress a{color:var(--text)}.subject-progress p{margin:0;font-size:12px}.subject-progress progress{appearance:none;background:var(--surface-alt);border:0;border-radius:3px;width:100%;height:5px;margin-top:6px;display:block;overflow:hidden}.subject-progress progress::-webkit-progress-bar{background:var(--surface-alt)}.subject-progress progress::-webkit-progress-value{background:var(--accent)}.subject-progress progress::-moz-progress-bar{background:var(--accent)}.profile-learning>a{border-bottom:1px solid var(--border);color:var(--text);align-items:center;gap:10px;padding:13px 18px;font-size:12px;display:flex}.profile-learning>a:last-child{border-bottom:0}.profile-learning>a>svg{color:var(--muted);flex-shrink:0}.profile-learning>a>svg:last-child{margin-left:auto}.profile-membership{border:1px solid var(--border);background:var(--surface);border-radius:8px;justify-content:space-between;align-items:center;gap:20px;margin-top:22px;padding:16px 18px;display:flex}.profile-membership h2{font-size:14px}.profile-membership p{color:var(--muted);margin:4px 0 0;font-size:11px}.profile-membership .button{font-size:11px}.profile-account-body{max-width:640px;padding:20px}.profile-account dl{margin:20px 0}.profile-account dl>div{border-bottom:1px solid var(--border);grid-template-columns:130px 1fr;gap:15px;padding:10px 0;font-size:12px;display:grid}.profile-account dt{color:var(--muted)}.profile-account dd{overflow-wrap:anywhere;margin:0}.profile-account-body>label{margin-bottom:18px}.notes-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:22px;display:grid}.notes-heading{margin-bottom:22px}.notes-heading h2{margin-bottom:7px;font-size:17px;font-weight:650}.notes-heading p{color:var(--muted);margin:0;font-size:13px}.guidance-note{border:1px solid var(--border);border-left:3px solid var(--good);background:var(--surface);border-radius:8px;padding:18px;box-shadow:0 2px 4px #17233b04}.guidance-note[data-state=pending]{border-left-color:var(--warning)}.guidance-note[data-state=rejected]{border-left-color:var(--muted)}.guidance-note header{align-items:flex-start;gap:11px;margin-bottom:20px;display:flex}.guidance-author{flex:1;min-width:0}.guidance-author strong{font-size:13px;font-weight:600}.guidance-author time{color:var(--muted);margin-top:2px;font-size:12px;display:block}.note-status{color:var(--good);white-space:nowrap;align-items:center;gap:6px;font-size:11px;font-weight:550;display:inline-flex}.note-status.pending{color:var(--warning)}.note-status.rejected{color:var(--muted)}.guidance-note .markdown{font-size:13px;line-height:1.8}.guidance-note footer{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:20px;padding-top:14px;font-size:11px;display:flex}.guidance-note footer a{align-items:center;gap:6px;font-weight:550;display:flex}.guidance-note footer button{min-height:30px;padding:5px 8px;font-size:11px}.notes-composer{padding-top:12px}.notes-composer h2{margin-bottom:20px;font-size:16px}.notes-composer textarea{background:var(--surface);min-height:130px}.notes-composer-footer{justify-content:space-between;align-items:center;gap:16px;display:flex}.notes-composer-footer p{color:var(--muted);margin:0;font-size:11px}.notes-settings{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:18px}.notes-settings h2{border-bottom:1px solid var(--border);margin-bottom:18px;padding-bottom:18px;font-size:13px}.notes-settings p{color:var(--muted);margin:14px 0 0;font-size:13px;line-height:1.75}.switch-label{flex-direction:row;justify-content:space-between;align-items:flex-start;gap:18px;font-size:13px;line-height:1.5;display:flex}.switch-control{flex-shrink:0;display:inline-flex;position:relative}.switch-control input{appearance:none;border:1px solid var(--border);background:var(--switch-off);cursor:pointer;border-radius:20px;width:38px;height:22px;margin:2px 0 0;padding:0}.switch-control input:after{content:"";background:#fff;border-radius:50%;width:16px;height:16px;transition:transform .15s;position:absolute;top:5px;left:3px;box-shadow:0 1px 3px #17233b20}.switch-control input:checked{background:var(--accent);border-color:var(--accent)}.switch-control