<nav class="navbar navbar-light bg-light shadow-sm p-3 mb-3 rounded">
  <div class="container-fluid">
    <span class="navbar-brand mb-0 h5">Admin Panel - Mondialisa</span>
    <div>
      <button class="btn btn-outline-secondary position-relative me-2">
        🔔
        <span class="position-absolute top-0 start-100 translate-middle badge rounded-pill bg-danger">
          3
        </span>
      </button>
      <a href="logout.php" class="btn btn-outline-danger">Déconnexion</a>
    </div>
  </div>
</nav>
