.bt-filter-check:indeterminate {
  opacity: .6;
  accent-color: #4680ff;
}

.bt-filter-label:has(.bt-filter-check:indeterminate) .bt-label-text {
  color: #888;
  font-style: italic;
}

.bt-children {
  border-left: 2px solid #e9ecef;
  margin-left: 1rem;
}

.bt-filter-label:has(.bt-filter-check:checked) .bt-label-text {
  font-weight: 600;
  color: #4680ff;
}

.bt-root-separator {
  border: none;
  border-top: 1px solid #eee;
  margin: .5rem 0;
}