diff --git a/ui-electrobun/src/mainview/App.svelte b/ui-electrobun/src/mainview/App.svelte
index a461fdb..4186136 100644
--- a/ui-electrobun/src/mainview/App.svelte
+++ b/ui-electrobun/src/mainview/App.svelte
@@ -357,7 +357,10 @@
 <div class="app-shell" role="presentation">
   <!-- Left sidebar icon rail — draggable for window move -->
   <!-- svelte-ignore a11y_no_static_element_interactions -->
-  <aside class="sidebar" role="navigation" aria-label="Primary navigation" onmousedown={onDragStart}>
+  <aside class="sidebar" role="navigation" aria-label="Primary navigation">
+    <!-- Drag zone for window move — inset from edges so resize handles work -->
+    <!-- svelte-ignore a11y_no_static_element_interactions -->
+    <div class="sidebar-drag-zone" onmousedown={onDragStart}></div>
     <!-- AGOR vertical title -->
     <div class="agor-title" aria-hidden="true">AGOR</div>
 
diff --git a/ui-electrobun/src/mainview/app.css b/ui-electrobun/src/mainview/app.css
index 981f9ad..8933221 100644
--- a/ui-electrobun/src/mainview/app.css
+++ b/ui-electrobun/src/mainview/app.css
@@ -83,8 +83,14 @@ html, body {
   flex-direction: column;
   align-items: center;
   padding: 0.5rem 0;
-  padding-left: 10px; /* Leave space for native resize edge (8px + margin) */
   gap: 0.25rem;
+  position: relative;
+}
+.sidebar-drag-zone {
+  position: absolute;
+  top: 10px; left: 10px; right: 0; bottom: 10px;
+  cursor: grab;
+  z-index: 0; /* behind sidebar content */
 }
 
 .sidebar-icon {