body {
    background: radial-gradient(circle at center, #181818, #000);
    color: #fff;
    font-family: Arial, sans-serif;
    text-align: center;
  }
  h1 { margin-bottom: 10px; }
  .main-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
  }
  canvas {
    border: 5px solid #fff;
    border-radius: 50%;
    background: #222;
    display: block;
  }
  .wheel-section {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .controls-under-wheel {
    margin-top: 15px;
  }
  .controls-under-wheel button {
    padding: 10px 20px;
    margin: 5px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: white;
    transition: background 0.3s;
  }
  #spinBtn { background: #4CAF50; }
  #spinBtn:hover { background: #3e8e41; }
  #resetBtn { background: #2196F3; }
  #resetBtn:hover { background: #1976d2; }

  .side-panel {
    text-align: left;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    min-width: 250px;
  }
  .side-panel h3 { text-align: center; margin-bottom: 10px; }

  .input-row {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: space-between;
    margin-bottom: 10px;
  }
  input[type="text"] {
    flex: 1;
    padding: 8px;
    font-size: 16px;
    border-radius: 5px;
    border: none;
  }
  .option-buttons {
    display: flex;
    gap: 5px;
    justify-content: center;
    flex-wrap: wrap;
  }
  #addBtn, #clearBtn, #importBtn {
    padding: 8px 16px;
    font-size: 15px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: white;
    transition: background 0.3s;
  }
  #addBtn { background: #9C27B0; }
  #addBtn:hover { background: #7B1FA2; }
  #clearBtn { background: #f44336; }
  #clearBtn:hover { background: #d32f2f; }
  #importBtn { background: #FF9800; }
  #importBtn:hover { background: #F57C00; }

  ul { list-style: none; padding: 0; margin-top: 10px; /*max-height: 280px;*/ overflow:auto; }
  ul li {
    background: rgba(255,255,255,0.1);
    padding: 6px;
    border-radius: 4px;
    margin: 4px auto;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
  }
  ul li span { flex-grow: 1; cursor: pointer; }
  ul li input {
    flex-grow: 1;
    padding: 4px;
    border-radius: 5px;
    border: none;
    font-size: 15px;
  }
  .deleteBtn {
    background: #f44336;
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    padding: 4px 8px;
  }
  .deleteBtn:hover { background: #d32f2f; }

  .slider-container {
    margin-top: 15px;
    text-align: center;
  }
  input[type="range"] {
    width: 180px;
    accent-color: #4CAF50;
  }

  @media (max-width: 768px) {
    .main-container { flex-direction: column; align-items: center; }
    .side-panel { width: 100%; max-width: 300px; }
  }