:root {
    --admin-bg: var(--rtu-color-background);
    --admin-surface: var(--rtu-color-surface);
    --admin-border: var(--rtu-color-border);
    --admin-text: var(--rtu-color-text);
    --admin-muted: var(--rtu-color-text-muted);
    --admin-brand: var(--rtu-color-primary);
    --admin-brand-2: var(--rtu-color-primary-strong);
    --admin-brand-3: var(--rtu-color-focus);
    --admin-radius-lg: var(--rtu-radius-lg);
    --admin-radius-md: var(--rtu-radius-md);
}

.mud-theme-dark {
    color-scheme: dark;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "Inter", "Segoe UI", sans-serif;
    font-size: 16px;
    color: var(--admin-text);
    background: var(--rtu-color-background);
}

.startup-loader__retry {
    min-height: var(--rtu-touch-target-min);
    margin-top: var(--rtu-space-2);
    padding: var(--rtu-space-2) var(--rtu-space-4);
    border: 1px solid rgba(111, 251, 255, 0.34);
    border-radius: var(--rtu-radius-md);
    color: var(--rtu-brand-text);
    background: rgba(255, 255, 255, 0.06);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.startup-loader__retry:hover {
    background: rgba(111, 251, 255, 0.12);
}

.startup-loader__retry[hidden] {
    display: none;
}

.startup-loader--failed .startup-loader__ring,
.startup-loader--failed .startup-loader__logo {
    animation-play-state: paused;
}

#app,
.admin-shell {
    min-height: 100vh;
}

.admin-shell {
    --admin-appbar-height: var(--rtu-appbar-height);
    --admin-shell-padding-x: var(--rtu-space-6);
    --admin-shell-padding-y: var(--rtu-space-6);
    background: var(--rtu-color-background);
}

.admin-skip-link {
    position: fixed;
    z-index: 1600;
    top: var(--rtu-space-2);
    left: var(--rtu-space-2);
    padding: var(--rtu-space-2) var(--rtu-space-4);
    border: 1px solid var(--rtu-color-primary);
    border-radius: var(--rtu-radius-md);
    color: var(--rtu-color-on-primary);
    background: var(--rtu-color-primary);
    font-weight: 700;
    text-decoration: none;
    transform: translateY(calc(-100% - var(--rtu-space-4)));
    transition: transform 140ms ease;
}

.admin-skip-link:focus,
.admin-skip-link:focus-visible {
    transform: translateY(0);
}

.admin-appbar {
    height: var(--admin-appbar-height);
    padding-inline: 20px !important;
    border-bottom: 1px solid var(--rtu-color-border) !important;
    color: var(--rtu-color-text) !important;
    background: color-mix(in srgb, var(--rtu-color-surface) 94%, transparent) !important;
    backdrop-filter: blur(18px);
}

.admin-appbar__row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    flex-wrap: nowrap;
}

.admin-appbar__spacer {
    flex: 1 1 auto;
    min-width: 1rem;
}

.admin-appbar__brand {
    display: flex;
    align-items: center;
    min-width: 0;
}

.admin-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--rtu-space-3);
    min-width: 0;
    color: var(--rtu-color-text);
    text-decoration: none;
}

.admin-brand .rtu-brand-mark {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 11px;
    object-fit: contain;
    flex: 0 0 auto;
    box-shadow: 0 10px 24px color-mix(in srgb, var(--rtu-color-primary) 14%, transparent);
}

.admin-brand .rtu-brand-logo__copy {
    display: grid;
    gap: 0.1rem;
    min-width: 0;
}

.admin-brand .rtu-brand-logo__copy strong {
    overflow: hidden;
    color: var(--rtu-color-text);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.015em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-brand .rtu-brand-logo__copy small {
    color: var(--rtu-color-text-muted);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.admin-appbar-avatar {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    flex: 0 0 42px;
    border: 1px solid color-mix(in srgb, var(--rtu-color-primary) 38%, transparent);
    border-radius: 50%;
    color: var(--rtu-color-on-primary);
    background: linear-gradient(140deg, var(--rtu-color-primary), var(--rtu-color-primary-strong));
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.admin-logout {
    font-weight: 700;
}

