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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #0a0a05;
  touch-action: none;
  cursor: crosshair;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

#ui-layer {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 10;
}

#ui-layer button {
  pointer-events: all;
  position: absolute;
  width: 40px; height: 40px;
  border: 1px solid rgba(180, 140, 80, 0.4);
  background: rgba(10, 8, 4, 0.7);
  color: #b48c50;
  font-size: 18px;
  cursor: pointer;
  font-family: 'Courier New', monospace;
  transition: background 0.2s;
}

#fullscreen-btn { top: 8px; right: 8px; }
#mute-btn { top: 8px; right: 54px; }

#ui-layer button:hover {
  background: rgba(180, 140, 80, 0.2);
}

@font-face {
  font-family: 'MenuFont';
  src: local('Courier New'), local('Courier'), local('monospace');
}

::selection { background: rgba(180, 140, 80, 0.3); color: #d4b86a; }