diff --git a/Bootstrap_new/css/style_office.css b/Bootstrap_new/css/style_office.css
index 651a55b..ad47d86 100644
--- a/Bootstrap_new/css/style_office.css
+++ b/Bootstrap_new/css/style_office.css
@@ -249,6 +249,7 @@ body.sidebar-collapsed .app-sidebar .nav-link:hover::after {
 
 .nav-link[aria-expanded="true"] .nav-arrow {
     transform: rotate(90deg);
+    transition: transform 0.3s;
 }
 
 .nav-submenu {
diff --git a/Vue/gabarit.php b/Vue/gabarit.php
index ac33ffa..0430596 100755
--- a/Vue/gabarit.php
+++ b/Vue/gabarit.php
@@ -126,7 +126,7 @@ $photoAssureCrypte = $_SESSION['photoAssureCrypte'];
         <link rel="manifest" href="<?= $racineWeb ?>manifest.json">
         
         <!-- 4. VOS STYLES PERSONNALISÉS (en dernier pour qu'ils dominent) -->
-        <link href="<?= $racineWeb ?>Bootstrap_new/css/style_office.css?ver=2026.01.12.01" rel="stylesheet">
+        <link href="<?= $racineWeb ?>Bootstrap_new/css/style_office.css?ver=2026.01.12.02" rel="stylesheet">
         <link href="<?= $racineWeb ?>Bootstrap_new/css/ux_enhancements.css?ver=2025.12.21.02" rel="stylesheet">
 
         <!-- Charts -->