:root{--wall-color: #0033ff;--wall-shadow: #0077ff;--power-pellet-glow: #ff00ff}#game-viewport{background-color:#000;border-radius:10px;box-shadow:0 0 20px var(--wall-shadow) inset}#score-display,#level-display{color:var(--wall-shadow);text-shadow:0 0 8px var(--wall-shadow)}.lives-container{display:flex;gap:8px;justify-content:center;align-items:center;min-height:30px}.game-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;flex-direction:column;justify-content:center;align-items:center;color:#fff;z-index:10;border-radius:10px}.game-overlay h2{font-size:2.5em;margin-bottom:20px;color:var(--power-pellet-glow);text-shadow:0 0 10px var(--power-pellet-glow)}.game-overlay p{font-size:1.2em;margin-bottom:20px}.game-overlay .btn{margin-top:10px}