/**
 * PAINTINGS-LEARN.CSS - Paintings Catalog section styling
 * =======================================================
 * Styles for the paintings catalog learn pages (not works/)
 * Extends the pattern established by last-supper.css
 */

/* ── Explore Section ────────────────────────────── */
.paintings-explore {
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.paintings-explore > h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--space-sm);
}

/* ── Painting Entry (catalog entry for a painting) ── */
.painting-entry {
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  position: relative;
}

.painting-entry::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-xl);
  right: var(--space-xl);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
}

.painting-entry .entry-number {
  font-family: var(--font-display);
  font-size: 2rem;
  color: rgba(212, 175, 55, 0.15);
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  line-height: 1;
}

.painting-entry .entry-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.painting-entry .entry-date {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
}

.painting-entry .entry-location {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-subtle);
}

.painting-entry p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── Attribution Meter (visual confidence bar) ──── */
.attribution-meter {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.attribution-meter .meter-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  min-width: 70px;
}

.attribution-meter .meter-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.attribution-meter .meter-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.meter-fill.confidence-high {
  background: linear-gradient(90deg, var(--color-accent-primary), #4caf50);
}

.meter-fill.confidence-medium {
  background: linear-gradient(90deg, var(--color-accent-primary), #ff9800);
}

.meter-fill.confidence-low {
  background: linear-gradient(90deg, #ff9800, #f44336);
}

.attribution-meter .meter-value {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-accent-primary);
  min-width: 36px;
  text-align: right;
}

/* ── Mystery Callout (hidden element highlight) ── */
.mystery-callout {
  background: rgba(139, 115, 85, 0.06);
  border: 1px solid rgba(139, 115, 85, 0.15);
  border-left: 4px solid #8b7355;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-lg) 0;
}

.mystery-callout .mystery-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #c4a882;
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.mystery-callout p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ── Provenance Chain (ownership history) ────────── */
.provenance-chain {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin: var(--space-lg) 0;
}

.provenance-link {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius);
  padding: var(--space-xs) var(--space-sm);
}

.provenance-arrow {
  color: var(--color-accent-primary);
  font-size: 0.75rem;
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 768px) {
  .painting-entry .entry-number {
    display: none;
  }

  .provenance-chain {
    flex-direction: column;
    align-items: stretch;
  }

  .provenance-arrow {
    text-align: center;
    transform: rotate(90deg);
  }
}