@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(../media/258bd0ab5fdd762a-s.3bz3aq452sydg.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(../media/99a2019bdfa8519b-s.2sb9jzhmrh7ny.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(../media/44e0cb21b0d052b7-s.343obqi851wr5.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(../media/f9cd5a77d065db98-s.40kcwrf1wub16.woff2)format("woff2");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:JetBrains Mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(../media/954d21e04331b2ae-s.200l3jur7oygh.woff2)format("woff2");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-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(../media/53897e768d329f66-s.p.269kn9uafm0ti.woff2)format("woff2");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:JetBrains Mono Fallback;src:local(Arial);ascent-override:75.79%;descent-override:22.29%;line-gap-override:0.0%;size-adjust:134.59%}.BVULza_className{font-family:JetBrains Mono,JetBrains Mono Fallback;font-style:normal}.BVULza_variable{--font-jetbrains:"JetBrains Mono", "JetBrains Mono Fallback"}
@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.3dqqgop8d9q74.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.3s3485bbs_y9t.woff)format("woff"),url(../media/KaTeX_AMS-Regular.06540o8ttgt08.ttf)format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.0x398dszol8ix.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.0i0ys3pk95qm_.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.071y7fj7dknco.ttf)format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.3ittfn7d21b9w.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3-a7ahrnv-1p0.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.2a29kziuqmcwj.ttf)format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.3rq09ohrtely_.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1m6-2-v71aefh.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.2c272neyw5p5h.ttf)format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.1jvgec053-2og.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.1pa447q_ni5m2.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.0_16ta522mcvb.ttf)format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.22wkahef0u3fd.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.1fyzqvxw_mkks.woff)format("woff"),url(../media/KaTeX_Main-Bold.3q46h05c4j0cw.ttf)format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.40drhxm0mwrzz.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.0g_mm5w89az4z.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.2r19jqj9qb5v7.ttf)format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.1ck6crdmp78cu.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.3h-lyz6-tj-5j.woff)format("woff"),url(../media/KaTeX_Main-Italic.07vrczmwpvimc.ttf)format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.29zz7337tzymc.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.0r86ux5c2_9jc.woff)format("woff"),url(../media/KaTeX_Main-Regular.0cm4nk2aib81i.ttf)format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.0u_6s571--hh0.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.1-f92ydojzao_.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0m2qm2_orz99k.ttf)format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.18dmviy-uianu.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.2d-roszuwfrpn.woff)format("woff"),url(../media/KaTeX_Math-Italic.1vw7gcigzv33_.ttf)format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.19n5ohjzvq40z.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ad0dh55v7-4h.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.3ojskmd7zv_b8.ttf)format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.38w085lqrghwm.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.0_21g6aey40vy.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.0abd80e_ako5h.ttf)format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.3w8wtfek3qsk6.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.0v2olaztuqa1v.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.0xkeldfcfvj58.ttf)format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.10h737unm2jp7.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.2m7-0wua2lvnq.woff)format("woff"),url(../media/KaTeX_Script-Regular.1hw1d7omwtnoy.ttf)format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.3xype_vsmmjgw.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.3aliq3yd-ja9b.woff)format("woff"),url(../media/KaTeX_Size1-Regular.44z_qgcc9t0a_.ttf)format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.2-wakugslvf3a.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.3u0df62zf5guy.woff)format("woff"),url(../media/KaTeX_Size2-Regular.3eprswoc9v3fh.ttf)format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1nfuh3l6nzhjv.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.3n7wm08wz2r2g.woff)format("woff"),url(../media/KaTeX_Size3-Regular.2kp2izz6g7r-7.ttf)format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.13pyt7zi482pb.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.37jvrh2wknf5u.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2ltjhs9xhaefy.ttf)format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.2vfnlegjq9l42.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.0xi5kyeeydv4z.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.34aedpl-_o3h3.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.22"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--white:#fff;--sky:#7e89e6;--blue:#2537d5;--black:#000;--spectrum:linear-gradient(90deg, #fff 0%, #7e89e6 30%, #2537d5 62%, #000 100%);--bg:#000;--panel:#05060d;--panel-2:#0a0c1a;--panel-3:#111430;--line:#7e89e629;--line-2:#7e89e64d;--line-3:#7e89e68c;--text:#fff;--text-2:#ffffffc2;--muted:#ffffff8f;--faint:#ffffff57;--accent:var(--blue);--accent-hi:#3a4cf0;--glow:#2537d573;--sky-dim:#7e89e624;--gain:#6ee7b7;--loss:#ff6b81;--gain-dim:#6ee7b71f;--loss-dim:#ff6b811f;--font-sans:"Satoshi", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:var(--font-jetbrains), ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--gutter:clamp(16px, 3.2vw, 56px);--shell-h:64px;--r-sm:6px;--r-md:10px;--r-lg:16px}*,:before,:after{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;margin:0;padding:0;font-size:16px;line-height:1.55;overflow-x:clip}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}::selection{background:var(--blue);color:var(--white)}:focus-visible{outline:2px solid var(--sky);outline-offset:2px;border-radius:4px}h1,h2,h3,h4{letter-spacing:-.035em;margin:0;font-weight:700;line-height:1.05}p{margin:0}.mono,.num{font-family:var(--font-mono);font-feature-settings:"tnum" 1;letter-spacing:-.01em}.tag{font-family:var(--font-mono);color:var(--sky);letter-spacing:0;font-size:13px}.tag:before{content:"// ";color:var(--faint)}.gain{color:var(--gain)}.loss{color:var(--loss)}.muted{color:var(--muted)}.faint{color:var(--faint)}.sky{color:var(--sky)}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.grid-bg{background-color:var(--bg);background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);background-position:-1px -1px;background-size:32px 32px}.dots-bg{background-color:var(--bg);background-image:radial-gradient(#7e89e638 1px,#0000 1.2px);background-size:22px 22px}.ticks{position:relative}.ticks:before,.ticks:after{content:"";pointer-events:none;border-color:var(--line-3);border-style:solid;width:10px;height:10px;position:absolute}.ticks:before{border-width:1px 0 0 1px;top:-1px;left:-1px}.ticks:after{border-width:0 