/* canvas-tab.css — Phase 7: Canvas tab styles
 *
 * Two sub-tabs:
 *   - Drawings: thumbnail grid of .excalidraw files (4:3 cards, 180px min)
 *   - OCR'd handwriting: note-row list (reuses .note-row from notes-tab.css)
 *
 * .subtabs comes from practice-tab.css.
 */

.canvas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.canvas-thumb {
  aspect-ratio: 4/3;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: border-color 0.08s;
}
.canvas-thumb:hover { border-color: var(--border-hi); }

.canvas-preview {
  flex: 1;
  background: var(--bg-3);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-4);
}

.canvas-info { padding-top: 8px; }
.canvas-info .name {
  font-size: var(--fs-md);
  font-weight: 500;
}
.canvas-info .meta {
  font-size: var(--fs-xs);
  color: var(--text-3);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.canvas-thumb.new {
  border-style: dashed;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
}
.canvas-thumb.new:hover {
  color: var(--text);
  border-color: var(--border-hi);
}
.canvas-thumb.new .text {
  font-size: var(--fs-sm);
  margin-top: 6px;
}