/*
 * Ewe.Monitoring UI: the shell (sidebar, top bar, footer) and the components. Colours, sizes and type come from
 * tokens.css only. Logical properties everywhere (inline-start / block-end...), so the same rules serve LTR and RTL.
 * Bootstrap is only used for the grid (row / col-*) and a few utilities.
 */

/* ---------- Base ---------- */
html {
    font-size: 16px;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary-strong);
}

h1, h2, h3 {
    color: var(--color-text);
    line-height: var(--leading-tight);
}

:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

.num,
.table-ui,
.kpi-value,
.metric-bar,
.tabular {
    font-variant-numeric: tabular-nums;
}

code,
.ltr {
    direction: ltr;
    unicode-bidi: isolate;
}

.muted {
    color: var(--color-text-muted);
}

.icon {
    inline-size: 1.125em;
    block-size: 1.125em;
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    vertical-align: -0.2em;
}

/* Status colours: one class sets --s (colour) and --s-soft (background) for whatever component carries it. */
.status-healthy { --s: var(--status-healthy); --s-soft: var(--status-healthy-soft); }
.status-warning { --s: var(--status-warning); --s-soft: var(--status-warning-soft); }
.status-critical { --s: var(--status-critical); --s-soft: var(--status-critical-soft); }
.status-unknown { --s: var(--status-unknown); --s-soft: var(--status-unknown-soft); }
.status-maintenance { --s: var(--status-maintenance); --s-soft: var(--status-maintenance-soft); }
.series-1 { --s: var(--chart-1); }
.series-2 { --s: var(--chart-2); }
.series-3 { --s: var(--chart-3); }
.series-4 { --s: var(--chart-4); }
.series-5 { --s: var(--chart-5); }

.skip-link {
    position: absolute;
    inset-inline-start: var(--space-4);
    inset-block-start: -4rem;
    z-index: 100;
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    inset-block-start: var(--space-3);
}

/* ---------- Shell ---------- */
.shell {
    display: flex;
    min-block-size: 100vh;
}

.sidebar {
    position: sticky;
    inset-block-start: 0;
    block-size: 100vh;
    inline-size: var(--sidebar-width);
    flex: none;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: var(--color-surface);
    border-inline-end: 1px solid var(--color-border);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    block-size: var(--topbar-height);
    padding-inline: var(--space-5);
    border-block-end: 1px solid var(--color-border);
    color: var(--color-text);
    font-weight: var(--weight-bold);
    font-size: var(--text-md);
    text-decoration: none;
    flex: none;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    inline-size: 2rem;
    block-size: 2rem;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.sidebar-nav {
    padding-block: var(--space-2) var(--space-6);
}

.nav-section-title {
    margin: 0;
    padding: var(--space-5) var(--space-5) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-text-subtle);
}

:lang(en) .nav-section-title,
:lang(en) .table-ui thead th {
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item-ui {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-inline: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    border-inline-start: 3px solid transparent;
    color: var(--color-text-muted);
    font-weight: var(--weight-medium);
    text-decoration: none;
}

a.nav-item-ui:hover {
    background: var(--color-surface-2);
    color: var(--color-text);
}

.nav-item-ui[aria-current="page"] {
    background: var(--color-primary-soft);
    border-inline-start-color: var(--color-primary);
    color: var(--color-text);
}

.nav-item-ui.is-soon {
    color: var(--color-text-subtle);
    cursor: default;
}

.nav-item-ui .pill {
    margin-inline-start: auto;
}

.shell-main {
    flex: 1;
    min-inline-size: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    position: sticky;
    inset-block-start: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    block-size: var(--topbar-height);
    padding-inline: var(--space-6);
    background: var(--color-bg);
    border-block-end: 1px solid var(--color-border);
}

.topbar-title {
    font-weight: var(--weight-semibold);
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-inline-start: auto;
}

.topbar-actions form {
    margin: 0;
}

.content {
    flex: 1;
    box-sizing: border-box;
    inline-size: 100%;
    max-inline-size: var(--content-max);
    margin-inline: auto;
    padding: var(--space-6);
}

.content:focus {
    outline: none;
}

.footer {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
    padding: var(--space-4) var(--space-6);
    border-block-start: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 30;
    background: var(--overlay);
}

.sidebar-toggle {
    display: none;
}

@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        inset-block: 0;
        inset-inline-start: 0;
        z-index: 40;
        transform: translateX(-100%);
        transition: transform var(--duration-normal) ease;
        box-shadow: var(--shadow-2);
    }

