        /* Modal Overlay */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .modal.show {
            display: flex;
        }

        /* Modal Content */
        .modal-content {
            position: relative;
            background: #fff;
            border-radius: 10px;
            width: 95vw;
            max-width: 1500px;
            aspect-ratio: 16/9;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        /* Close Button */
        .close-btn {
            position: absolute;
            top: 10px;
            right: 15px;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 10%;
            font-size: 20px;
            cursor: pointer;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .close-btn:hover {
            background: rgba(0, 0, 0, 0.9);
        }

        /* Video Container */
        .video-container {
            position: relative;
            width: 100%;
            height: 100%;
            background: #000;
        }

        .video-container video,
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
            object-fit: contain;
        }

        @media (max-width: 768px) {
            .fullscreen-btn {
                width: 44px;
                height: 44px;
                right: 54px;
                font-size: 20px;
            }
            .modal {
                padding: 10px;
            }
            .close-btn {
                width: 44px;
                height: 44px;
                font-size: 22px;
            }
        }

        /* Prevent body scroll when modal is open */
        body.modal-open {
            overflow: hidden;
        }