.col-resizer {
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 100%;
  cursor: col-resize;
  z-index: 2;
}
.col-resizer:hover {
  background: rgba(0, 0, 0, 0.1);
}
.table th {
  user-select: none;
  padding-right: 12px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.table th.dragging-col {
  opacity: 0.65;
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.table th.drag-target {
  background: rgba(37, 99, 235, 0.15);
  box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.4);
}
}