.selecto-selection {
  border: 1px dashed #1A65F3 !important;
  background-color: rgba(26, 101, 243, 0.1) !important;
}

.retro-draggable-group.selected {
  /* use GPU‐accelerated 3D translate for best smoothness */
  transform: translate3d(var(--drag-x,0), var(--drag-y,0), 0) !important;
  will-change: transform;
}

.retro-draggable-card.selected {
  /* use GPU‐accelerated 3D translate for best smoothness */
  transform: translate3d(var(--drag-x,0), var(--drag-y,0), 0) !important;
  will-change: transform;
}