diff --git a/Vue/Accueil/index.php b/Vue/Accueil/index.php
index e9fe3d2..601cc58 100644
--- a/Vue/Accueil/index.php
+++ b/Vue/Accueil/index.php
@@ -130,17 +130,19 @@
 
 <script>
 document.addEventListener('DOMContentLoaded', function() {
+    function getCollapseInstance(el) {
+        return bootstrap.Collapse.getInstance(el) || new bootstrap.Collapse(el, { toggle: false });
+    }
+
     document.querySelectorAll('.accordion-button').forEach(btn => {
         btn.addEventListener('click', function(e) {
             const targetSel = this.getAttribute('data-bs-target') || this.dataset.bsTarget;
             const target = document.querySelector(targetSel);
             if (!target) return;
 
-            e.preventDefault(); // on prend la main
-            const instance = bootstrap.Collapse.getInstance(target) 
-                           || new bootstrap.Collapse(target, { toggle: false });
+            e.preventDefault();
+            const instance = getCollapseInstance(target);
 
-            // Toggle explicite : si ouvert => fermer, sinon => ouvrir
             if (target.classList.contains('collapsing') || target.classList.contains('show')) {
                 console.log('Click', targetSel, '=> fermeture');
                 instance.hide();
@@ -150,5 +152,26 @@ document.addEventListener('DOMContentLoaded', function() {
             }
         });
     });
+
+    // Gestion des icônes et callbacks
+    document.querySelectorAll('.accordion-collapse').forEach(collapse => {
+        collapse.addEventListener('shown.bs.collapse', function () {
+            const btn = document.querySelector('[data-bs-target="#' + this.id + '"]');
+            const icon = btn?.querySelector('.accordion-icon');
+            if (icon) icon.classList.replace('bi-chevron-down', 'bi-chevron-up');
+
+            const fnName = this.dataset.openFn;
+            if (fnName && typeof window[fnName] === 'function') window[fnName]();
+        });
+
+        collapse.addEventListener('hidden.bs.collapse', function () {
+            const btn = document.querySelector('[data-bs-target="#' + this.id + '"]');
+            const icon = btn?.querySelector('.accordion-icon');
+            if (icon) icon.classList.replace('bi-chevron-up', 'bi-chevron-down');
+
+            const fnName = this.dataset.closeFn;
+            if (fnName && typeof window[fnName] === 'function') window[fnName]();
+        });
+    });
 });
 </script>
\ No newline at end of file