ding: 8px 15px;
            color: #00ffff;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .network-selector:hover {
            background: rgba(0, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .user-menu {
            position: relative;
        }

        .user-avatar {
            width: 40px;
            height: 40px;
            background: linear-gradient(45deg, #00ffff, #ff00ff);
            border-ra