diff --git a/src/app.css b/src/app.css
index 519fad0..ede87c5 100644
--- a/src/app.css
+++ b/src/app.css
@@ -600,6 +600,10 @@ body {
     overflow: hidden;
 }
 
+.config-card-content.open > div {
+    overflow: visible;
+}
+
 /* Toggle switches */
 .toggle-group {
     display: flex;
@@ -764,6 +768,15 @@ body {
     user-select: none;
 }
 
+/* Expand touch target for mobile devices */
+@media (pointer: coarse) {
+    .tooltip-trigger::before {
+        content: '';
+        position: absolute;
+        inset: -12px;
+    }
+}
+
 .tooltip-content {
     position: absolute;
     bottom: 140%;
diff --git a/src/core/audio.js b/src/core/audio.js
index 984ae67..cd68588 100644
--- a/src/core/audio.js
+++ b/src/core/audio.js
@@ -17,8 +17,14 @@ export function playInstallAudio() {
     const audio = getInstallAudio();
     if (audio) {
         audio.currentTime = 0;
-        audio.play();
-        soundEnabled.set(true);
+        audio.load();
+        audio.play()
+            .then(() => {
+                soundEnabled.set(true);
+            })
+            .catch(() => {
+                soundEnabled.set(false);
+            });
     }
 }