.admin-appbar .rtu-theme-trigger {
    width: 42px;
    height: 42px;
    min-width: 42px;
    min-height: 42px;
    padding: 0;
    border: 1px solid var(--rtu-color-border);
    border-radius: 11px;
    color: var(--rtu-color-text-muted) !important;
}

.admin-appbar .rtu-theme-trigger--labelled {
    width: auto;
    min-width: 126px;
    padding-inline: 12px;
}

.admin-drawer {
    border-right: 1px solid var(--rtu-color-border) !important;
    color: var(--rtu-color-text) !important;
    background: var(--rtu-color-surface-subtle) !important;
}

.admin-shell.admin-navigation--rail .admin-drawer {
    width: 72px !important;
    max-width: 72px !important;
}

.admin-shell.admin-navigation--compact .admin-drawer {
    width: 224px !important;
    max-width: 224px !important;
}

.admin-shell.admin-navigation--wide .admin-drawer {
    width: var(--rtu-drawer-width-wide) !important;
    max-width: var(--rtu-drawer-width-wide) !important;
}

.admin-shell.admin-navigation--temporary .admin-drawer,
.admin-shell.admin-navigation--mobile .admin-drawer {
    width: min(92vw, 292px) !important;
    max-width: min(92vw, 292px) !important;
}

.admin-drawer .mud-drawer-content {
    display: flex;
    min-height: 0;
    overflow: hidden;
}

.admin-navigation {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-width: 0;
    min-height: 100%;
    color: var(--rtu-color-text);
}

.admin-nav-hero {
    flex: 0 0 auto;
    margin: var(--rtu-space-3);
    padding: var(--rtu-space-3);
    border: 1px solid var(--rtu-color-border);
    border-radius: var(--rtu-radius-lg);
    background: var(--rtu-color-surface);
}

.admin-nav-brand {
    color: var(--rtu-color-text);
    text-decoration: none;
}

.admin-nav-brand .rtu-brand-mark {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 10px;
}

.admin-nav-brand .rtu-brand-logo__copy strong {
    color: var(--rtu-color-text);
    font-size: 0.92rem;
    font-weight: 800;
}

.admin-nav-brand .rtu-brand-logo__copy small {
    color: var(--rtu-color-text-muted);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.admin-nav-hero__text {
    margin: var(--rtu-space-2) 0 0;
    color: var(--rtu-color-text-muted);
    font-size: 0.76rem;
    line-height: 1.35;
}

.admin-nav-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
}

.admin-nav-menu {
    padding: 0 var(--rtu-space-2) var(--rtu-space-3);
}

.admin-nav-group + .admin-nav-group {
    margin-top: var(--rtu-space-4);
}

.admin-nav-section {
    margin: 0 var(--rtu-space-3) var(--rtu-space-1);
    color: var(--rtu-color-text-muted);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
}

.admin-nav-menu .mud-nav-link {
    min-height: var(--rtu-touch-target-min);
    margin: 2px 0;
    padding: var(--rtu-space-2) var(--rtu-space-3);
    border-radius: var(--rtu-radius-md);
    color: var(--rtu-color-text-muted);
    font-size: 0.88rem;
    font-weight: 650;
    transition: color 140ms ease, background-color 140ms ease;
}

.admin-nav-menu .mud-nav-link:hover {
    color: var(--rtu-color-text);
    background: color-mix(in srgb, var(--rtu-color-surface) 86%, var(--rtu-color-primary) 14%);
}

.admin-nav-menu .mud-nav-link.active {
    color: var(--rtu-color-primary);
    background: color-mix(in srgb, var(--rtu-color-surface) 82%, var(--rtu-color-primary) 18%);
}

.admin-nav-menu .mud-nav-link .mud-nav-link-icon {
    color: currentColor;
}

.admin-nav-footer {
    flex: 0 0 auto;
    padding: var(--rtu-space-2);
    border-top: 1px solid var(--rtu-color-border);
    background: var(--rtu-color-surface-subtle);
}

