body {
  margin: 0;
  overflow: hidden;
  background: #1a1e29;
  touch-action: none;
}

#game {
  width: 100vw;
  height: 100vh;
  display: block;
}

.joystick {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  position: fixed;
  background: rgba(255, 255, 255, 0.2);
  border: 3px solid rgba(255,255,255,0.4);
}

#joystick-left { bottom: 10%; left: 5%; }
#joystick-right { bottom: 10%; right: 5%; }