@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,math,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:"0.19.1"}.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>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;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 .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;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 .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{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 .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{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 .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .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 .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 .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{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>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.lesson-body{display:block}.lesson-section{margin:0 0 56px}.lesson-section .section-head{margin-bottom:18px}.lesson-section .section-head h2{margin:8px 0 0}.lesson-section.subsection{margin:32px 0 0}.lesson-section.subsection h3{font-size:21px;margin:0 0 12px}.lesson-section.role-introduction .section-head h2{font-size:26px}.block{margin:0 0 22px}.block p{margin:0}.block-paragraph p,.block-list li{font-size:17px;line-height:1.85;color:var(--text-muted, #5a5a5a)}.block-list ul,.block-list ol{margin:0;padding-left:22px}.block-list li+li{margin-top:6px}.block-label{display:inline-block;margin-bottom:8px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#8b8b8b}.origin-tag{display:inline-flex;align-items:center;gap:4px;margin-right:8px;padding:1px 7px;vertical-align:2px;border:1px solid #d5d5d5;border-radius:999px;font-size:11px;letter-spacing:.02em;color:#7d7d7d;white-space:nowrap}.cite-chip{display:inline-flex;align-items:center;gap:5px;margin-top:8px;padding:3px 9px;border:1px solid #dcdcdc;border-radius:999px;background:transparent;color:#7f7f7f;font:inherit;font-size:12px;cursor:pointer}.cite-chip:hover{border-color:#9a9a9a;color:#4f4f4f}.cite-chip:focus-visible,.source-panel :focus-visible{outline:2px solid currentColor;outline-offset:2px}.section-head .cite-chip{margin-top:10px}.analogy-section .block-paragraph p{font-family:Georgia,Times New Roman,serif;font-style:italic;font-size:19px}.example-body>div{flex:1}.takeaways.key-points{margin-top:0}.block-math{margin:0 0 26px;padding:18px 20px;border:1px solid #e3e3e3;border-radius:10px;overflow-x:auto}.block-math figcaption,.block-code figcaption,.block-figure figcaption{margin-top:10px;font-size:13px;color:#8b8b8b;line-height:1.6}.block-code{margin:0 0 26px;border:1px solid #e3e3e3;border-radius:10px;overflow:hidden}.block-code .code-top{padding:8px 14px;border-bottom:1px solid #e3e3e3;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#8b8b8b}.block-code pre{margin:0;padding:14px 16px;overflow-x:auto;font-size:14px;line-height:1.6}.block-code figcaption{padding:0 14px 12px}.table-scroll{overflow-x:auto;border:1px solid #e3e3e3;border-radius:10px}.block-table table{width:100%;border-collapse:collapse;font-size:15px}.block-table caption{caption-side:top;text-align:left;padding:12px 14px;font-size:13px;color:#7f7f7f}.block-table th,.block-table td{padding:10px 14px;border-top:1px solid #e9e9e9;text-align:left;vertical-align:top;line-height:1.6}.block-table thead th{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:#6f6f6f}.block-table .numeric{text-align:right;font-variant-numeric:tabular-nums}.block-figure img{display:block;max-width:100%;height:auto;border:1px solid #e3e3e3;border-radius:10px}.block-group .group-title{margin:0 0 12px;font-size:16px}.group-comparison .group-children{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.group-comparison .group-children>.block{margin:0;padding:16px 18px;border:1px solid #e3e3e3;border-radius:10px}.group-sequence .group-children{counter-reset:step}.group-sequence .group-children>.block{position:relative;padding-left:34px}.group-sequence .group-children>.block:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;border:1px solid #cfcfcf;font-size:12px;text-align:center;line-height:21px;color:#7f7f7f}.source-scrim{position:fixed;inset:0;background:#0000002e;z-index:60}.source-panel{position:fixed;top:0;right:0;bottom:0;width:min(440px,100vw);z-index:61;display:flex;flex-direction:column;background:var(--surface, #fafafa);border-left:1px solid #e3e3e3;box-shadow:-12px 0 32px #00000014;outline:none}.source-panel-top{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #e3e3e3}.source-panel-body{overflow-y:auto;padding:18px}.evidence{padding:16px;border:1px solid #e3e3e3;border-radius:10px}.evidence+.evidence{margin-top:14px}.evidence header{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px}.evidence header svg{margin-top:3px;flex-shrink:0;color:#8b8b8b}.evidence header strong{display:block;font-size:15px}.evidence header span{font-size:13px;color:#8b8b8b}.evidence-elements{list-style:none;margin:0;padding:0}.evidence-elements li{padding:7px 10px;border-radius:6px;font-size:14px;line-height:1.6;color:#6a6a6a}.evidence-elements li.element-heading{font-weight:600;color:#4a4a4a}.evidence-elements li.cited{background:#ececec;color:#2f2f2f;box-shadow:inset 3px 0 #8a8a8a}.evidence-elements small{color:#9a9a9a}.evidence-missing{font-size:14px;color:#8b8b8b}.evidence-open{display:inline-flex;align-items:center;gap:5px;margin-top:12px;font-size:13px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[data-theme=dark] .cite-chip,[data-theme=dark] .origin-tag{border-color:#3a3a3a;color:#a0a0a0}[data-theme=dark] .block-math,[data-theme=dark] .block-code,[data-theme=dark] .table-scroll,[data-theme=dark] .evidence,[data-theme=dark] .group-comparison .group-children>.block{border-color:#2c2c2c}[data-theme=dark] .source-panel{background:#111;border-color:#2c2c2c}[data-theme=dark] .evidence-elements li{color:#a8a8a8}[data-theme=dark] .evidence-elements li.cited{background:#222;color:#eaeaea;box-shadow:inset 3px 0 #8a8a8a}[data-theme=dark] .block-paragraph p,[data-theme=dark] .block-list li{color:#b5b5b5}@media(prefers-reduced-motion:reduce){.source-panel{transition:none}}.topic-nav a,.topic-pending{display:flex;align-items:center;gap:8px}.topic-pending{color:#a3a3a3;cursor:default}.topic-pending small{margin-left:auto;font-size:10px;letter-spacing:.06em;text-transform:uppercase}.lesson-row-pending{opacity:.55;cursor:default}.lesson-loading{padding:80px 40px;color:#8b8b8b}.reader-hero{grid-template-columns:1fr;min-height:0;padding-bottom:32px}.reader-hero h1{font-size:clamp(40px,6vw,72px)}a.chapter-card,a.lesson-row,a.chapter-nav-item,.topic-nav a,.topic-pagination a{color:inherit;text-decoration:none}.topic-pagination a:last-child strong{justify-content:flex-end}.topic-pending{padding:7px 2px;font-size:12px}.topic-toolbar{min-height:0}.topic-toolbar .cite-chip{margin:0}.practice-link{display:flex;flex-direction:column;gap:6px;margin:0 0 28px;padding:18px 20px;border:1px solid #dcdcdc;border-radius:10px;color:inherit;text-decoration:none}.practice-link strong{display:inline-flex;align-items:center;gap:8px;font-size:17px}.practice-link:hover{border-color:#9a9a9a}[data-theme=dark] .practice-link{border-color:#2c2c2c}.topic-main>.lesson-body{margin-top:36px}.lab-note{padding:0 22px 16px;font-size:11px;color:#9a9a9a}.agent-note{display:flex;align-items:center;gap:6px;margin:8px 0 28px;font-size:13px;color:#666}[data-theme=dark] .agent-note{color:#a5a5a5}.search-results a.active,.search-results a:hover{background:#ececec}.search-results a{display:block;padding:10px 14px;border-radius:8px;color:inherit;text-decoration:none}.search-results a strong{display:block;font-size:14px}.search-results a strong span{font-weight:500;color:#666}.search-results a small{display:block;margin-top:3px;font-size:13px;color:#555;line-height:1.5}[data-theme=dark] .search-results a.active,[data-theme=dark] .search-results a:hover{background:#262626}[data-theme=dark] .search-results a small,[data-theme=dark] .search-results a strong span{color:#b0b0b0}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px 16px;background:var(--paper, #f8f8f8)}.auth-card{width:min(420px,100%);display:flex;flex-direction:column;gap:16px;padding:32px 28px;border:1px solid #e0e0e0;border-radius:12px;background:#fcfcfc}.auth-card.wide{width:min(560px,100%)}.auth-card h1{font-size:30px;letter-spacing:-1px;margin-top:8px}.auth-card p{color:#555}.field{display:flex;flex-direction:column;gap:6px;font-size:14px}.field>span,.field>legend{font-weight:600;color:#444}.field input,.field select,.field textarea{font:inherit;font-size:15px;padding:10px 12px;border:1px solid #c8c8c8;border-radius:7px;background:#fff;color:inherit;min-width:0}.