body {
    font-family: Arial, sans-serif;
    padding: 20px;
    background: #f9f9f9;
  }
  
  .api-tester-container {
    max-width: 700px;
    margin: auto;
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  }
  
  label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
  }
  
  input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
  }
  
  textarea {
    resize: vertical;
    height: 100px;
  }
  
  button {
    margin-top: 20px;
    padding: 12px;
    background-color: #007bff;
    color: white;
    font-size: 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #0056b3;
  }
  
  #response-section {
    margin-top: 30px;
  }
  
  #response-output {
    background: #f1f1f1;
    padding: 15px;
    border-radius: 6px;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
  }