body {
    font-family: 'Segoe UI', sans-serif;
    background: #f0f8ff;
    color: #333;
    text-align: center;
    padding: 2rem;
  }

  h1 {
    margin-bottom: 1rem;
    color: #2c3e50;
  }

  input[type="text"] {
    padding: 0.5rem;
    font-size: 1rem;
    width: 200px;
    margin-right: 0.5rem;
    border-radius: 5px;
    border: 1px solid #ccc;
  }

  button {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }

  button:hover {
    background-color: #2980b9;
  }

  #resultArea {
    margin-top: 2rem;
    background: white;
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
  }