   <div class="user-info">
                <select class="network-selector" id="networkSelector" onchange="switchNetwork(this.value)">
                    <option value="mainnet" selected>üü¢ Mainnet</option>
                    <option value="testnet">üü° Testnet</option>
                    <option value="local">üîµ Local</option>
                </select>
                
                <div class="user-menu">
                    <div class="user-avatar" onclick="toggleUserMenu()" id="