:root { --bg:#fff; --soft:#f4f6fa; --ink:#0c0e14; --dim:rgba(12,14,20,.66); --edge:rgba(12,14,20,.10); --accent:#08917e; color-scheme: light dark; }
@media (prefers-color-scheme: dark) { :root { --bg:#0b0d12; --soft:#12151c; --ink:#eef1f6; --dim:rgba(238,241,246,.66); --edge:rgba(238,241,246,.12); --accent:#3fd8bb; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font:16px/1.65 -apple-system,BlinkMacSystemFont,"SF Pro Text","Inter","Segoe UI",Roboto,sans-serif; -webkit-font-smoothing:antialiased; }
.wrap { max-width: 820px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); }
.top { border-bottom:1px solid var(--edge); background:var(--soft); }
.top .wrap { display:flex; flex-wrap:wrap; gap:8px 20px; align-items:center; justify-content:space-between; padding-top:14px; padding-bottom:14px; max-width:1180px; }
.brand { font-weight:700; color:var(--ink); text-decoration:none; }
.brand em { font-style:normal; font-weight:500; color:var(--dim); margin-left:6px; font-size:.9em; }
.top nav { display:flex; flex-wrap:wrap; gap:4px 14px; font-size:14px; }
.top nav a { color:var(--dim); text-decoration:none; }
.top nav a[aria-current] { color:var(--ink); font-weight:600; }
.doc { padding-top:40px; padding-bottom:64px; }
h1 { font-size:clamp(30px,5vw,42px); line-height:1.1; letter-spacing:-.02em; margin:0 0 6px; }
h2 { font-size:22px; margin:44px 0 10px; letter-spacing:-.01em; scroll-margin-top:16px; }
h3 { font-size:17px; margin:26px 0 6px; }
.updated { color:var(--dim); margin:0 0 24px; font-size:14px; }
.toc { background:var(--soft); border:1px solid var(--edge); border-radius:14px; padding:14px 18px; font-size:14px; }
.toc ol { margin:0; padding-left:0; list-style:none; columns:2 240px; }
.toc li { margin:2px 0; break-inside:avoid; }
.summary { background:var(--soft); border-left:3px solid var(--accent); border-radius:0 12px 12px 0; padding:14px 18px; margin:22px 0; }
.summary p:first-child { margin-top:0 } .summary p:last-child { margin-bottom:0 }
table { width:100%; border-collapse:collapse; font-size:14px; margin:14px 0; display:block; overflow-x:auto; }
th, td { text-align:left; vertical-align:top; padding:9px 10px; border-bottom:1px solid var(--edge); }
th { background:var(--soft); }
.caps { text-transform:uppercase; font-size:14px; letter-spacing:.01em; }
code { font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:.9em; background:var(--soft); padding:1px 5px; border-radius:5px; }
pre { background:var(--soft); padding:14px; border-radius:12px; overflow-x:auto; font-size:13px; white-space:pre-wrap; }
.foot { border-top:1px solid var(--edge); color:var(--dim); font-size:13px; padding:22px 0 40px; }