:root{--bg:#fff;--fg:#111;--muted:#555;--line:#e5e5e5;--code:#f5f5f5;--accent:#000;--soon:#8a5a00;--soonbg:#fff6e0;--max:72rem}
*{box-sizing:border-box}
html{font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg);-webkit-text-size-adjust:100%}
body{margin:0}
a{color:var(--accent);text-underline-offset:2px}
header.top{border-bottom:1px solid var(--line)}
header.top .in{max-width:var(--max);margin:0 auto;padding:.9rem 1.25rem;display:flex;gap:1rem;align-items:center;justify-content:space-between}
header.top .brand{font-weight:600;text-decoration:none;letter-spacing:-.01em}
header.top .brand span{color:var(--muted);font-weight:400}
header.top nav a{margin-left:1rem;color:var(--muted);text-decoration:none;font-size:.95rem}
.wrap{max-width:var(--max);margin:0 auto;padding:2rem 1.25rem;display:grid;grid-template-columns:15rem minmax(0,1fr);gap:3rem}
aside.side ol{list-style:none;margin:0;padding:0}
aside.side li{margin:.2rem 0}
aside.side a{display:block;padding:.25rem .5rem;border-radius:4px;color:var(--muted);text-decoration:none;font-size:.95rem}
aside.side a[aria-current]{color:var(--fg);background:var(--code);font-weight:600}
aside.side a:hover{color:var(--fg)}
aside.side .group{margin:1.2rem 0 .3rem;padding:0 .5rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
main{min-width:0}
main h1{font-size:2rem;line-height:1.2;letter-spacing:-.02em;margin:0 0 .5rem}
main .lede{color:var(--muted);font-size:1.1rem;margin:0 0 2rem}
main h2{font-size:1.4rem;margin:2.5rem 0 .75rem;padding-top:1.5rem;border-top:1px solid var(--line);letter-spacing:-.01em}
main h3{font-size:1.1rem;margin:1.75rem 0 .5rem}
main h4{font-size:1rem;margin:1.25rem 0 .4rem}
code{font:.9em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--code);padding:.1em .35em;border-radius:4px}
pre{background:var(--code);padding:1rem;border-radius:6px;overflow:auto;line-height:1.5;border:1px solid var(--line)}
pre code{background:none;padding:0;font-size:.875rem}
.table{overflow:auto;margin:1rem 0}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border:1px solid var(--line);padding:.5rem .7rem;text-align:left;vertical-align:top}
th{background:var(--code)}
blockquote{margin:1rem 0;padding:.75rem 1rem;border-left:3px solid var(--line);color:var(--muted)}
.soon{display:inline-block;font-size:.75rem;font-weight:600;color:var(--soon);background:var(--soonbg);border:1px solid #f0d9a0;border-radius:999px;padding:.05rem .55rem;vertical-align:middle;margin-left:.4rem}
nav.toc{border:1px solid var(--line);border-radius:6px;padding:.75rem 1rem;margin:0 0 2rem;font-size:.95rem}
nav.toc strong{display:block;margin-bottom:.3rem}
nav.toc a{color:var(--muted);text-decoration:none;margin-right:1rem}
footer.bottom{border-top:1px solid var(--line);margin-top:3rem}
footer.bottom .in{max-width:var(--max);margin:0 auto;padding:1.5rem 1.25rem;color:var(--muted);font-size:.9rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between}
.pager{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--line)}
.pager a{text-decoration:none}
.pager small{display:block;color:var(--muted)}
@media (max-width:860px){.wrap{grid-template-columns:1fr;gap:1.5rem}aside.side ol{display:flex;flex-wrap:wrap;gap:.2rem}aside.side .group{display:none}header.top nav{display:none}}
@media (prefers-color-scheme:dark){:root{--bg:#0e0e0e;--fg:#f2f2f2;--muted:#a3a3a3;--line:#2a2a2a;--code:#1a1a1a;--accent:#fff;--soon:#f5c76b;--soonbg:#2a2008}th{background:#161616}pre{border-color:#2a2a2a}.soon{border-color:#5a4a1e}}