:root {
  --bg: #fbfaf7;
  --text: #1d1c1a;
  --muted: #66625b;
  --line: #e6e2da;
  --accent: #4b5bd6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141412;
    --text: #ecebe7;
    --muted: #a19d95;
    --line: #2c2b28;
    --accent: #8f9bff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
header { margin-bottom: 32px; }
.brand { color: var(--text); font-weight: 700; text-decoration: none; letter-spacing: -0.01em; }
h1 { font-size: 2rem; line-height: 1.2; margin: 24px 0 4px; letter-spacing: -0.02em; }
h2 { font-size: 1.2rem; margin: 36px 0 8px; }
.updated { color: var(--muted); margin: 0; }
a { color: var(--accent); }
ul { padding-left: 1.2em; }
li { margin: 4px 0; }
footer { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--muted); margin-right: 16px; }