:root {
  --bg: #ffffff;
  --fg: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --accent: #15803d;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1917;
    --fg: #f5f5f4;
    --muted: #a8a29e;
    --line: #44403c;
    --accent: #4ade80;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 32px;
}

.brand {
  color: var(--accent);
  font-weight: 700;
  font-size: 24px;
  text-decoration: none;
}

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

h1 {
  font-size: 30px;
  line-height: 1.25;
  margin: 0 0 8px;
}

h2 {
  font-size: 20px;
  margin: 32px 0 8px;
}

.meta,
footer {
  color: var(--muted);
  font-size: 15px;
}

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

li {
  margin: 4px 0;
}