:root {
  color-scheme: light dark;
  --bg: #f4f4f5;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #111827;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0d;
    --card: #17171a;
    --text: #f4f4f5;
    --muted: #9ca3af;
    --border: #2a2a2f;
    --accent: #f4f4f5;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

nav.top {
  display: flex;
  gap: 16px;
  align-items: baseline;
  font-size: 14px;
  margin-bottom: 40px;
}

nav.top a {
  color: var(--muted);
  text-decoration: none;
}

nav.top a:hover {
  color: var(--text);
}

h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 20px;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 16px;
  margin: 24px 0 8px;
}

p,
li {
  font-size: 16px;
}

.updated {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 32px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
  display: block;
  overflow-x: auto;
}

th,
td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--card);
  font-weight: 600;
}

a {
  color: var(--text);
  text-underline-offset: 3px;
}

.callout {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 24px 0;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}