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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #3E1F0D;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

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

#controls {
  position: fixed;
  bottom: 20px;
  left: 0;
  right: 0;
  display: none;
  justify-content: center;
  gap: 10px;
  z-index: 10;
  pointer-events: none;
}

.touch-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(210, 105, 30, 0.5);
  border: 3px solid rgba(255, 248, 220, 0.6);
  color: #FFF8DC;
  font-family: 'Fredoka', sans-serif;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: all;
  -webkit-tap-highlight-color: transparent;
}

.touch-btn:active {
  background: rgba(210, 105, 30, 0.8);
}

@media (pointer: coarse) {
  #controls {
    display: flex;
  }
}