input:checked:after{background:var(--on-accent);transform:translate(16px)}.notes-safety{border-top:1px solid var(--border);color:var(--muted);align-items:flex-start;gap:8px;margin-top:18px;padding-top:18px;font-size:11px;display:flex}.notes-safety svg{flex-shrink:0;margin-top:2px}.notes-explainer{margin-top:28px;padding:0 8px}.notes-explainer h3{margin-bottom:14px;font-size:13px}.notes-explainer ol{color:var(--muted);padding-left:18px;font-size:13px;line-height:1.8}.notes-explainer li{margin-bottom:8px;padding-left:4px}.notes-state-label{color:var(--muted);margin-bottom:0;font-size:12px;font-weight:550}.problem-name-cell{align-items:center;gap:14px;display:flex}.problem-number{color:var(--muted);font-variant-numeric:tabular-nums;min-width:22px;font-size:11px;font-weight:500}.problem-name-cell a{font-size:13px;font-weight:550}.subject-text{color:var(--muted);font-size:11px}.difficulty{align-items:center;gap:3px;display:inline-flex}.difficulty i{background:var(--border);border-radius:2px;width:4px;height:12px;display:block}.difficulty i.filled{background:var(--accent)}@media (max-width:1100px){.primary-nav{display:none}.menu-primary{grid-template-columns:1fr 1fr;padding-bottom:6px;display:grid}.profile-stats>div{gap:10px;padding:0 18px}}@media (max-width:800px){.header-inner{gap:12px;padding:0 18px}.main-content{padding:24px 18px 50px}.profile-grid{grid-template-columns:minmax(0,1fr)}.profile-grid>aside{grid-template-columns:1fr 1fr;display:grid}.notes-layout{grid-template-columns:minmax(0,1fr)}.notes-rail{grid-template-columns:1fr 1fr;gap:18px;display:grid}.notes-explainer{margin-top:0}.profile-stats>div{padding:0 14px}.profile-stats svg{display:none}}@media (max-width:600px){.app-header{height:58px}.header-inner{gap:6px;padding:0 12px}.brand{gap:5px;font-size:17px}.brand>svg{width:23px}.header-account-name,.header-menu-trigger>svg:not(:last-child){display:none}.header-menu-trigger{gap:5px;padding-inline:5px}.header-menu-trigger>svg:last-child{margin-left:0}.header-tools{gap:0}.header-tools .icon-button{width:30px}.header-tools .language-button{padding-inline:6px}.header-tools .header-signin{padding-inline:6px;font-size:11px}.modal.header-menu{top:65px;right:8px}.main-content{padding:22px 16px 48px}.site-footer{flex-direction:column;gap:5px;padding:16px}.section-heading{flex-wrap:wrap;gap:8px}.section-heading h1{font-size:21px}.home-problem-row{grid-template-columns:minmax(0,1fr) 48px;gap:5px 12px;padding:11px 14px}.home-problem-row>.muted{grid-row:2;font-size:10px}.home-problem-row>.difficulty{grid-area:2/2}.home-problem-row>.home-points{grid-area:1/2}.compact-panel>.section-heading{padding:12px 14px}.profile-breadcrumb{margin-bottom:18px}.profile-identity{flex-wrap:wrap;align-items:flex-start;gap:12px;margin-bottom:20px}.profile-avatar{border-radius:7px;width:46px;height:46px;font-size:20px}.profile-identity-copy{flex-basis:calc(100% - 60px)}.profile-identity h1{font-size:20px}.profile-identity-actions{gap:8px;margin-left:58px}.profile-stats{grid-template-columns:1fr 1fr;padding:0}.profile-stats>div{padding:14px 18px}.profile-stats>div:nth-child(3){border-left:none}.profile-stats>div:nth-child(n+3){border-top:1px solid var(--border)}.profile-stats svg{width:18px;display:block}.profile-stats strong{font-size:21px}.profile-grid>aside,.notes-rail{grid-template-columns:minmax(0,1fr)}.activity-body{padding:16px 14px 12px}.activity-grid{gap:3px}.activity-caption{flex-direction:column;gap:7px}.activity-details ul{columns:1}.profile-recent>a{flex-wrap:wrap;gap:7px 12px;padding:11px 14px}.profile-recent>a>div{flex-basis:50%}.profile-membership{flex-wrap:wrap;gap:12px;padding:14px}.guidance-note header{flex-wrap:wrap}.guidance-note header .note-status{margin-left:auto}.notes-composer-footer{flex-wrap:wrap}.notes-explainer{padding:0}}@media (max-width:360px){.brand>span{font-size:15px}.header-menu-trigger .avatar{display:none}.header-tools .icon-button{width:28px;min-width:28px}.header-tools button{padding-inline:4px}.profile-stats>div{padding:12px}.profile-stats svg{display:none}}@media (pointer:coarse){.header-tools button,.header-tools .icon-button{min-height:44px}.compact-menu