<?php
session_start();
if (!isset($_SESSION['user_id'])) {
    header("Location: login.php");
    exit();
}
?>
<!DOCTYPE html>
<html lang="en">

<head>

    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="">

    <title>SPMI ITB Riyadlul Ulum - Dashboard</title>

    <!-- Custom fonts for this template-->
    <link href="vendor/fontawesome-free/css/all.min.css" rel="stylesheet" type="text/css">
    <link
        href="https://fonts.googleapis.com/css?family=Nunito:200,200i,300,300i,400,400i,600,600i,700,700i,800,800i,900,900i"
        rel="stylesheet">

    <!-- Custom styles for this template-->
    <link href="css/sb-admin-2.min.css" rel="stylesheet">

</head>

<body id="page-top">

    <!-- Page Wrapper -->
    <div id="wrapper">

        <?php include "sidebar.php"; ?>

        <!-- Content Wrapper -->
        <div id="content-wrapper" class="d-flex flex-column">

            <!-- Main Content -->
            <div id="content">
                <?php include "topbar.php";

                $page = isset($_GET['page']) ? $_GET['page'] : 'home'; // Default to 'home'
                // Lokasi file konten
                $pageFile = __DIR__ . "/{$page}.php";

                if (file_exists($pageFile)) {
                    include $pageFile;
                } else {
                    echo '<div class="container-fluid">
                  
                    <div class="text-center">
                        <div class="error mx-auto" data-text="404">404</div>
                        <p class="lead text-gray-800 mb-5">Page Not Found</p>
                        <p class="text-gray-500 mb-0">It looks like you found a glitch in the matrix...</p>
                        <a href="index.php">&larr; Back to Dashboard</a>
                    </div>

                </div>';
                }

                ?>
            </div>
            <!-- End of Main Content -->
            <?php include "footer.php"; ?>


</body>

</html>