@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,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.10"}.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{--paper:#edf0f5;--surface:#fff;--ink:#17203b;--muted:#56607d;--rule:#c8cfdc;--plate:#0a1130;--plate-ink:#e7eaf4;--accent:#a85400;--accent-bright:#ffb35c;--violet:#5646cf;--red:#c23a52;--green:#1e7f5c;--radius:12px;--radius-sm:8px;--nav-h:64px;--font-scale:1;--font-body:"Literata","Noto Sans JP","Noto Sans SC",Georgia,"Times New Roman",serif;--font-ui:"Be Vietnam Pro","Noto Sans JP","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}:root:not([data-theme=light]){--paper:#0e1328;--surface:#141b38;--ink:#e4e8f3;--muted:#9ba4c0;--rule:#29325a;--plate:#070c22;--accent:#ffb35c;--violet:#a395ff;--red:#ff7a90;--green:#5fd3a5}}:root[data-theme=dark]{--paper:#0e1328;--surface:#141b38;--ink:#e4e8f3;--muted:#9ba4c0;--rule:#29325a;--plate:#070c22;--accent:#ffb35c;--violet:#a395ff;--red:#ff7a90;--green:#5fd3a5}*,:before,:after{box-sizing:inherit}html{font-size:calc(16px * var(--font-scale,1));scroll-padding-top:env(safe-area-inset-top,0px)}body{background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--font-body);-webkit-font-smoothing:antialiased;margin:0}a{color:var(--violet);text-underline-offset:.18em}h1{margin:0 0 1rem;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:600;line-height:1.15}h2{margin:2rem 0 .8rem;font-size:1.5rem;font-weight:600;line-height:1.25}.h-sm{font:600 1rem/1.3 var(--font-ui);margin:2rem 0 .8rem}p{margin:0 0 .9rem}.muted{color:var(--muted);font-family:var(--font-ui);font-size:.92rem}.lede{color:var(--muted);max-width:40rem;font-size:1.15rem}.big{font:600 2rem/1 var(--font-ui);margin:0}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}:focus-visible{outline:2px solid var(--violet);outline-offset:2px}.shell{grid-template-columns:15rem minmax(0,1fr);min-height:100dvh;transition:grid-template-columns .18s;display:grid}.shell.sidebar-collapsed{grid-template-columns:3.75rem minmax(0,1fr)}.sidebar{background:var(--plate);height:100dvh;color:var(--plate-ink);flex-direction:column;gap:1.5rem;padding:1.1rem 1rem 1.5rem;display:flex;position:sticky;top:0;overflow:hidden}.sidebar-head{justify-content:space-between;align-items:center;gap:.5rem;min-height:36px;display:flex}.brand{font:600 1.2rem/1.2 var(--font-body);color:inherit;white-space:nowrap;text-overflow:ellipsis;text-decoration:none;overflow:hidden}.sidebar-toggle{border-radius:var(--radius-sm);color:#c3c9de;cursor:pointer;background:0 0;border:0;flex-shrink:0;place-items:center;width:36px;height:36px;display:grid}.sidebar-toggle:hover{color:#fff;background:#ffffff14}.sidebar nav,.nav-group{flex-direction:column;gap:.2rem;display:flex}.nav-group-title{color:#a6aecb;font:600 .72rem var(--font-ui);letter-spacing:.06em;text-transform:uppercase;padding:.65rem .75rem .1rem}.navlink{border-radius:var(--radius-sm);color:#c3c9de;font:500 .95rem var(--font-ui);white-space:nowrap;align-items:center;gap:.75rem;min-height:44px;padding:.6rem .75rem;text-decoration:none;display:flex}.navlink svg{flex-shrink:0}.navlink:hover{color:#fff;background:#ffffff0f}.navlink[aria-current=page]{color:var(--accent-bright);background:#ffb35c24}.sidebar-foot{font:500 .9rem var(--font-ui);color:#a6aecb;margin-top:auto}.shell.sidebar-collapsed .sidebar{align-items:center;padding:1.1rem .5rem 1.5rem}.shell.sidebar-collapsed .sidebar-head{justify-content:center;width:100%}.shell.sidebar-collapsed .nav-group-title,.shell.sidebar-collapsed .sidebar .brand,.shell.sidebar-collapsed .navlink span,.shell.sidebar-collapsed .sidebar-foot{display:none}.shell.sidebar-collapsed .navlink{justify-content:center;width:44px;padding:.6rem}.points{color:var(--accent-bright);font-size:1.1rem;font-weight:600}.topbar,.bottomnav,.bottomnav-backdrop,.bottomnav-sheet{display:none}.content{min-width:0}.page{max-width:60rem;padding:clamp(1.25rem,4vw,3rem)}.page.wide{max-width:80rem}@media (max-width:900px){.shell,.shell.sidebar-collapsed{grid-template-columns:minmax(0,1fr)}.sidebar{display:none}.topbar{z-index:20;padding:.6rem 1rem;padding-top:calc(.6rem + env(safe-area-inset-top,0px));background:var(--plate);color:var(--plate-ink);justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.icon-btn{width:44px;height:44px;color:var(--plate-ink);border-radius:50%;place-items:center;display:grid}.bottomnav{z-index:20;background:var(--surface);border-top:1px solid var(--rule);padding-bottom:env(safe-area-inset-bottom,0px);grid-template-columns:repeat(5,minmax(0,1fr));display:grid;position:fixed;bottom:0;left:0;right:0}.bottomnav a,.bottomnav-more-btn{min-height:var(--nav-h);cursor:pointer;min-width:0;font:500 .72rem var(--font-ui);color:var(--muted);background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:0 2px;text-decoration:none;display:flex}.bottomnav a span,.bottomnav-more-btn span{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.bottomnav a[aria-current=page],.bottomnav-more-btn[aria-current=page],.bottomnav-more-btn[aria-expanded=true]{color:var(--accent)}.bottomnav-backdrop{z-index:18;background:#0a11305c;display:block;position:fixed;inset:0}.bottomnav-sheet{left:.75rem;right:.75rem;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px) + .5rem);z-index:19;background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;padding:.75rem;display:grid;position:fixed;box-shadow:0 12px 32px #0a11303d}.bottomnav-sheet-link{border-radius:var(--radius-sm);border:1px solid var(--rule);background:var(--paper);min-height:44px;color:var(--ink);font:500 .88rem var(--font-ui);align-items:center;gap:.6rem;min-width:0;padding:.55rem .75rem;text-decoration:none;display:flex}.bottomnav-sheet-link span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.bottomnav-sheet-link[aria-current=page]{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--surface))}.content{padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px))}}.card{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:1.1rem 1.2rem}.link-card{color:inherit;min-height:44px;text-decoration:none;display:block}.link-card:hover{border-color:var(--violet)}.card-title{font:600 1.05rem/1.3 var(--font-ui);margin:0 0 .35rem}.grid-3{grid-template-columns:repeat(auto-fill,minmax(min(100%,16rem),1fr));gap:1rem;display:grid}.row{flex-wrap:wrap;align-items:center;gap:.6rem;margin:1rem 0;display:flex}.btn{font:600 .92rem var(--font-ui);border:1px solid var(--ink);background:var(--ink);min-height:44px;color:var(--paper);cursor:pointer;border-radius:999px;padding:.6rem 1.1rem}.btn.ghost{color:var(--ink);border-color:var(--rule);background:0 0}.btn:disabled{opacity:.5;cursor:not-allowed}.chip{font:500 .88rem var(--font-ui);border:1px solid var(--rule);color:var(--ink);border-radius:999px;margin:0 .4rem .4rem 0;padding:.4rem .8rem;text-decoration:none;display:inline-block}.search input{width:100%;font:400 1rem var(--font-ui);border:1px solid var(--rule);background:var(--surface);color:var(--ink);border-radius:999px;margin-bottom:1rem;padding:.75rem 1rem}.crumb{font:500 .88rem var(--font-ui);color:var(--accent);margin:0 0 .4rem}.eq{padding:.4rem 0 .4rem 1rem;overflow-x:auto}.katex{max-width:100%}.katex .katex-html{max-width:100%;overflow:auto hidden}.theorem{border-left:3px solid var(--accent);margin:1.6rem 0;padding:.2rem 0 .2rem 1.1rem}.theorem-title{font:600 .95rem var(--font-ui)}.theorem details{margin-top:.4rem}.theorem summary{font:600 .9rem var(--font-ui);color:var(--violet);cursor:pointer;min-height:32px}.pitfall{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);margin:1.2rem 0;padding:.9rem 1.1rem}.figure{margin:1.6rem 0}.figure figcaption{color:var(--muted);margin-top:.6rem;font-size:.92rem}.topic-nav{border-top:1px solid var(--rule);gap:1rem;margin-top:2.5rem;padding-top:1.5rem;display:grid}.widget{background:var(--plate);border-radius:var(--radius);--ink:#e7eaf4;--violet:#a395ff;--red:#ff7a90;--accent:#ffb35c;overflow:hidden}.widget-controls{background:#ffffff0a;grid-template-columns:repeat(auto-fill,minmax(min(100%,13rem),1fr));gap:.4rem 1.2rem;padding:.8rem 1rem;display:grid}.widget-controls label{font:500 .85rem var(--font-ui);color:#c3c9de;grid-template-columns:auto 1fr auto;align-items:center;gap:.6rem;min-height:44px;display:grid}.widget-controls input{accent-color:#ffb35c;width:100%}.widget-controls select{font:500 .85rem var(--font-ui);border-radius:var(--radius-sm);color:#fff;background:#ffffff14;border:1px solid #ffffff38;grid-column:2/4;min-height:36px;padding:.3rem .6rem}.widget-controls output{font-variant-numeric:tabular-nums;text-align:right;color:#fff;min-width:3.5em}.widget-fallback{color:#e7eaf4;font-family:var(--font-ui);padding:1.4rem 1.2rem}.widget-fallback-title{color:#ffb35c;margin:0 0 .4rem;font-weight:600}.widget-fallback-alt{color:#c3c9de;margin:0;font-size:.92rem}.card.quiz{margin:1.4rem 0}.quiz .options{gap:.5rem;display:grid}.opt{font:inherit;text-align:left;border-radius:var(--radius-sm);border:1px solid var(--rule);min-height:44px;color:var(--ink);cursor:pointer;background:0 0;padding:.7rem 1rem}.opt.ok{border-color:var(--green);background:color-mix(in srgb,var(--green) 12%,transparent)}.opt.bad{border-color:var(--red);background:color-mix(in srgb,var(--red) 12%,transparent)}.quiz-session{gap:1rem;margin-top:1.5rem;display:grid}.quiz-setup{gap:1.25rem;display:grid}.quiz-setup fieldset{border:0;min-width:0;margin:0;padding:0}.quiz-filter-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,15rem),1fr));gap:.55rem;display:grid}.quiz-levels{grid-template-columns:repeat(auto-fill,minmax(min(100%,11rem),1fr))}.quiz-filter{border:1px solid var(--rule);border-radius:var(--radius-sm);cursor:pointer;align-items:center;gap:.65rem;min-height:44px;padding:.55rem .7rem;display:flex}.quiz-filter input{width:1.1rem;height:1.1rem;accent-color:var(--accent)}.quiz-run{gap:.75rem;display:grid}.quiz-run-meta{color:var(--muted);font:500 .9rem var(--font-ui);flex-wrap:wrap;justify-content:space-between;gap:1rem;display:flex}.quiz-flashcard{min-height:22rem}.quiz-card-face{gap:1rem;display:grid}.quiz-question{overflow-wrap:anywhere;font-size:clamp(1.15rem,2vw,1.55rem);line-height:1.6}.quiz .opt.picked{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent)}.quiz-answer{border-top:1px solid var(--rule);gap:.6rem;padding-top:1rem;display:grid}.quiz-answer .h-sm{margin:.3rem 0}.quiz-sources{font:400 .88rem/1.5 var(--font-ui);color:var(--muted)}.quiz-sources ul{margin:.35rem 0;padding-left:1.25rem}.quiz-result{gap:1rem;display:grid}.feedback{margin-top:.8rem}.pg{grid-template-columns:minmax(0,1fr) minmax(20rem,26rem);align-items:start;gap:1.5rem;display:grid}.statement{font-size:1.1rem}.steps{gap:.6rem;margin:0;padding:0;list-style:none;display:grid}.step{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);grid-template-columns:2rem minmax(0,1fr) auto;align-items:start;gap:.6rem;padding:.7rem;display:grid}.step.valid{border-color:var(--green)}.step.invalid{border-color:var(--red)}.step-num{font:600 .9rem var(--font-ui);color:var(--muted);text-align:center;padding-top:.5rem}.step-body{gap:.4rem;min-width:0;display:grid}math-field,.tex-input{border:1px solid var(--rule);border-radius:var(--radius-sm);background:var(--paper);width:100%;color:var(--ink);padding:.4rem .6rem;font-size:1.15rem}.tex-input{font-family:ui-monospace,monospace;font-size:.95rem}.note{font:400 .9rem var(--font-ui);border:0;border-bottom:1px dashed var(--rule);color:var(--ink);background:0 0;padding:.4rem .6rem}.verdict{font:500 .85rem var(--font-ui);margin:0}.step.valid .verdict{color:var(--green)}.step.invalid .verdict{color:var(--red)}.pg-side{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);position:sticky;top:1rem;overflow:hidden}.tabs{border-bottom:1px solid var(--rule);display:flex;overflow-x:auto}.tab{font:600 .85rem var(--font-ui);min-height:44px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;flex:1 0 auto;padding:.8rem .9rem}.tab[aria-selected=true]{color:var(--ink);border-bottom-color:var(--accent)}.tab-body{max-height:70vh;padding:1rem;overflow:auto}.sheet-close{display:none}.hints{gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.hint-btn{width:100%;font:500 .9rem var(--font-ui);border:1px solid var(--rule);border-radius:var(--radius-sm);min-height:44px;color:var(--ink);cursor:pointer;background:0 0;justify-content:space-between;gap:1rem;padding:.7rem .9rem;display:flex}.hint-btn:disabled{opacity:.45;cursor:not-allowed}.cost{color:var(--red)}.hint-open{border:1px solid var(--rule);border-radius:var(--radius-sm);padding:.7rem .9rem}.hint-name{font:600 .8rem var(--font-ui);color:var(--accent);margin-bottom:.2rem;display:block}.tutor .msgs{gap:.5rem;margin-bottom:.8rem;display:grid}.msg{border-radius:var(--radius-sm);background:var(--paper);padding:.6rem .8rem}.msg.user{background:color-mix(in srgb,var(--violet) 12%,transparent)}.ask{gap:.5rem;display:grid}.ask textarea{font:400 .95rem var(--font-ui);border-radius:var(--radius-sm);border:1px solid var(--rule);background:var(--paper);color:var(--ink);resize:vertical;padding:.6rem}.links{padding-left:1.1rem}.snap{cursor:pointer;border-style:dashed;gap:.2rem;margin-bottom:1rem;display:grid}@media (max-width:900px){.pg{grid-template-columns:minmax(0,1fr)}.pg-side{left:0;right:0;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));z-index:15;border-radius:var(--radius) var(--radius) 0 0;position:fixed;top:auto;box-shadow:0 -8px 24px #0a11302e}.pg-side .tab-body{max-height:60dvh;display:none}.pg-side.open .tab-body{display:block}.pg-side.open .sheet-close{width:40px;height:40px;color:var(--muted);background:0 0;border:0;place-items:center;font-size:1.4rem;display:grid;position:absolute;top:.3rem;right:.4rem}.pg-main{padding-bottom:5rem}.step{grid-template-columns:1.6rem