.modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(5px);
            z-index: 1000;
            animation: fadeIn 0.3s ease;
        }

        .modal-overlay.active {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .modal-content {
            background: white;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.5);
            text-align: center;
            position: relative;
            max-width: 90%;
            animation: slideUp 0.3s ease;
        }