body {
    background-color: #f9f9f9;
  }

  .otp-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  }

  .otp-container h2 {
    text-align: center;
    margin-bottom: 20px;
  }

  .otp-input {
    width: 40px;
    height: 50px;
    text-align: center;
    font-size: 1.2em;
    margin: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }

  .otp-input:focus {
    outline: none;
    border-color: #fa8232;
    box-shadow: 0 0 5px rgba(250, 130, 50, 0.5);
  }

  .btn {
    background-color: #fa8232;
    border: none;
    width: 100%;
  }

  .btn:hover {
    background-color: #f97a1e;
  }

  .error-message {
    color: red;
    font-size: 0.85em;
    text-align: center;
    margin-top: 10px;
  }

  .resend-link {
    text-align: center;
    margin-top: 15px;
    font-size: 0.9em;
  }

  .resend-link a {
    color: #fa8232;
    text-decoration: none;
  }

  .resend-link a:hover {
    text-decoration: underline;
  }