:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #2b5cff;
  --border: #e4e4e7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101012;
    --fg: #ececee;
    --muted: #a0a0a8;
    --accent: #7d9bff;
    --border: #2a2a30;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 3rem 1.25rem 5rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main { max-width: 46rem; margin: 0 auto; }

h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 .5rem; }
h2 { font-size: 1.2rem; margin: 2.25rem 0 .6rem; }

.updated { color: var(--muted); font-size: .9rem; margin: 0 0 2rem; }

a { color: var(--accent); }

ul { padding-left: 1.2rem; }
li { margin: .3rem 0; }

.box {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
}

.lang {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}