@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:"0.18.7"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;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 .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.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 .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{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 .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{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 .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .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 .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 .reflectbox{display:inline-block;transform:scaleX(-1)}.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>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
:root{--md-primary:#a8380f;--md-on-primary:#fff;--md-primary-container:#ffdbd0;--md-on-primary-container:#3a0b00;--md-primary-bright:#eb693d;--md-brand-field:#c2461b;--md-on-brand-field:#fff;--md-inverse-primary:#ffb59e;--md-secondary:#00696c;--md-on-secondary:#fff;--md-secondary-container:#80f4f9;--md-on-secondary-container:#002021;--md-tertiary:#67519c;--md-on-tertiary:#fff;--md-tertiary-container:#e9ddff;--md-on-tertiary-container:#230655;--md-error:#a5345e;--md-on-error:#fff;--md-error-container:#ffd9e1;--md-on-error-container:#3f001b;--md-success:#266b35;--md-on-success:#fff;--md-success-container:#aaf4af;--md-on-success-container:#002108;--md-warning:#7c5800;--md-on-warning:#fff;--md-warning-container:#ffdea7;--md-on-warning-container:#271900;--md-info:#0b61a4;--md-on-info:#fff;--md-info-container:#d2e4ff;--md-on-info-container:#001c37;--md-surface:#fff8f5;--md-surface-dim:#e3d8d1;--md-surface-bright:#fff8f5;--md-surface-container-lowest:#fff;--md-surface-container-low:#fdf1ea;--md-surface-container:#f7ece5;--md-surface-container-high:#f2e6df;--md-surface-container-highest:#ece0da;--md-on-surface:#201b17;--md-on-surface-variant:#524439;--md-outline:#857467;--md-outline-variant:#d7c3b4;--md-inverse-surface:#352f2b;--md-inverse-on-surface:#faefe8;--md-scrim:#000;--md-shadow:#000;--md-field-math:#ffded5;--md-field-math-ink:#4b1100;--md-field-math-ink-2:#7c2d12;--md-field-math-accent:#aa5032;--md-field-chem:#c3f0d1;--md-field-chem-ink:#002d18;--md-field-chem-ink-2:#005230;--md-field-chem-accent:#007a4b;--md-field-phys:#d4e7ff;--md-field-phys-ink:#002844;--md-field-phys-ink-2:#004a78;--md-field-phys-accent:#0f6faf;--md-field-practice:#fce3a3;--md-field-practice-ink:#302400;--md-field-practice-ink-2:#574400;--md-field-practice-accent:#826700;--md-field-plan:#ece0ff;--md-field-plan-ink:#2e0f67;--md-field-plan-ink-2:#50378a;--md-field-plan-accent:#755cb1;--md-field-tutor:#baeff1;--md-field-tutor-ink:#002b2c;--md-field-tutor-ink-2:#004f52;--md-field-tutor-accent:#00777a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media screen and (prefers-color-scheme:dark){:root:not([data-theme=light]):not([data-theme=sepia]){--md-primary:#ffb59e;--md-on-primary:#5e1700;--md-primary-container:#842500;--md-on-primary-container:#ffdbd0;--md-primary-bright:#ff8b66;--md-brand-field:#842500;--md-on-brand-field:#ffdbd0;--md-inverse-primary:#a8380f;--md-secondary:#62d8dc;--md-on-secondary:#003738;--md-secondary-container:#004f52;--md-on-secondary-container:#80f4f9;--md-tertiary:#d0bcff;--md-on-tertiary:#38216a;--md-tertiary-container:#4f3983;--md-on-tertiary-container:#e9ddff;--md-error:#ffb1c5;--md-on-error:#650030;--md-error-container:#861b46;--md-on-error-container:#ffd9e1;--md-success:#8fd795;--md-on-success:#003913;--md-success-container:#035320;--md-on-success-container:#aaf4af;--md-warning:#fabc3a;--md-on-warning:#412d00;--md-warning-container:#5e4200;--md-on-warning-container:#ffdea7;--md-info:#a0c9ff;--md-on-info:#003259;--md-info-container:#00497f;--md-on-info-container:#d2e4ff;--md-surface:#17120f;--md-surface-dim:#17120f;--md-surface-bright:#3e3833;--md-surface-container-lowest:#120d0a;--md-surface-container-low:#201b17;--md-surface-container:#241f1b;--md-surface-container-high:#2f2925;--md-surface-container-highest:#3a342f;--md-on-surface:#ece0da;--md-on-surface-variant:#d7c3b4;--md-outline:#a08d80;--md-outline-variant:#524439;--md-inverse-surface:#ece0da;--md-inverse-on-surface:#352f2b;--md-scrim:#000;--md-shadow:#000;--md-field-math:#582e20;--md-field-math-ink:#ffe2da;--md-field-math-ink-2:#ffb59e;--md-field-math-accent:#ffa183;--md-field-chem:#19412b;--md-field-chem-ink:#98fdc1;--md-field-chem-ink-2:#77daa1;--md-field-chem-accent:#69cc94;--md-field-phys:#1e3b56;--md-field-phys-ink:#d9eaff;--md-field-phys-ink-2:#99cbff;--md-field-phys-accent:#7bbeff;--md-field-practice:#463807;--md-field-practice-ink:#ffe6a6;--md-field-practice-ink-2:#eac248;--md-field-practice-accent:#dbb53c;--md-field-plan:#3e3357;--md-field-plan-ink:#eee4ff;--md-field-plan-ink-2:#d0bcff;--md-field-plan-accent:#c4acff;--md-field-tutor:#004042;--md-field-tutor-ink:#82fbff;--md-field-tutor-ink-2:#4cd9de;--md-field-tutor-accent:#38cbd0;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}@media screen{:root[data-theme=dark]{--md-primary:#ffb59e;--md-on-primary:#5e1700;--md-primary-container:#842500;--md-on-primary-container:#ffdbd0;--md-primary-bright:#ff8b66;--md-brand-field:#842500;--md-on-brand-field:#ffdbd0;--md-inverse-primary:#a8380f;--md-secondary:#62d8dc;--md-on-secondary:#003738;--md-secondary-container:#004f52;--md-on-secondary-container:#80f4f9;--md-tertiary:#d0bcff;--md-on-tertiary:#38216a;--md-tertiary-container:#4f3983;--md-on-tertiary-container:#e9ddff;--md-error:#ffb1c5;--md-on-error:#650030;--md-error-container:#861b46;--md-on-error-container:#ffd9e1;--md-success:#8fd795;--md-on-success:#003913;--md-success-container:#035320;--md-on-success-container:#aaf4af;--md-warning:#fabc3a;--md-on-warning:#412d00;--md-warning-container:#5e4200;--md-on-warning-container:#ffdea7;--md-info:#a0c9ff;--md-on-info:#003259;--md-info-container:#00497f;--md-on-info-container:#d2e4ff;--md-surface:#17120f;--md-surface-dim:#17120f;--md-surface-bright:#3e3833;--md-surface-container-lowest:#120d0a;--md-surface-container-low:#201b17;--md-surface-container:#241f1b;--md-surface-container-high:#2f2925;--md-surface-container-highest:#3a342f;--md-on-surface:#ece0da;--md-on-surface-variant:#d7c3b4;--md-outline:#a08d80;--md-outline-variant:#524439;--md-inverse-surface:#ece0da;--md-inverse-on-surface:#352f2b;--md-scrim:#000;--md-shadow:#000;--md-field-math:#582e20;--md-field-math-ink:#ffe2da;--md-field-math-ink-2:#ffb59e;--md-field-math-accent:#ffa183;--md-field-chem:#19412b;--md-field-chem-ink:#98fdc1;--md-field-chem-ink-2:#77daa1;--md-field-chem-accent:#69cc94;--md-field-phys:#1e3b56;--md-field-phys-ink:#d9eaff;--md-field-phys-ink-2:#99cbff;--md-field-phys-accent:#7bbeff;--md-field-practice:#463807;--md-field-practice-ink:#ffe6a6;--md-field-practice-ink-2:#eac248;--md-field-practice-accent:#dbb53c;--md-field-plan:#3e3357;--md-field-plan-ink:#eee4ff;--md-field-plan-ink-2:#d0bcff;--md-field-plan-accent:#c4acff;--md-field-tutor:#004042;--md-field-tutor-ink:#82fbff;--md-field-tutor-ink-2:#4cd9de;--md-field-tutor-accent:#38cbd0;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=sepia]{--md-primary:#a8380f;--md-on-primary:#fff;--md-primary-container:#ffdbd0;--md-on-primary-container:#3a0b00;--md-primary-bright:#eb693d;--md-brand-field:#c2461b;--md-on-brand-field:#fff;--md-inverse-primary:#ffb59e;--md-secondary:#00696c;--md-on-secondary:#fff;--md-secondary-container:#80f4f9;--md-on-secondary-container:#002021;--md-tertiary:#67519c;--md-on-tertiary:#fff;--md-tertiary-container:#e9ddff;--md-on-tertiary-container:#230655;--md-error:#a5345e;--md-on-error:#fff;--md-error-container:#ffd9e1;--md-on-error-container:#3f001b;--md-success:#266b35;--md-on-success:#fff;--md-success-container:#aaf4af;--md-on-success-container:#002108;--md-warning:#7c5800;--md-on-warning:#fff;--md-warning-container:#ffdea7;--md-on-warning-container:#271900;--md-info:#0b61a4;--md-on-info:#fff;--md-info-container:#d2e4ff;--md-on-info-container:#001c37;--md-surface:#ffeedc;--md-surface-dim:#e6d1b8;--md-surface-bright:#fff5ec;--md-surface-container-lowest:#fff8f4;--md-surface-container-low:#fee8ce;--md-surface-container:#f8e2c8;--md-surface-container-high:#efd9c0;--md-surface-container-highest:#e6d1b8;--md-on-surface:#241a0a;--md-on-surface-variant:#57432b;--md-outline:#8b7358;--md-outline-variant:#dfc2a2;--md-inverse-surface:#3b2e1d;--md-inverse-on-surface:#ffeedc;--md-scrim:#000;--md-shadow:#000;--md-field-math:#ffd3c6;--md-field-math-ink:#4b1100;--md-field-math-ink-2:#7c2d12;--md-field-math-accent:#aa5032;--md-field-chem:#bbe7c8;--md-field-chem-ink:#002d18;--md-field-chem-ink-2:#005230;--md-field-chem-accent