.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
}

.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    background: white;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 100%;
    border-radius: 10px;
}

.popup-image {
    max-width: 100%;
    height: auto;
}

.popup-close {
    display: block;
    margin: 10px auto 0;
    padding: 10px 15px;
}