@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.25ieegmnh38ts.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.10y3kupq4t663.woff)format("woff"),url(../media/KaTeX_AMS-Regular.418dr7cz3fo2x.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.06b-ya9t43ioz.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.2vmk2hva4ctha.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.40ltxhe834pns.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.2eph4dlhid_m9.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3gxeetazf831f.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.07-7u27-nhn_r.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.2sasz-d-jtw8y.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1alcy76__wdj2.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.19yqa_tc9d_gx.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.2d10y4xmjvzlf.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.110oo81prr9n5.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.2qhy34r6a05dn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.3-rowy8o6_4ky.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.0v1esh257kqpe.woff)format("woff"),url(../media/KaTeX_Main-Bold.0us_n0tnxlxu7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.14r2naom8mrec.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.13355ck5zr48q.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.3x_u9cepaced0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.0lig0v9j0700p.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.0afv392dj4w59.woff)format("woff"),url(../media/KaTeX_Main-Italic.2hkw3230mfwcv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.1ryvsdzh2w1_e.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.15u8r3b2y7fv4.woff)format("woff"),url(../media/KaTeX_Main-Regular.0symfa7dqj6jd.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.1oopuu636h4il.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.12pl58orkw9rg.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0y5w36a5aq__2.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.32405s1aq8vas.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.0w0b1ugh62cfr.woff)format("woff"),url(../media/KaTeX_Math-Italic.2vkekfblmz5nb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.0h3wi2z_eouyg.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ovw5p-yjp56g.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.2d03q85pwxpti.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.0wkjc4dm2kcit.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.1qavw__2zz8gk.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.3i-q087b23-m8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.2peiewu59z3d-.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.1i4afx8nk8n4r.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.31pbu25feko_c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.11h14300o9pd0.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.3110jb9c-bxna.woff)format("woff"),url(../media/KaTeX_Script-Regular.28p_x7iz71ofe.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.03lhvx36ekcou.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.1slf4bh0hc6vm.woff)format("woff"),url(../media/KaTeX_Size1-Regular.1y57-ck23ey8c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.14s5gg-puz6h-.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.0-kwyvx03omo8.woff)format("woff"),url(../media/KaTeX_Size2-Regular.2u0s-b07k2o9m.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1n1rgzz84z8r9.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.04o9a_02gu_e8.woff)format("woff"),url(../media/KaTeX_Size3-Regular.1pkn-dge4q0fv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.2sgotkdv3dcyv.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.3p2r1l7xmebxv.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2uelkfk2yna5e.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.11gr2d2wuwz77.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.12f8myjij3617.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.3nee9kjfy6nm8.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.9"}.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{--font-head:"Baloo 2", "Aref Ruqaa", system-ui, sans-serif;--font-body:"Nunito", "Aref Ruqaa", system-ui, sans-serif;--font-chalk:"Cabin Sketch", "Gochi Hand", "Aref Ruqaa", cursive;--font-hand:"Gochi Hand", "Aref Ruqaa", cursive;--font-type:"Special Elite", "Courier New", "Aref Ruqaa", monospace;--ink:#2b2118;--ink-soft:#5a4a3a;--paper:#fbf7ea;--wood-dark:#5b3a1e;--wood:#8a5a2e;--wood-light:#b7803f;--brass:#c9a24a;--brass-dark:#7d5f1e;--chalk:#f4f4ec;--slate:#2f3b36;--tex-noise:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .09 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");--tex-noise-light:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .07 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");--tex-wood:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='600' height='240'><filter id='w'><feTurbulence type='fractalNoise' baseFrequency='.004 .09' numOctaves='4' seed='7' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .36  0 0 0 0 .22  0 0 0 0 .1  0 0 0 -1.4 1.1'/></filter><rect width='100%25' height='100%25' fill='%23a8743c'/><rect width='100%25' height='100%25' filter='url(%23w)'/></svg>");--tex-cork:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='c'><feTurbulence type='fractalNoise' baseFrequency='.55' numOctaves='3' seed='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .35  0 0 0 0 .2  0 0 0 0 .08  0 0 0 -2 1.25'/></filter><rect width='100%25' height='100%25' fill='%23c79a62'/><rect width='100%25' height='100%25' filter='url(%23c)'/></svg>");--tex-slate:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='400' height='400'><filter id='s'><feTurbulence type='fractalNoise' baseFrequency='.012' numOctaves='3' seed='11' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .16 -.02'/></filter><rect width='100%25' height='100%25' fill='%232c3833'/><rect width='100%25' height='100%25' filter='url(%23s)'/></svg>");--tex-felt:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='f'><feTurbulence type='turbulence' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .22 0'/></filter><rect width='100%25' height='100%25' filter='url(%23f)'/></svg>");--tex-leather:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='l'><feTurbulence type='turbulence' baseFrequency='.12' numOctaves='3' seed='5' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 -1.2 .55'/></filter><rect width='100%25' height='100%25' filter='url(%23l)'/></svg>");--stamp-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='m'><feTurbulence baseFrequency='.