.alarm-history-loading { padding: 10px; opacity: 0; animation: alarm-loading-reveal 0.15s ease 0.18s forwards; }
.alarm-history-loading > div { display: grid; gap: 7px; }
.alarm-loading-card { display: grid; align-content: center; gap: 11px; box-sizing: border-box; height: 82px; padding: 13px; border: 1px solid #e1e6ed; border-radius: 10px; background: #fff; }
.alarm-loading-card span { display: block; width: 48%; height: 8px; border-radius: 4px; background: #e9eef4; animation: alarm-loading-pulse 1.5s ease-in-out infinite alternate; }
.alarm-loading-card span:nth-child(2) { width: 88%; }
.alarm-loading-card span:nth-child(3) { width: 30%; height: 6px; }
@keyframes alarm-loading-reveal { to { opacity: 1; } }
@keyframes alarm-loading-pulse { to { opacity: 0.45; } }
@media (prefers-reduced-motion: reduce) {
  .alarm-history-loading { animation-duration: 0s; }
  .alarm-loading-card span { animation: none; }
}