@font-face{font-family:display;src:url(../media/fraunces-s.p.24tivhgkz9rhh.ttf)format("truetype");font-display:swap;font-weight:100 900}@font-face{font-family:display Fallback;src:local(Arial);ascent-override:84.05%;descent-override:21.91%;line-gap-override:0.0%;size-adjust:116.36%}.yZaJiG_className{font-family:display,display Fallback}.yZaJiG_variable{--font-display:"display", "display Fallback"}
@font-face{font-family:sans;src:url(../media/manrope-s.p.3rjk17h6oms_8.ttf)format("truetype");font-display:swap;font-weight:200 800}@font-face{font-family:sans Fallback;src:local(Arial);ascent-override:106.45%;descent-override:29.96%;line-gap-override:0.0%;size-adjust:100.14%}.b1macW_className{font-family:sans,sans Fallback}.b1macW_variable{--font-sans:"sans", "sans Fallback"}
@font-face{font-family:mono;src:url(../media/modenine-s.p.1ioc8ufkab6f0.ttf)format("truetype");font-display:swap}@font-face{font-family:mono Fallback;src:local(Arial);ascent-override:60.84%;descent-override:15.21%;line-gap-override:0.0%;size-adjust:131.49%}.ZT_qOa_className{font-family:mono,mono Fallback}.ZT_qOa_variable{--font-mono:"mono", "mono Fallback"}
@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:"0.19.0"}.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}
@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.table{display:table}.grow{flex-grow:1}.rounded{border-radius:.25rem}.italic{font-style:italic}}:root{--paper:#f6f5f0;--surface:#fffef9;--ink:#242622;--muted:#666960;--line:#dcded3;--accent:#b93e1f;--orange:#e96b45;--soft-orange:#f4e4d9;--green:#3c5c42;--display:var(--font-display), Georgia, serif;--sans:var(--font-sans), Arial, sans-serif;--mono:var(--font-mono), monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{color:var(--ink);background:var(--paper);font-family:var(--sans);margin:0;font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,summary,select{cursor:pointer}button{color:inherit}button:disabled,select:disabled{cursor:not-allowed;opacity:.55}input,select{min-width:0}button{border:0}a,button{transition:background .18s,color .18s,border-color .18s,box-shadow .18s}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}input:focus,select:focus{border-color:var(--accent)}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.14}h1,h2{font-family:var(--display);letter-spacing:-1.5px;font-weight:550}em{font-family:var(--display);font-weight:450}svg{flex-shrink:0}::selection{color:var(--ink);background:#f8c6af}.section-container{max-width:1264px;margin-inline:auto;padding-inline:42px}.mono-eyebrow{font-family:var(--mono);letter-spacing:1.1px;align-items:center;gap:9px;font-size:12px;line-height:1.5;display:inline-flex}.status-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.button{border:1px solid #0000;border-radius:5px;justify-content:center;align-items:center;gap:22px;min-height:48px;padding:13px 21px;font-size:13px;font-weight:750;line-height:1.5;display:inline-flex}.button.primary{background:var(--ink);color:#fffdf4}.button.primary:hover{background:var(--accent)}.button.secondary{border-color:var(--line);background:0 0}.button.secondary:hover{background:var(--soft-orange)}.button.paper{background:var(--paper);color:var(--ink)}.button.paper:hover{background:#fff}.text-action{align-items:center;gap:12px;min-height:44px;font-size:13px;font-weight:700;display:inline-flex}.text-action:hover{color:var(--accent)}.skip-link{z-index:100;background:var(--ink);color:#fff;padding:12px;position:fixed;top:-100px;left:20px}.skip-link:focus{top:12px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.lab-header{border-bottom:1px solid var(--line)}.header-inner{justify-content:space-between;align-items:center;gap:24px;max-width:1264px;margin:auto;padding:24px 42px;display:flex}.lab-brand{letter-spacing:-1px;flex-shrink:0;align-items:center;gap:11px;font-size:21px;font-weight:800;line-height:1.1;display:inline-flex}.brand-light{font-weight:450}.brand-symbol{background:var(--ink);width:40px;height:43px;color:var(--paper);font-family:var(--display);border-radius:3px;justify-content:center;align-items:center;font-size:38px;line-height:1;display:inline-flex}.lab-brand small{font-family:var(--mono);letter-spacing:1.3px;margin-top:7px;font-size:8px;font-weight:400;display:block}.header-inner nav{align-items:center;gap:32px;font-size:12px;font-weight:700;display:flex}.header-inner nav>a{align-items:center;gap:14px;min-height:44px;display:flex}.header-inner nav>a:hover{color:var(--accent)}.header-inner nav .nav-practice{border:1px solid var(--line);background:#e9ebe2;border-radius:4px;padding:0 16px}.home-hero{grid-template-columns:1.1fr 1fr;align-items:center;gap:48px;padding-top:76px;padding-bottom:76px;display:grid}.hero-editorial{position:relative}.hero-editorial>.mono-eyebrow{font-size:11px}.hero-editorial h1{letter-spacing:-3.5px;margin-top:25px;font-size:clamp(48px,5.15vw,70px);line-height:1.04;position:relative}.hero-editorial h1 em{color:var(--accent);display:inline-block}.hero-asterisk{color:var(--accent);font-family:Georgia,serif;font-size:59px;font-weight:400;position:absolute;top:-8px;right:0}.hero-description{color:var(--muted);max-width:430px;margin-top:26px;font-size:15px;line-height:1.9}.hero-actions{align-items:center;gap:24px;margin-top:30px;display:flex}.hero-notes{color:var(--muted);flex-wrap:wrap;gap:19px;margin-top:24px;font-size:10px;display:flex}.hero-notes span{align-items:center;gap:6px;display:flex}.hero-notes svg{color:var(--green)}.hero-lab{background:var(--surface);border:1px solid #cfd3c6;border-radius:7px;padding:23px 26px 20px;position:relative;transform:rotate(-1deg);box-shadow:8px 8px #e6e8de}.demo-top{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;display:flex}.demo-top .mono-eyebrow,.demo-live{font-family:var(--mono);letter-spacing:1px;font-size:9px}.demo-live{color:var(--green);background:#edf0e7;border-radius:3px;padding:4px 7px}.demo-equation{font-family:var(--display);text-align:center;margin-top:27px;font-size:34px;line-height:1.3}.demo-subtitle{text-align:center;color:var(--muted);margin-top:5px;font-size:10px}.hero-lab .function-plot{margin:8px -4px 0}.hero-lab .function-plot>svg{height:auto}.hero-lab .function-plot figcaption{justify-content:center;margin-top:-8px;font-size:9px}.demo-result{border-top:1px dashed #ccd1c2;justify-content:space-between;align-items:center;margin-top:17px;padding-top:16px;display:flex}.demo-result span{font-family:var(--mono);letter-spacing:1.5px;color:var(--muted);font-size:9px;display:block}.demo-result strong{font-family:var(--display);align-items:center;gap:16px;margin-top:4px;font-size:24px;font-weight:450;display:flex}.demo-result i{background:#adafa5;border-radius:50%;width:4px;height:4px}.demo-result