1px 1px 0;bottom:-1px;right:-1px}.spectrum-bar{background:var(--spectrum);height:2px}.btn{border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--panel-2);height:42px;color:var(--text);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:10px;padding:0 18px;font-size:15px;font-weight:600;transition:background .14s,border-color .14s,color .14s,box-shadow .14s;display:inline-flex}.btn:hover{border-color:var(--line-3);background:var(--panel-3)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--blue);border-color:var(--blue);color:var(--white);box-shadow:0 0 0 0 var(--glow), inset 0 1px 0 #ffffff2e}.btn-primary:hover:not(:disabled){background:var(--accent-hi);border-color:var(--accent-hi);box-shadow:0 0 28px -4px var(--glow), inset 0 1px 0 #fff3}.btn-white{background:var(--white);border-color:var(--white);color:var(--black)}.btn-white:hover:not(:disabled){background:#e6e8fb;border-color:#e6e8fb}.btn-ghost{color:var(--text-2);background:0 0;border-color:#0000}.btn-ghost:hover:not(:disabled){background:var(--panel-2);color:var(--text);border-color:#0000}.btn-danger:hover:not(:disabled){border-color:var(--loss);color:var(--loss);background:var(--loss-dim)}.btn-lg{border-radius:var(--r-md);height:52px;padding:0 26px;font-size:17px}.btn-sm{height:34px;padding:0 12px;font-size:14px}.btn .arrow{font-family:var(--font-mono);transition:transform .14s}.btn:hover .arrow{transform:translate(3px)}.field{gap:7px;display:grid}.field>span{color:var(--muted);font-size:13.5px}.input,.select{border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--panel);width:100%;height:42px;color:var(--text);outline:none;padding:0 12px;font-size:15px;transition:border-color .14s,box-shadow .14s}.input:focus,.select:focus{border-color:var(--sky);box-shadow:0 0 0 3px var(--sky-dim)}.input:disabled,.select:disabled{color:var(--faint);cursor:not-allowed}.input.num{font-size:14.5px}.select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--sky) 50%), linear-gradient(135deg, var(--sky) 50%, transparent 50%);background-position:calc(100% - 17px) 18px,calc(100% - 12px) 18px;background-repeat:no-repeat;background-size:5px 5px;padding-right:32px}.select option{background:var(--panel-2)}input[type=date].input::-webkit-calendar-picker-indicator{filter:invert(.75)sepia()hue-rotate(190deg)saturate(3)}.seg{border-radius:var(--r-sm);background:var(--panel);border:1px solid var(--line-2);gap:2px;padding:3px;display:inline-flex}.seg button{height:34px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:4px;padding:0 14px;font-size:14px;font-weight:600}.seg button[aria-pressed=true]{background:var(--blue);color:var(--white)}.seg button:disabled{cursor:not-allowed}.pill{height:26px;color:var(--text-2);background:var(--panel-2);border:1px solid var(--line);white-space:nowrap;border-radius:999px;align-items:center;gap:7px;padding:0 10px;font-size:13px;font-weight:600;display:inline-flex}.pill.blue{color:var(--white);background:var(--blue);border-color:var(--blue)}.pill.sky{color:var(--sky);background:var(--sky-dim);border-color:#0000}.pill.gain{color:var(--gain);background:var(--gain-dim);border-color:#0000}.pill.loss{color:var(--loss);background:var(--loss-dim);border-color:#0000}.dot{background:currentColor;border-radius:1px;width:7px;height:7px}.dot.pulse{animation:1.4s steps(2,jump-none) infinite pulse}@keyframes pulse{50%{opacity:.2}}.spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:15px;height:15px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}.scramble-pre{opacity:0;animation:.4s ease-out 1.2s forwards scramble-failsafe}@keyframes scramble-failsafe{to{opacity:1}}@media (prefers-reduced-motion:reduce){.scramble-pre{opacity:1;animation:none}}
.shell{flex-direction:column;min-height:100vh;display:flex}.topbar{z-index:30;height:var(--shell-h);padding:0 var(--gutter);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#000000d1;align-items:center;gap:28px;display:flex;position:sticky;top:0}.topbar .spacer{flex:1}.logo{letter-spacing:-.05em;color:var(--white);flex-shrink:0;align-items:center;gap:10px;font-size:22px;font-weight:700;display:inline-flex}.mainnav{flex-shrink:0;gap:4px;display:flex}.mainnav a{border-radius:var(--r-sm);color:var(--muted);padding:8px 14px;font-size:15.5px;font-weight:600;position:relative}.mainnav a:hover,.mainnav a[aria-current=page]{color:var(--white)}.mainnav a[aria-current=page]:after{content:"";background:var(--sky);height:2px;position:absolute;bottom:-13px;left:14px;right:14px}.who{color:var(--muted);align-items:center;gap:10px;font-size:14px;display:flex}.skillbits{color:var(--text-2);align-items:center;gap:10px;font-size:13.5px;display:inline-flex}.skillbits-cells{gap:3px;display:inline-flex}.skillbits-cells i{background:var(--panel-3);border:1px solid var(--line);width:7px;height:14px}.skillbits-cells i.on{background:var(--sky);border-color:var(--sky);box-shadow:0 0 8px #7e89e699}.boot{min-height:50vh}.page{width:100%;padding:48px var(--gutter) 96px}.page-head{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px;display:flex}.page-head h1{margin-top:10px;font-size:clamp(36px,4.4vw,60px)}.page-head p{color:var(--text-2);max-width:62ch;margin-top:12px;font-size:18px}.link-btn{color:var(--sky);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px;font-weight:600}.link-btn:hover{color:var(--white)}.rows{border-top:1px solid var(--line)}.row{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,2.2fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1fr) 140px 28px;align-items:center;gap:24px;padding:20px 12px;transition:background .14s;display:grid}a.row:hover{background:linear-gradient(90deg,#2537d524,#0000 70%)}.row-title{letter-spacing:-.02em;font-size:19px;font-weight:700}.row-sub{color:var(--muted);margin-top:2px;font-size:14px;display:block}.row-head{color:var(--faint);font-family:var(--font-mono);border-bottom:0;padding:0 12px 12px;font-size:12.5px}.row .arrow{font-family:var(--font-mono);color:var(--sky)}.row-flag{color:var(--sky);margin-left:10px}.group-title{margin:48px 0 14px}.empty{border:1px solid var(--line);border-radius:var(--r-lg);background:radial-gradient(120% 140% at 100% 0%, #2537d538, transparent 60%), var(--panel);padding:56px clamp(24px,4vw,56px);position:relative;overflow:hidden}.empty h2{margin-bottom:10px;font-size:30px}.empty p{color:var(--text-2);max-width:56ch;margin-bottom:24px;font-size:17px}.scrim{z-index:60;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000004b8;place-items:center;padding:16px;animation:.14s ease-out fade;display:grid;position:fixed;inset:0}.dialog{background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-lg);width:min(620px,100%);max-height:calc(100vh - 32px);padding:32px;overflow:auto;box-shadow:0 40px 120px #2537d540}.dialog h2{margin-bottom:10px;font-size:26px}.dialog p{color:var(--text-2);margin-bottom:18px}.dialog-actions{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}@keyframes fade{0%{opacity:0}}.choice{text-align:left;border-radius:var(--r-md);border:1px solid var(--line);background:var(--panel-2);cursor:pointer;gap:4px;width:100%;padding:16px 18px;transition:border-color .14s,background .14s;display:grid}.choice:hover{border-color:var(--sky);background:var(--panel-3)}.choice strong{font-size:17px}.choice span{color:var(--muted);font-size:14.5px}.notes{border-radius:var(--r-md);border:1px solid var(--line);background:var(--line);gap:1px;display:grid;overflow:hidden}.note{background:var(--panel);color:var(--text-2);grid-template-columns:14px 1fr;gap:12px;padding:12px 