    [dir="rtl"] .sidebar {
        transform: translateX(100%);
    }

    .shell.sidebar-open .sidebar {
        transform: none;
    }

    .sidebar-toggle {
        display: inline-flex;
    }

    .topbar {
        padding-inline: var(--space-3);
    }

    .content {
        padding: var(--space-4);
    }

    .topbar-actions .hide-sm {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar {
        transition: none;
    }
}

/* TV mode (?tv=1): no chrome, larger type, the wall screen shows the content only. */
body.tv .sidebar,
body.tv .topbar,
body.tv .footer {
    display: none;
}

body.tv {
    font-size: var(--text-md);
}

body.tv .content {
    max-inline-size: none;
    padding: var(--space-8);
}

.tv-exit {
    position: fixed;
    inset-block-start: var(--space-3);
    inset-inline-end: var(--space-3);
    z-index: 50;
}

/* ---------- Buttons, pills, menus ---------- */
.btn-ui,
.btn-ghost,
.btn-danger,
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-block-size: 2.25rem;
    padding: 0 var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font: inherit;
    font-weight: var(--weight-medium);
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-ui {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-ui:hover {
    background: var(--color-primary-strong);
}

.btn-ghost {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-ghost:hover,
.icon-btn:hover {
    background: var(--color-surface-2);
    border-color: var(--color-border-strong);
}

.btn-ghost[aria-pressed="true"] {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
}

.btn-danger {
    background: var(--status-critical-soft);
    border-color: var(--status-critical);
    color: var(--status-critical);
}

.btn-sm {
    min-block-size: 2rem;
    padding: 0 var(--space-3);
    font-size: var(--text-sm);
}

.icon-btn {
    min-inline-size: 2.25rem;
    padding: 0 var(--space-2);
    background: transparent;
    color: var(--color-text-muted);
}

.icon-btn:hover {
    color: var(--color-text);
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    padding: 0.15em 0.6em;
    border-radius: var(--radius-pill);
    background: var(--color-surface-3);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    white-space: nowrap;
}

.pill-demo {
    background: var(--status-maintenance-soft);
    color: var(--status-maintenance);
}

.menu {
    position: relative;
}

.menu > summary {
    list-style: none;
}

.menu > summary::-webkit-details-marker {
    display: none;
}

.menu-list {
    position: absolute;
    inset-inline-end: 0;
    inset-block-start: calc(100% + 6px);
    z-index: 50;
    min-inline-size: 13rem;
    padding: var(--space-1);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
}

.menu-header {
    padding: var(--space-2) var(--space-3);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    border-block-end: 1px solid var(--color-border);
    margin-block-end: var(--space-1);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    box-sizing: border-box;
    inline-size: 100%;
    padding: var(--space-2) var(--space-3);
    border: 0;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-text);
    font: inherit;
    text-align: start;
    text-decoration: none;
    cursor: pointer;
}

.menu-item:hover {
    background: var(--color-surface-2);
}

/* ---------- Page ---------- */
.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-block-end: var(--space-6);
}

.page-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-inline-size: 0;
}

.page-title h1 {
    margin: 0;
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
}

.page-subtitle {
    margin: var(--space-1) 0 0;
    color: var(--color-text-muted);
}

.page-icon {
    display: inline-grid;
    place-items: center;
    inline-size: 2.75rem;
    block-size: 2.75rem;
    border-radius: var(--radius-md);
    background: var(--color-primary-soft);
    color: var(--color-primary-strong);
    font-size: var(--text-lg);
}

.page-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

.demo-banner {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-block-end: var(--space-5);
    padding: var(--space-3) var(--space-4);
    border: 1px dashed var(--status-maintenance);
    border-radius: var(--radius-md);
    background: var(--status-maintenance-soft);
    color: var(--color-text);
}

.demo-banner .icon {
    color: var(--status-maintenance);
}

.section-gap {
    margin-block-end: var(--space-6);
}

.panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
    min-inline-size: 0;
}

.panel-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-block-end: 1px solid var(--color-border);
}

.panel-header h2 {
    margin: 0;
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
}

.panel-body {
    padding: var(--space-5);
}

.panel > .data-table {
    border: 0;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.meta-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-6);
    margin: 0;
    color: var(--color-text-muted);
}

.meta-list div {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.meta-list dt {
    font-weight: var(--weight-regular);
}

.meta-list dd {
    margin: 0;
    color: var(--color-text);
    font-weight: var(--weight-medium);
}

.stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* ---------- KPI card ---------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
    gap: var(--space-4);
}

