.form-control.StripeElement {
  padding: 10px;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
}

.card-box {
  width: 90%;
  max-width: 500px;
  margin: 40px auto;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  background-color: #fff;
  box-sizing: border-box;
}

/* Small devices (up to 600px) */
@media (max-width: 600px) {
  .card-box {
    width: 100%;
    max-width: 100%;
    margin: 20px auto;
    padding: 16px;
  }
}

/* Medium devices (601px to 900px) */
@media (min-width: 601px) and (max-width: 900px) {
  .card-box {
    max-width: 600px;
    padding: 18px;
  }
}

/* Large devices (901px and above) */
@media (min-width: 901px) {
  .card-box {
    max-width: 700px;
    padding: 24px;
  }
}

.btn-dark {
  background-color: #052c1e;
  border: none;
}

.btn-dark:hover {
  background-color: #041f14;
}

label {
  font-weight: 600;
}

#coupon-feedback {
  font-weight: bold;
  margin-top: 5px;
}

#alert-area.text-success, #popup-message.text-success {
  color: green !important;
  font-family: 'Lato', sans-serif;
  font-size: 17px;
}
#alert-area.text-danger, #popup-message.text-danger {
  color: red !important;
  font-family: 'Lato', sans-serif;
  font-size: 17px;
}