:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666666;
  --rule: #e5e5e5;
  --accent: #ec7352;
  --code-bg: #f4f4f4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #e5e5e5;
    --muted: #a0a0a0;
    --rule: #2a2a2a;
    --accent: #ff8a65;
    --code-bg: #1e1e1e;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

header .brand {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

header h1 {
  margin: 0 0 4px;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

header .updated {
  color: var(--muted);
  font-size: 14px;
}

h2 {
  font-size: 22px;
  margin-top: 40px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 17px;
  margin-top: 28px;
  margin-bottom: 8px;
}

p, li {
  margin: 0 0 12px;
}

ul {
  padding-left: 22px;
}

strong {
  color: var(--fg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  font-family: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 15px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

th {
  font-weight: 600;
  background: var(--code-bg);
}

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 48px 0;
}

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 14px;
}

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

.nav {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 14px;
}

.nav a {
  color: var(--muted);
}