.kpi-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
    color: inherit;
    text-decoration: none;
    overflow: hidden;
}

.kpi-card[class*="status-"] {
    border-inline-start: 3px solid var(--s);
}

a.kpi-card:hover {
    border-color: var(--color-border-strong);
}

a.kpi-card[class*="status-"]:hover {
    border-inline-start-color: var(--s);
}

.kpi-head {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

.kpi-head .status-badge {
    margin-inline-start: auto;
}

.kpi-icon {
    display: inline-grid;
    place-items: center;
    inline-size: 2rem;
    block-size: 2rem;
    border-radius: var(--radius-sm);
    background: var(--color-surface-2);
    color: var(--color-primary-strong);
}

.kpi-value {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    line-height: 1.1;
    color: var(--color-text);
}

.kpi-unit {
    margin-inline-start: var(--space-1);
    font-size: var(--text-md);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
}

.kpi-hint {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.kpi-extra .sparkline {
    inline-size: 100%;
    block-size: 2rem;
}

body.tv .kpi-value {
    font-size: 2.75rem;
}

/* ---------- Status ---------- */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    padding: 0.2em 0.65em;
    border-radius: var(--radius-pill);
    background: var(--s-soft);
    color: var(--s);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    line-height: 1.4;
    white-space: nowrap;
}

.status-badge .icon {
    inline-size: 1.1em;
    block-size: 1.1em;
    vertical-align: 0;
}

.status-dot {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.status-dot .dot {
    flex: none;
    inline-size: 0.625rem;
    block-size: 0.625rem;
    border-radius: 50%;
    background: var(--s);
}

.status-dot.status-warning .dot {
    inline-size: 0.75rem;
    block-size: 0.7rem;
    border-radius: 0;
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.status-dot.status-critical .dot {
    inline-size: 0.55rem;
    block-size: 0.55rem;
    border-radius: 1px;
    transform: rotate(45deg);
}

.status-dot.status-unknown .dot {
    background: transparent;
    box-shadow: inset 0 0 0 2px var(--s);
}

.status-dot.status-maintenance .dot {
    border-radius: 2px;
}

.dot-label {
    color: var(--s);
    font-weight: var(--weight-semibold);
}

/* ---------- Metric bar & sparkline ---------- */
.metric-bar {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-inline-size: 7rem;
}

.mb-head {
    display: flex;
    justify-content: space-between;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.mb-value {
    display: inline-flex;
    align-items: center;
    gap: 0.25em;
    color: var(--color-text);
    font-weight: var(--weight-semibold);
}

.metric-bar.status-warning .mb-value,
.metric-bar.status-critical .mb-value {
    color: var(--s);
}

.mb-track {
    display: block;
    inline-size: 100%;
    block-size: 6px;
    border-radius: var(--radius-pill);
    overflow: hidden;
}

[dir="rtl"] .mb-track {
    transform: scaleX(-1);
}

.mb-bg {
    fill: var(--color-surface-3);
}

.mb-fill {
    fill: var(--s);
}

.sparkline {
    display: block;
    inline-size: 6rem;
    block-size: 1.75rem;
    overflow: visible;
}

.sparkline polyline {
    fill: none;
    stroke: var(--s, var(--chart-1));
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---------- Charts (ApexCharts; its own stylesheet is lib/apexcharts/apexcharts.css) ---------- */
.chart-figure {
    margin: 0;
}

.chart {
    min-block-size: 12rem;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    margin: var(--space-3) 0 0;
    padding: 0;
    list-style: none;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.chart-legend li {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.chart-legend .swatch {
    inline-size: 0.75rem;
    block-size: 0.75rem;
    border-radius: 3px;
    background: var(--s);
}

.chart .apexcharts-tooltip.apexcharts-theme-light,
.chart .apexcharts-tooltip.apexcharts-theme-dark {
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    color: var(--color-text);
    box-shadow: var(--shadow-2);
}

.chart .apexcharts-tooltip-title {
    background: var(--color-surface-2) !important;
    border-block-end-color: var(--color-border) !important;
    font-family: var(--font-sans) !important;
}

.chart .apexcharts-xaxistooltip {
    display: none;
}

/* ---------- Tabs ---------- */
.tab-bar {
    display: flex;
    gap: var(--space-1);
    margin-block-end: var(--space-5);
    border-block-end: 1px solid var(--color-border);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-block-end: -1px;
    padding: var(--space-3) var(--space-4);
    border-block-end: 2px solid transparent;
    color: var(--color-text-muted);
    font-weight: var(--weight-medium);
    text-decoration: none;
    white-space: nowrap;
}

