:root {
  --bg: #fafaf7;
  --fg: #1c1c1a;
  --muted: #6b6b66;
  --accent: #b073ff;
  --rule: #e2e2dc;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111312;
    --fg: #e6e6e1;
    --muted: #8e918c;
    --accent: #b073ff;
    --rule: #2a2d2b;
    --card: #181b19;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}
main { max-width: 640px; margin: 0 auto; padding: 64px 16px 48px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0 0 4px; }
h1 .prompt { color: var(--accent); }
h2 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 48px 0 12px; font-weight: 600; }
ul { list-style: none; padding: 0; margin: 0; }
.links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.links a::before { content: "→ "; color: var(--muted); }
footer { margin-top: 64px; color: var(--muted); font-size: .8rem; }