:root{color-scheme:light dark;--bg:#f5f6f8;--fg:#1b1f24;--card:#fff;--muted:#5b6470;--accent:#0b5cad;--accent-fg:#fff;--line:#d9dde3}
@media (prefers-color-scheme:dark){:root{--bg:#14171b;--fg:#e8eaed;--card:#1d2127;--muted:#a3abb5;--accent:#5aa2ef;--accent-fg:#0b1320;--line:#343a42}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;padding:16px}
.card{max-width:40rem;margin:10vh auto 0;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
h1{font-size:1.4rem;margin:0 0 12px}
p{color:var(--muted)}
dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:16px 0}
dt{color:var(--muted)}
dd{margin:0;overflow-wrap:anywhere}
code{font-size:.9em}
a{color:var(--accent)}
a.button{display:inline-block;background:var(--accent);color:var(--accent-fg);text-decoration:none;padding:10px 18px;border-radius:8px;font-weight:600}