body {
    font-family: Arial, sans-serif;
    background: #121212;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
  }
  
  .container {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(255,255,255,0.1);
    text-align: center;
    width: 300px;
  }
  
  input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: none;
    border-radius: 5px;
  }
  
  button {
    background: #af4caf;
    color: white;
    padding: 10px 20px;
    margin-top: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  button:hover {
    background: #45a049;
  }
  
  #resultado {
    margin-top: 20px;
    font-weight: bold;
  }