:root {
  --bg: #ffffff;
  --fg: #1a1d21;
  --muted: #555c66;
  --accent: #0a66c2;
  --rule: #e2e5e9;
  --card: #f5f6f8;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e8eaed;
    --muted: #9aa2ad;
    --accent: #6ab0f3;
    --rule: #2a2e35;
    --card: #1c1f24;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 44rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 0.4rem; }
h2 { font-size: 1.25rem; margin: 2.2rem 0 0.6rem; }
h3 { font-size: 1.05rem; margin: 1.6rem 0 0.4rem; }
p, li { color: var(--fg); }
.meta { color: var(--muted); font-size: 0.95rem; margin-bottom: 2rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
nav.site {
  border-bottom: 1px solid var(--rule);
  padding: 0.9rem 1.25rem;
  display: flex; gap: 1.4rem; align-items: baseline;
  max-width: 44rem; margin: 0 auto;
}
nav.site .brand { font-weight: 700; color: var(--fg); }
nav.site a { color: var(--muted); font-size: 0.95rem; }
nav.site a.brand { color: var(--fg); font-size: 1rem; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1.2rem 0;
}
footer {
  border-top: 1px solid var(--rule);
  margin-top: 3rem; padding-top: 1.2rem;
  color: var(--muted); font-size: 0.9rem;
  display: flex; flex-wrap: wrap; gap: 1.2rem;
}
code { background: var(--card); border-radius: 4px; padding: 0.1rem 0.35rem; font-size: 0.9em; }
.tagline { font-size: 1.25rem; color: var(--muted); max-width: 34rem; }
ul { padding-left: 1.3rem; }