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:2px solid #555;outline-offset:1px}.field small{color:#666}.field.checks{border:0;padding:0;margin:0}.check{display:inline-flex;align-items:center;gap:8px;font-size:14px}.form-error{color:#9b1c1c;font-size:14px}.form-note{color:#2f5d34;font-size:14px}.text-button{border:0;background:none;padding:0;color:#555;text-decoration:underline;text-underline-offset:3px;cursor:pointer;align-self:flex-start}.class-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.class-list a{display:block;padding:14px 16px;border:1px solid #dcdcdc;border-radius:9px;font-weight:600}.class-list a:hover{border-color:#999}.row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.plain-page{min-height:100vh;background:var(--paper, #f8f8f8)}.plain-top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 24px;border-bottom:1px solid #e0e0e0}.plain-main{width:min(980px,100%);margin:0 auto;padding:28px 16px 64px}.plain-main h1{font-size:34px;letter-spacing:-1px;margin:12px 0 6px}.muted{color:#666}.panel{margin:28px 0;padding:20px 22px;border:1px solid #e0e0e0;border-radius:12px;background:#fcfcfc}.panel h2{display:flex;align-items:center;gap:8px;font-size:20px;margin:0 0 8px}.inline-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px;margin:14px 0}.inline-form .field{flex:1 1 180px}.inline-form .field.wide{flex-basis:100%}.callout{margin:14px 0;padding:14px 16px;border-radius:9px;background:#efefef;display:grid;gap:10px}.copy-box{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap}.copy-box code{flex:1 1 260px;white-space:pre-wrap;word-break:break-all;font-size:13px;padding:10px;background:#fff;border:1px solid #ddd;border-radius:6px}.data-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}.data-table th,.data-table td{text-align:left;padding:10px 8px;border-top:1px solid #e3e3e3;vertical-align:top}.data-table thead th{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:#555}.data-table tr.inactive td{color:#777}.data-table a{text-decoration:underline;text-underline-offset:3px}.pill{display:inline-block;margin-left:8px;padding:1px 8px;border:1px solid #c8c8c8;border-radius:999px;font-size:11px;color:#555}.state{display:inline-block;padding:1px 8px;border-radius:999px;font-size:12px;background:#ececec;color:#444}.state-approved{background:#e3f0e4;color:#2f5d34}.state-failed,.state-rejected{background:#f6e3e3;color:#8a2222}.state-extracting{background:#eef0f6;color:#34416b}.events{margin:0;padding-left:18px;line-height:1.9;font-size:14px}.account-menu{position:relative}.account-name{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-popover{position:absolute;right:0;top:calc(100% + 6px);z-index:50;min-width:190px;padding:6px;display:grid;border:1px solid #ddd;border-radius:9px;background:#fff;box-shadow:0 10px 28px #0000001a}.account-popover>*{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:6px;font-size:14px;text-align:left}.account-popover>*:hover{background:#f0f0f0}[data-theme=dark] :is(.auth-page,.plain-page){background:#0a0a0a}[data-theme=dark] :is(.auth-card,.panel,.account-popover){background:#141414;border-color:#2c2c2c}[data-theme=dark] :is(.field input,.field select,.field textarea,.copy-box code){background:#0f0f0f;border-color:#3a3a3a}[data-theme=dark] :is(.muted,.field small,.auth-card p,.text-button){color:#a5a5a5}[data-theme=dark] .field>span,[data-theme=dark] .field>legend{color:#d0d0d0}[data-theme=dark] :is(.data-table th,.data-table td,.plain-top){border-color:#2c2c2c}[data-theme=dark] .callout{background:#1d1d1d}[data-theme=dark] .account-popover>*:hover{background:#222}[data-theme=dark] .state{background:#242424;color:#cfcfcf}[data-theme=dark] .form-error{color:#f1a3a3}[data-theme=dark] .form-note{color:#9fd3a6}:root:not([data-theme=dark]) .account-menu>.button{color:#444}[data-theme=dark] .account-menu>.button{color:#d0d0d0}@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-outline-style:solid}}}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/assets/dm-sans-latin-ext-wght-normal-BOFOeGcA.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/assets/dm-sans-latin-wght-normal-Xz1IZZA0.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(data:font/woff2;base64,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)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-cyrillic-wght-normal-Dvxsihut.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-greek-wght-normal-DL7QRZyv.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-vietnamese-wght-normal-usUDDRr7.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-latin-ext-wght-normal-Ch3YOpNY.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-latin-wght-normal-DHIcAJRg.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.fixed{position:fixed}.relative{position:relative}.static{position:static}.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.block{display:block}.hidden{display:none}.inline{display:inline}.list-item{display:list-item}.table{display:table}.grow{flex-grow:1}.rounded{border-radius:.25rem}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{color:#353535;font-synthesis:none;--paper:#f8f8f8;--ink:#353535;--green:#4e4e4e;--muted:#797979;--border:#e2e2e2;--sage:#e9e9e9;--blue:#ebebeb;--peach:#e9e9e9;--yellow:#ececec;--rose:#e3e3e3;--lavender:#e6e6e6;font-optical-sizing:auto;scroll-behavior:smooth;background:#f8f8f8;font-family:DM Sans Variable,sans-serif;font-weight:400}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{cursor:default}a{color:inherit;text-decoration:none}button{background:0 0;border:0}button:focus-visible,a:focus-visible,input:focus-visible{outline-offset:4px;outline:2px solid #7b7b7b}button,a{transition:background .2s,color .2s,border-color .2s,transform .2s}button svg,a svg{flex-shrink:0}h1,h2,h3,h4,p{margin:0}h1,h2,h3{font-family:Manrope Variable,sans-serif}h1{letter-spacing:-2.6px;font-size:clamp(36px,3.6vw,57px);font-weight:600;line-height:1.13}h2{letter-spacing:-1px;font-weight:600;line-height:1.25}h3{letter-spacing:-.35px;font-weight:650}.eyebrow{letter-spacing:1.5px;font-size:12px;font-weight:650;line-height:1.7;display:inline-block}.serif-dot{color:#878787;font-family:Georgia,serif;font-style:italic}p{line-height:1.75}svg{vertical-align:middle}.button{white-space:nowrap;border-radius:7px;justify-content:center;align-items:center;gap:10px;padding:13px 20px;font-size:15px;font-weight:500;line-height:1.4;display:inline-flex}.button-primary{color:#f5f5f5;background:#4e4e4e;border:1px solid #4e4e4e}.button-primary:hover{background:#3d3d3d;transform:translateY(-1px)}.button-outline{background:0 0;border:1px solid #d0d0d0}.button-outline:hover{background:#ededed}.button-ghost{background:0 0}.button-ghost:hover{background:#eaeaea}.button-sm{padding:9px 12px;font-size:14px}.button-icon{width:35px;height:35px;padding:8px}.skip-link{background:var(--green);color:var(--paper);z-index:100;padding:12px;position:fixed;top:-80px;left:20px}.skip-link:focus{top:15px}.sidebar{z-index:30;scrollbar-width:thin;background:#f1f1f1;border-right:1px solid #dedede;flex-direction:column;width:242px;padding:32px 22px 0;display:flex;position:fixed;inset:0 auto 0 0;overflow:auto}.brand{letter-spacing:-1.4px;align-items:center;gap:8px;padding:0;font-family:Manrope Variable,sans-serif;font-size:26px;font-weight:750;display:flex}.brand-mark{color:#f3f3f3;background:#4e4e4e;border-radius:7px;justify-content:center;align-items:center;width:31px;height:31px;margin-right:2px;display:inline-flex}.brand-period{color:#929292;margin-left:-8px}.sidebar-course{margin:40px 0 22px}.sidebar-course>.eyebrow{letter-spacing:1.3px;color:#818181;font-size:10px}.sidebar-course h2{letter-spacing:-.8px;margin-top:10px;font-size:25px;font-weight:600;line-height:1.35}.course-code{letter-spacing:.5px;align-items:center;gap:12px;margin-top:13px;font-size:12px;font-weight:600;display:flex}.course-code span{color:gray;letter-spacing:0;border:1px solid #d9d9d9;border-radius:4px;padding:2px 7px;font-weight:400}.search-button{color:#818181;background:#f8f8f8;border:1px solid #dcdcdc;border-radius:6px;align-items:center;gap:8px;width:100%;margin-bottom:22px;padding:10px 9px;font-size:13px;display:flex}.search-button kbd{background:#efefef;border-radius:3px;margin-left:auto;padding:2px 4px;font-family:inherit;font-size:11px}.nav-item{text-align:left;border-radius:5px;align-items:center;gap:10px;width:100%;margin:2px 0;padding:11px 10px;font-size:14px;display:flex}.nav-item.selected{color:#555;background:#e5e5e5;font-weight:600}.nav-item:hover{background:#e8e8e8}.nav-dot{background:#8f8f8f;border-radius:50%;width:5px;height:5px;margin-left:auto}.sidebar-label{letter-spacing:1.2px;color:#8a8a8a;justify-content:space-between;margin:30px 8px 12px;font-size:10px;font-weight:600;display:flex}.sidebar-label span{letter-spacing:0;color:#9e9e9e;font-size:10px}.chapter-nav-item{text-align:left;border-radius:5px;align-items:center;gap:9px;width:100%;min-height:45px;padding:5px 4px;font-size:13px;line-height:1.4;display:flex}.chapter-nav-item>svg{color:#909090;min-width:14px;margin-left:auto}.chapter-nav-item:hover,.chapter-nav-item.current{background:#e8e8e8}.chapter-nav-number{border:1px solid #d9d9d9;border-radius:5px;flex-shrink:0;place-items:center;width:25px;height:25px;font-size:11px;display:grid}.sage{background:var(--sage)}.blue{background:var(--blue)}.peach{background:var(--peach)}.yellow{background:var(--yellow)}.rose{background:var(--rose)}.lavender{background:var(--lavender)}.topic-nav{border-left:1px solid #d1d1d1;margin:4px 0 10px 16px;padding-left:13px}.topic-nav :is(button,a){text-align:left;color:#7d7d7d;align-items:baseline;gap:6px;width:100%;padding:7px 2px;font-size:12px;line-height:1.5;display:flex}.topic-nav :is(button,a).active{color:#4e4e4e;font-weight:650}.topic-dot{background:#b7b7b7;border-radius:50%;flex-shrink:0;width:3px;height:3px;position:relative;top:-2px}.topic-nav :is(button,a):hover{color:#434343}.saved-nav{margin-top:24px;padding-bottom:13px}.count{text-align:center;background:#e7e7e7;border-radius:4px;min-width:19px;margin-left:auto;padding:2px 5px;font-size:11px}.sidebar-bottom{margin-top:auto;padding:30px 2px 0}.progress-label{justify-content:space-between;font-size:12px;display:flex}.progress-label strong{color:#7b7b7b;font-weight:500}.progress-track{background:#dfdfdf;border-radius:4px;height:4px;margin-top:9px;overflow:hidden}.progress-track i{background:#8d8d8d;height:100%;transition:width .4s;display:block}.sidebar-bottom>p{color:#919191;margin-top:7px;font-size:11px}.sidebar-footer{color:#9b9b9b;white-space:nowrap;border-top:1px solid #dfdfdf;align-items:center;gap:8px;margin-top:22px;padding:17px 0;font-size:11px;display:flex}.little-sun{color:#898989;font-size:21px}.app-shell{margin-left:242px}.topbar{border-bottom:1px solid #e6e6e6;justify-content:space-between;align-items:center;height:74px;padding:0 42px;display:flex}.breadcrumbs{align-items:center;gap:13px;font-size:12px;display:flex}.breadcrumbs>span:first-child{letter-spacing:1.5px;color:#959595;font-size:10px}.breadcrumbs>svg{color:#aeaeae}.topbar-right{color:#848484;align-items:center;gap:7px;font-size:11px;display:flex}.topbar-right>.button{margin-left:15px}.availability-dot{background:#9d9d9d;border-radius:50%;width:5px;height:5px}.home{max-width:1400px;margin:auto;padding:0 44px}.hero{grid-template-columns:1.12fr 1fr;align-items:center;gap:20px;padding:66px 0 55px;display:grid}.edition{letter-spacing:1.55px;color:#787878;align-items:center;gap:9px;font-size:10px;font-weight:600;display:flex}.edition-line{background:#929292;width:23px;height:1px}.hero h1{letter-spacing:-2.5px;white-space:nowrap;margin-top:23px;font-size:clamp(36px,3.7vw,59px);line-height:1.2}.hero h1>span:first-child{flex-wrap:wrap;line-height:1.2;display:flex}.serif-line{color:#838383;letter-spacing:-2.6px;font-family:Georgia,Times New Roman,serif;font-style:italic;font-weight:400}.hero-copy>p{color:#858585;max-width:395px;margin-top:23px;font-size:15px;line-height:1.85}.hero-actions{align-items:center;gap:22px;margin-top:28px;display:flex}.text-link{color:#757575;align-items:center;gap:5px;font-size:12px;display:inline-flex}.hero-note{color:#909090;align-items:center;gap:7px;margin-top:23px;font-size:11px;display:flex}.hero-illustration{isolation:isolate;background-image:radial-gradient(#d1d1d1 1px,#0000 1px);background-position:50%;background-size:18px 18px;height:340px;position:relative;-webkit-mask-image:radial-gradient(#000 50%,#0000 90%);mask-image:radial-gradient(#000 50%,#0000 90%)}.ill-stack{width:175px;height:160px;position:absolute;top:49%;left:50%;transform:translate(-50%,-50%)rotate(-8deg)}.stack-layer{border:1px solid #8a8a8a;border-radius:13px;width:164px;height:150px;position:absolute}.layer-back{background:#dbdbdb;border-color:#a4a4a4;transform:translate(18px,-17px)}.layer-mid{background:#c7c7c7;transform:translate(9px,-8px)}.layer-front{background:#eaeaea;padding:20px 24px;box-shadow:0 14px 25px #61616112}.layer-front>span{color:#616161;letter-spacing:5px;font-family:Georgia,serif;font-size:39px;line-height:1.3}.layer-front small{letter-spacing:1.25px;color:#7d7d7d;margin:9px 0 13px;font-size:8px;font-weight:600;display:block}.stack-lines{gap:4px;display:flex}.stack-lines i{background:#c1c1c1;border-radius:3px;width:35px;height:4px;display:block}.stack-lines i:nth-child(2){width:20px}.stack-lines i:nth-child(3){width:12px}.ill-note{z-index:2;background:#f8f8f8;border:1px solid #dadada;border-radius:7px;padding:14px 18px;font-size:13px;font-weight:500;display:block;position:absolute;box-shadow:0 5px 13px #70707008}.ill-note small{color:#929292;margin:4px 0 0 17px;font-size:10px;font-weight:400;display:block}.note-top{top:22px;left:28px;transform:rotate(-5deg)}.tiny-dot{background:#9e9e9e;border-radius:50%;width:6px;height:6px;margin-right:8px;display:inline-block}.note-bottom{bottom:35px;right:0;transform:rotate(5deg)}.note-bottom>svg{color:#7f7f7f;margin-right:6px}.ill-connector{border:1px dashed #adadad;border-radius:0 16px 0 0;width:90px;height:58px;position:absolute}.connector-one{border-bottom:0;border-left:0;top:63px;left:41%;transform:rotate(9deg)}.connector-two{border-bottom:0;border-left:0;bottom:83px;left:51%;transform:rotate(180deg)}.orbit{z-index:-1;border:1px solid #e3e3e3;border-radius:50%;width:270px;height:270px;position:absolute;top:26px;left:calc(50% - 135px)}.orbit-two{border-style:dashed;width:330px;height:330px;top:-4px;left:calc(50% - 165px)}.ill-index{letter-spacing:1.7px;color:#9e9e9e;font-size:8px;position:absolute;bottom:7px;left:16%}.ill-cross{color:#909090;position:absolute}.cross-one{top:60px;right:18px}.cross-two{bottom:70px;left:25px}.approach-strip{border-top:1px solid #e2e2e2;border-bottom:1px solid #e2e2e2;grid-template-columns:repeat(3,1fr);gap:20px;padding:21px 0;display:grid}.approach-strip>div{border-right:1px solid #e2e2e2;align-items:center;gap:14px;padding-left:15px;display:flex}.approach-strip>div:last-child{border:0}.approach-strip>div>svg,.strip-symbol{color:#8f8f8f;flex-shrink:0}.strip-symbol{font-family:Georgia,serif;font-size:30px;line-height:1}.approach-strip strong{font-size:13px;font-weight:550;display:block}.approach-strip p>span{color:#969696;margin-top:2px;font-size:11px;display:block}.learning-path{padding:48px 0 36px;scroll-margin-top:25px}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;display:flex}.section-heading .eyebrow{letter-spacing:1.7px;color:#909090;font-size:10px}.section-heading h2{letter-spacing:-1px;margin-top:7px;font-size:27px}.section-aside{color:#909090;padding-bottom:4px;font-size:11px}.chapter-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.chapter-card{text-align:left;border:1px solid #dedede;border-radius:9px;padding:19px 21px 0;transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden}.chapter-card:hover{transform:translateY(-5px);box-shadow:0 12px 22px #44444410}.chapter-card-top{letter-spacing:1.3px;color:#717171;justify-content:space-between;align-items:center;font-size:10px;font-weight:550;display:flex}.chapter-card-top svg{opacity:.7}.chapter-card h3{letter-spacing:-.6px;font-size:19px;line-height:1.4}.chapter-card>p{color:gray;max-width:210px;min-height:35px;margin-top:7px;font-size:12px;line-height:1.7}.chapter-card-footer{color:#7d7d7d;border-top:1px solid #64646420;justify-content:space-between;align-items:center;margin-top:20px;padding:13px 0;font-size:10px;display:flex}.chapter-card-footer>span>span{opacity:.6;padding:0 5px}.card-arrow{border:1px solid #73737328;border-radius:50%;place-items:center;width:23px;height:23px;display:grid}.chapter-art{max-width:200px;height:125px;margin:5px auto 15px;position:relative;overflow:hidden}.art-circle{background:#d5d5d5;border:1px solid #909090;border-radius:50%;width:72px;height:72px;position:absolute;top:23px;left:48px}.art-square{background:#e9e9e9;border:1px solid gray;width:55px;height:55px;position:absolute;top:39px;left:96px;transform:rotate(18deg)}.art-small-circle{background:#dfdfdf;border:1px solid #a5a5a5;border-radius:50%;width:28px;height:28px;position:absolute;top:64px;left:22px}.art-line{border-top:1px dashed #969696;width:160px;position:absolute;top:100px;left:20px}.art-step{background:#dcdcdc;border:1px solid #9b9b9b;border-radius:3px;width:49px;height:27px;position:absolute;transform:skewY(-9deg);box-shadow:3px 4px #c5c5c5}.s1{top:13px;left:12px}.s2{background:#e3e3e3;top:37px;left:51px}.s3{background:#d4d4d4;top:61px;left:90px}.s4{background:#ebebeb;top:85px;left:129px}.art-loop{border:15px solid #c7c7c7;border-radius:50%;width:83px;height:83px;position:absolute;top:20px;left:55px;box-shadow:0 0 0 1px #9f9f9f,inset 0 0 0 1px #9f9f9f}.art-loop-dot{background:#e5e5e5;border:1px solid #8f8f8f;border-radius:50%;width:23px;height:23px;position:absolute;top:21px;left:110px}.art-symbol{color:#8a8a8a;font-size:37px;position:absolute;top:25px;left:79px}.art-board{background:#efefef;border:1px solid #aaa;border-radius:4px;gap:7px;padding:11px;display:flex;position:absolute;inset:21px 30px 12px;transform:rotate(-5deg);box-shadow:6px 6px #d5d5d5}.art-board>div{border-top:3px solid #b5b5b5;flex-direction:column;flex:1;gap:7px;padding-top:7px;display:flex}.art-board i{background:#dbdbdb;border:1px solid #b7b7b7;border-radius:2px;height:19px;display:block}.art-board>div:nth-child(2)>i:nth-child(2){display:none}.art-board>div:nth-child(3)>i{background:#cbcbcb}.art-document{background:#eee;border:1px solid #a1a1a1;width:66px;height:89px;padding:17px 12px;position:absolute;top:19px;left:62px;transform:rotate(-8deg);box-shadow:5px 5px #cacaca}.art-document i{background:#b0b0b0;width:100%;height:2px;margin-bottom:7px;display:block}.art-document i:nth-child(2){width:70%}.art-document span{color:#8a8a8a;font-family:Georgia,serif;font-size:25px}.art-check{text-align:center;color:#727272;background:#c8c8c8;border:1px solid #919191;border-radius:50%;width:34px;height:34px;line-height:32px;position:absolute;top:64px;left:119px}.art-person{background:#c8c8c8;border:1px