*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:#13243a;background:#f7f4ee;margin:0;font-family:Arial,Helvetica,sans-serif;font-size:14px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline-offset:4px;outline:3px solid #b57418}button:disabled{cursor:wait}a{color:inherit;text-decoration:none}.shell{min-height:100vh;display:flex}.sidebar{color:#fff;z-index:5;background:#082341;flex-direction:column;width:238px;padding:32px 16px 24px;display:flex;position:fixed;inset:0 auto 0 0}.brand{letter-spacing:-.8px;align-items:center;gap:10px;padding:0 9px;font-size:23px;font-weight:700;display:flex}.brand-star{color:#e4aa52;font-size:45px;line-height:1}.nav-label{letter-spacing:1.7px;color:#9dabbc;margin:49px 14px 20px;font-size:9px}.nav-item{color:#d5dce5;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:17px;width:100%;margin-bottom:8px;padding:15px 17px;display:flex}.nav-item span{text-align:center;width:23px;font-size:24px;line-height:1}.nav-item:hover{background:#183953}.nav-item.active{color:#fff;background:linear-gradient(100deg,#be8337,#986829);box-shadow:inset 0 0 0 1px #d39b4d}.sidebar-foot{margin-top:auto;padding:45px 14px 0}.small-star{color:#d8a153;margin-bottom:12px;font-size:42px;display:block}.sidebar-foot strong{font-size:13px}.sidebar-foot p{color:#a6b5c7;font-size:12px;line-height:1.8}.edition{color:#8b9eb4;letter-spacing:1.1px;margin-top:32px;font-size:8px;display:block}.workspace{width:calc(100% - 238px);margin-left:238px}header{background:#faf8f4;border-bottom:1px solid #e8e2d8;align-items:center;gap:20px;height:86px;padding:0 36px;display:flex}.breadcrumb{color:#687281}.breadcrumb span{color:#b6b3ac;margin:0 17px}.breadcrumb strong{color:#1f3044;font-weight:500}.preview{color:#77705f;align-items:center;gap:8px;margin-left:auto;font-size:11px;display:flex}.preview>span,.status-dot{background:#a3793f;border-radius:50%;width:6px;height:6px;display:inline-block}.avatar{color:#71572f;background:#eee5d5;border:1px solid #e3d7c5;border-radius:50%;place-items:center;width:37px;height:37px;display:grid}.menu{display:none}main{max-width:1800px;margin:auto;padding:37px 36px 0}.heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px;display:flex}.eyebrow{letter-spacing:1.8px;color:#957140;font-size:9px;font-weight:700}h1{letter-spacing:-.8px;margin:12px 0;font-size:29px;font-weight:600}p{line-height:1.7}.heading p{color:#747b83;margin:0;font-size:13px}.outline-badge{color:#817766;border:1px solid #dfd8cc;border-radius:30px;padding:10px 13px;font-size:10px}.columns{grid-template-columns:minmax(0,1fr) 278px;gap:24px;display:grid}.primary{min-width:0}.hero{color:#fff;background:#082341;border-radius:12px;min-height:278px;display:flex;position:relative;overflow:hidden}.hero-copy{z-index:1;padding:31px 33px;position:relative}.hero-kicker{letter-spacing:1.7px;color:#e4bb7d;font-size:9px}.hero h2{letter-spacing:-.5px;margin:18px 0 12px;font-size:30px;font-weight:500;line-height:1.25}.hero p{color:#c0ccda;margin-bottom:23px;font-size:12px}.gold-button{color:#15283b;background:#e6b46b;border:0;border-radius:6px;padding:13px 17px;font-size:12px;font-weight:600}.gold-button span{margin-left:20px}.orbit-art{opacity:.8;width:290px;height:290px;position:absolute;top:15px;right:-15px}.orbit{border:1px solid #c49a5666;border-radius:50%;position:absolute;inset:25px;transform:rotate(-35deg)scaleX(.55)}.two{transform:rotate(30deg)scaleX(.55)}.three{transform:rotate(90deg)scaleX(.55)}.sun{text-align:center;color:#e7b664;text-shadow:0 0 50px #daac5766;font-size:145px;line-height:1;position:absolute;inset:65px}.dot{background:#ecc27c;border-radius:50%;width:7px;height:7px;position:absolute;box-shadow:0 0 20px #deb678}.d1{top:42px;left:70px}.d2{bottom:88px;right:31px}.art-label{text-align:center;letter-spacing:2px;color:#c1a579;width:100%;font-size:7px;position:absolute;bottom:14px}.metrics{grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0;display:grid}.metric,.card{background:#fffdf9;border:1px solid #e8e2d8;border-radius:10px;box-shadow:0 3px 6px #182b4103}.metric{padding:18px 