/**
 * Vendas+ Skeleton Loader Styles
 * Modern shimmering effect for better UX during data fetching
 */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-100) 25%,
    var(--gray-200) 50%,
    var(--gray-100) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite linear;
  border-radius: var(--radius-sm);
  display: block;
}

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

/* Card Skeleton */
.skeleton-card {
  height: 140px;
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  background: var(--surface-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.skeleton-label { height: 12px; width: 40%; }
.skeleton-value { height: 32px; width: 70%; }
.skeleton-sub   { height: 10px; width: 30%; }

/* Chart Skeleton */
.skeleton-chart {
  height: 350px;
  width: 100%;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 20px;
  background: var(--surface-card);
  border: 1px solid var(--border-light);
}

.skeleton-bar {
  flex: 1;
  background: var(--gray-100);
  border-radius: 4px 4px 0 0;
}

/* Table Skeleton */
.skeleton-table {
  width: 100%;
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.skeleton-tr {
  display: flex;
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  gap: 16px;
}

.skeleton-td { height: 16px; flex: 1; }

/* Micro-interactions: entrance animations */
.animate-in {
  animation: slideUpFade 0.6s var(--ease-out) both;
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger indices for children */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }