body {
    font-family: Georgia, serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
    color: #222;
  }
  
  .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px 20px;
    text-align: center;
  }
  
  h1, h2 {
    color: #402c9f;
  }
  
  p {
    font-size: 1.1rem;
    line-height: 1.6;
  }
  
  input[type="text"] {
    padding: 10px;
    width: 60%;
    max-width: 300px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    margin-bottom: 15px;
  }
  
  button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    margin: 10px 5px;
    transition: background-color 0.3s ease;
  }
  
  button:hover {
    background-color: #218838;
  }
  
  #circleCanvas {
    background-color: #fff;
    border: 2px solid #ccc;
    margin-top: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  }