.footer {
  padding-top: 20px;
}

.footer .interface form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer form input,
.footer form textarea {
  background-color: var(--background-color-2);
  border: 1px solid var(--color-destaque);
  padding: 10px;
  margin-bottom: 10px;
  color: var(--color-texto);
  font-size: 16px;
  border-radius: 5px;
}

.footer form button {
  width: 100px;
  background-color: var(--color-destaque);
  color: var(--color-fonte-hover);
  border: none;
  padding: 10px;
  font-size: 16px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}

.footer form button:hover {
  background-color: var(--color-backgound-hover);
  color: var(--color-fonte-hover);
}

.footer p {
  
  text-align: center;
  padding: 30px ;
  border-top: 1px solid var(--color-destaque);
  margin-top: 30px;
  font-style: italic;
}

#submit-btn {
  position: relative;
  transition: all 0.3s ease;
}

#submit-btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

#submit-btn.loading::after {
  content: "";
  width: 18px;
  height: 18px;
  border: 3px solid transparent;
  border-top: 3px solid white;
  border-radius: 50%;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  animation: spin 0.8s linear infinite;
}

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