:root {
  color-scheme: dark;
  --bg: #121212;
  --card: #1e1e1e;
  --text: #e8e8e8;
  --muted: #9e9e9e;
  --accent: #ffc107;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}
h1 { color: var(--accent); font-size: 1.8rem; }
h2 { font-size: 1.2rem; margin-top: 2rem; }
a { color: var(--accent); }
header.site {
  padding: 16px 20px;
  border-bottom: 1px solid #2a2a2a;
  display: flex;
  align-items: center;
  gap: 10px;
}
header.site a { text-decoration: none; font-weight: 700; color: var(--text); }
header.site .logo { color: var(--accent); font-size: 1.3rem; }
.muted { color: var(--muted); font-size: 0.9rem; }
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 20px;
  margin: 16px 0;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #121212;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 24px;
  text-decoration: none;
}
footer {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid #2a2a2a;
}
footer a { color: var(--muted); }
ul { padding-left: 1.2rem; }