:#007a4b;--md-field-phys:#c5dfff;--md-field-phys-ink:#002844;--md-field-phys-ink-2:#004a78;--md-field-phys-accent:#0f6faf;--md-field-practice:#f3db9c;--md-field-practice-ink:#302400;--md-field-practice-ink-2:#574400;--md-field-practice-accent:#826700;--md-field-plan:#e4d6ff;--md-field-plan-ink:#2e0f67;--md-field-plan-ink-2:#50378a;--md-field-plan-accent:#755cb1;--md-field-tutor:#b1e6e8;--md-field-tutor-ink:#002b2c;--md-field-tutor-ink-2:#004f52;--md-field-tutor-accent:#00777a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root{--md-field-coral:var(--md-field-math);--md-field-coral-ink:var(--md-field-math-ink);--md-field-coral-ink-2:var(--md-field-math-ink-2);--md-field-coral-accent:var(--md-field-math-accent);--md-field-mint:var(--md-field-chem);--md-field-mint-ink:var(--md-field-chem-ink);--md-field-mint-ink-2:var(--md-field-chem-ink-2);--md-field-mint-accent:var(--md-field-chem-accent);--md-field-sky:var(--md-field-phys);--md-field-sky-ink:var(--md-field-phys-ink);--md-field-sky-ink-2:var(--md-field-phys-ink-2);--md-field-sky-accent:var(--md-field-phys-accent);--md-field-lemon:var(--md-field-practice);--md-field-lemon-ink:var(--md-field-practice-ink);--md-field-lemon-ink-2:var(--md-field-practice-ink-2);--md-field-lemon-accent:var(--md-field-practice-accent);--md-field-lilac:var(--md-field-plan);--md-field-lilac-ink:var(--md-field-plan-ink);--md-field-lilac-ink-2:var(--md-field-plan-ink-2);--md-field-lilac-accent:var(--md-field-plan-accent);--md-field-teal:var(--md-field-tutor);--md-field-teal-ink:var(--md-field-tutor-ink);--md-field-teal-ink-2:var(--md-field-tutor-ink-2);--md-field-teal-accent:var(--md-field-tutor-accent);--overlay:color-mix(in srgb, var(--md-scrim) 32%, transparent);--font-sans:"Roboto Flex Variable", "Roboto Flex", "Roboto Flex Fallback", Roboto, "Segoe UI", Helvetica, Arial, sans-serif;--font-serif:"Literata Variable", Literata, "Literata Fallback", Georgia, "Times New Roman", serif;--font-mono:"JetBrains Mono Variable", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;--font-ui:var(--font-sans);--font-prose:var(--font-sans);--md-display-l:400 57px/64px var(--font-ui);--md-display-l-tracking:-.25px;--md-display-m:400 45px/52px var(--font-ui);--md-display-m-tracking:0px;--md-display-s:400 36px/44px var(--font-ui);--md-display-s-tracking:0px;--md-headline-l:400 32px/40px var(--font-ui);--md-headline-l-tracking:0px;--md-headline-m:400 28px/36px var(--font-ui);--md-headline-m-tracking:0px;--md-headline-s:400 24px/32px var(--font-ui);--md-headline-s-tracking:0px;--md-title-l:400 22px/28px var(--font-ui);--md-title-l-tracking:0px;--md-title-m:500 16px/24px var(--font-ui);--md-title-m-tracking:.15px;--md-title-s:500 14px/20px var(--font-ui);--md-title-s-tracking:.1px;--md-body-l:400 16px/24px var(--font-ui);--md-body-l-tracking:.5px;--md-body-m:400 14px/20px var(--font-ui);--md-body-m-tracking:.25px;--md-body-s:400 12px/16px var(--font-ui);--md-body-s-tracking:.4px;--md-label-l:500 14px/20px var(--font-ui);--md-label-l-tracking:.1px;--md-label-m:500 12px/16px var(--font-ui);--md-label-m-tracking:.5px;--md-label-s:500 11px/16px var(--font-ui);--md-label-s-tracking:.5px;--size:19px;--leading:1.65;--measure:38em;--math-scale:1.04;--size-ui:16px;--size-display:45px;--size-title:36px;--size-heading:24px;--size-summary:1.12em;--md-shape-none:0px;--md-shape-xs:4px;--md-shape-s:8px;--md-shape-m:12px;--md-shape-l:16px;--md-shape-xl:28px;--md-shape-full:9999px;--md-elevation-0:none;--md-elevation-1:0 1px 2px 0 #0000004d, 0 1px 3px 1px #00000026;--md-elevation-2:0 1px 2px 0 #0000004d, 0 2px 6px 2px #00000026;--md-elevation-3:0 1px 3px 0 #0000004d, 0 4px 8px 3px #00000026;--md-elevation-4:0 2px 3px 0 #0000004d, 0 6px 10px 4px #00000026;--md-elevation-5:0 4px 4px 0 #0000004d, 0 8px 12px 6px #00000026;--md-state-hover:.08;--md-state-focus:.1;--md-state-pressed:.1;--md-state-dragged:.16;--md-disabled-content:.38;--md-disabled-container:.12;--md-ease-standard:cubic-bezier(.2, 0, 0, 1);--md-ease-standard-decelerate:cubic-bezier(0, 0, 0, 1);--md-ease-standard-accelerate:cubic-bezier(.3, 0, 1, 1);--md-ease-emphasized-decelerate:cubic-bezier(.05, .7, .1, 1);--md-ease-emphasized-accelerate:cubic-bezier(.3, 0, .8, .15);--md-duration-short1:50ms;--md-duration-short2:.1s;--md-duration-short3:.15s;--md-duration-short4:.2s;--md-duration-medium1:.25s;--md-duration-medium2:.3s;--md-duration-medium3:.35s;--md-duration-medium4:.4s;--md-duration-long1:.45s;--md-duration-long2:.5s;--md-spring-fast-spatial:linear(0, .029, .105, .21, .331, .458, .581, .695, .796, .882, .952, 1.006, 1.045, 1.072, 1.088, 1.094, 1.094, 1.088, 1.079, 1.069, 1.057, 1.045, 1.033, 1.023, 1.015, 1.007, 1.002, .997, .994, .992, .991, .991, .991, .992, .993, .994, .995, .996, .997, .998, 1);--md-spring-fast-spatial-duration:.27s;--md-spring-default-spatial:linear(0, .019, .068, .136, .216, .302, .389, .473, .552, .626, .692, .751, .802, .846, .883, .914, .939, .96, .976, .988, .998, 1.005, 1.009, 1.013, 1.014, 1.015, 1.015, 1.015, 1.014, 1.013, 1.011, 1.01, 1.009, 1.007, 1.006, 1.005, 1.004, 1.003, 1.003, 1.002, 1);--md-spring-default-spatial-duration:.42s;--md-spring-bouncy:linear(0, .043, .154, .305, .474, .64, .792, .92, 1.021, 1.093, 1.138, 1.159, 1.162, 1.151, 1.13, 1.104, 1.076, 1.05, 1.026, 1.007, .992, .982, .976, .974, .974, .976, .98, .985, .989, .993, .997, 1, 1.002, 1.003, 1.004, 1.004, 1.004, 1.004, 1.003, 1.002, 1);--md-spring-bouncy-duration:.56s;--md-rail-w:80px;--md-navbar-h:80px;--bar-h:64px;--shell-inset-left:0px;--shell-inset-bottom:0px;--page-max:1240px;--gutter:24px;--page-inset:calc(max(0px, (100% - var(--page-max)) / 2) + var(--gutter));--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-9:96px;--touch:48px;--focus-ring:3px solid var(--md-primary);--focus-offset:2px}@media (min-width:600px){:root:has(.navrail){--shell-inset-left:var(--md-rail-w)}}@media not (min-width:1024px){:root{--size:17.5px}}@media not (min-width:600px){:root{--bar-h:56px;--gutter:16px;--size-display:36px;--size-title:28px;--size-heading:22px;--md-display-l:400 45px/52px var(--font-ui);--md-display-m:400 36px/44px var(--font-ui);--md-display-s:400 32px/40px var(--font-ui);--md-headline-l:400 28px/36px var(--font-ui)}:root:has(.navrail){--shell-inset-bottom:calc(var(--md-navbar-h) + env(safe-area-inset-bottom,0px))}:root:has(.atom-page){--shell-inset-bottom:0px}}@media (not (min-width:600px)) and (max-height:480px){:root{--bar-h:0px}}:root[data-font=serif]{--font-prose:var(--font-serif)}
@font-face{font-family:Roboto Flex Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(../media/roboto-flex-greek-wght-normal.1aqbcx52ta1m5.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:Roboto Flex Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(../media/roboto-flex-latin-wght-normal.2othhty-p551a.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}@font-face{font-family:Literata Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(../media/literata-greek-wght-normal.265p0n5hqb5i6.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:Literata Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(../media/literata-latin-wght-normal.3mrjy5df0dr0p.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}@font-face{font-family:Literata Variable;font-style:italic;font-display:swap;font-weight:200 900;src:url(../media/literata-greek-wght-italic.0uy9_na1qudih.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:Literata Variable;font-style:italic;font-display:swap;font-weight:200 900;src:url(../media/literata-latin-wght-italic.120dhthqwff3f.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}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(../media/jetbrains-mono-greek-wght-normal.1k07jbkicvzf3.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:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(../media/jetbrains-mono-latin-wght-normal.2rmhnsrc80fag.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}@font-face{font-family:Roboto Flex Fallback;src:local(Arial),local(ArialMT);size-adjust:101.3%;ascent-override:91.8%;descent-override:23.7%;line-gap-override:0%}@font-face{font-family:Literata Fallback;src:local(Georgia);size-adjust:102.1%}
