:root { --bg:#f7f7f5; --fg:#1c1c1a; --muted:#5c5c57; --line:#dcdcd6; --accent:#1f4fbf; --accent-ink:#ffffff; --code:#ecece8; --side:#f1f1ee; --mark:#d8e0f5; }
@media (prefers-color-scheme: dark) { :root { --bg:#141416; --fg:#e7e7e2; --muted:#a0a09a; --line:#2c2c30; --accent:#7ea2ff; --accent-ink:#0f1a33; --code:#1d1d21; --side:#18181b; --mark:#22304f; } }
* { box-sizing: border-box; }
html { font-family: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif; font-size: 16px; line-height: 1.6; color: var(--fg); background: var(--bg); -webkit-text-size-adjust: 100%; }
body { margin: 0; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
.top { display: flex; align-items: baseline; gap: 16px; padding: 14px 24px; border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 600; color: var(--fg); display: inline-flex; align-items: center; gap: 10px; }
.mark { width: 12px; height: 12px; border-radius: 3px; background: var(--accent); display: inline-block; }
.sub { color: var(--muted); } .built { margin-left: auto; color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.shell { display: grid; grid-template-columns: 250px minmax(0, 78ch) 230px; gap: 40px; max-width: 1360px; margin: 0 auto; padding: 24px 24px 80px; }
.side { position: sticky; top: 64px; align-self: start; max-height: calc(100vh - 80px); overflow: auto; font-size: 14px; }
.side summary { display: none; }
.side h4 { margin: 18px 0 6px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.side h4:first-child { margin-top: 0; }
.side ul { list-style: none; margin: 0; padding: 0; } .side li a { display: block; padding: 5px 10px; border-radius: 6px; color: var(--fg); }
.side li a:hover { background: var(--side); text-decoration: none; } .side li a[aria-current="page"] { background: var(--mark); font-weight: 500; }
.side li a.missing { color: var(--muted); pointer-events: none; }
.doc { min-width: 0; } .doc > h1 { font-size: 2rem; line-height: 1.15; letter-spacing: -0.01em; margin: 8px 0 20px; }
.doc h2 { font-size: 1.35rem; margin: 44px 0 12px; padding-top: 18px; border-top: 1px solid var(--line); letter-spacing: -0.005em; }
.doc h3 { font-size: 1.1rem; margin: 28px 0 8px; } .doc h4 { font-size: 1rem; margin: 20px 0 6px; }
.doc p, .doc li { max-width: 78ch; } .doc li { margin: 4px 0; }
.doc .anchor { position: absolute; margin-left: -1.1em; color: var(--line); font-weight: 400; } .doc h2:hover .anchor, .doc h3:hover .anchor { color: var(--accent); }
.doc h2, .doc h3 { position: relative; }
.doc code { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 0.875em; background: var(--code); padding: 1px 5px; border-radius: 4px; }
.doc pre { background: var(--code); padding: 14px 16px; border-radius: 8px; overflow: auto; font-size: 13px; line-height: 1.5; } .doc pre code { background: none; padding: 0; font-size: inherit; }
.doc pre.mermaid { background: transparent; text-align: center; }
.doc blockquote { margin: 16px 0; padding: 4px 16px; border-left: 3px solid var(--accent); color: var(--muted); }
.table-wrap { overflow: auto; margin: 16px 0; } table { border-collapse: collapse; font-size: 14px; min-width: 100%; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; } th { font-weight: 600; background: var(--side); }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.doc img { max-width: 100%; }
.toc { position: sticky; top: 64px; align-self: start; max-height: calc(100vh - 80px); overflow: auto; font-size: 13px; }
.toc h4 { margin: 0 0 8px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.toc ul { list-style: none; margin: 0; padding: 0; } .toc li { margin: 3px 0; } .toc li.d3 { padding-left: 14px; } .toc a { color: var(--muted); } .toc a:hover { color: var(--accent); }
.foot { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.index-list { list-style: none; padding: 0; margin: 0; } .index-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.index-list a { font-weight: 500; font-size: 1.05rem; } .index-list .desc { color: var(--muted); margin: 2px 0 0; } .index-list .meta { color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12px; margin-left: 8px; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px 28px; margin: 14px 0 6px; font-size: 14px; } .facts div { padding: 10px 0; border-top: 1px solid var(--line); } .facts b { display: block; font-weight: 600; }
@media (max-width: 1100px) { .shell { grid-template-columns: 1fr; gap: 16px; padding: 16px; } .side { position: static; max-height: none; } .side summary { display: block; cursor: pointer; font-weight: 600; margin-bottom: 6px; } .toc { display: none; } .top { flex-wrap: wrap; padding: 12px 16px; } .built { margin-left: 0; width: 100%; } }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }