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

html, body {
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

#wrap {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: block;
}

/* ---- sterowanie dotykowe ---- */
#touch {
  position: fixed;
  inset: 0;
  display: none;
  pointer-events: none;
  z-index: 10;
}

body.has-touch #touch { display: block; }

.t-left {
  position: absolute;
  left: 12px;
  bottom: 16px;
  display: flex;
  gap: 12px;
}

.t-right {
  position: absolute;
  right: 12px;
  bottom: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.tbtn {
  pointer-events: auto;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.85);
  font-family: 'Press Start 2P', monospace;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.tbtn:active { background: rgba(255, 255, 255, 0.4); }
.tbtn-a { width: 72px; height: 72px; background: rgba(16, 185, 129, 0.3); border-color: rgba(16, 185, 129, 0.7); }
.tbtn-b { background: rgba(250, 192, 0, 0.25); border-color: rgba(250, 192, 0, 0.6); margin-bottom: 4px; }