 .blink {
            width: 10px;
            height: 10px;
            background-color: #fff;
            border-radius: 50%;
            margin-right: 5px;
            animation: blink 1s infinite;
        }

        @keyframes blink {
            0% { opacity: 1; }
            50% { opacity: 0.3; }
            100% { opacity: 1; }
        }

        .mode-switch {
            margin-bottom: 20px;
        }

        .nav-tabs .nav-link {
            color: var(--text-color);
            border: none;
  