body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #1a1a1a;
}

.game-container {
  position: relative;
}

#gameCanvas {
  border: 2px solid #fff;
  background: #000;
  box-shadow: 0 0 20px rgba(0,255,255,0.3);
}

.score-board {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #fff;
  font-family: Arial;
  font-size: 24px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}