.ui-tree {
  color: var(--ui-text-primary);
  font-family: var(--ui-font);
  font-variant-numeric: tabular-nums;
}
.ui-tree__row {
  position: relative;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  height: 32px;
  padding-right: var(--ui-space-8);
  border-radius: var(--ui-radius-6);
  font-size: var(--ui-font-size-body);
  line-height: var(--ui-line-height-body);
  font-weight: var(--ui-font-weight-body);
  cursor: pointer;
}
.ui-tree__row:hover { background: var(--ui-fill-3); }
.ui-tree__row[aria-selected="true"] { background: var(--ui-selection-bg); }
.ui-tree__row[aria-selected="true"] .ui-tree__label { color: var(--ui-selection-text); font-weight: var(--ui-font-weight-body-strong); }
.ui-tree__row[aria-selected="true"] .ui-tree__icon { color: var(--ui-selection-text); }
.ui-tree__row:focus-visible { outline: 2px solid var(--ui-accent); outline-offset: -2px; }
.ui-tree__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 12px;
  height: 12px;
  padding: 0;
  margin-right: var(--ui-space-4);
  border: 0;
  background: transparent;
  color: var(--ui-text-tertiary);
  cursor: pointer;
}
.ui-tree__chevron, .ui-tree__icon, .ui-tree__action-icon { display: flex; flex: none; }
.ui-tree__chevron.is-open { transform: rotate(90deg); }
:where(.ui-tree__icon) { margin-right: var(--ui-space-8); color: var(--ui-text-secondary); }
.ui-tree__icon--folder { color: var(--ui-tree-folder-color); }
.ui-tree__label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ui-tree__count {
  margin-left: var(--ui-space-8);
  color: var(--ui-text-tertiary);
  font-size: var(--ui-font-size-caption);
  line-height: var(--ui-line-height-caption);
}
.ui-tree__actions { display: none; flex: none; gap: var(--ui-space-4); margin-left: var(--ui-space-8); }
.ui-tree__row--actions:hover .ui-tree__count,
.ui-tree__row--actions:focus-within .ui-tree__count { display: none; }
.ui-tree__row:hover .ui-tree__actions, .ui-tree__row:focus-within .ui-tree__actions { display: flex; }
.ui-tree__action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 0;
  border-radius: var(--ui-radius-6);
  background: transparent;
  color: var(--ui-text-secondary);
  cursor: pointer;
}
.ui-tree__action:hover:enabled { background: var(--ui-fill-1); }
.ui-tree__action:disabled { color: var(--ui-text-tertiary); cursor: default; }
.ui-tree__action:focus-visible { outline: 2px solid var(--ui-accent); }
.ui-tree__row--thumbnail { height: 56px; }
.ui-tree__thumbnail { flex: none; width: 30px; height: 44px; margin-right: var(--ui-space-8); object-fit: contain; }
.ui-tree__row[data-drop-position="inside"] { background: var(--ui-selection-bg); }
.ui-tree__row[data-drop-position="before"]::before,
.ui-tree__row[data-drop-position="after"]::after {
  position: absolute;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--ui-accent);
  content: "";
}
.ui-tree__row[data-drop-position="before"]::before { top: 0; }
.ui-tree__row[data-drop-position="after"]::after { bottom: 0; }