16px;font-size:15px;display:grid}.note:before{content:"";background:var(--faint);width:7px;height:7px;margin-top:8px}.note.warn:before{background:var(--sky)}.note.danger:before{background:var(--loss)}.note.danger{color:var(--white)}.error-line{color:var(--loss);font-size:15px}.stats{background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;display:grid;overflow:hidden}.stat{background:var(--panel);min-width:0;padding:14px 16px}.stat .k{font-family:var(--font-mono);color:var(--muted);font-size:12.5px}.stat .v{font-family:var(--font-mono);letter-spacing:-.03em;white-space:nowrap;margin-top:4px;font-size:22px}.stat .s{color:var(--faint);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:13px;overflow:hidden}.table-wrap{overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:14.5px}.table th{text-align:left;font-family:var(--font-mono);color:var(--faint);border-bottom:1px solid var(--line);padding:8px 10px;font-size:12.5px;font-weight:500}.table td{border-bottom:1px solid var(--line);font-family:var(--font-mono);white-space:nowrap;padding:10px;font-size:14px}.table td.text{font-family:var(--font-sans);white-space:normal;font-size:15px}.table th.r,.table td.r{text-align:right}.section-title{color:var(--text);letter-spacing:-.01em;margin:0 0 12px;font-size:15px;font-weight:700}.code-block{border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);font-family:var(--font-mono);color:var(--text-2);white-space:pre;margin:0;padding:18px 20px;font-size:14px;line-height:1.75;overflow-x:auto}
.course-hero{padding:clamp(48px, 7vw, 112px) var(--gutter) 56px;border-bottom:1px solid var(--line);background:radial-gradient(70% 90% at 85% 0,#2537d547,#0000 70%);grid-template-columns:minmax(0,1fr) minmax(320px,420px);align-items:end;gap:clamp(32px,5vw,96px);display:grid;position:relative;overflow:hidden}.course-hero-bits{opacity:.55;pointer-events:none;position:absolute;inset:0 0 0 45%;-webkit-mask-image:linear-gradient(90deg,#0000,#000 40% 70%,#0000);mask-image:linear-gradient(90deg,#0000,#000 40% 70%,#0000)}.course-hero-text{position:relative}.course-hero h1{letter-spacing:-.055em;max-width:13ch;margin-top:18px;font-size:clamp(44px,6.6vw,104px);font-weight:900;line-height:.95}.course-hero p{max-width:56ch;color:var(--text-2);margin-top:24px;font-size:19px}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:32px;display:flex}.skills-card{border:1px solid var(--line-2);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#05060dd9;padding:22px;position:relative}.skills-head{justify-content:space-between;align-items:baseline;font-size:22px;display:flex}.skills-bar{background:var(--panel-3);height:4px;margin:14px 0 16px}.skills-bar span{background:var(--spectrum);height:100%;transition:width .6s;display:block}.skills-card ul{gap:6px;margin:0;padding:0;list-style:none;display:grid}.skills-card li{color:var(--faint);align-items:center;gap:12px;font-size:15px;display:flex}.skills-card li.on{color:var(--white)}.skills-card li.next{color:var(--sky)}.skill-bit{width:20px;height:20px;font-family:var(--font-mono);border:1px solid var(--line-2);place-items:center;font-size:12px;display:grid}.on .skill-bit{background:var(--blue);border-color:var(--blue);color:var(--white)}.skills-card>p{margin-top:14px;font-size:14px}.roadmap{padding:0 var(--gutter) 120px}.module{border-bottom:1px solid var(--line);grid-template-columns:minmax(260px,.8fr) minmax(0,2fr);gap:clamp(24px,4vw,72px);padding:48px 0;display:grid;position:relative}.module-meta{align-items:flex-start;gap:20px;display:flex}.module-n{letter-spacing:-.06em;color:#0000;-webkit-text-stroke:1px var(--sky);font-size:clamp(40px,4.4vw,64px);line-height:.9}.module.is-done .module-n{color:var(--blue);-webkit-text-stroke:0}.module-meta h2{font-size:clamp(24px,2.4vw,34px)}.module-meta p{color:var(--text-2);max-width:40ch;margin-top:8px;font-size:16px}.module-count{margin-top:12px;font-size:13px;display:block}.track{grid-template-columns:repeat(4,minmax(0,1fr));align-content:start;margin:0;padding:0 0 0 1px;list-style:none;display:grid}.stop{border:1px solid var(--line);margin-left:-1px;position:relative}.stop>a,.stop>div{grid-template-columns:auto 1fr;grid-template-areas:"status n""title title""skill skill";gap:10px 12px;height:100%;padding:20px;transition:background .16s;display:grid}.stop>a:hover{background:linear-gradient(160deg,#2537d559,#0000 80%)}.stop-status{border:1px solid var(--line-2);width:24px;height:24px;color:var(--faint);grid-area:status;place-items:center;font-size:12px;display:grid}.stop-n{color:var(--muted);grid-area:n;align-self:center;font-size:13px}.stop-title{letter-spacing:-.02em;grid-area:title;font-size:19px;font-weight:700;line-height:1.2}.stop-skill{font-family:var(--font-mono);color:var(--sky);grid-area:skill;font-size:12.5px}.stop.is-done .stop-status{background:var(--blue);border-color:var(--blue);color:var(--white)}.stop.is-next{box-shadow:inset 0 0 0 1px var(--blue);background:linear-gradient(160deg,#2537d580,#2537d50d 80%)}.stop.is-next .stop-status{border-color:var(--white);color:var(--white);animation:1.4s steps(2,jump-none) infinite pulse}.stop.is-locked,.stop.is-locked .stop-skill{color:var(--faint)}.module.is-soon .track{opacity:.45}.module-soon{opacity:.35;pointer-events:none;width:60%;height:50%;position:absolute;bottom:0;right:0;-webkit-mask-image:linear-gradient(#0000,#000);mask-image:linear-gradient(#0000,#000)}.lesson{height:calc(100vh - var(--shell-h));grid-template-columns:minmax(380px,.85fr) minmax(0,1.4fr);min-height:640px;display:grid}.lesson-text{border-right:1px solid var(--line);background:linear-gradient(#2537d51a,#0000 360px);padding:36px clamp(24px,3vw,48px) 80px;overflow-y:auto}.lesson-crumbs{align-items:center;gap:18px;font-size:14.5px;font-weight:600;display:flex}.lesson-text h1{letter-spacing:-.05em;margin-top:22px;font-size:clamp(34px,3.4vw,52px);font-weight:900;line-height:1}.lesson-skill{flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:14px;display:flex}.lesson-body{color:var(--text-2);gap:16px;max-width:62ch;margin-top:28px;font-size:17.5px;line-height:1.65;display:grid}.lesson-key{border-left:3px solid var(--blue);color:var(--white);background:linear-gradient(90deg,#2537d538,#0000);padding:16px 18px;font-weight:500}.figure{border:1px solid var(--line);background:var(--panel);margin:4px 0;padding:16px}.figure svg{width:100%;height:auto;display:block}.task{border:1px solid var(--line-2);background:var(--panel);margin-top:32px;padding:22px}.task-text{margin-top:10px;font-size:17px;font-weight:600;line-height:1.5}.checklist{gap:10px;margin:18px 0 0;padding:0;list-style:none;display:grid}.checklist li{color:var(--muted);align-items:flex-start;gap:12px;font-size:15.5px;display:flex}.check-box{border:1px solid var(--line-3);width:22px;height:22px;font-family:var(--font-mono);color:var(--faint);flex-shrink:0;place-items:center;font-size:12px;transition:background .2s,color .2s;display:grid}.checklist li.ok{color:var(--white)}.checklist li.ok .check-box{background:var(--blue);border-color:var(--blue);color:var(--white);box-shadow:0 0 12px var(--glow)}.quiz{gap:18px;margin-top:24px;display:grid}.question{border:0;gap:10px;margin:0;padding:0;display:grid}.question legend{margin-bottom:10px;font-size:16.5px;font-weight:700}.question:disabled .options{opacity:.4}.options{flex-wrap:wrap;gap:8px;display:flex}.option{border:1px solid var(--line-2);border-radius:var(--r-sm);cursor:pointer;align-items:center;gap:8px;padding:10px 14px;font-size:15px;display:inline-flex}.option