a{background:var(--soft-orange);width:45px;height:45px;color:var(--accent);border-radius:50%;place-items:center;display:grid}.demo-result a:hover{background:var(--accent);color:#fff}.margin-note{font-family:var(--display);color:var(--accent);font-size:14px;font-style:italic;position:absolute;bottom:-28px;right:12px;transform:rotate(-4deg)}.subject-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#eeefe7}.subject-strip>div{min-height:65px;font-family:var(--mono);letter-spacing:1.1px;justify-content:space-between;align-items:center;gap:18px;font-size:11px;display:flex}.subject-strip b{font-family:var(--display);color:var(--accent);font-size:22px;font-weight:400}.catalog-section{padding-top:76px;padding-bottom:75px;scroll-margin-top:25px}.section-title{justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:30px;display:flex}.section-title h2{margin-top:17px;font-size:42px}.section-title p{color:var(--muted);margin-top:14px;font-size:13px;line-height:1.8}.count-stamp{font-family:var(--display);align-items:center;gap:14px;font-size:53px;line-height:1;display:flex}.count-stamp small{font-family:var(--mono);color:var(--muted);letter-spacing:.8px;font-size:9px;line-height:1.6}.catalog-controls{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:12px 0 17px;display:flex}.filter-tabs{flex-wrap:wrap;gap:5px;display:flex}.filter-tabs button{white-space:nowrap;background:0 0;border-radius:4px;min-height:40px;padding:9px 12px;font-size:11px}.filter-tabs button:hover{background:#e7e9de}.filter-tabs button.selected{background:var(--ink);color:var(--paper)}.catalog-search{min-width:195px;max-width:230px;height:41px;color:var(--muted);border:1px solid #c7cabe;border-radius:5px;align-items:center;gap:9px;padding:0 11px;display:flex}.catalog-search input{outline-offset:2px;background:0 0;border:0;width:100%;font-size:11px}.catalog-search button{background:0 0;place-items:center;min-width:26px;min-height:32px;display:grid}.catalog-search kbd{font-family:var(--mono);white-space:nowrap;border:1px solid var(--line);padding:0 4px;font-size:9px}.results-count{font-family:var(--mono);color:var(--muted);padding:18px 0;font-size:10px}.catalog-grid{grid-template-columns:repeat(3,1fr);gap:17px;display:grid}.math-card{background:var(--surface);border:1px solid var(--line);border-radius:5px;flex-direction:column;min-width:0;padding:23px 24px 0;transition:border-color .2s,box-shadow .2s,background .2s;display:flex}.math-card:hover{border-color:var(--accent);background:#fffdf7;box-shadow:3px 3px #e9dfd1}.card-top{justify-content:space-between;align-items:center;margin-bottom:23px;display:flex}.card-top>svg{color:#72796a}.math-symbol{font-family:var(--display);color:var(--green);background:#eef0e7;border-radius:3px;place-items:center;min-width:50px;height:47px;padding:0 9px;font-size:29px;line-height:1;display:grid}.math-card:nth-child(3n+2) .math-symbol{color:var(--accent);background:#f5e9df}.math-card:nth-child(3n) .math-symbol{color:#6b6242;background:#eeecdf}.card-category{font-family:var(--mono);text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:9px;font-size:9px}.math-card h3{letter-spacing:-.5px;font-size:17px;font-weight:750;line-height:1.4}.math-card>p{color:var(--muted);flex:1;max-width:285px;margin-top:9px;margin-bottom:24px;font-size:12px;line-height:1.85}.card-bottom{border-top:1px solid var(--line);justify-content:space-between;align-items:center;min-height:45px;font-size:10px;font-weight:700;display:flex}.card-bottom>span{font-size:17px}.empty-search{text-align:center;padding:60px 20px}.empty-search p{margin:15px}.practice-promo{color:#231e17;background:#d85e38;border-radius:6px;grid-template-columns:1.15fr 1fr;gap:90px;max-width:1180px;margin-bottom:78px;padding:52px 60px;display:grid;position:relative;overflow:hidden}.practice-promo h2{margin-top:19px;font-size:43px;line-height:1.12}.practice-promo h2 em{color:#fff3dc}.practice-promo-copy>p{max-width:420px;margin:20px 0 24px;font-size:13px;line-height:1.9}.promo-footnote{font-family:var(--mono);margin-top:17px;font-size:9px;display:block}.practice-preview{background:var(--surface);border:1px solid var(--ink);border-radius:5px;align-self:center;padding:25px;transform:rotate(2deg);box-shadow:7px 7px #a5442b}.practice-preview>div:first-child{font-family:var(--mono);color:var(--muted);justify-content:space-between;font-size:10px;display:flex}.practice-preview>p:first-of-type{font-family:var(--display);margin:20px 0;font-size:24px}.preview-option{border:1px solid var(--line);min-height:42px;font-family:var(--display);border-radius:4px;align-items:center;gap:13px;margin-bottom:9px;padding:5px 12px;font-size:20px;display:flex}.preview-option>span{font:10px var(--mono);border:1px solid var(--line);border-radius:3px;place-items:center;width:23px;height:23px;display:grid}.preview-option.correct{border-color:var(--green);color:#304e36;background:#edf2e8}.preview-option svg{margin-left:auto}.practice-preview .preview-explanation{color:var(--muted);margin:13px 0;font-size:11px}.practice-preview>a{align-items:center;gap:10px;min-height:38px;font-size:11px;font-weight:800;display:inline-flex}.method-section{padding-bottom:74px}.method-grid{grid-template-columns:repeat(3,1fr);gap:40px;margin-top:36px;display:grid}.method-grid article{border-top:1px solid var(--line);padding-top:24px}.method-grid article>div{color:var(--muted);font-family:var(--mono);justify-content:space-between;align-items:center;font-size:11px;display:flex}.method-grid h3{margin:24px 0 13px;font-size:18px;font-weight:700}.method-grid p{color:var(--muted);font-size:13px;line-height:1.9}.faq-section-new{grid-template-columns:1fr 2fr;gap:60px;padding-top:25px;padding-bottom:85px;display:grid}.faq-section-new h2{margin-top:17px;font-size:43px}.faq-entries details{border-top:1px solid var(--line)}.faq-entries details:last-child{border-bottom:1px solid var(--line)}.faq-entries summary{justify-content:space-between;align-items:center;gap:20px;min-height:65px;padding:18px 0;font-size:13px;font-weight:700;list-style:none;display:flex}.faq-entries summary::-webkit-details-marker{display:none}.faq-entries summary span{font-size:22px;font-weight:400}.faq-entries details[open] summary span{transform:rotate(45deg)}.faq-entries details p{color:var(--muted);padding:0 35px 22px 0;font-size:13px;line-height:1.9}.lab-footer{border-top:1px solid var(--line);max-width:1180px;margin:auto;padding-top:40px}.footer-top{justify-content:space-between;align-items:center;gap:35px;padding-bottom:37px;display:flex}.footer-top>p{font-family:var(--display);color:var(--muted);font-size:21px;font-style:italic;line-height:1.3}.footer-top>a:last-child{align-items:center;gap:25px;min-height:44px;font-size:12px;display:flex}.footer-bottom{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:20px;padding:20px 