solid #9e9e9e;border-radius:17px 17px 3px 3px;width:38px;height:35px;position:absolute;top:66px}.art-person:before{content:"";background:#e2e2e2;border:1px solid #9e9e9e;border-radius:50%;width:19px;height:19px;position:absolute;top:-26px;left:8px}.p1{left:33px}.p2{left:128px}.art-bubble{text-align:center;letter-spacing:2px;color:#929292;background:#ededed;border:1px solid #adadad;border-radius:11px 11px 11px 2px;width:50px;height:33px;font-size:24px;line-height:23px;position:absolute;top:16px;left:78px}.art-bridge{border-top:1px dashed #9e9e9e;width:52px;position:absolute;top:87px;left:73px}.connection-banner{border-top:1px solid #e2e2e2;border-bottom:1px solid #e2e2e2;align-items:center;gap:22px;padding:27px 0 30px;display:flex}.banner-mark{color:#b1b1b1;align-self:flex-start;font-family:Georgia,serif;font-size:52px;line-height:1}.connection-banner>div:nth-child(2){flex:1;max-width:510px}.connection-banner .eyebrow{color:#919191;letter-spacing:1.5px;font-size:9px}.connection-banner h2{letter-spacing:-.6px;margin-top:5px;font-size:20px}.connection-banner p{color:#909090;margin-top:7px;font-size:12px;line-height:1.8}.connection-banner .button{margin-left:auto;padding:11px 14px;font-size:12px}.home-bottom{color:#989898;justify-content:space-between;margin:23px 0 50px;font-size:10px;display:flex}.home-bottom>span:first-child{align-items:center;gap:6px;display:flex}.site-footer{color:#9d9d9d;border-top:1px solid #e5e5e5;align-items:center;gap:20px;padding:22px 44px;font-size:10px;display:flex}.footer-brand{letter-spacing:-.7px;color:#7e7e7e;font-size:17px;font-weight:650}.site-footer>button:last-child{align-items:center;gap:5px;margin-left:auto;display:flex}.mobile-top{display:none}.chapter-page,.atlas-page,.resources-page,.saved-page{max-width:1200px;margin:auto;padding:56px 50px 65px}.chapter-heading{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:40px;padding-bottom:38px;display:flex}.chapter-heading h1{max-width:600px;margin:15px 0;font-size:45px}.chapter-heading>div>p{color:var(--muted);font-size:16px}.chapter-heading .eyebrow{color:#888;font-size:11px}.chapter-heading-art{border-radius:50%;flex-shrink:0;place-items:center;width:190px;height:190px;display:grid}.chapter-heading-art .chapter-art{width:185px;margin:0}.chapter-meta{color:#919191;align-items:center;gap:20px;margin-top:24px;font-size:12px;display:flex}.chapter-meta>span,.chapter-meta>a{align-items:center;gap:6px;display:flex}.chapter-meta>a{border-bottom:1px solid #c1c1c1}.chapter-intro{align-items:center;gap:30px;margin:30px 0 18px;display:flex}.chapter-intro .eyebrow{white-space:nowrap;color:#8c8c8c;font-size:11px}.chapter-intro p{color:#919191;max-width:600px;font-size:13px}.lesson-row{text-align:left;border-top:1px solid var(--border);align-items:center;gap:18px;width:100%;padding:22px 8px;display:flex}.lesson-row:last-child{border-bottom:1px solid var(--border)}.lesson-row:hover{background:#f0f0f0}.lesson-index{color:#afafaf;min-width:30px;font-family:Georgia,serif;font-size:25px}.lesson-index.done{color:#787878}.lesson-row h3{letter-spacing:-.4px;font-size:18px}.lesson-row p{color:#939393;margin-top:5px;font-size:13px}.lesson-row>svg{color:#969696;margin-left:15px}.lesson-slides{white-space:nowrap;color:#9c9c9c;margin-left:auto;font-size:11px}.quiz-section{border-top:1px solid var(--border);margin-top:65px;padding-top:30px}.quiz-section h2{font-size:26px}.quiz-question{border-bottom:1px solid var(--border);padding:24px 0}.quiz-question h3{gap:14px;margin-bottom:16px;font-size:18px;line-height:1.7;display:flex}.quiz-question h3>span{color:#9c9c9c;font-size:14px;line-height:2.2}.choice-list{flex-direction:column;gap:9px;display:flex}.choice-list>button{text-align:left;background:#f6f6f6;border:1px solid #ddd;border-radius:6px;align-items:center;gap:14px;padding:14px 16px;font-size:14px;line-height:1.6;display:flex}.choice-list>button:hover{background:#ededed}.choice-list>button.correct{background:#e8e8e8;border-color:#adadad}.choice-list>button.incorrect{background:#e4e4e4;border-color:#adadad}.choice-list>button>span:nth-child(2){flex:1}.choice-letter{color:#939393;font-size:12px}.answer-explanation{color:#818181;padding:16px 0 0 37px;font-size:14px}.answer-explanation strong{color:#555}.chapter-bottom-nav{justify-content:flex-end;margin-top:30px;display:flex}.topic-page{grid-template-columns:minmax(0,1fr) 178px;gap:45px;max-width:1280px;margin:auto;padding:40px 45px 70px;display:grid}.back-link{color:#8b8b8b;align-items:center;gap:7px;padding:0;font-size:12px;display:flex}.topic-title{padding-top:32px}.topic-title .eyebrow{color:#9a9a9a;font-size:10px}.topic-title h1{letter-spacing:-2px;margin:12px 0 15px;font-size:44px}.topic-title>p{color:#8b8b8b;font-size:17px}.topic-toolbar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:24px;padding:8px 0;display:flex}.source-link{color:#919191;align-items:center;gap:6px;font-size:11px;display:flex}.concept-figure{background:#f2f2f2;border:1px solid #e1e1e1;border-radius:8px;margin:27px 0 40px;overflow:hidden}.figure-top{border-bottom:1px solid #e0e0e0;justify-content:space-between;align-items:center;gap:10px;padding:14px 17px;display:flex}.figure-top .eyebrow{color:#8f8f8f;letter-spacing:1.3px;font-size:9px}.figure-top>span:last-child{color:#a0a0a0;font-size:10px}.flow-wrap{height:255px}.figure-caption{color:#8b8b8b;border-top:1px solid #e3e3e3;align-items:center;gap:9px;padding:10px 16px;display:flex}.figure-caption p{font-size:11px;line-height:1.6}.figure-caption>svg{flex-shrink:0}.diagram-text{flex-wrap:wrap;gap:6px;margin:0;padding:0 16px 13px;list-style:none;display:flex}.diagram-text button{color:#8f8f8f;border:1px solid #dbdbdb;border-radius:3px;padding:4px 7px;font-size:10px}.diagram-text button[aria-pressed=true]{background:#dcdcdc}.react-flow__attribution{background:#f2f2f2!important;font-size:10px!important}.react-flow__controls{box-shadow:none!important;border:1px solid #dedede!important}.react-flow__controls-button{fill:#7f7f7f!important;background:#f7f7f7!important;border-color:#e4e4e4!important}.explanation-section{scroll-margin-top:25px}.topic-main section>.eyebrow{color:#969696;letter-spacing:1.3px;font-size:10px}.topic-main h2{letter-spacing:-.8px;margin-top:8px;margin-bottom:21px;font-size:27px}.explanation-section p{color:#6e6e6e;margin-bottom:20px;font-size:16px;line-height:1.95}.analogy-section{background:#ededed;border:1px solid #e0e0e0;border-radius:7px;gap:20px;margin:36px 0;padding:28px;scroll-margin-top:25px;display:flex}.analogy-symbol{color:#8f8f8f;background:#e1e1e1;border-radius:50%;place-items:center;min-width:44px;height:44px;display:grid}.analogy-section h2{margin-top:5px;margin-bottom:12px;font-size:22px}.analogy-section .eyebrow{letter-spacing:1.1px;color:#909090;font-size:9px}.analogy-section p{color:#757575;font-family:Georgia,serif;font-size:19px;font-style:italic;line-height:1.8}.example-section{padding:4px 0 14px;scroll-margin-top:25px}.example-body{gap:20px;display:flex}.example-line{background:#bdbdbd;min-width:2px}.example-body p{color:#787878;font-size:16px;line-height:1.9}.takeaways{margin:35px 0 32px;scroll-margin-top:25px}.takeaways>div{border-top:1px solid var(--border);align-items:baseline;gap:16px;padding:15px 2px;display:flex}.takeaways>div:last-child{border-bottom:1px solid var(--border)}.takeaways>div>span{color:#9f9f9f;font-size:12px}.takeaways p{color:#6d6d6d;font-size:14px}.reading-link{background:#eee;border:1px solid #e1e1e1;border-radius:7px;justify-content:space-between;align-items:center;gap:20px;padding:22px;scroll-margin-top:25px;display:flex}.reading-link .eyebrow{color:#969696;letter-spacing:1px;font-size:9px}.reading-link h3{margin:5px 0;font-size:19px}.reading-link p{color:#949494;font-size:12px;line-height:1.7}.reading-link>a{white-space:nowrap;color:#6d6d6d;border-bottom:1px solid #b3b3b3;align-items:center;gap:8px;padding:7px 0;font-size:13px;display:flex}.complete-section{justify-content:space-between;align-items:center;gap:20px;margin-top:15px;padding:30px 0;display:flex}.complete-section strong{font-size:15px;font-weight:600}.complete-section p{color:#969696;margin-top:4px;font-size:12px}.complete-section .button{font-size:13px}.topic-pagination{border-top:1px solid var(--border);justify-content:space-between;gap:25px;padding-top:25px;display:flex}.topic-pagination :is(button,a){text-align:left;max-width:48%;padding:0}.topic-pagination :is(button,a):last-child{text-align:right;margin-left:auto}.topic-pagination :is(button,a)>span{letter-spacing:1.3px;color:#9c9c9c;font-size:9px;display:block}.topic-pagination strong{align-items:center;gap:8px;margin-top:8px;font-size:13px;font-weight:500;line-height:1.6;display:flex}.topic-aside{height:max-content;margin-top:90px;position:sticky;top:30px}.topic-aside>.eyebrow{letter-spacing:1.3px;color:#919191;margin-bottom:18px;font-size:10px}.topic-aside>a{color:#a7a7a7;align-items:center;gap:10px;padding:9px 0;font-size:10px;display:flex}.topic-aside>a>span{color:#848484;font-size:12px}.topic-aside>a:hover>span{color:#4e4e4e}.aside-note{border-top:1px solid var(--border);margin-top:30px;padding-top:20px}.aside-note>span{color:#b1b1b1;font-family:Georgia,serif;font-size:32px}.aside-note