16px}.metric-title{white-space:nowrap;align-items:center;gap:9px;font-size:11px;display:flex}.metric-title span{color:#9b7138;font-size:18px}.metric>strong{margin:15px 0 6px;font-size:27px;font-weight:400;display:block}.metric p{color:#7b7e80;margin:0;font-size:10px}.section-head{justify-content:space-between;align-items:center;gap:10px;display:flex}h2{margin:0;font-size:16px;font-weight:600}.muted{color:#858580;font-size:10px}.learning{scroll-margin-top:20px}.learning .section-head{padding:23px 24px 21px}.tabs{border-bottom:1px solid #ebe5db;gap:26px;padding:0 24px;display:flex;overflow:auto}.tabs button{color:#72777b;background:0 0;border:0;border-bottom:2px solid #0000;padding:13px 0;font-size:12px}.tabs button[aria-selected=true]{color:#182b41;border-color:#a77b3b;font-weight:600}.empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:250px;padding:32px 24px;display:flex}.empty-icon{color:#a1855c;background:#f4efe5;border:1px solid #e7decd;border-radius:12px;place-items:center;width:55px;height:55px;font-size:28px;display:grid}.empty h3{margin:18px 0 6px;font-size:15px;font-weight:500}.empty p{color:#7b8085;max-width:360px;margin:0 0 18px;font-size:12px}.soft-badge{color:#857a69;background:#f3f0e9;border-radius:4px;padding:6px 9px;font-size:10px}.right-column{flex-direction:column;gap:20px;display:flex}.upcoming,.start-card{padding:24px}.gold{color:#a97b36}.event{gap:12px;padding-top:25px;display:flex}.event h3{margin:0;font-size:12px;font-weight:600}.event p{color:#858483;margin:7px 0;font-size:11px}.event-icon{color:#a17c43;font-size:20px}.quiet-note{color:#8e887c;border-top:1px solid #ebe5db;margin-top:20px;padding-top:17px;font-size:10px;line-height:1.8}.start-card{background:#f0ebe1}.start-card h2{margin-top:13px;font-size:22px;font-weight:500;line-height:1.4}.start-card ol{margin:24px 0 0;padding:0;list-style:none}.start-card li{gap:12px;margin-top:21px;display:flex}.start-card li>span{color:#a1804c;border:1px solid #d9cfbe;border-radius:50%;place-items:center;min-width:27px;height:27px;font-size:11px;display:grid}.start-card strong{font-size:11px;font-weight:500}.start-card p{color:#848077;margin:5px 0;font-size:10px}.connection{padding:0 5px}.connection strong{font-size:11px;font-weight:500}.status-dot{background:#638069;margin-right:8px}.connection p{color:#858480;font-size:10px}.connection button{color:#885d26;background:0 0;border:0;padding:0;font-size:11px}.connection button span{margin-left:8px}.health{min-height:17px}footer{color:#989389;border-top:1px solid #e4ddd1;justify-content:space-between;margin-top:30px;padding:21px 0;font-size:10px;display:flex}footer span:first-child{color:#6f746f;font-weight:600}.skip{z-index:20;background:#fff;padding:12px;position:fixed;top:-100px;left:250px}.skip:focus{top:5px}@media (min-width:1500px){.hero-copy{padding:40px}.hero{min-height:320px}.hero h2{font-size:36px}.orbit-art{top:20px;right:20px;transform:scale(1.1)}}@media (max-width:1200px){.sidebar{width:205px}.workspace{width:calc(100% - 205px);margin-left:205px}main{padding:26px 22px 0}header{padding:0 22px}.columns{grid-template-columns:minmax(0,1fr) 245px;gap:18px}.outline-badge{display:none}.hero h2{font-size:26px}.orbit-art{opacity:.45;right:-115px}.metric{padding:14px 10px}.metric-title{font-size:10px}.metrics{gap:8px}.brand{font-size:21px}.tabs{gap:18px}}@media (max-width:980px){.columns{grid-template-columns:1fr}.right-column{grid-template-columns:1fr 1fr;display:grid}.connection{grid-column:1/-1}.orbit-art{opacity:.8;right:10px}.hero-copy{max-width:65%}.hero{min-height:285px}.heading h1{font-size:25px}}@media (max-width:650px){.sidebar{width:238px;display:none;top:64px;box-shadow:12px 0 50px #0004}.sidebar.open{display:flex}.workspace{width:100%;margin:0}header{gap:12px;height:64px;padding:0 18px}.menu{color:#122a45;background:0 0;border:0;font-size:21px;display:block}.breadcrumb{font-size:11px}.breadcrumb span{margin:0 7px}.preview{font-size:0}.preview>span{width:7px;height:7px}.avatar{width:30px;height:30px;font-size:12px}main{padding:25px 17px 0}.heading h1{max-width:310px;font-size:25px;line-height:1.3}.heading