*,:before,:after{box-sizing:border-box}[hidden]{display:none!important}html{background:var(--md-surface);color:var(--md-on-surface);-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--bar-h) + 24px);scroll-padding-bottom:calc(var(--shell-inset-bottom) + var(--space-4))}body{min-height:100vh;padding-left:var(--shell-inset-left);padding-bottom:var(--shell-inset-bottom);background:var(--md-surface);color:var(--md-on-surface);font-family:var(--font-ui);font-size:var(--size-ui);letter-spacing:var(--md-body-l-tracking);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;margin:0;line-height:1.5;display:flex}a{color:var(--md-primary);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}button,input,select,textarea{font:inherit;color:inherit;letter-spacing:inherit}button,summary,a,input,select,textarea{-webkit-tap-highlight-color:transparent}input[type=checkbox],input[type=radio],progress{accent-color:var(--md-primary)}:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}::selection{background:var(--md-secondary-container);color:var(--md-on-secondary-container)}mark{border-radius:var(--md-shape-xs);background:var(--md-warning-container);color:var(--md-on-warning-container);padding:0 2px}.sr,.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.spacer{flex:1}.figures{font-variant-numeric:tabular-nums lining-nums}.on-variant{color:var(--field-ink-2,var(--md-on-surface-variant))}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}:root[data-motion=less] *,:root[data-motion=less] :before,:root[data-motion=less] :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}@keyframes pop{0%{opacity:0;transform:translateY(-4px)scale(.98)}to{opacity:1;transform:none}}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes fade{0%{opacity:0}to{opacity:1}}@keyframes md-rise{0%{opacity:0;transform:translateY(24px)scale(.98)}}@keyframes md-fade-through{0%{opacity:0;transform:scale(.96)}}@keyframes md-card-in{0%{opacity:0;transform:translateY(-8px)scale(.97)}}@keyframes md-pop{0%{transform:scale(0)}60%{transform:scale(1.2)}to{transform:none}}@keyframes md-shake{20%,60%{transform:translate(-3px)}40%,80%{transform:translate(3px)}}@keyframes md-grow{0%{transform:scaleX(0)}}@keyframes md-indicator{0%{opacity:.4;transform:scaleX(.3)}}@keyframes md-ripple{0%{opacity:.16;transform:scale(0)}70%{opacity:.16}to{opacity:0;transform:scale(1)}}@keyframes md-sheet-right{0%{transform:translate(100%)}}@keyframes md-sheet-up{0%{transform:translateY(100%)}}@keyframes md-bar-scrolled{to{background-color:var(--md-surface-container)}}.md-display-l{font:var(--md-display-l);letter-spacing:var(--md-display-l-tracking)}.md-display-m{font:var(--md-display-m);letter-spacing:var(--md-display-m-tracking)}.md-display-s{font:var(--md-display-s);letter-spacing:var(--md-display-s-tracking)}.md-headline-l{font:var(--md-headline-l);letter-spacing:var(--md-headline-l-tracking)}.md-headline-m{font:var(--md-headline-m);letter-spacing:var(--md-headline-m-tracking)}.md-headline-s{font:var(--md-headline-s);letter-spacing:var(--md-headline-s-tracking)}.md-title-l{font:var(--md-title-l);letter-spacing:var(--md-title-l-tracking)}.md-title-m{font:var(--md-title-m);letter-spacing:var(--md-title-m-tracking)}.md-title-s{font:var(--md-title-s);letter-spacing:var(--md-title-s-tracking)}.md-body-l{font:var(--md-body-l);letter-spacing:var(--md-body-l-tracking)}.md-body-m{font:var(--md-body-m);letter-spacing:var(--md-body-m-tracking)}.md-body-s{font:var(--md-body-s);letter-spacing:var(--md-body-s-tracking)}.md-label-l{font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking)}.md-label-m{font:var(--md-label-m);letter-spacing:var(--md-label-m-tracking)}.md-label-s{font:var(--md-label-s);letter-spacing:var(--md-label-s-tracking)}:is(.md-display-l,.md-display-m,.md-display-s,.md-headline-l,.md-headline-m,.md-headline-s,.md-title-l){text-wrap:balance}.display{font-family:var(--font-ui);font-size:var(--size-display);letter-spacing:0;text-wrap:balance;margin:0;font-weight:400;line-height:1.16}.heading{font-family:var(--font-ui);font-size:var(--size-heading);letter-spacing:0;text-wrap:balance;margin:0;font-weight:400;line-height:1.33}.lead{letter-spacing:.2px;max-width:40em;color:var(--field-ink-2,var(--md-on-surface-variant));margin:0;font-size:18px;line-height:28px}.i{fill:currentColor;stroke:none;vertical-align:-.28em;flex:none;width:20px;height:20px}.i.s{vertical-align:-.2em;width:16px;height:16px}.i.l{vertical-align:-.36em;width:24px;height:24px}:where(.brand-mark,.brand-lockup){--brand-key:var(--md-primary);--brand-key-letter:var(--md-on-primary);--brand-tile:var(--md-surface-container-high);--brand-letter:var(--md-on-surface);--brand-domain:var(--md-on-surface-variant)}.brand-face{fill:var(--brand-tile)}.brand-letter{fill:var(--brand-letter)}.brand-key .brand-face{fill:var(--brand-key)}.brand-key .brand-letter{fill:var(--brand-key-letter)}.brand-domain{fill:var(--brand-domain)}.brand-mark,.brand-lockup{overflow:visible}.brand-tile{transform-box:fill-box;transform-origin:50% 60%}@media (prefers-reduced-motion:no-preference){:root:not([data-motion=less]) .brand-lockup .brand-tile{transition:transform var(--md-duration-medium4) var(--md-ease-emphasized-decelerate)}:root:not([data-motion=less]) .brand-lockup .brand-tile :is(.brand-face,.brand-letter){transition:fill var(--md-duration-medium2) var(--md-ease-standard)}@media (hover:hover){:root:not([data-motion=less]) .brand-lockup .brand-tile:hover{transform:rotate(calc(var(--tilt) * -1)) translateY(-12%) scale(1.08)}:root:not([data-motion=less]) .brand-lockup .brand-tile:hover .brand-face{fill:var(--brand-key)}:root:not([data-motion=less]) .brand-lockup .brand-tile:hover .brand-letter{fill:var(--brand-key-letter)}:root:not([data-motion=less]) .brand-lockup g:has(>.brand-tile:hover)+g>.brand-tile{transform:translateY(-4%)}:root:not([data-motion=less]) .brand-lockup g:has(+g>.brand-tile:hover)>.brand-tile{transform:translateY(-4%)}:root:not([data-motion=less]) :is(a:hover,button:hover)>.brand-mark .brand-tile,:root:not([data-motion=less]) .brand-mark:hover .brand-tile{animation:.82s linear both brand-hop-mark}}:root:not([data-motion=less]) .brand-intro .brand-tile{animation:brand-drop .64s var(--md-spring-bouncy) calc(.12s + var(--i) * 90ms) backwards, brand-hop .48s var(--md-ease-emphasized-decelerate) calc(.86s + var(--i) * 70ms)}:root:not([data-motion=less]) .brand-intro .brand-domain{animation:brand-fade .4s var(--md-ease-standard) .65s backwards}}@keyframes brand-hop-mark{0%{animation-timing-function:cubic-bezier(.3,0,.6,1);transform:none}14%{animation-timing-function:cubic-bezier(.2,.8,.4,1);transform:translateY(6%)scale(1.14,.82)}42%{transform:translateY(-30%) rotate(calc(var(--tilt) * -1)) scale(.9, 1.12);animation-timing-function:cubic-bezier(.6,0,.8,.4)}64%{animation-timing-function:cubic-bezier(.2,.8,.4,1);transform:translateY(5%)scale(1.12,.86)}80%{transform:translateY(-6%)scale(.97,1.03)}to{transform:none}}@keyframes brand-wiggle{30%{transform:rotate(14deg)scale(1.12)}55%{transform:rotate(-7deg)scale(1.05)}78%{transform:rotate(3deg)scale(1.02)}}@keyframes brand-drop{0%{opacity:0;transform:translateY(-55%)rotate(-18deg)scale(.7)}}@keyframes brand-hop{40%{translate:0 -12%}}@keyframes brand-fade{0%{opacity:0;translate:-8%}}.bg-burst{left:var(--burst-x);top:var(--burst-y);pointer-events:none;z-index:50;width:0;height:0;position:fixed}.bg-burst>i{background:var(--tile);width:7px;height:8px;animation:bg-burst .52s var(--md-ease-emphasized-decelerate) forwards;border-radius:2px;position:absolute;top:-4px;left:-3.5px}@keyframes bg-burst{0%{opacity:.7;transform:translate(0)scale(.4)rotate(0)}to{transform:translate(var(--dx), var(--dy)) scale(.9) rotate(var(--turn));opacity:0}}:where(.btn,.iconbtn,.fab,.chip,.nav-ind,.navrail-brand,.topbar-brand,.footer a,.list-item,a.card,.seg button,.seg>a,.stepper button){isolation:isolate;position:relative}:where(.btn:not(.link),.iconbtn,.fab,a.chip,button.chip,label.chip,.nav-ind,.navrail-brand,.topbar-brand,.footer a,a.list-item,button.list-item,summary.list-item,a.card,.seg button,.stepper button):before{content:"";z-index:-1;border-radius:inherit;opacity:0;pointer-events:none;transition:opacity var(--md-duration-short3) linear;background:currentColor;position:absolute;inset:0}@media (hover:hover){:where(.btn:not(.link),.iconbtn,.fab,a.chip,button.chip,label.chip,.navrail-brand,.topbar-brand,.footer a,a.list-item,button.list-item,summary.list-item,a.card,.seg button,.stepper button):hover:before,:where(.nav-dest:hover .nav-ind):before{opacity:var(--md-state-hover)}}:where(.btn:not(.link),.iconbtn,.fab,a.chip,button.chip,label.chip,.navrail-brand,.topbar-brand,.footer a,a.list-item,button.list-item,summary.list-item,a.card,.seg button,.stepper button):focus-visible:before,:where(.nav-dest:focus-visible .nav-ind):before{opacity:var(--md-state-focus)}:where(.btn:not(.link),.iconbtn,.fab,a.chip,button.chip,label.chip,.navrail-brand,.topbar-brand,.footer a,a.list-item,button.list-item,summary.list-item,a.card,.seg button,.stepper button):active:before,:where(.nav-dest:active .nav-ind):before{opacity:var(--md-state-pressed)}:where(.btn,.iconbtn,.fab,.chip,.list-item,.seg button,.stepper