carnet uix layout

app/carnet/page.tsx

@@ -167,8 +167,23 @@ export default function CarnetPage() {
               {/* Add your folder content here */}
             </div>
           ) : (
-            <div className="flex items-center justify-center h-full">
-              <p className="text-carnet-text-muted">Select a folder to view its contents</p>
+            <div className="flex h-full">
+              {showNotes && (
+                <>
+                  <div style={{ width: notesWidth }}>
+                    <NotesView onNoteSelect={handleNoteSelect} />
+                  </div>
+                  <PanelResizer
+                    isDragging={isDraggingNotes}
+                    onDragStart={() => setIsDraggingNotes(true)}
+                    onDragEnd={() => setIsDraggingNotes(false)}
+                    onDrag={handleNotesResize}
+                  />
+                </>
+              )}
+              <div className="flex-1">
+                <Editor note={selectedNote} onSave={handleNoteSave} />
+              </div>
             </div>
           )}
         </div>