:root{--bg:#fff;--fg:#172b4d;--muted:#5e6c84;--accent:#0c66e4;--card:#f7f8f9;--line:#dfe1e6}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#1d2125;--fg:#dee4ea;--muted:#9fadbc;--accent:#579dff;--card:#22272b;--line:#38414a}}
:root[data-theme="dark"]{--bg:#1d2125;--fg:#dee4ea;--muted:#9fadbc;--accent:#579dff;--card:#22272b;--line:#38414a}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:780px;margin:0 auto;padding:0 16px}
header.site{border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px}
.brand{font-weight:700;font-size:1.15rem;color:var(--fg);text-decoration:none;letter-spacing:.01em}
header.site nav{display:flex;gap:16px;font-size:.95rem}
main{padding-top:32px;padding-bottom:56px}
h1{font-size:1.9rem;line-height:1.25;margin:0 0 8px}
h2{font-size:1.25rem;margin:36px 0 8px;padding-top:12px;border-top:1px solid var(--line)}
h3{font-size:1.02rem;margin:22px 0 4px}
.lead{color:var(--muted);margin-top:0}
a{color:var(--accent)}
.toc{display:flex;gap:16px;flex-wrap:wrap;margin:12px 0;font-size:.95rem}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{text-align:left;vertical-align:top;padding:8px;border-bottom:1px solid var(--line)}
th{background:var(--card)}
code{background:var(--card);padding:1px 5px;border-radius:4px;font-size:.9em}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
.products{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.products .card h3{margin-top:0}
.products .card p{margin:4px 0 8px}
.tag{display:inline-block;font-size:.8rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:0 8px}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;padding:20px 0 32px}