body {
  background-color: #F8F3A9;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

canvas {
  border-radius: 0.4em;
}

/* Désactive sélection et menu contextuel */
body, button {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* Désactive highlight Android */
button {
  -webkit-tap-highlight-color: transparent;
}


.mobile-controls {
  position: fixed;
  bottom: 20px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 30px;
  box-sizing: border-box;
  z-index: 999;
}

.mobile-controls button {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: none;
  font-size: 30px;
  background: rgba(0, 0, 0, 0.5);
  color: white;

  display: flex;
  align-items: center;
  justify-content: center;

  touch-action: none; /* CRUCIAL */
}

.mobile-controls button:active {
  transform: scale(0.9);
  background: rgba(255,255,255,0.3);
}