button):is(:disabled,[aria-disabled=true]):before{display:none}.ripple{z-index:-1;border-radius:inherit;pointer-events:none;position:absolute;inset:0;overflow:hidden}.ripple:after{content:"";left:var(--ripple-x,50%);top:var(--ripple-y,50%);width:var(--ripple-size,0px);height:var(--ripple-size,0px);margin:calc(var(--ripple-size,0px) / -2) 0 0 calc(var(--ripple-size,0px) / -2);opacity:0;animation:md-ripple var(--md-duration-long1) var(--md-ease-standard) forwards;background:currentColor;border-radius:50%;position:absolute}.skip{z-index:100;border-radius:var(--md-shape-full);background:var(--md-inverse-surface);color:var(--md-inverse-on-surface);box-shadow:var(--md-elevation-3);font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);transition:transform var(--md-duration-short4) var(--md-ease-standard);padding:10px 24px;text-decoration:none;position:fixed;top:12px;left:12px;transform:translateY(-200%)}.skip:focus-visible{color:var(--md-inverse-on-surface);transform:none}.topbar{z-index:20;height:var(--bar-h);align-items:center;gap:var(--space-1);padding-inline:max(var(--space-1), calc(var(--page-inset) - var(--space-3)));background:var(--md-surface);color:var(--md-on-surface);display:flex;position:sticky;top:0}@supports (animation-timeline:scroll()){.topbar{animation:linear both md-bar-scrolled;animation-timeline:scroll(root);animation-range:0 8px}}.bar-slot{display:contents}.topbar-brand{height:48px;margin-right:var(--space-1);border-radius:var(--md-shape-full);color:var(--md-on-surface);flex:none;align-items:center;padding:0 12px 0 8px;text-decoration:none;display:none}.topbar-brand .brand-compact{display:none}body:has(.page.home) .topbar-brand{display:inline-flex}.topbar .crumbs{text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:40vw;font:var(--md-body-m);letter-spacing:var(--md-body-m-tracking);color:var(--md-on-surface-variant);overflow:hidden}.topbar .crumbs b{color:var(--md-on-surface);font-weight:500}.topbar .crumbs a{color:inherit}.topbar-title{min-width:0;padding:0 var(--space-1) 0 var(--space-3);color:var(--md-on-surface);font:var(--md-title-l);letter-spacing:var(--md-title-l-tracking);text-overflow:ellipsis;white-space:nowrap;flex:0 auto;overflow:hidden}.topbar-back+.topbar-title{padding-left:var(--space-1)}.topbar .utility-nav{align-items:center;gap:var(--space-1);flex:none;display:flex}.theme-toggle .theme-icon-light,:root[data-theme=dark] .theme-toggle .theme-icon-dark{display:none}:root[data-theme=dark] .theme-toggle .theme-icon-light{display:inline-block}@media (prefers-color-scheme:dark){:root:not([data-theme=light]):not([data-theme=sepia]) .theme-toggle .theme-icon-dark{display:none}:root:not([data-theme=light]):not([data-theme=sepia]) .theme-toggle .theme-icon-light{display:inline-block}}.navrail{z-index:19;width:var(--md-rail-w);align-items:center;gap:var(--space-2);padding:var(--space-3) 0 var(--space-4);overscroll-behavior:contain;scrollbar-width:none;border-right:1px solid var(--md-outline-variant);background:var(--md-surface);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow:hidden auto}.navrail-brand{width:56px;height:56px;margin-bottom:var(--space-2);border-radius:var(--md-shape-l);color:var(--md-on-surface);flex:none;place-items:center;display:grid}.learning-nav{align-items:center;gap:var(--space-3);flex-direction:column;display:flex}.nav-dest{align-items:center;gap:var(--space-1);width:var(--md-rail-w);min-height:56px;color:var(--md-on-surface-variant);font:var(--md-label-m);letter-spacing:var(--md-label-m-tracking);text-align:center;flex-direction:column;text-decoration:none;display:flex}.nav-dest:focus-visible{outline:none}.nav-dest:focus-visible .nav-ind{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.nav-ind{border-radius:var(--md-shape-full);width:56px;height:32px;transition:background-color var(--md-duration-short4) var(--md-ease-standard), color var(--md-duration-short4) var(--md-ease-standard);flex:none;place-items:center;display:grid}.nav-label{overflow-wrap:anywhere;max-width:100%;padding:0 4px}.nav-dest[aria-current]{color:var(--md-on-surface)}.nav-dest[aria-current] .nav-label{font-weight:700}.nav-dest[aria-current] .nav-ind{background:var(--md-secondary-container);color:var(--md-on-secondary-container);animation:md-indicator var(--md-duration-medium2) var(--md-ease-emphasized-decelerate) backwards}@media (600px<=width<1024px){body:has(.atom-page) .navrail{bottom:calc(var(--atom-bar,60px) + env(safe-area-inset-bottom,0px))}}@media (min-width:600px) and (max-height:480px){.navrail-brand{display:none}.learning-nav{gap:var(--space-1)}}main{flex:1;width:100%;min-width:0;position:relative}.footer{margin-top:var(--space-6);background:var(--md-surface-container-low);color:var(--md-on-surface-variant);font:var(--md-body-s);letter-spacing:var(--md-body-s-tracking);position:relative}.footer .inner{max-width:var(--page-max);padding:var(--space-3) var(--gutter);align-items:center;gap:var(--space-1) var(--space-5);flex-wrap:wrap;margin:0 auto;display:flex;position:relative}.footer .footer-name{font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);color:var(--md-on-surface)}.footer a{border-radius:var(--md-shape-full);min-height:40px;color:var(--md-primary);font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);align-items:center;margin:0 -12px;padding:0 12px;text-decoration:none;display:inline-flex}.page{width:100%;max-width:var(--page-max);padding:0 var(--gutter) var(--space-9);margin:0 auto;position:relative}.page.narrow{padding-top:var(--space-7)}.page.narrow:not(.admin-shell)>*{max-width:46rem;margin-inline:auto}.margin-label{font:var(--md-title-s);letter-spacing:var(--md-title-s-tracking);color:var(--md-primary);margin:0}.swipe{text-underline-offset:4px;transition:color var(--md-duration-short3) var(--md-ease-standard), text-decoration-color var(--md-duration-short3) var(--md-ease-standard);-webkit-text-decoration:underline #0000;text-decoration:underline #0000;text-decoration-thickness:2px}a:hover .swipe,a:focus-visible .swipe,summary:hover .swipe,a.swipe:hover{color:var(--md-primary);text-decoration-color:currentColor}.prose{font-family:var(--font-prose);font-size:var(--size);line-height:var(--leading);letter-spacing:0;max-width:var(--measure);text-wrap:pretty;min-width:0}.prose h1{font-size:var(--size-title);letter-spacing:0;text-wrap:balance;margin:0 0 16px;font-weight:400;line-height:1.2}.prose h2{text-wrap:balance;margin:1.8em 0 .5em;font-size:1.42em;font-weight:500;line-height:1.3}.prose h3{margin:1.5em 0 .4em;font-size:1.12em;font-weight:500;line-height:1.4}.prose p,.prose ul,.prose ol{margin:0 0 1em}.prose li+li{margin-top:.35em}.prose .summary{font-size:var(--size-summary);color:var(--md-on-surface-variant);margin:0 0 20px;font-weight:400;line-height:1.55}.prose .eyebrow{font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);color:var(--md-on-surface-variant);flex-wrap:wrap;align-items:center;gap:8px 12px;display:flex}.prose code{border-radius:var(--md-shape-xs);background:var(--md-surface-container-high);font-family:var(--font-mono);padding:0 4px;font-size:.85em}.prose pre{border-radius:var(--md-shape-m);background:var(--md-surface-container);padding:12px 16px;font-size:.85em;overflow-x:auto}.prose pre code{background:0 0;padding:0}.prose table{border-collapse:collapse;width:100%;font-family:var(--font-ui);margin:0 0 1em;font-size:.85em}.prose th,.prose td{border-bottom:1px solid var(--md-outline-variant);text-align:left;vertical-align:top;padding:10px 12px 10px 0}.prose th{border-bottom-color:var(--md-outline);font-weight:500}.prose blockquote{border-left:4px solid var(--md-primary);border-radius:var(--md-shape-xs) var(--md-shape-m) var(--md-shape-m) var(--md-shape-xs);background:var(--md-surface-container-low);color:var(--md-on-surface);margin:0 0 1em;padding:12px 16px}.prose hr{border:0;border-top:1px solid var(--md-outline-variant);margin:1.6em 0}.katex{font-size:calc(1em * var(--math-scale));text-transform:none;letter-spacing:0}.math-display{max-width:100%;margin:.7em 0;padding:6px 0;overflow:auto hidden}.math-display .katex-display{margin:0}.math-error{border-radius:var(--md-shape-xs);background:var(--md-error-container);color:var(--md-on-error-container);font-family:var(--font-mono);padding:0 4px;font-size:.85em}[data-sym]{cursor:help;transition:border-color var(--md-duration-medium1) var(--md-ease-standard);border-bottom:1px dotted #0000}[data-sym]:hover{border-bottom-color:var(--md-primary)}.typed-link{border-radius:var(--md-shape-xs) var(--md-shape-xs) 0 0;color:var(--md-primary);transition:background-color var(--md-duration-short3) var(--md-ease-standard);border-bottom:1px solid;text-decoration:none}.typed-link:hover{background:color-mix(in srgb, var(--md-primary) 