.pulse-ring {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
            }
        }