.loading {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #66808e;
  font-size: 15px;
}

.loading-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #177c69;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  box-shadow: 0 10px 30px rgba(49, 91, 77, .15);
  animation: loading-pulse 1.2s ease-in-out infinite;
}

@keyframes loading-pulse {
  50% { transform: scale(.92); opacity: .72; }
}

@media (prefers-reduced-motion: reduce) {
  .loading-mark { animation: none; }
}