#overlay {position: fixed;top: 0;left: 0;width: 100%;height: 100%;background: rgba(0,0,0,0.6);display: flex;justify-content: center;align-items: center;}#modal {background: #fff;padding: 20px;border-radius: 8px;text-align: center;max-width: 300px;width: 90%;}#modal p {margin-bottom: 20px;}#modal .buttons {display: flex;gap: 10px;}#modal .buttons button {flex: 1;padding: 10px;border: none;border-radius: 4px;cursor: pointer;}#modal .buttons button:nth-child(1) {background: #4CAF50;color: #fff;}#modal .buttons button:nth-child(2) {background: #f44336;color: #fff;}