:root {
  color-scheme: light dark;
  --surface: #fcf8f8; --card: #ffffff; --on-surface: #1c1b1b; --on-surface-variant: #444747;
  --outline-variant: #c4c7c7; --link: #075cf2; --warning: #96610e; --warning-container: #ffdfb0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --surface: #121211; --card: #1b1b1a; --on-surface: #e5e2e1; --on-surface-variant: #c4c7c7;
    --outline-variant: #444747; --link: #a9c7ff; --warning: #f2be6b; --warning-container: #5f3d00;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--surface); color: var(--on-surface);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--link); }
.bar, main, footer { max-width: 44rem; margin: 0 auto; padding: 0 16px; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding-top: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--outline-variant); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--on-surface); text-decoration: none; }
.brand img { border-radius: 7px; }
nav { display: flex; gap: 16px; }
nav a { color: var(--on-surface-variant); text-decoration: none; }
nav a[aria-current="page"] { color: var(--on-surface); font-weight: 600; }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 1.15rem; margin: 28px 0 6px; }
h3 { font-size: 1rem; margin: 22px 0 4px; }
p { margin: 0 0 12px; overflow-wrap: anywhere; }
.lead { font-size: 1.1rem; color: var(--on-surface-variant); }
.updated { font: 13px ui-monospace, "SF Mono", Menlo, monospace; color: var(--on-surface-variant); }
.callout { margin: 24px 0; padding: 4px 16px 8px; border-radius: 12px;
  background: color-mix(in srgb, var(--warning-container) 60%, var(--card));
  border: 1px solid color-mix(in srgb, var(--warning) 45%, transparent); }
.links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; }
footer { padding-top: 20px; padding-bottom: 40px; border-top: 1px solid var(--outline-variant);
  font-size: 14px; color: var(--on-surface-variant); }
footer p { margin: 0 0 6px; }