body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f4f6f8;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
  }
  
  .container {
    text-align: center;
    background-color: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  
  input {
    padding: 10px;
    width: 200px;
    font-size: 16px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
  }
  
  button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #0077cc;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  button:hover {
    background-color: #005fa3;
  }
  
  #resultado {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
  }