a,.compact-menu>button{min-height:42px}}.header-tutor{white-space:nowrap;align-items:center;gap:6px;min-height:32px;padding:5px 8px;font-size:12px;display:inline-flex;position:relative}.header-tutor[aria-expanded=true]{color:var(--accent);background:var(--accent-soft)}.tutor-busy{background:var(--accent);border-radius:50%;width:5px;height:5px}.compact-menu>.mobile-theme{display:none}@media (max-width:1200px){.header-tutor .tutor-label{display:none}.header-tutor{justify-content:center;width:32px;padding:5px}}@media (max-width:600px){.header-tools>.header-theme{display:none}.compact-menu>.mobile-theme{display:flex}}
.learning-home{gap:44px;display:grid}.home-section{min-width:0}.home-section-title{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px;display:flex}.home-section-title h1,.home-section-title h2{letter-spacing:-.035em;align-items:center;gap:10px;margin:0;font-size:20px;font-weight:650;display:flex}.home-section-title h1{font-size:23px}.home-section-title h1 svg,.home-section-title h2 svg{color:var(--muted);flex-shrink:0}.home-section-title p{color:var(--muted);max-width:740px;margin:6px 0 0;font-size:12px}.home-section-title>a,.home-section-title .actions>a{white-space:nowrap;align-items:center;gap:5px;font-size:12px;display:inline-flex}.home-section-title .actions{flex-shrink:0;margin-top:3px}.ask-ai{gap:6px;font-size:12px}.subject-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.subject-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);min-width:0;padding:14px}.subject-card-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}.subject-card-heading h2{letter-spacing:-.02em;font-size:13px;font-weight:600}.subject-card-heading>a{color:var(--muted);padding:4px;display:flex}.topic-preview-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;display:grid}.topic-card{border:1px solid var(--border);background:var(--surface);min-width:0;color:var(--text);border-radius:6px;text-decoration:none;display:flex;position:relative;overflow:visible}.topic-card:hover{border-color:var(--accent);text-decoration:none}.topic-fill{border-radius:inherit;background:var(--accent-soft);pointer-events:none;max-width:100%;position:absolute;inset:0 auto 0 0}.topic-card.complete .topic-fill{background:var(--good-soft)}.topic-card-content{flex-direction:column;gap:4px;width:100%;padding:10px;display:flex;position:relative}.topic-name{justify-content:space-between;align-items:center;gap:4px;min-width:0;font-size:13px;font-weight:550;line-height:1.45;display:flex}.topic-name svg{color:var(--good);flex-shrink:0;margin-top:2px}.topic-meta{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:4px 8px;font-size:11px;line-height:1.5;display:flex}.curriculum{white-space:nowrap}.curriculum.advanced{color:var(--accent)}.topic-progress-line{background:var(--accent);height:2px;position:absolute;bottom:0;left:0}.topic-card.complete .topic-progress-line{background:var(--good)}.topic-card.compact{min-height:0}.topic-card.compact .topic-card-content{gap:4px;padding:6px}.topic-card.compact .topic-name{font-size:11px;font-weight:500}.topic-card.compact .topic-meta{flex-wrap:nowrap;gap:3px 6px;font-size:10px}.more-topics{border:1px dashed var(--border);min-height:0;color:var(--muted);border-radius:6px;justify-content:space-between;align-items:center;gap:8px;padding:8px;font-size:11px;display:flex}.more-topics:hover{color:var(--accent);border-color:var(--accent);text-decoration:none}.more-topics svg{flex-shrink:0}.assessment-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.assessment-preview{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);min-width:0;min-height:148px;color:var(--text);flex-direction:column;padding:18px 20px;display:flex}.assessment-preview:hover{border-color:var(--accent);text-decoration:none}.assessment-preview-meta{color:var(--muted);justify-content:space-between;gap:12px;font-size:11px;display:flex}.assessment-preview-meta span:first-child{align-items:center;gap:6px;display:inline-flex}.assessment-preview h3{margin:12px 0 4px;font-size:14px;font-weight:600}.assessment-preview p{-webkit-line-clamp:2;color:var(--muted);-webkit-box-orient:vertical;margin:0 