p{font-size:12px}.hero-copy{max-width:100%;padding:26px 24px}.hero h2{font-size:27px}.hero p{max-width:240px}.orbit-art{opacity:.3;right:-170px}.metrics{grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.metric{padding:16px}.metric-title{font-size:12px}.right-column{grid-template-columns:1fr}.connection{grid-column:auto}.tabs{gap:22px;padding:0 19px}.learning .section-head{padding:20px}.muted{display:none}.empty{padding:30px 20px}.outline-badge{display:none}footer{gap:20px;font-size:9px}.skip{left:10px}.nav-label{margin-top:28px}.sidebar-foot{padding-top:20px}.desktop{display:none}}.brand-copy{white-space:nowrap;flex-direction:column;gap:5px;display:flex}.brand-copy small{letter-spacing:.15px;color:#bdcad8;font-size:8px;font-weight:400;line-height:1.4}.brand-star{flex-shrink:0}
@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.25ieegmnh38ts.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.10y3kupq4t663.woff)format("woff"),url(../media/KaTeX_AMS-Regular.418dr7cz3fo2x.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.06b-ya9t43ioz.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.2vmk2hva4ctha.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.40ltxhe834pns.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.2eph4dlhid_m9.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3gxeetazf831f.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.07-7u27-nhn_r.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.2sasz-d-jtw8y.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1alcy76__wdj2.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.19yqa_tc9d_gx.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.2d10y4xmjvzlf.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.110oo81prr9n5.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.2qhy34r6a05dn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.3-rowy8o6_4ky.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.0v1esh257kqpe.woff)format("woff"),url(../media/KaTeX_Main-Bold.0us_n0tnxlxu7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.14r2naom8mrec.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.13355ck5zr48q.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.3x_u9cepaced0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.0lig0v9j0700p.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.0afv392dj4w59.woff)format("woff"),url(../media/KaTeX_Main-Italic.2hkw3230mfwcv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.1ryvsdzh2w1_e.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.15u8r3b2y7fv4.woff)format("woff"),url(../media/KaTeX_Main-Regular.0symfa7dqj6jd.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.1oopuu636h4il.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.12pl58orkw9rg.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0y5w36a5aq__2.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.32405s1aq8vas.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.0w0b1ugh62cfr.woff)format("woff"),url(../media/KaTeX_Math-Italic.2vkekfblmz5nb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.0h3wi2z_eouyg.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ovw5p-yjp56g.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.2d03q85pwxpti.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.0wkjc4dm2kcit.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.1qavw__2zz8gk.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.3i-q087b23-m8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.2peiewu59z3d-.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.1i4afx8nk8n4r.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.31pbu25feko_c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.11h14300o9pd0.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.3110jb9c-bxna.woff)format("woff"),url(../media/KaTeX_Script-Regular.28p_x7iz71ofe.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.03lhvx36ekcou.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.1slf4bh0hc6vm.woff)format("woff"),url(../media/KaTeX_Size1-Regular.1y57-ck23ey8c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.14s5gg-puz6h-.