/* Select2 OUTSIDE modal → stay below modal */
body:not(.modal-open) .select2-container,
body:not(.modal-open) .select2-dropdown {
    z-index: 500 !important;
}

/* Select2 INSIDE modal → appear ABOVE modal content */
.modal .select2-container,
.modal .select2-dropdown {
    z-index: 4000 !important;
}