.comment-version-navigator {
  display: flex;
  align-items: center;
  gap: var(--space-2, 0.25rem);
  margin-top: var(--space-2, 0.25rem);
  font-size: var(--text-xs, 0.75rem);
}

.comment-version-btn {
  background: none;
  border: 1px solid var(--border-color, #ddd);
  border-radius: var(--radius-1, 4px);
  cursor: pointer;
  padding: 0 var(--space-2, 0.25rem);
  font-size: var(--text-xs, 0.75rem);
  line-height: 1.6;
  color: var(--text-color, #333);
}

.comment-version-btn:hover:not(:disabled) {
  background: var(--surface-hover, #f0f0f0);
}

.comment-version-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.comment-version-indicator {
  color: var(--text-muted, #888);
  font-variant-numeric: tabular-nums;
  min-width: 3em;
  text-align: center;
}

.comment-version-delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted, #888);
  font-size: var(--text-xs, 0.75rem);
  padding: 0 var(--space-1, 0.125rem);
  margin-left: var(--space-1, 0.125rem);
}

.comment-version-delete-btn:hover {
  color: var(--danger-color, #e53e3e);
}

.comment-version-selected {
  color: var(--primary-color, #4a90d9);
  font-weight: bold;
}

.comment-version-select-btn {
  background: none;
  border: 1px solid var(--primary-color, #4a90d9);
  border-radius: var(--radius-1, 4px);
  cursor: pointer;
  color: var(--primary-color, #4a90d9);
  font-size: var(--text-xs, 0.75rem);
  padding: 0 var(--space-2, 0.25rem);
  margin-left: var(--space-1, 0.125rem);
  line-height: 1.6;
}

.comment-version-select-btn:hover:not(:disabled) {
  background: var(--primary-color, #4a90d9);
  color: white;
}

.comment-version-select-btn:disabled,
.comment-version-delete-btn:disabled {
  opacity: 0.3;
  cursor: default;
}