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.0-kwyvx03omo8.woff)format("woff"),url(../media/KaTeX_Size2-Regular.2u0s-b07k2o9m.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1n1rgzz84z8r9.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.04o9a_02gu_e8.woff)format("woff"),url(../media/KaTeX_Size3-Regular.1pkn-dge4q0fv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.2sgotkdv3dcyv.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.3p2r1l7xmebxv.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2uelkfk2yna5e.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.11gr2d2wuwz77.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.12f8myjij3617.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.3nee9kjfy6nm8.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.7"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
.review-formula{white-space:normal;overflow-wrap:normal;word-break:normal}.review-formula-block{display:block}.review-math-block{overscroll-behavior-x:contain;min-width:0;max-width:100%;padding:10px 2px;overflow:auto hidden}.review-math-block .katex-display{margin:.45em 0;padding:0;overflow:visible}.review-formula-fallback{vertical-align:middle;border:1px solid var(--campus-line,#dccfb9);background:var(--campus-soft,#f8f4ec);max-width:100%;color:var(--campus-ink,#4b535c);text-align:left;white-space:normal;box-sizing:border-box;border-radius:10px;flex-direction:column;margin:6px 0;padding:10px 14px;display:inline-flex}.review-formula-label{color:var(--campus-muted,#866c3d);margin-bottom:6px;font:500 12px/1.5 system-ui,sans-serif;display:block}.review-formula-fallback code,.markdown-view .review-formula-fallback code{white-space:pre-wrap;overflow-wrap:anywhere;color:inherit;background:0 0;padding:0;font:13px/1.7 ui-monospace,monospace;display:block}@media print{.review-math-block{overflow:visible}}
:root{--campus-bg:#f7f8fa;--campus-surface:#fff;--campus-soft:#f1f4f8;--campus-ink:#172c47;--campus-muted:#75859b;--campus-line:#dfe5ed;--campus-accent:#346b9f}.identity-wrap{flex-shrink:0;position:relative}.hub-shell .identity-wrap>button{cursor:pointer;background:0 0;border:0}.identity-dropdown{background:var(--campus-surface);border:1px solid var(--campus-line);width:282px;color:var(--campus-ink);z-index:80;border-radius:20px;padding:9px;animation:.2s ease-out campus-pop;position:absolute;top:calc(100% + 14px);right:0;box-shadow:0 18px 65px #13284226}.identity-heading{border-bottom:1px solid var(--campus-line);margin-bottom:6px;padding:15px 12px}.identity-heading strong,.identity-heading span{display:block}.identity-heading strong{font-size:15px}.identity-heading span{color:var(--campus-muted);margin-top:5px;font-size:11px}.identity-dropdown nav{gap:2px;display:grid}.identity-dropdown nav a,.hub-shell .identity-dropdown .identity-logout{text-align:left;width:100%;color:inherit;background:0 0;border:0;border-radius:11px;align-items:center;gap:12px;padding:12px;font-size:13px;display:flex}.identity-dropdown nav a svg:last-child{opacity:.5;margin-left:auto}.identity-dropdown nav a:hover{background:var(--campus-soft)}.hub-shell .identity-dropdown .identity-logout{border-top:1px solid var(--campus-line);color:#b54a45;border-radius:0;margin-top:6px;padding-top:16px}.identity-dropdown .identity-logout:hover{background:#c4524a0d}.campus-confirm{border:1px solid var(--campus-line);background:var(--campus-surface);color:var(--campus-ink);border-radius:22px;width:min(440px,100vw - 32px);max-height:85dvh;margin:auto;padding:28px;animation:.2s ease-out campus-pop;overflow:auto;box-shadow:0 25px 100px #06142644}.campus-confirm::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#08192f66}.campus-confirm h2{margin:0 0 15px;font-size:22px;line-height:1.25}.campus-confirm p{color:var(--campus-muted);margin:0 0 14px;font-size:14px;line-height:1.7}.campus-confirm-actions{justify-content:flex-end;gap:10px;margin-top:22px;display:flex}.hub-shell .campus-confirm-actions button{border:1px solid var(--campus-line);background:var(--campus-soft);color:var(--campus-ink);border-radius:11px;padding:11px 