:root { color-scheme: light dark; --fg: #1c1c1e; --muted: #5e5e66; --bg: #ffffff;
  --line: #d8d8dd; --accent: #0b4ea2; --code: #f2f2f7; }
@media (prefers-color-scheme: dark) { :root { --fg: #f2f2f7; --muted: #aeaeb2; --bg: #000000;
  --line: #3a3a3c; --accent: #5aa7ff; --code: #1c1c1e; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); line-height: 1.55;
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
.wrap { max-width: 44rem; margin: 0 auto; padding: 2rem 1rem 4rem; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current] { color: var(--accent); }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 2rem 0 .5rem; }
h2 { font-size: 1.3rem; margin: 2.2rem 0 .5rem; }
h3 { font-size: 1.05rem; margin: 1.6rem 0 .4rem; }
a { color: var(--accent); }
code { background: var(--code); padding: .1em .35em; border-radius: 4px; font-size: .9em; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .95rem; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: .5rem .6rem; text-align: left; vertical-align: top; }
th { background: var(--code); }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }