:root{color-scheme:light;--bg:#f6f6f4;--surface:#fcfcfb;--border:#e2e1dc;--text:#141413;
  --text-2:#52514e;--muted:#7a7974;--accent:#1c5cab;--code:#f0efec}
@media (prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#121211;--surface:#1a1a19;
  --border:#2f2f2c;--text:#f2f1ec;--text-2:#c3c2b7;--muted:#8e8d86;--accent:#86b6ef;--code:#242422}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:40px 20px 72px}
header{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;align-items:baseline;
  margin-bottom:36px}
.brand{font-weight:700;font-size:18px;color:var(--text);text-decoration:none}
nav a{margin-left:16px;color:var(--text-2);text-decoration:none;font-size:15px}
nav a:first-child{margin-left:0}
nav a:hover,a:hover{text-decoration:underline}
h1{font-size:32px;line-height:1.2;margin:0 0 12px}
h2{font-size:20px;margin:36px 0 10px}
.lead{font-size:18px;color:var(--text-2);margin:0 0 28px}
a{color:var(--accent)}
code,pre{font:14px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--code);border-radius:6px}
code{padding:1px 6px}
pre{padding:14px 16px;overflow-x:auto;border:1px solid var(--border)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin:16px 0}
ul{padding-left:22px}li{margin:4px 0}
dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;margin:0}
dt{color:var(--text-2)}dd{margin:0;overflow-wrap:anywhere}
footer{margin-top:56px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted);font-size:14px}