:root {
    --app-shell-panel-border: rgba(255, 255, 255, 0.08);
    --app-shell-panel-border-strong: rgba(126, 111, 255, 0.24);
    --app-shell-panel-surface: rgba(31, 31, 45, 0.96);
    --app-shell-panel-surface-soft: rgba(26, 26, 39, 0.92);
    --app-shell-shadow: 0 24px 60px rgba(6, 9, 20, 0.34);
}

.app-main-content {
    overflow-x: hidden;
}

.app-page-shell {
    min-height: calc(100vh - 64px);
    padding: 0.75rem 0 2.5rem;
}

.app-page-shell .mud-container {
    position: relative;
    z-index: 1;
}

.app-page-shell .app-page-header,
.app-page-shell .app-page-panel,
.app-page-shell .mud-paper,
.app-page-shell .mud-card,
.app-page-shell .mud-tabs-toolbar,
.app-page-shell .mud-tabs-panels,
.app-page-shell .mud-data-grid {
    backdrop-filter: blur(18px);
}

.app-page-shell .app-page-header {
    padding: clamp(1.25rem, 2vw, 1.75rem);
    border: 1px solid var(--app-shell-panel-border-strong);
    border-radius: 28px;
    background: rgba(34, 34, 49, 0.98);
    box-shadow: var(--app-shell-shadow);
}

.app-page-shell .app-page-panel,
.app-page-shell .mud-paper,
.app-page-shell .mud-card,
.app-page-shell .mud-tabs-toolbar,
.app-page-shell .mud-tabs-panels,
.app-page-shell .mud-data-grid {
    border: 1px solid var(--app-shell-panel-border);
    border-radius: 24px;
    background: var(--app-shell-panel-surface);
    box-shadow: var(--app-shell-shadow);
}

.app-page-shell .mud-tabs-toolbar {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.app-page-shell .mud-tabs-panels {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.app-page-shell .mud-table-container,
.app-page-shell .mud-data-grid {
    border-radius: 22px;
    overflow: hidden;
}

.app-page-shell .mud-table-head .mud-table-cell,
.app-page-shell .mud-table-sort-label,
.app-page-shell .mud-table-cell[data-label]::before,
.app-page-shell .mud-table-root .mud-table-cell[data-label]::before {
    color: var(--mud-palette-text-secondary);
}

.app-page-shell .mud-table-head {
    background: rgba(126, 111, 255, 0.12);
}

.app-page-shell .mud-table-root .mud-table-cell,
.app-page-shell .mud-data-grid-cell,
.app-page-shell .mud-data-grid-header-cell {
    border-bottom-color: rgba(255, 255, 255, 0.06);
}

.app-page-shell .mud-table-body .mud-table-row:hover,
.app-page-shell .mud-data-grid-row:hover {
    background: rgba(126, 111, 255, 0.08);
}

.app-page-shell .mud-chip {
    font-weight: 600;
}

.app-page-shell .app-page-subtitle {
    max-width: 48rem;
    color: rgba(178, 176, 191, 0.82);
}

.app-page-shell .app-stat-card {
    height: 100%;
}

.app-page-shell .app-stat-value {
    font-size: clamp(2.25rem, 5vw, 4rem);
    line-height: 1;
    font-weight: 700;
}

.app-page-shell .app-empty-state {
    padding: 2.75rem 2rem;
    text-align: center;
}

.app-page-shell .app-section-title {
    margin-bottom: 0.25rem;
}

.app-page-shell .app-data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.app-page-shell .app-data-table thead th {
    padding: 0.9rem 1rem;
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary);
    background: rgba(126, 111, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.app-page-shell .app-data-table tbody td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    vertical-align: top;
}

.app-page-shell .app-data-table tbody tr:last-child td {
    border-bottom: none;
}

.app-page-shell .app-data-table tbody tr:hover {
    background: rgba(126, 111, 255, 0.06);
}

.app-page-shell .app-surface-muted {
    background: var(--app-shell-panel-surface-soft);
}

.app-page-shell .app-table-wrap {
    overflow-x: auto;
}

.app-topbar {
    border-bottom: 1px solid var(--app-shell-panel-border);
    background: rgba(31, 31, 45, 0.94) !important;
    backdrop-filter: blur(18px);
    box-shadow: 0 18px 38px rgba(6, 9, 20, 0.24);
}

.app-side-drawer {
    border-right: 1px solid var(--app-shell-panel-border);
    background: rgba(26, 26, 39, 0.98) !important;
}

.app-nav-menu {
    height: 100%;
    background: transparent;
}

.app-nav-stack {
    gap: 0.35rem;
}

.app-nav-menu .mud-nav-link,
.app-nav-menu .mud-nav-group .mud-nav-link {
    margin: 0;
    padding: 0.75rem 0.9rem;
    border-radius: 18px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.app-nav-menu .mud-nav-link:hover,
.app-nav-menu .mud-nav-group .mud-nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
}

.app-nav-menu .mud-nav-link.active,
.app-nav-menu .mud-nav-group .mud-nav-link.active {
    color: var(--mud-palette-primary);
    background: rgba(126, 111, 255, 0.12);
}

.app-nav-menu .mud-nav-group {
    margin-top: 0.35rem;
    border-radius: 18px;
    overflow: hidden;
}

.app-nav-menu .mud-nav-group .mud-nav-link {
    margin-top: 0.15rem;
}

@media (max-width: 959.95px) {
    .app-page-shell {
        padding-top: 0.25rem;
    }

    .app-page-shell .app-page-header {
        border-radius: 24px;
    }

    .app-page-shell .mud-paper,
    .app-page-shell .mud-card,
    .app-page-shell .mud-tabs-toolbar,
    .app-page-shell .mud-tabs-panels,
    .app-page-shell .mud-data-grid {
        border-radius: 20px;
    }
}