0 14px;font-size:12px;display:-webkit-box;overflow:hidden}.assessment-preview-footer{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:10px;font-size:11px;display:flex}.home-statistics{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);grid-template-columns:repeat(6,minmax(0,1fr));padding:24px 0;display:grid}.home-statistics>div{text-align:center;flex-direction:column;gap:7px;padding:0 18px;display:flex}.home-statistics>div+div{border-left:1px solid var(--border)}.home-statistics strong{letter-spacing:-.04em;font-size:25px;font-weight:600;line-height:1.2}.home-statistics span{color:var(--muted);font-size:11px}.home-points{color:var(--muted);text-align:right;font-size:11px}.brand .plan-banner{letter-spacing:.01em;color:var(--muted);background:var(--surface-alt);border:1px solid var(--border);border-radius:4px;margin-left:3px;padding:2px 6px;font-size:9px;font-weight:550;line-height:1.5}.brand .plan-banner.premium{color:var(--accent);background:var(--accent-soft);border-color:color-mix(in srgb, var(--accent) 25%, var(--border))}.curriculum-hint{margin:-6px 0 20px}.topic-detail-progress{max-width:560px;margin-bottom:24px}.topic-detail-progress p{margin:8px 0 0}.feature-settings{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.feature-row{cursor:pointer;flex-direction:row;justify-content:space-between;align-items:center;gap:24px;padding:22px;display:flex}.feature-row+.feature-row{border-top:1px solid var(--border)}.feature-row>span{flex-direction:column;gap:5px;max-width:780px;display:flex}.feature-row strong{font-size:13px}.feature-row input{flex-shrink:0}.forum-threads{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.forum-thread{color:var(--text);justify-content:space-between;align-items:center;gap:24px;padding:22px;display:flex}.forum-thread:hover{background:var(--surface-alt);text-decoration:none}.forum-thread+.forum-thread{border-top:1px solid var(--border)}.forum-thread h2{font-size:14px}.forum-thread p{color:var(--muted);overflow-wrap:anywhere;margin:8px 0;font-size:12px}.forum-replies{white-space:nowrap;color:var(--muted);align-items:center;gap:6px;font-size:11px;display:flex}@media (max-width:1100px){.home-section-title{flex-wrap:wrap;gap:10px}.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-statistics{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 0}.home-statistics>div:nth-child(4){border-left:0}}@media (max-width:800px){.subject-grid{grid-template-columns:1fr}}@media (max-width:600px){.learning-home{gap:36px}.home-section-title h1{font-size:21px}.home-section-title h2{font-size:19px}.home-section-title .actions{flex-wrap:wrap}.subject-card{padding:14px}.topic-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.assessment-preview-grid{grid-template-columns:1fr}.assessment-preview{min-height:144px;padding:16px}.home-statistics{grid-template-columns:repeat(2,minmax(0,1fr))}.home-statistics>div:nth-child(4){border-left:1px solid var(--border)}.home-statistics>div:nth-child(odd){border-left:0}.home-statistics strong{font-size:23px}.forum-thread{flex-direction:column;align-items:flex-start;gap:10px;padding:16px}.brand .plan-banner{padding:2px 4px;font-size:9px}.feature-row{padding:16px}}.truncated-label{flex:1;min-width:0}.truncated-text{white-space:nowrap;text-overflow:ellipsis;display:block;overflow:hidden}.topic-tooltip{z-index:20;border:1px solid var(--border);background:var(--surface);max-width:min(320px,85vw);color:var(--text);white-space:normal;border-radius:6px;padding:7px 9px;font-size:12px;font-weight:400;display:none;position:absolute;bottom:calc(100% - 2px);left:0;box-shadow:0 4px 12px #0002}.topic-card:hover .topic-tooltip,.topic-card:focus-visible .topic-tooltip,.topic-tooltip:hover{display:block}
.collection-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px;display:flex}.collection-toolbar>label{width:min(100%,360px)}.segmented{border:1px solid var(--border);background:var(--surface);border-radius:6px;gap:3px;padding:3px;display:inline-flex}.segmented button{color:var(--muted);background:0 0;border:0;min-height:30px;padding:5px 10px;font-size:12px}.segmented button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent)}.collection-index{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.collection-row{align-items:center;gap:24px;min-width:0;padding:20px;display:flex}.collection-row+.collection-row{border-top:1px solid var(--border)}.collection-row-main{flex:1;min-width:0}.collection-row-title{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.collection-row-title a{color:var(--text)}.collection-row-title h2{overflow-wrap:anywhere;font-size:14px;font-weight:600}.collection-row-main>p{color:var(--muted);max-width:680px;margin:5px 0 8px;font-size:12px}.collection-metadata{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 12px;font-size:11px;display:flex}.collection-metadata>span{align-items:center;gap:4px;display:inline-flex}.collection-row-progress{flex-shrink:0;width:170px}.collection-progress{min-width:0}.collection-progress>div:first-child{justify-content:space-between;align-items:center;gap:12px;margin-bottom:7px;font-size:11px;display:flex}.collection-progress>div:first-child>span{color:var(--muted)}.collection-progress strong{white-space:nowrap;font-size:11px;font-weight:550}.progress-track{background:var(--surface-alt);border-radius:4px;height:4px;overflow:hidden}.progress-track>span{background:var(--accent);border-radius:inherit;height:100%;display:block}.collection-row-open{flex-shrink:0;font-size:11px}.back-link{color:var(--muted);align-items:center;gap:4px;margin-bottom:16px;font-size:11px;display:inline-flex}.collection-workspace>.page-title{margin-bottom:20px}.collection-overview{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:30px;margin-bottom:24px;padding:18px 20px;display:flex}.collection-overview>div:first-child{flex-direction:column;flex:1;gap:3px;display:flex}.collection-overview strong{font-size:13px;font-weight:550}.collection-overview>.collection-progress{width:min(100%,340px)}.plan-layout{grid-template-columns:180px minmax(0,1fr);align-items:start;gap:24px;display:grid}.week-rail{min-width:0}.week-rail h2{align-items:center;gap:7px;margin:4px 0 12px;font-size:12px;font-weight:550;display:flex}.week-rail nav{flex-direction:column;gap:4px;max-height:440px;display:flex;overflow:auto}.week-rail nav button{background:0 0;border-color:#0000;justify-content:space-between;padding:9px 10px;font-size:12px}.week-rail nav button span:last-child{color:var(--muted);font-size:10px}.week-rail nav button[aria-current=step]{border-color:var(--border);background:var(--accent-soft);color:var(--accent)}.week-rail>a{align-items:center;gap:5px;margin:14px 10px;font-size:11px;display:flex}.collection-tasks{min-width:0}.collection-tasks-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:3px 0 12px;display:flex}.collection-tasks-heading h2{font-size:14px}.resource-rows{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:0;padding:0;list-style:none}.resource-row{grid-template-columns:20px minmax(0,1fr) auto 28px;align-items:center;gap:14px;padding:17px 18px;display:grid}.resource-row+.resource-row{border-top:1px solid var(--border)}.resource-number{color:var(--muted);font-variant-numeric:tabular-nums;font-size:11px}.resource-title{color:var(--text);font-size:13px;font-weight:550}.resource-row-main{overflow-wrap:anywhere;min-width:0}.resource-row-main>.collection-metadata{margin-top:5px}.resource-result{flex-direction:column;align-items:flex-end;gap:5px;display:flex}.resource-result .badge{gap:4px;font-size:10px}.resource-open{color:var(--muted);width:28px}.collection-progress-note{color:var(--muted);align-items:flex-start;gap:6px;margin:12px 0 0;font-size:11px;display:flex}.collection-progress-note svg{flex-shrink:0;margin-top:3px}.week-footer{justify-content:space-between;gap:12px;margin-top:20px;display:flex}.week-footer button{font-size:11px}.save-resource{font-size:12px}.save-dialog{max-width:480px}.save-resource-title{margin:0;font-size:13px;font-weight:550}.save-dialog .stack{gap:16px}.destination-options{border:1px solid var(--border);border-radius:6px;max-height:230px;margin:0;padding:0;overflow:auto}.destination-option{cursor:pointer;flex-direction:row;align-items:center;gap:10px;padding:12px;display:flex}.destination-option+.destination-option{border-top:1px solid var(--border)}.destination-option:has(input:checked){background:var(--accent-soft)}.destination-option>span{flex-direction:column;gap:3px;min-width:0;display:flex}.destination-option strong{overflow-wrap:anywhere;font-size:12px;font-weight:550}.save-dialog .notice.success{background:var(--good-soft);color:var(--good);align-items:center;gap:7px;display:flex}.topic-catalogue{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}@media (max-width:1000px){.collection-row{flex-wrap:wrap;gap:16px}.collection-row-main{flex-basis:60%}.collection-row-progress{width:160px}.topic-catalogue{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:700px){.plan-layout{grid-template-columns:minmax(0,1fr);gap:18px}.week-rail nav{flex-direction:row;max-height:none}.week-rail nav button{flex-shrink:0;gap:12px;min-width:98px}.week-rail>a{margin:10px 0}.collection-overview{gap:16px;padding:16px}.collection-overview>.collection-progress{width:100%}.collection-row{gap:14px;padding:16px}.collection-row-main{flex-basis:100%}.collection-row-progress{flex:1;max-width:240px}.collection-row-open{margin-left:auto}.resource-row{grid-template-columns:18px minmax(0,1fr) 26px;gap:8px 10px;padding:14px 12px}.resource-row-main{grid-column:2}.resource-result{flex-flow:wrap;grid-column:2;align-items:center}.resource-open{grid-area:1/3/span 2}.resource-row>input,.resource-number{grid-row:1}.week-footer button{white-space:normal}.collection-tasks-heading>span{font-size:10px}}@media (max-width:500px){.topic-catalogue{grid-template-columns:1fr}}.save-picker-fieldset{border:0;min-width:0;margin:0;padding:0}
.assistant-turn{gap:8px;min-width:0;display:grid}.assistant-turn>.chat-message{min-width:0}.tutor-visual{margin:8px 0 0}.tutor-visual img,.document-visual{border-radius:6px;max-width:100%;height:auto;display:block}.tutor-visual figcaption{color:var(--muted);margin-top:5px;font-size:10px}.tutor-artifact{border:1px solid var(--border);background:var(--surface);border-radius:6px;align-items:center;gap:9px;margin-top:8px;padding:9px;display:flex}.tutor-artifact span{flex:1;min-width:0}.tutor-artifact strong{overflow-wrap:anywhere;font-size:12px;font-weight:550;display:block}.tutor-artifact small{color:var(--muted);margin-top:2px;font-size:10px;display:block}.tutor-artifact>svg{flex-shrink:0}.tutor-navigation{align-items:center;gap:4px;margin-top:6px;font-size:11px;display:inline-flex}.tutor-tool-status{color:var(--muted);margin:6px 0 0;font-size:10px}.document-reader{max-width:1100px;margin:0 auto}.document-breadcrumb{color:var(--muted);align-items:center;gap:7px;margin-bottom:12px;font-size:11px;display:flex}.document-heading{justify-content:space-between;align-items:start;gap:20px;display:flex}.document-heading h1{overflow-wrap:anywhere;margin:0;font-size:22px;line-height:1.3}.document-heading p{color:var(--muted);margin-top:6px;font-size:11px}.document-actions{flex-shrink:0;gap:7px;display:flex}.document-actions .button,.document-actions button{align-items:center;gap:6px;font-size:11px;display:inline-flex}.document-toolbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:20px;display:flex}.document-toolbar .tabs{border-bottom:0;margin:0}.document-toolbar nav{color:var(--muted);align-items:center;gap:8px;font-size:11px;display:flex}.document-toolbar nav a{padding:7px;display:inline-flex}.document-content{background:var(--surface);border:1px solid var(--border);border-radius:8px;min-width:0;margin-top:20px;padding:24px 30px}.document-content>.markdown{max-width:780px;margin:auto}.document-content .document-visual{max-height:440px;margin:18px auto}.latex-source{tab-size:2;max-height:65dvh;margin:0;font-size:12px;line-height:1.6;overflow:auto}.document-version-note,.document-discuss-hint{color:var(--muted);margin-top:14px;font-size:11px}@media (max-width:700px){.document-heading{flex-direction:column;gap:5px}.document-heading h1{font-size:19px}.document-content{padding:16px}.document-toolbar{margin-top:14px}}.tutor-visual img{object-fit:contain;background:#fff;width:100%;max-height:230px}
