.resize-handle {
  flex-shrink: 0;
  background-color: var(--tree-border);
  transition: background-color 0.15s;
  position: relative;
  z-index: 10;
}

.resize-handle:hover,
.resize-handle:active {
  background-color: var(--accent-blue);
}

.resize-handle-horizontal {
  width: 4px;
  cursor: col-resize;
  align-self: stretch;
}

.resize-handle-vertical {
  height: 4px;
  cursor: row-resize;
  width: 100%;
}
