:root {
  --bg: #faf7f2;
  --text: #1d1b18;
  --muted: #5d5850;
  --rule: #e4ddd2;
  --link: #8a3b12;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161412; --text: #eee9e1; --muted: #a59e93; --rule: #2e2a25; --link: #f0a070; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 80px; }
nav { display: flex; gap: 20px; font-size: 15px; margin-bottom: 40px; }
a { color: var(--link); }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 40px 0 8px; padding-top: 16px; border-top: 1px solid var(--rule); }
.meta { color: var(--muted); font-size: 15px; margin: 0 0 32px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 8px 8px 0; border-bottom: 1px solid var(--rule); }
th { font-weight: 600; }
footer { margin-top: 64px; color: var(--muted); font-size: 14px; }