:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --text: #e7ecf3;
  --muted: #94a3b8;
  --accent: #60a5fa;
  --border: #2d3a4f;
  --max: 42rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --accent: #2563eb;
    --border: #e2e8f0;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration-thickness: 0.12em;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

header.site {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

header.site h1 {
  margin: 0 0 0.35rem;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

header.site p.tag {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

nav.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--surface);
  background: var(--accent);
  border-radius: 0.5rem;
  text-decoration: none;
}

.btn:hover {
  filter: brightness(1.08);
  text-decoration: none;
}

.btn.secondary {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
}

main.prose h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
}

main.prose h2:first-of-type {
  margin-top: 0;
}

main.prose h3 {
  margin: 1.35rem 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 650;
}

main.prose section > h2 {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

main.prose section:first-of-type > h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

main.prose p,
main.prose li {
  color: var(--text);
  margin: 0.65rem 0;
}

main.prose ul {
  margin: 0.5rem 0 1rem;
  padding-left: 1.35rem;
}

main.prose .muted {
  color: var(--muted);
  font-size: 0.9rem;
}

footer.site {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88em;
  padding: 0.12em 0.35em;
  border-radius: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
}

.urls-heading {
  margin: 2rem 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.url-list {
  margin: 0.5rem 0 1rem;
  padding-left: 1.35rem;
}

.url-list li {
  margin: 0.45rem 0;
  word-break: break-all;
}

.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem 1.15rem 1.15rem;
  margin: 1.25rem 0 1.75rem;
}

.callout-title {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
}

ol.steps {
  margin: 0;
  padding-left: 1.35rem;
}

ol.steps li {
  margin: 0.75rem 0;
  padding-left: 0.15rem;
}

ol.steps li:first-child {
  margin-top: 0;
}

ol.steps li:last-child {
  margin-bottom: 0;
}