input{accent-color:var(--blue)}.option.right{border-color:var(--sky);background:#2537d54d}.option.wrong{border-color:var(--loss);background:var(--loss-dim)}.question p{font-size:14.5px}.lesson-finish{flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px;display:flex}.lesson-work{flex-direction:column;min-width:0;min-height:0;display:flex}.lesson-editor{flex-direction:column;flex:auto;min-height:52%;display:flex}.lesson-tools{border-top:1px solid var(--line);background:var(--panel);flex:0 auto;grid-template-columns:minmax(0,1fr);align-content:start;gap:16px;min-height:0;max-height:48%;padding:20px 24px 40px;display:grid;overflow-y:auto}.unlock{z-index:80;background:#000;place-items:center;animation:.3s ease-out fade;display:grid;position:fixed;inset:0}.unlock-field{opacity:.9;position:absolute;inset:0}.unlock-card{text-align:center;border:1px solid var(--line-3);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000d1;justify-items:center;gap:14px;max-width:min(640px,92vw);padding:40px 48px;display:grid;position:relative}.unlock-card h2{letter-spacing:-.05em;font-size:clamp(36px,5vw,64px);font-weight:900}.unlock-card p{color:var(--text-2);font-size:17px}@media (max-width:760px){.track{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:1080px){.course-hero,.module{grid-template-columns:1fr}.course-hero-bits{inset:0}.lesson{grid-template-columns:1fr;height:auto}.lesson-text{border-right:0;overflow:visible}.lesson-work{border-top:1px solid var(--line)}.lesson-editor{flex:none;height:70vh}.lesson-tools{overflow:visible}}
.py .py-k{color:var(--sky);font-weight:600}.py .py-f{color:var(--white);font-weight:600}.py .py-n{color:#a9b1ff}.py .py-s{color:#c9cdf7}.py .py-c{color:var(--faint);font-style:italic}.py .py-v{color:#e6e8fb}.py .py-ln{color:#7e89e666;-webkit-user-select:none;user-select:none;width:2.2em;display:inline-block}.landing{min-height:100vh}.hero{isolation:isolate;grid-template-rows:auto 1fr;min-height:min(100vh,980px);display:grid;position:relative;overflow:hidden}.hero-field{z-index:-1;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#0000 18%,#0000008c 46%,#000 70%);mask-image:linear-gradient(90deg,#0000 18%,#0000008c 46%,#000 70%)}.hero-field:after{content:"";background:linear-gradient(#0000 70%,#000 100%);position:absolute;inset:0}.landing-bar{-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border-bottom-color:#0000;position:relative}.landing-bar .skillbits,.landing-bar .account-actions,.landing-bar .account-chip{-webkit-backdrop-filter:blur(10px);background:#0000009e;border:1px solid #ffffff1f}.landing-bar .skillbits{border-radius:var(--r-sm);height:42px;color:var(--white);white-space:nowrap;padding:0 14px}.landing-bar .account-actions{border-radius:calc(var(--r-sm) + 3px);padding:3px}.landing-bar .account-chip,.landing-bar .account-actions .btn-ghost{color:var(--white)}.hero-body{padding:40px var(--gutter) 96px;align-self:center;max-width:1100px}.hero h1{letter-spacing:-.06em;max-width:9ch;margin-top:22px;font-size:clamp(56px,10.5vw,176px);font-weight:900;line-height:.88}.hero-sub{max-width:50ch;color:var(--text-2);margin-top:32px;font-size:clamp(18px,1.5vw,21px);line-height:1.55}.hero-meta{color:var(--sky);margin-top:28px;font-size:14px}.hero-code{right:var(--gutter);border:1px solid var(--line-3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#000000c7;width:min(420px,34vw);position:absolute;bottom:56px}.hero-code-bar{border-bottom:1px solid var(--line-2);color:var(--muted);justify-content:space-between;align-items:center;padding:10px 14px;font-size:13px;display:flex}.hero-code-body{font-family:var(--font-mono);white-space:pre;margin:0;padding:16px 14px 18px 6px;font-size:14px;line-height:1.75;overflow-x:auto}.band{padding:clamp(80px, 10vw, 140px) var(--gutter) 0}.band-head{gap:18px;margin-bottom:48px;display:grid}.band h2{letter-spacing:-.05em;max-width:20ch;font-size:clamp(34px,4.6vw,72px);font-weight:800;line-height:.98}.lp-modules{border-top:1px solid var(--line-2);grid-template-columns:repeat(6,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.lp-modules>li{border-right:1px solid var(--line);align-content:start;gap:10px;padding:26px 22px 30px;transition:background .2s;display:grid;position:relative}.lp-modules>li:first-child{padding-left:0}.lp-modules>li:last-child{border-right:0}.lp-modules>li:hover{background:linear-gradient(#2537d538,#0000)}.lp-modules>li:before{content:"";background:var(--blue);transform-origin:0;height:2px;transition:transform .3s;position:absolute;top:-1px;left:0;right:0;transform:scaleX(0)}.lp-modules>li:hover:before{transform:scaleX(1)}.lp-n{letter-spacing:-.06em;color:#0000;-webkit-text-stroke:1px var(--sky);font-size:44px;line-height:1}.lp-modules h3{font-size:22px}.lp-modules p{color:var(--muted);font-size:15px}.lp-modules ul li:before{content:"";background:var(--blue);width:5px;height:5px;margin:0 10px 2px 0;display:inline-block}.lp-modules ul{color:var(--text-2);gap:6px;margin:8px 0 0;padding:0;font-size:14.5px;list-style:none;display:grid}.lp-modules .is-soon{opacity:.45}.twin{border:1px solid var(--line-2);grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);display:grid}.twin-pane{min-width:0;padding:48px 32px 32px;position:relative}.twin-pane+.twin-pane{border-left:1px solid var(--line-2)}.twin-label{color:var(--sky);font-size:13px;position:absolute;top:14px;left:16px}.twin-flow{pointer-events:none;display:flex;overflow-x:auto}.twin-flow .flow{padding:24px 0 8px}.twin-flow .flow-link{min-height:34px}.twin-code{background:radial-gradient(80% 80% at 100% 0%, #2537d547, transparent 70%), var(--panel);align-content:center;gap:18px;display:grid}.twin-code .code-block{color:var(--white);background:0 0;border:0;padding:0;font-size:15.5px}.twin-note{color:var(--muted);max-width:46ch;font-size:15px}.reel{margin:0 0 56px}.reel-frame{border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);height:clamp(220px,26vw,360px);position:relative}.reel-frame svg{width:100%;height:100%;display:block;overflow:visible}.reel-grid{stroke:var(--line);stroke-width:1px;vector-effect:non-scaling-stroke}.reel-seam{stroke:var(--line-3);stroke-width:1px;stroke-dasharray:3 5;vector-effect:non-scaling-stroke}.reel-line{fill:none;stroke-width:2.5px;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:1px}.reel-build{stroke:var(--white);animation:1.7s cubic-bezier(.55,.1,.35,1) .3s forwards draw}.reel-locked{stroke:var(--loss);stroke-dashoffset:0}.reel-live{stroke:var(--sky);animation:.9s linear 3.1s forwards draw}.reel-curtain{transform-box:fill-box;transform-origin:top;animation:.9s cubic-bezier(.7,0,.3,1) 2.15s forwards lift}.reel-hem{stroke:var(--blue);stroke-width:3px;vector-effect:non-scaling-stroke}.reel-now{background:var(--sky);width:10px;height:10px;box-shadow:0 0 0 5px #7e89e640, 0 0 18px var(--sky);opacity:0;margin:-5px 0 0 -5px;animation:.3s ease-out 4s forwards appear,1.4s steps(2,jump-none) 4.3s infinite pulse;position:absolute}@keyframes draw{to{stroke-dashoffset:0}}@keyframes lift{to{transform:scaleY(0)}}@keyframes appear{to{opacity:1}}.reel-captions{padding-top:16px;display:flex}.reel-captions>div{align-content:start;gap:2px;min-width:0;padding-right:12px;display:grid}.reel-cap-locked,.reel-cap-live{opacity:0;padding-left:12px;animation:.5s ease-out forwards appear}.reel-cap-locked{animation-delay:2.9s}.reel-cap-live{animation-delay:3.9s}.reel-label{font-family:var(--font-mono);color:var(--sky);font-size:13px}.reel-value{letter-spacing:-.04em;font-size:clamp(22px,2.4vw,34px)}.reel-note{color:var(--faint);font-size:14px}@media (prefers-reduced-motion:reduce){.reel-line{stroke-dashoffset:0;animation:none}.reel-curtain{display:none}.reel-now,.reel-cap-locked,.reel-cap-live{opacity:1;animation:none}}.refusals{border-top:1px solid var(--line-2);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.refusal{align-content:start;gap:10px;padding:26px 24px 0 0;display:grid}.refusal+.refusal{border-left:1px solid var(--line);padding-left:24px}.refusal s{letter-spacing:-.03em;color:var(--faint);-webkit-text-decoration-color:var(--blue);text-decoration-color:var(--blue);font-size:22px;font-weight:700;line-height:1.15;text-decoration-thickness:3px}.refusal p{color:var(--text-2);font-size:16px}.outro{isolation:isolate;border-top:1px solid var(--line);place-items:center;min-height:520px;margin-top:clamp(96px,12vw,160px);display:grid;position:relative;overflow:hidden}.outro-field{z-index:-2;position:absolute;inset:0}.outro-bits{z-index:-1;opacity:.6;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 60%);mask-image:linear-gradient(#000,#0000 60%)}.outro-body{text-align:center;padding:64px var(--gutter);justify-items:center;gap:18px;display:grid}.outro h2{letter-spacing:-.06em;text-shadow:0 2px 30px #000;font-size:clamp(40px,6vw,96px);font-weight:900;line-height:.95}.outro p{color:var(--white);text-shadow:0 1px 12px #000;font-size:19px}.footer{padding:28px var(--gutter) 40px;border-top:1px solid var(--line);color:var(--faint);justify-content:space-between;align-items:center;gap:24px;font-size:14px;display:flex}.footer p{text-align:right;max-width:64ch}@media (max-width:1180px){.lp-modules{grid-template-columns:repeat(3,minmax(0,1fr))}.lp-modules>li{border-bottom:1px solid var(--line)}.lp-modules>li:nth-child(3n+1){padding-left:0}.refusals{grid-template-columns:repeat(2,minmax(0,1fr))}.refusal:nth-child(3){border-left:0;padding-left:0}.hero-code,.landing-bar .skillbits-cells{display:none}}@media (max-width:1040px){.landing-bar .mainnav{display:none}}@media (max-width:760px){.landing-bar .mainnav,.landing-bar .btn-ghost{display:none}.hero-field{opacity:.8;-webkit-mask-image:linear-gradient(#0000 20%,#000 80%);mask-image:linear-gradient(#0000 20%,#000 80%)}.lp-modules,.refusals,.twin{grid-template-columns:1fr}.lp-modules>li{border-right:0;padding-left:0}.refusal,.refusal+.refusal{border-left:0;border-bottom:1px solid var(--line);padding-bottom:20px;padding-left:0}.twin-pane+.twin-pane{border-left:0;border-top:1px solid var(--line-2)}.footer{flex-direction:column;align-items:flex-start}.footer p{text-align:left}}
.lesson-body code,.qcard code,.quiz-intro code,.hint code,.fig-note code,.check-msg code,.challenge-sub code{font-family:var(--font-mono);background:var(--sky-dim);color:#c9cdf7;white-space:nowrap;border-radius:4px;padding:1px 6px;font-size:.86em}.lesson-body a,.qwhy a{color:var(--sky);text-decoration:underline;-webkit-text-decoration-color:var(--line-3);text-decoration-color:var(--line-3);text-underline-offset:3px}.lesson-body a:hover{color:var(--white)}.lesson-body strong{color:var(--white);font-weight:700}.lesson-body em{color:var(--white)}.tex .katex{font-size:1.04em}.math{color:var(--white);padding:6px 0;overflow:auto hidden}.math .katex-display{margin:0}.prose-h{letter-spacing:-.035em;color:var(--white);scroll-margin-top:calc(var(--shell-h) + 24px);margin-top:26px;font-size:clamp(24px,2vw,30px)}.prose-note{border:1px solid var(--line-2);border-radius:var(--r-sm);color:var(--text-2);padding:12px 16px;font-size:16px}.prose-note:before{content:"note  ";font-family:var(--font-mono);color:var(--sky);font-size:12.5px}.prose-note.warn:before{content:"careful  ";color:var(--loss)}.prose-list{gap:10px;margin:0;padding-left:0;list-style:none;display:grid}.prose-list>li{padding-left:26px;position:relative}ul.prose-list>li:before{content:"";background:var(--blue);width:7px;height:7px;box-shadow:0 0 8px var(--glow);position:absolute;top:.68em;left:4px}ol.prose-list{counter-reset:item}ol.prose-list>li:before{counter-increment:item;content:counter(item, decimal-leading-zero);font-family:var(--font-mono);color:var(--sky);font-size:13px;position:absolute;top:.18em;left:0}.prose-table{margin:4px 0}.prose-table .table{border-collapse:collapse;width:100%;font-size:15.5px}.prose-table th{text-align:left;font-family:var(--font-mono);color:var(--sky);border-bottom:1px solid var(--line-2);padding:8px 12px;font-size:12.5px;font-weight:500}.prose-table td{border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:top;padding:10px 12px}.lesson-body>.code-block{font-size:14.5px}.reader{min-height:calc(100vh - var(--shell-h));grid-template-columns:300px minmax(0,1fr) 280px;display:grid}.sidebar{top:var(--shell-h);height:calc(100vh - var(--shell-h));padding:28px 18px 60px var(--gutter);border-right:1px solid var(--line);background:linear-gradient(180deg, var(--panel), var(--bg));align-self:start;position:sticky;overflow-y:auto}.sidebar-mod{letter-spacing:-.02em;align-items:baseline;gap:10px;margin-bottom:18px;font-size:17px;font-weight:700;display:flex}.sidebar-mod:hover{color:var(--sky)}.sidebar-unit{margin-top:16px}.sidebar-unit-title{color:var(--text-2);margin-bottom:6px;font-size:13.5px;font-weight:700;display:block}.sidebar ol{gap:1px;margin:0;padding:0;list-style:none;display:grid}.sidebar li a{color:var(--muted);border-radius:4px;grid-template-columns:18px minmax(0,1fr) auto;align-items:center;gap:10px;padding:6px 8px;font-size:14px;transition:background .14s,color .14s;display:grid}.sidebar li a:hover{background:var(--panel-2);color:var(--white)}.sb-bit{border:1px solid var(--line-2);width:18px;height:18px;font-family:var(--font-mono);color:var(--faint);place-items:center;font-size:11px;display:grid}.sidebar li.on .sb-bit{background:var(--blue);border-color:var(--blue);color:var(--white)}.sidebar li.on a{color:var(--text-2)}.sidebar li.here a{color:var(--white);box-shadow:inset 2px 0 0 var(--sky);background:linear-gradient(90deg,#2537d573,#2537d50f)}.sidebar li.locked a{color:var(--faint)}.sb-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.sb-kind{color:var(--faint);font-size:11px}.prose{background:linear-gradient(#2537d51a,#0000 360px);min-width:0;padding:36px clamp(24px,4vw,72px) 120px}.prose h1{letter-spacing:-.05em;max-width:18ch;margin-top:22px;font-size:clamp(38px,4.2vw,64px);font-weight:900;line-height:1}.prose .lesson-body{gap:18px;max-width:74ch;font-size:18px}.lesson-body{grid-template-columns:minmax(0,1fr)}.prose .lesson-body>.fig,.prose .lesson-body>.cell,.prose .lesson-body>.math,.prose .lesson-body>.code-block,.prose .lesson-body>.prose-table{width:100%;max-width:min(100%,860px)}.prose .lesson-body{max-width:860px}.prose .lesson-body>p,.prose .lesson-body>.prose-list,.prose .lesson-body>.prose-h{max-width:70ch}.rail{top:var(--shell-h);max-height:calc(100vh - var(--shell-h));padding:40px var(--gutter) 40px 24px;align-self:start;gap:32px;display:grid;position:sticky;overflow-y:auto}.rail-block{gap:12px;display:grid}.rail ol{border-left:1px solid var(--line-2);gap:8px;margin:0;padding:0;list-style:none;display:grid}.rail ol a{color:var(--muted);padding-left:14px;font-size:14.5px;display:block}.rail ol a:hover{color:var(--white)}.sources{gap:14px;margin:0;padding:0;list-style:none;display:grid}.sources li{gap:2px;display:grid}.sources a{color:var(--white);font-size:14.5px;font-weight:600;line-height:1.35}.sources a:after{content:" ↗";font-family:var(--font-mono);color:var(--sky)}.sources a:hover{color:var(--sky)}.sources span{color:var(--faint);font-size:13px}.fig{border:1px solid var(--line-2);background:radial-gradient(90% 