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 -2.2 1.9'/></filter><rect width='100%25' height='100%25' filter='url(%23m)'/></svg>")}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-body);color:var(--ink);background:#dfe3e1 linear-gradient(#e6e9e8,#cfd4d2 80%,#2a2f2e 80%) fixed;min-height:100vh;overflow-x:hidden}.wall{background:var(--wall-tile,#e4e7e5);background-size:120px 120px;box-shadow:inset 0 0 0 1px #7b817e}.wall-canvas{z-index:-1;pointer-events:none;width:100vw;height:100vh;display:block;position:fixed;inset:0}[dir=rtl] *,[dir=rtl] :before,[dir=rtl] :after{letter-spacing:0!important;text-transform:none!important}[dir=rtl]{--font-head:"Aref Ruqaa", "Baloo 2", serif;--font-body:"Aref Ruqaa", "Nunito", serif;--font-chalk:"Aref Ruqaa", "Cabin Sketch", serif;--font-hand:"Aref Ruqaa", "Gochi Hand", serif;--font-type:"Aref Ruqaa", "Special Elite", serif;font-size-adjust:.54}button,input,select,textarea{font:inherit;color:inherit}a{color:#2b5c8a}h1,h2,h3,h4{font-family:var(--font-head);margin:0;line-height:1.1}:focus-visible{outline-offset:2px;border-radius:6px;outline:3px solid #f2b632}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.emboss{text-shadow:0 1px #ffffff8c}.deboss{text-shadow:0 -1px #0000008c;color:#fff}.wood{background:var(--tex-noise), var(--tex-wood);background-size:200px,600px 240px;box-shadow:inset 0 2px #ffdcaa59,inset 0 -3px 6px #28140573,0 6px 14px #28140559}.wood-dark{background:linear-gradient(#28140559, #28140559), var(--tex-noise), var(--tex-wood);background-size:auto,200px,600px 240px}.cork{background:var(--tex-cork);box-shadow:inset 0 0 0 10px #0000,inset 0 3px 10px #00000059}.brushed-metal{background:var(--tex-noise), repeating-linear-gradient(90deg, #cfd3d6 0 1px, #bfc4c8 1px 2px, #d8dcdf 2px 3px), linear-gradient(#e3e6e8, #a9afb4);box-shadow:inset 0 1px #fffa,inset 0 -1px #0003,0 2px 6px #0004}.slate{background:var(--tex-slate);box-shadow:inset 0 0 40px #0000008c,inset 0 0 3px #ffffff14}.felt{background:var(--tex-felt), radial-gradient(ellipse at 50% 30%, #2f7a4b, #1d5233)}.leather{background:var(--tex-leather), linear-gradient(#7a4a26, #5a3218);color:#f6e7cf;box-shadow:inset 0 1px #ffd2a040,inset 0 -2px 8px #0006,0 6px 16px #00000059}.stitched{position:relative}.stitched:after{content:"";border-radius:inherit;pointer-events:none;border:2px dashed #ffe6be8c;position:absolute;inset:7px;box-shadow:0 1px #00000059,inset 0 1px #00000059}.manila{background:var(--tex-noise), linear-gradient(#f1d9a0, #e6c985);box-shadow:inset 0 1px #fff8,0 3px 8px #3c280a4d}.kraft{background:var(--tex-noise), linear-gradient(#caa472, #b88f5b)}.lined-paper{background:linear-gradient(90deg, transparent 38px, #dc505073 38px 40px, transparent 40px), repeating-linear-gradient(transparent 0 25px, #5078c847 25px 26px), var(--tex-noise), var(--paper);background-attachment:local}[dir=rtl] .lined-paper{background:linear-gradient(270deg, transparent 38px, #dc505073 38px 40px, transparent 40px), repeating-linear-gradient(transparent 0 25px, #5078c847 25px 26px), var(--tex-noise), var(--paper)}.grid-paper{background:repeating-linear-gradient(0deg, #508cc82e 0 1px, transparent 1px 20px), repeating-linear-gradient(90deg, #508cc82e 0 1px, transparent 1px 20px), var(--tex-noise), #fdfcf5}.paper{background:var(--tex-noise), var(--paper);box-shadow:0 1px 1px #00000026,0 6px 14px #0000002e}.rivets{position:relative}.rivets:before{content:"";pointer-events:none;background:radial-gradient(circle at 5px 5px,#f4f4f4 0 1.5px,#9aa1a7 2.5px,#5e656b 4px,#0000 4.5px) 0 0/10px 10px no-repeat,radial-gradient(circle at 5px 5px,#f4f4f4 0 1.5px,#9aa1a7 2.5px,#5e656b 4px,#0000 4.5px) 100% 0/10px 10px no-repeat,radial-gradient(circle at 5px 5px,#f4f4f4 0 1.5px,#9aa1a7 2.5px,#5e656b 4px,#0000 4.5px) 0 100%/10px 10px no-repeat,radial-gradient(circle at 5px 5px,#f4f4f4 0 1.5px,#9aa1a7 2.5px,#5e656b 4px,#0000 4.5px) 100% 100%/10px 10px no-repeat;position:absolute;inset:6px}.screw{background:linear-gradient(135deg,#0000 44%,#4a5055 44% 56%,#0000 56%),radial-gradient(circle at 35% 35%,#fafafa,#9aa1a7 55%,#5e656b);border-radius:50%;width:12px;height:12px;display:inline-block;box-shadow:0 1px 1px #0006}.gel-button{--hue:350;border:1px solid hsl(var(--hue) 70% 28%);color:#fff;font:700 18px/1 var(--font-head);text-shadow:0 -1px 0 hsl(var(--hue) 70% 25% / .8);background:linear-gradient(to bottom, hsl(var(--hue) 90% 72%) 0%, hsl(var(--hue) 80% 55%) 49%, hsl(var(--hue) 85% 44%) 51%, hsl(var(--hue) 80% 56%) 100%);box-shadow:inset 0 1px 0 #fff9, inset 0 -3px 6px hsl(var(--hue) 80% 30% / .5), 0 3px 0 hsl(var(--hue) 60% 22%), 0 6px 12px #00000059;cursor:pointer;white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 28px;text-decoration:none;transition:transform 60ms,box-shadow 60ms,filter .15s;display:inline-flex;position:relative}.gel-button:before{content:"";pointer-events:none;background:linear-gradient(#fffc,#ffffff14);border-radius:999px 999px 40% 40%;position:absolute;inset:2px 12px 52%}.gel-button:hover{filter:brightness(1.06)saturate(1.1)}.gel-button:active,.gel-button.pressed{box-shadow:inset 