:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #ffffff;
  --muted: #666666;
  --border: #dddddd;
  --link: #2454b0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --bg: #14161a;
    --muted: #9a9a9a;
    --border: #33363c;
    --link: #7aa7ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2.5rem 1.25rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 640px;
  margin: 0 auto;
}

nav {
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

h1 { font-size: 1.75rem; margin-bottom: 0.25rem; }
h2 { font-size: 1.15rem; margin-top: 2.25rem; }

.tagline, .updated { color: var(--muted); }

a { color: var(--link); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { color: var(--muted); font-weight: 600; }

code {
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-size: 0.9em;
}

footer {
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}