.overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 1000;
            display: flex;
            justify-content: center;
            align-items: center;
        }

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

        .image-container img {
            max-width: 100%;
            max-height: 90vh;
            border-radius: 8px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
            display: block;
        }

        .close-btn {
            position: absolute;
            top: -40px;
            right: 0;
            color: white;
            font-size: 40px;
            font-weight: bold;
            cursor: pointer;
            text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
            transition: all 0.3s ease;
        }

        .close-btn:hover {
            color: #f44336;
            transform: scale(1.1);
        }

        @media (max-width: 768px) {
            .close-btn {
                font-size: 30px;
                top: -35px;
            }
        }