17px;font-size:13px}.hub-shell .campus-confirm-actions .confirm-danger{color:#fff;background:#b44d45;border-color:#b44d45}.campus-confirm .campus-confirm-error{color:#c55248}.hub-shell .campus-confirm label{border:1px solid var(--campus-line);border-radius:12px;flex-direction:row;align-items:flex-start;gap:10px;padding:13px;font-size:13px;display:flex}.campus-confirm label input{accent-color:var(--campus-accent);margin-top:3px}.campus-confirm label small{color:var(--campus-muted);margin-top:4px;line-height:1.5;display:block}.appearance-settings{max-width:1000px;color:var(--campus-ink);margin:10px auto 45px}.appearance-settings h1{letter-spacing:-.9px;margin:10px 0;font-size:32px}.settings-intro{color:var(--campus-muted);margin-bottom:26px;font-size:14px;line-height:1.7}.settings-card{border:1px solid var(--campus-line);background:var(--campus-surface);border-radius:20px;margin-bottom:18px;padding:26px}.settings-section-heading{align-items:flex-start;gap:14px;margin-bottom:24px;display:flex}.settings-section-heading>svg{color:var(--campus-accent);margin-top:2px}.settings-section-heading h2{margin:0 0 7px;font-size:18px}.settings-section-heading p{color:var(--campus-muted);margin:0;font-size:12px;line-height:1.6}.theme-choices{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.hub-shell .appearance-settings .theme-choice,.hub-shell .appearance-settings .design-choice{border:1px solid var(--campus-line);background:var(--campus-surface);text-align:left;color:var(--campus-ink);border-radius:13px;padding:10px;font-size:12px}.hub-shell .appearance-settings button[aria-pressed=true]{border-color:var(--campus-accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--campus-accent) 17%,transparent)}.theme-mini{background:#edf1f6;border-radius:8px;grid-template-rows:17px 1fr;grid-template-columns:25% 1fr 1fr;gap:7px;height:90px;padding:9px;display:grid;overflow:hidden}.theme-mini i:first-child{background:#29496c;border-radius:4px;grid-row:span 2}.theme-mini i:nth-child(2){background:#fff;border-radius:4px;grid-column:span 2}.theme-mini b{background:#fff;border-radius:4px}.dark .theme-mini{background:#0e1b2b}.dark .theme-mini i:nth-child(2),.dark .theme-mini b{background:#283e58}.system .theme-mini,.schedule .theme-mini{background:linear-gradient(90deg,#edf1f6 50%,#182d44 50%)}.theme-choice>span:last-child{flex-wrap:wrap;align-items:center;gap:7px;padding:13px 2px 3px;display:flex}.theme-choice>span:last-child>svg:last-child:not(:first-child){margin-left:auto}.hub-shell .appearance-settings .theme-schedule{align-items:center;gap:16px;padding:20px 0 0;display:flex}.hub-shell .appearance-settings .theme-schedule label{min-width:110px;margin:0;font-size:12px}.theme-schedule p{color:var(--campus-muted);max-width:350px;font-size:12px;line-height:1.65}.design-choices{grid-template-columns:1fr 1fr;gap:16px;display:grid}.design-mini{background:#edf2f8;border-radius:8px;grid-template-columns:22% 1fr 1fr 1fr;gap:9px;height:90px;margin-bottom:15px;padding:12px;display:grid}.design-mini i{background:#1d3c5f;border-radius:4px}.design-mini b{background:#fff;border-radius:6px}.classic .design-mini{background:#f2ebdf}.classic .design-mini i{background:#9f7e4b}.classic .design-mini b{border:1px solid #e3d2b8;border-radius:13px}.design-choice strong{justify-content:space-between;padding:0 5px;font-size:14px;display:flex}.design-choice small{color:var(--campus-muted);padding:8px 5px 5px;font-size:12px;line-height:1.65;display:block}.hub-shell .appearance-settings label.settings-switch{border-top:1px solid var(--campus-line);flex-direction:row;justify-content:space-between;align-items:center;gap:22px;margin:0;padding:17px 0;display:flex}.settings-switch strong,.settings-switch small{display:block}.settings-switch strong{font-size:14px}.settings-switch small{color:var(--campus-muted);margin-top:5px;font-size:12px;line-height:1.7}.hub-shell .appearance-settings .settings-switch input{appearance:none;cursor:pointer;background:#c7d1de;border:0;border-radius:20px;flex-shrink:0;width:44px;height:25px;padding:3px;transition:background .2s;position:relative}.settings-switch