minmax(0,1fr)}.step>.btn{grid-column:2;justify-self:start}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}:root[data-reduce-motion=true] *,:root[data-reduce-motion=true] :before,:root[data-reduce-motion=true] :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.locale-switch select{font:500 .85rem var(--font-ui);border-radius:var(--radius-sm);border:1px solid var(--rule);background:var(--surface);min-height:36px;color:var(--ink);padding:.3rem .5rem}.locale-switch.dark select{color:var(--plate-ink);background:#ffffff0f;border-color:#fff3}.sidebar-foot{flex-direction:column;gap:.6rem;display:flex}.topbar-actions{align-items:center;gap:.4rem;display:flex}.notice{font:500 .9rem/1.5 var(--font-ui);background:color-mix(in srgb,var(--accent) 10%,transparent);border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);border-radius:var(--radius-sm);margin:0 0 1rem;padding:.6rem .9rem}.badge{font:600 .75rem var(--font-ui);color:var(--accent);margin:.3rem 0 0;display:inline-block}.frontier{border:1px solid color-mix(in srgb,var(--violet) 40%,transparent);background:color-mix(in srgb,var(--violet) 7%,transparent);border-radius:var(--radius);margin:1.4rem 0;padding:.9rem 1.1rem}.frontier-title{font:600 .95rem var(--font-ui);color:var(--violet)}.refs{padding-left:1.2rem;font-size:.95rem}.refs li{margin-bottom:.4rem}.ref-dialog{border:1px solid var(--rule);background:var(--surface);width:min(92vw,72rem);max-width:none;height:min(88dvh,54rem);max-height:none;color:var(--ink);border-radius:16px;padding:0;overflow:hidden;box-shadow:0 24px 64px #0a113061}.ref-dialog::backdrop{background:#0a113099}.ref-dialog-shell{flex-direction:column;width:100%;height:100%;display:flex}.ref-dialog-head{border-bottom:1px solid var(--rule);background:var(--paper);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1.1rem;display:flex}.ref-dialog-meta{flex:16rem;min-width:0}.ref-dialog-title{font:600 1rem/1.3 var(--font-ui);color:var(--ink);text-overflow:ellipsis;white-space:nowrap;margin:0;overflow:hidden}.ref-dialog-sub{font:400 .82rem/1.3 var(--font-ui);color:var(--muted);margin:.15rem 0 0}.ref-dialog-actions{flex-shrink:0;align-items:center;gap:.5rem;display:flex}.ref-dialog-btn{align-items:center;min-height:36px;padding:.35rem .85rem;font-size:.82rem;text-decoration:none;display:inline-flex}.ref-dialog-body{background:var(--paper);flex:auto;min-height:0;display:flex;position:relative}.ref-dialog-loading{font:500 .95rem var(--font-ui);color:var(--muted);place-items:center;margin:0;display:grid;position:absolute;inset:0}.ref-dialog-frame{background:0 0;border:0;flex:auto;width:100%;position:relative}.theorem-dialog{width:min(92vw,54rem);height:auto;max-height:min(88dvh,48rem)}.theorem-dialog-body{background:var(--surface);flex:auto;gap:1rem;min-height:0;padding:1.25rem 1.5rem;display:grid;overflow-y:auto}.back-btn{font:600 .86rem var(--font-ui);color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);border-radius:999px;align-items:center;gap:.3rem;margin-right:.35rem;padding:.22rem .6rem;text-decoration:none;display:inline-flex}.back-btn:hover{background:color-mix(in srgb,var(--accent) 18%,transparent)}.block-h{flex-wrap:wrap;align-items:baseline;gap:.6rem;display:flex}.tier-pill{font:600 .72rem/1 var(--font-ui);text-transform:uppercase;letter-spacing:.04em;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);border-radius:999px;padding:.28rem .55rem}.definition{border-left:3px solid var(--violet);margin:1.5rem 0;padding:.2rem 0 .2rem 1.1rem}.definition-title{font:600 .95rem var(--font-ui);color:var(--violet);margin:0 0 .35rem}.example{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);margin:1.4rem 0;padding:1rem 1.2rem}.example-title{font:600 .95rem var(--font-ui);margin:0 0 .4rem}.example details{margin-top:.5rem}.example summary{font:600 .9rem var(--font-ui);color:var(--violet);cursor:pointer;min-height:32px}.history{background:color-mix(in srgb,var(--accent) 7%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 30%,var(--rule));border-radius:var(--radius);margin:1.4rem 0;padding:.9rem 1.1rem}.history-title{font:600 .88rem var(--font-ui);color:var(--accent);margin:0 0 .35rem}.history-people{margin:.4rem 0 0}.table-wrap{margin:1.4rem 0;overflow-x:auto}.block-table{border-collapse:collapse;background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius-sm);width:100%;font-size:.95rem;overflow:hidden}.block-table caption{text-align:left;font:500 .88rem var(--font-ui);color:var(--muted);padding:0 0 .4rem}.block-table th,.block-table td{border-bottom:1px solid var(--rule);text-align:left;vertical-align:top;padding:.6rem .85rem}.block-table th{font:600 .85rem var(--font-ui);background:color-mix(in srgb,var(--ink) 4%,var(--surface))}.home-page{flex-direction:column;gap:22px;display:flex}.home-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;display:flex}.home-head-copy{flex-direction:column;gap:6px;display:flex}.home-eyebrow{font:500 14px var(--font-ui);color:var(--muted)}.home-title{font:600 34px var(--font-body);letter-spacing:-.01em;margin:0}.home-search-box{border:1px solid var(--rule);background:var(--surface);width:320px;max-width:100%;height:44px;color:var(--muted);border-radius:999px;align-items:center;gap:8px;padding:0 16px;display:flex}.home-search-box input{font:400 14px var(--font-ui);color:var(--ink);background:0 0;border:0;outline:none;width:100%}.home-entries{grid-template-columns:2fr 1fr 1fr;gap:20px;display:grid}.home-entry-hero{background:var(--plate);color:var(--plate-ink);border-radius:16px;justify-content:space-between;align-items:center;gap:24px;padding:22px 26px;text-decoration:none;display:flex}.home-entry-hero-copy{flex-direction:column;gap:10px;display:flex}.home-entry-tag{font:500 13px var(--font-ui);color:var(--accent-bright)}.home-entry-lead{font:400 22px/1.4 var(--font-body);color:var(--plate-ink)}.home-entry-cta{font:600 14px var(--font-ui);color:#a6aecb}.home-entry-art{flex-shrink:0;display:block}.home-entry-card{border-radius:14px;flex-direction:column;justify-content:space-between;gap:10px;padding:20px 22px;display:flex}.home-entry-kicker{font:500 13px var(--font-ui);color:var(--muted)}.home-section{flex-direction:column;gap:14px;display:flex}.home-section-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.home-section-head h2{font:600 22px var(--font-body);margin:0}.home-section-head a{font:500 14px var(--font-ui)}.home-feature-card{border-radius:14px;flex-direction:column;gap:8px;padding:16px 18px;display:flex}.home-card-meta{font:600 13px var(--font-ui);color:var(--accent);display:block}@media (max-width:900px){.home-title{font-size:26px}.home-search,.home-search-box{width:100%}.home-entries{grid-template-columns:minmax(0,1fr);gap:12px}.home-entry-hero{border-radius:16px;padding:16px}.home-entry-lead{font-size:18px}.home-entry-art{display:none}.home-section-head