0 27px;font-size:10px;display:flex}.footer-bottom nav{flex-wrap:wrap;gap:20px;display:flex}.footer-bottom a:hover{color:var(--accent)}.function-plot{min-width:0;margin:0}.function-plot>svg{width:100%;height:auto;display:block;overflow:visible}.function-plot>svg text{font-family:var(--mono);fill:#63695d;font-size:11px}.plot-grid{stroke:#e3e7dc;stroke-width:1px}.plot-axis{stroke:#a8b09d;stroke-width:1.2px}.plot-main,.plot-secondary{fill:none;stroke:var(--accent);stroke-width:2.7px;stroke-linejoin:round}.plot-secondary{stroke:var(--green);stroke-dasharray:7 5;stroke-width:2px}.function-plot figcaption{color:var(--muted);flex-wrap:wrap;gap:20px;padding:5px 0 14px;font-size:11px;display:flex}.function-plot figcaption span{align-items:center;gap:7px;display:flex}.function-plot figcaption i{background:var(--accent);width:16px;height:2px}.function-plot figcaption i.secondary{background:var(--green)}.plot-data{border-top:1px solid var(--line);padding:10px 0;font-size:12px}.plot-data summary{min-height:30px}.table-scroll{max-width:100%;overflow-x:auto}table{border-collapse:collapse;width:100%;margin:12px 0;font-size:12px}th,td{text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;padding:10px}th{background:#edefe4;font-weight:700}.calculator-layout{grid-template-columns:218px minmax(0,1fr);gap:40px;padding-top:34px;padding-bottom:75px;display:grid}.tool-sidebar{border-right:1px solid var(--line);padding-right:20px}.back-link{min-height:44px;color:var(--muted);align-items:center;gap:8px;margin-bottom:20px;font-size:11px;display:flex}.tool-sidebar nav>div{margin-bottom:23px}.tool-sidebar h2{font-family:var(--mono);text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:8px;font-size:10px;font-weight:400}.tool-sidebar nav a{border-radius:4px;align-items:center;gap:10px;min-height:39px;padding:9px 8px;font-size:11px;line-height:1.5;display:flex}.tool-sidebar nav a>span{font-family:var(--display);width:26px;color:var(--muted);flex-shrink:0;font-size:15px}.tool-sidebar nav a:hover{background:#e9ebdf}.tool-sidebar nav a.current{background:var(--soft-orange);color:#8b301b;font-weight:750}.tool-breadcrumb{color:var(--muted);flex-wrap:wrap;gap:10px;padding:10px 0 26px;font-size:10px;display:flex}.tool-breadcrumb a:hover{color:var(--accent)}.tool-page-heading{margin-bottom:28px}.tool-page-heading h1{margin:12px 0 14px;font-size:43px;line-height:1.2}.tool-page-heading>p{color:var(--muted);max-width:600px;font-size:14px}.math-workspace{background:var(--surface);border:1px solid #cbd0c1;border-radius:6px;grid-template-columns:minmax(230px,.9fr) minmax(0,1.2fr);display:grid;overflow:hidden}.math-input-panel{border-right:1px solid var(--line);background:#f1f2e9;padding:24px}.workspace-panel-heading{justify-content:space-between;align-items:center;gap:10px;min-height:35px;margin-bottom:20px;display:flex}.workspace-panel-heading .mono-eyebrow{letter-spacing:.8px;font-size:9px}.icon-button{background:0 0;border-radius:4px;place-items:center;min-width:35px;min-height:35px;display:grid}.icon-button:hover{background:#e2e6d8}.math-fields{flex-direction:column;gap:19px;display:flex}.math-fields label,.practice-config label{flex-direction:column;gap:8px;font-size:12px;font-weight:700;display:flex}.math-fields input,.math-fields select,.practice-config select{background:var(--surface);width:100%;min-height:45px;color:var(--ink);border:1px solid #abb3a0;border-radius:4px;padding:10px 12px;font-size:13px}.math-fields input{font-family:var(--mono);font-size:16px}.math-fields small,.field-help{color:var(--muted);font-size:10px;font-weight:400;line-height:1.8}.solve-button{width:100%;margin-top:26px}.local-note{color:var(--muted);justify-content:center;align-items:center;gap:7px;margin-top:14px;font-size:9px;display:flex}.math-result-panel{min-width:0;padding:24px}.result-placeholder{text-align:center;min-height:270px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.result-placeholder>span{font-family:var(--display);color:#6f775e;margin-bottom:20px;font-size:65px;line-height:1.2}.result-placeholder h3{font-family:var(--display);color:var(--ink);margin-bottom:12px;font-size:25px;font-weight:450}.result-placeholder p{font-size:12px;line-height:1.8}.result-answer{overflow-wrap:anywhere;background:#edf0e5;border:1px solid #d3dac9;border-radius:4px;padding:19px}.result-answer>span{font-family:var(--mono);color:var(--green);letter-spacing:1px;font-size:9px}.result-answer output{font-family:var(--mono);color:var(--ink);margin-top:10px;font-size:22px;line-height:1.5;display:block}.result-answer small{margin-top:8px;font-size:11px;display:block}.result-details{grid-template-columns:1fr 1fr;gap:16px;margin:20px 0;display:grid}.result-details>div{min-width:0}.result-details dt{color:var(--muted);margin-bottom:5px;font-size:10px}.result-details dd{font-family:var(--mono);overflow-wrap:anywhere;margin:0;font-size:14px}.solution-steps{margin-top:25px}.solution-steps h3{margin-bottom:15px;font-size:13px}.solution-steps ol{margin:0;padding:0;list-style:none}.solution-steps li{align-items:baseline;gap:13px;margin:14px 0;display:flex}.solution-steps li>span{font-family:var(--mono);color:var(--accent);flex-shrink:0;font-size:10px}.solution-steps p{overflow-wrap:anywhere;font-size:12px;line-height:1.85}.result-note{border-top:1px solid var(--line);color:var(--muted);margin-top:20px;padding-top:15px;font-size:10px;line-height:1.8}.calculation-error{color:#813119;background:#fff0e6;border:1px solid #ce7457;border-radius:4px;padding:16px}.calculation-error strong{font-size:13px}.calculation-error p{overflow-wrap:anywhere;margin-top:8px;font-size:12px}.workspace-graph{border-top:1px solid var(--line);grid-column:1/-1;padding:22px 30px}.workspace-graph .function-plot{max-width:740px;margin:auto}.tool-guide{padding:40px 0 25px}.guide-heading{align-items:center;gap:15px;margin-bottom:25px;display:flex}.guide-heading>svg{color:var(--green)}.guide-heading .mono-eyebrow{font-size:10px}.guide-heading h2{letter-spacing:-.7px;margin-top:7px;font-size:28px}.tool-guide section{margin-top:24px}.tool-guide h3{margin-bottom:12px;font-size:14px}.tool-guide p{color:#585e52;font-size:13px;line-height:1.95}.worked-example{border-left:3px solid var(--accent);background:#f0eee4;padding:18px 24px}.worked-example .mono-eyebrow{color:var(--accent);margin-bottom:8px;font-size:9px}.guide-reference{border-top:1px solid var(--line);margin-top:25px;padding-top:15px;font-size:10px!important}.guide-reference a{text-underline-offset:3px;text-decoration:underline}.tool-practice-cta{background:#e9edde;border:1px