:root {
  --bg: #ffffff;
  --text: #1c2a2e;
  --muted: #52646a;
  --accent: #0e5e6f;
  --rule: #d9e2e4;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101a1d;
    --text: #e6eef0;
    --muted: #a3b5ba;
    --accent: #6cc3d3;
    --rule: #2a3a3f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 42rem; margin: 0 auto; padding: 2rem 1rem 4rem; }
header { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.app { font-weight: 600; color: var(--accent); text-decoration: none; }
nav a { color: var(--muted); margin-left: 1rem; }
h1 { font-size: 1.8rem; line-height: 1.2; margin: 1.5rem 0 0.25rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 0.5rem; }
.updated, .note { color: var(--muted); font-size: 0.95rem; }
a { color: var(--accent); }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 0.5rem 0.5rem 0.5rem 0; border-bottom: 1px solid var(--rule); }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.9rem; }