/* Large near-opaque panels do not need live background blur while scrolling. */
body .left-home, body .right-home, body .auth-panel,
body .auth-panel .card, body .dashboard-shell,
body .menu-game, body.is-guest .menu-game,
body .loading-form {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
}
body .right-home, body .auth-panel, body .auth-panel .card {
    animation: none;
}
/* Avoid retaining GPU layers for every hidden modal. */
.modal:not(.show) .modal-dialog { will-change: auto; }
@media (max-width: 768px), (prefers-reduced-motion: reduce) {
    body { background-attachment: scroll; }
}