solid #cbd2bd;border-radius:5px;justify-content:space-between;align-items:center;gap:25px;padding:25px;display:flex}.tool-practice-cta .mono-eyebrow{color:var(--green);font-size:9px}.tool-practice-cta h2{letter-spacing:-.5px;margin:10px 0;font-size:24px}.tool-practice-cta p{color:var(--muted);font-size:11px}.tool-practice-cta .button{flex-shrink:0}.related-tools{margin-top:35px}.related-tools>.mono-eyebrow{font-size:10px}.related-tools>div{grid-template-columns:repeat(3,1fr);gap:13px;margin-top:15px;display:grid}.related-tools a{border:1px solid var(--line);border-radius:4px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:9px;padding:17px;display:flex}.related-tools a:hover{border-color:var(--accent)}.related-tools a>span{font-family:var(--display);color:var(--green);font-size:22px}.related-tools strong{order:3;width:100%;font-size:11px;line-height:1.5}.practice-page{padding-top:50px;padding-bottom:80px}.page-intro{margin-bottom:38px}.page-intro h1{margin:16px 0;font-size:49px}.page-intro h1 em{color:var(--accent)}.page-intro>p{color:var(--muted);font-size:14px}.practice-layout{grid-template-columns:270px minmax(0,1fr);gap:28px;display:grid}.practice-config{background:#eceedf;border:1px solid #cfd4c2;border-radius:5px;align-self:start;padding:27px}.practice-config>.mono-eyebrow{font-size:10px}.practice-config h2{letter-spacing:-.7px;margin:12px 0 26px;font-size:30px}.practice-config label{margin-top:17px}.practice-config select{font-size:11px}.practice-config .field-help{margin-top:15px}.session-info{border-top:1px solid #cfd4c2;margin-top:24px;padding-top:15px}.session-info>span{color:var(--muted);justify-content:space-between;gap:12px;margin:10px 0;font-size:11px;display:flex}.session-info strong{color:var(--ink);font-size:11px;font-weight:700}.practice-config .button{background:var(--paper);width:100%;margin-top:18px;font-size:11px}.practice-workspace{border:1px solid var(--line);background:var(--surface);border-radius:5px;min-width:0;min-height:560px;padding:38px}.practice-welcome{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:490px;display:flex}.welcome-symbol{font-family:var(--display);color:var(--accent);margin-bottom:18px;font-size:72px;font-style:italic;line-height:1.3}.practice-welcome .mono-eyebrow{font-size:10px}.practice-welcome h2{margin:20px 0;font-size:39px;line-height:1.13}.practice-welcome p{color:var(--muted);max-width:440px;margin-bottom:25px;font-size:13px;line-height:1.9}.practice-welcome small{color:var(--muted);margin-top:18px;font-size:10px}.exercise-header{color:var(--muted);justify-content:space-between;align-items:center;gap:15px;font-size:11px;display:flex}.exercise-header .mono-eyebrow{color:var(--ink);font-size:10px}progress{appearance:none;background:#e9ecdf;border:0;border-radius:2px;width:100%;height:4px;margin:17px 0 28px}progress::-webkit-progress-bar{background:#e9ecdf;border-radius:2px}progress::-webkit-progress-value{background:var(--accent);border-radius:2px}progress::-moz-progress-bar{background:var(--accent)}.exercise-topic{font-size:10px;font-family:var(--mono);color:var(--green);text-transform:uppercase;letter-spacing:.8px}.exercise-question{font-family:var(--display);letter-spacing:-.6px;overflow-wrap:anywhere;margin:20px 0 25px;font-size:28px;line-height:1.45}.answer-options{border:0;grid-template-columns:1fr 1fr;gap:12px;margin:0;padding:0;display:grid}.answer-option{cursor:pointer;min-height:60px;font-family:var(--mono);overflow-wrap:anywhere;border:1px solid #b5bdac;border-radius:4px;align-items:center;gap:13px;padding:14px;font-size:18px;display:flex;position:relative}.answer-option input{opacity:0;width:1px;height:1px;position:absolute}.answer-option:focus-within{outline:3px solid var(--accent);outline-offset:3px}.answer-option .option-letter{font-size:11px;font-family:var(--sans);border:1px solid var(--line);width:27px;height:27px;color:var(--muted);border-radius:3px;flex-shrink:0;place-items:center;display:grid}.answer-option.chosen{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);background:#f0f1e9}.answer-option.right-answer{border-color:var(--green);color:#2b542e;box-shadow:inset 0 0 0 1px var(--green);background:#eaf1e3}.answer-option.wrong-answer{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:#fbede5}.answer-options:disabled{opacity:1}.answer-options:disabled label{cursor:default}.answer-option svg{margin-left:auto}.answer-feedback{background:#eef4e9;border:1px solid #bdcdb3;border-radius:4px;margin-top:23px;padding:17px 20px}.answer-feedback.retry{background:#fcf0e4;border-color:#d6b48d}.answer-feedback strong{font-size:13px}.answer-feedback p{margin-top:8px;font-size:12px;line-height:1.9}.answer-feedback a{min-height:28px;margin-top:10px;font-size:11px;text-decoration:underline;display:inline-block}.practice-hint{color:var(--muted);margin-top:23px;font-size:11px}.exercise-actions{justify-content:flex-end;margin-top:26px;display:flex}.practice-finished>.mono-eyebrow{margin-top:15px;font-size:10px;display:block}.practice-finished>svg{color:var(--green)}.practice-finished h2{margin:12px 0;font-size:65px}.practice-finished h2 em{color:var(--muted);font-size:40px}.practice-finished>p{color:var(--muted);max-width:550px;margin-bottom:20px;font-size:13px;line-height:1.9}.attempt-review{margin-top:35px}.attempt-review h3{margin-bottom:15px;font-size:15px}.attempt-review details{border-top:1px solid var(--line);padding:13px 0}.attempt-review summary{align-items:center;gap:13px;min-height:36px;font-size:12px;list-style:none;display:flex}.review-ok,.review-wrong{color:var(--green);background:#e5eddf;border-radius:50%;padding:5px}.review-wrong{color:var(--accent);background:#f6e4d7}.attempt-review p{margin:12px 0;font-size:12px;line-height:1.9}.attempt-review a{font-size:11px;text-decoration:underline}.legal-site,.site-shell{min-height:100vh}.calc-header{border-bottom:1px solid var(--line);align-items:center;gap:25px;max-width:1264px;margin:auto;padding:24px 42px;display:flex}.back-home{align-items:center;gap:10px;min-height:44px;margin-left:auto;font-size:12px;display:flex}.back-home svg,.language-button svg{width:17px}.language-button{background:0 0;align-items:center;gap:8px;min-height:44px;padding:7px;font-size:12px;display:flex}.legal-page{max-width:850px;margin:50px auto 70px;padding:0 28px}.legal-page h1{margin:15px 0;font-size:45px}.legal-page .kicker,.kicker{font-family:var(--mono);text-transform:uppercase;letter-spacing:1px;font-size:11px}.legal-intro{color:var(--muted);font-size:17px;line-height:1.8}.legal-page section{margin-top:30px}.legal-page h2{letter-spacing:-.5px;margin-bottom:13px;font-size:26px}.legal-page