/* Ensures canvas fills container */
#three-container canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* UI tweaks */
#message {
  transition: opacity 0.3s ease;
}

/* Mobile improvements */
@media (max-width: 640px) {
  #score {
    font-size: 1rem;
  }
  #target-text {
    font-size: 0.8rem;
  }
  #color-swatch {
    width: 28px;
    height: 28px;
  }
}