.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.popup-image-container {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.popup-image {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 90vh;
    display: block;
    border-radius: 10px;
}

.popup-close {
    position: absolute;
    top: -15px;
    right: -15px;
    background: #000;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 22px;
    text-align: center;
    line-height: 32px;
    cursor: pointer;
}