p{line-height:1.9}.legal-page section p{color:var(--muted);font-size:14px}.legal-updated{color:var(--muted);margin-top:35px;font-size:11px}.loading-symbol{animation:1s ease-in-out infinite pulse}@keyframes pulse{50%{opacity:.5}}@media (min-width:1450px){.home-hero{padding-top:85px;padding-bottom:85px}.hero-editorial h1{font-size:72px}}@media (max-width:1100px){.section-container,.header-inner{padding-inline:28px}.hero-asterisk{font-size:45px;right:-10px}.home-hero{gap:35px}.hero-editorial h1{font-size:57px}.hero-actions{flex-wrap:wrap;gap:14px}.catalog-controls{flex-direction:column;align-items:stretch;gap:12px}.catalog-search{max-width:100%}.practice-promo{gap:45px;margin-inline:28px;padding:40px}.lab-footer{margin-inline:28px}.calculator-layout{grid-template-columns:180px minmax(0,1fr);gap:25px}.tool-sidebar{padding-right:12px}.math-workspace{grid-template-columns:1fr}.math-input-panel{border-right:0;border-bottom:1px solid var(--line)}.math-fields{grid-template-columns:1fr 1fr;gap:17px;display:grid}.math-fields label:only-child{grid-column:1/-1}.tool-page-heading h1{font-size:38px}.tool-practice-cta{flex-direction:column;align-items:flex-start}}@media (max-width:800px){.header-inner{padding-top:18px;padding-bottom:18px}.header-inner nav{gap:18px}.header-inner nav>a:nth-child(2){display:none}.home-hero{gap:30px;padding-top:47px;padding-bottom:58px}.hero-editorial h1{letter-spacing:-2.3px;font-size:46px}.hero-asterisk{display:none}.hero-description{font-size:13px}.hero-lab{padding:18px}.demo-equation{font-size:27px}.hero-notes{gap:10px;font-size:9px}.hero-actions .button{gap:10px;padding:12px 14px;font-size:11px}.demo-live{display:none}.subject-strip>div{gap:10px;font-size:9px}.section-title h2{font-size:35px}.catalog-grid{grid-template-columns:repeat(2,1fr)}.practice-promo{gap:30px;padding:35px}.practice-promo h2{font-size:34px}.practice-preview{padding:20px}.practice-preview>p:first-of-type{font-size:21px}.method-grid{gap:25px}.method-grid h3{font-size:16px}.method-grid p{font-size:12px}.faq-section-new{grid-template-columns:1fr 1.7fr;gap:35px}.footer-top>p{font-size:18px}.footer-bottom{flex-direction:column}.calculator-layout{grid-template-columns:1fr}.tool-sidebar{display:none}.math-workspace{grid-template-columns:minmax(220px,.9fr) minmax(0,1fr)}.math-input-panel{border-right:1px solid var(--line);border-bottom:0}.math-fields{display:flex}.practice-layout{grid-template-columns:220px minmax(0,1fr);gap:18px}.practice-config{padding:20px}.practice-workspace{padding:25px}.answer-options{grid-template-columns:1fr}.practice-welcome h2{font-size:32px}.exercise-question{font-size:25px}.page-intro h1{font-size:40px}.practice-config select{padding:10px 7px}.tool-practice-cta{flex-direction:row;align-items:center}}@media (max-width:600px){.section-container,.header-inner{padding-inline:20px}.header-inner{gap:12px}.lab-brand{gap:8px;font-size:18px}.brand-symbol{width:32px;height:36px;font-size:32px}.lab-brand small{letter-spacing:1.05px;font-size:6px}.header-inner nav{gap:0}.header-inner nav>a:not(.nav-practice){display:none}.header-inner nav .nav-practice{gap:6px;min-height:40px;padding:0 10px;font-size:10px}.home-hero{grid-template-columns:1fr;gap:44px;padding-top:43px;padding-bottom:54px}.hero-editorial h1{letter-spacing:-2.7px;margin-top:20px;font-size:54px}.hero-editorial>.mono-eyebrow{font-size:9px}.hero-asterisk{font-size:46px;display:inline;top:0;right:12px}.hero-description{max-width:330px;margin-top:22px;font-size:14px}.hero-actions{gap:20px;margin-top:25px}.hero-actions .button{padding:12px 14px;font-size:11px}.text-action{gap:8px;font-size:11px}.hero-notes{gap:15px;font-size:9px}.hero-lab{margin:0 5px;padding:20px 23px;transform:rotate(-.6deg)}.demo-live{display:block}.demo-equation{margin-top:24px;font-size:33px}.demo-subtitle{font-size:11px}.demo-top .mono-eyebrow,.demo-live{font-size:8px}.subject-strip>div{flex-wrap:wrap;justify-content:center;gap:0 13px;min-height:70px;padding-block:12px;font-size:9px}.subject-strip span:last-of-type,.subject-strip svg{display:none}.subject-strip b{font-size:18px}.subject-strip b:last-of-type{display:none}.catalog-section{padding-top:45px;padding-bottom:45px}.section-title{align-items:flex-start;gap:15px;margin-bottom:20px}.section-title .mono-eyebrow{font-size:9px}.section-title h2{letter-spacing:-1px;margin-top:13px;font-size:31px;line-height:1.2}.section-title p{margin-top:12px;font-size:12px}.count-stamp{gap:8px;margin-top:34px;font-size:37px}.count-stamp small{font-size:7px}.catalog-controls{gap:17px;padding-top:0}.filter-tabs{gap:4px}.filter-tabs button{min-height:40px;padding:9px 11px;font-size:10px}.catalog-search{height:44px}.catalog-search input{font-size:12px}.catalog-grid{gap:12px}.math-card{padding:17px 15px 0}.card-top{margin-bottom:20px}.math-symbol{min-width:42px;height:42px;font-size:24px}.card-top>svg{width:17px}.card-category{letter-spacing:.7px;min-height:13px;font-size:8px}.math-card h3{letter-spacing:-.3px;font-size:14px;line-height:1.45}.math-card>p{margin-bottom:17px;font-size:11px;line-height:1.75}.card-bottom{min-height:42px;font-size:9px}.results-count{padding:15px 0;font-size:9px}.practice-promo{margin-inline:20px;grid-template-columns:1fr;gap:30px;margin-bottom:45px;padding:28px 25px 35px}.practice-promo h2{font-size:36px}.practice-promo .mono-eyebrow{font-size:9px}.practice-promo-copy>p{font-size:12px}.practice-preview{margin:0 6px}.practice-preview>p:first-of-type{font-size:25px}.method-section{padding-bottom:45px}.method-section .section-title{flex-direction:column;gap:2px}.method-grid{grid-template-columns:1fr;gap:25px;margin-top:25px}.method-grid article{padding-top:15px}.method-grid h3{margin:17px 0 10px;font-size:18px}.method-grid p{font-size:13px}.method-grid article>div{justify-content:flex-start;gap:15px}.faq-section-new{grid-template-columns:1fr;gap:25px;padding-top:15px;padding-bottom:50px}.faq-section-new h2{font-size:35px;line-height:1.2}.faq-section-new h2 br{display:none}.faq-section-new h2 em{margin-left:8px}.faq-entries summary{min-height:60px;font-size:12px}.faq-entries details p{padding-right:10px;font-size:12px}.lab-footer{margin-inline:20px;padding-top:30px}.footer-top{flex-wrap:wrap;gap:25px;padding-bottom:27px}.footer-top>p{font-size:17px}.footer-top>a:last-child{border-top:1px solid var(--line);justify-content:space-between;width:100%;padding-top:12px;font-size:11px}.footer-bottom{gap:16px;font-size:9px}.footer-bottom nav{gap:16px}.footer-bottom nav a{min-height:30px}.calculator-layout{padding-top:15px;padding-bottom:45px}.tool-breadcrumb{padding-bottom:23px;font-size:9px}.tool-page-heading .mono-eyebrow{font-size:9px}.tool-page-heading