.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;
        }