10%, transparent)}.typed-link[data-link-kind=term]{color:inherit;border-bottom:1px dotted var(--md-primary)}.typed-link[data-link-kind=atom]{border:0;border-bottom:1px solid var(--md-primary);color:var(--md-primary);font-family:var(--font-ui);white-space:nowrap;background:0 0;padding:0;font-size:.86em;font-weight:500}.typed-link[data-link-kind=atom]:hover{background:color-mix(in srgb, var(--md-primary) 10%, transparent)}.typed-link[data-link-kind=ex]{font-family:var(--font-ui);font-size:.9em}.kbd{border:1px solid var(--md-outline-variant);border-radius:var(--md-shape-xs);background:var(--md-surface-container-high);min-width:20px;color:var(--md-on-surface-variant);font:500 12px/18px var(--font-mono);letter-spacing:0;text-align:center;padding:0 5px;display:inline-block}.btn{justify-content:center;align-items:center;gap:var(--space-2);border:1px solid var(--field-ink-2,var(--md-outline));border-radius:var(--md-shape-full);min-height:40px;color:var(--field-ink,var(--md-primary));font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);text-align:center;cursor:pointer;transition:box-shadow var(--md-duration-short4) var(--md-ease-standard), background-color var(--md-duration-short4) var(--md-ease-standard), color var(--md-duration-short4) var(--md-ease-standard);background:0 0;padding:9px 23px;text-decoration:none;display:inline-flex}.btn:after{content:"";position:absolute;inset:-4px 0}.btn .i{width:18px;height:18px}.btn:has(>.i:first-child){padding-left:15px}.btn:is(.primary,.filled){background:var(--md-primary);color:var(--md-on-primary);border-color:#0000}@media (hover:hover){.btn:is(.primary,.filled,.ink,.error):hover{box-shadow:var(--md-elevation-1)}}.btn.tonal{background:var(--md-secondary-container);color:var(--md-on-secondary-container);border-color:#0000}.btn.text{border-color:#0000;padding-inline:11px}.btn.text:has(>.i:first-child){padding-left:11px}.btn.ink{background:var(--field-ink,var(--md-primary));color:var(--field,var(--md-on-primary));border-color:#0000}.btn.error{background:var(--md-error);color:var(--md-on-error);border-color:#0000}.btn.danger{color:var(--md-error)}.btn.small{min-height:32px;padding:5px 15px}.btn.small:after{inset:-8px 0}.btn.icon{min-width:40px;padding-inline:9px}.btn.small.icon{min-width:32px;padding-inline:5px}.btn:disabled,.btn[aria-disabled=true]{border-color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-container) * 100%), transparent);box-shadow:none;color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-content) * 100%), transparent);cursor:not-allowed;background:0 0}.btn:is(.primary,.filled,.tonal,.ink,.error):is(:disabled,[aria-disabled=true]){background:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-container) * 100%), transparent);border-color:#0000}.btn.text:is(:disabled,[aria-disabled=true]){border-color:#0000}.btn.link{min-height:0;color:var(--field-ink,var(--md-primary));font:inherit;letter-spacing:inherit;text-underline-offset:4px;background:0 0;border:0;border-radius:0;padding:0;font-weight:500;text-decoration:underline;text-decoration-thickness:1px}.btn.link:after{content:none}.btn.link:hover{text-decoration-thickness:2px}.iconbtn{justify-content:center;align-items:center;gap:var(--space-2);border-radius:var(--md-shape-full);min-width:40px;height:40px;color:var(--field-ink-2,var(--md-on-surface-variant));font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);white-space:nowrap;cursor:pointer;transition:background-color var(--md-duration-short4) var(--md-ease-standard), color var(--md-duration-short4) var(--md-ease-standard);background:0 0;border:0;flex:none;padding:0 8px;text-decoration:none;display:inline-flex}.iconbtn:after{content:"";position:absolute;inset:-4px}.iconbtn .i:not(.s){width:24px;height:24px}.iconbtn .label{display:none}.iconbtn:is([aria-pressed=true],[aria-expanded=true]){background:var(--md-secondary-container);color:var(--md-on-secondary-container)}.iconbtn.filled{background:var(--md-primary);color:var(--md-on-primary)}.iconbtn.tonal{background:var(--md-secondary-container);color:var(--md-on-secondary-container)}.iconbtn.outlined{box-shadow:inset 0 0 0 1px var(--md-outline)}.iconbtn:is(:disabled,[aria-disabled=true]){box-shadow:none;color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-content) * 100%), transparent);cursor:not-allowed;background:0 0}.fab{justify-content:center;align-items:center;gap:var(--space-3);border-radius:var(--md-shape-l);background:var(--md-primary-container);min-width:56px;height:56px;color:var(--md-on-primary-container);box-shadow:var(--md-elevation-3);font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);white-space:nowrap;cursor:pointer;transition:box-shadow var(--md-duration-short4) var(--md-ease-standard);border:0;padding:0 16px;text-decoration:none;display:inline-flex}.fab .i{width:24px;height:24px}.fab.extended{padding:0 20px 0 16px}.fab.ink{background:var(--field-ink,var(--md-primary));color:var(--field,var(--md-on-primary))}.fab.tertiary{background:var(--md-tertiary-container);color:var(--md-on-tertiary-container)}.fab.tutor{background:var(--md-field-tutor);color:var(--md-field-tutor-ink)}@media (hover:hover){.fab:hover{box-shadow:var(--md-elevation-4)}}.chip{align-items:center;gap:var(--space-2);border:1px solid var(--field-ink-2,var(--md-outline-variant));border-radius:var(--md-shape-s);min-height:32px;color:var(--field-ink,var(--md-on-surface-variant));font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);white-space:nowrap;background:0 0;padding:5px 15px;text-decoration:none;display:inline-flex}:is(a,button,label).chip{cursor:pointer}:where(a.chip,button.chip,label.chip):after{content:"";position:absolute;inset:-8px 0}.chip .i{width:18px;height:18px;color:var(--field-ink,var(--md-primary))}.chip:has(>.i:first-child:not(.check)){padding-left:7px}.chip:is([aria-pressed=true],[aria-checked=true],[aria-selected=true],.selected):has(>.check:first-child){padding-left:7px}.chip .check{display:none}.chip:is([aria-pressed=true],[aria-checked=true],[aria-selected=true],.selected),.chip.tonal{background:var(--md-secondary-container);color:var(--md-on-secondary-container);border-color:#0000}.chip:is([aria-pressed=true],[aria-checked=true],[aria-selected=true],.selected) .i{color:inherit}.chip:is([aria-pressed=true],[aria-checked=true],[aria-selected=true],.selected) .check{animation:md-pop var(--md-duration-medium1) var(--md-ease-emphasized-decelerate);display:inline-block}.chip:is(:disabled,[aria-disabled=true]){border-color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-container) * 100%), transparent);color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-content) * 100%), transparent);cursor:not-allowed}.chips{gap:var(--space-2);flex-wrap:wrap;display:flex}.pill{align-items:center;gap:var(--space-1);border:1px solid var(--field-ink-2,var(--md-outline-variant));border-radius:var(--md-shape-s);min-height:24px;color:var(--field-ink,var(--md-on-surface-variant));font:var(--md-label-m);letter-spacing:var(--md-label-m-tracking);white-space:nowrap;background:0 0;padding:3px 9px;display:inline-flex}.pill .i{width:16px;height:16px}.pill:is(.ok,.warn,.error,.info,.neutral){border-color:#0000}.pill.ok{background:var(--md-success-container);color:var(--md-on-success-container)}.pill.warn{background:var(--md-warning-container);color:var(--md-on-warning-container)}.pill.error{background:var(--md-error-container);color:var(--md-on-error-container)}.pill.info{background:var(--md-info-container);color:var(--md-on-info-container)}.pill.neutral{background:var(--md-surface-container-high);color:var(--md-on-surface-variant)}.mastery{border:2px solid var(--md-outline);vertical-align:-2px;border-radius:50%;flex:none;width:14px;height:14px;display:inline-block;position:relative}.mastery[data-state=mastered]{border-color:var(--md-success);background:var(--md-success)}.mastery[data-state=learning]{border-color:var(--md-primary);background:linear-gradient(90deg, var(--md-primary) 50%, transparent 50%)}.mastery[data-state=due]{border-color:var(--md-warning);border-style:dotted}.seg{min-width:0;display:flex}.seg button,.seg>a{justify-content:center;align-items:center;gap:var(--space-2);border:1px solid var(--field-ink-2,var(--md-outline));min-width:0;min-height:40px;color:var(--field-ink,var(--md-on-surface));font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);text-align:center;cursor:pointer;transition:background-color var(--md-duration-short4) var(--md-ease-standard), color var(--md-duration-short4) var(--md-ease-standard);background:0 0;border-radius:0;flex:1 1 0;margin:0 0 0 -1px;padding:5px 12px;text-decoration:none;display:inline-flex}.seg>:first-child{border-radius:var(--md-shape-full) 0 0 