#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(42, 42, 42, 0.9);
    z-index: 30000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

#loading-overlay.show {
    opacity: 1;
}

#loading-overlay.hidden {
    opacity: 0;
    display: none;
}

.loader img {
    width: 200px;
    height: 200px;
    animation: pulse 1.5s ease-in-out infinite;
}

@media (min-width: 768px) {
    .loader img {
        width: 250px;
        height: 250px;
    }
}

@media (min-width: 992px) {
    .loader img {
        width: 350px;
        height: 350px;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}