      alert('‚öôÔ∏è Settings panel coming soon! You can change network settings, node type, and privacy preferences.');
            toggleUserMenu();
        }

        function signOut() {
            if (confirm('Are you sure you want to sign out? Your wallet data will be preserved for future sign-ins.')) {
                // Clear session data but keep wallet for future use
                sessionStorage.removeItem('zhtp_session');
                currentUser = null;
                showToast('