h2{font-size:19px}}.search-form{flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 1.2rem;display:flex}.search-page-box{flex:16rem;width:min(100%,28rem)}.search-group{margin-top:1.5rem}.settings-layout{grid-template-columns:minmax(0,1fr) 360px;align-items:start;gap:36px;display:grid}.settings-main{flex-direction:column;gap:22px;display:flex}.settings-section{flex-direction:column;gap:12px;display:flex}.settings-h2{font:600 18px var(--font-ui);margin:0}.theme-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.theme-card{border:2px solid var(--rule);background:var(--surface);text-align:left;cursor:pointer;color:var(--ink);border-radius:14px;flex-direction:column;gap:10px;padding:12px;display:flex}.theme-thumb{border-radius:10px;gap:6px;height:64px;padding:8px;display:flex}.theme-thumb-plate{border-radius:6px;width:18px}.theme-thumb-lines{flex-direction:column;flex-grow:1;gap:5px;display:flex}.theme-thumb-lines>span{border-radius:6px;height:12px;display:block}.theme-card-foot{justify-content:space-between;align-items:center;gap:6px;display:flex}.theme-card-name{font:600 14px var(--font-ui)}.theme-card-tag{font:600 12px var(--font-ui)}.swatch-row{flex-wrap:wrap;gap:14px;display:flex}.swatch-btn{cursor:pointer;color:var(--ink);background:0 0;border:0;flex-direction:column;align-items:center;gap:6px;padding:0;display:flex}.swatch-dot{border-radius:50%;width:48px;height:48px;display:block}.swatch-label{font:500 12px var(--font-ui);color:var(--muted)}.settings-hint{font:400 13px/1.5 var(--font-ui);color:var(--muted);margin:0}.settings-rows{flex-direction:column;gap:4px;display:flex}.settings-scale-row{border-bottom:1px solid var(--rule);min-height:52px;font:600 15px var(--font-ui);grid-template-columns:120px minmax(0,1fr) 60px;align-items:center;gap:14px;display:grid}.settings-scale-row output{font:500 14px var(--font-ui);color:var(--muted);text-align:right}.settings-toggle-row{border-bottom:1px solid var(--rule);justify-content:space-between;align-items:center;gap:16px;min-height:56px;display:flex}.settings-toggle-row input{flex-shrink:0;width:22px;height:22px}.settings-row-copy{flex-direction:column;gap:2px;display:flex}.settings-row-title{font:600 15px var(--font-ui)}.settings-preview{border-left:1px solid var(--rule);flex-direction:column;gap:12px;padding-left:28px;display:flex}.preview-box{border:1px solid var(--rule);border-radius:16px;flex-direction:column;display:flex;overflow:hidden}.preview-bar{height:44px;font:600 15px var(--font-body);color:#fff;align-items:center;padding:0 14px;display:flex}.preview-body{flex-direction:column;gap:12px;padding:16px;display:flex}.preview-title{font:600 22px var(--font-body);margin:0}.preview-card{border:1px solid #80808040;border-radius:12px;flex-direction:column;gap:10px;padding:14px;display:flex}.preview-eyebrow{font:600 13px var(--font-ui)}.preview-progress{background:#80808040;border-radius:4px;height:8px;display:block;overflow:hidden}.preview-progress>span{border-radius:4px;height:8px;display:block}@media (max-width:900px){.settings-layout{grid-template-columns:minmax(0,1fr);gap:24px}.settings-preview{border-left:0;border-top:1px solid var(--rule);padding-top:20px;padding-left:0}.theme-grid{grid-template-columns:minmax(0,1fr)}.settings-scale-row{grid-template-columns:90px minmax(0,1fr) 52px}}.nav-progress{z-index:100;pointer-events:none;opacity:0;height:3px;transition:opacity .15s;position:fixed;top:0;left:0;right:0;overflow:hidden}.nav-progress.is-active{opacity:1;background:color-mix(in srgb,var(--accent) 22%,transparent)}.nav-progress.is-active:after{content:"";background:var(--accent-bright);border-radius:999px;width:42%;height:100%;animation:1s ease-in-out infinite nav-progress-slide;display:block}@keyframes nav-progress-slide{0%{transform:translate(-110%)}to{transform:translate(260%)}}.nav-loading-pill{top:calc(.75rem + env(safe-area-inset-top,0px));z-index:101;background:var(--plate);color:var(--plate-ink);font:500 .82rem var(--font-ui);pointer-events:none;border:1px solid #ffffff29;border-radius:999px;align-items:center;gap:.55rem;padding:.45rem .85rem;display:inline-flex;position:fixed;right:1rem;box-shadow:0 8px 24px #0a113047}.loading-spinner{border:2px solid #ffffff47;border-top-color:var(--accent-bright);border-radius:50%;width:16px;height:16px;animation:.65s linear infinite loading-spin}@keyframes loading-spin{to{transform:rotate(360deg)}}.astro-home{flex-direction:column;gap:2.4rem;display:flex}.astro-hero{color:#f3f6ff;background:linear-gradient(135deg,#070d26,#101c4d 55%,#1b2b65);border-radius:20px;grid-template-columns:minmax(0,1.25fr) minmax(18rem,.75fr);align-items:center;gap:2rem;padding:clamp(1.5rem,4vw,3rem);display:grid;position:relative;overflow:hidden;box-shadow:0 18px 48px #0a11302e}.astro-hero:before{content:"";opacity:.45;pointer-events:none;background-image:radial-gradient(circle at 12% 18%,#ffffffe6 0 1px,#0000 1.4px),radial-gradient(circle at 66% 22%,#fff9 0 1px,#0000 1.5px),radial-gradient(circle at 84% 72%,#ffffffb3 0 1px,#0000 1.4px),radial-gradient(circle at 34% 76%,#ffffff73 0 1px,#0000 1.4px);background-size:180px 180px,230px 230px,270px 270px,320px 320px;position:absolute;inset:0}.astro-hero-copy,.astro-orbit-art{z-index:1;position:relative}.astro-hero h1{letter-spacing:-.035em;max-width:13ch;margin:.4rem 0 1rem;font-size:clamp(2.3rem,5vw,4.8rem)}.astro-hero p{color:#c8d2f4;max-width:46rem;font:400 1rem/1.75 var(--font-ui)}.astro-kicker{font:650 .74rem/1.35 var(--font-ui);letter-spacing:.09em;text-transform:uppercase;color:var(--accent);display:inline-block}.astro-hero .astro-kicker{color:#ffb35c}.astro-actions{flex-wrap:wrap;gap:.7rem;margin-top:1.4rem;display:flex}.astro-hero .btn{color:#0a1130;background:#fff;border-color:#fff;text-decoration:none}.astro-hero .btn.ghost{color:#fff;background:#ffffff0d;border-color:#ffffff47}.astro-orbit-art{color:#dde6ff}.astro-orbit-art svg{width:100%;height:auto;min-height:250px;display:block}.astro-stats{background:var(--rule);border:1px solid var(--rule);border-radius:14px;grid-template-columns:repeat(6,minmax(0,1fr));gap:1px;display:grid;overflow:hidden}.astro-stats>div{background:var(--surface);flex-direction:column;gap:.35rem;padding:1rem 1.05rem;display:flex}.astro-stats strong{font:650 1.55rem/1 var(--font-ui)}.astro-stats span{font:500 .72rem/1.35 var(--font-ui);color:var(--muted);text-transform:uppercase;letter-spacing:.045em}.astro-section{flex-direction:column;gap:1rem;display:flex}.astro-section-head{justify-content:space-between;align-items:flex-end;gap:1rem;display:flex}.astro-section-head h2{margin:.15rem 0 0;font-size:clamp(1.45rem,2vw,2rem)}.astro-section-head>a{font:600 .86rem var(--font-ui)}.astro-category-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.9rem;display:grid}.astro-category-card{border:1px