body {
    font-family: Arial, sans-serif;
    margin: 40px;
    background-color: #f9f9f9;
    color: #333;
  }
  
  h1 {
    text-align: center;
    margin-bottom: 30px;
  }
  
  form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
  }
  
  form input,
  form button {
    padding: 8px;
    font-size: 14px;
  }
  
  form button {
    grid-column: span 2;
    background-color: #e0e0e0;
    border: 1px solid #bbb;
    cursor: pointer;
  }
  
  form button:hover {
    background-color: #d5d5d5;
  }
  
  #exportBtn {
    padding: 8px 16px;
    margin-bottom: 20px;
    background-color: #e0e0e0;
    border: 1px solid #bbb;
    cursor: pointer;
  }
  
  #exportBtn:hover {
    background-color: #d5d5d5;
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
  }
  
  table th,
  table td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: left;
  }
  
  table th {
    background-color: #f0f0f0;
  }