der: none;
    }

    .legend {
      color: #2c98f0;
      font-weight: 600;
      font-size: 18px;
      margin-bottom: 15px;
    }

    .btn {
      padding: 8px 16px;
      border-radius: 4px;
      transition: all 0.3s ease;
    }

    .btn-primary {
      background: #2c98f0;
      border-color: #2c98f0;
    }

    .btn-success {
      background: #f9bf3f;
      border-color: #f9bf3f;
      color: #333;
    }

    .section {
      border: 1px solid #eee;
      border-radius: 4px;
      padding: 15px;