input:before{content:"";background:#fff;border-radius:50%;width:19px;height:19px;transition:transform .2s;display:block;box-shadow:0 1px 3px #0002}.hub-shell .appearance-settings .settings-switch input:checked{background:var(--campus-accent)}.settings-switch input:checked:before{transform:translate(19px)}.hub-shell .appearance-settings .settings-reset{color:var(--campus-muted);text-underline-offset:4px;background:0 0;border:0;padding:12px;font-size:12px;text-decoration:underline}html[data-design=classic]{--campus-bg:#f6f2ea;--campus-soft:#f1eadf;--campus-line:#e3d9c9;--campus-accent:#a67c3e}html[data-design=classic] .hub-shell{background:var(--campus-bg)}html[data-design=classic] .hub-sidebar{background:linear-gradient(155deg,#203347,#172635)}html[data-design=classic] .hub-sidebar nav a.is-active{background:linear-gradient(110deg,#b48d4e,#907041)}html[data-design=classic] .hub-shell :is(.workspace-card,.hub-panel,.hub-metric,.dashboard-card,.messenger,.settings-card){border-color:var(--campus-line);border-radius:23px}html[data-design=classic] .hub-header{background:#fffdf8eb}html[data-theme=dark]{--campus-bg:#0e1724;--campus-surface:#182535;--campus-soft:#223247;--campus-ink:#e2eaf4;--campus-muted:#a0b0c4;--campus-line:#304158;--campus-accent:#85b1df;background:var(--campus-bg)}html[data-theme=dark] body{background:var(--campus-bg);color:var(--campus-ink)}html[data-theme=dark] .hub-shell{--hub-ink:var(--campus-ink);--hub-muted:var(--campus-muted);--hub-paper:var(--campus-surface);--hub-line:var(--campus-line);background:var(--campus-bg);color:var(--campus-ink)}html[data-theme=dark] .hub-shell :is(.hub-header,.identity-dropdown,.settings-card,.campus-confirm){background:var(--campus-surface);color:var(--campus-ink);border-color:var(--campus-line)}html[data-theme=dark] .hub-sidebar{background:#101e30}html[data-theme=dark] .hub-shell :is(input,textarea,select){background:var(--campus-soft);color:var(--campus-ink);border-color:var(--campus-line)}html[data-theme=dark] .hub-shell :is(h1,h2,h3,h4){color:var(--campus-ink)}html[data-theme=dark] .hub-shell :is(.workspace-card,.hub-panel,.hub-metric,.hub-course-hero,.hub-tabs,.workspace-panel,.account-card,.course-card,.dashboard-card,.inbox-panel,.side-panel,.course-selector,.campus-course-select,.workspace-table,.news-card){background:var(--campus-surface);border-color:var(--campus-line);color:var(--campus-ink)}html[data-theme=dark] .hub-shell :is(.hub-muted,.workspace-muted,.hub-crumb,.hub-profile,.campus-identity,.campus-identity-name,.inbox-caption,.workspace-subtitle){color:var(--campus-muted)}html[data-theme=dark] .hub-shell :is(.hub-task-row,.inbox-item):hover{background:var(--campus-soft)}html[data-theme=dark] .hub-shell :is(th,td){border-color:var(--campus-line)}html[data-theme=dark] .hub-shell th{background:var(--campus-soft);color:var(--campus-muted)}html[data-theme=dark] .hub-shell tbody tr{background:0 0}html[data-theme=dark] .hub-shell tbody tr:hover{background:var(--campus-soft)}html[data-theme=dark] .hub-shell :is(.inbox-list,.inbox-item){background:var(--campus-surface);border-color:var(--campus-line);color:var(--campus-ink)}html[data-chat-theme=dark] .messenger{--msg-ink:var(--campus-ink);--msg-muted:var(--campus-muted);--msg-line:var(--campus-line);background:var(--campus-surface);border-color:var(--campus-line);color:var(--campus-ink)}html[data-chat-theme=dark] .messenger :is(.msg-sidebar,.msg-profile,.msg-chat-heading,.msg-composer,.msg-chat-search,.msg-tray){background:var(--campus-surface);border-color:var(--campus-line)}html[data-chat-theme=dark] .messenger .msg-chat{background:radial-gradient(at 100% 0,#20334b44,#0000 65%),#111d2c}html[data-chat-theme=dark] .messenger :is(.msg-bubble,.msg-file,.msg-result-card){color:var(--campus-ink);background:#223448;border-color:#354960}html[data-chat-theme=dark] .messenger .own .msg-bubble{background:#254462;border-color:#345775}html[data-chat-theme=dark] .messenger .sticker-only{background:0 0;border-color:#0000}html[data-chat-theme=dark] .messenger :is(.markdown-view,.msg-sticker){color:var(--campus-ink)}html[data-chat-theme=dark] .messenger :is(.msg-thread.selected,.msg-filters,.msg-assistant-link,.msg-day span,.msg-draft-chips>span,.msg-reactions button,.msg-role-tag,.msg-chat-person strong>span){background:var(--campus-soft);color:var(--campus-muted)}html[data-chat-theme=dark] .messenger :is(.msg-thread:hover,.msg-icon-button:hover,.msg-sticker-grid button:hover,.msg-emoji-grid button:hover,.msg-expression-tabs button[aria-pressed=true]){background:#314760}html[data-chat-theme=dark] .messenger .msg-thread{border-bottom-color:var(--campus-line)}html[data-chat-theme=dark] .messenger .msg-compose-row textarea{color:var(--campus-ink);border-color:var(--campus-line);background:#132031}html[data-chat-theme=dark] .messenger :is(.msg-search input,.msg-chat-search input){color:var(--campus-ink);background:0 0}html[data-chat-theme=dark] .msg-bubble .markdown-view a{color:#9ac6f5}html[data-theme=dark] .theme-choice.dark .theme-mini{outline:1px solid #364d67}html[data-theme=dark] .message-banner{box-shadow:0 12px 45px #0005}html[data-motion=reduced] *,html[data-motion=reduced] :before,html[data-motion=reduced] :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}@media (prefers-reduced-motion:reduce){.identity-dropdown,.campus-confirm,.message-banner{animation:none}.settings-switch input,.settings-switch input:before{transition:none}}@keyframes campus-pop{0%{opacity:0;transform:translateY(-5px)scale(.98)}to{opacity:1;transform:none}}@keyframes banner-in{0%{opacity:0;transform:translate(60px)scale(.96)}to{opacity:1;transform:none}}@media (max-width:680px){.appearance-settings h1{font-size:26px}.settings-card{padding:20px 16px}.theme-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.design-choices{gap:10px}.design-mini{gap:5px;height:65px;padding:8px}.hub-shell .appearance-settings .theme-schedule{flex-wrap:wrap}.theme-schedule p{margin:0}.settings-section-heading{gap:10px}.identity-dropdown{width:min(282px,100vw - 28px);right:0}.campus-confirm{padding:23px}.theme-choice>span:last-child{font-size:11px}}html[data-theme=dark]{--ws-ink:var(--campus-ink);--ws-muted:var(--campus-muted);--ws-line:var(--campus-line);--ws-green:#81c8a5;--ws-red:#f19c90}html[data-theme=dark] .hub-shell :is(.campus-search-trigger,.select-trigger,.select-popover,.metric-info>div,.workspace-button,.workspace-tabs,.goal-presets button,.goal-categories button,.week-scroll,.week-header,.week-header>div:first-child,.week-dialog,.student-dialog,.file-preview-dialog,.compose-preview,.tutor-dialog,.tutor-header,.tutor-footer,.campus-side-panel,.notice-panel,.news-story){background:var(--campus-surface);color:var(--campus-ink);border-color:var(--campus-line)}html[data-theme=dark] .hub-shell :is(.campus-side-panel-heading,.notice-panel .section-head,.student-dialog>header,.compose-heading){background:var(--campus-soft);color:var(--campus-ink);border-color:var(--campus-line)}html[data-theme=dark] .hub-shell :is(.inbox-trigger,.notice-toggle,.hub-menu,.campus-identity){color:var(--campus-ink)}html[data-theme=dark] .hub-shell :is(.campus-ribbon,.campus-ribbon.deadline,.campus-ribbon.urgent){color:#d6e5f7;background:#24394d;border-color:#3d5269}html[data-theme=dark] .hub-shell .campus-ribbon.deadline{color:#efdcaf;background:#403923}html[data-theme=dark] .hub-shell .campus-ribbon.urgent{color:#ffd5ce;background:#482c32}html[data-theme=dark] .hub-shell :is(.notice-item,.notice-item.unread,.select-popover [aria-selected=true],.select-popover [role=option].focused,.workspace-pill,.workspace-tabs button[aria-pressed=true],.profile-shortcuts>a,.profile-feedback-list article,.board-metrics>div,.week-event,.goal-card,.goal-answer,.forecast-panel,.forecast-total,.recommendation,.histogram-track,.confidence-track,.ai-submission,.ai-criterion,.ai-question,.ai-technical,.tutor-ranking,.tutor-suggestions button,.tutor-bubble.assistant){background:var(--campus-soft);color:var(--campus-ink);border-color:var(--campus-line)}html[data-theme=dark] .hub-shell :is(.workspace-button.primary,.hub-primary-button,.gold-button){color:#fff;background:#345c82;border-color:#4a769d}html[data-theme=dark] .hub-shell :is(.news-story h3,.schedule-lesson strong,.home-metric strong,.confidence-number strong,.profile-identity strong,.board-student,.analytics-table a,.select-popover [role=option],.stats-legend,.tutor-bubble .markdown-view,.markdown-view){color:var(--campus-ink)}html[data-theme=dark] .hub-shell :is(.news-story p,.news-story small,.schedule-lesson small,.home-metric small,.home-intro p,.home-progress-value>strong small,.profile-identity small,.confidence-number>span){color:var(--campus-muted)}html[data-theme=dark] .hub-shell :is(.workspace-card input:not([type=checkbox]):not([type=radio]),.workspace-card textarea,.workspace-card select,.profile-workspace input:not([type=checkbox]):not([type=radio]),.profile-workspace textarea,.profile-workspace select){color:var(--campus-ink);border-color:var(--campus-line);background:#132031}html[data-theme=dark] .hub-shell .tutor-bubble.student{color:var(--campus-ink);background:#284563}html[data-theme=dark] .hub-shell .grade-save-bar{border-color:var(--campus-line);background:#233247f0}html[data-theme=dark] .hub-shell .schedule-lesson.ours{background:linear-gradient(90deg,#53462a88,#0000)}html[data-theme=dark] .hub-shell .week-event.ours{color:#f4dcac;background:#4d422d}html[data-theme=dark] .hub-shell .week-deadlines,html[data-theme=dark] .hub-shell .week-deadlines>div:first-child{color:#edc1a1;background:#382c2b}html[data-theme=dark] .hub-shell .workspace-ring:before{background:var(--campus-surface)}html[data-theme=dark] .hub-shell .identity-logout{color:#f0a399}html[data-theme=dark] .hub-shell :is(.result-score-track,.cohort-comparison>div){background:#35475d}html[data-theme=dark] .hub-shell .home-metric .workspace-metric>strong{color:#edb073}html[data-theme=dark] .hub-shell .home-metric:nth-child(2) .workspace-metric>strong{color:#90bbe8}html[data-theme=dark] .hub-shell .assistant-invite{color:#bbd4ef}html[data-theme=dark] .hub-shell .assistant-invite:hover{background:var(--campus-soft)}html[data-theme=dark] .hub-shell .assistant-invite img{mix-blend-mode:normal}html[data-theme=dark] .hub-shell .home-metric:first-child strong{color:#f1ac67}html[data-theme=dark] .hub-shell .home-metric:nth-child(2) strong{color:#9fc5ef}html[data-theme=dark] .hub-shell .detail-statistics{background:var(--campus-soft)!important;border-color:var(--campus-line)!important;color:#b3d0ed!important}html[data-theme=dark] .hub-shell .schedule-day-tabs button{background:var(--campus-soft);color:var(--campus-muted)}html[data-theme=dark] .hub-shell .schedule-day-tabs button[aria-pressed=true]{color:#fff;background:#3d648b}html[data-theme=dark] .hub-shell .schedule-lesson{border-color:var(--campus-line)}html[data-theme=dark] .hub-shell .learning-chart line{stroke:#3b4d63}html[data-theme=dark] .hub-shell .learning-chart text{fill:#b4c3d6}html[data-theme=dark] .account-page :is(label,.back-link,.account-muted,.account-bottom,.account-card small){color:var(--campus-muted)}html[data-theme=dark] .account-page :is(input,select,textarea,.account-notice){background:var(--campus-surface);color:var(--campus-ink);border-color:var(--campus-line)}html[data-theme=dark] .account-page .text-button{color:#e1b579}html[data-theme=dark] .account-page .account-submit{background:#365f89}html[data-chat-theme=dark] .hub-shell .messenger .own .msg-bubble.sticker-only{background:0 0;border-color:#0000}.identity-wrap{align-items:center;gap:9px;display:flex}.identity-photo{border-radius:50%}.identity-wrap>.campus-identity{padding-left:0}html[data-density=compact] .work-table-wrap :is(td,th){padding:10px 12px}html[data-density=compact] .course-tile{padding:20px}html[data-density=compact] .inbox-item{padding-top:10px;padding-bottom:10px}html[data-density=compact] .notice-item{padding:12px}html[data-density=compact] .msg-thread{padding-top:8px;padding-bottom:8px}.review-stage{border-inline-start:3px solid var(--campus-accent);background:var(--campus-soft);color:var(--campus-ink);border-radius:8px;margin:14px 0;padding:10px 15px}.review-stage p{color:var(--campus-muted);margin:5px 0 0;font-size:.9rem}