body {
    background-color: #f7f7f7;
    font-family: Arial, sans-serif;
  }

  /* Header Styles */
  .header {
    background-color: #ffffff;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  .header img {
    height: 40px;
  }

  .header .user-icon {
    font-size: 24px;
  }

  /* Button Styling */
  .btn-category,
  .btn-subcategory {
    width: calc(33.33% - 10px);
    margin: 5px;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    border: 2px solid #1a73e8;
    color: #1a73e8;
    font-weight: bold;
  }

  .btn-category.active,
  .btn-subcategory.active {
    background-color: #1a73e8;
    color: #ffffff;
  }

  .btn-category:hover,
  .btn-subcategory:hover {
    background-color: #1a73e8;
    color: #ffffff;
  }

  textarea {
    border-radius: 8px;
    border: 1px solid #ccc;
  }

  /* Responsive adjustments */
  @media (max-width: 768px) {
    .btn-category,
    .btn-subcategory {
      width: calc(50% - 10px);
    }
  }

  @media (max-width: 576px) {
    .btn-category,
    .btn-subcategory {
      width: 100%;
    }
  }