/* Full-screen overlay */
#sls-loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

/* Hidden state (after page load) */
#sls-loading-overlay.sls-hidden {
    opacity: 0;
    visibility: hidden;
}

/* Spinner itself */
.sls-spinner {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 6px solid #e0e0e0;
    border-top-color: #3498db; /* Change color if you want */
    animation: sls-spin 1s linear infinite;
}

/* Rotation animation */
@keyframes sls-spin {
    to {
        transform: rotate(360deg);
    }
}