p{color:#969696;margin:3px 0 20px;font-size:13px;line-height:1.8}.topic-aside>.button{gap:5px;width:100%;font-size:11px}.lab{background:#f3f3f3;border:1px solid #dcdcdc;border-radius:7px;margin:36px 0;overflow:hidden}.segmented{gap:5px;margin:20px 22px;display:flex}.segmented button{text-transform:capitalize;color:#959595;border:1px solid #0000;border-radius:4px;padding:8px 14px;font-size:12px}.segmented button.active{color:#666;background:#e6e6e6;border-color:#c7c7c7}.process-tracks{padding:8px 23px 12px}.track{align-items:center;gap:20px;margin:12px 0;display:flex}.track>span{color:#8d8d8d;flex-shrink:0;width:83px;font-size:11px}.track-blocks{flex:1;align-items:center;gap:6px;display:flex}.track-blocks>i{background:#f0f0f0;border:1px solid #e5e5e5;border-radius:2px;flex:1;height:18px;display:block}.track-blocks>i.filled{background:#dcdcdc;border-color:#c2c2c2}.track-blocks>i.filled.revealed{background:#8b8b8b;border-color:#7b7b7b}.track-blocks>i.risk.revealed{background:#d8d8d8;border-color:#b1b1b1}.feedback-dot{text-align:center;color:#797979;opacity:0;flex:1;height:18px;font-size:16px}.feedback-dot.visible{opacity:1}.lab-footer{border-top:1px solid #dfdfdf;align-items:center;gap:15px;padding:16px 22px;display:flex}.lab-footer p{color:#979797;flex:1;font-size:12px;line-height:1.7}.kanban-board{grid-template-columns:repeat(3,1fr);gap:13px;margin:22px;display:grid}.kanban-board>div{background:#ececec;border-radius:5px;min-height:170px;padding:12px}.kanban-board h4{color:#7c7c7c;justify-content:space-between;margin-bottom:12px;font-size:12px;font-weight:500;display:flex}.kanban-board h4>span{opacity:.7;font-size:10px}.kanban-card{text-align:left;background:#fbfbfb;border:1px solid #dadada;border-radius:4px;flex-wrap:wrap;gap:4px;width:100%;margin:8px 0;padding:11px 10px;font-size:12px;line-height:1.6;display:flex;box-shadow:0 2px #d0d0d040}.kanban-card small{color:#a9a9a9;width:100%;font-size:9px;display:block}.kanban-card svg{color:#a6a6a6;margin-left:auto}.kanban-card:disabled{opacity:.65}.kanban-card:hover:enabled{border-color:#a4a4a4;transform:translateY(-1px)}.lab-message{color:#838383;border-top:1px solid #e1e1e1;min-height:49px;padding:14px 22px;font-size:13px;line-height:1.75}.requirement-lab{padding:25px}.requirement-lab>.eyebrow{color:#959595;font-size:10px}.requirement-lab h3{color:#818181;margin:16px 0 8px;font-family:Georgia,serif;font-size:24px;font-style:italic;font-weight:400}.requirement-lab>p{color:#9b9b9b;margin-bottom:18px;font-size:13px}.requirement-lab>.lab-message{margin-top:20px;margin-bottom:0;padding:18px 0 0}.atlas-page>h1,.resources-page>h1,.saved-page>h1{margin:13px 0 18px;font-size:47px}.atlas-page>.eyebrow,.resources-page>.eyebrow,.saved-page>.eyebrow{color:#949494;font-size:10px}.page-intro{color:#8f8f8f;max-width:640px;font-size:16px}.atlas-path{max-width:780px;margin:45px 0}.atlas-stop{text-align:left;border:1px solid #d1d1d1;border-radius:7px;align-items:center;gap:28px;width:100%;padding:25px 28px;display:flex}.atlas-stop>span{color:#999;font-family:Georgia,serif;font-size:31px}.atlas-stop h2{letter-spacing:-.6px;font-size:23px}.atlas-stop p{color:#878787;margin-top:7px;font-size:13px}.atlas-stop>svg{color:#8f8f8f;margin-left:auto}.atlas-stop:hover{transform:translate(5px)}.atlas-connector{color:#a1a1a1;align-items:center;gap:15px;min-height:48px;margin-left:44px;font-size:12px;display:flex}.atlas-connector span{background:#c7c7c7;align-self:stretch;width:1px;display:block}.atlas-crosslinks{border-top:1px solid var(--border);padding-top:25px}.atlas-crosslinks>.eyebrow{color:#949494;margin-bottom:15px;font-size:10px}.atlas-crosslinks>button{text-align:left;border-bottom:1px solid var(--border);justify-content:space-between;width:100%;padding:17px 0;font-size:15px;display:flex}.resource-tabs{margin-top:36px}.tabs-list{border-bottom:1px solid var(--border);gap:28px;margin-bottom:24px;display:flex}.tabs-list>button{color:#9a9a9a;border-bottom:2px solid #0000;padding:12px 0;font-size:14px}.tabs-list>button[data-state=active]{color:#4e4e4e;border-bottom-color:#828282}.resource-list>a{border-bottom:1px solid var(--border);align-items:center;gap:18px;padding:24px 0;display:flex}.resource-number{border:1px solid #d7d7d7;border-radius:6px;flex-shrink:0;place-items:center;width:33px;height:33px;font-size:12px;display:grid}.resource-list h3{letter-spacing:-.25px;font-size:16px}.resource-list p{color:#9b9b9b;margin-top:6px;font-size:12px}.resource-list>a>svg:last-child{color:#9b9b9b;margin-left:auto}.resource-list>a>svg:first-child{color:#989898;margin:0 8px}.about-guide{max-width:750px}.about-guide h2{margin-bottom:20px;font-size:26px}.about-guide h3{margin:30px 0 13px;font-size:19px}.about-guide p{color:#8d8d8d;font-size:15px;line-height:1.9}.saved-page .lesson-list{margin-top:35px}.saved-row{border-bottom:1px solid var(--border);align-items:center;display:flex}.saved-row>button:first-child{text-align:left;flex:1;align-items:center;gap:18px;padding:20px 0;display:flex}.saved-row h3{font-size:17px}.saved-row p{color:#979797;margin-top:5px;font-size:13px}.saved-row>button:first-child>svg{margin-left:auto}.empty-state{text-align:center;padding:95px 25px}.empty-state>svg{color:#afafaf;margin-bottom:25px}.empty-state h2{margin-bottom:15px;font-size:28px}.empty-state p{color:#979797;max-width:340px;margin:0 auto 25px;font-size:15px}.search-overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:60;background:#30303066;justify-content:center;align-items:flex-start;padding:13vh 20px 30px;display:flex;position:fixed;inset:0}.search-dialog{background:#f8f8f8;border:1px solid #e5e5e5;border-radius:12px;width:100%;max-width:650px;overflow:hidden;box-shadow:0 30px 100px #37373740}.search-field{border-bottom:1px solid var(--border);color:#939393;align-items:center;gap:14px;padding:20px;display:flex}.search-field input{color:#4e4e4e;background:0 0;border:0;outline:0;flex:1;min-width:0;font-size:15px}.search-field input::placeholder{color:#a5a5a5}.search-field input:focus-visible{outline:0}.search-results{max-height:53vh;padding:20px;overflow:auto}.search-results>.eyebrow{color:#9f9f9f;margin-bottom:12px;font-size:10px}.search-results>button{text-align:left;border-radius:5px;align-items:center;gap:13px;width:100%;padding:12px 4px;display:flex}.search-results>button:hover{background:#ededed}.search-results strong{font-size:14px;font-weight:550;display:block}.search-results small{color:#9a9a9a;margin-top:5px;font-size:12px;display:block}.search-results>button>svg{color:#9e9e9e;margin-left:auto}.search-footer{color:#a4a4a4;border-top:1px solid var(--border);justify-content:space-between;padding:13px 20px;font-size:10px;display:flex}.search-empty{color:#9b9b9b;padding:20px 0;font-size:14px}.page-enter{animation:.35s ease-out page-in}@keyframes page-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1500px){.home{padding:0 65px}.hero{padding-top:80px;padding-bottom:75px}.hero-illustration{height:370px}.chapter-card{padding:23px 25px 0}.chapter-art{height:140px}.chapter-card h3{font-size:22px}.chapter-card>p{max-width:250px;font-size:14px}.chapter-card-footer{font-size:12px}.hero-copy>p{max-width:470px;font-size:17px}.hero-actions .text-link{font-size:14px}.hero-note{font-size:13px}.approach-strip strong{font-size:15px}.approach-strip p>span{font-size:13px}.section-heading h2{font-size:32px}.section-aside{font-size:13px}.chapter-card-top{font-size:12px}}@media(max-width:1150px){.sidebar{width:220px;padding:28px 16px 0}.app-shell{margin-left:220px}.home,.topbar{padding:0 30px}.hero{grid-template-columns:1.2fr .9fr;gap:0;padding:45px 0 40px}.hero h1{font-size:39px}.hero-copy>p{max-width:330px;font-size:14px}.hero-illustration{transform-origin:100%;height:300px;transform:scale(.9)}.hero-actions{flex-wrap:wrap;gap:14px}.hero-actions .text-link{font-size:11px}.chapter-grid{gap:13px}.chapter-card{padding:16px 16px 0}.chapter-card h3{font-size:17px}.chapter-card>p{font-size:11px}.chapter-card-footer{font-size:9px}.chapter-art{height:120px;margin-bottom:0;transform:scale(.87)}.approach-strip{gap:10px}.approach-strip>div{gap:8px;padding-left:4px}.approach-strip strong{font-size:12px}.approach-strip p>span{font-size:10px}.section-heading h2{font-size:24px}.section-aside{font-size:10px}.connection-banner{gap:15px}.connection-banner .button{font-size:11px}.connection-banner h2{font-size:19px}.topic-page{grid-template-columns:minmax(0,1fr);max-width:850px;padding:35px 40px}.topic-aside{display:none}.topic-title h1{font-size:43px}.chapter-page,.atlas-page,.resources-page,.saved-page{padding:45px 35px}.chapter-heading-art{width:145px;height:145px}.chapter-heading h1{font-size:37px}.chapter-heading-art .chapter-art{transform:scale(.8)}.chapter-heading{gap:10px}.chapter-meta{gap:12px}.chapter-intro{gap:20px}.site-footer{padding:22px 30px}.sidebar-course{margin-top:32px}}@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-illustration{display:none}.hero{padding-top:45px;padding-bottom:40px}.hero h1{font-size:49px}.hero-copy>p{max-width:450px}.hero-actions{flex-wrap:nowrap}.chapter-grid{grid-template-columns:repeat(2,1fr);gap:16px}.chapter-card h3{font-size:19px}.chapter-card>p{font-size:12px}.chapter-card-footer{font-size:10px}.chapter-art{height:125px;transform:scale(1)}.approach-strip{grid-template-columns:1fr;gap:16px;padding:22px 