body {
    background: black;
    font-family: 'Roboto', sans-serif;
  }
  
  .card {
    border-radius: 12px;
  }
  
  button.btn {
    border-radius: 25px;
    padding: 0 2rem;
  }
  
  button.btn:hover {
    background-color: #1565c0 !important; /* A deeper shade of blue */
    transition: background-color 0.3s ease;
  }
    
  .code-input-wrapper {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  
  .code-char {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 24px;
    border: 2px solid #ccc;
    border-radius: 4px;
    transition: border-color 0.3s ease;
  }
  
  .code-char:focus {
    border-color: #1976d2;
    outline: none;
  }
  

  @media screen and (max-width: 480px) {
    .code-char {
      width: 26px;
      height: 38px;
    }
  }