:root {
  color-scheme: light dark;
  --bg: #fdfdf7;
  --fg: #1f2937;
  --muted: #6b7280;
  --accent: #2563eb;
  --border: #e7e5e4;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f0f10; --fg: #e5e7eb; --muted: #9ca3af; --border: #27272a; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; line-height: 1.55; }
main { max-width: 56rem; margin: 0 auto; padding: 3rem 1.25rem 4rem; }
header h1 { font-size: clamp(1.6rem, 2.4vw + 1rem, 2.4rem); margin: 0 0 0.5rem; }
header .lede { color: var(--muted); margin: 0 0 2rem; max-width: 44rem; }
ol.versions { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--border); }
ol.versions li { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: baseline; padding: 1rem 0; border-bottom: 1px solid var(--border); }
ol.versions a { color: var(--accent); text-decoration: none; font-weight: 600; font-size: 1.05rem; }
ol.versions a:hover, ol.versions a:focus { text-decoration: underline; }
ol.versions span { color: var(--muted); font-size: 0.95rem; }
footer { margin-top: 2rem; color: var(--muted); font-size: 0.9rem; }
footer a { color: inherit; }