solid var(--rule);border-top:3px solid var(--astro-color);background:var(--surface);min-height:220px;color:var(--ink);border-radius:14px;flex-direction:column;padding:1.1rem 1.1rem 1rem;text-decoration:none;display:flex;position:relative}.astro-category-card:hover{border-color:color-mix(in srgb,var(--astro-color) 55%,var(--rule));transform:translateY(-2px);box-shadow:0 10px 26px #0a113017}.astro-category-index{font:700 .76rem var(--font-ui);color:var(--astro-color);letter-spacing:.08em}.astro-category-card h3{font:650 1.02rem/1.25 var(--font-ui);margin:.75rem 0 .55rem}.astro-category-card p{font:400 .87rem/1.55 var(--font-ui);color:var(--muted);margin:0 0 1rem}.astro-category-card>span:last-child{font:600 .74rem var(--font-ui);color:var(--muted);margin-top:auto}.astro-era-section{overflow:hidden}.astro-era-track{scroll-snap-type:x proximity;grid-auto-columns:minmax(220px,1fr);grid-auto-flow:column;gap:.8rem;padding-bottom:.4rem;display:grid;overflow-x:auto}.astro-era-card{scroll-snap-align:start;border-left:2px solid var(--accent);background:var(--surface);border-radius:0 12px 12px 0;min-height:170px;padding:1rem 1.05rem}.astro-era-card>span{font:600 .72rem var(--font-ui);color:var(--accent)}.astro-era-card h3{font:650 1rem/1.3 var(--font-ui);margin:.55rem 0}.astro-era-card p{font:400 .84rem/1.55 var(--font-ui);color:var(--muted)}.astro-topic-card h3,.astro-instrument-card h3,.astro-person-full h3{font:650 1.05rem/1.35 var(--font-ui);margin:.45rem 0}.astro-topic-card p,.astro-instrument-card p,.astro-person-full p{font:400 .88rem/1.55 var(--font-ui);color:var(--muted)}.astro-topic-domain{font:650 .72rem var(--font-ui);color:var(--violet)}.astro-people-strip{grid-auto-columns:minmax(220px,1fr);grid-auto-flow:column;gap:.8rem;padding-bottom:.35rem;display:grid;overflow-x:auto}.astro-person-card{border:1px solid var(--rule);background:var(--surface);min-height:150px;color:var(--ink);border-radius:12px;flex-direction:column;gap:.4rem;padding:1rem;text-decoration:none;display:flex}.astro-person-card strong{font:650 .98rem var(--font-ui)}.astro-person-card>span:last-child{font:400 .82rem/1.5 var(--font-ui);color:var(--muted)}.astro-person-years{font:650 .7rem var(--font-ui);color:var(--accent)}.astro-page-head{border-bottom:1px solid var(--rule);margin-bottom:1.35rem;padding:1rem 0 1.25rem}.astro-page-head h1{margin:.35rem 0 .65rem}.astro-page-head p{max-width:52rem;color:var(--muted);font-family:var(--font-ui)}.astro-domain-jump{background:var(--paper);z-index:5;gap:.45rem;padding:.2rem 0 1.2rem;display:flex;position:sticky;top:0;overflow-x:auto}.astro-domain-jump a{font:600 .76rem var(--font-ui);border:1px solid var(--rule);background:var(--surface);color:var(--ink);border-radius:999px;flex:none;padding:.4rem .7rem;text-decoration:none}.astro-domain-section{border-top:1px solid var(--rule);padding:1.4rem 0;scroll-margin-top:3.5rem}.astro-domain-head{grid-template-columns:2.6rem minmax(0,1fr);align-items:start;gap:1rem;margin-bottom:1rem;display:grid}.astro-domain-head>span{background:color-mix(in srgb,var(--astro-color) 12%,var(--surface));width:2.4rem;height:2.4rem;color:var(--astro-color);font:700 .78rem var(--font-ui);border-radius:50%;place-items:center;display:grid}.astro-domain-head h2{margin:0 0 .35rem}.astro-domain-head p{max-width:55rem;color:var(--muted);font-family:var(--font-ui)}.astro-subcategory-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.astro-subcategory-card h3{font:650 1rem var(--font-ui);margin:0 0 .4rem}.astro-subcategory-card ol{margin:.9rem 0 0;padding:0;list-style:none}.astro-subcategory-card li{border-top:1px solid color-mix(in srgb,var(--rule) 70%,transparent);font:500 .84rem var(--font-ui);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:.7rem;padding:.48rem 0;display:grid}.astro-subcategory-card li a{text-decoration:none}.astro-subcategory-card li span{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:.68rem}.astro-subcategory-card li .astro-topic-date{text-transform:none;letter-spacing:0;font-variant-numeric:tabular-nums;font-size:.72rem}.astro-topic-page{max-width:70rem}.crumb-nav{font:500 .78rem var(--font-ui);color:var(--muted);flex-wrap:wrap;align-items:center;gap:.4rem;margin-bottom:1rem;display:flex}.crumb-nav a{text-decoration:none}.astro-topic-hero{border-left:4px solid var(--astro-color);background:linear-gradient(90deg,color-mix(in srgb,var(--astro-color) 9%,var(--surface)),var(--surface));border-radius:0 14px 14px 0;padding:1.6rem 1.7rem}.astro-topic-hero h1{margin:.45rem 0 .7rem}.astro-topic-hero p{max-width:50rem;color:var(--muted);font-family:var(--font-ui)}.astro-topic-content{margin-top:2rem}.astro-blueprint-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:.6rem;display:grid}.astro-blueprint-grid .card{flex-direction:column;gap:.45rem;min-height:110px;display:flex}.astro-blueprint-grid strong{font:600 .9rem var(--font-ui)}.astro-visual-placeholder{border:1px dashed var(--rule);background:linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--violet) 5%,var(--surface)));border-radius:12px;padding:1.2rem}.astro-visual-placeholder>span{font:650 .72rem var(--font-ui);color:var(--violet);text-transform:uppercase;letter-spacing:.07em}.astro-visual-placeholder p{color:var(--muted);font-family:var(--font-ui);margin:.45rem 0 0}.astro-people-era{margin:2rem 0}.astro-people-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.9rem;display:grid}.astro-person-full>span,.astro-person-full small{font:600 .72rem var(--font-ui);color:var(--muted)}.astro-person-hero{border-bottom:1px solid var(--rule);padding-bottom:1rem}.astro-person-hero-with-avatar{align-items:flex-start;gap:1.25rem;display:flex}.astro-person-full{flex-direction:column;gap:.3rem;display:flex}.astro-person-full>svg{margin-bottom:.3rem}.astro-timeline{max-width:64rem;position:relative}.astro-timeline:before{content:"";background:var(--rule);width:1px;position:absolute;top:0;bottom:0;left:8.2rem}.astro-timeline-row{grid-template-columns:7rem minmax(0,1fr);gap:2.4rem;padding:0 0 2.2rem;display:grid;position:relative}.astro-timeline-row:before{content:"";background:var(--accent);width:.7rem;height:.7rem;box-shadow:0 0 0 4px var(--paper);border-radius:50%;position:absolute;top:.35rem;left:7.87rem}.astro-timeline-row time{font:700 .82rem var(--font-ui);color:var(--accent);text-align:right}.astro-timeline-row h2{font:650 1.15rem var(--font-ui);margin:.25rem 0 .35rem}.astro-timeline-row p{color:var(--muted);font-family:var(--font-ui)}.astro-instrument-card{min-height:170px}@media (max-width:1100px){.astro-category-grid,.astro-stats,.astro-blueprint-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:780px){.astro-hero{grid-template-columns:1fr}.astro-orbit-art{display:none}.astro-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.astro-subcategory-grid,.astro-people-grid{grid-template-columns:1fr}.astro-blueprint-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.astro-domain-jump{top:56px}.astro-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:520px){.astro-category-grid{grid-template-columns:1fr}.astro-category-card{min-height:auto}.astro-blueprint-grid{grid-template-columns:1fr}.astro-timeline:before{left:1rem}.astro-timeline-row{grid-template-columns:1fr;gap:.35rem;padding-left:2.2rem}.astro-timeline-row:before{left:.66rem}.astro-timeline-row time{text-align:left}}.astro-topic-status-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.astro-reviewed-badge{font:700 .68rem/1 var(--font-ui);background:color-mix(in srgb,var(--astro-color) 13%,var(--surface));color:var(--astro-color);border:1px solid color-mix(in srgb,var(--astro-color) 30%,var(--rule));text-transform:uppercase;letter-spacing:.045em;border-radius:999px;padding:.38rem .56rem}.astro-v1-dot{color:var(--accent);vertical-align:middle;margin-left:.38rem;font-size:.62rem}.astro-key-takeaways{border:1px solid var(--rule);background:linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--accent) 4%,var(--surface)));border-radius:14px;padding:1.15rem}.astro-takeaway-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;display:grid}.astro-takeaway-grid>div{grid-template-columns:2rem 1fr;align-items:start;gap:.6rem;display:grid}.astro-takeaway-grid span{background:var(--ink);width:1.8rem;height:1.8rem;color:var(--paper);font:700 .7rem var(--font-ui);border-radius:50%;place-items:center;display:grid}.astro-takeaway-grid p{font:500 .88rem/1.55 var(--font-ui);color:var(--muted);margin:0}.astro-article-stack{flex-direction:column;display:flex}.astro-article-section{border-top:1px solid var(--rule);grid-template-columns:3rem minmax(0,1fr);gap:1rem;padding:1.35rem 0;display:grid}.astro-article-section:last-child{border-bottom:1px solid var(--rule)}.astro-section-index{font:700 .72rem/1.4 var(--font-ui);color:var(--accent);letter-spacing:.06em}.astro-article-section h3{font:650 1.12rem/1.35 var(--font-ui);margin:0 0 .45rem}.astro-article-section p,.astro-article-section li{font:400 .94rem/1.72 var(--font-ui);color:var(--muted)}.astro-article-section p{margin:0}.astro-article-section ul{margin:.7rem 0 0;padding-left:1.1rem}.astro-formula-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;display:grid}.astro-formula-card{border:1px solid var(--rule);background:var(--surface);border-radius:12px;flex-direction:column;gap:.55rem;padding:1.05rem;display:flex}.astro-formula-card>span{font:650 .75rem var(--font-ui);color:var(--accent);text-transform:uppercase;letter-spacing:.04em}.astro-formula-card code{background:color-mix(in srgb,var(--ink) 4%,var(--surface));color:var(--ink);border-radius:9px;padding:.8rem;font:600 .95rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;display:block;overflow-x:auto}.astro-formula-card p,.astro-observation-grid p{font:400 .84rem/1.55 var(--font-ui);color:var(--muted);margin:0}.astro-observation-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;display:grid}.astro-observation-grid strong{font:650 .9rem var(--font-ui)}.astro-reference-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;display:grid}.astro-reference-list a{border:1px solid var(--rule);background:var(--surface);border-radius:10px;flex-direction:column;gap:.3rem;padding:.85rem .95rem;text-decoration:none;display:flex}.astro-reference-list strong{font:600 .86rem/1.35 var(--font-ui)}.astro-reference-list span{font:500 .72rem var(--font-ui);color:var(--muted)}.astro-linked-labs{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;display:grid}.astro-lab-inline{border:1px solid var(--rule);background:linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--violet) 5%,var(--surface)));border-radius:12px;grid-template-columns:2rem 1fr;gap:.65rem;padding:1rem;text-decoration:none;display:grid}.astro-lab-inline>span{color:var(--violet);font-size:1.4rem}.astro-lab-inline strong{font:650 .95rem var(--font-ui)}.astro-lab-inline p{font:400 .82rem/1.5 var(--font-ui);color:var(--muted);margin:.3rem 0 0}.astro-lab-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.9rem;display:grid}.astro-lab-card{border:1px solid var(--rule);background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--violet) 5%,var(--surface)));min-height:220px;color:var(--ink);border-radius:14px;flex-direction:column;padding:1.15rem;text-decoration:none;display:flex;position:relative;overflow:hidden}.astro-lab-card:after{content:"";border:1px solid color-mix(in srgb,var(--violet) 22%,transparent);border-radius:50%;width:110px;height:110px;position:absolute;top:-36px;right:-30px}.astro-lab-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px #0a113014}.astro-lab-card h2{font:650 1.1rem/1.3 var(--font-ui);margin:.55rem 0}.astro-lab-card p{font:400 .86rem/1.55 var(--font-ui);color:var(--muted);margin:0}.astro-lab-number{font:750 1.6rem/1 var(--font-ui);color:color-mix(in srgb,var(--violet) 35%,var(--muted));margin-bottom:.8rem}.astro-lab-topic{font:600 .72rem/1.4 var(--font-ui);color:var(--violet);margin-top:auto;padding-top:1rem}.astro-lab-grid-home .astro-lab-card{min-height:190px}.astro-lab-detail{max-width:76rem}.astro-lab-shell{border:1px solid var(--rule);background:var(--surface);border-radius:16px;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:1rem;display:grid;overflow:hidden;box-shadow:0 14px 36px #0a11300f}.astro-lab-stage{background:radial-gradient(circle at 50% 45%,color-mix(in srgb,var(--violet) 8%,var(--surface)),var(--surface) 62%);place-items:center;min-height:390px;padding:1rem;display:grid}.astro-lab-stage svg{width:min(100%,620px);height:auto;overflow:visible}.astro-lab-panel{background:color-mix(in srgb,var(--ink) 2%,var(--surface));border-left:1px solid var(--rule);flex-direction:column;gap:1rem;padding:1.15rem;display:flex}.astro-lab-control{flex-direction:column;gap:.5rem;display:flex}.astro-lab-control>span{font:500 .78rem var(--font-ui);color:var(--muted);justify-content:space-between;gap:.7rem;display:flex}.astro-lab-control strong{color:var(--ink);font-weight:700}.astro-lab-control input{width:100%;accent-color:var(--violet)}.astro-lab-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;display:grid}.astro-lab-metrics>div,.astro-lab-readout{border:1px solid var(--rule);background:var(--surface);border-radius:9px;flex-direction:column;gap:.25rem;padding:.7rem;display:flex}.astro-lab-metrics span,.astro-lab-readout span{font:600 .63rem/1.3 var(--font-ui);color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.astro-lab-metrics strong,.astro-lab-readout strong{font:700 .8rem/1.35 var(--font-ui)}.astro-lab-note{font:400 .72rem/1.45 var(--font-ui);color:var(--muted);margin:auto 0 0}.astro-lab-chipset{flex-wrap:wrap;gap:.35rem;display:flex}.astro-lab-chipset button{border:1px solid