120% at 100% 0%, #2537d51f, transparent 60%), var(--panel);margin:8px 0;padding:0}.fig>figcaption{border-top:1px solid var(--line);color:var(--muted);padding:12px 18px 14px;font-size:14.5px}.fig-body{gap:14px;padding:18px;display:grid}.fig-svg{-webkit-user-select:none;user-select:none;width:100%;height:auto;max-height:440px;display:block}.fig-svg.square{max-width:340px}.fig-svg.touch{touch-action:none}.fig-split{grid-template-columns:minmax(0,1.4fr) minmax(220px,1fr);align-items:center;gap:22px;display:grid}.fig-side{gap:12px;display:grid}.fig-grid line{stroke:var(--line)}.fig-grid line.axis{stroke:var(--line-3)}.fig-grid text,.fig-tick{fill:var(--faint);font-family:var(--font-mono);font-size:11px}.fig-axis{stroke:var(--line-3)}.tgrid{stroke:#7e89e666}.tgrid.axis{stroke:var(--sky)}.fig-label{fill:var(--white);font-family:var(--font-mono);font-size:12.5px}.fig-label.sky{fill:var(--sky)}.fig-tiny{fill:var(--muted);font-family:var(--font-mono);font-size:10.5px}.fig-cell-text{fill:var(--white);font-family:var(--font-mono);font-size:11px}.fig-op{fill:var(--sky);font-size:26px;font-weight:700}.fig-handle{fill:#ffffff1f;stroke:#fff;stroke-dasharray:2 3;cursor:grab}.fig-handle.sky{fill:#7e89e626;stroke:var(--sky)}.fig-handle:active{cursor:grabbing}.fig-controls{flex-wrap:wrap;align-items:center;gap:12px 26px;display:flex}.fig-slider{color:var(--text-2);flex:260px;grid-template-columns:auto minmax(110px,1fr) 4.2em;align-items:center;gap:12px;font-size:14px;display:grid}.fig-slider-label{white-space:nowrap}.fig-slider-value{text-align:right;color:var(--white);font-size:13px}.fig-slider input[type=range]{appearance:none;background:linear-gradient(90deg, var(--blue), var(--sky));outline-offset:6px;border-radius:2px;width:100%;height:4px}.fig-slider input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--white);border:3px solid var(--blue);cursor:pointer;width:16px;height:16px}.fig-slider input[type=range]::-moz-range-thumb{background:var(--white);border:3px solid var(--blue);cursor:pointer;border-radius:0;width:12px;height:12px}.fig-readout{border-top:1px solid var(--line);flex-wrap:wrap;margin:0;display:flex}.fig-readout>div{min-width:0;margin-right:22px;padding:10px 22px 0 0}.fig-readout>div+div{border-left:1px solid var(--line);padding-left:22px}.fig-readout dt{font-family:var(--font-mono);color:var(--sky);font-size:12px}.fig-readout dd{letter-spacing:-.03em;color:var(--white);margin:2px 0 0;font-size:20px}.fig-note{color:var(--muted);font-size:14.5px}.fig-step{color:var(--text-2);font-size:13.5px}.fig-chips{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1px solid var(--line-2);height:28px;color:var(--text-2);cursor:pointer;background:0 0;border-radius:999px;padding:0 10px;font-size:12.5px}.chip:hover,.chip[aria-pressed=true]{border-color:var(--sky);color:var(--white);background:var(--sky-dim)}.matrix-input{align-items:stretch;gap:8px;font-size:20px;display:flex}.matrix-input>div{text-align:right;grid-template-columns:repeat(2,4ch);gap:4px 14px;display:grid}.matrix-input .bracket{color:var(--line-3);font-size:46px;font-weight:300;line-height:1}.gnode{fill:var(--panel-2);stroke:var(--line-3)}.gnode.fwd{stroke:#fff}.gnode.back{fill:#2537d58c;stroke:var(--sky)}.gnode-label{fill:var(--white);font-family:var(--font-mono);font-size:14px;font-weight:600}.fig-legend{color:var(--text-2);flex-wrap:wrap;gap:8px 22px;font-size:13.5px;display:flex}.fig-legend span{align-items:center;gap:8px;display:inline-flex}.fig-legend i{border-radius:50%;width:10px;height:10px;display:inline-block}.lg-sickpos{background:#fff}.lg-sickneg{border:1.5px solid #fff}.lg-fp{background:var(--sky)}.lg-tn{background:#7e89e640}.fig-bars{gap:6px;display:grid}.fig-bar{grid-template-columns:7em minmax(0,1fr) 4.5em;align-items:center;gap:12px;font-size:14px;display:grid}.fig-bar-track{background:var(--panel-3);height:16px}.fig-bar-track span{background:linear-gradient(90deg, var(--blue), var(--sky));height:100%;transition:width .2s;display:block}.fig-bar.dim{opacity:.35}.cell{border:1px solid var(--line-2);background:var(--panel)}.cell-head{border-bottom:1px solid var(--line);align-items:baseline;gap:14px;padding:10px 16px;font-size:13.5px;display:flex}.cell-editor .code-host{max-height:460px}.code-host{min-height:0;overflow:auto}.code-host .cm-editor.cm-focused{outline:none}.runbar{border-top:1px solid var(--line);background:var(--panel-2);align-items:center;gap:10px;padding:10px 14px;display:flex}.runbar .spacer{flex:1}.runbar kbd{font-family:var(--font-mono);background:#ffffff29;border-radius:3px;margin-left:4px;padding:1px 6px;font-size:11px;font-weight:500}.rt-badge{color:var(--muted);align-items:center;gap:8px;font-size:12px;display:inline-flex}.rt-badge.ready{color:var(--sky)}.rt-badge.failed{color:var(--loss)}.console{border-top:1px solid var(--line);background:#020308;gap:12px;min-height:64px;padding:14px 16px 18px;display:grid}.console-empty{font-size:13px}.console-out,.console-err{font-family:var(--font-mono);white-space:pre-wrap;word-break:break-word;max-height:340px;margin:0;font-size:13.5px;line-height:1.6;overflow:auto}.console-out{color:var(--text-2)}.console-err{color:#ffd0d7;background:var(--loss-dim);border-left:3px solid var(--loss);padding:10px 12px}.plots{gap:14px;display:grid}.plot{border:1px solid var(--line);background:var(--panel);margin:0;padding:8px 6px 4px}.plot-svg{width:100%;height:auto;max-height:300px;display:block}.plot-tick{fill:var(--faint);font-family:var(--font-mono);font-size:11px}.plot-legend,.plot-image figcaption{color:var(--text-2);flex-wrap:wrap;gap:6px 18px;padding:6px 8px;font-size:13px;display:flex}.plot-legend span{align-items:center;gap:7px;display:inline-flex}.plot-legend i{width:12px;height:3px}.plot-gallery{flex-wrap:wrap;gap:12px;display:flex}.plot-image{justify-items:start;gap:4px;margin:0;display:grid}.plot-image svg{image-rendering:pixelated;border:1px solid var(--line);display:block}.plot-image figcaption{gap:0;padding:0;font-size:12px;display:grid}.bench{min-width:0;min-height:0;height:calc(100vh - var(--shell-h));top:var(--shell-h);background:radial-gradient(80% 60% at 100% 0%, #2537d51f, transparent 70%), var(--bg);flex-direction:column;display:flex;position:sticky}.bench-editor{flex-direction:column;flex:auto;min-height:200px;display:flex}.bench-editor .code-host{flex:1}.bench-out{flex:0 auto;max-height:46%;overflow-y:auto}.bench-out .console{min-height:110px}.bench-locked{border-left:1px solid var(--line);place-items:center;display:grid}.lesson .lesson-text{max-height:none}.checklist li.bad .check-box{border-color:var(--loss);color:var(--loss);background:var(--loss-dim)}.checklist li.bad{color:var(--white)}.checklist li>span:nth-child(2){gap:4px;min-width:0;display:grid}.check-msg{font-family:var(--font-mono);color:#ffb3bf;word-break:break-word;font-size:12.5px}.task-done{margin-top:16px;font-weight:600}.hints{gap:12px;margin-top:22px;display:grid}.hint{border-left:2px solid var(--sky);background:var(--panel);color:var(--text-2);padding:12px 16px;font-size:15.5px}.hint-actions{gap:22px;display:flex}.solution{border:1px dashed var(--line-3);gap:12px;padding:16px;display:grid}.solution .muted{font-size:14.5px}.solution .btn{justify-self:start}.quiz-wrap{gap:22px;max-width:860px;margin-top:28px;display:grid}.quiz-intro{font-size:17px}.quiz-result{border:1px solid var(--line-2);background:var(--panel);gap:10px;padding:24px;display:grid}.quiz-result.pass{border-color:var(--blue);background:linear-gradient(120deg, #2537d566, transparent 