.tab:hover {
    color: var(--color-text);
}

.tab.active {
    color: var(--color-text);
    border-block-end-color: var(--color-primary);
}

.tab-count {
    padding: 0 0.5em;
    border-radius: var(--radius-pill);
    background: var(--color-surface-3);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
}

/* ---------- Empty state ---------- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-10) var(--space-6);
    text-align: center;
    color: var(--color-text-muted);
}

.empty-icon {
    display: inline-grid;
    place-items: center;
    inline-size: 3rem;
    block-size: 3rem;
    border-radius: 50%;
    background: var(--color-surface-2);
    color: var(--color-text-subtle);
    font-size: var(--text-lg);
}

.empty-title {
    margin: 0;
    color: var(--color-text);
    font-weight: var(--weight-semibold);
}

.empty-body p {
    margin: 0 0 var(--space-3);
}

/* ---------- Data table ---------- */
.data-table {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.dt-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-block-end: 1px solid var(--color-border);
}

.dt-search {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
    max-inline-size: 20rem;
    margin: 0;
    padding-inline: var(--space-3);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-subtle);
}

.dt-search:focus-within {
    outline: 2px solid var(--color-focus);
    outline-offset: 1px;
}

.dt-search input {
    inline-size: 100%;
    padding: var(--space-2) 0;
    border: 0;
    background: transparent;
    color: var(--color-text);
    font: inherit;
    outline: none;
}

.dt-search input::placeholder {
    color: var(--color-text-subtle);
}

.dt-toolbar [data-table-compact] {
    margin-inline-start: auto;
}

.dt-scroll {
    overflow-x: auto;
}

.table-ui {
    inline-size: 100%;
    border-collapse: collapse;
}

.table-ui th {
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface-2);
    border-block-end: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-align: start;
    white-space: nowrap;
}

.table-ui td {
    padding: var(--space-3) var(--space-4);
    border-block-end: 1px solid var(--color-border);
    vertical-align: middle;
}

.table-ui tbody tr:last-child td {
    border-block-end: 0;
}

.table-ui tbody tr:hover {
    background: var(--color-surface-2);
}

.table-ui .num {
    text-align: end;
}

.table-ui .cell-name {
    font-weight: var(--weight-semibold);
    color: var(--color-text);
}

.table-ui .cell-sub {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: var(--weight-regular);
}

.data-table.compact .table-ui th,
.data-table.compact .table-ui td {
    padding-block: var(--space-1);
}

.sort-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    font: inherit;
    text-transform: inherit;
    letter-spacing: inherit;
    cursor: pointer;
}

.sort-btn .icon {
    opacity: 0.5;
}

[aria-sort] .sort-btn .icon {
    opacity: 1;
}

.dt-nomatch {
    margin: 0;
    padding: var(--space-6);
    text-align: center;
    color: var(--color-text-muted);
}

.skeleton {
    display: block;
    block-size: 0.75rem;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--skeleton-base), var(--skeleton-shine), var(--skeleton-base));
    background-size: 200% 100%;
    animation: skeleton 1.4s ease-in-out infinite;
}

@keyframes skeleton {
    from { background-position: 100% 0; }
    to { background-position: -100% 0; }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton {
        animation: none;
    }
}

/* ---------- Lists ---------- */
.event-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.event-list li {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-3) var(--space-5);
    border-block-end: 1px solid var(--color-border);
}

.event-list li:last-child {
    border-block-end: 0;
}

.event-main {
    flex: 1;
    min-inline-size: 0;
}

.event-title {
    color: var(--color-text);
    font-weight: var(--weight-medium);
}

.event-meta {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
}

/* ---------- Dialog & toasts ---------- */
.dialog {
    box-sizing: border-box;
    inline-size: min(28rem, calc(100vw - 2rem));
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2);
    color: var(--color-text);
}

.dialog::backdrop {
    background: var(--overlay);
}

.dialog h2 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-3);
    font-size: var(--text-lg);
}

.dialog h2 .icon {
    color: var(--status-critical);
}

.dialog p {
    margin: 0 0 var(--space-5);
    color: var(--color-text-muted);
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
}

.toast-region {
    position: fixed;
    inset-block-end: var(--space-4);
    inset-inline-end: var(--space-4);
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    inline-size: min(24rem, calc(100vw - 2rem));
}

.toast-ui {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-inline-start: 4px solid var(--s);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    color: var(--color-text);
}

