/* LIMS 공통 — 목록·영역 로딩 / 갱신 애니메이션 (LimsUtils.ui.loader) */

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

@keyframes lims-loader-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@keyframes lims-loader-fade-up {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes lims-loader-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 테이블 영역 — 스켈레톤 */
.lims-skeleton-tbody .lims-skeleton-row td {
  padding: 0.55rem 0.5rem !important;
  vertical-align: middle;
}

.lims-skeleton-bar {
  display: block;
  height: 0.72rem;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(var(--bs-secondary-rgb), 0.08) 0%,
    rgba(var(--bs-secondary-rgb), 0.18) 45%,
    rgba(var(--bs-secondary-rgb), 0.08) 90%
  );
  background-size: 200% 100%;
  animation: lims-loader-shimmer 1.35s ease-in-out infinite;
}

.lims-skeleton-bar--sm {
  height: 0.55rem;
  max-width: 55%;
}

.lims-skeleton-bar--md {
  max-width: 78%;
}

.lims-skeleton-bar--lg {
  max-width: 92%;
}

/* tbody 단위 오버레이 로딩 */
tbody.lims-zone-loading {
  position: relative;
  pointer-events: none;
}

tbody.lims-zone-loading > tr {
  opacity: 0.45;
  filter: grayscale(0.15);
}

tbody.lims-zone-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(var(--bs-body-bg-rgb, 255, 255, 255), 0.55);
  backdrop-filter: blur(2px);
}

tbody.lims-zone-loading::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  width: 1.75rem;
  height: 1.75rem;
  margin: -0.875rem 0 0 -0.875rem;
  border: 2px solid rgba(var(--bs-primary-rgb), 0.2);
  border-top-color: var(--bs-primary);
  border-radius: 50%;
  animation: lims-loader-spin 0.7s linear infinite;
}

/* 검색·목록 패널 인라인 로더 */
.lims-inline-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 2rem 1rem;
  min-height: 7rem;
}

.lims-inline-loader__ring {
  width: 2rem;
  height: 2rem;
  border: 2px solid rgba(var(--bs-primary-rgb), 0.15);
  border-top-color: var(--bs-primary);
  border-radius: 50%;
  animation: lims-loader-spin 0.7s linear infinite;
}

.lims-inline-loader__text {
  font-size: 0.8125rem;
  color: var(--bs-secondary-color);
  letter-spacing: 0.02em;
}

/* 갱신 후 등장 */
.lims-reveal-zone {
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 0.38s ease,
    transform 0.38s ease;
}

.lims-reveal-zone.is-revealed {
  opacity: 1;
  transform: none;
}

.lims-reveal-zone.is-revealed .preset-pick-item {
  animation: lims-loader-fade-up 0.42s ease backwards;
}

.lims-reveal-zone.is-revealed .preset-pick-item:nth-child(1) {
  animation-delay: 0.03s;
}
.lims-reveal-zone.is-revealed .preset-pick-item:nth-child(2) {
  animation-delay: 0.06s;
}
.lims-reveal-zone.is-revealed .preset-pick-item:nth-child(3) {
  animation-delay: 0.09s;
}
.lims-reveal-zone.is-revealed .preset-pick-item:nth-child(4) {
  animation-delay: 0.12s;
}
.lims-reveal-zone.is-revealed .preset-pick-item:nth-child(n + 5) {
  animation-delay: 0.15s;
}

.lims-reveal-zone.is-revealed tr {
  animation: lims-loader-fade-up 0.4s ease backwards;
}

.lims-reveal-zone.is-revealed tr:nth-child(1) {
  animation-delay: 0.02s;
}
.lims-reveal-zone.is-revealed tr:nth-child(2) {
  animation-delay: 0.05s;
}
.lims-reveal-zone.is-revealed tr:nth-child(3) {
  animation-delay: 0.08s;
}
.lims-reveal-zone.is-revealed tr:nth-child(n + 4) {
  animation-delay: 0.11s;
}

/* 전역 오버레이 — API·저장 대기 (LimsUtils.ui.loader.overlay / miniLoader) */
.lims-page-overlay {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--bs-body-bg-rgb, 255, 255, 255), 0.72);
  backdrop-filter: blur(2px);
}

.lims-page-overlay__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-radius: 0.75rem;
  background: var(--bs-body-bg, #fff);
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
  max-width: min(90vw, 22rem);
  text-align: center;
}

.lims-page-overlay__ring {
  width: 2.25rem;
  height: 2.25rem;
  border: 2px solid rgba(var(--bs-primary-rgb), 0.15);
  border-top-color: var(--bs-primary);
  border-radius: 50%;
  animation: lims-loader-spin 0.7s linear infinite;
}

.lims-page-overlay__text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--bs-secondary-color);
  line-height: 1.45;
}

@media (prefers-reduced-motion: reduce) {
  .lims-skeleton-bar,
  .lims-inline-loader__ring,
  .lims-page-overlay__ring,
  tbody.lims-zone-loading::before,
  .lims-reveal-zone,
  .lims-reveal-zone.is-revealed .preset-pick-item,
  .lims-reveal-zone.is-revealed tr {
    animation: none !important;
    transition: none !important;
  }

  .lims-reveal-zone {
    opacity: 1;
    transform: none;
  }
}