@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";@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;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.38"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;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{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: #1a1f35;--bg-card-hover: #1e2440;--bg-surface: rgba(30, 41, 75, .5);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #6366f1;--accent-glow: rgba(99, 102, 241, .15);--border: rgba(99, 102, 241, .15);--border-strong: rgba(99, 102, 241, .3);--radius: 12px;--radius-sm: 8px;--sidebar-w: 280px;--sidebar-collapsed-w: 64px;--content-max: 820px;--page-gutter: clamp(24px, 4vw, 64px);--green: #22c55e;--red: #ef4444;--yellow: #f59e0b;--blue: #3b82f6}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}.app-layout{display:flex;min-height:100vh;overflow-x:clip}.main-content{min-width:0;padding:clamp(28px,4vw,40px) var(--page-gutter) 40px;padding-left:calc(var(--sidebar-w) + var(--page-gutter));max-width:calc(var(--content-max) + var(--sidebar-w) + var(--page-gutter));margin:0 auto;width:100%;transition:padding-left .3s ease,max-width .3s ease}.app-layout.sidebar-collapsed .main-content{padding-left:calc(var(--sidebar-collapsed-w) + var(--page-gutter));max-width:calc(var(--content-max) + var(--sidebar-collapsed-w) + var(--page-gutter))}.loading-screen,.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:20px;color:var(--text-secondary)}.loader{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border);overflow-y:auto;overflow-x:hidden;z-index:100;display:flex;flex-direction:column;transition:width .3s ease,transform .3s ease}.sidebar.collapsed{width:var(--sidebar-collapsed-w);overflow-x:hidden}.sidebar-header{padding:20px 44px 16px 16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:4px;position:relative}.sidebar.collapsed .sidebar-header{padding:16px 8px;align-items:center}.sidebar-search-wrap{padding:12px 12px 10px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.sidebar-search-label{font-size:.62rem;color:var(--text-secondary);font-weight:700;letter-spacing:.14em;text-transform:uppercase}.sidebar-search{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--border);background:#ffffff05;color:var(--text-primary);font:inherit;font-size:.82rem;outline:none;transition:border-color .2s ease,background .2s ease}.sidebar-search::placeholder{color:var(--text-muted)}.sidebar-search:focus{border-color:var(--border-strong);background:#ffffff0a}.sidebar-search-meta{font-size:.72rem;color:var(--text-muted)}.sidebar-title{font-size:1.05rem;font-weight:700;background:linear-gradient(135deg,#a5b4fc,#818cf8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;white-space:normal;overflow-wrap:anywhere;line-height:1.25;max-width:100%}.sidebar-subtitle{font-size:.7rem;color:var(--text-muted);margin-top:2px;text-transform:uppercase;letter-spacing:1.2px;white-space:normal;overflow-wrap:anywhere;line-height:1.4;max-width:100%}.collapse-btn{position:absolute;top:50%;right:12px;transform:translateY(-50%);background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);width:24px;height:24px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;transition:all .2s;line-height:1}.collapse-btn:hover{color:var(--text-primary);border-color:var(--border-strong)}.sidebar.collapsed .collapse-btn{position:static;transform:none;margin-top:4px}.sidebar-nav{padding:8px;flex:1;display:flex;flex-direction:column;gap:2px}.sidebar.collapsed .sidebar-nav{padding:6px;align-items:center}.nav-item-wrapper{display:flex;flex-direction:column}.sidebar-empty-state{margin:12px 6px 0;padding:14px 12px;border-radius:10px;border:1px dashed var(--border);background:#ffffff05}.sidebar-empty-title{font-size:.8rem;font-weight:600;color:var(--text-primary)}.sidebar-empty-copy{margin-top:6px;font-size:.75rem;line-height:1.5;color:var(--text-muted)}.sidebar-group-label{font-size:.65rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1.2px;padding:16px 12px 6px;white-space:nowrap}.sidebar-group-divider{width:24px;height:2px;background:var(--border);margin:16px auto 10px;border-radius:2px}.