.callback-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.callback-message {
  display: none;
  margin-bottom: 15px;
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.5;
  text-align: left;
}

.callback-message.is-success {
  display: block;
  color: #155724;
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
}

.callback-message.is-error {
  display: block;
  color: #721c24;
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
}

.callback-form.is-submitting .btn-submit {
  cursor: wait;
  opacity: 0.8;
}

.callback-spinner {
  display: none;
  width: 16px;
  height: 16px;
  margin-left: 8px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: middle;
  animation: callback-spin 0.75s linear infinite;
}

.callback-form.is-submitting .callback-spinner {
  display: inline-block;
}

.callback-success-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.55);
}

.callback-success-modal.is-visible {
  display: flex;
}

.callback-success-modal__box {
  width: min(420px, 100%);
  padding: 28px;
  border-radius: 6px;
  background-color: #ffffff;
  text-align: center;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.callback-success-modal__box h3 {
  margin-bottom: 10px;
}

.callback-success-modal__box p {
  margin-bottom: 20px;
}

@keyframes callback-spin {
  to {
    transform: rotate(360deg);
  }
}