.admin-nav-footer .admin-nav-chip {
    display: flex;
    width: calc(100% - (2 * var(--rtu-space-2)));
    margin: 0 var(--rtu-space-2) var(--rtu-space-2);
    justify-content: center;
}

.admin-nav-menu--footer {
    padding-bottom: 0;
}

.admin-navigation--rail .admin-nav-hero {
    margin-inline: var(--rtu-space-2);
    padding-inline: var(--rtu-space-2);
}

.admin-navigation--rail .admin-nav-brand {
    justify-content: center;
}

.admin-navigation--rail :where(.rtu-brand-logo__copy, .admin-nav-hero__text, .admin-nav-section) {
    display: none;
}

.admin-navigation--rail .admin-nav-label {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.admin-navigation--rail .admin-nav-menu {
    padding-inline: var(--rtu-space-1);
}

.admin-navigation--rail .admin-nav-group + .admin-nav-group {
    margin-top: var(--rtu-space-2);
}

.admin-navigation--rail .admin-nav-menu .mud-nav-link {
    justify-content: center;
    padding-inline: var(--rtu-space-2);
}

.admin-navigation--rail .admin-nav-menu .mud-nav-link-icon {
    margin-inline: 0;
}

.admin-navigation--rail .admin-nav-footer {
    padding-inline: var(--rtu-space-1);
}

.admin-mobile-bottom-surface {
    display: none;
}

.admin-shell--phone .admin-mobile-bottom-surface {
    position: fixed;
    z-index: 1300;
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    padding-bottom: env(safe-area-inset-bottom);
    border-top: 1px solid var(--rtu-color-border);
    background: color-mix(in srgb, var(--rtu-color-surface) 96%, transparent) !important;
    box-shadow: var(--rtu-elevation-popover);
    backdrop-filter: blur(16px);
}

.admin-mobile-bottom-nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    min-height: 4.75rem;
    padding: var(--rtu-space-1);
}

.admin-mobile-nav-item {
    display: flex;
    min-width: 0;
    min-height: var(--rtu-touch-target-min);
    padding: var(--rtu-space-1) 2px;
    border: 0;
    border-radius: var(--rtu-radius-md);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2px;
    color: var(--rtu-color-text-muted);
    background: transparent;
    font: inherit;
    font-size: 0.62rem;
    font-weight: 700;
    line-height: 1.05;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
}

.admin-mobile-nav-item span:last-child {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.admin-mobile-nav-badge .mud-badge {
    min-width: 1.1rem;
    height: 1.1rem;
    padding-inline: 0.25rem;
    font-size: 0.62rem;
}

.admin-mobile-nav-item:hover,
.admin-mobile-nav-item.active,
.admin-mobile-nav-more[aria-expanded="true"] {
    color: var(--rtu-color-primary);
    background: color-mix(in srgb, var(--rtu-color-surface) 82%, var(--rtu-color-primary) 18%);
}

.admin-shell--phone .admin-page-frame {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
}

.admin-shell--phone .admin-footer {
    display: none;
}

.admin-shell--phone .admin-brand .rtu-brand-logo__copy,
.admin-shell--phone .admin-desktop-account-action {
    display: none !important;
}

.admin-shell--phone .admin-appbar .rtu-theme-trigger--labelled {
    width: 42px;
    min-width: 42px;
    padding-inline: 0;
    font-size: 0;
}

.mud-dialog {
    min-width: min(28rem, calc(100vw - var(--rtu-space-4) - var(--rtu-space-4)));
    max-width: min(52rem, calc(100vw - var(--rtu-space-4) - var(--rtu-space-4))) !important;
    max-height: calc(100dvh - var(--rtu-space-4) - var(--rtu-space-4));
    overflow: hidden;
    border: 1px solid var(--rtu-color-border);
    border-radius: var(--rtu-radius-panel) !important;
    background: var(--rtu-color-surface);
    box-shadow: var(--rtu-elevation-dialog);
}