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border:none;background:transparent;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;text-align:left;transition:all .2s;width:100%;font-family:inherit}.nav-item:hover{background:var(--accent-glow);color:var(--text-primary)}.nav-item.active{background:var(--accent-glow);color:var(--text-primary);border-left:3px solid var(--nav-accent, var(--accent))}.sidebar.collapsed .nav-item{justify-content:center;padding:8px;border-left:none}.sidebar.collapsed .nav-item.active{border-left:none;border-radius:8px;outline:2px solid var(--nav-accent, var(--accent));outline-offset:-2px}.nav-icon{font-size:.65rem;font-weight:700;flex-shrink:0;width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;color:#fff;opacity:.85}.nav-text{display:flex;flex-direction:column;gap:1px;min-width:0}.nav-title{font-size:.8rem;font-weight:600;white-space:normal;overflow-wrap:anywhere;line-height:1.35}.sidebar-backdrop{display:none}.mobile-menu-btn{display:none;position:fixed;top:max(16px,env(safe-area-inset-top));left:max(16px,env(safe-area-inset-left));z-index:200;background:#111827db;border:1px solid var(--border);color:var(--text-primary);width:44px;height:44px;border-radius:var(--radius-sm);font-size:1.2rem;cursor:pointer;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 12px 32px #0000003d;transition:left .3s ease,transform .3s ease,opacity .2s ease}.mobile-menu-btn.open{left:calc(var(--sidebar-w) + 12px)}.chapter-header{display:flex;align-items:center;gap:20px;padding:clamp(22px,4vw,30px) 0 clamp(18px,3vw,24px);margin-bottom:0;border-bottom:1px solid var(--border)}.chapter-title{font-size:clamp(1.3rem,1.1rem + 1vw,1.9rem);font-weight:800;background:linear-gradient(135deg,var(--accent, #a5b4fc),#c7d2fe);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.chapter-subtitle{color:var(--text-secondary);font-size:clamp(.82rem,.78rem + .2vw,.95rem);margin-top:6px;max-width:62ch}.chapter-view,.chapter-content{display:grid;gap:0;min-width:0}.chapter-roadmap{gap:0}.chapter-roadmap .chapter-content{gap:30px}.chapter-roadmap .chapter-toc{margin-bottom:28px}.chapter-roadmap .content-section{margin-bottom:0}.chapter-toc{margin:16px 0 32px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;scroll-margin-top:18px}.toc-toggle{display:flex;align-items:center;gap:8px;width:100%;padding:12px 16px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;font-family:inherit;font-size:.8rem;font-weight:600;text-align:left;transition:color .2s}.toc-toggle:hover{color:var(--text-primary)}.toc-label{flex:1}.toc-count{font-size:.7rem;color:var(--text-muted);font-weight:500}.toc-chevron{font-size:.75rem;transition:transform .2s ease}.toc-chevron.open{transform:rotate(180deg)}.toc-list{display:flex;flex-direction:column;gap:2px;padding:0 16px 12px}.toc-search-wrap{padding:0 16px 12px}.toc-search{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#ffffff05;color:var(--text-primary);font:inherit;font-size:.8rem;outline:none;transition:border-color .2s ease,background .2s ease}.toc-search::placeholder{color:var(--text-muted)}.toc-search:focus{border-color:var(--border-strong);background:#ffffff0a}.toc-link{display:block;padding:5px 8px;font-size:.8rem;color:var(--text-muted);text-decoration:none;border-radius:4px;transition:all .15s ease;line-height:1.4}.toc-link:hover{color:var(--text-primary);background:var(--accent-glow)}.toc-link.active{color:var(--text-primary);background:#6366f12e;box-shadow:inset 2px 0 0 var(--accent)}.toc-empty-state{padding:8px;font-size:.78rem;color:var(--text-muted)}.content-section{margin-bottom:clamp(32px,5vw,44px);scroll-margin-top:24px;min-width:0}.section-heading{font-size:clamp(1rem,.94rem + .3vw,1.14rem);font-weight:700;color:var(--text-primary);margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid var(--border);letter-spacing:-.01em}.text-block{color:var(--text-secondary);margin-bottom:18px;font-size:clamp(.9rem,.88rem + .18vw,.96rem);line-height:1.85;letter-spacing:.005em}.text-block code{background:#6366f11f;color:#a5b4fc;padding:2px 6px;border-radius:4px;font-family:JetBrains Mono,monospace;font-size:.85em}.text-block strong{color:var(--text-primary);font-weight:600}.intro-section{padding:clamp(22px,3.5vw,28px);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:40px}.intro-body{color:var(--text-secondary);font-size:clamp(.95rem,.93rem + .2vw,1rem);line-height:1.9}.intro-body strong{color:var(--text-primary)}.equation-block{background:var(--bg-card);border:1px solid var(--border-strong);border-left:4px solid var(--accent);border-radius:var(--radius);padding:clamp(18px,3vw,24px);margin:20px 0;text-align:center}.equation-label{font-size:.8rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.equation-tex{overflow-x:auto;padding:8px 0}.equation-desc{font-size:.85rem;color:var(--text-secondary);margin-top:14px;text-align:left;line-height:1.7}.equation-desc strong{color:var(--text-primary)}.callout{display:grid;gap:6px;border-radius:var(--radius);padding:14px 16px 14px 18px;margin:16px 0;border:1px solid rgba(255,255,255,.06);border-left-width:3px}.callout.insight{background:#6366f10d;border-color:#6366f133}.callout.concept{background:#3b82f60d;border-color:#3b82f633}.callout.warning{background:#f59e0b0d;border-color:#f59e0b33}.callout.important{background:#ef44440d;border-color:#ef444433}.callout-title{display:flex;align-items:flex-start;gap:10px;font-weight:700;font-size:.88rem;color:var(--text-primary);line-height:1.35}.callout-icon{flex-shrink:0;width:20px;display:inline-flex;align-items:center;justify-content:center;font-size:.9rem;opacity:.88}.callout-title-text{min-width:0}.callout-content{color:var(--text-secondary);font-size:.86rem;line-height:1.62;padding-left:30px}.callout-content strong{color:var(--text-primary)}.callout-content code{background:#6366f11f;color:#a5b4fc;padding:2px 6px;border-radius:4px;font-family:JetBrains Mono,monospace;font-size:.85em}.comparison-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;margin:16px 0}.comparison-card{background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:14px 16px;transition:border-color .25s ease,background .25s ease}.comparison-card:hover{border-color:var(--accent);background:#6366f10a}.comparison-card h4{color:var(--text-primary);font-size:.92rem;line-height:1.35;margin-bottom:8px}.comparison-card .desc{color:var(--text-secondary);font-size:.82rem;margin-bottom:10px;line-height:1.55}.comparison-card .desc strong{color:var(--text-primary)}.pros-cons{display:flex;flex-direction:column;gap:4px}.pro,.con{font-size:.79rem;line-height:1.5;padding:2px 0}.pro:before{content:"✅ "}.con:before{content:"⚠️ "}.pro{color:var(--green)}.con{color:var(--yellow)}.steps-block{margin:20px 0}.steps-title{font-size:.9rem;font-weight:600;color:var(--text-primary);margin-bottom:14px}.step-item{display:grid;grid-template-columns:30px minmax(0,1fr);column-gap:14px;margin-bottom:14px;align-items:start}.step-num{width:30px;height:30px;background:var(--accent);color:#fff;font-weight:700;font-size:.85rem;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-top:.1rem}.step-text{color:var(--text-secondary);font-size:.9rem;line-height:1.7}.step-text strong{color:var(--text-primary)}.code-block{border-radius:10px;overflow:hidden;margin:20px 0;border:1px solid rgba(255,255,255,.08);background:#282c34;max-width:100%}.code-header{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 14px;background:#ffffff05;border-bottom:1px solid rgba(255,255,255,.08)}.code-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-width:0}.code-filename{font-family:JetBrains Mono,monospace;font-size:.76rem;color:#f1f5f9eb;font-weight:500}.code-lang{font-size:.72rem;color:#94a3b8e0;font-weight:500}.code-copy-btn{border:1px solid transparent;background:transparent;color:#94a3b8e0;border-radius:8px;padding:5px 8px;font:inherit;font-size:.7rem;font-weight:600;cursor:pointer;transition:all .2s ease}.code-copy-btn:hover{color:#f1f5f9f5;border-color:#ffffff14;background:#ffffff0a}.code-copy-btn.copied{color:#d1fae5;background:#22c55e24}.code-copy-btn.error{color:#fecaca;background:#ef444424}.code-editor .cm-editor{font-family:JetBrains Mono,monospace;background:transparent;max-width:100%}.code-editor .cm-scroller{overflow:auto;font-family:JetBrains Mono,monospace;max-width:100%}.code-editor .cm-gutterElement{font-size:.74rem;padding:0 10px 0 14px}.code-editor .cm-content,.code-editor .cm-line{font-family:JetBrains Mono,monospace;font-size:.82rem;line-height:1.7}.code-editor .cm-content{padding:clamp(16px,2.8vw,20px) 0}.code-editor .cm-line{padding:0 clamp(16px,2.8vw,20px)}.code-editor .cm-focused{outline:none}.code-editor .cm-selectionBackground,.code-editor .cm-editor ::selection{background:#6366f147!important}.definition-block{display:grid;grid-template-columns:minmax(0,150px) minmax(0,1fr);gap:12px 18px;align-items:start;background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:14px 16px;margin:14px 0}.definition-term{color:var(--accent);font-weight:700;font-size:.86rem;line-height:1.35;text-transform:uppercase;letter-spacing:.04em}.definition-text{color:var(--text-secondary);font-size:.87rem;line-height:1.62;min-width:0}.detail-list,.metric-list{margin:14px 0;display:flex;flex-direction:column;gap:8px}.detail-item,.metric-item{display:flex;flex-direction:column;gap:7px;align-items:flex-start;background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-sm);padding:12px 14px 13px}.detail-item{border-left:2px solid rgba(99,102,241,.16)}.metric-item{border-left:3px solid rgba(99,102,241,.3)}.detail-label,.metric-label{color:var(--accent);font-weight:700;font-size:.78rem;line-height:1.35;text-transform:uppercase;letter-spacing:.05em;display:inline-flex;align-items:center;min-height:1.35em}.detail-text,.metric-text{color:var(--text-secondary);font-size:.86rem;line-height:1.62;min-width:0}.detail-text strong,.metric-text strong{color:var(--text-primary)}.detail-text code,.metric-text code{background:#6366f11f;color:#a5b4fc;padding:2px 6px;border-radius:4px;font-family:JetBrains Mono,monospace;font-size:.85em}.runbook-block{display:grid;gap:10px;background:#ffffff04;border:1px solid rgba(255,255,255,.05);border-radius:var(--radius);padding:14px;margin:18px 0}.runbook-section{background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-sm);padding:12px 13px}.runbook-label{font-weight:700;font-size:.82rem;margin-bottom:7px;color:var(--text-primary)}.runbook-text{color:var(--text-secondary);font-size:.85rem;line-height:1.6}.runbook-fix-item{display:flex;gap:8px;font-size:.84rem;line-height:1.58;color:var(--text-secondary);margin:5px 0}.runbook-fix-num{color:var(--accent);font-weight:700}.case-study{display:grid;gap:10px;background:#ffffff04;border:1px solid rgba(255,255,255,.05);border-radius:var(--radius);padding:14px;margin:18px 0}.case-study-goal,.case-study-takeaway{margin-bottom:0;background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-sm);padding:12px 13px}.case-study .label{font-weight:700;font-size:.82rem;margin-bottom:7px;color:var(--text-primary)}.case-study .text{color:var(--text-secondary);font-size:.85rem;line-height:1.6}.case-study-pipeline{background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-sm);padding:8px 13px}.pipeline-stage{display:flex;gap:12px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:.82rem;line-height:1.5}.pipeline-stage:last-child{border-bottom:none}.pipeline-stage-name{color:var(--accent);font-weight:600;min-width:108px}.pipeline-stage-detail{color:var(--text-secondary)}.mermaid-block{background:var(--bg-card);border:1px solid var(--border-strong);border-radius:var(--radius);padding:20px;margin:24px 0;position:relative;max-width:100%}.mermaid-block.compact .mermaid-preview{max-height:220px;overflow:hidden;display:flex;justify-content:center;align-items:flex-start;position:relative;mask-image:linear-gradient(to bottom,black 60%,transparent 100%);-webkit-mask-image:linear-gradient(to