.bpwp-fc-filter-loader {
    min-height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bpwp-fc-filter-spinner {
    display: inline-block;
    width: 1.75rem;
    height: 1.75rem;
    border: 3px solid #ddd;
    border-top-color: #555;
    border-radius: 50%;
    animation: bpwp-fc-spin .8s linear infinite;
}
@keyframes bpwp-fc-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
    .bpwp-fc-filter-spinner { animation: none; }
}