:root {
  --bg: #fff8ec;
  --ink: #1f2a24;
  --muted: #5c6660;
  --line: #e6dccb;
  --accent: #1f5a3e;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15241d;
    --ink: #f3ece0;
    --muted: #b7b0a3;
    --line: #2c3d34;
    --accent: #8fcfa9;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 40px 16px 64px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 32px 0 6px; }
p, li { color: var(--ink); }
.updated, footer { color: var(--muted); font-size: 15px; }
a { color: var(--accent); }
nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; font-size: 15px; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); }