0 2px 6px hsl(var(--hue) 80% 20% / .6), 0 0 0 transparent, 0 2px 4px #0000004d;transform:translateY(3px)}.gel-button:disabled{filter:grayscale(.8)brightness(.9);cursor:not-allowed;transform:none}.gel-red{--hue:355}.gel-green{--hue:128}.gel-blue{--hue:208}.gel-yellow{--hue:42;color:#4a3200;text-shadow:0 1px #fe9c}.gel-purple{--hue:275}.gel-orange{--hue:24}.gel-teal{--hue:178}.gel-sm{padding:8px 16px;font-size:15px}.gel-xs{padding:5px 11px;font-size:13px}.gel-xs:before,.gel-sm:before{inset:2px 8px 52%}.gel-lg{padding:18px 40px;font-size:24px}.gel-xl{padding:22px 48px;font-size:30px}.metal-button{font:700 14px var(--font-head);color:#2e3337;cursor:pointer;background:var(--tex-noise), linear-gradient(#f5f6f7, #c6cbcf 55%, #b3b9be);text-shadow:0 1px #fff;border:1px solid #7b8288;border-radius:8px;align-items:center;gap:6px;padding:7px 14px;text-decoration:none;transition:transform 60ms;display:inline-flex;box-shadow:inset 0 1px #fff,0 2px #7b8288,0 3px 6px #00000040}.metal-button:active,.metal-button.active{background:linear-gradient(#b9bec3,#d6dadd);transform:translateY(2px);box-shadow:inset 0 2px 5px #0000004d,0 0 #7b8288}.metal-button:disabled{opacity:.55;cursor:not-allowed}.metal-toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;margin-inline-start:18px;font-weight:700;display:inline-flex}.metal-toggle input{opacity:0;width:1px;height:1px;position:absolute}.metal-toggle .plate{background:linear-gradient(#3a3f44,#1f2326);border-radius:6px;width:58px;height:30px;position:relative;box-shadow:inset 0 2px 6px #000a,0 1px #fff8}.metal-toggle .plate:before{content:"";top:11px;background:radial-gradient(circle at 35% 35%,#ffb3b3,#b01212);border-radius:50%;width:9px;height:9px;position:absolute;inset-inline-start:-16px;box-shadow:0 0 4px #b01212}.metal-toggle .lever-knob{top:2px;background:var(--tex-noise), linear-gradient(#fdfdfd, #b9bfc4);border-radius:5px;width:26px;height:26px;transition:inset-inline-start .15s cubic-bezier(.5,1.8,.5,1);position:absolute;inset-inline-start:3px;box-shadow:0 2px 3px #000a,inset 0 1px #fff}.metal-toggle input:checked+.plate .lever-knob{inset-inline-start:29px}.metal-toggle input:checked+.plate:before{background:radial-gradient(circle at 35% 35%,#d7ffcf,#22a312);box-shadow:0 0 6px #33e61f}.metal-toggle input:focus-visible+.plate{outline:3px solid #f2b632}.lever{background:var(--tex-noise), linear-gradient(#e2c270, #b88f2c 60%, #8f6b16);border-radius:16px;grid-template-columns:repeat(3,1fr);gap:0;padding:18px 16px 12px;display:grid;position:relative;box-shadow:inset 0 2px #fff7c8,inset 0 -3px 6px #5e440a,0 6px 14px #0006}.lever .slot{background:linear-gradient(#2a1f0a,#4e3a12);border-radius:8px;height:14px;position:absolute;top:40px;left:16%;right:16%;box-shadow:inset 0 3px 5px #000,0 1px #ffeaa0}.lever button{z-index:1;cursor:pointer;font:700 14px var(--font-head);color:#3b2a05;text-shadow:0 1px #ffeaa0;text-align:center;background:0 0;border:0;padding:60px 4px 4px;position:relative}.lever button .emoji{margin-bottom:2px;font-size:24px;display:block}.lever .handle{z-index:2;pointer-events:none;width:34px;height:74px;margin-inline-start:-17px;transition:inset-inline-start .35s cubic-bezier(.5,1.6,.4,1);position:absolute;top:8px}.lever .handle:before{content:"";background:linear-gradient(90deg,#7a7f84,#f0f2f3,#8a9095);border-radius:3px;width:8px;height:30px;position:absolute;top:20px;left:13px}.lever .handle:after{content:"";background:radial-gradient(circle at 35% 30%,#ff9d9d,#d11c1c 55%,#7a0909);border-radius:50%;width:34px;height:34px;position:absolute;top:0;left:0;box-shadow:0 4px 6px #00000073}.fader{gap:4px;display:grid}.fader label{font:700 14px var(--font-head);justify-content:space-between;display:flex}.fader label output{font-family:var(--font-type);color:#7cffb2;text-align:center;background:#1d2224;border-radius:3px;min-width:34px;padding:0 6px;box-shadow:inset 0 1px 3px #000}.fader input[type=range]{appearance:none;cursor:pointer;background:0 0;width:100%;height:26px}.fader input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(#1b1f22,#3b4247);border-radius:4px;height:8px;box-shadow:inset 0 2px 3px #000,0 1px #fff9}.fader input[type=range]::-moz-range-track{background:linear-gradient(#1b1f22,#3b4247);border-radius:4px;height:8px;box-shadow:inset 0 2px 3px #000,0 1px #fff9}.fader input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:repeating-linear-gradient(#0000 0 5px,#0005 5px 6px,#fff6 6px 7px),linear-gradient(90deg,#aab0b5,#f7f8f9 50%,#9aa1a7);border:1px solid #555;border-radius:4px;width:18px;height:28px;margin-top:-10px;box-shadow:0 3px 4px #0008}.fader input[type=range]::-moz-range-thumb{background:repeating-linear-gradient(#0000 0 5px,#0005 5px 6px,#fff6 6px 7px),linear-gradient(90deg,#aab0b5,#f7f8f9 50%,#9aa1a7);border:1px solid #555;border-radius:4px;width:18px;height:28px;box-shadow:0 3px 4px #0008}.knob-wrap{font:700 13px var(--font-head);justify-items:center;gap:4px;display:inline-grid}.knob{cursor:grab;touch-action:none;background:repeating-conic-gradient(from 0deg, #0000 0 4deg, #0002 4deg 6deg), radial-gradient(circle at 35% 30%, #fdfdfd, #b8bec3 55%, #6c7378);border-radius:50%;width:64px;height:64px;position:relative;box-shadow:0 5px 8px #00000073,inset 0 -2px 3px #0000004d,0 0 0 5px #2d3236,0 0 0 7px #8b9298}.knob .indicator{background:#d11c1c;border-radius:2px;width:4px;height:16px;margin-left:-2px;position:absolute;top:5px;left:50%;box-shadow:0 0 3px #f55}.knob-scale{font-family:var(--font-type);color:var(--ink-soft);font-size:11px}.toolbox{background:linear-gradient(#c62828,#8e1b1b);border-radius:10px;padding:8px;box-shadow:inset 0 2px #ff8a80,inset 0 -3px 6px #4a0a0a,0 8px 18px #00000073}.drawer{background:var(--tex-noise), linear-gradient(#e44b3e, #b82b22);border-radius:6px;margin:6px 0;overflow:hidden;box-shadow:inset 0 1px #ffa194,0 2px #5c0e0a,0 