#lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
    padding: clamp(15px, 3vw, 25px);
}
#lightbox.active { display: flex; }
#lightbox img {
    max-width: 90%; max-height: 80%;
    border-radius: clamp(8px, 1.5vw, 12px);
    object-fit: contain;
    opacity: 0;
}
#lightbox p {
    color: #fff;
    font-size: clamp(14px, 2.5vw, 20px);
    text-align: center;
    margin-top: clamp(10px, 2vw, 18px);
    padding: 0 20px;
}
#lightbox .close {
    position: absolute;
    top: clamp(15px, 3vw, 25px);
    right: clamp(20px, 4vw, 35px);
    font-size: clamp(30px, 5vw, 45px);
    color: #fff;
    cursor: pointer;
    font-weight: bold;
    transition: opacity 0.2s ease;
    background: none;
    border: none;
}
#lightbox .close:hover { opacity: 0.7; }