var(--md-shape-full);margin-left:0}.seg>:last-child{border-radius:0 var(--md-shape-full) var(--md-shape-full) 0}.seg>:only-child{border-radius:var(--md-shape-full)}.seg :is(button,a):is([aria-pressed=true],[aria-selected=true],[aria-checked=true],[aria-current]){background:color-mix(in srgb, var(--field-accent,var(--md-secondary-container)) 16%, var(--field,var(--md-secondary-container)));color:var(--field-ink,var(--md-on-secondary-container));box-shadow:inset 0 0 0 2px var(--field-ink,var(--md-on-secondary-container));font-weight:700}.seg .check{width:18px;height:18px;animation:md-pop var(--md-duration-medium1) var(--md-ease-emphasized-decelerate)}.seg :is(button,a):focus-visible{z-index:1}:where(.seg button,.seg>a,.footer a):after{content:"";position:absolute;inset:-4px 0}.seg button:disabled{color:color-mix(in srgb, var(--field-ink,var(--md-on-surface)) calc(var(--md-disabled-content) * 100%), transparent);cursor:not-allowed}.stepper{align-items:center;gap:var(--space-2);display:flex}.stepper button{border:1px solid var(--md-outline);border-radius:var(--md-shape-full);min-width:40px;height:40px;color:var(--md-on-surface-variant);font:var(--md-label-l);letter-spacing:var(--md-label-l-tracking);cursor:pointer;background:0 0;padding:0 10px}:where(.stepper button):after{content:"";position:absolute;inset:-4px}.stepper button:disabled{border-color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-container) * 100%), transparent);color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-content) * 100%), transparent);cursor:not-allowed}.stepper .cur{text-align:center;min-width:56px;font:var(--md-title-s);letter-spacing:var(--md-title-s-tracking);font-variant-numeric:tabular-nums}.card{--field:initial;--field-ink:initial;--field-ink-2:initial;--field-accent:initial;border:1px solid var(--md-outline-variant);border-radius:var(--md-shape-l);background:var(--md-surface);min-width:0;color:var(--md-on-surface);padding:20px 24px}.card.filled{background:var(--md-surface-container-highest);border-color:#0000}.card.raised{background:var(--md-surface-container-low);box-shadow:var(--md-elevation-1);border-color:#0000}.card.xl{border-radius:var(--md-shape-xl);padding:clamp(20px,4vw,32px)}.card.empty{background:var(--md-surface-container-low);color:var(--md-on-surface-variant);font:var(--md-body-m);letter-spacing:var(--md-body-m-tracking);border-style:dashed}:where(a.card){color:inherit;text-decoration:none;display:block}a.card{transition:box-shadow var(--md-duration-medium1) var(--md-ease-standard), transform var(--md-duration-medium1) var(--md-ease-standard)}@media (hover:hover){a.card:hover{box-shadow:var(--md-elevation-2)}}@media (hover:hover) and (prefers-reduced-motion:no-preference){:root:not([data-motion=less]) a.card:hover{transform:translateY(-2px)}}:is(.field-math,.field-coral){--field:var(--md-field-math);--field-ink:var(--md-field-math-ink);--field-ink-2:var(--md-field-math-ink-2);--field-accent:var(--md-field-math-accent)}:is(.field-chem,.field-mint){--field:var(--md-field-chem);--field-ink:var(--md-field-chem-ink);--field-ink-2:var(--md-field-chem-ink-2);--field-accent:var(--md-field-chem-accent)}:is(.field-phys,.field-sky){--field:var(--md-field-phys);--field-ink:var(--md-field-phys-ink);--field-ink-2:var(--md-field-phys-ink-2);--field-accent:var(--md-field-phys-accent)}:is(.field-practice,.field-lemon){--field:var(--md-field-practice);--field-ink:var(--md-field-practice-ink);--field-ink-2:var(--md-field-practice-ink-2);--field-accent:var(--md-field-practice-accent)}:is(.field-plan,.field-lilac){--field:var(--md-field-plan);--field-ink:var(--md-field-plan-ink);--field-ink-2:var(--md-field-plan-ink-2);--field-accent:var(--md-field-plan-accent)}:is(.field-tutor,.field-teal){--field:var(--md-field-tutor);--field-ink:var(--md-field-tutor-ink);--field-ink-2:var(--md-field-tutor-ink-2);--field-accent:var(--md-field-tutor-accent)}.field-brand{--field:var(--md-brand-field);--field-ink:var(--md-on-brand-field);--field-ink-2:var(--md-on-brand-field);--field-accent:var(--md-on-brand-field)}.field-brand :is(.brand-mark,.brand-lockup){--brand-key:var(--md-on-primary-container);--brand-key-letter:#fff;--brand-tile:color-mix(in srgb, var(--md-on-primary-container) 22%, var(--field));--brand-letter:#fff;--brand-domain:#fff}:root[data-theme=dark] .field-brand :is(.brand-mark,.brand-lockup){--brand-key:var(--md-primary);--brand-key-letter:var(--md-on-primary)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]):not([data-theme=sepia]) .field-brand :is(.brand-mark,.brand-lockup){--brand-key:var(--md-primary);--brand-key-letter:var(--md-on-primary)}}:is(.field-math,.field-chem,.field-phys,.field-practice,.field-plan,.field-tutor,.field-brand,.field-coral,.field-mint,.field-sky,.field-lemon,.field-lilac,.field-teal){background-color:var(--field);color:var(--field-ink)}.card:is(.field-math,.field-chem,.field-phys,.field-practice,.field-plan,.field-tutor,.field-brand,.field-coral,.field-mint,.field-sky,.field-lemon,.field-lilac,.field-teal){border-color:#0000}.list{padding:var(--space-2) 0;margin:0;list-style:none}.list-item{align-items:center;gap:var(--space-4);min-height:56px;padding:var(--space-2) var(--space-5) var(--space-2) var(--space-4);color:inherit;text-align:left;text-decoration:none;display:flex}.list-item.two-line{min-height:72px}button.list-item{width:100%;font:inherit;cursor:pointer;background:0 0;border:0}summary.list-item{cursor:pointer;list-style:none}summary.list-item::-webkit-details-marker{display:none}.list-lead{color:var(--field-ink-2,var(--md-on-surface-variant));flex:none;place-items:center;display:grid}.list-text{flex-direction:column;flex:auto;min-width:0;display:flex}.list-headline{font:var(--md-body-l);letter-spacing:var(--md-body-l-tracking);color:var(--field-ink,var(--md-on-surface))}.list-supporting{font:var(--md-body-m);letter-spacing:var(--md-body-m-tracking);color:var(--field-ink-2,var(--md-on-surface-variant))}.list-trail{font:var(--md-label-s);letter-spacing:var(--md-label-s-tracking);color:var(--field-ink-2,var(--md-on-surface-variant));font-variant-numeric:tabular-nums;flex:none}.list-subheader{padding:var(--space-4) var(--space-4) var(--space-1);font:var(--md-title-s);letter-spacing:var(--md-title-s-tracking);color:var(--md-primary);margin:0}.avatar{background:var(--field,var(--md-secondary-container));width:40px;height:40px;color:var(--field-ink,var(--md-on-secondary-container));font:var(--md-title-m);letter-spacing:var(--md-title-m-tracking);transition:transform var(--md-duration-medium1) var(--md-ease-standard);border-radius:50%;flex:none;place-items:center;display:inline-grid}@media (hover:hover) and (prefers-reduced-motion:no-preference){:root:not([data-motion=less]) .list-item:hover .avatar{transform:scale(1.08)}}.list.divided>li+li{background:linear-gradient(var(--md-outline-variant), var(--md-outline-variant)) no-repeat var(--list-divider-start,72px) 0 / calc(100% - var(--list-divider-start,72px) - 16px) 1px}.field,.field-select{border:1px solid var(--field-ink-2,var(--md-outline));border-radius:var(--md-shape-xs);width:100%;min-height:56px;color:var(--field-ink,var(--md-on-surface));caret-color:var(--field-ink,var(--md-primary));font:var(--md-body-l);letter-spacing:var(--md-body-l-tracking);transition:border-color var(--md-duration-short3) var(--md-ease-standard), box-shadow var(--md-duration-short3) var(--md-ease-standard);background:0 0;margin:0;padding:15px}textarea.field{resize:vertical}.field::placeholder{color:var(--field-ink-2,var(--md-on-surface-variant));opacity:1}@media (hover:hover){.field:hover,.field-select:hover{border-color:var(--field-ink,var(--md-on-surface))}}.field:focus,.field-select:focus{border-color:var(--field-ink,var(--md-primary));box-shadow:inset 0 0 0 1px var(--field-ink,var(--md-primary));outline:none}.field[aria-invalid=true],.field-select[aria-invalid=true]{border-color:var(--md-error)}.field[aria-invalid=true]:focus,.field-select[aria-invalid=true]:focus{box-shadow:inset 0 0 0 1px var(--md-error)}.field:disabled,.field-select:disabled{border-color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-container) * 100%), transparent);color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-content) * 100%), transparent)}:is(.field-select,select.field,.searchbar-scope>select){--select-arrow:var(--field-ink-2,var(--md-on-surface-variant));background-image:linear-gradient(45deg, transparent calc(50% - .5px), var(--select-arrow) 50%), linear-gradient(135deg, var(--select-arrow) 50%, transparent calc(50% + .5px));text-overflow:ellipsis;cursor:pointer;appearance:none;background-position:right 24px center,right 19px center;background-repeat:no-repeat;background-size:5px 