.toast-ui > .icon {
    margin-block-start: 0.15em;
    color: var(--s);
}

.toast-ui .toast-text {
    flex: 1;
}

.toast-info {
    --s: var(--color-primary-strong);
}

/* Inside a table the column header already names the metric: only the value and the bar. */
.table-ui .metric-bar {
    min-inline-size: 5rem;
}

.table-ui .mb-label {
    display: none;
}

.table-ui .mb-head {
    justify-content: flex-end;
}

.table-ui .cell-name {
    white-space: nowrap;
}

.table-ui .cell-sub {
    white-space: nowrap;
}

.table-ui .sparkline {
    inline-size: 4.5rem;
}

.table-ui th,
.table-ui td {
    padding-inline: var(--space-3);
}

/* ---------- Forms ---------- */
.form-section {
    margin: 0 0 var(--space-5);
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
}

.form-section > h2,
.form-section > legend {
    float: none;
    inline-size: auto;
    margin: 0 0 var(--space-4);
    padding: 0;
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
}

.form-section > .section-note {
    margin: calc(-1 * var(--space-3)) 0 var(--space-4);
    color: var(--color-text-muted);
}

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-block-end: var(--space-4);
}

/* A group of checkboxes (days, databases): its legend looks like any field label (not Bootstrap's large legend). */
.field > legend.field-label {
    float: none;
    inline-size: auto;
    margin: 0 0 var(--space-1);
    padding: 0;
    font-size: inherit;
    line-height: inherit;
}

.field-label {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text);
    font-weight: var(--weight-medium);
}

.input {
    box-sizing: border-box;
    inline-size: 100%;
    min-block-size: 2.375rem;
    padding: var(--space-2) var(--space-3);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font: inherit;
}

.input:focus {
    outline: 2px solid var(--color-focus);
    outline-offset: 0;
    border-color: var(--color-focus);
}

.input::placeholder {
    color: var(--color-text-subtle);
}

.input:disabled {
    color: var(--color-text-muted);
    cursor: not-allowed;
}

textarea.input {
    min-block-size: 6rem;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

.input.is-invalid {
    border-color: var(--status-critical);
}

.field-hint,
.field-default {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
}

.field-default {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

.field-error {
    color: var(--status-critical);
    font-size: var(--text-sm);
}

.field.is-modified > .input,
.field.is-modified .switch-track {
    border-color: var(--status-maintenance);
}

.pill-modified {
    background: var(--status-maintenance-soft);
    color: var(--status-maintenance);
}

.pill-set {
    background: var(--status-healthy-soft);
    color: var(--status-healthy);
}

.link-btn {
    padding: 0;
    border: 0;
    background: none;
    color: var(--color-primary-strong);
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}

.switch,
.check {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin: 0;
    color: var(--color-text);
    font-weight: var(--weight-medium);
    cursor: pointer;
}

.switch input {
    position: absolute;
    opacity: 0;
    inline-size: 1px;
    block-size: 1px;
}

.switch-track {
    position: relative;
    flex: none;
    inline-size: 2.5rem;
    block-size: 1.375rem;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-pill);
    background: var(--color-surface-3);
    transition: background var(--duration-fast);
}

.switch-track::after {
    content: "";
    position: absolute;
    inset-block-start: 2px;
    inset-inline-start: 2px;
    inline-size: 1rem;
    block-size: 1rem;
    border-radius: 50%;
    background: var(--color-text-muted);
    transition: transform var(--duration-fast);
}

.switch input:checked ~ .switch-track {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.switch input:checked ~ .switch-track::after {
    background: var(--color-text-inverse);
    transform: translateX(1.125rem);
}

[dir="rtl"] .switch input:checked ~ .switch-track::after {
    transform: translateX(-1.125rem);
}

.switch input:focus-visible ~ .switch-track {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

.switch input:disabled ~ .switch-track,
.switch input:disabled ~ .switch-label {
    opacity: 0.7;
    cursor: not-allowed;
}

.check input {
    inline-size: 1rem;
    block-size: 1rem;
    accent-color: var(--color-primary);
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
    gap: var(--space-2) var(--space-4);
    margin-block-end: var(--space-4);
}

.advanced {
    margin: var(--space-2) 0 0;
    border-block-start: 1px dashed var(--color-border-strong);
}

.advanced > summary {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-block: var(--space-3);
    color: var(--color-text-muted);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    list-style: none;
}

