body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
    background: #000;
    color: #eee;
    margin: 0;
    padding: 0;
  }
  
  h2 {
    margin-top: 20px;
    color: #00ffea;
  }
  
  canvas {
    border: 1px solid #555;
    background: #111;
    display: block;
    margin: 20px auto;
  }
  
  .controls {
    margin: 10px auto;
    width: 440px;
    padding: 15px;
    background: #222;
    border-radius: 10px;
    box-shadow: 0 0 10px #000;
  }
  
  .slider-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 8px 0;
  }
  
  .slider-container label {
    width: 120px;
    text-align: left;
  }
  
  .slider-container input[type=range] {
    flex: 1;
    margin: 0 10px;
  }
  
  .slider-container span {
    width: 40px;
    display: inline-block;
    text-align: right;
  }
  
  button {
    margin: 5px;
    padding: 8px 15px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    background: #00ffea;
    color: #000;
    cursor: pointer;
    transition: background 0.3s;
  }
  
  button:hover {
    background: #00ccbf;
  }
  
  .status p {
    margin: 5px 0;
    font-size: 16px;
  }
  
  .explanation {
    margin: 20px auto;
    width: 80%;
    max-width: 800px;
    font-size: 14px;
    background: #222;
    padding: 15px;
    border-radius: 8px;
    text-align: left;
    color: #ccc;
    line-height: 1.5;
    box-shadow: 0 0 5px #000;
  }
  
  .explanation strong {
    color: #fff;
  }