/* Custom slider styles for Memphis neo-brutalist theme */
  input[type=range].memphis-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 12px;
    background: #ffffff;
    border: 2px solid #1c1b1b;
    outline: none;
    box-shadow: 2px 2px 0px #1c1b1b;
  }
  input[type=range].memphis-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: #fae100;
    border: 2px solid #1c1b1b;
    cursor: pointer;
    box-shadow: 2px 2px 0px #1c1b1b;
    transition: transform 0.1s;
  }
  input[type=range].memphis-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: #39ff14;
  }
  input[type=range].memphis-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: #fae100;
    border: 2px solid #1c1b1b;
    cursor: pointer;
    box-shadow: 2px 2px 0px #1c1b1b;
  }

  /* Key button active physics */
  .key-pad {
    transition: all 0.1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    user-select: none;
  }
  .key-pad.closed {
    background-color: #1c1b1b !important;
    color: #fae100 !important;
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px #1c1b1b !important;
  }

  /* Canvas styling */
  #airflow-canvas {
    pointer-events: none;
  }

  /* Pulsing wave animation on sound */
  @keyframes soundRing {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2.2); opacity: 0; }
  }
  .sound-pulse {
    animation: soundRing 0.8s ease-out infinite;
  }