<?php
if (session_status() === PHP_SESSION_NONE) session_start('mondialisa_admin');
?>
<!DOCTYPE html>
<html lang="fr">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Administration - Mondialisa</title>

  <!-- ✅ Bootstrap CSS -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  
  <!-- ✅ Bootstrap Icons -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.css" rel="stylesheet">

  <!-- ✅ Custom CSS -->
  <style>
    body {
      background-color: #f8f9fa;
    }
    .sidebar {
      min-height: 100vh;
      background: #343a40;
    }
    .sidebar a {
      color: #ddd;
      text-decoration: none;
      display: block;
      padding: 10px 15px;
    }
    .sidebar a.active, .sidebar a:hover {
      background: #495057;
      color: #fff;
    }
    .topbar {
      background: #fff;
      border-bottom: 1px solid #dee2e6;
      padding: 10px 15px;
    }
  </style>
</head>
<body>
<div class="container-fluid">
  <div class="row">