70%), var(--panel)}.quiz-result.fail{border-color:#ff6b8166}.quiz-score{letter-spacing:-.05em;font-size:56px;line-height:1}.quiz{gap:14px;margin:0;padding:0;list-style:none;display:grid}.qcard{border:1px solid var(--line);background:var(--panel);padding:22px 24px}.qcard .question legend{gap:12px;margin-bottom:14px;font-size:18px;font-weight:700;line-height:1.45;display:flex}.qoptions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.qoption{border:1px solid var(--line-2);border-radius:var(--r-sm);cursor:pointer;align-items:center;gap:12px;padding:12px 14px;font-size:15.5px;transition:border-color .14s,background .14s;display:flex}.qoption:hover{border-color:var(--line-3)}.qoption input{accent-color:var(--blue);flex-shrink:0}.qoption.picked{border-color:var(--sky);background:var(--sky-dim)}.qoption.right{border-color:var(--sky);background:#2537d552}.qoption.wrong{border-color:var(--loss);background:var(--loss-dim)}.question:disabled .qoption{cursor:default}.qwhy{border-left:3px solid var(--blue);color:var(--text-2);background:linear-gradient(90deg,#2537d52e,#0000);margin-top:14px;padding:12px 14px;font-size:15.5px}.qwhy.miss{border-left-color:var(--loss)}.qwhy b{color:var(--white)}.mod-hero{padding:32px var(--gutter) 56px;border-bottom:1px solid var(--line);isolation:isolate;position:relative;overflow:hidden}.mod-hero-field{z-index:-1;opacity:.85;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#0000 30%,#000 85%);mask-image:linear-gradient(90deg,#0000 30%,#000 85%)}.mod-hero-body{align-items:flex-end;gap:clamp(20px,3vw,48px);margin-top:40px;display:flex}.mod-hero-n{letter-spacing:-.08em;color:#0000;-webkit-text-stroke:1.5px var(--sky);font-size:clamp(96px,14vw,220px);line-height:.78}.mod-hero h1{letter-spacing:-.055em;font-size:clamp(42px,5.6vw,88px);font-weight:900;line-height:.95}.mod-hero p{max-width:54ch;color:var(--text-2);margin-top:16px;font-size:19px}.mod-hero .mod-hero-meta{color:var(--sky);font-size:13.5px}.mod-units{padding:0 var(--gutter) 40px}.mod-unit{border-bottom:1px solid var(--line);scroll-margin-top:var(--shell-h);grid-template-columns:minmax(260px,.75fr) minmax(0,2fr);gap:clamp(24px,4vw,72px);padding:44px 0;display:grid}.mod-unit-head{grid-template-columns:auto minmax(0,1fr);align-content:start;gap:6px 18px;display:grid}.mod-unit-head .bits{grid-column:2;margin-top:10px}.mod-unit-code{letter-spacing:-.05em;color:#0000;-webkit-text-stroke:1px var(--sky);font-size:40px;line-height:.9}.mod-unit.is-done .mod-unit-code{color:var(--blue);-webkit-text-stroke:0}.mod-unit-head h2{font-size:clamp(24px,2.2vw,32px)}.mod-unit-head p{color:var(--text-2);margin-top:8px;font-size:16px}.challenges{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.challenge>a{border-bottom:1px solid var(--line);grid-template-columns:24px 6.5em minmax(0,1fr) minmax(0,1.2fr) 9em 16px;align-items:center;gap:18px;padding:15px 12px;transition:background .14s;display:grid}.challenge>a:hover{background:linear-gradient(90deg,#2537d538,#0000 80%)}.challenge-kind{color:var(--sky);font-size:12.5px}.challenge-title{letter-spacing:-.02em;font-size:17px;font-weight:700}.challenge-sub{color:var(--muted);font-size:14px}.challenge-state{color:var(--gain);text-align:right;font-size:12.5px}.challenge .arrow{color:var(--sky)}.challenge.is-done .stop-status{background:var(--blue);border-color:var(--blue);color:var(--white)}.challenge.kind-test .challenge-title:before,.challenge.kind-lab .challenge-title:before{content:"";background:var(--sky);width:6px;height:6px;margin:0 10px 3px 0;display:inline-block}.mod-project{border:1px solid var(--line-3);background:radial-gradient(90% 140% at 100% 0%, #2537d561, transparent 60%), var(--panel);grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:40px;margin:56px 0 0;padding:36px;display:grid}.mod-project.is-locked{border-color:var(--line-2);background:var(--panel)}.mod-project h2{letter-spacing:-.05em;margin-top:12px;font-size:clamp(30px,3.4vw,50px);font-weight:900}.mod-project-text p{max-width:54ch;color:var(--text-2);margin-top:12px;font-size:17px}.mod-project-text .btn{margin-top:26px}.mod-project-gate{font-size:13.5px}.mod-project-steps{align-content:center;gap:8px;margin:0;padding:0;list-style:none;display:grid}.mod-project-steps li{color:var(--text-2);align-items:center;gap:12px;font-size:15.5px;display:flex}.mod-project-steps li.on{color:var(--white)}.mod-project-steps li.on .skill-bit{background:var(--blue);border-color:var(--blue)}.mod-pager{padding:0 var(--gutter) 96px;justify-content:space-between;gap:16px;display:flex}.module-meta h2 a:hover{color:var(--sky)}.stop-skill{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.stop-project>a{background:repeating-linear-gradient(135deg,#7e89e60d 0 8px,#0000 8px 16px)}.stop-project.is-locked .stop-title{color:var(--muted)}.bits{gap:3px;display:inline-flex}.bits i{border:1px solid var(--line-3);width:8px;height:8px}.bits i.on{background:var(--sky);border-color:var(--sky)}.skills-card li{grid-template-columns:20px minmax(0,1fr) auto;display:grid}.skills-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.skills-card .skill-bit{font-size:10px}.skills-next{white-space:normal;text-align:left;width:100%;height:auto;min-height:44px;margin-top:18px;padding:10px 16px}.skills-reset{color:var(--faint);margin-top:12px;font-size:13px}.stepper{gap:0;margin:24px 0 0;padding:0;list-style:none;display:flex}.stepper li{flex:1;position:relative}.stepper li+li:before{content:"";background:var(--line-2);z-index:0;height:1px;position:absolute;top:50%;left:-50%;right:50%}.stepper li.on+li:before{background:var(--blue)}.stepper button{z-index:1;border:1px solid var(--line-3);background:var(--bg);width:32px;height:32px;color:var(--muted);cursor:pointer;place-items:center;margin:0 auto;font-size:13px;display:grid;position:relative}.stepper button:disabled{cursor:not-allowed;color:var(--faint);border-color:var(--line)}.stepper li.on button{background:var(--blue);border-color:var(--blue);color:var(--white)}.stepper li.here button{box-shadow:0 0 0 3px var(--sky-dim), 0 0 18px var(--glow);border-color:var(--white);color:var(--white)}.step-head{gap:8px;margin-top:32px;display:grid}.step-head h2{letter-spacing:-.04em;font-size:clamp(26px,2.4vw,36px)}.project-intro,.project-outro{padding-bottom:8px}.project-outro{border-top:1px solid var(--line-2);margin-top:36px;padding-top:24px}.gate .checklist a{color:var(--text-2)}.gate .checklist a:hover{color:var(--sky)}.project-preview{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.project-preview ol{color:var(--text-2);gap:4px;margin:10px 0 0;padding-left:20px;display:grid}.lp-modules h3 a:hover,.lp-modules ul li.lp-project{color:var(--sky)}.lp-modules ul li.lp-project:before{background:var(--sky)}.loop{border-top:1px solid var(--line-2);counter-reset:loop;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.loop-step{align-content:start;gap:12px;padding:28px 26px 0 0;display:grid;position:relative}.loop-step+.loop-step{border-left:1px solid var(--line);padding-left:26px}.loop-step:after{content:"→";font-family:var(--font-mono);color:var(--sky);background:var(--bg);padding:0 2px;position:absolute;top:30px;right:-10px}.loop-step:last-child:after{display:none}.loop-n{letter-spacing:-.06em;color:#0000;-webkit-text-stroke:1px var(--sky);font-size:44px;line-height:1}.loop-step h3{font-size:24px}.loop-step p{color:var(--text-2);font-size:16px}.demo-checks{margin-top:8px;padding:16px 0}.twin-pane.dots-bg{align-content:center;display:grid}.refusal.classic