:root {
  color-scheme: light dark;
  --bg: #fbfbfa;
  --text: #1c1c1a;
  --muted: #5d5c57;
  --accent: #1c6fd1;
  --line: #e4e3df;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --text: #efeeea;
    --muted: #a9a8a1;
    --accent: #5c9ff0;
    --line: #2c2c2a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
header, main, footer { max-width: 720px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: center; justify-content: space-between; padding-top: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
nav a { color: var(--muted); }
main { padding-top: 24px; padding-bottom: 48px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.2rem; margin: 28px 0 8px; }
.lead { color: var(--muted); font-size: 1.1rem; }
a { color: var(--accent); }
.games { list-style: none; padding: 0; }
.games li { padding: 16px 0; border-bottom: 1px solid var(--line); }
.games h2 { margin-top: 0; }
.play { display: inline-block; margin-top: 4px; padding: 6px 14px; border-radius: 6px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; }
footer { padding-top: 16px; padding-bottom: 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }