/* Initial shell + authorizing skeleton (AdminLTE-like layout) */
.app-skeleton-shell {
    min-height: 100vh;
    background: #f4f6f9;
    display: grid;
    grid-template-columns: 250px 1fr;
    grid-template-rows: 57px 1fr;
    grid-template-areas:
        "navbar navbar"
        "sidebar content";
}

.app-skeleton-navbar {
    grid-area: navbar;
    background: #343a40;
    animation: app-sk-pulse 1.2s ease-in-out infinite;
}

.app-skeleton-sidebar {
    grid-area: sidebar;
    background: #212529;
    padding: 12px;
}

.app-skeleton-sidebar-brand {
    height: 40px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.app-skeleton-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.app-skeleton-menu-row {
    height: 14px;
    border-radius: 4px;
    opacity: 0.85;
}

.app-skeleton-content {
    grid-area: content;
    padding: 20px 24px;
}

.app-skeleton-title {
    height: 28px;
    max-width: 320px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.app-skeleton-line {
    height: 14px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.app-skeleton-line.short {
    max-width: 55%;
}

.app-skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.app-skeleton-card {
    height: 96px;
    border-radius: 8px;
}

.app-skeleton-shimmer {
    position: relative;
    overflow: hidden;
    background: #e2e6ea;
}

.app-skeleton-sidebar .app-skeleton-shimmer {
    background: rgba(255, 255, 255, 0.12);
}

.app-skeleton-shimmer::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
    animation: app-sk-shimmer 1.3s infinite;
}

.app-skeleton-sidebar .app-skeleton-shimmer::after {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

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

@keyframes app-sk-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.82; }
}

#app .loader-init-container {
    display: none;
}