@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;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{clip-path:inset(50%);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 .smash{line-height:0;display:inline}.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}
:root{--bg:#fff;--surface:#fff;--surface-2:#f5f5f5;--border:#e4e4e4;--border-strong:#111;--text:#111;--text-muted:#555;--text-faint:#999;--accent:#111;--accent-hover:#000;--accent-soft:#f0f0f0;--ok:#111;--ok-soft:#f5f5f5;--warn:#111;--warn-soft:#f5f5f5;--bad:#111;--bad-soft:#f5f5f5;--shadow:none;--shadow-lift:none;--serif:"Charter", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", sans-serif;--mono:ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;--radius:0;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:4.5rem}body{background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;margin:0;font-size:16px;line-height:1.6;display:flex}a{color:var(--text);text-decoration:underline;-webkit-text-decoration-color:var(--text-faint);text-decoration-color:var(--text-faint);text-underline-offset:2px}a:hover{color:var(--text);-webkit-text-decoration-color:var(--text);text-decoration-color:var(--text)}.site-header{z-index:50;background:var(--bg);border-bottom:1px solid var(--text);position:sticky;top:0}.site-header-inner{align-items:baseline;gap:1rem;max-width:1080px;margin:0 auto;padding:.65rem 1.5rem;display:flex}.brand{font-family:var(--serif);letter-spacing:.01em;color:var(--text);font-size:1.25rem;font-weight:700;text-decoration:none}.brand:hover{color:var(--text);text-decoration:none}.brand .brand-mark{margin-right:.45rem}.brand-tagline{color:var(--text-faint);font-size:.8rem}main.container{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:2.25rem 1.5rem 5rem}.site-footer{border-top:1px solid var(--border);color:var(--text-faint);text-align:center;padding:1.25rem;font-size:.8rem}.breadcrumbs{color:var(--text-faint);flex-wrap:wrap;align-items:center;gap:.4rem;margin-bottom:1.5rem;font-size:.85rem;display:flex}.breadcrumbs a{color:var(--text-muted);text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}.breadcrumbs .sep{color:var(--border)}.kicker{letter-spacing:.14em;text-transform:uppercase;color:var(--text-faint);margin:0 0 .4rem;font-size:.72rem;font-weight:600}.page-title{font-family:var(--serif);letter-spacing:-.01em;text-wrap:balance;margin:0 0 .5rem;font-size:2.1rem;line-height:1.2}.page-meta{color:var(--text-muted);flex-wrap:wrap;gap:.35rem 1.4rem;margin-bottom:.25rem;font-size:.92rem;display:flex}.page-meta .meta-label{color:var(--text-faint)}.page-intro{color:var(--text-muted);max-width:46rem;margin:.25rem 0 0}.badge{border:1px solid var(--border);color:var(--text-muted);white-space:nowrap;background:0 0;border-radius:0;align-items:center;gap:.3rem;padding:.13rem .55rem;font-size:.72rem;font-weight:500;display:inline-flex}.badge-ok{color:var(--text);border-color:var(--text-muted)}.badge-warn{color:var(--text-muted)}.badge-bad{color:var(--text);border-color:var(--text)}.badge-muted{color:var(--text-faint)}.badge-accent{color:var(--text);border-color:var(--text)}.btn{font:600 .92rem var(--sans);border:1px solid var(--text);background:var(--bg);color:var(--text);cursor:pointer;border-radius:0;align-items:center;gap:.45rem;padding:.55rem 1.1rem;text-decoration:none;transition:all .15s;display:inline-flex}.btn:hover{background:var(--surface-2);color:var(--text);text-decoration:none}.btn-primary{background:var(--text);border-color:var(--text);color:var(--bg)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--bg)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.course-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.25rem;margin-top:2rem;display:grid}.course-card{background:var(--bg);border:1px solid var(--text);color:var(--text);border-radius:0;padding:1.4rem 1.5rem 1.2rem;text-decoration:none;transition:background .15s;display:block}.course-card:hover{color:var(--text);background:var(--surface-2);text-decoration:none}.course-card h2{font-family:var(--serif);text-wrap:balance;margin:.2rem 0 .5rem;font-size:1.3rem;line-height:1.3}.course-card .course-instructor{color:var(--text-muted);margin:0 0 1rem;font-size:.9rem}.course-card .course-stats{flex-wrap:wrap;gap:.5rem;display:flex}.panel{background:var(--bg);border:1px