:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --border: #e2e2e2;
  --link: #0b62d6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #eaeaea;
    --muted: #a3a3a3;
    --border: #2c2c2c;
    --link: #6ea8fe;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 1.25rem;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

header {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

header a {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
}

h1 {
  font-size: 1.6rem;
  margin-top: 0;
}

h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
}

p, li {
  color: var(--fg);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem 0.5rem 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--muted);
}

footer nav {
  margin-top: 0.5rem;
}

footer nav a {
  margin-right: 1rem;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
}