.folderTree {
  font-size: 0.875rem;
  user-select: none;
}

.treeNode {
  display: flex;
  align-items: center;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 4px;
  gap: 6px;
  min-height: 32px;
  position: relative;
}

.treeNode:hover {
  background: var(--color-bg-hover, rgba(0, 0, 0, 0.04));
}

.treeNode.selected {
  background: var(--color-bg-selected, rgba(25, 118, 210, 0.08));
  font-weight: 600;
}

.treeNode.multiSelected {
  background: var(--color-bg-multi-selected, rgba(25, 118, 210, 0.14));
  box-shadow: inset 3px 0 0 var(--color-primary, #1976d2);
}

.treeNode.multiSelected:hover {
  background: var(--color-bg-multi-selected-hover, rgba(25, 118, 210, 0.20));
}

.treeNode.dropTarget {
  background: var(--color-bg-drop, rgba(25, 118, 210, 0.15));
  outline: 2px dashed var(--color-primary, #1976d2);
  outline-offset: -2px;
}

.treeNode.dragging {
  opacity: 0.5;
}

.chevron {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.15s ease;
  color: var(--color-text-secondary, #666);
  font-size: 10px;
}

.chevron.expanded {
  transform: rotate(90deg);
}

.chevron.empty {
  visibility: hidden;
}

.folderIcon {
  flex-shrink: 0;
  color: var(--color-text-secondary, #888);
  font-size: 14px;
}

.folderName {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.renameInput {
  flex: 1;
  border: 1px solid var(--color-primary, #1976d2);
  border-radius: 3px;
  padding: 1px 4px;
  font-size: inherit;
  font-family: inherit;
  outline: none;
  min-width: 0;
}

.actions {
  display: none;
  gap: 2px;
  margin-left: auto;
  flex-shrink: 0;
}

.treeNode:hover .actions {
  display: flex;
}

.actionBtn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  color: var(--color-text-secondary, #888);
  font-size: 12px;
  line-height: 1;
  display: flex;
  align-items: center;
}

.actionBtn:hover {
  background: var(--color-bg-hover, rgba(0, 0, 0, 0.08));
  color: var(--color-text-primary, #333);
}

.actionBtn.danger:hover {
  color: var(--color-error, #d32f2f);
}

.children {
  padding-left: 16px;
}

.rootLabel {
  font-weight: 600;
  color: var(--color-text-primary, #333);
}

/* File nodes inside the tree */
.fileNode {
  cursor: pointer;
}

.fileNode:hover {
  background: var(--color-bg-hover, rgba(0, 0, 0, 0.04));
}

.fileIcon {
  flex-shrink: 0;
  font-size: 12px;
}

.fileSize {
  font-size: 10px;
  color: var(--color-text-secondary, #999);
  flex-shrink: 0;
  margin-left: auto;
}

.rootActions {
  display: flex;
  gap: 2px;
  margin-left: auto;
  flex-shrink: 0;
}