solid var(--text);border-radius:0;margin-top:1.75rem;overflow:hidden}.table-scroll{overflow-x:auto}table.lecture-table{border-collapse:collapse;width:100%;font-size:.95rem}.lecture-table th{font:600 .72rem var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);text-align:left;border-bottom:1px solid var(--text);background:var(--bg);padding:.8rem 1rem}.lecture-table td{border-bottom:1px solid var(--border);vertical-align:top;padding:.85rem 1rem}.lecture-table tr:last-child td{border-bottom:none}.lecture-table tbody tr{transition:background .12s}.lecture-table tbody tr:hover{background:var(--surface-2)}.lecture-table .num{color:var(--text-faint);font-variant-numeric:tabular-nums;width:2.5rem}.lecture-table .lecture-title{font-weight:600}.lecture-table .lecture-title .pending{color:var(--text-muted);font-weight:500}.lecture-table .materials{white-space:nowrap;color:var(--text-faint);font-size:.88rem}.lecture-table .status-cell{white-space:nowrap}.lecture-layout{grid-template-columns:minmax(0,1fr);gap:3rem;display:grid}@media (min-width:1080px){.lecture-layout{grid-template-columns:minmax(0,1fr) 230px}}.action-bar{border-top:1px solid var(--text);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:.75rem;margin:1.25rem 0 2.25rem;padding:.9rem 0;display:flex}.action-bar .spacer{flex:1}.action-bar .attempts-note{color:var(--text-faint);font-size:.85rem}.toc{border-left:1px solid var(--border);align-self:start;max-height:calc(100vh - 6rem);padding-left:1rem;font-size:.85rem;display:none;position:sticky;top:4.5rem;overflow-y:auto}@media (min-width:1080px){.toc{display:block}}.toc-title{font:600 .72rem var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin:0 0 .6rem}.toc ul{margin:0;padding:0;list-style:none}.toc li{margin:.35rem 0;line-height:1.35}.toc li.depth-3{padding-left:.9rem}.toc a{color:var(--text-muted);text-decoration:none}.toc a:hover{color:var(--text);text-decoration:none}.prose{font-family:var(--serif);max-width:44.5rem;font-size:1.04rem;line-height:1.72}.prose h2,.prose h3,.prose h4{font-family:var(--serif);letter-spacing:-.005em;margin:2.2em 0 .6em;scroll-margin-top:4.5rem;line-height:1.25}.prose h2{border-bottom:1px solid var(--text);padding-bottom:.3rem;font-size:1.55rem}.prose h3{font-size:1.22rem}.prose h4{font-size:1.05rem}.prose p{margin:.9em 0}.prose ul,.prose ol{margin:.9em 0;padding-left:1.6em}.prose li{margin:.3em 0}.prose blockquote{border-left:3px solid var(--text);color:var(--text-muted);background:0 0;border-radius:0;margin:1.2em 0;padding:.6em 1.2em}.prose blockquote p{margin:.4em 0}.prose code{font-family:var(--mono);background:var(--surface-2);border:1px solid var(--border);border-radius:0;padding:.1em .35em;font-size:.85em}.prose pre{background:var(--surface-2);border:1px solid var(--border);border-radius:0;padding:1em 1.2em;font-size:.85rem;line-height:1.55;overflow-x:auto}.prose pre code{font-size:inherit;background:0 0;border:none;padding:0}.prose table{border-collapse:collapse;font-family:var(--sans);max-width:100%;margin:1.2em 0;font-size:.9rem;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);text-align:left;padding:.45em .8em}.prose th{background:var(--surface-2)}.prose img{max-width:100%}.prose hr{border:none;border-top:1px solid var(--border);margin:2.5em 0}.prose .timestamp{font-family:var(--mono);color:var(--text-faint);border:1px solid var(--border);vertical-align:.15em;white-space:nowrap;background:0 0;border-radius:0;padding:.1em .45em;font-size:.72em;font-weight:500}.prose .math-display{margin:1em 0;padding:.35em 0;overflow-x:auto}.prose .math-display .katex-display{margin:0}.prose .katex{font-size:1.06em}.quiz-list{flex-direction:column;gap:1.4rem;max-width:46rem;margin-top:2rem;display:flex}.question-card{background:var(--bg);border:1px solid var(--text);border-radius:0;padding:1.4rem 1.6rem;scroll-margin-top:5rem;transition:border-color .2s}.question-card.missing{border-style:dashed}.question-num{font:600 .72rem var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin:0 0 .35rem}.question-text{font-family:var(--serif);margin:0 0 1.1rem;font-size:1.12rem;font-weight:600;line-height:1.45}.option{border:1px solid var(--border);cursor:pointer;border-radius:0;align-items:flex-start;gap:.7rem;margin:.5rem 