diff --git a/src/components/QuickCaptureWidget.tsx b/src/components/QuickCaptureWidget.tsx
index eb7457f..75a17d1 100644
--- a/src/components/QuickCaptureWidget.tsx
+++ b/src/components/QuickCaptureWidget.tsx
@@ -68,8 +68,7 @@ export function QuickCaptureWidget({ onNoteCaptured }: QuickCaptureWidgetProps)
     <>
       {/* Floating Action Button */}
       <Button
-        size="lg"
-        className="fixed bottom-24 right-6 h-14 w-14 rounded-full shadow-lg hover:shadow-xl transition-all z-50"
+        className="fixed bottom-24 right-4 h-14 w-14 rounded-full shadow-lg hover:shadow-xl transition-all z-50"
         onClick={() => setOpen(true)}
         title="Capture rapide (Ctrl+Q)"
       >
diff --git a/src/pages/Index.tsx b/src/pages/Index.tsx
index ffef0e6..43f0aba 100644
--- a/src/pages/Index.tsx
+++ b/src/pages/Index.tsx
@@ -2981,8 +2981,9 @@ const Index = () => {
       {/* AI Chatbox */}
       {!chatOpen ? (
         <Button
-          className="fixed bottom-4 right-4 h-14 w-14 rounded-full shadow-lg"
+          className="fixed bottom-4 right-4 h-14 w-14 rounded-full shadow-lg hover:shadow-xl transition-all z-40"
           onClick={() => setChatOpen(true)}
+          title="Assistant IA"
         >
           <MessageSquare className="h-6 w-6" />
         </Button>