body { margin: 0; display: flex; justify-content: center; align-items: center; height: 100vh; background-color: #f7f7f7; font-family: 'Courier New', Courier, monospace; overflow: hidden; }
#game-container { position: relative; width: 800px; height: 200px; text-align: center; }
canvas { background-color: #fff; border-bottom: 2px solid #535353; box-shadow: 0 4px 6px rgba(0,0,0,0.1); border-radius: 4px; }
#score { position: absolute; top: 10px; right: 20px; font-size: 24px; font-weight: bold; color: #535353; z-index: 10; }
#game-over { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); display: none; flex-direction: column; align-items: center; background: rgba(255,255,255,0.9); padding: 20px; border-radius: 8px; z-index: 20; }
#game-over p { font-size: 28px; color: #535353; font-weight: bold; margin: 0 0 15px 0; }
button { padding: 12px 24px; font-size: 18px; cursor: pointer; background-color: #535353; color: white; border: none; border-radius: 4px; font-weight: bold; transition: background 0.2s; }
button:hover { background-color: #333; }
.instructions { position: absolute; bottom: -40px; width: 100%; text-align: center; color: #888; font-size: 16px; font-weight: bold; }