/* Match the same style as login / logout / update */
#back-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;

  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: white;

  background: transparent;
  border: 1px solid magenta;
  border-radius: 10px;

  text-decoration: none;
  cursor: pointer;

  transition: box-shadow .2s, transform .1s;
  margin: 2rem .35rem;
}

#back-btn:hover {
  box-shadow: 0 0 10px rgba(255,0,255,.3);
}

#back-btn:active {
  transform: scale(.98);
}

/* Responsive adjustments (match your existing buttons) */
@media (max-width: 800px) {
  #back-btn {
    margin: 0.25rem 0.3rem;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 500px) {
  #back-btn {
    font-size: 0.8rem;
    padding: 0.35rem 0.7rem;
  }
}