  <aside class="sidebar" id="sidebar">
            <div class="sidebar-header">
                <div class="brand-logo">▲</div>
                <h2 class="mobile-hide"> <?php echo $full_name; ?></h2>
                <div class="mobile-close-btn" id="mobile-close-btn">×</div>
            </div>
          <nav class="sidebar-nav">
                 <ul>
                    <li><a href="index.php" class="nav-link" data-tooltip="Dashboard"><i class="ion-home"></i> <span>Dashboard</span></a></li>
                    
                    <!-- USER MANAGEMENT DROPDOWN -->
                    <li class="has-submenu">
                        <a href="javascript:void(0);" class="nav-link" onclick="toggleSubmenu(this)"> 
                            <i class="ion-ios-people"></i> <span>User Management</span> <i class="submenu-indicator ion-chevron-down"></i> 
                        </a>
                        <ul class="submenu">
                            <li><a href="profile.php" class="nav-link sub-link"><i class="ion-person"></i> <span>Profile</span></a></li>
                            <li><a href="settings.php" class="nav-link sub-link"><i class="ion-settings"></i> <span>Account Settings</span></a></li>
                        </ul>
                    </li>

                    <li><a href="transactions.php" class="nav-link"><i class="ion-arrow-swap"></i> <span>Transactions</span></a></li>
                    <li><a href="deposit-request.php" class="nav-link"><i class="ion-arrow-down-a"></i> <span>Deposit</span></a></li>
                    <li><a href="withdraw-request.php" class="nav-link active"><i class="ion-arrow-up-a"></i> <span>Withdraw</span></a></li>
                      <li><a href="plans.php"><i class="ion-stats-bars"></i> <span>Upgrade </span></a></li>
                    <li class="logout"><a href="logout.php" class="nav-link" data-tooltip="Logout"><i class="ion-log-out"></i> <span>Logout</span></a></li>
                </ul>
            </nav>
        </aside>
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