/* SiteSync AJAX loading states, skeletons, and transitions */

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

@keyframes ss-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

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

@keyframes ss-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.ss-loading-wrap {
  position: relative;
  min-height: 3rem;
}

.ss-loading-wrap.is-loading {
  pointer-events: none;
}

.ss-loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.65rem;
  background: rgba(var(--bs-body-bg-rgb, 255, 255, 255), 0.82);
  backdrop-filter: blur(2px);
  z-index: 5;
  border-radius: inherit;
  animation: ss-fade-in 0.2s ease;
}

[data-bs-theme="dark"] .ss-loading-overlay {
  background: rgba(15, 23, 42, 0.78);
}

.ss-spinner {
  width: 2.25rem;
  height: 2.25rem;
  border: 3px solid rgba(102, 126, 234, 0.2);
  border-top-color: #667eea;
  border-radius: 50%;
  animation: ss-spin 0.75s linear infinite;
}

.ss-spinner-sm {
  width: 1.25rem;
  height: 1.25rem;
  border-width: 2px;
}

.ss-spinner-lg {
  width: 3rem;
  height: 3rem;
  border-width: 4px;
}

.ss-loading-text {
  font-size: 0.875rem;
  color: var(--bs-secondary-color);
  animation: ss-pulse 1.4s ease-in-out infinite;
}

.ss-inline-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--bs-secondary-color);
  font-size: 0.875rem;
}

.ss-skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: ss-shimmer 1.4s ease-in-out infinite;
  border-radius: 8px;
}

[data-bs-theme="dark"] .ss-skeleton {
  background: linear-gradient(90deg, #1e293b 25%, #334155 50%, #1e293b 75%);
  background-size: 200% 100%;
}

.ss-skeleton-text {
  height: 0.875rem;
  margin-bottom: 0.5rem;
}

.ss-skeleton-text:last-child {
  width: 70%;
  margin-bottom: 0;
}

.ss-skeleton-card {
  height: 120px;
  border-radius: 12px;
}

.ss-skeleton-stat {
  height: 2.5rem;
  width: 60%;
  margin: 0 auto 0.5rem;
}

.ss-skeleton-row {
  height: 2.75rem;
  margin-bottom: 0.5rem;
}

.ss-fade-in {
  animation: ss-fade-in 0.35s ease forwards;
}

.ss-btn-loading {
  position: relative;
  pointer-events: none;
}

.ss-btn-loading .ss-btn-label {
  visibility: hidden;
}

.ss-btn-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ss-spin 0.65s linear infinite;
}

.ss-status-grid-loading .ss-skeleton-card {
  min-height: 130px;
}

.ss-empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--bs-secondary-color);
}

.ss-empty-state i {
  font-size: 2.5rem;
  opacity: 0.45;
  display: block;
  margin-bottom: 0.75rem;
}