/* Home Assistant–inspired shell tokens (Prompt 12) */
:root {
    --state-online: #4CAF50;
    --state-offline: #F44336;
    --state-degraded: #FF9800;
    --state-unknown: #9E9E9E;
    --ha-primary: #03A9F4;
    --vision-sidebar-width: 256px;
    --vision-radius: 12px;
    --vision-surface: #ffffff;
    --vision-background: #f5f5f5;
    --vision-sidebar-bg: #ffffff;
    --vision-border: rgba(0, 0, 0, 0.12);
    --vision-text: rgba(0, 0, 0, 0.87);
    --vision-text-secondary: rgba(0, 0, 0, 0.6);
    --vision-nav-active-bg: rgba(3, 169, 244, 0.12);
}

/* Driven by MainLayout + visionShell (MudBlazor does not always set .mud-theme-dark on body). */
html.vision-dark,
body.vision-dark,
.vision-dark,
.mud-theme-dark {
    --vision-surface: #1c1c1c;
    --vision-background: #111111;
    --vision-sidebar-bg: #1c1c1c;
    --vision-border: rgba(255, 255, 255, 0.12);
    --vision-text: rgba(255, 255, 255, 0.87);
    --vision-text-secondary: rgba(255, 255, 255, 0.6);
    --vision-nav-active-bg: rgba(3, 169, 244, 0.18);
}

html, body, #app {
    height: 100%;
    background-color: var(--vision-background);
    color: var(--vision-text);
}

.vision-page-title {
    font-weight: 500 !important;
    letter-spacing: 0.01em;
    color: var(--vision-text) !important;
}

.vision-page-subtitle {
    color: var(--vision-text-secondary) !important;
}

.vision-card,
.mud-card {
    border-radius: var(--vision-radius) !important;
}

.status-online { color: var(--state-online) !important; }
.status-offline { color: var(--state-offline) !important; }
.status-degraded { color: var(--state-degraded) !important; }
.status-unknown { color: var(--state-unknown) !important; }

/* —— Prompt 13: Lovelace-like primitives —— */

.vision-card {
    background: var(--vision-surface) !important;
    border: 1px solid var(--vision-border);
    border-radius: var(--vision-radius) !important;
    box-shadow: none !important;
    color: var(--vision-text);
}

.vision-section {
    margin-bottom: 1.5rem;
}

.vision-section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    min-height: 1.75rem;
}

.vision-section-heading__title {
    font-weight: 500 !important;
    color: var(--vision-text) !important;
    line-height: 1.25 !important;
}

.vision-section-heading__subtitle {
    color: var(--vision-text-secondary) !important;
    display: block;
    margin-top: 0.15rem;
}

.vision-section-heading__actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

.vision-section__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.75rem;
}

.vision-section__stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.history-snmp-chart {
    width: 100%;
}

.history-snmp-chart .apexcharts-canvas {
    width: 100% !important;
}

/* Prompt 34.4 — policy-scoped IF util cards */
.if-util-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.75rem;
}

.if-util-card {
    border-width: 1px;
    border-style: solid;
    border-left-width: 4px;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.if-util-card__title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--vision-text) !important;
}

.if-util-card__chart {
    margin: 0 -0.25rem -0.35rem;
    min-height: 96px;
}

.if-util-card--ok {
    border-color: var(--vision-border);
    border-left-color: var(--state-online);
}

.if-util-card--warn {
    border-color: rgba(255, 152, 0, 0.45);
    border-left-color: var(--state-degraded);
    background: rgba(255, 152, 0, 0.06) !important;
}

.if-util-card--down,
.if-util-card--alert {
    border-color: rgba(244, 67, 54, 0.45);
    border-left-color: var(--state-offline);
    background: rgba(244, 67, 54, 0.07) !important;
}

.if-util-chip--ok {
    background: var(--state-online) !important;
    color: #fff !important;
}

.if-util-chip--warn {
    background: var(--state-degraded) !important;
    color: #fff !important;
}

.if-util-chip--danger {
    background: var(--state-offline) !important;
    color: #fff !important;
}

