:root{--bg:#fbfaf7;--fg:#1d1d1b;--muted:#5d5b55;--line:#dedad0;--accent:#8a3b12;--link:#1f4e8c;--panel:#f2efe7;--banner:#fff6df;--code:#f0ede4}
@media (prefers-color-scheme:dark){:root{--bg:#141413;--fg:#e9e6df;--muted:#a8a49a;--line:#35332f;--accent:#e2986a;--link:#8fb4ec;--panel:#1d1c1a;--banner:#2a2419;--code:#23221f}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 Georgia,"Iowan Old Style","Palatino Linotype",serif}
a{color:var(--link)}
header.site{border-bottom:1px solid var(--line);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;font-size:.92rem}
header.site .inner{max-width:1180px;margin:0 auto;padding:.9rem 1.2rem;display:flex;flex-wrap:wrap;gap:.5rem 2rem;align-items:baseline;justify-content:flex-start}
header.site .home{font-weight:700;color:var(--fg);text-decoration:none}
header.site nav a{margin-right:1rem;color:var(--muted);text-decoration:none}
header.site nav a:hover{color:var(--link)}
.wrap{max-width:1180px;margin:0 auto;padding:1.5rem 1.2rem 3rem}
.wrap.with-toc{display:grid;grid-template-columns:260px minmax(0,1fr);gap:2.2rem}
main{max-width:46rem;min-width:0}
.toc{position:sticky;top:1rem;align-self:start;max-height:calc(100vh - 2rem);overflow:auto;font:13.5px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;border-right:1px solid var(--line);padding-right:1rem}
.toc ul{list-style:none;padding-left:.8rem;margin:.2rem 0}.toc>div>ul,.toc>ul{padding-left:0}
.toc a{color:var(--muted);text-decoration:none}.toc a:hover{color:var(--link)}
.toc-title{font-weight:700;margin-bottom:.4rem;color:var(--fg)}
.crumbs{font:13px system-ui,-apple-system,sans-serif;color:var(--muted);margin-bottom:.6rem}
.crumbs a{color:var(--muted)}
.tools{font:13px system-ui,-apple-system,sans-serif;text-align:right}
.tools a{color:var(--muted)}
.banner{background:var(--banner);border:1px solid var(--line);border-left:4px solid var(--accent);padding:.7rem .9rem;margin:.8rem 0 1.4rem;font:14px/1.5 system-ui,-apple-system,sans-serif}
h1,h2,h3,h4{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.25;letter-spacing:-.01em}
h1{font-size:2rem;margin:.4rem 0 1rem}h2{font-size:1.4rem;margin-top:2.2rem;padding-top:.4rem;border-top:1px solid var(--line)}h3{font-size:1.12rem;margin-top:1.6rem}
.anchor{visibility:hidden;margin-left:.3rem;text-decoration:none;color:var(--muted)}h2:hover .anchor,h3:hover .anchor{visibility:visible}
blockquote{margin:1rem 0;padding:.2rem 1rem;border-left:3px solid var(--line);color:var(--muted)}
code{background:var(--code);padding:.05rem .3rem;border-radius:3px;font-size:.88em}
pre{background:var(--code);padding:.8rem;overflow:auto;border-radius:4px;font-size:.85rem;line-height:1.4}
pre code{background:none;padding:0}
.table-wrap,table{display:block;overflow-x:auto;max-width:100%}
table{border-collapse:collapse;margin:1rem 0;font:14px/1.45 system-ui,-apple-system,sans-serif}
th,td{border:1px solid var(--line);padding:.35rem .55rem;vertical-align:top;text-align:left}
th{background:var(--panel)}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
.footnote{font-size:.9rem;color:var(--muted)}
footer.site{border-top:1px solid var(--line);color:var(--muted);font:13px/1.5 system-ui,-apple-system,sans-serif}
footer.site .inner{max-width:1180px;margin:0 auto;padding:1.2rem}
@media (max-width:900px){.wrap.with-toc{display:block}.toc{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--line);padding:0 0 1rem;margin-bottom:1rem}}
@media print{header.site,.toc,.tools,footer.site{display:none}.wrap.with-toc{display:block}body{background:#fff;color:#000}}