/*
 * Adapted from the Website Audit Crawler crawl-demo-rich fixture styling.
 * Self-hosted copy for the deterministic change-history demo (no remote CSS).
 */
:root {
  color-scheme: dark light;
  --demo-bg: #07111f;
  --demo-surface: rgba(15, 23, 42, 0.78);
  --demo-border: rgba(148, 163, 184, 0.28);
  --demo-text: #e5edf7;
  --demo-muted: #b6c3d4;
  --demo-subtle: #93c5fd;
  --demo-link: #7dd3fc;
  --demo-link-border: rgba(125, 211, 252, 0.24);
  --demo-link-hover: rgba(125, 211, 252, 0.65);
  --demo-card-bg: rgba(15, 23, 42, 0.54);
  --demo-focus: #38bdf8;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--demo-bg);
  color: var(--demo-text);
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 15% 15%, rgba(34, 197, 94, 0.16), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(59, 130, 246, 0.2), transparent 30%),
    radial-gradient(circle at 70% 85%, rgba(168, 85, 247, 0.14), transparent 32%),
    linear-gradient(135deg, #07111f, #111827 60%, #0f172a);
}

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

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--demo-focus);
  outline-offset: 2px;
}

.page-shell {
  width: min(920px, calc(100vw - 48px));
  margin: 28px auto 40px;
  padding: 32px 36px 28px;
  border: 1px solid var(--demo-border);
  border-radius: 24px;
  background: var(--demo-surface);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.site-header {
  margin-bottom: 8px;
}

.badge {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--demo-subtle);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-eyebrow {
  margin: 0 0 6px;
  color: var(--demo-muted);
  font-size: 0.95rem;
}

.site-title {
  margin: 0 0 10px;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.state-label {
  display: inline-block;
  margin-top: 4px;
  padding: 4px 10px;
  border: 1px solid var(--demo-link-border);
  border-radius: 999px;
  background: var(--demo-card-bg);
  color: var(--demo-muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 26px;
  padding: 0;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 14px;
  border: 1px solid var(--demo-link-border);
  border-radius: 999px;
  background: var(--demo-card-bg);
  color: var(--demo-link);
  text-decoration: none;
  line-height: 1.25;
}

.site-nav a:hover {
  border-color: var(--demo-link-hover);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  border-color: var(--demo-link-hover);
  background: rgba(125, 211, 252, 0.12);
}

main {
  color: var(--demo-muted);
  line-height: 1.65;
}

.page-heading {
  margin: 0 0 14px;
  color: var(--demo-text);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.content-card {
  margin: 18px 0;
  padding: 18px 20px;
  border: 1px solid var(--demo-border);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.45);
}

.content-card h3 {
  margin: 0 0 8px;
  color: var(--demo-text);
  font-size: 1.05rem;
}

.content-card p:last-child,
.content-card ul:last-child {
  margin-bottom: 0;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.link-grid a,
.case-card {
  display: block;
  padding: 14px 16px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 12px;
  background: rgba(248, 250, 252, 0.06);
  color: var(--demo-text);
  text-decoration: none;
}

.link-grid a:hover,
.case-card:hover {
  border-color: var(--demo-link-hover);
  text-decoration: none;
}

.link-grid strong {
  display: block;
  margin-bottom: 6px;
  color: var(--demo-text);
}

.article-list {
  margin: 0;
  padding-left: 1.2rem;
}

.article-list li {
  margin: 0.45rem 0;
}

.site-footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--demo-border);
  color: var(--demo-muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0 0 10px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.muted {
  color: #94a3b8;
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 28px, 920px);
    margin: 14px auto 28px;
    padding: 24px 20px 20px;
    border-radius: 20px;
  }

  .site-nav {
    gap: 8px;
  }

  .site-nav a {
    padding: 7px 12px;
    font-size: 0.92rem;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --demo-bg: #f1f5f9;
    --demo-surface: rgba(255, 255, 255, 0.92);
    --demo-border: rgba(100, 116, 139, 0.28);
    --demo-text: #0f172a;
    --demo-muted: #475569;
    --demo-subtle: #2563eb;
    --demo-link: #0369a1;
    --demo-link-border: rgba(3, 105, 161, 0.2);
    --demo-link-hover: rgba(3, 105, 161, 0.55);
    --demo-card-bg: rgba(241, 245, 249, 0.9);
    --demo-focus: #0284c7;
  }

  body {
    background: radial-gradient(circle at 15% 15%, rgba(34, 197, 94, 0.1), transparent 28%),
      radial-gradient(circle at 85% 20%, rgba(59, 130, 246, 0.12), transparent 30%),
      linear-gradient(135deg, #f8fafc, #e2e8f0 60%, #f1f5f9);
  }

  .link-grid a,
  .case-card {
    background: #f8fafc;
    color: #0f172a;
  }

  .link-grid strong {
    color: #0f172a;
  }
}