var(--rule);background:var(--surface);font:600 .67rem var(--font-ui);color:var(--muted);cursor:pointer;border-radius:999px;padding:.35rem .55rem}.astro-lab-chipset button.active{border-color:var(--violet);color:var(--violet);background:color-mix(in srgb,var(--violet) 6%,var(--surface))}.astro-lab-topic-cta{border:1px solid var(--rule);background:var(--surface);border-radius:13px;justify-content:space-between;align-items:center;gap:1rem;margin-top:2rem;padding:1.15rem 1.25rem;display:flex}.astro-lab-topic-cta h2{margin:.2rem 0 .35rem}.astro-lab-topic-cta p{max-width:48rem;color:var(--muted);font-family:var(--font-ui);margin:0}.astro-lab-orbit,.astro-lab-grid,.astro-lab-horizon,.astro-lab-path,.astro-lab-axis,.astro-lab-sequence,.astro-lab-lightcurve,.astro-lab-fit,.astro-lab-einstein,.astro-lab-lens-halo{fill:none;vector-effect:non-scaling-stroke}.astro-lab-orbit{stroke:color-mix(in srgb,var(--violet) 65%,var(--ink));stroke-width:2px}.astro-lab-grid{stroke:var(--rule);stroke-width:1px}.astro-lab-horizon{stroke:var(--accent);stroke-width:1.5px;stroke-dasharray:5 5}.astro-lab-path{stroke:color-mix(in srgb,var(--violet) 55%,var(--muted));stroke-width:1.5px;stroke-dasharray:4 4}.astro-lab-axis{stroke:color-mix(in srgb,var(--ink) 35%,var(--rule));stroke-width:1.2px}.astro-lab-sequence{stroke:color-mix(in srgb,var(--accent) 55%,var(--muted));stroke-width:7px;stroke-linecap:round;opacity:.28}.astro-lab-lightcurve,.astro-lab-fit{stroke:var(--violet);stroke-width:2.2px}.astro-lab-einstein{stroke:var(--violet);stroke-width:3px;opacity:.75}.astro-lab-lens-halo{stroke:color-mix(in srgb,var(--violet) 24%,transparent);stroke-width:1px}.astro-lab-star,.astro-lab-sun{fill:#fdba74}.astro-lab-planet{fill:#60a5fa}.astro-lab-accent{fill:var(--accent)}.astro-lab-data{fill:color-mix(in srgb,var(--violet) 60%,var(--ink))}.astro-lab-source{fill:#f9a8d4}.astro-hr-main{fill:#fbbf24}.astro-hr-giant{fill:#fb7185}.astro-hr-white{fill:#93c5fd}.astro-lab-svg-label{fill:var(--muted);font:600 10px var(--font-ui)}.astro-lab-click{cursor:pointer}@media (max-width:900px){.astro-lab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.astro-lab-shell{grid-template-columns:1fr}.astro-lab-panel{border-left:0;border-top:1px solid var(--rule)}.astro-takeaway-grid,.astro-formula-grid,.astro-observation-grid,.astro-reference-list,.astro-linked-labs{grid-template-columns:1fr}}@media (max-width:600px){.astro-lab-grid{grid-template-columns:1fr}.astro-lab-stage{min-height:300px}.astro-lab-metrics{grid-template-columns:1fr}.astro-lab-topic-cta{flex-direction:column;align-items:flex-start}.astro-article-section{grid-template-columns:2.2rem minmax(0,1fr)}}.astro-expert-badge{background:color-mix(in srgb,var(--astro-color) 22%,var(--surface));border-color:color-mix(in srgb,var(--astro-color) 48%,var(--rule))}.astro-expert-review{border-top:1px solid var(--rule);padding-top:2rem}.astro-expert-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.astro-expert-grid .card{height:100%}.astro-expert-summary{grid-column:1/-1}.astro-review-date{font:600 .75rem/1 var(--font-ui);color:var(--muted)}@media (max-width:760px){.astro-expert-grid{grid-template-columns:1fr}.astro-expert-summary{grid-column:auto}}.astro-deep-badge{background:color-mix(in srgb,#f59e0b 16%,var(--surface));border-color:color-mix(in srgb,#f59e0b 42%,var(--rule));color:color-mix(in srgb,#b45309 88%,var(--text))}.astro-deep-dive{border-top:1px solid var(--rule);padding-top:2rem}.astro-deep-dive .astro-section-head p{max-width:44rem;color:var(--muted);font-family:var(--font-ui);margin:.45rem 0 0}.astro-deep-chapters{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1rem;display:grid}.astro-deep-chapter{padding-top:2.6rem;position:relative}.astro-deep-chapter .astro-section-index{position:absolute;top:1rem;right:1rem}.astro-deep-chapter h3{margin:.2rem 0 .7rem}.astro-deep-chapter p,.astro-deep-grid p,.astro-deep-grid li,.astro-deep-timeline p,.astro-exercise-grid p{font:400 .92rem/1.65 var(--font-ui);color:var(--muted)}.astro-deep-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1rem;display:grid}.astro-deep-grid h3{margin:.4rem 0 .8rem}.astro-deep-equation{border:1px solid var(--rule);background:color-mix(in srgb,var(--violet) 6%,var(--surface));border-radius:10px;margin:.75rem 0 1rem;padding:.9rem 1rem;font-size:.92rem;display:block;overflow:auto}.astro-deep-grid ol{padding-left:1.2rem}.astro-deep-result{border-left:3px solid var(--violet);background:color-mix(in srgb,var(--violet) 5%,var(--surface));border-radius:0 9px 9px 0;padding:.8rem 1rem}.astro-deep-subsection{margin-top:1.5rem}.astro-deep-timeline,.astro-exercise-grid,.astro-deep-visuals{grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;display:grid}.astro-deep-timeline .card{gap:.35rem;display:grid}.astro-deep-timeline .card>span{font:700 .72rem var(--font-ui);color:var(--violet);letter-spacing:.04em}.astro-exercise-grid details{font:500 .82rem/1.5 var(--font-ui);color:var(--muted)}.astro-exercise-grid summary{cursor:pointer;color:var(--violet)}.astro-deep-visuals{grid-template-columns:repeat(2,minmax(0,1fr))}@media (max-width:900px){.astro-deep-chapters{grid-template-columns:1fr}.astro-deep-timeline,.astro-exercise-grid{grid-template-columns:1fr 1fr}}@media (max-width:680px){.astro-deep-grid,.astro-deep-timeline,.astro-exercise-grid,.astro-deep-visuals{grid-template-columns:1fr}}.astro-wiki{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:2.2rem;display:grid}.astro-wiki-article{min-width:0}.astro-wiki-head{border-bottom:2px solid var(--astro-color);margin-bottom:1.5rem;padding-bottom:1.15rem}.astro-wiki-head h1{margin:.3rem 0 .6rem;font-size:2rem}.astro-wiki-crumb{font:650 .78rem var(--font-ui);margin:0}.astro-wiki-lede{font:400 1.02rem/1.7 var(--font-ui);color:var(--muted);max-width:52rem;margin:.4rem 0 0}.astro-wiki-meta{font:500 .8rem var(--font-ui);flex-wrap:wrap;align-items:center;gap:.15rem .3rem;margin:.7rem 0 0;display:flex}.astro-wiki-section{border-top:1px solid var(--rule);padding:1.35rem 0;scroll-margin-top:4.5rem}.astro-wiki-section h2{font:700 1.28rem/1.3 var(--font-ui);margin:0 0 .7rem}.astro-wiki-section>p,.astro-wiki-section li{font:400 .95rem/1.78 var(--font-ui);color:var(--muted)}.astro-wiki-section>p{margin:0}.astro-wiki-section ul,.astro-wiki-section>ol{margin:.7rem 0 0;padding-left:1.15rem}.astro-wiki-section .astro-deep-subsection p,.astro-wiki-section .astro-deep-grid li{font-size:.9rem}.astro-remember{border-left:4px solid var(--astro-color);background:linear-gradient(135deg,color-mix(in srgb,var(--astro-color) 6%,var(--surface)),var(--surface));margin:0 0 1.5rem;padding:1.2rem 1.3rem;scroll-margin-top:4.5rem}.astro-remember h2{font:700 1.05rem var(--font-ui);margin:0 0 .6rem}.astro-remember ul{flex-direction:column;gap:.45rem;margin:0;padding-left:1.15rem;display:flex}.astro-remember li{font:500 .9rem/1.6 