5px;padding-right:48px}:is(.field-select,select.field):disabled{--select-arrow:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-content) * 100%), transparent);cursor:not-allowed}.textfield{min-width:0;display:block;position:relative}.textfield>label,.textfield>.textfield-label{background:var(--textfield-bg,var(--field,var(--md-surface)));max-width:calc(100% - 24px);color:var(--field-ink-2,var(--md-on-surface-variant));font:var(--md-body-s);letter-spacing:var(--md-body-s-tracking);text-overflow:ellipsis;white-space:nowrap;pointer-events:none;padding:0 4px;position:absolute;top:-8px;left:12px;overflow:hidden}.textfield:focus-within>:is(label,.textfield-label){color:var(--field-ink,var(--md-primary))}.textfield-support{font:var(--md-body-s);letter-spacing:var(--md-body-s-tracking);color:var(--field-ink-2,var(--md-on-surface-variant));margin:4px 16px 0}.textfield-support.error{color:var(--md-error)}.searchbar{align-items:center;gap:var(--space-1);border-radius:var(--md-shape-full);background:var(--md-surface-container-high);min-height:56px;color:var(--md-on-surface-variant);padding:0 4px 0 16px;display:flex}.searchbar:focus-within{box-shadow:inset 0 0 0 2px var(--md-primary)}.searchbar input{min-width:0;height:56px;color:var(--md-on-surface);font:var(--md-body-l);letter-spacing:var(--md-body-l-tracking);background:0 0;border:0;outline:none;flex:1;padding:0 12px}.searchbar input::placeholder{color:var(--md-on-surface-variant);opacity:1}.searchbar-scope{border-radius:var(--md-shape-full);align-items:center;min-width:0;display:flex;position:relative}.searchbar-scope>.searchbar-scope-lead{color:var(--md-on-surface-variant);pointer-events:none;margin-top:-10px;position:absolute;top:50%;left:14px}.searchbar-scope>select{--select-arrow:var(--md-on-surface-variant);border-radius:inherit;width:100%;min-width:0;height:48px;color:var(--md-on-surface);font:var(--md-body-l);letter-spacing:var(--md-body-l-tracking);white-space:nowrap;transition:background-color var(--md-duration-short3) linear;background-color:#0000;border:0;padding:0 48px 0 46px}.searchbar-scope>select:focus-visible{--select-arrow:var(--md-on-secondary-container);background-color:var(--md-secondary-container);color:var(--md-on-secondary-container);outline:none}.searchbar-scope:has(>select:focus-visible)>.searchbar-scope-lead{color:var(--md-on-secondary-container)}@media (hover:hover){.searchbar-scope>select:not(:focus-visible):hover{background-color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-state-hover) * 100%), transparent)}}.notice{--field:initial;--field-ink:initial;--field-ink-2:initial;--field-accent:initial;align-items:flex-start;gap:var(--space-3);border-radius:var(--md-shape-m);background:var(--md-surface-container-high);color:var(--md-on-surface);font:var(--md-body-m);letter-spacing:var(--md-body-m-tracking);margin:0 0 24px;padding:16px;display:flex}.notice>.i{color:var(--md-on-surface-variant);margin-top:-1px}.notice>b{flex:none;font-weight:500}.notice b{font-weight:500}.notice.neutral{background:var(--md-surface-container-high);color:var(--md-on-surface)}.notice.warn{background:var(--md-warning-container);color:var(--md-on-warning-container)}.notice.warn>.i{color:var(--md-warning)}.notice.error{background:var(--md-error-container);color:var(--md-on-error-container)}.notice.error>.i{color:var(--md-error)}.notice.ok{background:var(--md-success-container);color:var(--md-on-success-container)}.notice.ok>.i{color:var(--md-success)}.notice.info{background:var(--md-info-container);color:var(--md-on-info-container)}.notice.info>.i{color:var(--md-info)}.notice .btn.text{color:inherit}.notice .btn.text:first-child{margin:4px 0 -8px -12px}.site-banner{margin:0 0 var(--space-3);align-items:center}.site-banner>span{flex:1}.site-banner>.iconbtn{margin:-8px -8px -8px 0}.toast{z-index:50;left:calc(50% + var(--shell-inset-left) / 2);bottom:calc(var(--space-4) + var(--shell-inset-bottom));max-width:min(560px, calc(100vw - var(--shell-inset-left) - 32px));border-radius:var(--md-shape-xs);background:var(--md-inverse-surface);min-height:48px;color:var(--md-inverse-on-surface);box-shadow:var(--md-elevation-3);font:var(--md-body-m);letter-spacing:var(--md-body-m-tracking);opacity:0;transition:opacity var(--md-duration-short4) linear, transform var(--md-duration-medium2) var(--md-ease-emphasized-decelerate);pointer-events:none;align-items:center;padding:14px 16px;display:flex;position:fixed;transform:translate(-50%,8px)}.toast.on{opacity:1;transform:translate(-50%)}.toast:empty{visibility:hidden}.toast a{color:var(--md-inverse-primary)}.service-status{z-index:51;left:calc(50% + var(--shell-inset-left) / 2);bottom:calc(var(--space-4) + var(--shell-inset-bottom));align-items:center;gap:var(--space-3);width:max-content;max-width:min(600px, calc(100vw - var(--shell-inset-left) - 32px));border-radius:var(--md-shape-xs);background:var(--md-inverse-surface);min-height:48px;color:var(--md-inverse-on-surface);box-shadow:var(--md-elevation-3);font:var(--md-body-m);letter-spacing:var(--md-body-m-tracking);opacity:0;transition:opacity var(--md-duration-short4) linear, transform var(--md-duration-medium2) var(--md-ease-emphasized-decelerate);pointer-events:none;visibility:hidden;padding:4px 4px 4px 16px;display:flex;position:fixed;overflow:hidden;transform:translate(-50%,8px)}.service-status.on{opacity:1;pointer-events:auto;visibility:visible;transform:translate(-50%)}.service-status>p{flex:1;margin:0;padding-block:10px}.service-status>.i{color:var(--md-inverse-primary);flex:none}.service-status[data-state=down]>.i{color:var(--md-error-container)}.service-status .btn.text{color:var(--md-inverse-primary);flex:none}.service-status .btn.text.icon{color:var(--md-inverse-on-surface)}@media (max-width:599px){.service-status{width:calc(100vw - var(--shell-inset-left) - 32px);flex-wrap:wrap;row-gap:0;padding-bottom:4px}.service-status>p{flex-basis:calc(100% - 44px);padding-bottom:2px}.service-status>.btn:first-of-type{margin-left:auto}}.service-status-progress{background:color-mix(in srgb, var(--md-inverse-primary) 24%, transparent);height:4px;position:absolute;inset:0 0 auto;overflow:hidden}.service-status-progress:before{content:"";border-radius:var(--md-shape-full);background:var(--md-inverse-primary);width:40%;animation:service-status-indeterminate 1.6s var(--md-ease-standard) infinite;position:absolute;inset:0 auto 0 0}@keyframes service-status-indeterminate{0%{transform:translate(-100%)}to{transform:translate(250%)}}@media (prefers-reduced-motion:reduce){.service-status-progress:before{opacity:.6;width:100%;animation:none}}:root:has(.service-status.on) .toast{bottom:calc(var(--space-4) + var(--shell-inset-bottom) + 64px)}.empty-state{justify-items:start;gap:var(--space-3);border-radius:var(--md-shape-xl);background:var(--md-surface-container-low);color:var(--md-on-surface);padding:clamp(24px,5vw,40px);display:grid}.empty-state>*{margin:0}.empty-state-icon{border-radius:var(--md-shape-l);background:var(--md-secondary-container);width:56px;height:56px;color:var(--md-on-secondary-container);place-items:center;display:grid}.empty-state.error .empty-state-icon{background:var(--md-error-container);color:var(--md-on-error-container)}.empty-state .actions{gap:var(--space-2);margin-top:var(--space-3);flex-wrap:wrap;display:flex}.empty-state .code,.errorpage .code{font-family:var(--font-mono);color:var(--md-on-surface-variant);overflow-wrap:anywhere;font-size:13px}.progress{--value:0%;gap:4px;min-width:48px;height:4px;display:flex;position:relative}.progress:before{content:"";flex:0 1 var(--value);background:var(--field-accent,var(--md-primary));transform-origin:0;animation:md-grow var(--md-duration-long2) var(--md-ease-emphasized-decelerate) backwards;border-radius:2px}.progress:after{content:"";background:radial-gradient(circle at calc(100% - 2px) 50%, var(--field-accent,var(--md-primary)) 2px, transparent 2.5px), color-mix(in srgb, var(--field-accent,var(--md-primary)) 24%, transparent);border-radius:2px;flex:1 1 0}.slider{--value:50%;width:100%;height:44px;color:var(--field-accent,var(--md-primary));cursor:pointer;appearance:none;background:0 0;margin:0}.slider::-webkit-slider-runnable-track{background:linear-gradient(to right, currentColor 0 calc(var(--value) - 6px), transparent calc(var(--value) - 6px) calc(var(--value) + 6px), color-mix(in srgb, currentColor 24%, transparent) calc(var(--value) + 6px));border-radius:8px;height:16px}.slider::-moz-range-track{background:color-mix(in srgb, currentColor 