:root {
  --bg: #101412;
  --text: #e8eee9;
  --muted: #8a9a92;
  --accent: #c8f560;
  --line: #2c3732;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: ui-monospace, "IBM Plex Mono", monospace;
  background: radial-gradient(900px 500px at 0% -10%, #1a2a22, transparent), var(--bg);
  color: var(--text);
  padding: 48px 24px;
  line-height: 1.5;
}
.mark {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0;
}
.sub { color: var(--muted); margin: 8px 0 32px; }
pre {
  background: #0c0f0d;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
}
.warn { color: #e8c36a; font-size: 0.9rem; }
footer { margin-top: 48px; color: var(--muted); font-size: 0.85rem; }
a { color: var(--accent); }