/* ── Vector Graph RAG — graph-tech theme ── */
/* Color palette: deep indigo + electric teal on clean backgrounds */

:root {
  --vg-indigo: #3949ab;
  --vg-indigo-dark: #283593;
  --vg-teal: #00bcd4;
  --vg-teal-dim: #0097a7;
  --vg-teal-glow: #4dd0e1;
  --vg-amber: #ffb300;
  --vg-green: #43a047;
  --vg-surface: #f5f7fa;
  --vg-border: #e0e4ea;
}

/* ── Hero heading with graph accent ── */
.md-typeset h1 {
  font-weight: 700;
  border-bottom: 3px solid var(--vg-teal);
  padding-bottom: 0.3em;
  margin-bottom: 0.8em;
}
.md-typeset h2 {
  font-weight: 600;
  color: var(--vg-indigo);
  border-left: 4px solid var(--vg-teal);
  padding-left: 0.6em;
}

[data-md-color-scheme="slate"] .md-typeset h2 {
  color: var(--vg-teal-glow);
}

/* ── Code blocks: clean with teal accent ── */
.md-typeset code {
  border-radius: 4px;
  font-size: 0.82em;
}
.md-typeset pre {
  border-radius: 8px;
  border: 1px solid var(--vg-border);
}
[data-md-color-scheme="slate"] .md-typeset pre {
  border-color: #3a3f55;
}

/* ── Tables: striped with teal header accent ── */
.md-typeset table:not([class]) th {
  background: linear-gradient(135deg, var(--vg-indigo), var(--vg-indigo-dark));
  color: white;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
}
[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background: linear-gradient(135deg, #2a3a5c, #1e2d4d);
  color: var(--vg-teal-glow);
}
.md-typeset table:not([class]) tr:nth-child(even) td {
  background: rgba(0, 188, 212, 0.04);
}
.md-typeset table:not([class]) tr:hover td {
  background: rgba(0, 188, 212, 0.08);
}

/* ── Admonition enhancements ── */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
  border-width: 1px;
  border-left-width: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* ── Tabs styling ── */
.md-typeset .tabbed-labels > label {
  font-weight: 500;
}

/* ── Mermaid diagram polish ── */
.md-typeset .mermaid {
  margin: 1.2em 0;
}

/* ── Navigation tab bar refinement ── */
.md-tabs__link--active {
  font-weight: 600;
}

/* ── Feature cards (for home page grid) ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.feature-card {
  background: var(--vg-surface);
  border: 1px solid var(--vg-border);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 188, 212, 0.12);
}
.feature-card h3 {
  margin-top: 0 !important;
  font-size: 1rem;
  border-left: none !important;
  padding-left: 0 !important;
  color: var(--vg-indigo) !important;
}
.feature-card p {
  margin-bottom: 0;
  font-size: 0.88rem;
  color: #555;
}
[data-md-color-scheme="slate"] .feature-card {
  background: #2a2e42;
  border-color: #3a3f55;
}
[data-md-color-scheme="slate"] .feature-card h3 {
  color: var(--vg-teal-glow) !important;
}
[data-md-color-scheme="slate"] .feature-card p {
  color: #aab2c0;
}

/* ── Pipeline step badges ── */
.step-badge {
  display: inline-block;
  background: var(--vg-indigo);
  color: white;
  border-radius: 50%;
  width: 1.6em;
  height: 1.6em;
  line-height: 1.6em;
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  margin-right: 0.4em;
  vertical-align: middle;
}

/* ── API method badges ── */
.api-method {
  display: inline-block;
  padding: 0.15em 0.5em;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-right: 0.4em;
  vertical-align: middle;
}
.api-get { background: #e3f2fd; color: #1565c0; }
.api-post { background: #e8f5e9; color: #2e7d32; }
.api-put { background: #fff3e0; color: #e65100; }
.api-delete { background: #fce4ec; color: #c62828; }
[data-md-color-scheme="slate"] .api-get { background: #1a3a5c; color: #64b5f6; }
[data-md-color-scheme="slate"] .api-post { background: #1a3c2a; color: #81c784; }
[data-md-color-scheme="slate"] .api-put { background: #3c2a0a; color: #ffb74d; }
[data-md-color-scheme="slate"] .api-delete { background: #3c1a1a; color: #e57373; }

/* ── Color legend swatches (for frontend page) ── */
.color-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  margin-right: 0.3em;
  vertical-align: middle;
  border: 1px solid rgba(0, 0, 0, 0.15);
}
.swatch-seed { background: #f59e0b; }
.swatch-expanded { background: #3b82f6; }
.swatch-selected { background: #10b981; }
.swatch-filtered { background: #94a3b8; }