Fix UI jank a bit

App.tsx

@@ -137,10 +137,10 @@ function App() {
   });
 
   return (
-    <div className="min-h-screen text-white relative">
+    <div className="h-screen text-white relative overflow-hidden">
       <FloatingShapes />
       
-      <div className="relative z-10">
+      <div className="relative z-10 h-full">
         {gameState === 'LANDING' || gameState === 'GENERATING' ? (
           <Landing 
             onGenerate={startQuizGen} 
@@ -179,6 +179,7 @@ function App() {
               role={role}
               onStart={startGame}
               onEndGame={role === 'HOST' ? endGame : undefined}
+              currentPlayerId={currentPlayerId}
             />
             {auth.isAuthenticated && pendingQuizToSave && (
               <SaveQuizPrompt