.php
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Manage Users</title>
    <link rel="stylesheet" href="..\libs\bootsrtap\css\bootstrap.min.css">
    <link rel="stylesheet" href="..\libs\fontawesome\css\all.min.css">
    
    <style>
        body {
            background-color: #f5f6fa;
            font-family: 'Mulish', sans-serif;
            overflow-x: hidden;
        }

        .content {
            margin-left: 240px;
            padding: 20px;
            transition: margin-left 0.3s ease;
        }

        .top-bar {
            background-color: #ffffff;
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .card {
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 20px;
            border: none;
        }

        .card-header {
            background: #2c3e50;
            color: white;
            border-radius: 10px 10px 0 0;
            padding: 15px;
        }

        .table thead th {
            background-color: #2c3e50;
            color: white;
            padding: 12px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #2c3e50, #3498db);
            border: none;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .content {
                margin-left: 0;
                padding: 10px;
            }
            
            .mobile-toggle {
                display: block;
            }
        }
    </style>
</head>
<body>
    <?php include '../includes/side_bar.php'; ?>

    <!-- Mobile Toggle Button -->
    <button class="mobile-toggle d-md-none" onclick="toggleSidebar()">
        <i class="fas fa-bars"></i>
    </button>

    <div class="content">
        <!-- Top Bar -->
        <div class="top-bar">
            <div class="d-flex justify-content-between align-items-center">
                <h4 class="mb-0">Manage Users</h4>
                <button class="btn btn-primary" data-bs-toggle="collapse" data-bs-target="#addUserForm">
                    <i class="fas fa-user-plus"></i> Add New User
                </button>
            </div>
        </div>

        <!-- Rest of your existing content, but remove the container div -->
        <!-- Add User Form -->
        <div class="collapse mb-4" id="addUserForm">
            <!-- ... existing form code ... -->
        </div>

        <!-- Users Table Card -->
        <div class="card">
            <!-- ... existing table code ... -->
        </div>

        <!-- Edit User Modal -->
        <!-- ... existing modal code ... -->
    </div>

    <script src="..\libs\jquery\jquery-3.7.1.min.js"></script>
    <script src="..\libs\bootsrtap\js\bootstrap.bundle.min.js"></script>
    <script>
        function toggleSidebar() {
            document.querySelector('.sidebar').classList.toggle('active');
            document.querySelector('.content').classList.toggle('sidebar-active');
        }

        // Your existing edit button script
        $(document).on('click', '.edit-btn', function() {
            // ... existing code ...
        });
    </script>
</body>
</html>