<!DOCTYPE html>
<html lang="bn">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    
    <title><?php echo $page_title ?? 'এডমিন ড্যাশবোর্ড'; ?> - সহজ রিচার্জ</title>
    
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css">
    
    <link rel="stylesheet" href="assets/css/admin_style.css">
</head>
<body>

<?php 
// Include the sidebar navigation menu. This will appear on every admin page.
include 'sidebar.php'; 
?>

<div class="main-content">
    
    <nav class="navbar navbar-expand-lg navbar-light bg-white rounded mb-4 shadow-sm">
        <div class="container-fluid">
            <span class="navbar-brand">
                স্বাগতম, <?php echo htmlspecialchars($_SESSION['admin_name']); ?>
            </span>
            
            <a href="logout.php" class="btn btn-outline-danger">
                <i class="fas fa-sign-out-alt me-1"></i> লগআউট
            </a>
        </div>
    </nav>

    ```