.mtp-lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.mtp-lightbox-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    cursor: default;
    border-radius: 4px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.mtp-lightbox-overlay button {
    position: fixed;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.mtp-lightbox-overlay button:hover {
    background: rgba(0, 0, 0, 0.8);
}
.mtp-lightbox-close {
    top: 16px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 22px;
    line-height: 1;
}
.mtp-lightbox-prev,
.mtp-lightbox-next {
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    font-size: 20px;
}
.mtp-lightbox-prev {
    left: 16px;
}
.mtp-lightbox-next {
    right: 16px;
}
@media (max-width: 600px) {
    .mtp-lightbox-prev,
    .mtp-lightbox-next {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    .mtp-lightbox-close {
        width: 32px;
        height: 32px;
        font-size: 18px;
        top: 8px;
        right: 8px;
    }
}