.fullscreen-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(101, 101, 101, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.fullscreen-item-overlay {
    transform: scale(1);
    max-width: 90%;
    transition: transform 0.3s ease, max-width 0.3s ease;
}