diff --git a/client/src/components/AppSidebar.tsx b/client/src/components/AppSidebar.tsx
index 18840b1..4a369c7 100644
--- a/client/src/components/AppSidebar.tsx
+++ b/client/src/components/AppSidebar.tsx
@@ -222,11 +222,10 @@ export function AppSidebar({ collapsed = false, onToggle }: AppSidebarProps) {
   const toggleSubMenu = (id: string) => {
     setOpenMenus(prev => {
       const next = new Set(prev);
+      // Les sous-menus s'ouvrent/ferment indépendamment (pas d'accordéon entre eux)
       if (next.has(id)) {
         next.delete(id);
       } else {
-        // Fermer les autres sous-menus du même parent
-        NAV_SECTIONS.forEach(s => s.children?.forEach(sub => next.delete(sub.id)));
         next.add(id);
       }
       return next;