h1{letter-spacing:-1.2px;margin-top:12px;font-size:35px}.tool-page-heading>p{font-size:13px}.math-workspace{grid-template-columns:1fr}.math-input-panel{border-right:0;border-bottom:1px solid var(--line);padding:22px}.math-fields{gap:17px}.math-fields input{font-size:16px}.math-result-panel{padding:22px}.result-placeholder{min-height:210px}.workspace-graph{padding:20px 13px}.workspace-panel-heading .mono-eyebrow{font-size:9px}.workspace-graph .field-help{font-size:8px}.function-plot>svg text{font-size:13px}.tool-guide{padding-top:30px}.guide-heading{gap:10px}.guide-heading h2{font-size:25px}.guide-heading .mono-eyebrow{font-size:8px}.tool-guide p{font-size:12px}.worked-example{padding:17px}.tool-practice-cta{flex-direction:column;align-items:flex-start;gap:18px;padding:22px}.tool-practice-cta h2{font-size:25px}.related-tools>div{grid-template-columns:1fr}.related-tools a{flex-wrap:nowrap}.related-tools strong{flex:1;order:0;width:auto;font-size:12px}.related-tools a>span{min-width:40px}.practice-page{padding-top:35px;padding-bottom:45px}.page-intro{margin-bottom:26px}.page-intro>.mono-eyebrow{font-size:9px}.page-intro h1{font-size:38px;line-height:1.12}.page-intro>p{font-size:12px}.practice-layout{grid-template-columns:1fr}.practice-config{padding:23px}.practice-config h2{margin:10px 0 18px;font-size:28px}.practice-config label{margin-top:14px}.practice-config select{font-size:13px}.session-info{flex-wrap:wrap;gap:14px;margin-top:17px;padding-top:10px;display:flex}.session-info>span{flex-direction:column;gap:3px;margin:5px 0}.practice-workspace{min-height:400px;padding:24px}.practice-welcome{min-height:400px}.welcome-symbol{font-size:60px}.practice-welcome h2{font-size:33px}.practice-welcome p{font-size:12px}.practice-welcome .mono-eyebrow{font-size:9px}.exercise-question{font-size:25px}.exercise-topic{font-size:9px}.answer-options{gap:10px}.answer-option{min-height:58px}.exercise-actions .button{width:100%}.calc-header{flex-wrap:wrap;gap:10px;padding:18px 20px}.back-home,.language-button{font-size:10px}.legal-page{margin-top:30px;padding-inline:20px}.legal-page h1{font-size:35px}.legal-intro{font-size:15px}.legal-page section p{font-size:13px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}.hero-description{font-size:16px}.header-inner nav{font-size:13px}.math-card>p{font-size:14px}.math-card h3{font-size:18px}.card-bottom{font-size:11px}.section-title p,.method-grid p,.tool-page-heading>p,.tool-guide p{font-size:15px}.solution-steps p{font-size:14px}.math-fields small,.field-help,.result-note,.tool-sidebar nav a{font-size:12px}.tool-sidebar nav a>span{width:30px;font-size:14px}.practice-config .field-help{font-size:11px}.answer-feedback p,.practice-welcome p,.attempt-review p{font-size:14px}.not-found-page{min-height:65vh;padding-block:85px}.not-found-page h1{margin:20px 0;font-size:44px}.not-found-page p{max-width:620px;color:var(--muted);margin-bottom:28px}@media (max-width:600px){.math-card>p{font-size:12px}.math-card h3{font-size:15px}.card-bottom{font-size:10px}.hero-description{font-size:15px}.section-title p,.method-grid p,.tool-page-heading>p{font-size:13px}.tool-guide p,.solution-steps p{font-size:14px}.math-fields small,.field-help,.result-note{font-size:12px}.not-found-page h1{font-size:36px}}.section-container,.header-inner{max-width:1680px;padding-inline:28px}.lab-footer{max-width:1624px;margin-inline:auto;padding-inline:0}.home-hero{grid-template-columns:1.08fr 1fr;gap:65px;padding-top:62px;padding-bottom:70px}.hero-editorial h1{font-size:clamp(54px,5.1vw,82px)}.hero-description{max-width:560px}.hero-lab{padding:25px 32px}.hero-asterisk{top:0;right:25px}.practice-promo{gap:12%;max-width:1624px;padding:55px 70px}.catalog-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.catalog-section{padding-top:65px}.calculator-layout{grid-template-columns:225px minmax(0,1fr);gap:30px}.math-workspace{grid-template-columns:minmax(260px,.65fr) minmax(0,1.35fr)}.math-input-panel{border-bottom:1px solid var(--line);align-self:start}.math-result-panel{align-self:start}.tool-guide{max-width:1150px}.workspace-graph{padding:26px 32px}.workspace-graph .function-plot{max-width:none}.math-formula{max-width:100%;font-size:1em}.math-display{text-align:left;padding:10px 2px;display:block;overflow:auto hidden}.math-display .katex-display{text-align:left;margin:.25em 0}.math-display .katex-display>.katex{text-align:left}.result-answer output{font-family:var(--sans);font-size:23px}.result-answer .math-display{margin-top:0}.worked-solution{border-top:1px solid var(--line);background:var(--surface);grid-column:1/-1;min-width:0;padding:38px 36px 20px}.worked-solution-heading h2{margin:12px 0;font-size:32px}.worked-solution-heading>p{color:var(--muted);max-width:780px;font-size:14px}.worked-solution>ol{margin:25px 0 0;padding:0;list-style:none}.worked-solution>ol>li{border-top:1px solid var(--line);gap:23px;padding:25px 0;display:flex}.worked-step-index{width:34px;height:34px;color:var(--green);font-family:var(--mono);background:#e9eedf;border-radius:50%;flex-shrink:0;place-items:center;font-size:12px;display:grid}.worked-solution li>div{flex:1;min-width:0}.worked-solution h3{margin:2px 0 10px;font-size:18px;line-height:1.4}.worked-solution li p{color:#535b4e;max-width:1050px;font-size:15px;line-height:1.95}.worked-solution .math-display{background:#f0f2e8;border-left:2px solid #acb99b;border-radius:3px;margin-top:14px;padding:18px 20px;font-size:19px}.worked-solution small{color:var(--muted);margin-top:12px;font-size:12px;display:block}.bounded-table{max-height:420px;overflow:auto}.result-table-details{border-top:1px solid var(--line);margin-top:20px;padding-top:12px;font-size:13px}.result-table-details summary{min-height:40px}.interactive-plot{position:relative}.plotly-host{width:100%;min-height:430px}.compact .plotly-host{min-height:280px}.function-plot .plotly-host svg{width:auto;height:auto;overflow:hidden}.function-plot .plotly-host svg text{font-family:Arial,sans-serif;font-size:inherit;fill:inherit}.plot-controls{flex-wrap:wrap;align-items:center;gap:5px;display:flex}.plot-controls button{background:#eef1e5;border:1px solid #cfd8c3;border-radius:4px;place-items:center;width:40px;height:40px;display:grid}.plot-controls button:hover{background:#e0e8d4}.plot-controls>span{color:var(--muted);align-items:center;gap:7px;margin-left:12px;font-size:12px;display:flex}.plot-help{color:var(--muted);margin:4px 0 15px;font-size:12px;line-height:1.8}.plot-status{color:var(--accent);min-height:5px;font-size:12px}.interactive-plot .modebar-container{z-index:1!important}.exercise-formula{background:#eff2e6;border-radius:5px;margin:0 0 25px;padding:16px 