/* Select2 integrado con Bootstrap 5 */
.select2-container--default .select2-selection--single {
  height: 100% !important;
  border: 1px solid #dee2e6;
  border-radius: 0.375rem;
  padding: 0.375rem 0.75rem;
  display: flex;
  align-items: center;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: #212529;
  line-height: normal;
  padding: 0;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 100% !important;
  right: 8px;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--open .select2-selection--single {
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
  outline: 0;
}

.select2-label {
  font-size: 0.75rem;
  color: #6c757d;
  margin-bottom: 4px;
  font-weight: 500;
}

.select2-dropdown {
  border-color: #86b7fe;
  border-radius: 0.375rem;
}

.select2-container--default .select2-search--dropdown .select2-search__field {
  border: 1px solid #dee2e6;
  border-radius: 0.25rem;
  padding: 0.375rem 0.75rem;
}

.select2-container--default .select2-results__option--highlighted.select2-results__option--selectable {
  background-color: #0d6efd;
}

div.radio-invalid .form-check-input[type="radio"] {
  outline: 2px solid #dc3545 !important;
  outline-offset: 2px;
}

/* Select2 inválido — borde rojo */
.select2-invalid .select2-selection--single {
  border-color: #dc3545 !important;
  box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25) !important;
}

/* Select2 inválido enfocado/abierto — mantener rojo */
.select2-invalid.select2-container--open .select2-selection--single,
.select2-invalid.select2-container--focus .select2-selection--single {
  border-color: #dc3545 !important;
  box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25) !important;
}

.select2-loading .select2-selection--single {
  background-color: #f8f9fa !important;
  pointer-events: none;
}

.select2-loading .select2-selection__rendered::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid #0d6efd;
  border-top-color: transparent;
  border-radius: 50%;
  animation: select2-spin .6s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

@keyframes select2-spin {
  to { transform: rotate(360deg); }
}