:root { --bg: #ffffff; --fg: #1d1d1f; --muted: #6e6e73; --line: #e5e5ea; --link: #3b5bdb; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #121214; --fg: #f2f2f7; --muted: #a1a1a6; --line: #2c2c2e; --link: #8ea2ff; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.7rem; line-height: 1.25; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
a { color: var(--link); }
.meta, .nav { color: var(--muted); font-size: 0.9rem; }
.nav { margin-bottom: 24px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
th { background: color-mix(in srgb, var(--line) 50%, transparent); }