diff --git a/memento-note/components/document-qa-overlay.tsx b/memento-note/components/document-qa-overlay.tsx
index ea3e8a2..eac12ca 100644
--- a/memento-note/components/document-qa-overlay.tsx
+++ b/memento-note/components/document-qa-overlay.tsx
@@ -86,7 +86,10 @@ export function DocumentQAOverlay({ attachment, noteId, noteContent, onClose, on
   }
 
   return (
-    <div className="fixed inset-0 z-[100] flex items-center justify-center p-6 bg-black/40 backdrop-blur-sm">
+    <div 
+      onCopy={(e) => e.stopPropagation()}
+      className="fixed inset-0 z-[100] flex items-center justify-center p-6 bg-black/40 backdrop-blur-sm"
+    >
       <div className="w-full max-w-6xl h-[88vh] bg-background border border-border rounded-2xl shadow-2xl flex overflow-hidden">
         {/* Left: PDF Preview */}
         <div className="flex-1 flex flex-col border-r border-border">
diff --git a/memento-note/components/note-graph-view.tsx b/memento-note/components/note-graph-view.tsx
index 4f470b6..fe8d9b4 100644
--- a/memento-note/components/note-graph-view.tsx
+++ b/memento-note/components/note-graph-view.tsx
@@ -482,7 +482,7 @@ export function NoteGraphView({ embedded = false }: { embedded?: boolean }) {
         {/* Zoom to fit */}
         {!loading && graphData.nodes.length > 0 && (
           <button
-            onClick={handleZoomToFit}
+            onClick={(e) => { e.stopPropagation(); handleZoomToFit() }}
             className="absolute top-4 right-4 z-10 flex items-center gap-1.5 px-3 py-1.5 bg-white border border-border/50 rounded-md text-[11px] text-ink font-medium shadow-sm hover:bg-gray-50 transition-colors animate-fade-in"
           >
             <Maximize2 size={12} />
@@ -492,7 +492,11 @@ export function NoteGraphView({ embedded = false }: { embedded?: boolean }) {
 
         {/* Cluster legend (Interactive Notebook Filter) */}
         {rawData && rawData.clusters && rawData.clusters.length > 0 && (
-          <div className="absolute top-4 left-4 z-10 flex flex-col gap-2 max-h-[42vh] overflow-y-auto pr-1">
+          <div 
+            onClick={(e) => e.stopPropagation()} 
+            onDoubleClick={(e) => e.stopPropagation()} 
+            className="absolute top-4 left-4 z-10 flex flex-col gap-2 max-h-[42vh] overflow-y-auto pr-1"
+          >
             <span className="text-[9px] font-bold text-slate-800 uppercase tracking-wider pl-1 select-none">{t('graphView.notebooks')}</span>
             {(selectedNotebookId || focusNodeId) && (
               <div className="flex flex-col gap-1">
@@ -545,7 +549,11 @@ export function NoteGraphView({ embedded = false }: { embedded?: boolean }) {
 
         {/* Filtres de liens + seuil sémantique */}
         {!loading && !error && rawData && (
-          <div className="absolute bottom-4 left-4 z-10 flex flex-col gap-2 max-w-[220px]">
+          <div 
+            onClick={(e) => e.stopPropagation()} 
+            onDoubleClick={(e) => e.stopPropagation()} 
+            className="absolute bottom-4 left-4 z-10 flex flex-col gap-2 max-w-[220px]"
+          >
             <button
               type="button"
               onClick={() => setControlsOpen(v => !v)}
@@ -612,7 +620,11 @@ export function NoteGraphView({ embedded = false }: { embedded?: boolean }) {
 
         {/* Note detail panel */}
         {selectedNode && (
-          <div className="absolute inset-y-0 right-0 w-80 backdrop-blur-md bg-white/95 dark:bg-stone-900/95 border-l border-border/40 flex flex-col shadow-[0_8px_30px_rgb(0,0,0,0.06)] z-20 transition-all duration-300">
+          <div 
+            onClick={(e) => e.stopPropagation()} 
+            onDoubleClick={(e) => e.stopPropagation()} 
+            className="absolute inset-y-0 right-0 w-80 backdrop-blur-md bg-white/95 dark:bg-stone-900/95 border-l border-border/40 flex flex-col shadow-[0_8px_30px_rgb(0,0,0,0.06)] z-20 transition-all duration-300"
+          >
             {/* Header */}
             <div className="flex items-start justify-between p-5 border-b border-border/40">
               <div className="flex-1 min-w-0 pr-3">