:root { --ground: #FBFBFA; --panel: #FFFFFF; --text: #17181A; --dim: #5C6068; --line: #E4E4E0; --accent: #F5C518; --accent-text: #17181A; --link: #6B4E00; --note: #FFF7D6; }
@media (prefers-color-scheme: dark) { :root { --ground: #121315; --panel: #1B1D20; --text: #F1F1EE; --dim: #A2A6AD; --line: #2C2F34; --accent: #F5C518; --accent-text: #17181A; --link: #F5C518; --note: #2A2611; } }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--text); font: 17px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; }
a { color: var(--link); text-underline-offset: 3px; }
a:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--panel); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; }
.brand-mark { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--accent); color: var(--accent-text); font-weight: 800; }
.top nav { display: flex; gap: 16px; font-size: 15px; }
.wrap { max-width: 1440px; margin: 0 auto; padding: 28px 32px 64px; }
.layout { display: grid; grid-template-columns: 260px minmax(0, 1fr) 220px; gap: 48px; }
.here { position: sticky; top: 16px; align-self: start; font-size: 14px; }
.here h2 { margin: 0 0 6px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.here ol { margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--line); }
.here li a { display: block; padding: 4px 12px; color: var(--dim); text-decoration: none; }
.here li a:hover { color: var(--text); }
.side { position: sticky; top: 16px; align-self: start; font-size: 15px; }
.side h2 { margin: 0 0 6px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.side ol { margin: 0 0 20px; padding: 0; list-style: none; }
.side li a { display: block; padding: 5px 10px; border-radius: 6px; color: var(--text); text-decoration: none; }
.side li a[aria-current="page"] { background: var(--accent); color: var(--accent-text); font-weight: 600; }
article { max-width: 80ch; }
h1 { margin: 0 0 8px; font-size: 34px; line-height: 1.15; letter-spacing: -.01em; text-wrap: balance; }
h2 { margin: 32px 0 8px; font-size: 22px; line-height: 1.25; text-wrap: balance; }
h3 { margin: 24px 0 6px; font-size: 18px; }
.lede { margin: 0 0 24px; font-size: 19px; color: var(--dim); }
.crumb { display: block; margin: 0 0 12px; font-size: 14px; color: var(--dim); }
label.crumb { margin: 0 0 6px; }
article ol, article ul { padding-left: 1.4em; }
article li { margin: 6px 0; }
article ol > li::marker { font-weight: 700; }
code { padding: 1px 5px; border-radius: 4px; background: var(--line); font: 0.9em ui-monospace, 'SF Mono', Menlo, Consolas, monospace; }
.note { padding: 12px 14px; border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; background: var(--note); }
.try { display: inline-block; margin: 24px 0 0; padding: 10px 16px; border-radius: 8px; background: var(--accent); color: var(--accent-text); font-weight: 600; text-decoration: none; }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; }
.pager a { max-width: 48%; }
.hero { max-width: 72ch; margin: 12px 0 28px; }
.search { width: 100%; max-width: 520px; min-height: 48px; padding: 0 14px; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; font: inherit; }
.tracks { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 28px; }
.track { padding: 18px 20px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.track h2 { margin: 0 0 4px; }
.track p { margin: 0 0 10px; font-size: 15px; color: var(--dim); }
.track ol { margin: 0; padding: 0; list-style: none; }
.track li { border-top: 1px solid var(--line); }
.track li a { display: block; padding: 10px 0; color: var(--text); text-decoration: none; }
.track li a span { display: block; font-size: 14px; color: var(--dim); }
.track li[hidden] { display: none; }
.none { margin-top: 20px; color: var(--dim); }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 14px; color: var(--dim); }
@media (max-width: 1180px) { .layout { grid-template-columns: 240px minmax(0, 1fr); gap: 40px; } .here { display: none; } }
@media (max-width: 820px) { .wrap { padding: 28px 20px 64px; } .layout { grid-template-columns: minmax(0, 1fr); gap: 0; } .side { display: none; } h1 { font-size: 28px; } body { font-size: 16px; } }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
@media print { .top, .side, .here, .pager, .try { display: none; } body { background: #fff; color: #000; } }