:root{--ink:#202124;--muted:#686b72;--faint:#737780;--paper:#fff;--ground:#fafaf9;--rail:#f4f4f2;--line:#e7e7e3;--blue:#125bc7;--wash:#eaf1fd;--radius:12px;--rail-width:246px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--ground);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:15px;line-height:1.5}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}button,a,input,select{ -webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #77a7ed;outline-offset:4px}::selection{background:#d9e8ff;color:#17233c}input{caret-color:var(--blue)}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:#c9ccd1;border-radius:8px;border:2px solid var(--ground)}.skip{position:fixed;left:12px;top:-60px;background:var(--ink);color:white;padding:10px 20px;z-index:100}.skip:focus{top:12px}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--rail-width);background:var(--rail);border-right:1px solid var(--line);padding:35px 20px;display:flex;flex-direction:column;z-index:30}.brand{display:flex;align-items:center;gap:12px;font-size:29px;font-weight:700;letter-spacing:-1.2px;line-height:1}.brand-symbol{width:42px;height:45px;border-radius:11px;background:var(--blue);display:grid;place-items:center}.brand-symbol svg{width:30px;fill:none;stroke:white;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.brand-sub{display:block;font-size:11px;letter-spacing:.2px;font-weight:500;margin-top:5px}.rail-label{font-size:11px;letter-spacing:1.7px;font-weight:600;color:var(--muted);margin:46px 12px 12px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:8px;color:#565a62;line-height:1.2;min-height:42px}.nav-link svg{width:18px;height:18px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.nav-link:hover{background:#eaeae7;color:var(--ink)}.nav-link.active{background:var(--paper);color:var(--blue);box-shadow:0 1px 3px #00000006}.topics-label{margin-top:32px}.topic-link{padding:8px 12px;font-size:13px}.topic-link span{width:5px;height:5px;border-radius:50%;background:#9ca3ae;margin-left:6px}.topic-link.active span{background:var(--blue)}.rail-bottom{margin-top:auto;padding:28px 12px 0;font-size:11px;color:var(--muted)}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#357759;margin-right:5px}.quiet{display:block;color:var(--muted);font-size:11px;margin-top:6px}.workspace{margin-left:var(--rail-width);min-height:100vh}.topbar{height:80px;border-bottom:1px solid var(--line);padding:0 48px;display:flex;align-items:center;gap:20px;background:var(--ground);position:sticky;top:0;z-index:20}.global-search{display:flex;align-items:center;gap:12px;width:min(560px,75%)}.global-search svg{width:19px;height:19px;fill:none;stroke:var(--muted);stroke-width:1.7}.global-search input{background:none;border:0;padding:10px 0;outline:none;width:100%;min-width:0;font-size:14px;color:var(--ink)}.global-search input::placeholder{color:#686b72}.global-search input:focus-visible{outline:none;box-shadow:0 2px var(--blue)}kbd{font-family:inherit;font-size:11px;color:var(--muted);background:white;border:1px solid #dddfe2;border-radius:5px;padding:0 6px}.top-note{font-size:12px;color:var(--muted);margin-left:auto;white-space:nowrap}#main{padding:46px 48px 70px;max-width:1440px;margin:auto;outline:none;min-height:75vh}.eyebrow{font-size:11px;letter-spacing:1.6px;font-weight:600;color:var(--muted);text-transform:uppercase;margin:0 0 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.text-link{display:inline-flex;align-items:center;gap:6px}.text-link svg,.row-arrow svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;transform:rotate(-45deg)}.row-arrow{flex-shrink:0}.path-row{gap:0}
@media(max-width:480px){.material-row{display:grid;grid-template-columns:minmax(0,1fr) 20px;gap:6px 12px}.material-row .row-kind{width:auto;grid-column:1}.material-row>div{grid-column:1}.material-row .row-arrow{grid-column:2;grid-row:1/3;align-self:center}}