:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --accent: #5865F2;
  --border: #e5e5e5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181c;
    --fg: #eaeaea;
    --muted: #a3a3a3;
    --border: #2c2d33;
  }
}

* { box-sizing: border-box; }

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 4px;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

h2 {
  font-size: 1.05rem;
  margin-top: 36px;
  margin-bottom: 8px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

h1 + p, .updated + p { margin-top: 0; }

p { margin: 0 0 12px; }

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

nav {
  margin-bottom: 32px;
  font-size: 0.9rem;
}

nav a { margin-right: 16px; }

footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}