.mud-dialog .mud-dialog-content {
    max-height: calc(100dvh - 9rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

body.rtu-body--phone .mud-dialog {
    width: calc(100vw - var(--rtu-space-2) - var(--rtu-space-2) - var(--rtu-safe-left) - var(--rtu-safe-right));
    min-width: 0;
    max-width: calc(100vw - var(--rtu-space-2) - var(--rtu-space-2) - var(--rtu-safe-left) - var(--rtu-safe-right)) !important;
    max-height: calc(100dvh - var(--rtu-space-2) - var(--rtu-space-2) - var(--rtu-safe-top) - var(--rtu-safe-bottom));
    margin: calc(var(--rtu-space-2) + var(--rtu-safe-top)) calc(var(--rtu-space-2) + var(--rtu-safe-right)) calc(var(--rtu-space-2) + var(--rtu-safe-bottom)) calc(var(--rtu-space-2) + var(--rtu-safe-left));
}

body.rtu-body--phone .mud-dialog .mud-dialog-content {
    max-height: calc(100dvh - 8rem - var(--rtu-safe-top) - var(--rtu-safe-bottom));
}

.admin-shell .admin-content {
    min-height: calc(100vh - var(--admin-appbar-height));
    padding: 0;
    background: var(--rtu-color-background) !important;
}

.admin-page-frame {
    width: 100%;
    max-width: 1980px;
    margin: 0 auto;
    padding: var(--admin-shell-padding-y) var(--admin-shell-padding-x) 5rem;
}

.admin-page-frame:focus {
    outline: none;
}

.admin-page-header {
    border-radius: var(--admin-radius-md);
    border: 1px solid var(--admin-border);
    background: linear-gradient(130deg, rgba(21, 70, 201, 0.08), rgba(47, 121, 255, 0.03) 65%, rgba(217, 28, 38, 0.05));
}

.admin-module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 18px;
}

.admin-module-card {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md);
    padding: 1.25rem;
    background: var(--admin-surface);
    min-height: 210px;
}

.admin-page-intro {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.admin-transitional-banner {
    border-color: rgba(21, 70, 201, 0.22) !important;
    background: linear-gradient(130deg, rgba(21, 70, 201, 0.08), rgba(47, 121, 255, 0.03) 70%, rgba(217, 28, 38, 0.04));
}

.admin-table-shell {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 16px;
}

.admin-table-shell .mud-simple-table {
    min-width: 760px;
}

.admin-map-page {
    gap: 1rem;
}

.admin-map-toolbar {
    border-radius: var(--admin-radius-md);
    border: 1px solid var(--admin-border);
    background: var(--admin-surface);
}

.admin-map-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.8fr) minmax(300px, 1fr);
    gap: 1rem;
    align-items: start;
}

.admin-map-panel,
.admin-map-panel--tall {
    border-radius: var(--admin-radius-md);
    border: 1px solid var(--admin-border);
    background: var(--admin-surface);
}

.admin-map-panel--tall {
    min-height: 34rem;
}

.admin-map-canvas {
    min-height: 36rem;
    height: 72vh;
    overflow: hidden;
}

.admin-map-canvas .leaflet-container {
    height: 100%;
    min-height: 36rem;
    border-radius: var(--admin-radius-md);
    overflow: hidden;
}

.admin-map-fleet-list,
.admin-map-device-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 32rem;
    overflow: auto;
    padding-right: 0.25rem;
}

.admin-map-card,
.admin-map-cluster-card,
.admin-map-device-card {
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    background: var(--admin-surface);
}

.admin-map-selected {
    box-shadow: inset 0 0 0 2px rgba(21, 70, 201, 0.28);
}

.admin-map-live-feed {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-map-live-item {
    border-left: 4px solid rgba(21, 70, 201, 0.35);
    padding-left: 0.75rem;
}

.admin-map-live-item--important {
    border-left-color: rgba(220, 53, 69, 0.6);
}

.admin-kpi {
    border-radius: var(--admin-radius-md);
    border: 1px solid var(--admin-border);
    min-height: 156px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.35rem !important;
}

.admin-kpi .mud-typography-h4 {
    font-size: 2.45rem;
    line-height: 2.7rem;
    font-weight: 800;
}

.admin-integration-card {
    border-color: rgba(44, 98, 172, 0.16);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.05);
}

