:root {
  --bg: #0b0d10;
  --surface: #15181d;
  --text: #f3f5f7;
  --muted: #a0a8b4;
  --accent: #c6f24e;
}
:root[data-theme="light"] {
  --bg: #ffffff;
  --surface: #f4f6f2;
  --text: #121417;
  --muted: #4a5260;
  --accent: #4f7d10;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #ffffff;
    --surface: #f4f6f2;
    --text: #121417;
    --muted: #4a5260;
    --accent: #4f7d10;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.25rem; margin-top: 2em; }
.brand { color: var(--accent); font-weight: 800; letter-spacing: -0.5px; }
.updated { color: var(--muted); margin-bottom: 2em; }
.card {
  background: var(--surface);
  border-radius: 16px;
  padding: 16px 20px;
  margin: 1em 0;
}
a { color: var(--accent); }
nav a { margin-right: 16px; }
li { margin: 0.3em 0; }