diff --git a/src/components/chat/ChatOverlay.tsx b/src/components/chat/ChatOverlay.tsx
index fcf5cea..8fc020e 100644
--- a/src/components/chat/ChatOverlay.tsx
+++ b/src/components/chat/ChatOverlay.tsx
@@ -64,13 +64,13 @@ export function ChatOverlay({
     containerSize.height * 0.6
   );
 
-  // Position overlay at center when first shown
+  // Position overlay at center (slightly moved up) when first shown
   const hasPositionedRef = useRef(false);
   useEffect(() => {
     if (isVisible && containerRef.current && containerSize.width > 0 && overlayWidth > 0 && overlayHeight > 0) {
-      // Calculate center position
+      // Calculate center position, moved up by 15% of container height
       const centerX = (containerSize.width - overlayWidth) / 2;
-      const centerY = (containerSize.height - overlayHeight) / 2;
+      const centerY = (containerSize.height - overlayHeight) / 2 - (containerSize.height * 0.15);
       
       // Only auto-position on first show (when position is at origin)
       if (!hasPositionedRef.current && position.x === 0 && position.y === 0) {
diff --git a/src/components/playground/PhoneSimulator.tsx b/src/components/playground/PhoneSimulator.tsx
index afbec4f..3a7ea9a 100644
--- a/src/components/playground/PhoneSimulator.tsx
+++ b/src/components/playground/PhoneSimulator.tsx
@@ -1272,8 +1272,8 @@ export function PhoneSimulator({
                       </button>
                     </div>
                   ) : (
-                    <div className="w-full flex items-center justify-between gap-8">
-                      {/* Left side: Mic Toggle */}
+                    <div className="w-full flex items-center justify-center gap-4">
+                      {/* Mic Toggle */}
                       {phoneMode !== "hand_off" && (
                         <button
                           className={`p-4 rounded-full backdrop-blur-md transition-colors ${
@@ -1291,7 +1291,7 @@ export function PhoneSimulator({
                         </button>
                       )}
 
-                      {/* Right side: End Call Button */}
+                      {/* End Call Button */}
                       <button
                         className="p-4 rounded-full bg-red-500 text-white hover:bg-red-600 transition-colors"
                         onClick={handleDisconnect}