/* ==========================================================================
   Loading Spinner — HashemiGold
   ========================================================================== */
.spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
    margin-left: 0.5rem;
}

.spinner-dark {
    border-color: rgba(15, 91, 99, 0.2);
    border-top-color: #0F5B63;
}

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

.btn-loading {
    opacity: 0.8;
    cursor: not-allowed;
    pointer-events: none;
}