* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: linear-gradient(180deg, #4ec0ca 0%, #70c5ce 50%, #ded895 100%);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  touch-action: manipulation;
}

#game-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#game-container canvas {
  display: block;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
  image-rendering: -webkit-optimize-contrast;
}

#loading {
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}