var(--font-ui);color:var(--ink)}.astro-hist-notes{border:1px dashed color-mix(in srgb,var(--astro-color) 45%,var(--rule));background:color-mix(in srgb,var(--astro-color) 4%,var(--surface));border-radius:12px;flex-direction:column;gap:.55rem;margin:.9rem 0 0;padding:1rem 1.1rem .9rem;list-style:none;display:flex}.astro-hist-notes li{font:400 .86rem/1.6 var(--font-ui);color:var(--muted);padding-left:.9rem;position:relative}.astro-hist-notes li:before{content:"‣";color:var(--astro-color);position:absolute;left:0}.astro-hist-notes strong{color:var(--ink)}.astro-wiki-lab .astro-section-head{justify-content:space-between;align-items:end;gap:1rem;margin-bottom:.9rem;display:flex}.astro-embed-lab{margin:0 0 1rem;overflow:hidden}.astro-embed-lab figcaption{border-bottom:1px solid var(--rule);flex-direction:column;gap:.2rem;padding:.95rem 1.1rem;display:flex}.astro-embed-lab figcaption strong{font:650 .95rem var(--font-ui)}.astro-embed-lab figcaption span{font:400 .82rem/1.5 var(--font-ui);color:var(--muted)}.astro-embed-lab .astro-lab-shell{box-shadow:none;border:0;border-radius:0}.astro-expert-note{padding:1.2rem 1.3rem;scroll-margin-top:4.5rem}.astro-expert-note .astro-section-head{justify-content:space-between;align-items:end;gap:1rem;display:flex}.astro-expert-note>p{font:400 .92rem/1.7 var(--font-ui);color:var(--muted);margin:.6rem 0}.astro-expert-note>ul{margin:.5rem 0 0;padding-left:1.15rem}.astro-expert-note li{font:400 .9rem/1.65 var(--font-ui);color:var(--muted)}.astro-model-note{font-size:.84rem}.astro-pitfall{background:color-mix(in srgb,#d97706 7%,var(--surface));font:400 .88rem/1.6 var(--font-ui);color:var(--muted);border-left:3px solid #d97706;border-radius:0 9px 9px 0;margin:.9rem 0 0;padding:.8rem 1rem}.astro-pitfall strong{color:color-mix(in srgb,#b45309 90%,var(--ink))}.astro-provenance{padding:1.05rem 1.15rem}.astro-provenance code{color:var(--astro-color);font:600 .9rem ui-monospace,SFMono-Regular,Menlo,monospace}.astro-provenance p{font:400 .88rem/1.6 var(--font-ui);color:var(--muted);margin:.5rem 0 0}.astro-provenance small{color:var(--muted)}.astro-ref-list{flex-direction:column;gap:.4rem;margin:.4rem 0 0;padding-left:1.3rem;display:flex}.astro-ref-list a{font:500 .9rem/1.5 var(--font-ui);text-decoration:none}.astro-ref-list a:hover{text-decoration:underline}.astro-wiki-aside{flex-direction:column;gap:1rem;display:flex}.astro-wiki-toc{padding:1rem 1.1rem}.astro-wiki-toc .astro-kicker{margin-bottom:.2rem;display:block}.astro-wiki-toc ol{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.astro-wiki-toc a{font:500 .86rem/1.4 var(--font-ui);color:var(--muted);border-left:2px solid #0000;padding:.32rem 0 .32rem .6rem;text-decoration:none;display:block}.astro-wiki-toc a:hover{color:var(--ink);border-left-color:var(--astro-color)}.astro-infobox{padding:0;overflow:hidden}.astro-infobox-title{border-bottom:1px solid var(--rule);border-top:3px solid var(--astro-color);align-items:center;gap:.55rem;padding:1rem 1.1rem;display:flex}.astro-infobox-title strong{font:650 .95rem/1.3 var(--font-ui)}.astro-infobox dl{flex-direction:column;gap:.55rem;margin:0;padding:.9rem 1.1rem;display:flex}.astro-infobox dl>div{grid-template-columns:6.2rem minmax(0,1fr);align-items:start;gap:.6rem;display:grid}.astro-infobox dt{font:650 .72rem/1.4 var(--font-ui);color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding-top:.1rem}.astro-infobox dd{font:500 .84rem/1.45 var(--font-ui);margin:0}.astro-wiki-people{padding:.95rem 1.1rem}.astro-wiki-people>.astro-kicker{margin-bottom:.5rem;display:block}.astro-wiki-people ul{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.astro-wiki-people li{border-top:1px solid color-mix(in srgb,var(--rule) 65%,transparent)}.astro-wiki-people li a{flex-direction:column;gap:.1rem;padding:.5rem 0;text-decoration:none;display:flex}.astro-wiki-people li a:hover strong{color:var(--astro-color)}.astro-wiki-people strong{font:600 .88rem/1.35 var(--font-ui);color:var(--ink)}.astro-wiki-people .astro-person-years{font:600 .7rem var(--font-ui)}.astro-wiki-people-all{font:600 .78rem var(--font-ui);color:var(--astro-color);margin-top:.65rem;text-decoration:none;display:inline-block}@media (max-width:1100px){.astro-wiki{grid-template-columns:minmax(0,1fr) 280px}}@media (max-width:900px){.astro-wiki{flex-direction:column;display:flex}.astro-wiki-aside{order:-1;width:100%}.astro-wiki-aside .topic-sidebar{max-height:none;position:static}.astro-deep-chapters{grid-template-columns:1fr}}.chip-row{flex-wrap:wrap;gap:.5rem;display:flex}.level-badge{font:600 12px var(--font-ui);white-space:nowrap}.topic-toc p.muted,.topic-sidebar-group p.muted{margin:0}.topic-toc ol{flex-direction:column;gap:2px;margin:6px 0 0;padding:0;list-style:none;display:flex}.topic-toc a{min-height:26px;color:var(--muted);font:500 14px var(--font-ui);flex-direction:column;gap:2px;padding:5px 0;text-decoration:none;display:flex}.topic-toc li.toc-sub a{padding-left:12px;font-size:13px}.toc-tier{font:600 11px var(--font-ui);color:var(--accent);text-transform:uppercase;letter-spacing:.03em}.topic-sidebar{flex-direction:column;gap:18px;min-width:0;max-height:calc(100dvh - 2rem);padding-bottom:1rem;padding-right:4px;display:flex;position:sticky;top:1rem;overflow-y:auto}.topic-sidebar-group{flex-direction:column;gap:8px;display:flex}.topic-sidebar-group .row{margin:0}@media (max-width:899px){.topic-sidebar{position:static}}
.site-footer{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#e4e8f3;background:#0e1328;border-top:1px solid #29325a;grid-column:2;margin-top:3rem}.site-footer-inner{grid-template-columns:minmax(14rem,1.4fr) repeat(4,minmax(0,1fr));gap:2rem;max-width:1200px;margin:0 auto;padding:2.5rem 1.5rem;display:grid}.site-footer-brand{flex-direction:column;gap:.6rem;min-width:0;display:flex}.site-footer-brand-name{font:600 1.1rem var(--font-ui);color:#fff}.site-footer-about{font:400 .88rem/1.6 var(--font-ui);color:#9ba4c0;margin:0}.site-footer-credit{font:500 .84rem/1.6 var(--font-ui);color:#9ba4c0;margin:0}.site-footer-credit a{color:#ffb35c;text-decoration:none}.site-footer-credit a:hover{text-decoration:underline}.site-footer-credit-note{color:#6e7694}.site-footer-col{flex-direction:column;gap:.15rem;min-width:0;display:flex}.site-footer-col-title{font:600 .78rem/1.4 var(--font-ui);letter-spacing:.06em;text-transform:uppercase;color:#9ba4c0;margin-bottom:.5rem}.site-footer-col a{font:500 .88rem/1.5 var(--font-ui);color:#d8ddec;padding:.28rem 0;text-decoration:none}.site-footer-col a:hover{color:#fff;text-decoration:underline}@media (max-width:900px){.site-footer{grid-column:1}.site-footer-inner{padding:2rem 1.2rem calc(2rem + var(--nav-h) + env(safe-area-inset-bottom,0px));grid-template-columns:1fr 1fr;gap:1.4rem}.site-footer-brand{grid-column:1/-1}}@media (max-width:520px){.site-footer-inner{grid-template-columns:1fr}}