body {
      font-family: Arial, sans-serif;
    }
    #musicPopup {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: rgba(0,0,0,0.6);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 9999;
    }
    .popup-box {
      background: white;
      padding: 20px 30px;
      border-radius: 12px;
      text-align: center;
      max-width: 300px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      animation: fadeIn 0.3s ease;
    }
    .popup-box h3 {
      margin-bottom: 15px;
    }
    .popup-box button {
      margin: 5px;
      padding: 10px 20px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 14px;
    }
    .btn-yes {
      background: #4caf50;
      color: white;
    }
    .btn-no {
      background: #f44336;
      color: white;
    }
    @keyframes fadeIn {
      from {opacity: 0; transform: scale(0.8);}
      to {opacity: 1; transform: scale(1);}
    }