body {
    font-family: Arial, sans-serif;
    background-color: #eef1f5;
    padding: 40px;
    text-align: center;
  }
  
  .container {
    max-width: 400px;
    margin: auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
  }
  
  label {
    display: block;
    margin-top: 20px;
  }
  
  input, select {
    padding: 8px;
    width: 100%;
    margin-top: 5px;
    font-size: 16px;
  }
  
  button {
    margin-top: 25px;
    padding: 12px;
    width: 100%;
    background-color: #0077cc;
    color: white;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #005fa3;
  }
  
  #resultado {
    margin-top: 30px;
    font-size: 18px;
  }