5px}.approach-strip>div{border:0;gap:13px}.approach-strip strong{font-size:14px}.approach-strip p>span{font-size:12px}.approach-strip>div>svg,.strip-symbol{text-align:center;width:26px}.section-heading{align-items:start}.section-aside{max-width:100px;line-height:1.8}.connection-banner{flex-wrap:wrap}.connection-banner>div:nth-child(2){flex-basis:80%}.connection-banner>.button{margin-left:45px}.home-bottom{gap:10px;line-height:1.7}.site-footer{flex-wrap:wrap;gap:13px}.site-footer>span{font-size:9px}.chapter-heading-art{display:none}.chapter-heading h1{font-size:42px}.chapter-intro{display:block}.chapter-intro p{margin-top:10px}.lesson-slides{display:none}.lesson-row>svg{margin-left:auto}.chapter-meta{flex-wrap:wrap}.topic-title h1{font-size:38px}.kanban-board{gap:8px;margin:16px}.kanban-board>div{padding:8px}.kanban-card{font-size:11px}.topic-page{padding:30px}.analogy-section{gap:15px;padding:22px}.analogy-section p{font-size:18px}.atlas-stop{gap:17px;padding:22px}.atlas-stop h2{font-size:20px}.resources-page>h1,.atlas-page>h1,.saved-page>h1{font-size:41px}.resource-list h3{font-size:14px}.resource-list p{font-size:11px}}@media(max-width:700px){.mobile-top{border-bottom:1px solid var(--border);background:var(--paper);z-index:45;justify-content:space-between;align-items:center;height:67px;padding:0 22px;display:flex;position:relative}.mobile-top .brand{font-size:25px}.mobile-top .brand-mark{width:28px;height:28px}.sidebar{z-index:50;width:270px;padding:28px 23px 0;transition:transform .25s;transform:translate(-100%)}.sidebar.is-open{transform:translate(0)}.sidebar-scrim{z-index:49;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#2c2c2c55;position:fixed;inset:0}.app-shell{margin-left:0}.topbar{height:46px;padding:0 23px}.topbar-right{display:none}.breadcrumbs{gap:9px;font-size:11px}.breadcrumbs>span:first-child{font-size:9px}.home{padding:0 24px}.hero{padding:41px 0 33px}.hero h1{letter-spacing:-2px;margin-top:19px;font-size:clamp(36px,8.9vw,57px)}.hero h1>span:first-child{white-space:nowrap}.serif-line{letter-spacing:-1.9px}.hero-copy>p{max-width:430px;margin-top:20px;font-size:15px}.hero-actions{gap:18px;margin-top:24px}.hero-actions .text-link{font-size:12px}.hero-actions .button{padding:12px 16px;font-size:14px}.edition{letter-spacing:1.25px;font-size:9px}.hero-note{margin-top:20px;font-size:11px}.approach-strip{grid-template-columns:repeat(3,1fr);gap:10px;padding:20px 0}.approach-strip>div{padding-left:0;display:block}.approach-strip>div>svg{height:23px}.strip-symbol{height:23px;font-size:26px;display:block}.approach-strip strong{margin-top:9px;font-size:11px;line-height:1.5}.approach-strip p>span{max-width:100px;margin-top:4px;font-size:10px;line-height:1.6}.learning-path{padding-top:34px}.section-heading h2{max-width:260px;font-size:26px}.section-aside{display:none}.chapter-grid{gap:13px}.chapter-card{padding:15px 15px 0}.chapter-card-top{font-size:9px}.chapter-card-top svg{width:16px}.chapter-card h3{letter-spacing:-.5px;min-height:44px;font-size:18px}.chapter-card>p{min-height:45px;font-size:11px;line-height:1.8}.chapter-card-footer{margin-top:16px;font-size:9px}.chapter-art{transform-origin:50%;height:115px;transform:scale(.85)}.card-arrow{width:20px;height:20px}.connection-banner{gap:12px;padding-top:22px}.banner-mark{font-size:38px}.connection-banner h2{font-size:19px;line-height:1.5}.connection-banner .eyebrow{letter-spacing:1px;font-size:8px}.connection-banner p{font-size:12px}.connection-banner>.button{margin-left:32px}.home-bottom{flex-direction:column;gap:8px;margin-bottom:35px;font-size:9px}.site-footer{padding:20px 24px;font-size:10px}.site-footer>span{display:none}.site-footer>button:last-child{font-size:11px}.chapter-page,.atlas-page,.resources-page,.saved-page{padding:35px 24px 45px}.chapter-heading h1{letter-spacing:-1.7px;font-size:37px}.chapter-heading>div>p{font-size:15px;line-height:1.8}.chapter-meta{gap:15px;font-size:11px}.chapter-intro p{font-size:13px}.lesson-row{gap:12px;padding:19px 0}.lesson-row h3{font-size:16px}.lesson-row p{font-size:12px}.lesson-index{min-width:25px;font-size:23px}.quiz-question h3{gap:10px;font-size:16px}.quiz-section{margin-top:40px}.choice-list>button{padding:12px;font-size:13px}.answer-explanation{padding-left:0;font-size:13px}.topic-page{padding:27px 24px 45px}.topic-title{padding-top:26px}.topic-title h1{letter-spacing:-1.8px;font-size:36px}.topic-title>p{font-size:15px;line-height:1.8}.topic-toolbar .button{padding:8px;font-size:12px}.source-link{flex-wrap:wrap;gap:4px;max-width:65%;font-size:10px;line-height:1.6}.concept-figure{margin:23px 0 30px}.figure-top{padding:13px 12px}.figure-top .eyebrow{letter-spacing:1px;font-size:8px}.figure-top>span:last-child{font-size:9px}.flow-wrap{height:230px}.figure-caption{padding:10px 12px}.figure-caption p{font-size:10px}.diagram-text{padding:0 12px 12px}.diagram-text button{font-size:9px}.topic-main h2{font-size:24px}.explanation-section p{font-size:15px;line-height:1.95}.analogy-section{gap:12px;margin:28px 0;padding:22px 18px}.analogy-symbol{min-width:30px;height:30px}.analogy-symbol svg{width:17px}.analogy-section h2{font-size:20px}.analogy-section p{font-size:17px}.analogy-section .eyebrow{font-size:8px}.example-body{gap:15px}.example-body p{font-size:15px}.takeaways p{font-size:13px}.reading-link{gap:15px;padding:20px 16px}.reading-link h3{font-size:18px}.reading-link p{font-size:11px}.reading-link>a{font-size:12px}.complete-section{flex-direction:column;align-items:start;gap:14px;padding:25px 0}.complete-section .button{width:100%}.topic-pagination{gap:20px}.topic-pagination strong{font-size:12px}.topic-aside{display:none}.track>span{width:65px;font-size:10px}.track{gap:10px}.track-blocks{gap:3px}.segmented{margin:15px}.segmented button{padding:7px 11px;font-size:11px}.process-tracks{padding:8px 15px}.lab-footer{gap:10px;padding:14px}.lab-footer p{font-size:11px}.lab-footer .button{gap:6px;font-size:11px}.kanban-board{gap:6px;margin:12px}.kanban-card{padding:9px 7px;font-size:10px}.kanban-card>svg{width:12px}.kanban-board h4{font-size:11px}.kanban-board>div{min-height:150px;padding:8px 6px}.lab-message{padding:13px;font-size:12px}.requirement-lab{padding:20px 16px}.requirement-lab h3{font-size:22px}.atlas-page>h1,.resources-page>h1,.saved-page>h1{letter-spacing:-1.8px;font-size:38px}.page-intro{font-size:15px;line-height:1.9}.atlas-path{margin:30px 0}.atlas-stop{gap:15px;padding:20px 15px}.atlas-stop>span{font-size:25px}.atlas-stop h2{font-size:19px}.atlas-stop p{font-size:12px;line-height:1.7}.atlas-connector{gap:13px;min-height:45px;margin-left:28px;font-size:10px}.atlas-crosslinks>button{gap:12px;font-size:13px}.resource-list>a{gap:12px;padding:20px 0}.resource-list h3{font-size:14px;line-height:1.7}.resource-list p{font-size:11px;line-height:1.8}.resource-number{width:28px;height:28px;font-size:11px}.resource-list>a>svg{width:16px}.tabs-list{gap:20px}.tabs-list>button{font-size:12px}.about-guide p{font-size:14px}.saved-row h3{font-size:15px}.saved-row p{font-size:12px}.search-overlay{padding:8vh 14px 20px}.search-field{gap:10px;padding:17px}.search-field input{font-size:14px}.search-results{padding:16px}.search-results strong{font-size:13px}.search-results small{font-size:11px}.search-results>button{gap:10px}.search-results>.eyebrow{font-size:9px}.search-field>svg{width:18px}.search-footer{font-size:9px}.back-link{font-size:11px}}@media(max-width:370px){.home{padding:0 18px}.hero-actions{flex-wrap:wrap;gap:15px}.hero h1{font-size:34px}.chapter-card{padding:12px 11px 0}.chapter-card h3{font-size:16px}.chapter-card-footer{font-size:8px}.chapter-art{margin-left:-12px;margin-right:-12px;transform:scale(.72)}.topic-page{padding:25px 18px}.figure-top>span:last-child{display:none}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.react-flow__edge.animated path{animation:none!important}}@media print{.sidebar,.topbar,.mobile-top,.site-footer,.topic-aside,.topic-toolbar,.complete-section,.topic-pagination{display:none}.app-shell{margin:0}.topic-page{padding:20px;display:block}.flow-wrap{height:230px}.lab{break-inside:avoid}.search-overlay{display:none}}.react-flow__pane{cursor:default!important}main:focus{outline:none}.concept-part{color:#505050;cursor:pointer;background:#fcfcfc;border:1px solid #c9c9c9;border-radius:7px;align-items:center;gap:10px;width:100%;min-height:74px;padding:15px 13px;transition:background .2s,border-color .2s,box-shadow .2s;display:flex;box-shadow:0 3px #e1e1e1}.concept-part>strong{flex:1;font-family:DM Sans Variable,sans-serif;font-size:15px;font-weight:550;line-height:1.5}.part-icon{color:#979797;flex-shrink:0;display:flex}.part-focus{background:#e3e3e3;border-color:#a5a5a5;box-shadow:0 4px #c8c8c8}.part-focus .part-icon{color:#888}.part-decision{box-shadow:none;color:#717171;background:#ededed;border-style:dashed;border-color:#aeaeae;border-radius:28px}.part-decision .part-icon{color:#9a9a9a}.part-artifact{background:#f9f9f9;border-bottom:3px solid #c7c7c7;border-radius:3px 11px 3px 3px;box-shadow:3px 3px #e3e3e3}.part-metric{box-shadow:none;color:#696969;background:#ededed;border-color:#b7b7b7;border-radius:4px}.part-metric .part-icon{color:#979797}.part-actor{box-shadow:none;text-align:center;background:0 0;border:none;flex-direction:column;gap:7px;min-height:100px;padding:8px}.part-actor .part-icon{color:#838383;background:#e5e5e5;border:1px solid #b6b6b6;border-radius:50%;place-items:center;width:36px;height:36px;display:grid}.part-actor>strong{flex:0;font-size:15px}.part-actor small{letter-spacing:.3px;color:#8a8a8a;font-size:11px}.part-label{min-height:30px;box-shadow:none;text-align:center;background:0 0;border:0;border-top:1px dashed #bbb;border-radius:0;padding:9px 0}.part-label strong{letter-spacing:1.5px;color:#989898;font-size:12px}.part-selected{background:#e3e3e3!important;border-color:#616161!important;box-shadow:0 0 0 2px #92929222!important}.concept-part:hover{background:#ededed;border-color:#909090}.part-actor:hover{background:#ececec;border-radius:8px}.concept-part .react-flow__handle{opacity:0;background:#9c9c9c;border:0;width:3px;min-width:3px;height:3px;min-height:3px}.figure-top .eyebrow{letter-spacing:1.3px;color:#7e7e7e;font-size:10px}.figure-caption{align-items:flex-start;min-height:57px;padding:15px 17px}.figure-caption p{color:#7f7f7f;font-size:13px;line-height:1.8}.figure-caption>svg{color:#9c9c9c;margin-top:2px}.figure-caption strong{color:#616161;font-weight:600}.figure-caption.has-selection{background:#ebebeb}.diagram-parts{flex-wrap:wrap;gap:7px;padding:0 17px 17px;display:flex}.diagram-parts button{color:#838383;text-align:left;background:#f6f6f6;border:1px solid #d3d3d3;border-radius:4px;padding:5px 9px;font-size:11px;line-height:1.6}.diagram-parts button:hover{background:#e7e7e7}.diagram-parts button[aria-pressed=true]{color:#5b5b5b;background:#dedede;border-color:#ababab}@media(max-width:700px){.figure-top .eyebrow{max-width:66%;font-size:9px;line-height:1.7}.figure-top>span:last-child{text-align:right;max-width:34%;font-size:9px;line-height:1.8}.figure-caption{padding:13px}.figure-caption p{font-size:12px}.diagram-parts{gap:6px;padding:0 13px 14px}.diagram-parts button{padding:5px 8px;font-size:10px}}.part-usecase{box-shadow:none;text-align:center;background:#f9f9f9;border:1px solid #b6b6b6;border-radius:50%;justify-content:center;min-height:74px}.system-boundary{pointer-events:none;background:#eaeaea35;border:1px dashed #b2b2b2;border-radius:5px;width:100%;height:100%;position:relative}.system-boundary>span{letter-spacing:1px;color:#959595;font-size:11px;position:absolute;top:9px;left:15px}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}:root{color-scheme:light;--diagram-surface: #f2f2f2;--diagram-edge: #8d8d8d;--diagram-edge-muted: #ababab;--diagram-label: #7a7a7a;--diagram-dot: #cacaca}.mobile-header-actions{display:flex;align-items:center;gap:6px}.topbar-right>.theme-toggle{margin-left:12px}.topbar-right>.theme-toggle+.button{margin-left:2px}.theme-toggle{border:1px solid var(--border);flex-shrink:0}:root[data-theme=dark]{color-scheme:dark;color:#e7e7e7;background:#202020;--paper: #202020;--ink: #e7e7e7;--green: #cacaca;--muted: #bbbbbb;--border: #3f3f3f;--sage: #373737;--blue: #363636;--peach: #393939;--yellow: #3b3b3b;--rose: #353535;--lavender: #343434;--surface: #2a2a2a;--surface-raised: #333333;--surface-active: #454545;--text: #e7e7e7;--text-secondary: #c7c7c7;--text-muted: #b0b0b0;--accent: #cccccc;--diagram-surface: #2a2a2a;--diagram-edge: #a4a4a4;--diagram-edge-muted: #808080;--diagram-label: #cfcfcf;--diagram-dot: #464646}[data-theme=dark] :is(.sidebar,.search-dialog){background:#272727;border-color:var(--border)}[data-theme=dark] :is(.topbar,.sidebar-footer,.site-footer,.approach-strip,.approach-strip>div,.connection-banner,.chapter-heading,.lesson-row,.quiz-section,.quiz-question,.topic-toolbar,.takeaways>div,.topic-pagination,.aside-note,.atlas-crosslinks,.atlas-crosslinks>button,.resource-list>a,.tabs-list,.saved-row,.search-field,.search-footer){border-color:var(--border)}[data-theme=dark] :is(.brand-period,.little-sun,.serif-dot,.serif-line,.strip-symbol,.approach-strip>div>svg,.banner-mark,.ill-cross,.empty-state>svg){color:var(--accent)}[data-theme=dark] :is(.sidebar-course>.eyebrow,.course-code span,.sidebar-label,.sidebar-label span,.sidebar-bottom>p,.sidebar-footer,.breadcrumbs>span:first-child,.breadcrumbs>svg,.topbar-right,.edition,.hero-note,.text-link,.section-aside,.section-heading .eyebrow,.chapter-card-top,.chapter-card-footer,.connection-banner .eyebrow,.home-bottom,.site-footer,.chapter-heading .eyebrow,.chapter-meta,.chapter-intro .eyebrow,.lesson-slides,.lesson-row>svg,.topic-title .eyebrow,.source-link,.back-link,.topic-main section>.eyebrow,.analogy-section .eyebrow,.reading-link .eyebrow,.topic-pagination :is(button,a)>span,.topic-aside>.eyebrow,.topic-aside>a,.atlas-page>.eyebrow,.resources-page>.eyebrow,.saved-page>.eyebrow,.atlas-connector,.atlas-crosslinks>.eyebrow,.resource-list p,.resource-list>a>svg,.tabs-list>button,.saved-row p,.search-results>.eyebrow,.search-results small,.search-results>button>svg,.search-footer,.search-empty,.figure-top>span:last-child,.track>span,.segmented button,.choice-letter){color:var(--text-muted)}[data-theme=dark] :is(.hero-copy>p,.chapter-card>p,.connection-banner p,.chapter-heading>div>p,.chapter-intro p,.lesson-row p,.topic-title>p,.explanation-section p,.example-body p,.takeaways p,.reading-link p,.complete-section p,.topic-aside>a>span,.aside-note p,.page-intro,.atlas-stop p,.about-guide p,.empty-state p,.answer-explanation,.lab-footer p,.lab-message,.requirement-lab>p,.kanban-board h4,.kanban-card small,.kanban-card svg){color:var(--text-secondary)}[data-theme=dark] :is(.footer-brand,.progress-label strong,.lesson-index,.lesson-index.done,.topic-aside>a:hover>span,.reading-link>a,.answer-explanation strong,.requirement-lab h3,.requirement-lab>.eyebrow,.atlas-stop>span,.atlas-stop>svg){color:var(--accent)}[data-theme=dark] :is(.search-button,.choice-list>button,.kanban-card,.diagram-parts button){background:var(--surface);border-color:#545454;color:var(--text-secondary)}[data-theme=dark] :is(.search-button kbd,.count,.kanban-board>div){background:var(--surface-raised);color:var(--text-secondary)}[data-theme=dark] :is(.course-code span,.chapter-nav-number,.resource-number,.card-arrow){border-color:#545454}[data-theme=dark] :is(.nav-item:hover,.chapter-nav-item:hover,.chapter-nav-item.current,.button-ghost:hover,.button-outline:hover,.lesson-row:hover,.choice-list>button:hover,.search-results>button:hover,.diagram-parts button:hover){background:#3b3b3b}[data-theme=dark] :is(.nav-item.selected,.segmented button.active,.diagram-parts button[aria-pressed=true]){background:var(--surface-active);color:#ddd;border-color:#737373}[data-theme=dark] :is(.topic-nav :is(button,a),.chapter-nav-item>svg){color:#b6b6b6}[data-theme=dark] :is(.topic-nav :is(button,a).active,.topic-nav :is(button,a):hover,.tabs-list>button[data-state=active]){color:#ddd}[data-theme=dark] .topic-nav{border-color:#545454}[data-theme=dark] :is(.topic-dot,.progress-track){background:#474747}[data-theme=dark] :is(.nav-dot,.progress-track i,.availability-dot,.edition-line){background:#bebebe}[data-theme=dark] .button-primary{background:#cacaca;color:#2b2b2b;border-color:#cacaca}[data-theme=dark] .button-primary:hover{background:#d8d8d8}[data-theme=dark] .button-outline{border-color:#606060;color:#ddd}[data-theme=dark] .brand-mark{background:#b9b9b9;color:#2d2d2d}[data-theme=dark] .skip-link{background:#cacaca;color:#2b2b2b}[data-theme=dark] .chapter-card{border-color:#4d4d4d}[data-theme=dark] .chapter-card-footer{border-color:#8a8a8a37}[data-theme=dark] .tabs-list>button[data-state=active]{border-bottom-color:var(--accent)}[data-theme=dark] .reading-link{background:#333;border-color:#505050}[data-theme=dark] .reading-link>a{border-color:#828282}[data-theme=dark] .analogy-section{background:#353535;border-color:#4e4e4e}[data-theme=dark] .analogy-symbol{background:#4a4a4a;color:#c8c8c8}[data-theme=dark] .analogy-section p{color:#d3d3d3}[data-theme=dark] .example-line{background:#8d8d8d}[data-theme=dark] :is(.lab,.concept-figure){background:var(--diagram-surface);border-color:#4a4a4a}[data-theme=dark] :is(.figure-top,.figure-caption,.lab-footer,.lab-message){border-color:#4a4a4a}[data-theme=dark] :is(.figure-top .eyebrow,.figure-caption>svg){color:silver}[data-theme=dark] .figure-caption p{color:#cacaca}[data-theme=dark] .figure-caption strong{color:#e1e1e1}[data-theme=dark] .figure-caption.has-selection{background:#383838}[data-theme=dark] .concept-part{background:#363636;border-color:#626262;color:#ddd;box-shadow:0 3px #1f1f1f}[data-theme=dark] .part-icon{color:#c2c2c2}[data-theme=dark] .part-focus{background:#4a4a4a;border-color:#949494;box-shadow:0 4px #262626}[data-theme=dark] .part-focus .part-icon{color:#cfcfcf}[data-theme=dark] .part-artifact{background:#353535;border-bottom-color:#7c7c7c}[data-theme=dark] .part-decision{background:#3b3b3b;border-color:#818181;color:#d9d9d9;box-shadow:none}[data-theme=dark] .part-decision .part-icon{color:#bdbdbd}[data-theme=dark] .part-metric{background:#393939;border-color:#737373;color:#d8d8d8;box-shadow:none}[data-theme=dark] .part-metric .part-icon{color:#bbb}[data-theme=dark] .part-actor{background:transparent;border:none;box-shadow:none}[data-theme=dark] .part-actor .part-icon{background:#3f3f3f;border-color:#7f7f7f;color:#cdcdcd}[data-theme=dark] .part-actor small{color:#b9b9b9}[data-theme=dark] :is(.part-label,.part-label strong,.system-boundary>span){color:#c1c1c1;border-color:#707070}[data-theme=dark] .part-label{background:transparent;box-shadow:none;border-width:1px 0 0}[data-theme=dark] .system-boundary{background:#b0b0b008;border-color:#7b7b7b}[data-theme=dark] .part-usecase{background:#393939;border-color:#7f7f7f;box-shadow:none}[data-theme=dark] .part-selected{background:#525252!important;border-color:#c9c9c9!important;box-shadow:0 0 0 2px #c9c9c920!important}[data-theme=dark] .concept-part:hover{background:#4a4a4a;border-color:#adadad}[data-theme=dark] .react-flow__attribution{background:var(--diagram-surface)!important;color:#b9b9b9}[data-theme=dark] .choice-list>button.correct{background:#464646;border-color:#9e9e9e;color:#e1e1e1}[data-theme=dark] .choice-list>button.incorrect{background:#393939;border-color:#7d7d7d;color:#d5d5d5}[data-theme=dark] .track-blocks>i{background:#343434;border-color:#474747}[data-theme=dark] .track-blocks>i.filled{background:#535353;border-color:#7e7e7e}[data-theme=dark] .track-blocks>i.filled.revealed{background:#b3b3b3;border-color:#c4c4c4}[data-theme=dark] .track-blocks>i.risk.revealed{background:#757575;border-color:#a3a3a3}[data-theme=dark] .feedback-dot{color:#cdcdcd}[data-theme=dark] .kanban-card{box-shadow:0 2px #222}[data-theme=dark] .search-field{color:#c8c8c8}[data-theme=dark] .search-field input{color:#e6e6e6}[data-theme=dark] .search-field input::placeholder{color:#b1b1b1}[data-theme=dark] .hero-illustration{background-image:radial-gradient(#606060 1px,transparent 1px)}[data-theme=dark] .orbit{border-color:#4a4a4a}[data-theme=dark] .layer-back{background:#494949;border-color:#7f7f7f}[data-theme=dark] .layer-mid{background:#626262;border-color:#9c9c9c}[data-theme=dark] .layer-front{background:#3a3a3a;border-color:#9f9f9f;box-shadow:0 14px 25px #13131330}[data-theme=dark] .layer-front>span{color:#d4d4d4}[data-theme=dark] :is(.layer-front small,.ill-note small,.ill-index){color:#bebebe}[data-theme=dark] .stack-lines i{background:#828282}[data-theme=dark] .ill-note{background:#313131;border-color:#606060;color:#e6e6e6}[data-theme=dark] .ill-connector{border-color:#7e7e7e}[data-theme=dark] :is(.art-circle,.art-small-circle){background:#575757;border-color:#9c9c9c}[data-theme=dark] .art-square{background:#393939;border-color:#bababa}[data-theme=dark] .art-line{border-color:#9f9f9f}[data-theme=dark] .art-step{background:#515151;border-color:#a2a2a2;box-shadow:3px 4px #363636}[data-theme=dark] .s2{background:#656565}[data-theme=dark] .s3{background:#4a4a4a}[data-theme=dark] .s4{background:#6f6f6f}[data-theme=dark] .art-loop{border-color:#8c8c8c;box-shadow:0 0 0 1px #a8a8a8,inset 0 0 0 1px #a8a8a8}[data-theme=dark] .art-loop-dot{background:#535353;border-color:#a9a9a9}[data-theme=dark] .art-symbol{color:#c7c7c7}[data-theme=dark] .art-board{background:#464646;border-color:#a5a5a5;box-shadow:6px 6px #2e2e2e}[data-theme=dark] .art-board>div{border-color:#9c9c9c}[data-theme=dark] .art-board i{background:#6a6a6a;border-color:#a9a9a9}[data-theme=dark] .art-board>div:nth-child(3)>i{background:#666}[data-theme=dark] .art-document{background:#3b3b3b;border-color:#9e9e9e;box-shadow:5px 5px #272727}[data-theme=dark] .art-document i{background:#a5a5a5}[data-theme=dark] .art-document span{color:#b9b9b9}[data-theme=dark] .art-check{background:#545454;border-color:#a5a5a5;color:#cdcdcd}[data-theme=dark] .art-person{background:#5d5d5d;border-color:#a9a9a9}[data-theme=dark] .art-person:before{background:#3b3b3b;border-color:#a7a7a7}[data-theme=dark] .art-bubble{background:#434343;border-color:#a4a4a4;color:#c5c5c5}[data-theme=dark] .art-bridge{border-color:#a3a3a3}:root{color:#171717;background:#fafafa;--paper: #fafafa;--ink: #171717;--green: #171717;--muted: #666666;--border: #e0e0e0;--sage: #f4f4f4;--blue: #f4f4f4;--peach: #f4f4f4;--yellow: #f4f4f4;--rose: #f4f4f4;--lavender: #f4f4f4;--diagram-surface: #f5f5f5;--diagram-edge: #737373;--diagram-edge-muted: #a3a3a3;--diagram-label: #525252;--diagram-dot: #d4d4d4}:root[data-theme=dark]{color:#f5f5f5;background:#0a0a0a;--paper: #0a0a0a;--ink: #f5f5f5;--green: #e5e5e5;--muted: #a3a3a3;--border: #292929;--sage: #171717;--blue: #171717;--peach: #171717;--yellow: #171717;--rose: #171717;--lavender: #171717;--surface: #141414;--surface-raised: #1c1c1c;--surface-active: #292929;--text: #f5f5f5;--text-secondary: #c5c5c5;--text-muted: #a3a3a3;--accent: #e5e5e5;--diagram-surface: #141414;--diagram-edge: #a3a3a3;--diagram-edge-muted: #737373;--diagram-label: #d4d4d4;--diagram-dot: #303030}.sidebar{background:#f3f3f3}.button-primary,.brand-mark{background:#171717;color:#fafafa;border-color:#171717}.button-primary:hover{background:#333}.serif-line,.brand-period{color:#525252}.chapter-card{border-color:#dedede;background:#f7f7f7}.chapter-card:hover{border-color:#737373;box-shadow:0 6px 20px #17171708}.chapter-nav-number,.resource-number{background:transparent}.nav-item.selected{background:#e4e4e4;color:#171717}.topic-nav :is(button,a).active{color:#171717}.analogy-section{background:#f0f0f0;border-color:#dedede}.reading-link,.lab,.concept-figure{background:var(--diagram-surface);border-color:var(--border)}.part-focus{background:#e5e5e5;border-color:#8a8a8a;box-shadow:0 3px #d4d4d4}.part-metric{background:#eee;border-color:#a3a3a3}.part-decision{background:#fafafa;border-color:#8a8a8a}.figure-caption.has-selection{background:#eaeaea}.diagram-parts{padding-top:14px;border-top:1px solid var(--border)}.diagram-parts button{background:transparent;border-color:#c8c8c8;color:#525252}.diagram-parts button[aria-pressed=true]{background:#171717;border-color:#171717;color:#fafafa}.part-selected{background:#dedede!important;border-color:#171717!important;box-shadow:0 0 0 1px #171717!important}.choice-list>button.correct{border-style:solid;border-color:#525252}.choice-list>button.incorrect{border-style:dashed;border-color:#737373}[data-theme=dark] :is(.sidebar,.search-dialog){background:#101010}[data-theme=dark] :is(.button-primary,.brand-mark){background:#f5f5f5;color:#171717;border-color:#f5f5f5}[data-theme=dark] .button-primary:hover{background:#d4d4d4}[data-theme=dark] .chapter-card{background:#141414;border-color:#303030}[data-theme=dark] .chapter-card:hover{border-color:#737373}[data-theme=dark] .analogy-section{background:#191919;border-color:#333}[data-theme=dark] .reading-link{background:#171717;border-color:#333}[data-theme=dark] .concept-part{background:#1c1c1c;border-color:#525252}[data-theme=dark] .part-focus{background:#303030;border-color:#737373}[data-theme=dark] .part-decision{background:#1c1c1c;border-color:#737373}[data-theme=dark] .part-metric{background:#252525;border-color:#626262}[data-theme=dark] .part-actor,[data-theme=dark] .part-label{background:transparent}[data-theme=dark] .figure-caption.has-selection{background:#252525}[data-theme=dark] .diagram-parts button[aria-pressed=true]{background:#f5f5f5;border-color:#f5f5f5;color:#171717}[data-theme=dark] .part-selected{background:#383838!important;border-color:#e5e5e5!important;box-shadow:0 0 0 1px #e5e5e5!important}[data-theme=dark] .choice-list>button.correct{background:#303030;border-color:#a3a3a3}[data-theme=dark] .choice-list>button.incorrect{background:#1c1c1c;border-color:#737373}@media(max-width:700px){.diagram-parts{padding-top:12px}}:root:not([data-theme=dark]) :is(.eyebrow,.sidebar-label,.course-code span,.breadcrumbs>span,.back-link,.edition,.hero-copy>p,.chapter-card>p,.chapter-card-footer span,.chapter-meta span,.lesson-row p,.lesson-row h3,.lesson-index,.lesson-slides,.topic-nav :is(a,button),.topic-pending,.topic-pending small,.topic-pagination :is(a,button)>span,.topic-aside>a,.figure-top>span,.figure-caption p,.lab>p,.lab-note,.lab-footer p,.lab-message,.track>span,.segmented button,.choice-letter,.takeaways>div>span,.analogy-section p,.example-body p,.answer-explanation,.cite-chip,.origin-tag,.block-label,.block-table caption,.block-table thead th,.block-math figcaption,.block-code figcaption,.block-figure figcaption,.graph-text>summary,.evidence header span,.evidence-missing,.topic-title>p,.topic-aside>a>span,.topic-pagination a,.graph-text h4,.kanban-board h4,.kanban-board h4>span,.kanban-card>small,.code-top>span,.react-flow__attribution a,.search-footer,.search-footer>span,.search-empty){color:#666}.react-flow__attribution{background:#fafafae6!important}:root:not([data-theme=dark]) .cite-chip{border-color:#b8b8b8}:root:not([data-theme=dark]) .lesson-row-pending{opacity:1}:root:not([data-theme=dark]) .lesson-row-pending :is(h3,p,.lesson-index,.lesson-slides){color:#6e6e6e}[data-theme=dark] :is(.block-table thead th,.block-table caption,.lesson-row-pending :is(h3,p,.lesson-index,.lesson-slides),.topic-pending,.topic-pending small,.lab-note,.graph-text>summary,.evidence header span,.graph-text h4,.code-top>span,.react-flow__attribution a){color:#9a9a9a}[data-theme=dark] .react-flow__attribution{background:#0a0a0ad9!important}[data-theme=dark] .lesson-row-pending{opacity:1}.kanban-board h4>span{opacity:1!important}:root:not([data-theme=dark]) .kanban-board h4>span{color:#555}
