/* ==========================================================================
   BrightAI Design System - Skeleton Loading Component (Premium Shimmer)
   ========================================================================== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-200) 25%,
    var(--gray-100) 50%,
    var(--gray-200) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite linear;
  border-radius: var(--radius-sm);
  display: inline-block;
  vertical-align: middle;
  pointer-events: none;
}

[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-200) 25%,
    var(--gray-100) 50%,
    var(--gray-200) 75%
  );
}

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

/* Skeleton shapes */
.skeleton-circle {
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
}

.skeleton-text {
  height: 14px;
  width: 100%;
  margin-bottom: var(--spacing-sm);
}

.skeleton-text-lg {
  height: 20px;
  width: 100%;
}

.skeleton-text-sm {
  height: 10px;
  width: 100%;
}

/* Skeleton layouts for components */
.skeleton-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
}

.skeleton-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.skeleton-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}