bottom,black 60%,transparent 100%)}.mermaid-preview svg{max-width:100%;max-height:100%;height:auto;display:block;margin:0 auto}.mermaid-header{display:flex;align-items:center;justify-content:center;position:relative;margin-bottom:12px;min-height:24px}.mermaid-title{font-weight:600;font-size:.85rem;color:var(--text-primary);text-align:center;margin:0}.mermaid-expand-icon-btn{position:absolute;right:0;top:-4px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #0000001a}.mermaid-expand-icon-btn:hover{background:var(--bg-hover);color:var(--accent);border-color:var(--accent)}.mermaid-error{text-align:center;color:var(--text-muted)}.mermaid-error pre{background:var(--bg-primary);padding:16px;border-radius:var(--radius-sm);font-size:.8rem;overflow-x:auto;text-align:left;font-family:JetBrains Mono,monospace}.mermaid-modal-overlay{position:fixed;inset:0;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:40px;animation:fadeIn .2s ease}.mermaid-modal{background:var(--bg-secondary);border:1px solid var(--border-strong);border-radius:var(--radius);width:90vw;height:85vh;max-width:1600px;max-height:1200px;display:flex;flex-direction:column;overflow:hidden;animation:scaleIn .2s ease}.mermaid-modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--border)}.mermaid-modal-title{font-weight:600;font-size:.95rem;color:var(--text-primary)}.mermaid-modal-close{background:transparent;border:1px solid var(--border);color:var(--text-secondary);width:32px;height:32px;border-radius:6px;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all .2s}.mermaid-modal-close:hover{background:var(--accent-glow);border-color:var(--accent);color:var(--text-primary)}.mermaid-modal-body{padding:clamp(18px,4vw,32px);overflow:auto;display:block;text-align:center}.mermaid-modal-body svg{max-width:100%!important;max-height:100%!important;width:auto!important;height:auto!important;margin:0 auto;display:block}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.table-block{margin:24px 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);max-width:100%}.table-title{padding:14px 20px;font-weight:600;font-size:.9rem;color:var(--text-primary);background:var(--bg-card);border-bottom:1px solid var(--border)}.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}table{width:100%;min-width:620px;border-collapse:collapse}th,td{text-align:left;padding:12px 18px;font-size:.85rem;border-bottom:1px solid var(--border)}th{background:var(--bg-card);color:var(--text-primary);font-weight:600;text-transform:uppercase;font-size:.75rem;letter-spacing:.5px}td{color:var(--text-secondary);background:var(--bg-primary)}td strong{color:var(--text-primary)}td code{background:#6366f11f;color:#a5b4fc;padding:2px 4px;border-radius:3px;font-family:JetBrains Mono,monospace;font-size:.82em}tr:hover td{background:var(--bg-card)}.links-block{display:flex;flex-direction:column;gap:6px;margin:16px 0}.link-item{display:flex;align-items:center;gap:10px;padding:11px 14px;background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;transition:border-color .2s ease,background .2s ease,color .2s ease}.link-item:hover{border-color:var(--accent);background:#6366f10a;color:var(--text-primary)}.link-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.link-label{font-size:.84rem;line-height:1.4}.link-domain{font-size:.7rem;color:var(--text-muted);letter-spacing:.03em;text-transform:lowercase}.link-arrow{color:var(--accent);font-weight:600;font-size:.82rem;opacity:.82}.resource-block{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0}.resource-card{display:flex;flex-direction:column;gap:10px;background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-top:2px solid rgba(99,102,241,.36);border-radius:var(--radius-sm);text-decoration:none;transition:all .25s cubic-bezier(.4,0,.2,1);padding:12px 14px;min-height:0}.resource-card:hover{border-color:var(--accent);background:#6366f10a;box-shadow:0 6px 18px #0000001f}.resource-header{display:flex;align-items:flex-start;gap:9px}.resource-icon{width:24px;height:24px;flex-shrink:0;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;font-size:.82rem;color:var(--accent);background:#6366f11f;border:1px solid rgba(99,102,241,.16)}.resource-label{font-weight:700;font-size:.86rem;color:var(--text-primary);line-height:1.35}.resource-description{font-size:.79rem;color:var(--text-secondary);line-height:1.52;margin:0}.resource-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:2px}.resource-domain{font-size:.66rem;color:var(--text-muted);font-weight:600;letter-spacing:.04em;text-transform:lowercase}.resource-open{font-size:.68rem;color:var(--accent);font-weight:600;letter-spacing:.04em}.resource-open:after{content:" ↗"}.resource-card:hover .resource-open{color:#a5b4fc}.references-section{margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}.references-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;gap:12px}.references-title{font-size:.96rem;font-weight:700;color:var(--text-primary);margin:0}.references-count{font-size:.7rem;color:var(--text-muted);background:#ffffff08;padding:3px 10px;border-radius:20px;border:1px solid rgba(255,255,255,.06);font-weight:500}.references-grid-compact{display:grid;grid-template-columns:1fr 1fr;gap:6px}.ref-card{display:flex;align-items:flex-start;gap:9px;padding:9px 12px;background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-sm);text-decoration:none;transition:all .2s;overflow:hidden}.ref-card:hover{border-color:var(--accent);background:#6366f10a}.ref-card.no-link{opacity:.6;cursor:default}.ref-badge{flex-shrink:0;min-width:24px;height:24px;padding:0 6px;background:#6366f126;color:var(--accent);font-size:.68rem;font-weight:700;font-family:JetBrains Mono,monospace;border-radius:5px;display:flex;align-items:center;justify-content:center}.ref-card-text{flex:1;font-size:.75rem;color:var(--text-secondary);line-height:1.35;white-space:normal;overflow-wrap:anywhere}.ref-card:hover .ref-card-text{color:var(--text-primary)}.ref-card-arrow{flex-shrink:0;color:var(--text-muted);font-size:.76rem;transition:color .2s}.ref-card:hover .ref-card-arrow{color:var(--accent)}.refs-toggle-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:10px;padding:9px;background:transparent;border:1px dashed var(--border);border-radius:var(--radius-sm);color:var(--text-muted);font-family:inherit;font-size:.76rem;cursor:pointer;transition:all .2s}.refs-toggle-btn:hover{border-color:var(--accent);color:var(--accent);background:#6366f10d}.refs-toggle-icon{font-size:.65rem;transition:transform .3s}.refs-toggle-icon.expanded{transform:rotate(180deg)}.key-takeaway-section{background:linear-gradient(135deg,#6366f114,#a855f714);border:1px solid rgba(99,102,241,.25);border-radius:var(--radius);padding:20px 22px;margin:24px 0}.key-takeaway-title{font-size:1rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.key-takeaway-list{list-style:none;display:flex;flex-direction:column;gap:9px}.key-takeaway-list li{position:relative;padding-left:20px;font-size:.9rem;color:var(--text-secondary);line-height:1.6}.key-takeaway-list li:before{content:"▸";color:var(--accent);font-weight:700;position:absolute;left:0;top:1px}.key-takeaway-list li strong{color:var(--text-primary)}.hero-section{padding:40px 32px;background:linear-gradient(135deg,#6366f11a,#a855f70d);border:1px solid var(--border-strong);border-radius:var(--radius);margin-bottom:40px}.chapter-roadmap .hero-section{display:grid;justify-items:center;text-align:center;padding:clamp(28px,5vw,42px);margin-bottom:0;background:radial-gradient(circle at top left,rgba(99,102,241,.18),transparent 42%),linear-gradient(145deg,#6366f11c,#a855f70a);border-color:#818cf838}.hero-heading{font-size:1.6rem;font-weight:800;background:linear-gradient(135deg,#a5b4fc,#c084fc);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-subheading{color:var(--text-secondary);font-size:1rem;margin-top:8px}.hero-body{color:var(--text-secondary);font-size:.95rem;margin-top:16px;line-height:1.8}.hero-body strong{color:var(--text-primary)}.chapter-roadmap .hero-heading{width:100%;max-width:24ch;font-size:clamp(1.55rem,1.28rem + 1.15vw,2.15rem);line-height:1.08;letter-spacing:-.03em}.chapter-roadmap .hero-subheading{width:100%;font-size:clamp(.92rem,.86rem + .32vw,1.05rem);margin-top:10px;max-width:48ch}.chapter-roadmap .hero-body{width:100%;max-width:68ch;margin-top:14px;font-size:clamp(.9rem,.88rem + .18vw,.98rem);line-height:1.72}.roadmap-section{display:grid;gap:14px;padding-top:6px}.roadmap-section+.roadmap-section{padding-top:18px;border-top:1px solid rgba(255,255,255,.06)}.roadmap-section-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.roadmap-section-heading.section-heading{margin-bottom:0;padding-bottom:0;border-bottom:0;font-size:clamp(1.02rem,.97rem + .28vw,1.18rem)}.roadmap-section-count{flex-shrink:0;font-size:.68rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);padding:4px 9px;border-radius:999px;border:1px solid rgba(255,255,255,.06);background:#ffffff05}.roadmap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;margin-bottom:0}.roadmap-item{display:flex;flex-direction:column;gap:9px;padding:15px 16px 14px;background:linear-gradient(180deg,#ffffff07,#ffffff04);border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-sm);text-decoration:none;transition:border-color .22s ease,background .22s ease,box-shadow .22s ease}.roadmap-item.interactive:hover{background:linear-gradient(180deg,#6366f112,#6366f108);border-color:var(--accent);box-shadow:0 4px 12px #00000014}.roadmap-header{display:flex;align-items:flex-start;gap:10px}.roadmap-num{background:#6366f11f;color:#c7d2fe;font-weight:700;width:24px;height:24px;flex-shrink:0;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.72rem;border:1px solid rgba(129,140,248,.16)}.roadmap-label{flex:1;font-size:.9rem;font-weight:600;color:var(--text-primary);line-height:1.35}.roadmap-tag{font-size:.61rem;padding:3px 7px;border-radius:20px;background:#ffffff0a;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px;border:1px solid rgba(255,255,255,.05)}.roadmap-desc{font-size:.79rem;color:var(--text-secondary);line-height:1.56;margin-top:0;padding-left:34px}@media(max-width:1200px){:root{--sidebar-w: 272px;--page-gutter: clamp(22px, 3vw, 40px)}.main-content{max-width:calc(var(--content-max) + var(--sidebar-w) + var(--page-gutter))}.references-grid-compact,.resource-block{grid-template-columns:1fr}}@media(max-width:1024px){:root{--sidebar-w: 288px;--page-gutter: 30px}.chapter-toc{margin:14px 0 26px}.comparison-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.chapter-roadmap .chapter-content{gap:26px}.chapter-roadmap .hero-heading{max-width:22ch}.mermaid-modal{width:min(94vw,1200px);height:min(82vh,960px)}}@media(max-width:900px){:root{--sidebar-w: min(360px, 84vw)}.mobile-menu-btn{display:flex;align-items:center;justify-content:center}.mobile-menu-btn.open{left:min(calc(var(--sidebar-w) - 56px),calc(100vw - 60px))}.sidebar-backdrop{position:fixed;inset:0;border:0;padding:0;margin:0;background:#03071280;opacity:0;pointer-events:none;z-index:95;transition:opacity .25s ease}.sidebar-backdrop.visible{display:block;opacity:1;pointer-events:auto}.sidebar{transform:translate(-100%);box-shadow:18px 0 48px #00000059}.sidebar-header{padding:18px 72px 14px 18px}.sidebar-search-wrap{padding:12px 14px 10px}.sidebar-search{font-size:.78rem}.sidebar-title{font-size:.96rem}.sidebar-subtitle{font-size:.64rem;letter-spacing:.9px}.sidebar-group-label{font-size:.6rem}.nav-title{font-size:.76rem}.sidebar.open{transform:translate(0)}.main-content{padding:88px 20px 56px!important;max-width:100%!important}.sidebar.collapsed{width:var(--sidebar-w);transform:translate(-100%)}.collapse-btn{display:none}.chapter-title{font-size:1.25rem}.chapter-subtitle{font-size:.84rem}.comparison-grid{grid-template-columns:1fr}.hero-heading{font-size:1.4rem}.chapter-roadmap .hero-section{padding:24px 22px}.roadmap-section{gap:12px}.roadmap-section+.roadmap-section{padding-top:16px}.roadmap-section-header{align-items:flex-start;flex-direction:column}.roadmap-section-count{padding:3px 8px}.roadmap-desc{padding-left:0}.chapter-header{padding-top:8px}.toc-search-wrap{padding:0 14px 12px}.intro-section,.equation-block,.callout,.definition-block{border-radius:10px}.definition-block{grid-template-columns:1fr;gap:8px}.callout-content{padding-left:0}.step-item{gap:12px}.step-num{width:28px;height:28px;font-size:.8rem}.code-header{padding:10px 14px}.code-copy-btn{padding:5px 7px;font-size:.68rem}.code-filename,.code-lang{font-size:.72rem}.code-editor .cm-gutterElement{font-size:.68rem;padding:0 8px 0 12px}.code-editor .cm-content,.code-editor .cm-line{font-size:.78rem}.table-title{padding:12px 16px}th,td{padding:11px 14px;font-size:.8rem}.references-header{align-items:flex-start;flex-direction:column}.references-grid-compact{grid-template-columns:1fr}.resource-card{padding:13px 14px 12px}.chapter-toc{margin:0 0 24px!important}.mermaid-modal-overlay{padding:16px}.mermaid-modal{width:100%;height:min(80vh,720px)}.mermaid-modal-header{padding:14px 16px}.footer-content,.footer-meta{align-items:flex-start;justify-content:flex-start}}@media(max-width:640px){:root{--sidebar-w: min(332px, 88vw);--page-gutter: 18px}.main-content{padding:88px 18px 52px!important}.sidebar-header{padding:16px 68px 12px 16px}.sidebar-search-wrap{padding:10px 12px}.sidebar-title{font-size:.92rem}.sidebar-subtitle{font-size:.6rem}.nav-title{font-size:.74rem;line-height:1.3}.sidebar-search,.toc-search{font-size:.76rem}.chapter-header{gap:14px;padding-bottom:18px}.chapter-roadmap .chapter-content{gap:22px}.chapter-roadmap .hero-section{padding:22px 18px}.chapter-roadmap .hero-heading{max-width:100%;font-size:clamp(1.45rem,1.16rem + 1.2vw,1.88rem);line-height:1.1}.roadmap-grid{grid-template-columns:1fr}.roadmap-item{padding:14px}.section-heading{margin-bottom:14px;padding-bottom:8px}.text-block,.callout-content,.detail-text,.metric-text,.definition-text,.step-text{line-height:1.72}.intro-section{margin-bottom:32px}.toc-toggle{padding:11px 14px}.toc-list{padding:0 12px 12px}.ref-card{padding:10px 12px}.ref-card-text{white-space:normal;line-height:1.4}.footer-copy{max-width:100%}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.citation-link{color:var(--accent);text-decoration:none;transition:all .2s;cursor:pointer;position:relative}.citation-link sup{font-size:.7em;font-weight:600;font-family:JetBrains Mono,monospace;padding:0 1px}.citation-link:hover{color:#a5b4fc;text-shadow:0 0 8px rgba(99,102,241,.5)}.citation-no-link{color:var(--text-muted);font-size:.7em;font-family:JetBrains Mono,monospace}.text-link{color:var(--accent);text-decoration:none;font-weight:500;border-bottom:1px solid transparent;transition:all .2s}.text-link:hover{border-bottom-color:var(--accent);color:#a5b4fc}.site-footer{margin-top:56px;padding:22px 0 6px;border-top:1px solid rgba(255,255,255,.08);color:var(--text-muted);line-height:1.6;opacity:.78;transition:opacity .2s ease}.site-footer:hover{opacity:.92}.footer-content{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-copy{display:flex;flex-direction:column;gap:6px;max-width:480px}.footer-label{font-size:.62rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-secondary)}.footer-note{font-size:.82rem;color:var(--text-muted)}.footer-note strong{color:var(--text-primary);font-weight:600}.footer-meta{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:18px}.footer-tech-line{font-size:.74rem;color:var(--text-muted);line-height:1.2}.footer-tech-link{color:var(--text-primary);text-decoration:none;font-size:.75rem;font-weight:600;line-height:1.2;opacity:.78;transition:color .2s ease,opacity .2s ease}.footer-tech-link:hover{color:var(--text-primary);opacity:1}.footer-socials{display:flex;align-items:center;gap:12px}.footer-socials a{color:var(--text-secondary);transition:all .2s ease;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;border:1px solid var(--border);background:#ffffff05}.footer-socials a:hover{color:var(--text-primary);border-color:var(--border-strong);background:var(--accent-glow);transform:translateY(-2px)}