3px 6px #00000059}.drawer>button.drawer-front{cursor:pointer;width:100%;font:700 16px var(--font-head);color:#fff;text-shadow:0 -1px #6d0f0a;text-align:start;background:0 0;border:0;align-items:center;gap:10px;padding:9px 12px;display:flex}.drawer .handle-bar{background:linear-gradient(#f3f4f5,#9ba2a7);border-radius:5px;width:48px;height:10px;margin-inline-start:auto;box-shadow:0 2px 2px #0007,inset 0 -1px #0003}.drawer .drawer-body{background:var(--tex-felt), linear-gradient(#262a2e, #1c1f22);padding:10px;animation:.28s cubic-bezier(.3,1.5,.5,1) drawer-open;box-shadow:inset 0 6px 10px #000c}@keyframes drawer-open{0%{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:none}}.part-grid{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;display:grid}.part-tile{cursor:pointer;color:#2a2e31;font:700 12px var(--font-head);text-align:center;background:var(--tex-noise), linear-gradient(#f4f5f6, #c3c8cc);border:1px solid #555c61;border-radius:8px;justify-items:center;gap:4px;padding:8px 4px 6px;transition:transform .1s;display:grid;position:relative;box-shadow:inset 0 1px #fff,0 3px #6c7378,0 4px 6px #00000059}.part-tile:hover{transform:translateY(-2px)}.part-tile.selected{background:var(--tex-noise), linear-gradient(#fff4c2, #f2c94c);border-color:#9c7a10;box-shadow:inset 0 1px #fff,0 3px #9c7a10,0 0 0 3px #ffe38a,0 4px 8px #00000059}.part-tile .thumb{width:56px;height:56px}.paint-row{flex-wrap:wrap;gap:10px;display:flex}.paint-can{cursor:pointer;background:linear-gradient(90deg,#8d9499,#eef0f1 35%,#a6adb2 70%,#7c8388);border:0;border-radius:4px 4px 6px 6px;width:38px;height:44px;padding:0;position:relative;box-shadow:0 3px 5px #0006}.paint-can:before{content:"";background:radial-gradient(ellipse at 40% 35%, color-mix(in srgb, var(--c) 60%, white), var(--c) 60%);border-radius:50%;height:12px;position:absolute;top:-5px;left:3px;right:3px;box-shadow:0 0 0 2px #b9bfc4,inset 0 -2px 3px #00000059}.paint-can:after{content:"";background:var(--c);opacity:.9;height:16px;position:absolute;top:16px;left:0;right:0;box-shadow:inset 0 1px #fff6,inset 0 -1px #0000004d}.paint-can.selected{outline-offset:5px;outline:3px solid #f2b632}.color-input-can{position:relative;overflow:hidden}.color-input-can input{opacity:0;cursor:pointer;position:absolute;inset:0}.chip-row{grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:8px;display:grid}.texture-chip{cursor:pointer;font:700 11px var(--font-head);color:#333;background:#fff;border:1px solid #0003;border-radius:6px;justify-items:center;gap:3px;padding:5px;display:grid;box-shadow:0 2px 4px #0000004d}.texture-chip .swatch{border-radius:4px;width:100%;height:34px;box-shadow:inset 0 0 0 1px #0002,inset 0 2px 4px #0003}.texture-chip.selected{outline:3px solid #f2b632}.rubber-stamp{border:3px solid var(--sc,#b3202a);color:var(--sc,#b3202a);font:700 16px var(--font-type);letter-spacing:.08em;text-transform:uppercase;-webkit-mask-image:var(--stamp-mask);-webkit-mask-image:var(--stamp-mask);mask-image:var(--stamp-mask);opacity:.88;background:0 0;border-radius:6px;padding:6px 14px;display:inline-block;transform:rotate(-6deg)}.stamp-button{cursor:pointer;font:700 12px var(--font-head);color:var(--ink);background:0 0;border:0;justify-items:center;gap:6px;padding:8px 10px 10px;display:inline-grid}.stamp-button .stamp-handle{background:radial-gradient(circle at 40% 30%,#9c6b3c,#5b3a1e);border-radius:22px 22px 6px 6px;width:48px;height:40px;position:relative;box-shadow:0 4px 6px #00000059}.stamp-button .stamp-handle:after{content:"";background:var(--sc);border-radius:3px;height:10px;position:absolute;bottom:-8px;left:-6px;right:-6px;box-shadow:inset 0 -2px 3px #0006}.stamp-button:active .stamp-handle{transform:translateY(5px)}.stamp-button.selected .stamp-handle{box-shadow:0 0 0 3px #f2b632,0 4px 6px #00000059}.thunk{animation:.35s cubic-bezier(.3,1.6,.6,1) thunk}@keyframes thunk{0%{opacity:0;transform:scale(1.8)rotate(-12deg)}60%{opacity:1;transform:scale(.95)rotate(-6deg)}to{transform:scale(1)rotate(-6deg)}}.sticky-note{background:var(--tex-noise), linear-gradient(170deg, #fff8a8, #ffe96b);color:#3a3000;min-width:120px;max-width:260px;font:15px/1.3 var(--font-hand);cursor:pointer;text-align:start;border:0;padding:12px 12px 14px;transition:transform .15s;display:inline-block;position:relative;transform:rotate(-1.5deg);box-shadow:0 1px 1px #0003,3px 8px 12px -4px #00000059}.sticky-note:nth-child(2n){background:var(--tex-noise), linear-gradient(170deg, #c9f7ff, #9fe8f5);color:#06363d;transform:rotate(1.2deg)}.sticky-note:nth-child(3n){background:var(--tex-noise), linear-gradient(170deg, #ffd6ea, #ffb3d4);color:#4a0d2a}.sticky-note:hover{transform:rotate(0)scale(1.04)}.sticky-note.national-day{background:var(--tex-noise), linear-gradient(170deg, #1f9d55, #006c35);color:#fff}.sticky-note:before{content:"";background:#ffffff8c;width:54px;height:18px;margin-left:-27px;position:absolute;top:-9px;left:50%;transform:rotate(-3deg);box-shadow:0 1px 2px #00000026}.index-card{cursor:pointer;text-align:start;background:linear-gradient(transparent 30px, #dc50508c 30px 32px, transparent 32px), repeating-linear-gradient(transparent 0 20px, #5078c838 20px 21px), var(--tex-noise), #fffdf5;width:100%;font:13px/21px var(--font-type);color:#2a2a2a;background-position:0 0,0 12px,0 0,0 0;border:0;border-radius:3px;padding:12px 14px;transition:transform .15s,box-shadow .15s;position:relative;box-shadow:0 1px 1px #00000040,0 4px 8px #0003}.index-card h4{font:700 15px/20px var(--font-type);white-space:nowrap;text-overflow:ellipsis;margin-bottom:11px;overflow:hidden}.index-card:hover{transform:translateY(-4px)rotate(-.6deg);box-shadow:0 2px 2px #0003,0 12px 18px #00000047}.index-card.drop-target{outline:3px dashed #d11c1c;transform:scale(1.03)}.index-card.dragging{opacity:.5}.index-card .tab{top:-10px;font:11px var(--font-type);background:#ffe38a;border-radius:4px 4px 0 0;padding:1px 8px;position:absolute;inset-inline-end:14px;box-shadow:0 -1px 2px #0003}.clipboard{background:var(--tex-noise), linear-gradient(135deg, #b98a4e, #8c6230);border-radius:10px;padding:30px 12px 12px;position:relative;box-shadow:inset 0 1px #e7c38f,0 8px 18px #00000059}.clipboard:before{content:"";z-index:2;background:var(--tex-noise), linear-gradient(#f4f5f6, #9aa1a7 60%, #6c7378);border-radius:8px 8px 12px 12px;width:110px;height:34px;margin-left:-55px;position:absolute;top:-8px;left:50%;box-shadow:inset 0 1px #fff,0 3px 5px #00000073}.clipboard .paper-sheet{border-radius:2px;min-height:80px;padding:16px 18px 16px 50px;position:relative}[dir=rtl] .clipboard .paper-sheet{padding:16px 50px 16px 18px}.chalkboard{color:var(--chalk);background:var(--tex-slate);border:14px solid #0000;border-image:var(--tex-wood) 30 stretch;border-radius:8px;padding:18px 22px;position:relative;box-shadow:inset 0 0 40px #0009,0 10px 24px #00000073}.chalk-text{font-family:var(--font-chalk);color:var(--chalk);text-shadow:0 0 1px #fff9,0 0 6px #ffffff1f;letter-spacing:.01em}.chalk-tray{background:var(--tex-wood);border-radius:0 0 6px 6px;height:14px;margin:0 10px;position:relative;box-shadow:0 4px 8px #0006}.chalk-tray:after{content:"";background:#f7f7f2;border-radius:3px;width:38px;height:7px;position:absolute;top:2px;left:18%;box-shadow:60px 0 #ffd1dc,110px 0 #cde8ff}.chalk-reveal{animation:.9s steps(18,end) both chalk-in}@keyframes chalk-in{0%{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0)}}[dir=rtl] .chalk-reveal{animation-name:chalk-in-rtl}@keyframes chalk-in-rtl{0%{clip-path:inset(0 0 0 100%)}to{clip-path:inset(0)}}.brass-plaque{text-align:center;background:var(--tex-noise), linear-gradient(135deg, #f3dc8a, #c9a24a 45%, #a07a26 70%, #e6c872);color:#3b2a05;text-shadow:0 1px #fff2b0;font-family:var(--font-head);border-radius:6px;gap:2px;padding:10px 22px;display:inline-grid;position:relative;box-shadow:inset 0 1px #fff6c8,inset 0 -2px 3px #6b4d10,0 4px 10px #0006}.brass-plaque .value{font:700 24px var(--font-type)}.brass-plaque .label{text-transform:uppercase;letter-spacing:.1em;font-size:12px}.brass-plaque .screw{margin-top:-6px;position:absolute;top:50%}.brass-plaque .screw.l{inset-inline-start:5px}.brass-plaque .screw.r{inset-inline-end:5px}.tube{background:linear-gradient(#ffffff8c,#c8dce640 45%,#fff6);border-radius:13px;height:26px;position:relative;overflow:hidden;box-shadow:inset 0 0 0 2px #fff9,inset 0 3px 6px #00000040,0 2px 5px #00000040}.tube .liquid{background:repeating-linear-gradient(-45deg,#ffffff2e 0 8px,#0000 8px 16px) 0 0/200% 100%,linear-gradient(#7cff6b,#1e9e2a);border-radius:10px;transition:width .5s;animation:1.2s linear infinite bubbles;position:absolute;inset:3px auto 3px 3px;box-shadow:inset 0 2px #ffffff80,0 0 8px #50ff5080}[dir=rtl] .tube .liquid{inset:3px 3px 3px auto}.tube .shine{background:#ffffff8c;border-radius:3px;height:6px;position:absolute;top:4px;left:8px;right:8px}.tube .label{font:700 12px var(--font-type);color:#133;text-shadow:0 1px #fff;place-items:center;display:grid;position:absolute;inset:0}@keyframes bubbles{to{background-position:-32px 0,0 0}}.conveyor{border-radius:12px;padding:10px 14px 26px;position:relative}.conveyor .belt{background:repeating-linear-gradient(90deg,#2b2f33 0 10px,#3c4247 10px 12px);border-radius:7px;height:14px;animation:1.2s linear infinite belt;position:absolute;bottom:10px;left:14px;right:14px;box-shadow:inset 0 2px 4px #000,0 1px #fff6}@keyframes belt{to{background-position:24px 0}}.conveyor .stations{grid-template-columns:repeat(5,1fr);gap:6px;display:grid;position:relative}.conveyor .station{cursor:pointer;font:700 13px var(--font-head);color:#3a3f44;text-align:center;background:0 0;border:0;border-radius:8px;justify-items:center;gap:2px;padding:6px 2px;text-decoration:none;display:grid}.conveyor .station .lamp{background:radial-gradient(circle at 35% 30%,#cfd3d6,#6c7378);border-radius:50%;width:16px;height:16px;box-shadow:0 1px 2px #0008}.conveyor .station.done .lamp{background:radial-gradient(circle at 35% 30%,#d7ffcf,#22a312);box-shadow:0 0 8px #33e61f}.conveyor .station.current .lamp{background:radial-gradient(circle at 35% 30%,#fff3c4,#f2b632);animation:1s infinite alternate pulse;box-shadow:0 0 10px #ffd34d}.conveyor .station.current{color:#000}.conveyor .bot{margin-inline-start:-12px;font-size:22px;transition:inset-inline-start .6s cubic-bezier(.4,1.4,.5,1);position:absolute;bottom:14px}@keyframes pulse{to{filter:brightness(1.3)}}.modal-backdrop{z-index:50;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#140c048c;place-items:center;padding:16px;animation:.2s fade;display:grid;position:fixed;inset:0}@keyframes fade{0%{opacity:0}}.folder-modal{border-radius:4px 14px 14px;flex-direction:column;width:min(900px,100%);max-height:calc(100vh - 64px);margin-top:28px;padding:16px;animation:.35s cubic-bezier(.3,1.4,.5,1) folder-in;display:flex;position:relative}.folder-modal:before{content:attr(data-tab);top:-28px;background:inherit;height:30px;font:700 14px var(--font-type);color:#5a4214;border-radius:10px 10px 0 0;padding:4px 18px;position:absolute;inset-inline-start:0;box-shadow:0 -2px 3px #0000001a}.folder-modal .folder-paper{border-radius:3px;flex:1;padding:18px 20px;animation:.45s cubic-bezier(.3,1.3,.5,1) .1s both paper-out;overflow:auto}@keyframes folder-in{0%{opacity:0;transform:translateY(40px)scale(.96)}}@keyframes paper-out{0%{opacity:0;transform:translateY(24px)}}.modal-close{top:8px;z-index:3;position:absolute;inset-inline-end:8px}[data-tip]{position:relative}[data-tip]:hover:after,[data-tip]:focus-visible:after{content:attr(data-tip);z-index:20;white-space:nowrap;font:13px var(--font-hand);color:#222;pointer-events:none;clip-path:polygon(3% 0,97% 4%,100% 100%,0 96%);background:linear-gradient(#ffffff4d,#00000008),#f5ecd0;padding:3px 