pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#79c0ff}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-comment,.hljs-code,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.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{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--jb-ink: #231e20;--jb-ink-soft: #362d5b;--jb-violet: #6b56ff;--jb-violet-strong: #5542dc;--jb-violet-soft: #eeebff;--jb-paper: #f7f6ff;--jb-surface: #ffffff;--jb-line: #dedaf1;--jb-text: #231e20;--jb-muted: #68637a;--csai-violet-2: #6354d9;--csai-violet-3: #5347b7;--csai-violet-4: #473a8f;--csai-violet-5: #362d5b;color:var(--jb-text);background:var(--jb-paper);font-family:JetBrains Sans,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select,textarea{font:inherit}.site-shell{min-height:100vh;background:linear-gradient(180deg,#fbfaff 0%,var(--jb-paper) 28%,#f2f0fb 100%)}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 28px;color:#fff;border-bottom:4px solid var(--jb-violet);background:radial-gradient(circle at 76% -40%,rgba(107,86,255,.44),transparent 34%),linear-gradient(110deg,var(--jb-ink) 0%,#262054 100%)}.brand-link{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-link:before{width:34px;height:34px;flex:0 0 34px;border-radius:11px 11px 11px 4px;background:radial-gradient(circle at 26% 28%,white 0 3px,transparent 3.5px),linear-gradient(135deg,var(--jb-violet) 0%,#5347b7 100%);box-shadow:14px 14px 0 -8px #8a7aff;content:""}.brand-link:focus-visible{outline:2px solid #c7ddff;outline-offset:5px;border-radius:4px}.brand-link h1{margin:0;font-size:26px;font-weight:700;line-height:1.05;letter-spacing:-.02em}.brand-copy{min-width:0}.topbar .brand-meta{display:flex;flex-wrap:wrap;gap:2px 12px;margin-top:5px;line-height:1.25}.brand-authors{padding-left:12px;border-left:1px solid rgba(255,255,255,.28);color:#ded9ff}.topbar p{margin:3px 0 0;color:#b8b8c2;font-size:13px}.topbar-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px}.mobile-menu-button{display:none;width:40px;height:40px;place-items:center;border:1px solid rgba(255,255,255,.24);border-radius:50%;background:#ffffff14;color:#f8fbff;cursor:pointer}.mobile-menu-button:hover,.mobile-menu-button:focus-visible{background:#ffffff24}.mobile-menu-button:focus-visible{outline:2px solid #c7ddff;outline-offset:2px}.analytics-settings-button{min-height:42px;padding:0 15px;border:1px solid rgba(255,255,255,.24);border-radius:22px;background:#ffffff14;color:#fff;font-size:13px;font-weight:650;cursor:pointer;transition:border-color .16s ease,background .16s ease}.analytics-settings-button:hover{border-color:#fff6;background:#ffffff24}.analytics-settings-button:focus-visible{outline:2px solid #c7ddff;outline-offset:2px}.theme-toggle{position:relative;display:inline-flex;align-items:center;gap:3px;padding:3px;border:1px solid rgba(255,255,255,.22);border-radius:22px;background:#ffffff0f;cursor:pointer;transition:border-color .16s ease,background .16s ease}.theme-toggle:before{position:absolute;top:3px;left:3px;width:34px;height:34px;border-radius:50%;background:#fff;box-shadow:none;content:"";transition:background .16s ease,transform .16s ease}.theme-toggle[aria-pressed=true]:before{transform:translate(37px)}.theme-toggle-icon{position:relative;z-index:1;display:grid;width:34px;height:34px;place-items:center;border-radius:50%;color:#d5e4f3;pointer-events:none;transition:color .16s ease}.theme-toggle:hover{border-color:#ffffff61;background:#ffffff1a}.theme-toggle:hover .theme-toggle-icon:not(.active){color:#fff}.theme-toggle-icon.active{color:var(--jb-ink)}.theme-toggle:focus-visible{outline:2px solid #c7ddff;outline-offset:2px}.analytics-consent-panel{position:fixed;bottom:18px;left:50%;z-index:80;width:min(720px,calc(100vw - 32px));padding:20px;border:1px solid var(--jb-line);border-radius:12px;background:var(--jb-surface);color:var(--jb-text);box-shadow:0 20px 60px #231e203d;transform:translate(-50%)}.analytics-consent-panel:focus-visible{outline:3px solid var(--jb-violet);outline-offset:3px}.analytics-consent-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.analytics-consent-header h2{margin:0;font-size:19px;line-height:1.25}.analytics-consent-status{margin:4px 0 0;color:var(--jb-muted);font-size:13px}.analytics-consent-panel>p{margin:14px 0 8px}.analytics-consent-panel>a{color:var(--jb-violet-strong);font-weight:650;text-underline-offset:3px}.analytics-consent-close{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;padding:0;border:1px solid var(--jb-line);border-radius:50%;background:transparent;color:var(--jb-text);font-size:23px;line-height:1;cursor:pointer}.analytics-consent-close:hover,.analytics-consent-close:focus-visible{border-color:var(--jb-violet);background:var(--jb-violet-soft)}.analytics-consent-close:focus-visible,.analytics-consent-choice:focus-visible{outline:2px solid var(--jb-violet);outline-offset:2px}.analytics-consent-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px}.analytics-consent-choice{min-height:44px;padding:9px 14px;border:1px solid var(--jb-violet);border-radius:8px;background:transparent;color:var(--jb-violet-strong);font-weight:700;cursor:pointer}.analytics-consent-choice:hover,.analytics-consent-choice[aria-pressed=true]{background:var(--jb-violet-soft)}.overview-pane{width:min(1180px,calc(100vw - 48px));margin:0 auto;padding:40px 0 92px}.overview-intro{position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;gap:24px;min-height:300px;overflow:hidden;padding:48px;border:0;border-radius:8px;background:linear-gradient(90deg,rgba(35,30,32,.34) 0%,rgba(38,32,84,.1) 60%,transparent 100%),url(/assets/csai-program-banner-v2-r_nKL5tL.webp) center / cover no-repeat;box-shadow:0 20px 54px #2620543d;isolation:isolate}.overview-intro:after{position:absolute;inset:0;z-index:-1;border-radius:inherit;background:linear-gradient(180deg,transparent 46%,rgba(35,30,32,.24) 100%);content:"";pointer-events:none}.overview-program-partners{position:absolute;top:24px;left:28px;width:344px;aspect-ratio:777 / 158;overflow:hidden;border:1px solid rgba(255,255,255,.26);border-radius:8px;background-color:#6b56ff;background-image:url(/assets/csai-program-partners-DhNHKlBT.png);background-repeat:no-repeat;background-position:center;background-size:cover;box-shadow:0 12px 34px #16123247}.overview-intro p{margin:0;color:#f0edff}.overview-intro .breadcrumb{color:#f0edff}.overview-actions{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:10px}.overview-actions .primary-action,.overview-actions .secondary-action{margin-top:0;white-space:nowrap}.overview-actions .primary-action{background:var(--jb-violet)}.overview-actions .primary-action:hover:not(:disabled){background:#7a69ff}.overview-actions .secondary-action{border-color:#ffffff8c;color:#fff}.overview-actions .secondary-action:hover:not(:disabled){border-color:#fff;background:#ffffff1a}.overview-actions a.secondary-action{display:inline-flex;align-items:center;gap:8px;text-decoration:none}.overview-actions a.secondary-action:focus-visible{outline:2px solid #c7ddff;outline-offset:3px}.overview-search{display:grid;gap:10px;margin-top:28px;padding:24px;border:1px solid var(--jb-line);border-left:6px solid var(--jb-violet);border-radius:8px;background:var(--jb-surface)}.overview-search-input{min-height:44px}.overview-search-results{display:grid;gap:8px}.overview-search-result{display:grid;gap:3px;width:100%;border:0;border-top:1px solid var(--jb-line);border-radius:6px;padding:11px 12px;background:transparent;color:var(--jb-text);text-align:left;cursor:pointer}.overview-search-result:hover{border-color:#c7c0ff;background:#f7f6ff}.overview-result-title{color:var(--jb-text);font-size:17px;font-weight:600}.overview-result-path,.overview-result-meta,.overview-search-empty{color:var(--jb-muted);font-size:13px}.overview-modules{display:grid;gap:42px;margin-top:48px}.overview-module{--module-accent: var(--jb-violet-strong);display:grid;gap:0;padding-left:24px;border-left:6px solid var(--module-accent)}.overview-module:nth-child(2){--module-accent: var(--csai-violet-2)}.overview-module:nth-child(3){--module-accent: var(--csai-violet-3)}.overview-module:nth-child(4){--module-accent: var(--csai-violet-4)}.overview-module:nth-child(5){--module-accent: var(--csai-violet-5)}.overview-module-header{display:flex;align-items:baseline;justify-content:space-between;gap:18px;padding:0 0 16px;border-bottom:0}.overview-module-header h3{margin:0;color:var(--jb-text);font-size:35px;font-weight:700;letter-spacing:-.03em}.overview-module-header span{color:var(--jb-muted);font-size:12px;font-weight:700}.overview-chapters{display:grid;gap:14px}.overview-chapter{overflow:hidden;border:1px solid var(--jb-line);border-radius:8px;background:var(--jb-surface)}.overview-chapter h4{margin:0;color:var(--jb-text);font-size:23px;font-weight:600;letter-spacing:-.02em}.overview-chapter-title{appearance:none;border:0;padding:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}.overview-chapter-title:hover{color:var(--jb-violet-strong)}.overview-chapter-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:24px}.overview-chapter-header p{margin:6px 0 0;color:var(--jb-muted);font-size:13px}.overview-chapter-number{display:block;margin-bottom:7px;color:var(--module-accent);font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.overview-toggle-icon{display:grid;width:38px;height:38px;place-items:center;border:0;border-radius:50%;padding:0;background:var(--jb-violet-soft);color:var(--jb-violet);cursor:pointer;transition:border-color .16s ease,background .16s ease,color .16s ease,transform .16s ease}.overview-toggle-icon svg{transition:transform .16s ease}.overview-toggle-icon[aria-expanded=true] svg{transform:rotate(180deg)}.overview-toggle-icon:hover{border-color:transparent;background:var(--jb-violet);color:#fff}.overview-topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;padding:8px 24px 20px;border-top:1px solid var(--jb-line);background:#fbfbfc}.overview-topic-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:3px 14px;min-height:0;border:0;border-bottom:1px solid #e4e4e8;border-radius:6px;padding:13px 10px;background:transparent;color:var(--jb-text);text-align:left;cursor:pointer;box-shadow:none;transition:border-color .16s ease,color .16s ease}.overview-topic-card:hover{border-color:#c7c0ff;background:var(--jb-violet-soft);box-shadow:none;transform:none}.overview-topic-card.done{border-color:#a8d8bd;background:transparent}.overview-chapter.complete .overview-chapter-title,.overview-topic-card.done .overview-topic-title{color:#12683f}.overview-topic-title{align-self:start;color:var(--jb-text);font-size:17px;font-weight:600;line-height:1.3}.overview-topic-meta{grid-column:1;color:var(--jb-muted);font-size:11px;font-weight:700}.overview-topic-card svg{grid-column:2;grid-row:1 / 3;align-self:center;color:var(--jb-violet)}.reader-grid{--reader-sidebar-width: 300px;display:grid;grid-template-columns:minmax(220px,var(--reader-sidebar-width)) 10px minmax(0,1fr) minmax(210px,260px);gap:0;min-height:calc(100vh - 76px)}.reader-nav{min-width:0;border-right:1px solid var(--jb-line);background:var(--jb-paper);padding:26px 18px 36px;overflow:auto;box-shadow:inset 5px 0 0 var(--jb-violet)}.sidebar-resize-handle{position:relative;min-width:10px;min-height:100%;border:0;background:transparent;cursor:col-resize;touch-action:none}.sidebar-resize-handle:before{content:"";position:absolute;top:0;bottom:0;left:4px;width:1px;background:var(--jb-line);transition:background .16s ease,box-shadow .16s ease,left .16s ease,width .16s ease}.sidebar-resize-handle:hover:before,.sidebar-resize-handle:focus-visible:before,.reader-grid.resizing-sidebar .sidebar-resize-handle:before{left:3px;width:3px;background:var(--jb-violet);box-shadow:0 0 0 4px #6b57ff24}.sidebar-resize-handle:focus-visible{outline:none}body.sidebar-resizing{cursor:col-resize;-webkit-user-select:none;user-select:none}.nav-title,.progress-label,.breadcrumb,.field-label,.task-heading{color:var(--jb-violet-strong);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.nav-module{margin:0 0 10px}.nav-module>h2{margin:0 0 8px;font-size:14px}.module-jump{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:8px;width:100%;border:0;border-bottom:1px solid var(--jb-line);border-radius:0;padding:11px 2px;background:transparent;color:var(--jb-text);box-shadow:none;cursor:pointer;font:inherit;font-weight:750;text-align:left}.module-jump:hover,.nav-module.active .module-jump,.nav-module.expanded .module-jump{border-color:var(--jb-violet);background:transparent;color:var(--jb-violet-strong)}.module-jump:after{content:"+";display:grid;width:auto;height:auto;place-items:center;border:0;border-radius:0;color:var(--jb-violet);font-size:13px;font-weight:900}.module-jump[aria-expanded=true]:after{content:"-"}.nav-progress-count{border-radius:0;padding:0;background:transparent;color:var(--jb-muted);font-size:11px;font-weight:850;line-height:1.45;white-space:nowrap}.nav-chapter{margin-left:5px;padding-left:9px;border-left:1px solid var(--jb-line)}.nav-chapter h3{margin:12px 0 8px;font-size:15px}.chapter-jump{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:8px;width:100%;border:0;padding:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}.chapter-jump>span:first-child,.unit-jump>span:first-child,.module-jump>span:first-child{min-width:0}.chapter-jump:hover{color:var(--jb-violet-strong)}.chapter-jump:after{content:"+";display:grid;width:auto;height:auto;flex:0 0 20px;place-items:center;border:0;border-radius:0;color:var(--jb-violet);font-size:13px;font-weight:800}.chapter-jump[aria-expanded=true]:after{content:"-"}.nav-unit h4{margin:16px 0 8px;color:var(--jb-muted);font-size:13px}.unit-jump{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:8px;width:100%;border:0;border-left:2px solid transparent;border-radius:6px;padding:7px 8px;background:transparent;color:inherit;cursor:pointer;font:inherit;font-weight:700;text-align:left}.unit-jump:hover,.nav-unit.active .unit-jump,.nav-unit.expanded .unit-jump{border-color:var(--jb-violet);background:var(--jb-violet-soft);color:var(--jb-violet-strong)}.unit-jump:after{content:"+";display:grid;width:auto;height:auto;place-items:center;border:0;border-radius:0;color:var(--jb-violet);font-size:12px;font-weight:900}.unit-jump[aria-expanded=true]:after{content:"-"}.unit-jump:focus-visible{outline:2px solid #8c7cff;outline-offset:2px}.unit-count{background:transparent}.module-jump.complete,.nav-module.active .module-jump.complete,.nav-module.expanded .module-jump.complete{border-color:#a7dcc1;background:transparent;color:#16734c}.chapter-jump.complete{color:#16734c}.unit-jump.complete,.nav-unit.active .unit-jump.complete,.nav-unit.expanded .unit-jump.complete{border-color:#c8e9d6;background:transparent;color:#16734c}.module-jump.complete:after,.chapter-jump.complete:after,.unit-jump.complete:after{border-color:#a7dcc1;background:#e9f8ef;color:#16734c}.module-jump.complete .nav-progress-count,.chapter-jump.complete .nav-progress-count,.unit-jump.complete .nav-progress-count{background:#16734c1f;color:#16734c}.unit-steps{margin-top:6px;display:flex;flex-wrap:wrap;gap:7px}.step-link{width:32px;height:32px;flex:0 0 32px;display:grid;align-items:center;justify-content:center;margin:0;padding:0;border:1px solid var(--jb-line);border-radius:8px;background:var(--jb-surface);color:var(--jb-text);cursor:pointer;box-shadow:none;transition:border-color .16s ease,background .16s ease,color .16s ease}.step-link:hover,.step-link.active{border-color:var(--jb-violet);background:var(--jb-violet-soft);box-shadow:inset 0 -2px 0 var(--jb-violet)}.step-link:hover{transform:none}.step-link.done{border-color:#a8d8bd;background:#eef8f1;color:#16734c}.step-status{display:grid;width:100%;height:100%;place-items:center;color:var(--jb-muted)}.step-status.done{color:#16734c}.lesson-pane{min-width:0;max-width:920px;width:100%;margin:0 auto;padding:50px 