/* ✅ 15 — Skeleton Loading Shimmer */
.skeleton-shimmer {
    background: linear-gradient(90deg, var(--card) 25%, #163860 50%, var(--card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.3s ease-in-out infinite;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }