diff --git a/src/main/index.ts b/src/main/index.ts
index db23c30..9e15ef0 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -2,7 +2,7 @@ import { app, BrowserWindow, shell, nativeImage, Menu, dialog } from 'electron'
 import { join } from 'path'
 import { electronApp, optimizer, is } from '@electron-toolkit/utils'
 import { registerIpcHandlers } from './ipcHandlers'
-import { getCollectionRoot } from './globalConfig'
+import { getCollectionRoot, readGlobalConfig } from './globalConfig'
 
 app.setName('Borges')
 
@@ -92,6 +92,8 @@ function buildAppMenu(win: BrowserWindow): void {
 
 function createWindow(): BrowserWindow {
   const icon = nativeImage.createFromPath(join(__dirname, '../../resources/icon.png'))
+  const config = readGlobalConfig()
+  const isDark = config.theme !== 'light'
   const mainWindow = new BrowserWindow({
     width: 1440,
     height: 900,
@@ -99,6 +101,8 @@ function createWindow(): BrowserWindow {
     minHeight: 600,
     title: 'Borges',
     titleBarStyle: 'hiddenInset',
+    vibrancy: 'sidebar',
+    backgroundColor: isDark ? '#1c1a18' : '#f5f0ea',
     icon,
     show: false,
     webPreferences: {
diff --git a/src/main/ipcHandlers.ts b/src/main/ipcHandlers.ts
index 8ebe7e7..b1c1679 100644
--- a/src/main/ipcHandlers.ts
+++ b/src/main/ipcHandlers.ts
@@ -1,4 +1,4 @@
-import { ipcMain, dialog, BrowserWindow } from 'electron'
+import { ipcMain, dialog, BrowserWindow, Menu } from 'electron'
 import {
   listStories, readStory, writeStory, createStory, renameStory, deleteStory,
   getStoryMeta, setStoryMeta, getCollectionConfig, setCollectionContext,
@@ -60,6 +60,34 @@ export function registerIpcHandlers(): void {
     return result.canceled ? null : result.filePaths[0]
   })
 
+  // ── Native context menus ─────────────────────────────────────────────────────
+  ipcMain.handle('menu:editorContext', async (event) => {
+    const win = BrowserWindow.fromWebContents(event.sender)
+    if (!win) return
+    const menu = Menu.buildFromTemplate([
+      { role: 'cut' },
+      { role: 'copy' },
+      { role: 'paste' },
+      { type: 'separator' },
+      { role: 'selectAll' },
+    ])
+    menu.popup({ window: win })
+  })
+
+  ipcMain.handle('menu:storyContext', async (event, _storyId: string) => {
+    const win = BrowserWindow.fromWebContents(event.sender)
+    if (!win) return
+    return new Promise<string | null>((resolve) => {
+      const menu = Menu.buildFromTemplate([
+        { label: 'Rename', click: () => resolve('rename') },
+        { type: 'separator' },
+        { label: 'Delete', click: () => resolve('delete') },
+      ])
+      menu.on('menu-will-close', () => setTimeout(() => resolve(null), 100))
+      menu.popup({ window: win })
+    })
+  })
+
   // ── AI streaming ──────────────────────────────────────────────────────────────
   ipcMain.handle('ai:streamMessage', async (event, payload: AIPayload) => {
     try {
diff --git a/src/preload/index.ts b/src/preload/index.ts
index d90fdba..e71df22 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -66,6 +66,10 @@ contextBridge.exposeInMainWorld('api', {
     })
   },
 
+  // Native context menus
+  showEditorContextMenu: (): Promise<void> => ipcRenderer.invoke('menu:editorContext'),
+  showStoryContextMenu: (storyId: string): Promise<string | null> => ipcRenderer.invoke('menu:storyContext', storyId),
+
   // Menu
   onMenuAction: (handler: (action: string) => void): (() => void) => {
     const listener = (_: Electron.IpcRendererEvent, action: string): void => handler(action)
diff --git a/src/renderer/components/Editor/MarkdownEditor.tsx b/src/renderer/components/Editor/MarkdownEditor.tsx
index 06480d5..0d5c918 100644
--- a/src/renderer/components/Editor/MarkdownEditor.tsx
+++ b/src/renderer/components/Editor/MarkdownEditor.tsx
@@ -83,6 +83,7 @@ export function MarkdownEditor(): JSX.Element {
   const editorRef = useRef<HTMLDivElement>(null)
   const viewRef = useRef<EditorView | null>(null)
   const lastPathRef = useRef<string | null>(null)
+  const storeTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
 
 
   // Initialize editor
@@ -107,10 +108,17 @@ export function MarkdownEditor(): JSX.Element {
           EditorView.updateListener.of((update) => {
             if (update.docChanged) {
               const content = update.state.doc.toString()
-              useBorgesStore.getState().setContent(content)
+              if (storeTimerRef.current) clearTimeout(storeTimerRef.current)
+              storeTimerRef.current = setTimeout(() => {
+                useBorgesStore.getState().setContent(content)
+              }, 300)
             }
           }),
           EditorView.domEventHandlers({
+            contextmenu: (e) => {
+              e.preventDefault()
+              window.api.showEditorContextMenu()
+            },
             keydown: (e) => {
               if ((e.metaKey || e.ctrlKey) && e.key === 's') {
                 e.preventDefault()
diff --git a/src/renderer/components/Sidebar/StorySidebar.tsx b/src/renderer/components/Sidebar/StorySidebar.tsx
index 3cad1dc..3c9606a 100644
--- a/src/renderer/components/Sidebar/StorySidebar.tsx
+++ b/src/renderer/components/Sidebar/StorySidebar.tsx
@@ -44,16 +44,9 @@ function StoryItem({ story, index, isActive, onClick, onContextMenu, onDragStart
   )
 }
 