.support-ticket-item {
    border-radius: var(--admin-radius-md);
    border: 1px solid var(--admin-border);
    padding: 1rem;
    cursor: pointer;
    background: var(--admin-surface);
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.support-ticket-item:hover {
    border-color: rgba(31, 93, 255, 0.35);
    box-shadow: 0 14px 30px rgba(17, 55, 117, 0.08);
    transform: translateY(-1px);
}

.support-ticket-item--selected {
    border-color: rgba(31, 93, 255, 0.65);
    box-shadow: 0 18px 42px rgba(17, 55, 117, 0.12);
    background: linear-gradient(130deg, rgba(31, 93, 255, 0.07), rgba(58, 139, 255, 0.03) 70%);
}

.support-ticket-item--risk {
    border-color: rgba(224, 77, 86, 0.3);
}

.support-ticket-item--unassigned {
    border-style: dashed;
}

.support-ticket-item--priority-high {
    box-shadow: inset 0 0 0 1px rgba(255, 152, 0, 0.2);
}

.admin-attention-card {
    border-radius: var(--admin-radius-md);
    border: 1px solid var(--admin-border);
    background: linear-gradient(135deg, rgba(21, 70, 201, 0.04), rgba(47, 121, 255, 0.015));
}

.admin-search-group {
    border-radius: var(--admin-radius-md);
    border: 1px solid var(--admin-border);
    background: var(--admin-surface);
}

.admin-search-group__results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.admin-search-item {
    border-radius: 16px;
    border: 1px solid var(--admin-border);
    background: linear-gradient(135deg, rgba(21, 70, 201, 0.03), rgba(47, 121, 255, 0.015));
}

.admin-detail-panel {
    position: sticky;
    top: 1rem;
}

.admin-page .mud-paper[onclick] {
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.admin-page .mud-paper[onclick]:hover {
    border-color: rgba(31, 93, 255, 0.35);
    box-shadow: 0 14px 30px rgba(17, 55, 117, 0.08);
    transform: translateY(-1px);
}

.admin-page .mud-typography-h4 {
    font-size: 2.5rem;
    line-height: 2.8rem;
}

.admin-page .mud-typography-h6 {
    font-size: 1.28rem;
    line-height: 1.55rem;
    font-weight: 800;
}

.admin-page .mud-typography-body1,
.admin-page .mud-typography-body2 {
    color: var(--admin-muted);
}

.admin-page {
    width: 100%;
    min-width: 0;
    max-width: 100%;
}

.admin-page :where(.mud-table-container, .mud-simple-table) {
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
}

.admin-page .mud-input > input,
.admin-page .mud-input > textarea,
.admin-page .mud-select-input,
.admin-page .mud-input-label-inputcontrol {
    font-size: 1rem;
}

.admin-page .mud-button-root {
    min-height: 44px;
    border-radius: 12px;
    font-weight: 700;
}

.admin-page .mud-table-container,
.admin-page .mud-simple-table {
    font-size: 0.98rem;
}

.admin-page .mud-simple-table {
    width: 100%;
}

.admin-page .mud-simple-table table thead th {
    white-space: nowrap;
    font-size: 0.87rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--admin-muted);
}

.admin-page .mud-simple-table table tbody td {
    vertical-align: top;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}

.admin-nav-chip {
    border-radius: 999px;
}

.admin-footer {
    position: static;
    color: var(--rtu-color-text-muted);
    font-size: 0.83rem;
    font-weight: 600;
    padding: 0 var(--admin-shell-padding-x) 1rem;
    text-align: right;
}

.mud-theme-dark .admin-nav-chip--transitional {
    color: #ffb4b9;
    background: rgba(255, 111, 122, 0.14);
}

.mud-theme-dark .admin-page-header,
.mud-theme-dark .admin-transitional-banner,
.mud-theme-dark .admin-attention-card,
.mud-theme-dark .admin-search-item {
    background: linear-gradient(
            130deg,
            rgba(93, 150, 255, 0.14),
            rgba(14, 30, 56, 0.84) 68%,
            rgba(255, 111, 122, 0.08));
}

.leaflet-bottom.leaflet-right {
    display: none !important;
}