0;padding:.7rem .9rem;font-size:.95rem;line-height:1.5;transition:background .12s,border-color .12s;display:flex}.option:hover{border-color:var(--text-muted)}.option input{accent-color:var(--text);flex-shrink:0;margin-top:.28rem}.option.selected{border-color:var(--text);background:var(--surface-2)}.missing-hint{color:var(--text);margin-top:.6rem;font-size:.85rem;font-weight:600}.quiz-footer{background:var(--bg);border-top:1px solid var(--text);align-items:center;gap:1rem;max-width:46rem;margin-top:2rem;padding:.9rem 0 1.1rem;display:flex;position:sticky;bottom:0}.quiz-progress{color:var(--text-muted);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:.9rem}.quiz-progress-bar{background:var(--surface-2);border:1px solid var(--border);border-radius:0;flex:1;height:6px;overflow:hidden}.quiz-progress-fill{background:var(--text);border-radius:0;height:100%;transition:width .25s}.quiz-error{color:var(--text);font-size:.88rem;font-weight:600}.score-card{background:var(--bg);border:1px solid var(--text);border-radius:0;align-items:center;gap:1.6rem;max-width:46rem;margin-top:1.5rem;padding:1.8rem 2rem;display:flex}.score-ring{flex-shrink:0;width:92px;height:92px}.score-ring .score-label{font:700 1.05rem var(--sans);fill:var(--text)}.score-headline{font-family:var(--serif);margin:0 0 .25rem;font-size:1.35rem;font-weight:700}.score-sub{color:var(--text-muted);margin:0;font-size:.92rem}.result-option{border:1px solid var(--border);border-radius:0;align-items:flex-start;gap:.7rem;margin:.5rem 0;padding:.7rem .9rem;font-size:.93rem;line-height:1.5;display:flex}.result-option .marker{text-align:center;flex-shrink:0;width:1.2rem;font-weight:700}.result-option.correct{border:1.5px solid var(--text);background:var(--surface-2)}.result-option.chosen-wrong{border:1.5px dashed var(--text)}.result-option .explanation{color:var(--text-muted);margin-top:.3rem;font-size:.86rem;display:block}.result-verdict{margin-top:.2rem;font-size:.85rem;font-weight:600}.result-verdict.good{color:var(--text)}.result-verdict.bad{color:var(--text-muted)}table.stats-table{border-collapse:collapse;width:100%;font-size:.9rem}.stats-table th{font:600 .72rem var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);text-align:left;border-bottom:1px solid var(--text);background:var(--bg);padding:.75rem 1rem}.stats-table td{border-bottom:1px solid var(--border);vertical-align:top;padding:.75rem 1rem}.stats-table tr:last-child td{border-bottom:none}.stats-table .metric{font-variant-numeric:tabular-nums;font-family:var(--mono);white-space:nowrap;font-size:.85rem}.stats-table .reason{color:var(--text-muted);font-size:.85rem}.thresholds-note{color:var(--text-muted);max-width:46rem;margin-top:1rem;font-size:.88rem}.section-title{font-family:var(--serif);margin:2.75rem 0 .25rem;font-size:1.4rem}.retake-warning{color:var(--text);background:var(--surface-2);border:1px solid var(--text);border-radius:0;max-width:46rem;margin:1rem 0 .5rem;padding:.85rem 1.1rem}.empty-note{color:var(--text-muted);border:1px dashed var(--text-muted);text-align:center;background:0 0;border-radius:0;margin-top:2rem;padding:2rem}.form-card{flex-direction:column;gap:1.25rem;max-width:34rem;margin-top:2rem;display:flex}.field{flex-direction:column;gap:.35rem;display:flex}.field label{font:600 .72rem var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}.field .hint{color:var(--text-faint);font-size:.8rem}.field input[type=text],.field input[type=url]{font:400 .95rem var(--sans);color:var(--text);background:var(--bg);border:1px solid var(--text-muted);border-radius:0;outline:none;padding:.55rem .75rem}.field input[type=text]:focus,.field input[type=url]:focus{border-color:var(--text)}.field input[type=file]{font:400 .85rem var(--sans);color:var(--text-muted)}.fieldset{border:1px solid var(--border);flex-direction:column;gap:.9rem;padding:1rem 1.1rem 1.2rem;display:flex}.fieldset legend,.fieldset .fieldset-title{font:600 .72rem var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--text);margin:0;padding:0}.form-actions{align-items:center;gap:1rem;display:flex}.form-error{color:var(--text);border:1px solid var(--text);padding:.6rem .9rem;font-size:.88rem;font-weight:600}.form-status{color:var(--text-muted);font-size:.88rem}