24%, transparent);border-radius:8px;height:16px}.slider::-moz-range-progress{background:currentColor;border-radius:8px;height:16px}.slider::-webkit-slider-thumb{-webkit-appearance:none;background:currentColor;border-radius:2px;width:4px;height:44px;margin-top:-14px}.slider::-moz-range-thumb{background:currentColor;border:0;border-radius:2px;width:4px;height:44px}.slider:focus-visible{outline:none}.slider:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px var(--field-ink,var(--md-on-surface))}.slider:focus-visible::-moz-range-thumb{box-shadow:0 0 0 3px var(--field-ink,var(--md-on-surface))}.settings-portal{display:contents}.settings{--field:initial;--field-ink:initial;--field-ink-2:initial;--field-accent:initial;color:var(--md-on-surface);font:var(--md-body-m);letter-spacing:var(--md-body-m-tracking)}.settings[aria-modal=true]{z-index:28;width:min(400px,100vw - 56px);padding:var(--space-4) var(--space-5) var(--space-5);overscroll-behavior:contain;border-radius:var(--md-shape-l) 0 0 var(--md-shape-l);background:var(--md-surface-container-low);box-shadow:var(--md-elevation-2);animation:md-sheet-right var(--md-duration-medium4) var(--md-ease-emphasized-decelerate) backwards;position:fixed;top:0;bottom:0;right:0;overflow-y:auto}.settings h2{align-items:center;gap:var(--space-2);min-height:48px;margin:0 0 var(--space-2);font:var(--md-title-l);letter-spacing:var(--md-title-l-tracking);display:flex}.settings h2 .x{margin:0 -8px 0 auto}.srow{gap:var(--space-2);padding:var(--space-4) 0;border-top:1px solid var(--md-outline-variant);display:grid}.srow .n{font:var(--md-title-s);letter-spacing:var(--md-title-s-tracking);color:var(--md-on-surface-variant)}.srow label.check{align-items:center;gap:var(--space-3);min-height:48px;font:var(--md-body-l);letter-spacing:var(--md-body-l-tracking);cursor:pointer;display:flex}.srow .check-text{flex:auto;min-width:0}input.switch[type=checkbox]{border:2px solid var(--md-outline);border-radius:var(--md-shape-full);background:var(--md-surface-container-highest);cursor:pointer;appearance:none;width:52px;height:32px;transition:background-color var(--md-duration-short4) var(--md-ease-standard), border-color var(--md-duration-short4) var(--md-ease-standard);flex:none;margin:0;position:relative}input.switch[type=checkbox]:before{content:"";background:var(--md-outline);width:24px;height:24px;transition:transform var(--md-duration-short4) var(--md-ease-standard), background-color var(--md-duration-short4) var(--md-ease-standard);border-radius:50%;position:absolute;top:2px;left:2px;transform:scale(.667)}input.switch[type=checkbox]:checked{border-color:var(--md-primary);background:var(--md-primary)}input.switch[type=checkbox]:checked:before{background:var(--md-on-primary);transform:translate(20px)}@media (hover:hover){input.switch[type=checkbox]:not(:disabled):hover:before{background:var(--md-on-surface-variant)}input.switch[type=checkbox]:checked:not(:disabled):hover:before{background:var(--md-primary-container)}}input.switch[type=checkbox]:not(:disabled):active:before{transform:scale(1.167)}input.switch[type=checkbox]:checked:not(:disabled):active:before{transform:translate(20px)scale(1.167)}input.switch[type=checkbox]:disabled{border-color:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-container) * 100%), transparent);background:color-mix(in srgb, var(--md-surface-container-highest) calc(var(--md-disabled-container) * 100%), transparent);cursor:not-allowed}input.switch[type=checkbox]:disabled:before{background:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-content) * 100%), transparent)}input.switch[type=checkbox]:checked:disabled{background:color-mix(in srgb, var(--md-on-surface) calc(var(--md-disabled-container) * 100%), transparent);border-color:#0000}input.switch[type=checkbox]:checked:disabled:before{background:var(--md-surface)}.settings .sfoot{justify-content:space-between;align-items:center;gap:var(--space-3);margin-top:var(--space-3);font:var(--md-body-s);letter-spacing:var(--md-body-s-tracking);color:var(--md-on-surface-variant);display:flex}.settings .sfoot .btn{flex:none}.md-enter{animation:md-rise var(--md-duration-long1) var(--md-ease-emphasized-decelerate) backwards}.md-stagger>*{animation:md-rise var(--md-duration-long2) var(--md-ease-emphasized-decelerate) backwards}.md-stagger>:nth-child(2){animation-delay:50ms}.md-stagger>:nth-child(3){animation-delay:.1s}.md-stagger>:nth-child(4){animation-delay:.15s}.md-stagger>:nth-child(5){animation-delay:.2s}.md-stagger>:nth-child(6){animation-delay:.25s}.md-stagger>:nth-child(n+7){animation-delay:.3s}.md-fade{animation:md-fade-through var(--md-duration-medium2) var(--md-ease-standard) backwards}.md-pop{animation:md-pop var(--md-duration-long2) var(--md-ease-emphasized-decelerate) backwards}.md-shake{animation:md-shake var(--md-duration-long1) var(--md-ease-standard)}.notice.md-enter{animation-name:md-card-in}.notice.error.md-enter>.i{animation:md-shake var(--md-duration-long1) var(--md-ease-standard) .15s}.notice.ok.md-enter>.i{animation:md-pop var(--md-duration-long2) var(--md-ease-emphasized-decelerate) .1s backwards}@media (min-width:840px){.utility-nav>a.iconbtn{margin-left:var(--space-2);background:var(--md-secondary-container);color:var(--md-on-secondary-container);padding:0 16px 0 12px}.iconbtn .label{display:inline}}@media not (min-width:1024px){.page{padding-bottom:var(--space-8)}.topbar .iconbtn{min-width:var(--touch);height:var(--touch)}:root:has(.atom-page){scroll-padding-bottom:calc(var(--atom-bar,60px) + env(safe-area-inset-bottom,0px) + var(--space-4))}}@media (min-width:600px){.settings:not([aria-modal=true]) .srow{align-items:center;gap:var(--space-4);grid-template-columns:160px minmax(0,1fr)}}@media not (min-width:600px){.topbar-brand{display:inline-flex}.topbar .crumbs{display:none}.topbar-title{padding-left:var(--space-1)}.topbar:has(.topbar-title) .topbar-brand{margin-right:0;padding:0 8px}.topbar:has(.topbar-title) .topbar-brand .brand-full{display:none}.topbar:has(.topbar-title) .topbar-brand .brand-compact{display:block}.topbar:has(.topbar-back) .topbar-brand{display:none}.navrail{width:auto;height:calc(var(--md-navbar-h) + env(safe-area-inset-bottom,0px));padding:var(--space-3) 0 calc(var(--space-4) + env(safe-area-inset-bottom,0px));background:var(--md-surface-container);border-right:0;flex-direction:row;top:auto;right:0}.navrail-brand{display:none}.learning-nav{flex-direction:row;align-items:flex-start;gap:0;width:100%}.nav-dest{flex:1 1 0;width:auto;min-width:0;min-height:52px}.nav-ind{width:64px}body:has(.atom-page) .navrail{display:none}body:has(.atom-page) .topbar-brand{padding:0 8px}:is(body:has(.atom-page) .topbar-brand .brand-full,body:has(.atom-page) .topbar .theme-toggle){display:none}body:has(.atom-page) .topbar-brand .brand-compact{display:block}.settings[aria-modal=true]{width:auto;max-height:85dvh;padding:var(--space-6) var(--space-4) calc(var(--space-5) + env(safe-area-inset-bottom,0px));border-radius:var(--md-shape-xl) var(--md-shape-xl) 0 0;animation-name:md-sheet-up;top:auto;left:0}.settings[aria-modal=true]:before{content:"";background:var(--md-on-surface-variant);opacity:.4;border-radius:2px;width:32px;height:4px;margin-left:-16px;position:absolute;top:12px;left:50%}.seg :is(button,a){gap:var(--space-1);overflow-wrap:anywhere;padding-inline:6px}.seg .check{width:16px;height:16px}.seg:has(>:nth-child(4)) .check{display:none}.notice>b{flex:initial}}@media (not (min-width:600px)) and (max-height:480px){.topbar{height:56px;position:static}}@media (forced-colors:active){.nav-dest[aria-current] .nav-ind,.chip:is([aria-pressed=true],[aria-checked=true],[aria-selected=true],.selected),.seg :is(button,a):is([aria-pressed=true],[aria-selected=true],[aria-checked=true],[aria-current]),.iconbtn:is([aria-pressed=true],[aria-expanded=true]){outline-offset:-2px;outline:2px solid selecteditem}.notice,.empty-state,.toast,.service-status,.card,.settings[aria-modal=true],.fab{border:1px solid canvastext}.progress:before{forced-color-adjust:none;background:selecteditem}.mastery[data-state=mastered],.mastery[data-state=learning]{forced-color-adjust:none;background:canvastext;border-color:canvastext}input.switch[type=checkbox]{forced-color-adjust:none;background:canvas;border-color:canvastext}input.switch[type=checkbox]:before{background:canvastext}input.switch[type=checkbox]:checked{background:selecteditem;border-color:selecteditem}input.switch[type=checkbox]:checked:before{background:selecteditemtext}:is(.field-select,select.field,.searchbar-scope>select){appearance:auto;background-image:none}.searchbar-scope>select:focus-visible{outline-offset:-2px;outline:2px solid highlight}}@media print{.topbar,.navrail,.footer,.settings,.toast,.skip,.ripple{display:none!important}html,body{background:var(--md-surface-container-lowest)}body,.page{padding:0}.prose{max-width:100%;font-size:11.5pt}.math-display{overflow:visible}a{color:inherit}}