diff --git a/src/components/settings/JsonSettingsEditor.tsx b/src/components/settings/JsonSettingsEditor.tsx
index a647619..efdaf51 100644
--- a/src/components/settings/JsonSettingsEditor.tsx
+++ b/src/components/settings/JsonSettingsEditor.tsx
@@ -1221,7 +1221,7 @@ export function JsonSettingsEditor(props: JsonSettingsEditorProps) {
       {/* Header */}
       <div class="flex items-center justify-between px-4 py-2 border-b border-border bg-background-secondary flex-wrap gap-2">
         {/* Scope Tabs */}
-        <div class="flex items-center gap-2 flex-wrap">
+        <div class="flex items-center gap-2 flex-wrap min-w-0">
           <div class="flex items-center gap-1 rounded-lg border border-border bg-background p-0.5">
             <button
               onClick={() => switchScope("user")}
@@ -1256,14 +1256,14 @@ export function JsonSettingsEditor(props: JsonSettingsEditorProps) {
           
           {/* File path indicator */}
           <Show when={settingsPath()}>
-            <span class="text-xs text-foreground-muted truncate max-w-[300px]" title={settingsPath()}>
+            <span class="text-xs text-foreground-muted truncate max-w-[300px] min-w-0" title={settingsPath()}>
               {settingsPath()}
             </span>
           </Show>
         </div>
 
         {/* Actions */}
-        <div class="flex items-center gap-2 flex-wrap">
+        <div class="flex items-center gap-2 flex-shrink-0 flex-wrap">
           {/* Show Default Settings Toggle */}
           <button
             onClick={() => setShowDefaultSettings(!showDefaultSettings())}