22px;font-size:25px;overflow-x:auto}.answer-option .katex{font-size:1.2em}.programming-promo{grid-template-columns:1fr 1fr;align-items:center;gap:70px;padding-top:0;padding-bottom:65px;display:grid}.programming-promo h2{margin:17px 0;font-size:45px}.programming-promo p{max-width:540px;color:var(--muted);margin-bottom:24px;font-size:15px;line-height:1.9}.code-promo-snippet{color:#dfebd4;background:#242922;border:1px solid #46513d;border-radius:7px;padding:27px 30px;box-shadow:8px 8px #dce3d2}.code-promo-snippet>span{font-family:var(--mono);color:#bbcba8;font-size:11px}.code-promo-snippet pre{white-space:pre-wrap;margin:25px 0;font-size:16px;line-height:1.95}.programming-page{padding-top:50px;padding-bottom:75px}.programming-page .page-intro p{max-width:760px;line-height:1.9}.programming-layout{grid-template-columns:270px minmax(0,1fr);gap:30px;display:grid}.code-course-nav{background:#eef1e5;border:1px solid #cfd7c3;border-radius:5px;align-self:start;padding:25px 18px}.code-course-nav>.mono-eyebrow{padding-left:8px;font-size:10px}.course-progress{align-items:baseline;gap:12px;padding:13px 8px 22px;display:flex}.course-progress strong{font-family:var(--display);font-size:28px}.course-progress span{color:var(--muted);font-size:11px}.code-course-nav nav{flex-direction:column;gap:4px;display:flex}.code-course-nav nav button{text-align:left;background:0 0;border-radius:4px;align-items:center;gap:12px;min-height:48px;padding:10px 9px;font-size:12px;display:flex}.code-course-nav nav button.active{background:var(--ink);color:var(--paper)}.code-course-nav nav button:hover:not(.active){background:#dfe7d3}.code-course-nav nav button>span:first-child{font-family:var(--mono);flex-shrink:0;width:20px;font-size:11px}.code-course-nav>p{color:var(--muted);border-top:1px solid #cfd7c3;margin:20px 8px 0;padding-top:17px;font-size:11px;line-height:1.85}.programming-content{min-width:0}.lesson-heading{margin-bottom:25px}.lesson-heading>.mono-eyebrow{font-size:11px}.lesson-heading h2{margin:14px 0;font-size:40px}.lesson-heading>p{color:var(--muted);font-size:15px}.lesson-tabs{gap:8px;margin-top:24px;display:flex}.lesson-tabs button{background:#e8ede0;border-radius:4px;min-height:46px;padding:12px 20px;font-size:13px}.lesson-tabs button.selected{background:var(--ink);color:var(--paper)}.code-lesson{background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:10px 32px}.code-lesson>section{border-bottom:1px solid var(--line);gap:23px;padding:28px 0;display:flex}.lesson-step-number{font-family:var(--mono);color:var(--accent);flex-shrink:0;padding-top:5px;font-size:12px}.code-lesson section>div{min-width:0}.code-lesson h3{margin-bottom:13px;font-size:19px}.code-lesson p{color:#56604e;max-width:1000px;font-size:15px;line-height:1.95}.code-lesson pre,.code-challenge pre{border-left:3px solid var(--green);background:#edf1e5;margin:18px 0 0;padding:20px 24px;font-size:14px;line-height:1.85;overflow-x:auto}.code-lesson-cta{justify-content:space-between;align-items:center;gap:20px;padding:26px 0;display:flex}.code-lesson-cta p{font-size:13px}.code-challenge{background:var(--surface);border:1px solid var(--line);border-radius:5px;margin-bottom:22px;padding:25px 28px}.code-challenge>.mono-eyebrow{font-size:10px}.code-challenge h3{font-size:24px;font-family:var(--display);margin:11px 0}.code-challenge p{max-width:1000px;font-size:14px;line-height:1.9}.function-contract{color:var(--green);background:#edf0e5;border-radius:4px;align-items:center;gap:12px;margin:18px 0;padding:13px 17px;font-size:15px;display:flex}.code-challenge details{border-top:1px solid var(--line);margin-top:12px;padding-top:10px}.code-challenge summary{align-items:center;gap:9px;min-height:36px;font-size:12px;list-style:none;display:flex}.code-challenge details p{margin-top:12px;font-size:13px}.code-editor-card{background:#282c34;border:1px solid #323c2a;border-radius:6px;overflow:hidden}.editor-toolbar{color:#dce6d2;background:#21251f;border-bottom:1px solid #424a3b;justify-content:space-between;align-items:center;padding:12px 20px;font-size:12px;display:flex}.editor-toolbar>span{align-items:center;gap:10px;display:flex}.editor-toolbar .status-dot{background:#a6c38a}.editor-toolbar button{color:#dce6d2;background:0 0;place-items:center;min-width:36px;min-height:36px;display:grid}.code-editor-card .cm-editor{font-size:15px;line-height:1.85}.code-editor-card .cm-content{padding:20px 0}.code-editor-card .cm-gutters{padding:0}.code-editor-card .cm-line{padding-left:16px}.editor-loading{color:#dce6d2;height:340px;padding:30px}.editor-actions{background:#edf0e5;justify-content:space-between;align-items:center;gap:15px;padding:15px 20px;display:flex}.editor-actions>span{color:var(--muted);font-size:11px}.editor-actions>div{gap:10px;display:flex}.editor-actions .button{gap:10px;min-height:44px;font-size:12px}.editor-help{color:var(--muted);border-top:1px solid var(--line);background:#f4f6ee;padding:13px 20px;font-size:11px;line-height:1.85}.stop-button{color:var(--accent);background:#f8e7dc;border-color:#d1957c}.code-console{border:1px solid var(--line);background:var(--surface);border-radius:5px;min-height:150px;margin-top:22px;padding:24px 26px}.code-console>div:first-child{align-items:center;gap:10px;margin-bottom:20px;display:flex}.code-console h3{font-size:14px}.code-console>div:first-child>span{font-family:var(--mono);margin-left:auto;font-size:11px}.code-console .all-passed{color:var(--green)}.code-console>p{color:var(--muted);font-size:13px}.code-console pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#edf0e5;max-height:300px;margin:12px 0;padding:15px 18px;font-size:13px;line-height:1.8;overflow:auto}.code-console .python-error{color:#8c311a;background:#faebe3}.code-test{border-top:1px solid var(--line);padding:10px 0}.code-test summary{align-items:center;gap:9px;min-height:36px;font-size:12px;list-style:none;display:flex}.code-test.passed summary>svg{color:var(--green)}.code-test.failed summary>svg{color:var(--accent)}.code-test dl{margin:12px 0}.code-test dl>div{gap:20px;padding:6px 0;font-size:12px;display:flex}.code-test dt{min-width:100px;color:var(--muted)}.code-test dd{min-width:0;margin:0}.code-test dd pre{overflow-wrap:anywhere;background:0 0;margin:0;padding:0}.code-success{color:var(--green);background:#e8f1df;border:1px solid #b3c79d;border-radius:5px;align-items:flex-start;gap:15px;margin-top:17px;padding:19px;display:flex}.code-success strong{font-size:16px}.code-success p{margin-top:7px;font-size:12px;line-height:1.8}@media (max-width:1200px){.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-editorial h1{font-size:61px}.hero-asterisk{right:0}.home-hero{gap:40px}.lab-footer{margin-inline:28px}.math-workspace{grid-template-columns:minmax(230px,.8fr) minmax(0,1.2fr)}.math-fields{display:flex}.programming-layout{grid-template-columns:230px minmax(0,1fr);gap:24px}.practice-promo{margin-inline:28px}.editor-actions>span{display:none}}@media (max-width:900px){.home-hero{gap:25px}.hero-editorial h1{font-size:50px}.hero-lab{padding:20px}.hero-asterisk{display:none}.math-workspace{grid-template-columns:1fr}.math-input-panel{border-right:0}.math-fields{grid-template-columns:1fr 1fr;display:grid}.calculator-layout{grid-template-columns:1fr}.tool-sidebar{display:none}.programming-layout{grid-template-columns:1fr}.code-course-nav nav{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.code-course-nav>p{margin-top:14px}.course-progress{padding-bottom:12px}.programming-promo{gap:35px}.programming-promo h2{font-size:36px}.code-promo-snippet{padding:20px}.code-promo-snippet pre{font-size:13px}.code-course-nav nav button{font-size:11px}.worked-solution{padding:28px 26px 10px}.header-inner nav>a:nth-child(2){display:flex}}@media (max-width:650px){.section-container,.header-inner{padding-inline:18px}.home-hero{grid-template-columns:1fr;gap:40px;padding-top:40px}.hero-editorial h1{font-size:53px}.hero-asterisk{font-size:40px;display:block;right:15px}.hero-lab{padding:20px}.header-inner nav .nav-practice{min-height:38px;padding:0 8px;font-size:9px}.header-inner nav>a:nth-child(2){display:none}.header-inner nav{gap:0}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-section{padding-top:45px}.practice-promo{grid-template-columns:1fr;gap:30px;margin-inline:18px;padding:30px 24px}.lab-footer{margin-inline:18px}.programming-promo{grid-template-columns:1fr;gap:27px;padding-bottom:45px}.programming-promo h2{font-size:36px}.programming-promo p{font-size:14px}.programming-page{padding-top:34px}.programming-page .page-intro h1{font-size:37px}.code-course-nav{padding:22px 15px}.code-course-nav nav{grid-template-columns:repeat(2,minmax(0,1fr))}.code-course-nav nav button{gap:8px;font-size:11px}.lesson-heading h2{font-size:33px}.lesson-heading>p{font-size:14px}.code-lesson{padding:4px 20px}.code-lesson>section{gap:13px;padding:23px 0}.code-lesson h3{font-size:17px;line-height:1.4}.code-lesson p{font-size:14px}.code-lesson pre{padding:15px;font-size:12px}.code-lesson-cta{flex-direction:column;align-items:flex-start}.code-challenge{padding:22px 20px}.code-challenge h3{font-size:25px}.code-challenge p{font-size:13px}.function-contract{padding:12px;font-size:12px;overflow-x:auto}.editor-actions{justify-content:flex-end;padding:13px}.editor-actions .button{gap:7px;padding:11px 13px;font-size:11px}.code-editor-card .cm-editor{font-size:13px}.editor-help{padding:12px 15px;font-size:11px}.code-console{padding:20px 16px}.code-console>div:first-child{flex-wrap:wrap}.code-console>div:first-child>span{font-size:10px}.code-test summary{font-size:11px}.code-test dl>div{flex-direction:column;gap:4px}.math-fields{display:flex}.worked-solution{padding:25px 18px 5px}.worked-solution-heading h2{font-size:28px}.worked-solution-heading p{font-size:13px}.worked-solution>ol>li{gap:12px;padding:23px 0}.worked-step-index{width:27px;height:27px;font-size:10px}.worked-solution h3{margin-top:0;font-size:16px;line-height:1.4}.worked-solution li p{font-size:14px}.worked-solution .math-display{padding:15px 12px;font-size:16px}.workspace-graph{padding:20px 10px}.plot-controls{gap:4px}.plot-controls button{width:35px;height:38px}.plot-controls>span{width:100%;margin:8px 0 0;font-size:11px}.plot-help{font-size:11px}.plotly-host{min-height:430px}.exercise-formula{padding:14px;font-size:22px}.result-answer output{font-size:19px}.result-details{grid-template-columns:1fr 1fr}.hero-description{font-size:15px}}.math-field{flex-direction:column;gap:9px;min-width:0;display:flex}.math-field:has(.expression-editor){grid-column:1/-1}.math-field>label{margin:0}.expression-editor{min-width:0}.expression-editor>input{width:100%}.math-keyboard{flex-wrap:wrap;gap:5px;margin:10px 0;display:flex}.math-keyboard button{background:var(--surface);min-width:40px;min-height:40px;color:var(--ink);cursor:pointer;border:1px solid #c5ccb9;border-radius:4px;padding:6px 10px}.math-keyboard button:hover{background:#e3e9d9;border-color:#81956a}.math-keyboard .katex{font-size:1.1em}.expression-editor>small{line-height:1.9;display:block}.expression-preview{background:#e9efdf;border:1px solid #d3dbc7;border-radius:4px;min-width:0;margin-top:14px;padding:13px 15px}.expression-preview>span:first-child{font-family:var(--mono);color:var(--muted);font-size:9px}.expression-preview .math-display{margin:5px 0 0;font-size:17px}.tool-guide .math-formula{font-size:1.04em}.math-field>label{display:block}.mathlive-host{min-width:0}.mathlive-host math-field{background:var(--surface);--caret-color:#b93e1f;--selection-background-color:#e1e9d5;--primary-color:#b93e1f;--contains-highlight-background-color:#f7ece5;border:1px solid #abb3a0;border-radius:5px;width:100%;min-height:72px;padding:12px;font-size:25px;display:block}.mathlive-host math-field:focus-within{outline:2px solid var(--accent);outline-offset:3px}.mathlive-host math-field::part(menu-toggle){display:none}.mathlive-host math-field::part(virtual-keyboard-toggle){color:var(--muted)}.math-editor-loading{background:var(--surface);border:1px solid var(--line);min-height:72px;padding:20px;font-size:12px}.course-levels{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0 0 28px;display:grid}.course-levels button{text-align:left;background:var(--surface);border:1px solid var(--line);color:var(--ink);cursor:pointer;border-radius:5px;padding:22px 25px}.course-levels button.active{border-color:var(--accent);box-shadow:inset 0 3px var(--accent);background:#f8eee4}.course-levels span{font-family:var(--mono);color:var(--muted);font-size:10px;display:block}.course-levels strong{margin:9px 0;font-size:24px;display:block}.course-levels small{color:var(--muted);font-size:12px;line-height:1.6}@media (max-width:650px){.course-levels{gap:7px}.course-levels button{padding:15px 10px}.course-levels strong{font-size:17px}.course-levels small{font-size:10px}.course-levels span{font-size:9px}}.practice-development{border-top:1px solid var(--line);min-width:0;margin-top:20px;padding-top:15px}.practice-development summary{cursor:pointer;font-weight:700;line-height:1.8}.practice-development ol{padding:0;list-style:none}.practice-development li{border-top:1px solid var(--line);min-width:0;padding:20px 0}.practice-development h3{font-size:16px;line-height:1.5}.practice-development p{font-size:13px;line-height:1.9}.practice-development .math-display{background:#f6f7f0;border-radius:4px;padding:12px;font-size:17px}