body {
  min-height: 100vh;
  background: var(--muted);
}

.page-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.page-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.page-brand .name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.page-brand .tag {
  font-size: 11px;
  color: var(--muted-foreground);
  margin-top: 2px;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-nav a {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-foreground);
  text-decoration: none;
  background: white;
  transition: 0.15s;
}

.page-nav a:hover,
.page-nav a.is-active {
  color: var(--primary);
  border-color: rgba(3, 52, 110, 0.25);
  background: rgba(3, 52, 110, 0.06);
}

.page-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
}

.page-card h1 {
  font-size: 28px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.page-lead {
  font-size: 14px;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 28px;
}

.page-section {
  margin-bottom: 24px;
}

.page-section h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 8px;
}

.page-section p,
.page-section li {
  font-size: 14px;
  color: var(--muted-foreground);
  line-height: 1.7;
}

.page-section ul {
  padding-left: 20px;
  margin-top: 8px;
}

.page-section li + li {
  margin-top: 6px;
}

.page-updated {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted-foreground);
}

.page-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
  font-size: 12px;
}

.page-footer-links a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.page-footer-links a:hover {
  text-decoration: underline;
}