.vision-tile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    min-height: 4.25rem;
    position: relative;
    overflow: hidden;
}

.vision-tile::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--vision-tile-accent, var(--ha-primary));
}

.vision-tile--compact {
    min-height: 3.25rem;
    padding: 0.55rem 0.85rem;
}

.vision-tile--clickable {
    cursor: pointer;
    transition: background 0.15s ease;
}

.vision-tile--clickable:hover {
    background: rgba(3, 169, 244, 0.06) !important;
}

.vision-tile__icon {
    flex-shrink: 0;
    font-size: 1.75rem !important;
}

.vision-tile__body {
    flex: 1 1 auto;
    min-width: 0;
}

.vision-tile__primary {
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--vision-text);
}

.vision-tile__secondary,
.vision-tile__value {
    font-size: 0.8rem;
    color: var(--vision-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vision-tile__trailing,
.vision-tile__value {
    flex-shrink: 0;
    margin-left: 0.5rem;
    font-weight: 500;
    color: var(--vision-text);
}

.vision-entity-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    min-height: 3rem;
}

.vision-entity-row--clickable {
    cursor: pointer;
}

.vision-entity-row--clickable:hover,
.vision-entity-row--active {
    background: rgba(3, 169, 244, 0.08);
}

.vision-entity-row__icon {
    flex-shrink: 0;
}

.vision-entity-row__text {
    flex: 1 1 auto;
    min-width: 0;
}

.vision-entity-row__name {
    font-weight: 500;
    font-size: 0.9rem;
    line-height: 1.25;
    color: var(--vision-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vision-entity-row__secondary {
    font-size: 0.75rem;
    color: var(--vision-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vision-entity-row__trailing {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--vision-text-secondary);
    font-size: 0.8rem;
}

.vision-stat-tile {
    padding: 0.9rem 1rem;
    min-height: 5.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.vision-stat-tile__label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--vision-text-secondary);
}

.vision-stat-tile__row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.vision-stat-tile__icon {
    font-size: 1.5rem !important;
}

.vision-stat-tile__value {
    font-size: 1.75rem;
    font-weight: 500;
    line-height: 1.15;
}

.vision-stat-tile__caption {
    font-size: 0.75rem;
    color: var(--vision-text-secondary);
}

.vision-more-info .mud-drawer-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--vision-surface);
    color: var(--vision-text);
}

.vision-more-info__header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 0.75rem 0.85rem 1rem;
    border-bottom: 1px solid var(--vision-border);
}

.vision-more-info__state-icon {
    font-size: 1.75rem !important;
}

.vision-more-info__titles {
    flex: 1 1 auto;
    min-width: 0;
}

.vision-more-info__title {
    font-weight: 500 !important;
    line-height: 1.25 !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vision-more-info__secondary {
    color: var(--vision-text-secondary) !important;
}

.vision-more-info__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--vision-border);
}

.vision-more-info__content {
    flex: 1 1 auto;
    overflow: auto;
    padding: 1rem;
}

.vision-entities-card {
    padding: 0.35rem 0.25rem;
}

.vision-more-info-section {
    color: var(--vision-text-secondary) !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.7rem !important;
}

.monitoring-entity--offline {
    background: rgba(244, 67, 54, 0.06);
    border-radius: 8px;
}

.monitoring-entity--degraded {
    background: rgba(255, 152, 0, 0.08);
    border-radius: 8px;
}

.monitoring-trailing {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.inventory-tree-row {
    min-width: 0;
}

.inventory-tree-secondary {
    font-size: 0.75rem;
    color: var(--vision-text-secondary);
    margin-left: 0.25rem;
}

.history-metrics-grid .mud-table-cell {
    vertical-align: middle;
}

@media (max-width: 600px) {
    .vision-section__grid {
        grid-template-columns: 1fr;
    }

    .vision-more-info.mud-drawer {
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* Topology map (Prompt 24.1) */
:root {
    --topology-edge-lldp: #546e7a;
    --topology-edge-cdp: #00897b;
}

