:root {
  color-scheme: light dark;
  --text: #1a1a1a;
  --muted: #555;
  --bg: #fafafa;
  --border: #ddd;
  --link: #0b57d0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e8e8e8;
    --muted: #aaa;
    --bg: #121212;
    --border: #333;
    --link: #8ab4f8;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem 1.5rem;
}

.site-title {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

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

.site-nav a:hover {
  color: var(--link);
}

.content h1 {
  margin-top: 0;
  line-height: 1.2;
}

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

.content pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.content table {
  border-collapse: collapse;
  width: 100%;
}

.content th,
.content td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}