.advanced > summary::-webkit-details-marker {
    display: none;
}

.advanced > summary::before {
    content: "";
    inline-size: 0.5rem;
    block-size: 0.5rem;
    border-block-end: 2px solid currentColor;
    border-inline-end: 2px solid currentColor;
    transform: rotate(-45deg);
    transition: transform var(--duration-fast);
}

/* An "L" corner (border on the block-end and inline-end sides) turned to point forward when closed, down when open. */
[dir="rtl"] .advanced > summary::before {
    transform: rotate(45deg);
}

.advanced[open] > summary::before {
    transform: rotate(45deg);
}

[dir="rtl"] .advanced[open] > summary::before {
    transform: rotate(-45deg);
}

.advanced-body {
    padding-block-start: var(--space-2);
}

.form-actions {
    position: sticky;
    inset-block-end: var(--space-3);
    z-index: 10;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-block-start: var(--space-5);
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2);
}

.form-actions .muted {
    margin-inline-end: auto;
}

.alert-box {
    display: flex;
    gap: var(--space-3);
    margin-block-end: var(--space-5);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--s, var(--color-border));
    border-radius: var(--radius-md);
    background: var(--s-soft, var(--color-surface-2));
    color: var(--color-text);
}

.alert-box > .icon {
    margin-block-start: 0.15em;
    color: var(--s);
}

.alert-box ul {
    margin: var(--space-1) 0 0;
    padding-inline-start: var(--space-5);
}

.alert-box p {
    margin: 0;
}

/* Rows edited in place (disks, queues, databases...): one bordered block each. */
.rows {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-block-end: var(--space-3);
}

.row-item {
    padding: var(--space-3) var(--space-3) 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-2);
}

/* Links between the pages of one area (Settings: General, On-call...). */
.page-tabs {
    display: flex;
    gap: var(--space-1);
    margin-block-end: var(--space-5);
    border-block-end: 1px solid var(--color-border);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
}

.audit-json {
    margin: 0;
    font-size: var(--text-xs);
    white-space: pre-wrap;
    word-break: break-word;
    direction: ltr;
    unicode-bidi: isolate;
}

.auth {
    display: grid;
    place-items: center;
    min-block-size: 100vh;
    padding: var(--space-4);
}

.auth-card {
    box-sizing: border-box;
    inline-size: min(26rem, 100%);
    padding: var(--space-8) var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2);
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-block-end: var(--space-6);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
}

.auth-tools {
    position: fixed;
    inset-block-start: var(--space-3);
    inset-inline-end: var(--space-3);
    display: flex;
    gap: var(--space-2);
}

.auth-tools form {
    margin: 0;
}

.btn-block {
    inline-size: 100%;
}

/* A read-only form (a Viewer): the buttons it cannot use are not shown at all. */
form[data-readonly="true"] [data-add-row],
form[data-readonly="true"] [data-remove-row],
form[data-readonly="true"] [data-reset-default],
form[data-readonly="true"] .check:has(input[name$=".Clear"]) {
    display: none;
}

/* ---- Live updates (SignalR): footer state, and a short highlight on what just changed ---- */
.live-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.live-dot {
    inline-size: 0.5rem;
    block-size: 0.5rem;
    border-radius: 50%;
    background: var(--status-unknown);
}

.live-status[data-state="connected"] .live-dot {
    background: var(--status-healthy);
}

.live-status[data-state="reconnecting"] .live-dot,
.live-status[data-state="connecting"] .live-dot {
    background: var(--status-warning);
}

.live-status[data-state="disconnected"] .live-dot {
    background: var(--status-critical);
}

@keyframes live-updated {
    from { background-color: var(--color-primary-soft); }
    to { background-color: transparent; }
}

.is-updated {
    animation: live-updated 2s ease-out;
}

@media (prefers-reduced-motion: reduce) {
    .is-updated {
        animation: none;
        outline: 2px solid var(--color-focus);
        outline-offset: -2px;
    }
}

/* ---- Two-factor setup ---- */
.setup-steps {
    display: grid;
    gap: var(--space-3);
    padding-inline-start: var(--space-5);
    margin-block-end: var(--space-4);
}

.setup-key {
    margin-block: var(--space-2);
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md, 0.5rem);
    background: var(--color-surface);
    font-family: var(--font-mono);
    font-size: var(--text-md);
    letter-spacing: 0.08em;
    word-break: break-all;
}

.setup-uri {
    word-break: break-all;
}

.recovery-codes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
    gap: var(--space-1) var(--space-4);
    padding: 0;
    margin: 0;
    list-style: none;
    font-family: var(--font-mono);
}