b{letter-spacing:-.03em;font-size:22px;line-height:1.15}.band-more{margin-top:28px}.project-row{grid-template-columns:minmax(0,2.4fr) minmax(0,1.2fr) minmax(0,1fr) 60px 28px}.reading-group{border-top:1px solid var(--line);grid-template-columns:minmax(200px,.5fr) minmax(0,2fr);gap:40px;padding:36px 0;display:grid}.reading-head h2{font-size:30px}.reading-head p{margin-top:8px}.reading{margin:0;padding:0;list-style:none}.reading a{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr) minmax(0,1.6fr) 20px;align-items:baseline;gap:20px;padding:14px 10px;transition:background .14s;display:grid}.reading a:hover{background:linear-gradient(90deg,#2537d52e,#0000 80%)}.reading-title{font-size:16.5px;font-weight:700}.reading-by{color:var(--sky);font-size:12.5px}.reading-note{color:var(--muted);font-size:14.5px}.reading .arrow{color:var(--sky)}@media (max-width:1320px){.reader{grid-template-columns:270px minmax(0,1fr)}.rail{display:none}}@media (max-width:1080px){.reader{grid-template-columns:1fr}.sidebar{display:none}.bench{height:86vh;position:relative;top:0}.mod-unit,.mod-project,.reading-group{grid-template-columns:1fr}.loop{grid-template-columns:repeat(2,minmax(0,1fr))}.loop-step:nth-child(3){border-left:0;padding-left:0}.loop-step:after{display:none}.challenge>a{grid-template-columns:24px 6em minmax(0,1fr) 16px}.challenge-sub,.challenge-state{display:none}.reading a{grid-template-columns:1fr;gap:4px}.reading .arrow{display:none}}@media (max-width:760px){.fig-split,.qoptions,.loop{grid-template-columns:1fr}.loop-step,.loop-step+.loop-step{border-left:0;border-bottom:1px solid var(--line);padding-bottom:20px;padding-left:0}.mod-hero-body{flex-direction:column;align-items:flex-start}.mod-project{padding:24px}.project-row{grid-template-columns:1fr 28px}.project-row>span:nth-child(2),.project-row>span:nth-child(3),.project-row>span:nth-child(4),.topbar .skillbits-cells{display:none}.fig-readout>div,.fig-readout>div+div{border-left:0;padding-left:0}}.topbar .skillbits-cells{gap:2px}.topbar .skillbits-cells i{width:4px}.topbar .skillbits-cells i:nth-child(7n):not(:last-child){margin-right:4px}.bpe-words{gap:10px;display:grid}.bpe-word{grid-template-columns:7.5em minmax(0,1fr);align-items:center;gap:14px;font-size:13px;display:grid}.bpe-tokens{flex-wrap:wrap;gap:4px;display:flex}.bpe-tok{border:1px solid var(--line-2);font-family:var(--font-mono);color:var(--text-2);background:var(--panel-2);padding:3px 8px;font-size:14px}.bpe-tok.merged{border-color:var(--blue);color:var(--white);background:#2537d573}.fig-placeholder{min-height:280px}
.account-chip{border:1px solid var(--line-2);color:var(--text-2);border-radius:999px;align-items:center;gap:10px;padding:4px 12px 4px 4px;font-size:14px;font-weight:600;transition:border-color .14s,color .14s;display:inline-flex}.account-chip:hover{border-color:var(--sky);color:var(--white)}.account-chip .avatar{border-radius:50%}.account-chip-name{text-overflow:ellipsis;white-space:nowrap;max-width:14ch;overflow:hidden}.account-actions{gap:6px;display:flex}.avatar{object-fit:cover;border-radius:var(--r-sm);background:var(--panel-3);flex-shrink:0;display:inline-block}.avatar-initials{letter-spacing:-.03em;color:var(--white);background:radial-gradient(#ffffff38 1px, transparent 1.4px) 0 0 / 6px 6px, linear-gradient(140deg, var(--accent-hi), var(--blue) 55%, #12198a);place-items:center;font-weight:800;display:inline-grid}.auth-page{grid-template-columns:minmax(0,1fr) minmax(420px,560px);min-height:100vh;display:grid}.auth-visual{isolation:isolate;border-right:1px solid var(--line);position:relative;overflow:hidden}.auth-visual-field{z-index:-2;position:absolute;inset:0}.auth-visual-bits{z-index:-1;opacity:.5;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#0000 45%,#000);mask-image:linear-gradient(#0000 45%,#000)}.auth-visual-text{left:var(--gutter);right:var(--gutter);gap:18px;display:grid;position:absolute;bottom:64px}.auth-visual-text h2{letter-spacing:-.055em;text-shadow:0 2px 30px #000;max-width:11ch;font-size:clamp(44px,5.4vw,92px);font-weight:900;line-height:.95}.auth-visual-text p{max-width:46ch;color:var(--white);text-shadow:0 1px 12px #000;font-size:18px}.auth-main{background:radial-gradient(90% 60% at 100% 0%, #2537d529, transparent 70%), var(--bg);flex-direction:column;padding:0 clamp(24px,4vw,56px) 48px;display:flex}.auth-head{height:var(--shell-h);justify-content:space-between;align-items:center;display:flex}.auth-box{gap:16px;margin:auto 0;padding-top:32px;display:grid}.auth-box h1{letter-spacing:-.05em;font-size:clamp(34px,3vw,46px);font-weight:900}.auth-form{gap:16px;display:grid}.auth-form .btn-lg{margin-top:6px}.field-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.field>span em{font-style:normal;font-family:var(--font-mono);margin-left:8px;font-size:12px}.nick-state.free{color:var(--gain)}.nick-state.taken,.nick-state.invalid{color:var(--loss)}.nick-state.checking{color:var(--faint)}.avatar-pick{align-items:center;gap:16px;display:flex}.avatar-pick p{font-size:14px}.avatar-pick-btn{border:1px dashed var(--line-3);border-radius:var(--r-md);cursor:pointer;background:0 0;padding:0;line-height:0;position:relative}.avatar-pick-btn .avatar{border-radius:calc(var(--r-md) - 1px)}.avatar-pick-btn:hover{border-color:var(--sky)}.avatar-pick-edit{background:var(--blue);color:var(--white);border-radius:999px;padding:2px 7px;font-size:11px;line-height:1.4;position:absolute;bottom:-9px;left:50%;transform:translate(-50%)}.error-line{color:var(--loss);font-size:14.5px}.auth-merge{font-size:14px}.auth-switch{color:var(--muted);margin-top:8px;font-size:15px}.auth-sent{border:1px solid var(--line-2);background:var(--panel);justify-items:start;gap:14px;padding:20px;display:grid}.account{grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr);align-items:start;gap:20px;display:grid}.account-card{border:1px solid var(--line-2);background:var(--panel);gap:18px;padding:28px;display:grid}.account-id{align-items:center;gap:24px;display:flex}.account-id h2{font-size:32px}.account-actions-row{gap:10px;display:flex}.account-big{letter-spacing:-.05em;font-size:64px;line-height:1}.account-card .skills-bar{margin:0}.account-card .btn{justify-self:start}.cert-canvas{background:#000;width:100%;height:auto;display:block}.cert-frame{border:1px solid var(--line-2);box-shadow:0 30px 80px -30px #2537d599}.cert-page{grid-template-columns:minmax(0,2.2fr) minmax(300px,1fr);align-items:start;gap:32px;display:grid}.cert-side{gap:16px;display:grid}.cert-side h2{letter-spacing:-.045em;font-size:36px;font-weight:900}.cert-side .skills-bar{margin:0}.cert-downloads{flex-wrap:wrap;gap:10px;display:flex}.cert-id{font-size:13px}.cert-remaining{border-top:1px solid var(--line);gap:14px;padding-top:16px;display:grid}.cert-remaining b{font-size:15px}.cert-remaining ul{color:var(--muted);gap:3px;margin:6px 0 0;padding-left:18px;font-size:14px;display:grid}.cert-remaining a:hover{color:var(--sky)}.skills-cert{border-top:1px solid var(--line);color:var(--text-2);gap:4px;margin-top:16px;padding-top:14px;font-size:14px;font-weight:600;display:grid}.skills-cert:hover{color:var(--white)}.landing-cert{grid-template-columns:minmax(0,2fr) minmax(260px,1fr);align-items:center;gap:40px;display:grid}.landing-cert-text{justify-items:start;gap:18px;display:grid}.landing-cert-text p{color:var(--text-2);font-size:18px}@media (max-width:1080px){.auth-page,.account,.cert-page,.landing-cert{grid-template-columns:1fr}.auth-visual{display:none}}@media (max-width:760px){.account-chip-name{display:none}.account-chip{padding:2px}.field-row{grid-template-columns:1fr}}