:root {
  color-scheme: light dark;
  --bg: #fafaf9;
  --text: #1c1917;
  --muted: #57534e;
  --border: #e7e5e4;
  --accent: #15803d;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0a09;
    --text: #f5f5f4;
    --muted: #a8a29e;
    --border: #292524;
    --accent: #4ade80;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
}
header {
  border-bottom: 1px solid var(--border);
}
header a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 64px;
  font-weight: 700;
  text-decoration: none;
  color: inherit;
}
header img {
  width: 30px;
  height: 30px;
}
.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}
main {
  padding: 32px 0 64px;
}
h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 6px;
}
.updated {
  color: var(--muted);
  margin: 0 0 32px;
}
h2 {
  font-size: 1.2rem;
  margin: 32px 0 8px;
}
p,
li {
  color: var(--text);
}
ul,
ol {
  padding-left: 1.3rem;
}
a {
  color: var(--accent);
}
footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}