:root {
  /* 🌈 Customize visuals here */
  --wall-color: #444;
  --floor-color: #222;
  --ceiling-color: #000;
  --enemy-color: #ff3333;
  --hud-color: #ff0000;
}

body {
  margin: 0;
  overflow: hidden;
  background: black;
  color: white;
  font-family: monospace;
  text-align: center;
}

#game {
  display: block;
  margin: auto;
  background: black;
}

#info {
  position: absolute;
  top: 10px;
  width: 100%;
  text-align: center;
  color: var(--hud-color);
  font-size: 18px;
}

.crosshair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 16px;
  border-left: 2px solid red;
  border-top: 2px solid red;
  border-right: 2px solid red;
  border-bottom: 2px solid red;
  transform: translate(-50%, -50%);
  pointer-events: none;
}