diff --git a/src/ui/applicationShell.js b/src/ui/applicationShell.js
index ac921b34b..1e4daaefd 100644
--- a/src/ui/applicationShell.js
+++ b/src/ui/applicationShell.js
@@ -542,6 +542,7 @@ export class StyleManager extends ShellFacade {
         _toggleOrbit: (...args) => this._toggleOrbit(...args),
         toggleCleanView: (...args) => this.toggleCleanView(...args),
         _toggleCctvEnabled: (...args) => this._toggleCctvEnabled(...args),
+        _togglePanel: (panelId) => this._panelChrome._togglePanel(panelId),
         _setBloomEnabled: (...args) => this._setBloomEnabled(...args),
         _setBloomIntensity: (...args) => this._setBloomIntensity(...args),
         _setSharpenEnabled: (...args) => this._setSharpenEnabled(...args),
diff --git a/src/ui/applicationShortcuts.js b/src/ui/applicationShortcuts.js
index 57214a570..d83e0caab 100644
--- a/src/ui/applicationShortcuts.js
+++ b/src/ui/applicationShortcuts.js
@@ -27,6 +27,11 @@ export function bindApplicationShortcuts({
       event.target?.matches?.('select, input, textarea') ||
       event.target === searchInput;
     if (isFormControl && event.key !== 'Escape') return;
+    // Browser and OS shortcuts (Cmd+C, Ctrl+F, Alt+1…) are not ours.
+    if (event.metaKey || event.ctrlKey || event.altKey) {
+      if (event.key === 'Escape') actions.dismissSearch();
+      return;
+    }
 
     if (STYLE_KEYS[event.key]) actions.setStyle(STYLE_KEYS[event.key]);
     if (event.key === 'Escape') actions.dismissSearch();
diff --git a/src/ui/displayBindings.js b/src/ui/displayBindings.js
index 73c4fbee6..5a00dc663 100644
--- a/src/ui/displayBindings.js
+++ b/src/ui/displayBindings.js
@@ -64,8 +64,8 @@ export class DisplayBindings {
         },
         toggleOrbit: () => this._toggleOrbit(),
         toggleCleanView: () => this.toggleCleanView(),
-        toggleLayers: () =>
-          document.getElementById('data-panel').classList.toggle('active'),
+        // Same collapse as the panel's own button, so its rail entry stays.
+        toggleLayers: () => this._togglePanel('data-panel'),
         cycleDetection: () => {
           this.shareLinkManager?.claimRestoreLane?.('visual');
           this.claimDetection();
diff --git a/src/ui/visualInput.test.mjs b/src/ui/visualInput.test.mjs
index d49a19bda..82ca6becc 100644
--- a/src/ui/visualInput.test.mjs
+++ b/src/ui/visualInput.test.mjs
@@ -117,9 +117,19 @@ test('the supplied search target retains editing even without form markup', () =
   assert.deepEqual(f.calls, [['dismissSearch']]);
 });
 
-test('shortcut extraction does not change repeat or modifier policy', () => {
+test('browser shortcuts with Cmd, Ctrl or Alt never reach app shortcuts', () => {
   const f = shortcuts();
-  f.press('h', new Element(), { repeat: true, ctrlKey: true });
+  for (const modifier of ['metaKey', 'ctrlKey', 'altKey'])
+    for (const key of ['1', 'h', 'o', 'v', 'f', 'd', 'c'])
+      f.press(key, new Element(), { [modifier]: true });
+  assert.deepEqual(f.calls, []);
+  f.press('Escape', new Element(), { metaKey: true });
+  assert.deepEqual(f.calls, [['dismissSearch']]);
+});
+
+test('a held key still repeats its shortcut', () => {
+  const f = shortcuts();
+  f.press('h', new Element(), { repeat: true });
   assert.deepEqual(f.calls, [['toggleHud']]);
 });