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

html, body {
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  font-family: 'Courier New', Courier, monospace;
}

#game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: #000;
}

#game-canvas {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  background: #000;
  max-width: 100vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  aspect-ratio: 640 / 480;
  border: 2px solid #fff;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

#controls-hint {
  color: #888;
  font-size: 11px;
  margin-top: 8px;
  letter-spacing: 1px;
  text-align: center;
  font-family: 'Courier New', Courier, monospace;
}