10px;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)rotate(-2deg);box-shadow:0 2px 4px #00000040}.toasts{bottom:16px;z-index:60;gap:10px;max-width:min(340px,100vw - 32px);display:grid;position:fixed;inset-inline-end:16px}.toast{font:16px/1.3 var(--font-hand);color:#2b2118;background:var(--tex-noise), linear-gradient(#fffdf0, #f6efd2);padding:14px 16px 12px;animation:.4s cubic-bezier(.3,1.6,.5,1) toast-in;position:relative;transform:rotate(-1deg);box-shadow:0 3px 10px #00000059}.toast.error{background:var(--tex-noise), linear-gradient(#ffe9e6, #ffd0c9)}.toast:before{content:"";background:radial-gradient(circle at 35% 30%,#ff9d9d,#d11c1c 60%,#7a0909);border-radius:50%;width:16px;height:16px;margin-left:-8px;position:absolute;top:-7px;left:50%;box-shadow:0 3px 3px #0006}@keyframes toast-in{0%{opacity:0;transform:translateY(-30px)rotate(-6deg)}}.leather-panel{border-radius:14px;padding:18px}.app-header{z-index:30;border-bottom:1px solid #6c7378;align-items:center;gap:12px;padding:8px 16px;display:flex;position:sticky;top:0}.app-header .logo{color:#22272b;font:800 24px var(--font-head);align-items:center;gap:8px;text-decoration:none;display:flex}.app-header .logo .bolt{filter:drop-shadow(0 2px 1px #0000004d);font-size:26px}.app-header .spacer{flex:1}.header-group{align-items:center;gap:14px;display:flex}.header-divider{background:linear-gradient(90deg,#7b8288,#f4f6f7);border-radius:2px;width:3px;height:34px;margin:0 10px;box-shadow:0 0 0 1px #00000014}.sound-plate{background:linear-gradient(#c3c8cc,#dde1e4);border-radius:8px;align-items:center;gap:8px;padding:4px 10px 4px 8px;display:inline-flex;box-shadow:inset 0 2px 4px #00000040,0 1px #fff}.sound-plate .metal-toggle{margin-inline-start:14px}.demo-badge{font:700 12px var(--font-type);color:#5a4214;background:#ffe38a;border-radius:4px;padding:3px 8px;box-shadow:inset 0 0 0 1px #c9a24a}.page{max-width:1280px;margin:0 auto;padding:18px 16px 60px}.page-title{color:#2a3134;text-shadow:0 1px #fffc,0 -1px #00000014;margin:6px 0 14px;font-size:clamp(28px,4vw,44px)}.shelf-wall{gap:34px;display:grid}.shelf{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;padding:0 16px 26px;display:grid;position:relative}.shelf:after{content:"";background:var(--tex-noise), var(--tex-wood);background-size:200px,600px 240px;border-radius:4px;height:26px;position:absolute;bottom:0;left:0;right:0;box-shadow:inset 0 3px #ffdcaa73,inset 0 -4px 6px #28140580,0 10px 14px #28140573}.robot-pod{z-index:1;height:330px;color:inherit;cursor:pointer;background:linear-gradient(90deg,#ffffff59,#ffffff0d 30%,#fff3 70%,#fff6),linear-gradient(#bfe8ff55,#8fc7e855);border:3px solid #c3c9ce;border-radius:110px 110px 12px 12px;grid-template-rows:auto 1fr auto;padding:12px 12px 10px;text-decoration:none;transition:transform .2s;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 0 30px #78c8ff59,0 8px 18px #0000004d}.robot-pod:hover{transform:translateY(-4px)}.robot-pod .pod-canvas{min-height:0;position:relative}.robot-pod .pod-canvas img{object-fit:contain;width:100%;height:100%;animation:3s ease-in-out infinite bob}.robot-pod:hover .pod-canvas img{animation:.6s ease-in-out 2 wave}@keyframes bob{50%{transform:translateY(-6px)}}@keyframes wave{25%{transform:rotate(-6deg)}75%{transform:rotate(6deg)}}.robot-pod .pod-base{text-align:center;border-radius:8px;padding:6px 8px}.robot-pod .pod-name{font:800 18px var(--font-head)}.robot-pod .pod-sub{opacity:.85;font-size:12px}.robot-pod .last-studied{top:60px;z-index:3;font:13px var(--font-hand);opacity:0;background:#fff7c2;padding:3px 10px;transition:all .25s;position:absolute;inset-inline-end:-4px;transform:rotate(4deg)translate(20px);box-shadow:0 2px 4px #0000004d}.robot-pod:hover .last-studied{opacity:1;transform:rotate(4deg)translate(0)}.robot-pod .draft-tag{top:18px;z-index:3;position:absolute;inset-inline-start:10px}.pod-empty{place-items:center;display:grid}.pod-empty .sticky-note{font-size:20px}.notice-board{border:12px solid #0000;border-image:var(--tex-wood) 30 stretch;border-radius:10px;padding:18px}.workshop{grid-template-columns:minmax(250px,320px) 1fr minmax(250px,320px);align-items:start;gap:16px;display:grid}.workbench{border-radius:14px;grid-template-rows:auto 1fr;min-height:520px;padding:10px;display:grid;position:relative}.stage{background:radial-gradient(at 50% 35%,#fbfcfb,#e1e5e3 58%,#a7aeab);border-radius:10px;height:min(64vh,620px);position:relative;overflow:hidden;box-shadow:inset 0 0 30px #141e1c59}.stage canvas{touch-action:none}.toolbar{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:10px;display:flex}.side-panel{border-radius:12px;gap:14px;padding:12px;display:grid}.panel-title{font:800 18px var(--font-head);margin-bottom:6px}.tabs{flex-wrap:wrap;gap:6px;margin-bottom:10px;display:flex}.folder-page{border-radius:4px 16px 16px;margin-top:30px;padding:22px;position:relative}.folder-page:before{content:attr(data-tab);top:-30px;background:inherit;font:700 15px var(--font-type);color:#5a4214;border-radius:10px 10px 0 0;padding:5px 20px;position:absolute;inset-inline-start:0}.form-sheet{border-radius:3px;gap:16px;padding:20px 22px;display:grid}.field{gap:4px;display:grid}.field>span,.field-label{font:700 14px var(--font-head);color:var(--ink-soft)}.typed-input,.typed-textarea,.typed-select{width:100%;font:17px var(--font-type);color:#1e2a4a;background:0 0;border:0;border-bottom:2px dotted #8b7355;border-radius:0;padding:4px 2px}.typed-textarea{resize:vertical;background:#fff6;border:1px dashed #b9a07a;border-radius:4px;min-height:90px}.typed-select{cursor:pointer}.check-row{flex-wrap:wrap;gap:10px 18px;display:flex}.check{cursor:pointer;font:15px var(--font-hand);align-items:center;gap:6px;display:inline-flex}.check input{appearance:none;cursor:pointer;background:#fffdf5;border:2px solid #5a4a3a;border-radius:3px;place-items:center;width:20px;height:20px;display:grid}.check