* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #0a0a0a;
  color: #fff;
  font-family: 'Arial', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

#game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

h1 {
  font-size: 2rem;
  letter-spacing: 4px;
  color: #4ade80;
  text-shadow: 0 0 20px #4ade8088;
}

#gameCanvas {
  border: 2px solid #333;
  border-radius: 4px;
  background: #111;
  display: block;
}

#controls {
  color: #888;
  font-size: 0.9rem;
}

#controls strong {
  color: #4ade80;
}