diff --git a/lightningbeam-ui/lightningbeam-editor/src/main.rs b/lightningbeam-ui/lightningbeam-editor/src/main.rs
index 066b4b8..d273fa3 100644
--- a/lightningbeam-ui/lightningbeam-editor/src/main.rs
+++ b/lightningbeam-ui/lightningbeam-editor/src/main.rs
@@ -751,6 +751,9 @@ impl EditorApp {
     fn new(cc: &eframe::CreationContext, layouts: Vec<LayoutDefinition>, theme: Theme) -> Self {
         let current_layout = layouts[0].layout.clone();
 
+        // Disable egui's "Unaligned" debug overlay (on by default in debug builds)
+        cc.egui_ctx.style_mut(|style| style.debug.show_unaligned = false);
+
         // Load application config
         let config = AppConfig::load();
 
diff --git a/lightningbeam-ui/lightningbeam-editor/src/panes/node_graph/mod.rs b/lightningbeam-ui/lightningbeam-editor/src/panes/node_graph/mod.rs
index d31863d..88315e4 100644
--- a/lightningbeam-ui/lightningbeam-editor/src/panes/node_graph/mod.rs
+++ b/lightningbeam-ui/lightningbeam-editor/src/panes/node_graph/mod.rs
@@ -626,11 +626,15 @@ impl crate::panes::PaneRenderer for NodeGraphPane {
         // Allocate the rect and render the graph editor within it
         ui.allocate_ui_at_rect(rect, |ui| {
             // Check for scroll input to override library's default zoom behavior
+            // Only handle scroll when mouse is over the node graph area
+            let pointer_over_graph = ui.rect_contains_pointer(rect);
             let modifiers = ui.input(|i| i.modifiers);
             let has_ctrl = modifiers.ctrl || modifiers.command;
 
             // When ctrl is held, check for raw scroll events in the events list
-            let scroll_delta = if has_ctrl {
+            let scroll_delta = if !pointer_over_graph {
+                egui::Vec2::ZERO
+            } else if has_ctrl {
                 // Sum up scroll events from the raw event list
                 ui.input(|i| {
                     let mut total_scroll = egui::Vec2::ZERO;
diff --git a/lightningbeam-ui/lightningbeam-editor/src/panes/timeline.rs b/lightningbeam-ui/lightningbeam-editor/src/panes/timeline.rs
index 5fe0852..ff45405 100644
--- a/lightningbeam-ui/lightningbeam-editor/src/panes/timeline.rs
+++ b/lightningbeam-ui/lightningbeam-editor/src/panes/timeline.rs
@@ -1759,8 +1759,10 @@ impl TimelinePane {
         }
 
         // Distinguish between mouse wheel (discrete) and trackpad (smooth)
+        // Only handle scroll when mouse is over the timeline area
         let mut handled = false;
-        ui.input(|i| {
+        let pointer_over_timeline = response.hovered() || ui.rect_contains_pointer(header_rect);
+        if pointer_over_timeline { ui.input(|i| {
             for event in &i.raw.events {
                 if let egui::Event::MouseWheel { unit, delta, modifiers, .. } = event {
                     match unit {
@@ -1787,10 +1789,10 @@ impl TimelinePane {
                     }
                 }
             }
-        });
+        }); }
 
         // Handle scroll_delta for trackpad panning (when Ctrl not held)
-        if !handled {
+        if pointer_over_timeline && !handled {
             let scroll_delta = ui.input(|i| i.smooth_scroll_delta);
             if scroll_delta.x.abs() > 0.0 || scroll_delta.y.abs() > 0.0 {
                 // Horizontal scroll: pan timeline (inverted: positive delta scrolls left/earlier in time)