/* Skeleton-loading primitives — shimmer animation, content-shaped placeholders.
   Linked globally from App.razor so every authenticated page can render a
   skeleton while DeferredPageBase loads data. CSS-only; respects
   prefers-reduced-motion. */

:root {
    --skeleton-bg: rgba(0, 0, 0, 0.06);
    --skeleton-shimmer: rgba(255, 255, 255, 0.5);
    --skeleton-radius: 0.375rem;
}

[data-theme="dark"] {
    --skeleton-bg: rgba(255, 255, 255, 0.08);
    --skeleton-shimmer: rgba(255, 255, 255, 0.12);
}

.skeleton-block,
.skeleton-line,
.skeleton-circle {
    position: relative;
    overflow: hidden;
    background-color: var(--skeleton-bg);
    border-radius: var(--skeleton-radius);
}

.skeleton-block::after,
.skeleton-line::after,
.skeleton-circle::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: linear-gradient(
        90deg,
        transparent 0%,
        var(--skeleton-shimmer) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
}

.skeleton-line {
    height: 0.9rem;
    width: 100%;
    margin-bottom: 0.5rem;
}

.skeleton-line.skeleton-line-sm { height: 0.7rem; }
.skeleton-line.skeleton-line-lg { height: 1.25rem; }

.skeleton-circle {
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
}

@keyframes skeleton-shimmer {
    100% { transform: translateX(100%); }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton-block::after,
    .skeleton-line::after,
    .skeleton-circle::after {
        animation: none;
        background-image: none;
    }
}

/* TableSkeleton — table cell placeholders. */
.skeleton-table {
    width: 100%;
    border-collapse: collapse;
}

.skeleton-table th,
.skeleton-table td {
    padding: 0.5rem 0.75rem;
    border-top: 1px solid var(--skeleton-bg);
}

.skeleton-table thead th {
    border-top: 0;
    border-bottom: 1px solid var(--skeleton-bg);
}

/* CardSkeleton — variant-specific shapes. */
.skeleton-card {
    border: 0;
    border-radius: 0.5rem;
    background-color: var(--bs-body-bg, #fff);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    padding: 1rem;
    height: 100%;
}

.skeleton-card-kpi { text-align: center; min-height: 96px; }
.skeleton-card-tile { min-height: 140px; }
.skeleton-card-media { min-height: 220px; }