input:checked:after{content:"✔";color:#1e5aa8;font-size:18px;line-height:1;font-family:var(--font-hand);transform:rotate(-8deg)translateY(-2px)}.inbox-tray{text-align:center;background:var(--tex-noise), linear-gradient(#5a5f64, #3a3f44);color:#eef;border:4px solid #8b9298;border-radius:10px;place-items:center;gap:8px;min-height:170px;padding:26px 18px 18px;transition:all .2s;display:grid;position:relative;box-shadow:inset 0 10px 18px #0009,0 2px #9aa1a7,0 8px 16px #00000059}.inbox-tray.over{border-color:#f2b632;transform:scale(1.01);box-shadow:inset 0 10px 18px #0009,0 0 0 4px #ffe38a}.inbox-tray .tray-label{padding:2px 12px;position:absolute;top:-14px;left:50%;transform:translate(-50%)}.file-row{border-radius:6px;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:10px 12px;display:grid}.file-icon{width:38px;height:46px;font:700 9px var(--font-type);background:linear-gradient(#fff,#e6e6e6);border-radius:3px 10px 3px 3px;place-items:end center;padding-bottom:4px;display:grid;position:relative;box-shadow:0 2px 4px #00000059}.file-icon:before{content:"";border:6px solid #bbb;border-color:#bbb #bbb #0000 #0000;position:absolute;top:0;right:0}.file-icon .band{background:var(--band,#d11c1c);height:10px;position:absolute;top:12px;left:0;right:0}.reading-anim{height:120px;position:relative;overflow:hidden}.reading-anim .book{font-size:44px;position:absolute;bottom:10px;left:8%}.reading-anim .cabinet{font-size:54px;position:absolute;bottom:6px;right:8%}.reading-anim .page-fly{font-size:22px;animation:1.4s ease-in-out infinite fly;position:absolute;bottom:40px;left:14%}.reading-anim .page-fly:nth-child(4){animation-delay:.45s}.reading-anim .page-fly:nth-child(5){animation-delay:.9s}@keyframes fly{0%{opacity:0;transform:translate(0)rotate(0)}15%{opacity:1}50%{transform:translate(20vw,-50px)rotate(200deg)}to{opacity:0;transform:translate(min(60vw,520px),10px)rotate(360deg)}}[dir=rtl] .reading-anim .page-fly{animation-name:fly-rtl;left:auto;right:14%}@keyframes fly-rtl{0%{opacity:0;transform:translate(0)}15%{opacity:1}50%{transform:translate(-20vw,-50px)rotate(-200deg)}to{opacity:0;transform:translate(max(-60vw,-520px),10px)rotate(-360deg)}}.classroom{grid-template-columns:1fr minmax(260px,340px);gap:16px;display:grid}.class-wall{background:linear-gradient(#ffffff2e, #0a14141f), var(--wall-tile,#e4e7e5);background-size:auto,220px 220px;border-radius:12px;padding:14px;position:relative;overflow:hidden;box-shadow:inset 0 0 50px #141e1c59,0 0 0 4px #2f3534,0 0 0 6px #7b817e}.class-wall:before{content:"";top:-40px;pointer-events:none;background:linear-gradient(200deg,#ffffff73,#0000 70%);width:50%;height:140%;position:absolute;inset-inline-end:10%;transform:skew(-18deg)}.dust{pointer-events:none;background:#fffadce6;border-radius:50%;width:3px;height:3px;animation:9s linear infinite dust;position:absolute}@keyframes dust{0%{opacity:0;transform:translate(0)}20%{opacity:.9}to{opacity:0;transform:translate(-60px,220px)}}.chat-scroll{align-content:start;gap:16px;min-height:300px;max-height:calc(100vh - 330px);padding:8px 4px 20px;display:grid;overflow-y:auto}.msg-student{max-width:min(560px,90%);font:18px/26px var(--font-hand);color:#1e2a4a;clip-path:polygon(0 3%,6% 0,14% 4%,25% 1%,37% 3%,50% 0,62% 3%,75% 1%,87% 4%,100% 0,100% 97%,92% 100%,80% 96%,66% 100%,52% 97%,38% 100%,24% 96%,10% 100%,0 97%);filter:drop-shadow(0 3px 4px #00000040);justify-self:end;padding:12px 16px 12px 44px;position:relative}[dir=rtl] .msg-student{justify-self:start;padding:12px 44px 12px 16px}.msg-teacher-board{justify-self:start;max-width:min(720px,96%)}.msg-teacher-board .chalkboard{font-size:21px;line-height:1.35}.msg-teacher-clip{justify-self:start;width:min(760px,100%)}.md{overflow-wrap:anywhere;font-size:16px;line-height:1.55}.md p{margin:.4em 0}.md ul,.md ol{margin:.4em 0;padding-inline-start:1.4em}.md h1,.md h2,.md h3{margin:.7em 0 .3em}.md h3{font-size:19px}.md table{border-collapse:collapse;margin:.6em 0}.md td,.md th{border:1px solid #b9a07a;padding:4px 8px}.md code{background:#00000012;border-radius:3px;padding:1px 4px;font-size:.92em}.md pre{color:#e8f4ec;background:#1d2224;border-radius:6px;padding:10px;overflow-x:auto}.md pre code{background:0 0}.chalk-text .md code{background:#ffffff1f}.md blockquote{background:#c9a24a1f;border-inline-start:4px solid #c9a24a;margin:.5em 0;padding:.3em .8em}.citations{flex-wrap:wrap;gap:14px;margin:14px 4px 0;display:flex}.tool-note{font:15px var(--font-hand);color:#5a4a3a;align-items:center;gap:6px;display:flex}.quick-buttons{flex-wrap:wrap;gap:8px;display:flex}.desk-input{border-radius:12px;gap:10px;padding:12px;display:grid}.desk-input form{align-items:flex-end;gap:10px;display:flex}.desk-input textarea{resize:none;min-height:52px;max-height:160px;font:18px/24px var(--font-hand);border:0;border-radius:4px;flex:1;padding:10px 12px}.pencil{filter:drop-shadow(0 3px 2px #00000059);font-size:28px;transform:rotate(-30deg)}.topic-strip{flex-wrap:wrap;align-items:center;gap:8px;min-height:34px;display:flex}.topic-book{font:700 13px var(--font-head);color:#fff;text-shadow:0 -1px #0006;background:linear-gradient(90deg,#5a1414 0 6px,#8e2c2c 6px);border-radius:3px 6px 6px 3px;align-items:center;gap:6px;padding:4px 10px 4px 6px;text-decoration:none;display:inline-flex;box-shadow:0 2px 4px #00000059}.topic-book:nth-child(2n){background:linear-gradient(90deg,#143a5a 0 6px,#2c5c8e 6px)}.topic-book:nth-child(3n){background:linear-gradient(90deg,#1c4a1e 0 6px,#2e7d32 6px)}.wall-clock{background:radial-gradient(circle,#fffdf5 60%,#e9e1cc);border:6px solid #6b3f1f;border-radius:50%;width:74px;height:74px;position:relative;box-shadow:0 4px 8px #00000059,inset 0 2px 6px #0003}.wall-clock .hand{transform-origin:50% 100%;background:#222;border-radius:2px;position:absolute;bottom:50%;left:50%}.wall-clock .h{width:4px;height:20px;margin-left:-2px}.wall-clock .m{width:3px;height:28px;margin-left:-1.5px}.wall-clock .s{background:#d11c1c;width:1px;height:30px}.wall-clock .pin{background:#c9a24a;border-radius:50%;width:8px;height:8px;margin:-4px;position:absolute;top:50%;left:50%}.class-window{border:7px solid #f4efe3;border-radius:4px;width:110px;height:80px;position:relative;overflow:hidden;box-shadow:0 3px 8px #0000004d,inset 0 0 0 2px #cfc6b0}.class-window:before,.class-window:after{content:"";background:#f4efe3;position:absolute}.class-window:before{width:5px;margin-left:-2.5px;top:0;bottom:0;left:50%}.class-window:after{height:5px;margin-top:-2.5px;top:50%;left:0;right:0}.class-window .sky{position:absolute;inset:0}.class-window .sun{border-radius:50%;width:22px;height:22px;position:absolute}.gauge-wrap{justify-items:center;display:grid}.vu{width:100%;max-width:280px}.cabinet{border-radius:12px;gap:14px;padding:16px;display:grid}.cabinet-drawer{border-radius:8px;overflow:hidden}.cabinet-drawer .front{cursor:pointer;text-align:start;color:#2b1a08;background:var(--tex-noise), var(--tex-wood);background-size:200px,600px 240px;border:0;align-items:center;gap:12px;width:100%;padding:12px 14px;display:flex;box-shadow:inset 0 2px #ffdcaa66,inset 0 -3px 5px #28140573}.cabinet-drawer .label-holder{font:700 15px var(--font-type);color:#222;background:linear-gradient(#f4f5f6,#b9bfc4);border-radius:3px;padding:4px 12px;box-shadow:inset 0 0 0 2px #8b9298,0 1px 2px #0006}.cabinet-drawer .pull{background:linear-gradient(#e6c872,#a07a26);border-radius:0 0 30px 30px;width:60px;height:16px;margin-inline-start:auto;box-shadow:0 3px 3px #0006}.cabinet-drawer .cards{background:linear-gradient(#3b2410,#2a190a);grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;padding:18px 14px;animation:.3s cubic-bezier(.3,1.5,.5,1) drawer-open;display:grid;box-shadow:inset 0 8px 14px #000000b3}.merge-stamp{inset-inline-end:6px;border-width:2px;padding:2px 6px;font-size:11px;position:absolute;bottom:6px}.gauge-caption{font:12px var(--font-type);color:var(--ink-soft);text-align:center}.intro-splash{z-index:1000;pointer-events:none;background:radial-gradient(ellipse at 50% 40%, #fff0c859, transparent 60%), var(--tex-noise), var(--tex-wood);background-size:auto,200px,600px 240px;place-items:center;animation:1s ease-in forwards intro-out;display:grid;position:fixed;inset:0}.intro-splash .intro-plaque{text-align:center;background:var(--tex-noise), linear-gradient(135deg, #f7e39a, #c9a24a 45%, #a07a26 70%, #eed27c);border-radius:10px;padding:22px 48px 20px;animation:.45s cubic-bezier(.3,1.7,.5,1) both intro-drop;position:relative;overflow:hidden;box-shadow:inset 0 2px #fff6c8,inset 0 -3px 5px #6b4d10,0 14px 30px #0000008c}.intro-splash .intro-plaque:after{content:"";background:linear-gradient(100deg,#0000,#ffffffbf,#0000);width:40%;animation:.5s ease-out .35s both intro-shine;position:absolute;top:-20%;bottom:-20%;left:-60%;transform:skew(-18deg)}.intro-splash .intro-by{font:700 15px var(--font-type);letter-spacing:.25em;color:#5a4214;text-shadow:0 1px #fff2b0;text-transform:uppercase}.intro-splash .intro-name{font:800 clamp(30px, 7vw, 56px)/1.05 var(--font-head);color:#3b2a05;text-shadow:0 1px #fff2b0,0 -1px #00000040}.intro-splash .intro-name span{animation:.3s cubic-bezier(.3,1.8,.5,1) both intro-letter;display:inline-block}.intro-splash .screw{margin-top:-6px;position:absolute;top:50%}.intro-splash .screw.l{left:12px}.intro-splash .screw.r{right:12px}.intro-splash .intro-bot{margin-bottom:4px;font-size:34px;animation:.5s cubic-bezier(.3,1.8,.5,1) .1s both intro-bot;display:block}@keyframes intro-drop{0%{opacity:0;transform:translateY(-60px)scale(.7)rotate(-4deg)}}@keyframes intro-letter{0%{opacity:0;transform:translateY(18px)scale(.4)}}@keyframes intro-shine{to{left:130%}}@keyframes intro-bot{0%{transform:scale(0)rotate(-90deg)}}@keyframes intro-out{0%,78%{opacity:1}to{opacity:0;visibility:hidden}}.crt-boot{animation:1.4s ease-out both crt}@keyframes crt{0%{filter:brightness(3)contrast(3);transform:scaleY(.02)}30%{transform:scaleY(.02)scaleX(1)}55%{filter:brightness(1.8);transform:scaleY(1)}70%{filter:brightness(.6)}80%{filter:brightness(1.4)}to{filter:none}}.speech{max-width:520px;font:20px/1.4 var(--font-hand);color:#1e2a4a;background:var(--tex-noise), #fffdf5;border-radius:18px;padding:16px 20px;animation:.5s cubic-bezier(.3,1.6,.5,1) toast-in;position:relative;box-shadow:0 6px 16px #0000004d}.speech:after{content:"";border:12px solid #0000;border-top:14px solid #fffdf5;position:absolute;bottom:-18px;left:40px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.stack{gap:12px;display:grid}.muted{color:var(--ink-soft)}.center{text-align:center}.grow{flex:1}.hand{font-family:var(--font-hand)}.typewriter{font-family:var(--font-type)}.spin{animation:1s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.dance{animation:.4s ease-in-out 4 dance}@keyframes dance{25%{transform:rotate(-8deg)translateY(-6px)}75%{transform:rotate(8deg)translateY(-6px)}}.two-col{grid-template-columns:1fr 1fr;gap:16px;display:grid}.diff{grid-template-columns:1fr 1fr;gap:12px;display:grid}.diff pre{white-space:pre-wrap;font:13px/1.5 var(--font-type);background:#fff9;border-radius:4px;max-height:50vh;padding:10px;overflow:auto;box-shadow:inset 0 1px 3px #0003}@media (max-width:1080px){.workshop,.classroom{grid-template-columns:1fr}.chat-scroll{max-height:none}}@media (max-width:640px){.page{padding:12px 16px 48px}.two-col,.diff{grid-template-columns:1fr}.gel-lg{padding:14px 26px;font-size:20px}.gel-xl{padding:16px 28px;font-size:22px}.app-header{flex-wrap:wrap;gap:8px}.app-header .logo{font-size:20px}.conveyor .station span.name{font-size:11px}.stage{height:52vh}.shelf{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.robot-pod{height:280px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.intro-splash{animation:1s step-end forwards intro-out!important}}