/* 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;
}

/* Centered loading bar — shown on first load when there is no auth token
   (user not logged in). Skeleton is reserved for logged-in users. */
.app-loading-center {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    background: #f4f6f9;
    z-index: 1;
}

.app-loading-logo {
    width: 84px;
    height: 84px;
    object-fit: contain;
    animation: app-loading-pulse 1.6s ease-in-out infinite;
    filter: drop-shadow(0 6px 16px rgba(40, 167, 69, 0.25));
}

.app-loading-bar {
    position: relative;
    width: 240px;
    max-width: 60vw;
    height: 5px;
    border-radius: 999px;
    overflow: hidden;
    background: #d7f5e6;
}

.app-loading-bar::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 40%;
    border-radius: 999px;
    background: linear-gradient(90deg, #28a745, #20c997);
    animation: app-loading-indeterminate 1.2s ease-in-out infinite;
}

@keyframes app-loading-indeterminate {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(150%); }
    100% { transform: translateX(310%); }
}

@keyframes app-loading-pulse {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.08); opacity: 1; }
}