/* styles/gallery.css — photo album/gallery visuals: semester preview "windows" and
   the nested event-album chips inside each one */

.semester-window {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}

.semester-window-preview {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  height: 160px;
}

/* Placeholder photo tiles — swapped for real thumbnails once Phase 5 wires up
   Supabase Storage. Alternating tones keep the mosaic from looking flat. */
.semester-window-tile {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  opacity: 0.7;
}

.semester-window-tile:nth-child(even) {
  opacity: 0.5;
}

.semester-window-header {
  padding: var(--space-4) var(--space-5) var(--space-2);
}

.semester-window-header h3 {
  margin-bottom: 0;
  color: var(--color-primary);
}

.semester-window-albums {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0 var(--space-5) var(--space-5);
}

.album-chip {
  display: inline-block;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
}

@media (max-width: 640px) {
  .semester-window-preview {
    grid-template-columns: repeat(3, 1fr);
    height: 120px;
  }
}