:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #a78bfa;
  --border: #334155;
  --link: #818cf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 15px;
  padding: 2rem 1.5rem 3rem;
  max-width: 52rem;
  margin-left: auto;
  margin-right: auto;
}

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

a:hover {
  text-decoration: underline;
}

.vd-header-block {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.vd-brand-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.vd-brand-title a {
  color: var(--text);
}

.vd-brand-title a:hover {
  color: var(--link);
}

.vd-brand-subtitle {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.vd-nav {
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
}

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

.vd-nav a:hover {
  color: var(--link);
}

/* Supporter / ad slot (generated for each variable page + index) */
.support-slot {
  margin: 1.75rem 0 1.25rem;
}

.support-slot-inner {
  min-height: 4.5rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: 10px;
}

.support-slot-inner ins.adsbygoogle {
  display: block;
  min-width: 100%;
}

.vd-nav-sep {
  margin: 0 0.35rem;
  opacity: 0.6;
}

.vd-var-heading {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.vd-var-code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  color: var(--accent);
  font-weight: 600;
  font-size: 1.1em;
  background: transparent;
  border: none;
  padding: 0;
}

.vd-page-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.vd-overview {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-top: 1rem;
}

.vd-overview dl {
  margin: 0;
}

.vd-overview dt {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 0.85rem;
}

.vd-overview dt:first-child {
  margin-top: 0;
}

.vd-overview dd {
  margin: 0.35rem 0 0;
}

.vd-list {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.vd-list li {
  margin: 0.4rem 0;
}

.vd-muted {
  color: var(--muted);
  font-size: 0.88rem;
}

code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.88em;
  background: rgba(15, 23, 42, 0.9);
  padding: 0.12em 0.35em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.vd-site-footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text);
}

.vd-footer-brand {
  margin: 0 0 0.5rem;
  font-weight: 700;
}

.vd-footer-brand a {
  color: var(--text);
}

.vd-footer-brand a:hover {
  color: var(--link);
}

.vd-footer-contact {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.vd-footer-contact a {
  color: var(--link);
}

.vd-generated-note {
  margin-top: 1.25rem;
  font-size: 0.76rem;
  color: var(--muted);
  line-height: 1.5;
}

.vd-severity-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0 0.75rem;
}

.vd-severity-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
}

.vd-badge-critical {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.vd-badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.vd-badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.vd-badge-ok {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.vd-cat-tag {
  font-size: 0.68rem;
  color: var(--muted);
  margin-left: 0.5rem;
  opacity: 0.8;
}

.vd-prevnext {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.vd-prevnext a {
  color: var(--link);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.vd-prevnext a:hover {
  text-decoration: underline;
}

.vd-prevnext .vd-next {
  margin-left: auto;
}

.vd-vendor-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.vd-vendor-link {
  font-size: 0.82rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--link);
  text-decoration: none;
  transition: border-color 0.2s;
}

.vd-vendor-link:hover {
  border-color: var(--link);
  text-decoration: none;
}

.vd-example-code {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.82rem;
  overflow-x: auto;
  margin: 0.5rem 0;
  line-height: 1.6;
}

.vd-example-comment {
  color: #64748b;
  font-style: italic;
}

.vd-theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  font-size: 1rem;
  z-index: 100;
  line-height: 1;
}

.vd-theme-toggle:hover {
  border-color: var(--link);
}

.vd-build-date {
  font-style: italic;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --accent: #7c3aed;
    --border: #e2e8f0;
    --link: #6366f1;
  }

  .vd-example-code {
    background: #f1f5f9;
  }
}

.light-mode {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --accent: #7c3aed;
  --border: #e2e8f0;
  --link: #6366f1;
}

.light-mode .vd-example-code {
  background: #f1f5f9;
}

@media print {
  .support-slot {
    display: none;
  }

  body {
    background: #fff;
    color: #111;
  }

  .vd-overview {
    border-color: #ccc;
    background: #f8fafc;
  }

  a {
    color: #3730a3;
  }

  .vd-badge-critical,
  .vd-badge-warning,
  .vd-badge-info,
  .vd-badge-ok {
    border: 1px solid #999;
  }

  .vd-severity-badge {
    color: #333;
    background: #eee;
  }
}