diff --git a/public/userarea/include/topbar.php b/public/userarea/include/topbar.php
index 9dcb568b..7964a840 100644
--- a/public/userarea/include/topbar.php
+++ b/public/userarea/include/topbar.php
@@ -1,8 +1,22 @@
 <header>
-    <div class="topbar d-flex align-items-center">
-        <nav class="navbar navbar-expand gap-3">
-            <div class="mobile-toggle-menu"><i class='bx bx-menu'></i>
+    <div class="topbar d-flex align-items-center position-relative">
+
+        <?php
+        // Controllo ambiente TEST
+        $testEnv = strtolower($_ENV['TEST_ENVIRONMENT'] ?? getenv('TEST_ENVIRONMENT') ?? 'true');
+
+        if ($testEnv === 'true'):
+        ?>
+            <div class="alert alert-danger border-0 rounded-0 mb-0 py-2 text-center fw-bold fs-5 w-100 shadow-sm"
+                style="margin: 0 -15px 0 -15px;">
+                <i class='bx bx-test-tube me-2'></i>
+                AMBIENTE DI TEST — NON È PRODUZIONE
             </div>
+        <?php endif; ?>
+
+        <nav class="navbar navbar-expand gap-3 w-100">
+            <!-- Tutto il resto del tuo codice della topbar rimane identico -->
+            <div class="mobile-toggle-menu"><i class='bx bx-menu'></i></div>
 
             <div class="search-bar d-lg-block d-none" data-bs-toggle="modal" data-bs-target="#SearchModal">
                 <!--  <a href="avascript:;" class="btn d-flex align-items-center"><i class='bx bx-search'></i>Search</a> -->