/* Background overlay */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Popup window */
.popup-window {
    position: relative;
    background: #fff;
    padding: 20px;
    max-width: 800px;
    width: 90%;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0,0,0,0.4);
    animation: popupFade 0.4s ease;
}

/* Close button */
.popup-close {
    position: absolute;
    top: 8px;
    right: 12px;
    border: none;
    background: none;
    font-size: 28px;
    cursor: pointer;
}

/* Image */
.popup-image {
    max-width: 100%;
    height: auto;
    margin: 10px 0;
}

@keyframes popupFade {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}