body {
  background: #181825;
  color: #fff;
  font-family: "Press Start 2P", monospace;
  margin: 0;
  padding: 0;
}
#game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 32px;
}
canvas {
  border: 4px solid #fff;
  background: linear-gradient(to top, #181825 60%, #2e2e4d 100%);
  image-rendering: pixelated;
}
.back-link {
  position: absolute;
  top: 16px;
  left: 16px;
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  background: #222;
  padding: 4px 12px;
  border-radius: 8px;
  border: 2px solid #fff;
}
#mobile-controls {
  margin-top: 16px;
  display: flex;
  gap: 16px;
}
#mobile-controls button {
  background: #222;
  color: #fff;
  border: 2px solid #fff;
  border-radius: 8px;
  font-size: 32px;
  width: 64px;
  height: 64px;
  font-family: "Press Start 2P", monospace;
  cursor: pointer;
  box-shadow: 0 2px 0 #444;
}
#mobile-controls button:active {
  background: #444;
}