-interface ContextMenuState {
-  x: number
-  y: number
-  story: StoryFile
-}
-
 export function StorySidebar(): JSX.Element {
   const { stories, activeStoryPath, activeStoryId, activeStoryContent, isDirty, setStories, moveStory, markSaved } = useBorgesStore()
   const [search, setSearch] = useState('')
-  const [contextMenu, setContextMenu] = useState<ContextMenuState | null>(null)
   const [renaming, setRenaming] = useState<string | null>(null)
   const [renameValue, setRenameValue] = useState('')
   const dragFrom = useRef<number>(-1)
@@ -95,15 +88,25 @@ export function StorySidebar(): JSX.Element {
   }
 
   const handleDelete = async (story: StoryFile): Promise<void> => {
-    setContextMenu(null)
     await window.api.deleteStory(story.path)
     if (story.path === activeStoryPath) useBorgesStore.getState().clearActiveStory()
     const refreshed = await window.api.listStories()
     setStories(refreshed)
   }
 
+  const handleStoryContextMenu = async (e: React.MouseEvent, story: StoryFile): Promise<void> => {
+    e.preventDefault()
+    const action = await window.api.showStoryContextMenu(story.id)
+    if (action === 'rename') {
+      setRenaming(story.id)
+      setRenameValue(story.id)
+    } else if (action === 'delete') {
+      handleDelete(story)
+    }
+  }
+
   return (
-    <div className="sidebar" onClick={() => contextMenu && setContextMenu(null)}>
+    <div className="sidebar">
       <div className="sidebar-header">
         <span className="sidebar-title">Stories</span>
         <button className="sidebar-btn" onClick={handleNew} title="New story">+</button>
@@ -139,10 +142,7 @@ export function StorySidebar(): JSX.Element {
                 index={idx}
                 isActive={story.id === activeStoryId}
                 onClick={() => openStory(story)}
-                onContextMenu={(e) => {
-                  e.preventDefault()
-                  setContextMenu({ x: e.clientX, y: e.clientY, story })
-                }}
+                onContextMenu={(e) => handleStoryContextMenu(e, story)}
                 onDragStart={(i) => { dragFrom.current = i }}
                 onDragOver={(i) => { if (dragFrom.current !== -1 && dragFrom.current !== i) moveStory(dragFrom.current, i) }}
                 onDrop={() => { dragFrom.current = -1 }}
@@ -152,21 +152,6 @@ export function StorySidebar(): JSX.Element {
         ))}
       </div>
 
-      {contextMenu && (
-        <div
-          className="context-menu"
-          style={{ left: contextMenu.x, top: contextMenu.y }}
-          onClick={(e) => e.stopPropagation()}
-        >
-          <button className="context-menu-item" onClick={() => {
-            setRenaming(contextMenu.story.id)
-            setRenameValue(contextMenu.story.id)
-            setContextMenu(null)
-          }}>Rename</button>
-          <div className="context-menu-sep" />
-          <button className="context-menu-item danger" onClick={() => handleDelete(contextMenu.story)}>Delete</button>
-        </div>
-      )}
     </div>
   )
 }
diff --git a/src/renderer/styles/app.css b/src/renderer/styles/app.css
index 4b41b66..438d45b 100644
--- a/src/renderer/styles/app.css
+++ b/src/renderer/styles/app.css
@@ -45,7 +45,7 @@ body {
   font-size: 13px;
   background: var(--bg);
   color: var(--text);
-  -webkit-font-smoothing: antialiased;
+  -webkit-font-smoothing: subpixel-antialiased;
   user-select: none;
 }
 
@@ -161,7 +161,7 @@ textarea { resize: vertical; }
   grid-area: sidebar;
   display: flex;
   flex-direction: column;
-  background: var(--bg2);
+  background: transparent;
   border-right: 1px solid var(--border);
   overflow: hidden;
   min-width: 0;
@@ -296,12 +296,13 @@ textarea { resize: vertical; }
   flex: 1;
   overflow-y: auto;
   padding: 32px 0;
+  overscroll-behavior: none;
 }
 
 /* CodeMirror overrides */
 .cm-editor { height: 100%; }
 .cm-editor.cm-focused { outline: none; }
-.cm-scroller { font-family: 'Georgia', 'Times New Roman', serif; line-height: 1.8; font-size: 16px; transition: font-size 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
+.cm-scroller { font-family: 'Georgia', 'Times New Roman', serif; line-height: 1.8; font-size: 16px; transition: font-size 0.4s cubic-bezier(0.4, 0, 0.2, 1); overscroll-behavior: none; }
 .cm-content { max-width: 680px; margin: 0 auto; padding: 48px 24px 24px; transition: max-width 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
 .cm-line { padding: 0; margin-bottom: 0.75em; }
 .cm-line:last-child { margin-bottom: 0; }
diff --git a/src/renderer/types/global.d.ts b/src/renderer/types/global.d.ts
index ef5dae3..59255a4 100644
--- a/src/renderer/types/global.d.ts
+++ b/src/renderer/types/global.d.ts
@@ -57,6 +57,8 @@ declare global {
       writeConfig(updates: Partial<GlobalConfig>): Promise<void>
       pickFolder(): Promise<string | null>
       streamAIMessage(payload: AIPayload, onChunk: (chunk: string) => void): Promise<void>
+      showEditorContextMenu(): Promise<void>
+      showStoryContextMenu(storyId: string): Promise<string | null>
       onMenuAction(handler: (action: string) => void): () => void
     }
   }