:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666;
  --link: #0645ad;
  --border: #e5e5e5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --fg: #eee;
    --muted: #aaa;
    --link: #8ab4f8;
    --border: #333;
  }
}
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
h1 { font-size: 1.75rem; margin-bottom: 0.25rem; }
h2 { font-size: 1.15rem; margin-top: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3rem; }
.updated { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }
a { color: var(--link); }
ul { padding-left: 1.25rem; }
nav.legal-nav { margin-bottom: 1.5rem; font-size: 0.9rem; }
nav.legal-nav a { margin-right: 1rem; }
strong.warn { text-transform: none; }