.error-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #dc3545;
}

.error-message {
  font-size: 1.05rem;
  color: #6c757d;
  margin-top: 12px;
  margin-bottom: 28px;
  line-height: 1.6;
}

.btn-back {
  font-size: 0.95rem;
  padding: 8px 18px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-back:hover {
  background-color: #dee2e6;
  text-decoration: none;
}