54px 80px;border-right:1px solid var(--jb-line);border-left:1px solid var(--jb-line);background:var(--jb-surface)}.lesson-pane>h2{margin:7px 0 24px;color:var(--jb-text);font-size:40px;font-weight:700;line-height:1.12;letter-spacing:-.035em}.lesson-html{color:#29292d;font-size:18px;line-height:1.65}.lesson-html p{margin:0 0 1em}.lesson-html .proof-end-container:after{content:"";display:block;clear:both}.lesson-html .proof-end{float:right;margin:0 0 2px 18px;color:#536b86;font-size:.9em;line-height:1.45}.lesson-html blockquote{margin:26px 0 28px;padding:5px 0 5px 22px;border:0;border-left:3px solid var(--jb-violet);border-radius:0;background:transparent;color:#505057!important;box-shadow:none}.lesson-html blockquote p:last-child{margin-bottom:0}.lesson-html .callout{margin:20px 0 22px;overflow:hidden;border:1px solid #d8d3ff;border-left:4px solid var(--jb-violet);border-radius:8px;background:#f7f6ff;box-shadow:none}.lesson-html .callout-hint{border-color:#cbbd8c;border-left-color:#9b7b2f;background:#f8f3df}.lesson-html .callout-curious{border-color:#b8cbc2;border-left-color:#517a68;background:#edf4ef}.lesson-html .callout>summary{display:flex;align-items:center;gap:10px;min-height:46px;padding:11px 15px;color:#42369e;font-weight:800;cursor:pointer;list-style:none}.lesson-html .callout>summary::-webkit-details-marker{display:none}.lesson-html .callout>summary:after{content:"+";display:grid;width:24px;height:24px;margin-left:auto;place-items:center;border-radius:50%;background:transparent;color:var(--jb-violet);font-size:18px;line-height:1}.lesson-html .callout[open]>summary:after{content:"-"}.lesson-html .callout>div{border:0!important;margin:0!important;padding:0 15px 15px!important;background:transparent!important;color:#26384d!important}.lesson-html .callout[open]>div{animation:callout-reveal .16s ease-out}@keyframes callout-reveal{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.lesson-html h1,.lesson-html h2,.lesson-html h3{color:var(--jb-text);font-weight:600;letter-spacing:-.02em}.lesson-html .katex-display{overflow-x:auto;overflow-y:hidden}.lesson-html pre{margin:18px 0 20px;overflow:auto;border:1px solid var(--jb-line);border-radius:8px;background:#f5f5f7;color:var(--jb-text);box-shadow:none}.lesson-html .code-frame{margin:20px 0 22px;overflow:hidden;border:1px solid var(--jb-ink-soft);border-radius:8px;background:var(--jb-ink);box-shadow:none}.lesson-html .code-toolbar{min-height:38px;display:flex;align-items:center;justify-content:flex-end;gap:14px;padding:0 14px;border-bottom:1px solid #45454a;background:var(--jb-ink-soft)}.lesson-html .code-window-dots{display:none;gap:7px}.lesson-html .code-window-dots span{width:10px;height:10px;border-radius:50%;box-shadow:inset 0 0 0 1px #224a763d}.lesson-html .code-window-dots span:nth-child(1){background:#6aa8df}.lesson-html .code-window-dots span:nth-child(2){background:#8fc3ef}.lesson-html .code-window-dots span:nth-child(3){background:#b7daf6}.lesson-html .code-language{color:#b8adff;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.lesson-html .code-frame pre{margin:0;border:0;border-radius:0;background:var(--jb-ink);box-shadow:none}.lesson-html pre code,.lesson-html pre code.hljs{display:block;min-width:max-content;padding:17px 20px;background:transparent;color:var(--jb-text);font-family:JetBrains Mono,SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:14px;line-height:1.55;tab-size:4}.lesson-html .code-frame pre code,.lesson-html .code-frame pre code.hljs{padding-left:20px;color:#f4f4f7}.lesson-html .hljs-keyword,.lesson-html .hljs-built_in{color:#765ff2}.lesson-html .hljs-number,.lesson-html .hljs-literal{color:#b45309}.lesson-html .hljs-string,.lesson-html .hljs-title{color:#047857}.lesson-html .hljs-variable,.lesson-html .hljs-params,.lesson-html .hljs-attr,.lesson-html .hljs-attribute{color:#8b5cf6}.lesson-html .hljs-subst,.lesson-html .hljs-symbol,.lesson-html .hljs-meta{color:#be185d}.lesson-html .hljs-comment{color:#64748b}.result-box{overflow:auto;border-radius:8px;padding:14px;background:#f1efff;color:var(--jb-text)}.lesson-html img{max-width:100%;height:auto}.lesson-html .theme-image{display:block;max-width:100%;margin:0;border-radius:8px}.lesson-html .theme-image-frame{position:relative;display:inline-block;max-width:100%;overflow:hidden;border-radius:8px;line-height:0}.lesson-html .theme-image-frame>.theme-image{max-width:100%;margin:0}.lesson-html .theme-image-frame>.theme-image-dark{display:none}.lesson-html .myquote-frame{display:block;width:min(100%,860px);margin:20px auto 24px}.lesson-html .myquote-frame>.theme-image{width:100%;max-width:none;border-radius:0}.progress-rail{border-left:1px solid var(--jb-line);background:var(--jb-paper);padding:28px 22px}.progress-panel{position:sticky;top:100px;display:grid;gap:8px}.progress-panel p{margin:0;color:var(--jb-muted);font-size:13px;line-height:1.4}.inline-progress-summary{display:none;gap:12px;margin:-2px 0 26px;padding:0 0 16px;border-bottom:1px solid #e4ebf2}.inline-progress-summary>div{min-width:0;padding:0}.inline-progress-summary strong,.inline-progress-summary span{display:block}.inline-progress-summary strong{margin-top:3px;color:#102033;font-size:18px}.inline-progress-summary span{color:#536174;font-size:13px}.secondary-progress{color:#5f6f82;font-size:12px}.inline-progress-summary .secondary-progress{margin-top:4px}.progress-number{margin-top:4px;color:var(--jb-text);font-size:38px;font-weight:500}.progress-track{height:4px;margin:10px 0;overflow:hidden;border-radius:999px;background:#dedde5}.progress-track span{display:block;height:100%;background:var(--jb-violet)}.step-controls{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:34px;padding-top:20px;border-top:1px solid #e4ebf2}.step-controls span{color:#536174;font-weight:700;text-align:center}.step-control-position{display:grid;gap:2px;min-width:0}.step-control-position strong{color:#34445a;font-size:14px}.step-control-position small{color:#5f6f82;font-size:12px;font-weight:600}.step-controls .primary-action,.step-controls .secondary-action{min-width:138px;margin-top:0}.task-card{margin-top:28px;padding:22px;border:1px solid var(--jb-line);border-top:4px solid var(--jb-violet);border-radius:8px;background:#fbfbfc;box-shadow:none}.task-option-list{display:grid;gap:10px;margin:16px 0 0;padding:0;list-style:none}.task-option{display:grid;grid-template-columns:30px minmax(0,1fr);align-items:flex-start;gap:12px;min-height:56px;padding:14px 15px;border:1px solid var(--jb-line);border-radius:8px;background:var(--jb-surface);box-shadow:none}.task-option-number{display:grid;width:28px;height:28px;place-items:center;border-radius:50%;background:var(--jb-violet-soft);color:var(--jb-violet-strong);font-size:12px;font-weight:800}.task-option-body{min-width:0;color:#172033;padding-top:1px;font-size:16px;line-height:1.5}.task-option-body>:first-child{margin-top:0}.task-option-body>:last-child{margin-bottom:0}.task-option-body p{margin:0}.task-option-body .math-tex{white-space:nowrap}.task-points{color:var(--jb-text);font-size:14px;font-weight:700}.text-input,select{width:100%;border:1px solid #c8c8cf;border-radius:8px;padding:10px 11px;background:var(--jb-surface);color:var(--jb-text)}.primary-action,.secondary-action{border:0;border-radius:24px;padding:11px 20px;cursor:pointer;font-weight:700}.primary-action{margin-top:12px;color:#fff;background:var(--jb-violet)}.primary-action:hover:not(:disabled){background:var(--jb-violet-strong)}.secondary-action{margin-top:12px;color:var(--jb-text);border:1px solid #b8b8c0;background:transparent}.secondary-action:hover:not(:disabled){border-color:var(--jb-violet);background:var(--jb-violet-soft)}.primary-action:disabled,.secondary-action:disabled{cursor:not-allowed;opacity:.65}.success-note,.error-note,.result-note{margin-top:12px;border-radius:8px;padding:10px 12px}.feedback-note{animation:feedback-pop .18s ease-out}.feedback-message{font-weight:800}.feedback-details{display:grid;gap:8px;margin:10px 0 0;padding:0;list-style:none}.feedback-detail{display:grid;grid-template-columns:auto minmax(0,1fr);gap:9px;align-items:start;border-top:1px solid rgba(138,36,31,.12);padding-top:8px}.feedback-detail.correct{border-top-color:#0d5f3f2e;color:#0d5f3f}.feedback-detail.incorrect{border-top-color:#8a241f29;color:#8a241f}.feedback-detail-label{border-radius:999px;padding:2px 8px;background:#8a241f14;color:inherit;font-size:12px;font-weight:800;white-space:nowrap}.feedback-detail.correct .feedback-detail-label{background:#0d5f3f1a}.feedback-detail.incorrect .feedback-detail-label{background:#8a241f14}.feedback-detail-html{min-width:0}.feedback-detail-html>:first-child{margin-top:0}.feedback-detail-html>:last-child{margin-bottom:0}.feedback-detail-html p{margin:0}@keyframes feedback-pop{0%{opacity:.55;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.success-note{color:#0d5f3f;background:#e9f8ef}.error-note{color:#8a241f;background:#fff0ef}.result-note{color:#1f3a5a;background:#eef6ff}.programming-samples{display:grid;gap:10px;margin:14px 0}.programming-sample{border:1px solid var(--jb-line);border-radius:8px;padding:12px;background:#fff}.programming-sample>strong{display:block;margin-bottom:10px;color:#11243a}.programming-result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.result-field-label{margin-bottom:5px;color:#5f6f82;font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.programming-sample pre{min-height:42px;max-height:180px;margin:0;overflow:auto;border:1px solid #c4ddf2;border-radius:8px;padding:9px;background:#f3f9ff;color:#102033;font-size:13px;white-space:pre-wrap}.video-card video{display:block;width:100%;max-height:520px;border-radius:8px;background:var(--jb-ink)}.programming-toolbar{display:flex;align-items:center;gap:12px;margin-bottom:12px}.load-state{display:grid;min-height:100vh;place-items:center;padding:32px;color:var(--jb-text);background:var(--jb-paper)}@media(max-width:1100px){.reader-grid{grid-template-columns:minmax(220px,min(var(--reader-sidebar-width),40vw)) 10px minmax(0,1fr)}.progress-rail{display:none}.inline-progress-summary{display:grid;grid-template-columns:minmax(0,1fr)}}@media(max-width:760px){.topbar{position:sticky;top:0;z-index:30;min-height:58px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 12px}.brand-link h1{font-size:20px}.topbar .brand-meta{display:grid;gap:0;margin-top:3px;font-size:10px}.brand-authors{padding-left:0;border-left:0}.brand-link:before{width:28px;height:28px;flex-basis:28px;border-radius:9px 9px 9px 3px;box-shadow:11px 11px 0 -7px #8a7aff}.mobile-menu-button{display:grid}.topbar-actions{display:none;grid-column:1 / -1;justify-content:space-between;width:100%;padding-top:6px}.topbar.expanded .topbar-actions{display:flex}.analytics-consent-panel{bottom:10px;width:min(100vw - 20px,720px);padding:16px}.overview-pane{width:min(100vw - 28px,1180px);padding:28px 0 48px}.overview-intro{flex-direction:column;align-items:flex-start;min-height:330px;padding:124px 24px 32px;background-position:center,84% center}.overview-intro:after{inset:0;width:auto;height:auto;border-radius:inherit;box-shadow:none;opacity:1}.overview-program-partners{top:20px;left:20px;width:min(274px,calc(100% - 40px))}.overview-search{padding:18px}.overview-actions{justify-content:flex-start;width:100%}.overview-chapter-header{align-items:flex-start}.overview-module-header{align-items:flex-start;flex-direction:column;gap:4px}.overview-module{padding-left:14px;border-left-width:4px}.overview-actions .primary-action,.overview-actions .secondary-action{flex:1 1 150px}.overview-topic-grid{grid-template-columns:minmax(0,1fr);padding:8px 16px 18px}.overview-chapter-header{padding:20px}.reader-grid{grid-template-columns:1fr}.sidebar-resize-handle{display:none}.reader-nav{position:sticky;top:58px;z-index:20;max-height:none;border-right:0;border-bottom:1px solid #d9e2eb;padding:8px 10px 7px;overflow:hidden}.topbar.expanded+.reader-grid .reader-nav{top:116px}.reader-nav .nav-title,.reader-nav .nav-module>h2,.reader-nav .nav-chapter>h3,.reader-nav .nav-unit>h4,.reader-nav .nav-module:not(.active),.reader-nav .nav-chapter:not(.active),.reader-nav .nav-unit:not(.active){display:none}.reader-nav .nav-module,.reader-nav .nav-chapter,.reader-nav .nav-unit{margin:0;padding:0}.nav-module>h2,.nav-chapter h3{margin:0}.reader-nav .nav-unit.active{display:block;max-width:100%;overflow:hidden}.reader-nav .nav-unit.active .unit-steps{margin:0;flex-wrap:nowrap;gap:8px;overflow-x:auto;padding:2px 2px 6px;scrollbar-width:thin}.reader-nav .nav-unit.active .step-link{width:36px;height:36px;flex-basis:36px}.lesson-pane{padding:28px 20px 48px}.step-controls{display:grid;grid-template-columns:1fr}.step-controls .primary-action,.step-controls .secondary-action{width:100%}}@media(max-width:520px){.inline-progress-summary{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}html[data-theme=dark],html[data-theme=dark] body{background:#231e20;color:#f9f8ff}.site-shell[data-theme=dark]{--jb-ink: #231e20;--jb-ink-soft: #362d5b;--jb-violet: #6b56ff;--jb-violet-strong: #8677ee;--jb-violet-soft: #362d5b;--jb-paper: #231e20;--jb-surface: #2a2437;--jb-line: #473a8f;--jb-text: #f9f8ff;--jb-muted: #c2bbd7;background:#231e20;color:#f9f8ff}.site-shell[data-theme=dark] .topbar{background:radial-gradient(circle at 76% -40%,rgba(107,86,255,.55),transparent 36%),linear-gradient(110deg,#231e20,#262054);border-bottom-color:#6b56ff;color:#f9f8ff}.site-shell[data-theme=dark] .topbar p{color:#c2bbd7}.site-shell[data-theme=dark] .theme-toggle{border-color:#5243b0;background:#362d5b}.site-shell[data-theme=dark] .theme-toggle:before{background:#6b56ff}.site-shell[data-theme=dark] .theme-toggle-icon{color:#e5e2fb}.site-shell[data-theme=dark] .theme-toggle:hover{border-color:#8677ee;background:#473a8f}.site-shell[data-theme=dark] .theme-toggle-icon.active{color:#fff}.site-shell[data-theme=dark] .analytics-consent-panel{border-color:#5243b0;background:#2a2437;box-shadow:0 20px 60px #0000006b}.site-shell[data-theme=dark] .analytics-consent-panel>a,.site-shell[data-theme=dark] .analytics-consent-choice{color:#b9afff}.site-shell[data-theme=dark] .analytics-consent-close,.site-shell[data-theme=dark] .analytics-consent-choice{border-color:#6b56ff}.site-shell[data-theme=dark] .analytics-consent-close:hover,.site-shell[data-theme=dark] .analytics-consent-close:focus-visible,.site-shell[data-theme=dark] .analytics-consent-choice:hover,.site-shell[data-theme=dark] .analytics-consent-choice[aria-pressed=true]{background:#362d5b}.site-shell[data-theme=dark] .overview-intro,.site-shell[data-theme=dark] .step-controls,.site-shell[data-theme=dark] .overview-topic-grid,.site-shell[data-theme=dark] .reader-nav,.site-shell[data-theme=dark] .progress-rail{border-color:#473a8f}.site-shell[data-theme=dark] .reader-nav,.site-shell[data-theme=dark] .progress-rail{background:#2a2437}.site-shell[data-theme=dark] .sidebar-resize-handle:before{background:#5243b0}.site-shell[data-theme=dark] .sidebar-resize-handle:hover:before,.site-shell[data-theme=dark] .sidebar-resize-handle:focus-visible:before,.site-shell[data-theme=dark] .reader-grid.resizing-sidebar .sidebar-resize-handle:before{background:#6b56ff;box-shadow:0 0 0 4px #6b56ff33}.site-shell[data-theme=dark] .lesson-pane{border-color:#473a8f;background:#231e20}.site-shell[data-theme=dark] .overview-search,.site-shell[data-theme=dark] .overview-chapter{border-color:#473a8f;background:#2a2437;color:#f9f8ff}.site-shell[data-theme=dark] .overview-search{border-left-color:#6b56ff}.site-shell[data-theme=dark] .task-card,.site-shell[data-theme=dark] .programming-sample,.site-shell[data-theme=dark] .task-option{border-color:#473a8f;background:#2a2437;color:#f9f8ff}.site-shell[data-theme=dark] .inline-progress-summary{border-color:#223954}.site-shell[data-theme=dark] .task-card{border-top-color:#6b56ff;background:#2a2437;box-shadow:none}.site-shell[data-theme=dark] .step-link{border-color:#473a8f;background:#231e20;color:#f9f8ff}.site-shell[data-theme=dark] .overview-search-result,.site-shell[data-theme=dark] .overview-topic-card{border-color:#473a8f;background:transparent;color:#f9f8ff}.site-shell[data-theme=dark] .step-link:hover,.site-shell[data-theme=dark] .step-link.active,.site-shell[data-theme=dark] .overview-search-result:hover,.site-shell[data-theme=dark] .overview-topic-card:hover{border-color:#6b56ff;background:#362d5b}.site-shell[data-theme=dark] .task-option{background:#231e20;box-shadow:none}.site-shell[data-theme=dark] .overview-topic-grid{background:#231e20}.site-shell[data-theme=dark] .overview-topic-card.done{border-color:#50745f;background:transparent}.site-shell[data-theme=dark] .overview-topic-card svg{color:#9a8cff}.site-shell[data-theme=dark] .overview-intro h2,.site-shell[data-theme=dark] .overview-module-header h3,.site-shell[data-theme=dark] .overview-chapter h4,.site-shell[data-theme=dark] .overview-chapter-title,.site-shell[data-theme=dark] .overview-result-title,.site-shell[data-theme=dark] .overview-topic-title,.site-shell[data-theme=dark] .lesson-pane>h2,.site-shell[data-theme=dark] .lesson-html h1,.site-shell[data-theme=dark] .lesson-html h2,.site-shell[data-theme=dark] .lesson-html h3,.site-shell[data-theme=dark] .inline-progress-summary strong,.site-shell[data-theme=dark] .progress-number,.site-shell[data-theme=dark] .step-control-position strong,.site-shell[data-theme=dark] .programming-sample>strong,.site-shell[data-theme=dark] .task-option-body{color:#f9f8ff}.site-shell[data-theme=dark] .overview-chapter.complete .overview-chapter-title,.site-shell[data-theme=dark] .overview-topic-card.done .overview-topic-title{color:#86efac}.site-shell[data-theme=dark] .lesson-html{color:#e5e2fb}.site-shell[data-theme=dark] .lesson-html blockquote{border-color:#6b56ff;background:transparent;color:#d7d1ef!important;box-shadow:none}.site-shell[data-theme=dark] .lesson-html .callout{border-color:#5243b0;border-left-color:#6b56ff;background:#362d5b;box-shadow:none}.site-shell[data-theme=dark] .lesson-html .callout-hint{border-color:#6b6248;background:#28271f}.site-shell[data-theme=dark] .lesson-html .callout-curious{border-color:#4c655a;background:#202824}.site-shell[data-theme=dark] .lesson-html .callout>summary{color:#c2bbf7}.site-shell[data-theme=dark] .lesson-html .callout>summary:after{background:transparent;color:#c2bbf7}.site-shell[data-theme=dark] .lesson-html .callout>div{color:#e5e2fb!important}.site-shell[data-theme=dark] .lesson-html .proof-end{color:#a9bfd7}.site-shell[data-theme=dark] .lesson-html .theme-image-frame>.theme-image:not(.theme-image-dark){display:none}.site-shell[data-theme=dark] .lesson-html .theme-image-frame>.theme-image-dark{display:block}.site-shell[data-theme=dark] .overview-intro p,.site-shell[data-theme=dark] .overview-chapter-header p,.site-shell[data-theme=dark] .overview-result-path,.site-shell[data-theme=dark] .overview-result-meta,.site-shell[data-theme=dark] .overview-search-empty,.site-shell[data-theme=dark] .overview-module-header span,.site-shell[data-theme=dark] .overview-chapter-number,.site-shell[data-theme=dark] .overview-topic-meta,.site-shell[data-theme=dark] .nav-title,.site-shell[data-theme=dark] .nav-progress-count,.site-shell[data-theme=dark] .progress-label,.site-shell[data-theme=dark] .breadcrumb,.site-shell[data-theme=dark] .field-label,.site-shell[data-theme=dark] .task-heading,.site-shell[data-theme=dark] .secondary-progress,.site-shell[data-theme=dark] .inline-progress-summary span,.site-shell[data-theme=dark] .step-controls span,.site-shell[data-theme=dark] .step-control-position small,.site-shell[data-theme=dark] .result-field-label{color:#c2bbd7}.site-shell[data-theme=dark] .overview-intro p,.site-shell[data-theme=dark] .overview-intro .breadcrumb{color:#f0edff}.site-shell[data-theme=dark] .overview-chapter-number,.site-shell[data-theme=dark] .nav-title,.site-shell[data-theme=dark] .progress-label,.site-shell[data-theme=dark] .breadcrumb,.site-shell[data-theme=dark] .field-label,.site-shell[data-theme=dark] .task-heading{color:#a89df3}.site-shell[data-theme=dark] .overview-module .overview-chapter-number{color:color-mix(in srgb,var(--module-accent) 68%,white)}.site-shell[data-theme=dark] .reader-nav{box-shadow:inset 5px 0 #6b56ff}.site-shell[data-theme=dark] .nav-chapter{border-left-color:#473a8f}.site-shell[data-theme=dark] .nav-unit h4{color:#c2bbd7}.site-shell[data-theme=dark] .module-jump{border-color:#473a8f;background:transparent;color:#e5e2fb;box-shadow:none}.site-shell[data-theme=dark] .module-jump:hover,.site-shell[data-theme=dark] .nav-module.active .module-jump,.site-shell[data-theme=dark] .nav-module.expanded .module-jump{border-color:#6b56ff;background:transparent;color:#a89df3}.site-shell[data-theme=dark] .nav-progress-count{background:transparent;color:#c2bbd7}.site-shell[data-theme=dark] .unit-jump{color:#e5e2fb}.site-shell[data-theme=dark] .chapter-jump:hover,.site-shell[data-theme=dark] .unit-jump:hover,.site-shell[data-theme=dark] .nav-unit.active .unit-jump,.site-shell[data-theme=dark] .nav-unit.expanded .unit-jump{color:#a89df3;border-color:#6b56ff;background:#362d5b}.site-shell[data-theme=dark] .module-jump:after,.site-shell[data-theme=dark] .chapter-jump:after,.site-shell[data-theme=dark] .unit-jump:after,.site-shell[data-theme=dark] .task-option-number{border-color:transparent;background:transparent;color:#a89df3}.site-shell[data-theme=dark] .module-jump.complete,.site-shell[data-theme=dark] .nav-module.active .module-jump.complete,.site-shell[data-theme=dark] .nav-module.expanded .module-jump.complete{border-color:#2f8b64;background:transparent;color:#7bd8a9}.site-shell[data-theme=dark] .chapter-jump.complete{color:#7bd8a9}.site-shell[data-theme=dark] .unit-jump.complete,.site-shell[data-theme=dark] .nav-unit.active .unit-jump.complete,.site-shell[data-theme=dark] .nav-unit.expanded .unit-jump.complete{border-color:#245d45;background:transparent;color:#7bd8a9}.site-shell[data-theme=dark] .module-jump.complete:after,.site-shell[data-theme=dark] .chapter-jump.complete:after,.site-shell[data-theme=dark] .unit-jump.complete:after{border-color:#2f8b64;background:#123323;color:#7bd8a9}.site-shell[data-theme=dark] .module-jump.complete .nav-progress-count,.site-shell[data-theme=dark] .chapter-jump.complete .nav-progress-count,.site-shell[data-theme=dark] .unit-jump.complete .nav-progress-count{background:#7bd8a924;color:#7bd8a9}.site-shell[data-theme=dark] .step-status.done{color:#7bd8a9}.site-shell[data-theme=dark] .step-link.done{border-color:#245d45;background:#133629;color:#7bd8a9}.site-shell[data-theme=dark] .progress-track{background:#473a8f}.site-shell[data-theme=dark] .progress-track span{background:#6b56ff}.site-shell[data-theme=dark] .progress-panel p{color:#c2bbd7}.site-shell[data-theme=dark] .overview-toggle-icon,.site-shell[data-theme=dark] .secondary-action{border-color:#5f5d56;background:transparent;color:#e7dfd3}.site-shell[data-theme=dark] .overview-chapter-title:hover{color:#a89df3}.site-shell[data-theme=dark] .overview-toggle-icon:hover,.site-shell[data-theme=dark] .secondary-action:hover{border-color:#88837a;background:#2a2d2b}.site-shell[data-theme=dark] .primary-action{background:#6b56ff;color:#fff}.site-shell[data-theme=dark] .primary-action:hover:not(:disabled){background:#7c69ff}.site-shell[data-theme=dark] .text-input,.site-shell[data-theme=dark] select,.site-shell[data-theme=dark] .overview-search-input{border-color:#5243b0;background:#231e20;color:#f9f8ff}.site-shell[data-theme=dark] .text-input::placeholder,.site-shell[data-theme=dark] .overview-search-input::placeholder{color:#a89df3}.site-shell[data-theme=dark] .success-note{background:#103b2b;color:#97f1c2}.site-shell[data-theme=dark] .error-note{background:#421a1c;color:#ffb4b4}.site-shell[data-theme=dark] .result-note{background:#102b45;color:#cde8ff}.site-shell[data-theme=dark] .feedback-detail{border-top-color:#ffb4b429}.site-shell[data-theme=dark] .feedback-detail-label{background:#ffb4b41f}.site-shell[data-theme=dark] .feedback-detail.correct{border-top-color:#7bd8a938;color:#7bd8a9}.site-shell[data-theme=dark] .feedback-detail.incorrect{border-top-color:#ffb4b42e;color:#ffb4b4}.site-shell[data-theme=dark] .feedback-detail.correct .feedback-detail-label{background:#7bd8a924}.site-shell[data-theme=dark] .feedback-detail.incorrect .feedback-detail-label{background:#ffb4b41f}.site-shell[data-theme=dark] .lesson-html pre,.site-shell[data-theme=dark] .result-box{border-color:#473a8f;background:#2a2437;color:#f0edff;box-shadow:none}.site-shell[data-theme=dark] .lesson-html .code-frame{border-color:#473a8f;background:#231e20;box-shadow:none}.site-shell[data-theme=dark] .lesson-html .code-toolbar{border-color:#473a8f;background:#362d5b}.site-shell[data-theme=dark] .lesson-html .code-language{color:#c2bbf7}.site-shell[data-theme=dark] .lesson-html .code-window-dots span{box-shadow:inset 0 0 0 1px #e2f1ff33}.site-shell[data-theme=dark] .lesson-html .code-window-dots span:nth-child(1){background:#77b7f2}.site-shell[data-theme=dark] .lesson-html .code-window-dots span:nth-child(2){background:#63d6b0}.site-shell[data-theme=dark] .lesson-html .code-window-dots span:nth-child(3){background:#f1c27d}.site-shell[data-theme=dark] .lesson-html .code-frame pre{background:#231e20}.site-shell[data-theme=dark] .lesson-html pre code,.site-shell[data-theme=dark] .lesson-html pre code.hljs,.site-shell[data-theme=dark] .programming-sample pre{background:transparent;color:#e8f4ff}.site-shell[data-theme=dark] .programming-sample pre{border-color:#473a8f;background:#2a2437}.site-shell[data-theme=dark] .lesson-html .hljs-keyword,.site-shell[data-theme=dark] .lesson-html .hljs-built_in{color:#93c5fd}.site-shell[data-theme=dark] .lesson-html .hljs-number,.site-shell[data-theme=dark] .lesson-html .hljs-literal{color:#fbbf24}.site-shell[data-theme=dark] .lesson-html .hljs-string,.site-shell[data-theme=dark] .lesson-html .hljs-title{color:#6ee7b7}.site-shell[data-theme=dark] .lesson-html .hljs-variable,.site-shell[data-theme=dark] .lesson-html .hljs-params,.site-shell[data-theme=dark] .lesson-html .hljs-attr,.site-shell[data-theme=dark] .lesson-html .hljs-attribute{color:#c4b5fd}.site-shell[data-theme=dark] .lesson-html .hljs-subst,.site-shell[data-theme=dark] .lesson-html .hljs-symbol,.site-shell[data-theme=dark] .lesson-html .hljs-meta{color:#f9a8d4}.site-shell[data-theme=dark] .lesson-html .hljs-comment{color:#8aa0b9}html[data-theme=dark] .load-state{background:#231e20;color:#f9f8ff}