.topology-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem 1rem;
}

.topology-toolbar__zoom {
    margin-left: auto;
    display: flex;
    align-items: center;
}

.topology-map-shell {
    display: grid;
    grid-template-columns: 1fr 240px;
    min-height: 560px;
    overflow: hidden;
}

.topology-map-shell__canvas {
    min-width: 0;
    border-right: 1px solid var(--vision-border);
}

.topology-map-shell__side {
    padding: 1rem;
    background: var(--vision-surface);
}

.topology-map {
    position: relative;
    width: 100%;
    height: 560px;
    cursor: grab;
    touch-action: none;
    background:
        radial-gradient(circle at 20% 20%, rgba(3, 169, 244, 0.06), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(76, 175, 80, 0.05), transparent 45%),
        var(--vision-background);
}

.topology-map:active {
    cursor: grabbing;
}

.topology-map__svg {
    width: 100%;
    height: 100%;
    display: block;
    user-select: none;
}

.topology-map__port {
    font-size: 10px;
    fill: var(--vision-text-secondary);
    pointer-events: none;
}

.topology-map__label {
    font-size: 11px;
    fill: var(--vision-text);
    pointer-events: none;
}

.topology-map__glyph {
    font-size: 11px;
    font-weight: 600;
    fill: var(--vision-text);
    pointer-events: none;
}

.topology-map__node {
    cursor: pointer;
}

.topology-map__node-bg {
    fill: var(--vision-surface);
}

.topology-map__node-ring {
    stroke: var(--state-unknown);
}

.topology-map__node--online .topology-map__node-ring { stroke: var(--state-online); }
.topology-map__node--offline .topology-map__node-ring { stroke: var(--state-offline); }
.topology-map__node--degraded .topology-map__node-ring { stroke: var(--state-degraded); }
.topology-map__node--unknown .topology-map__node-ring { stroke: var(--state-unknown); }

.topology-map__node--unresolved .topology-map__node-bg {
    fill: transparent;
    stroke: var(--vision-text-secondary);
    stroke-dasharray: 4 3;
    stroke-width: 2;
}

.topology-map__node--unresolved .topology-map__node-ring {
    stroke: transparent;
}

.topology-map__node--outsidescope .topology-map__node-bg {
    fill: var(--vision-background);
}

.topology-map__node--outsidescope .topology-map__node-ring {
    stroke: var(--vision-text-secondary);
    stroke-dasharray: 5 4;
}

.topology-legend {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--vision-text-secondary);
}

.topology-legend__swatch,
.topology-legend__dot {
    display: inline-block;
    width: 18px;
    height: 3px;
    margin-right: 0.4rem;
    vertical-align: middle;
    border-radius: 2px;
}

.topology-legend__swatch--lldp { background: var(--topology-edge-lldp); }
.topology-legend__swatch--cdp {
    background: repeating-linear-gradient(
        90deg,
        var(--topology-edge-cdp) 0 6px,
        transparent 6px 10px);
}

.topology-legend__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--state-unknown);
    background: var(--vision-surface);
}

.topology-legend__dot--online { border-color: var(--state-online); }
.topology-legend__dot--offline { border-color: var(--state-offline); }
.topology-legend__dot--unresolved {
    border-style: dashed;
    border-color: var(--vision-text-secondary);
}
.topology-legend__dot--outside {
    border-style: dashed;
    border-color: var(--vision-text-secondary);
    background: var(--vision-background);
}

.topology-hover {
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--vision-text);
}

.topology-hover__name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.topology-hover__path,
.topology-hover__desc {
    color: var(--vision-text-secondary);
    margin-top: 0.25rem;
}

@media (max-width: 900px) {
    .topology-map-shell {
        grid-template-columns: 1fr;
    }

    .topology-map-shell__canvas {
        border-right: none;
        border-bottom: 1px solid var(--vision-border);
    }

    .topology-map__port {
        display: none;
    }
}

.vision-more-info-page {
    max-width: 1100px;
}

.vision-more-info-page .vision-more-info-section {
    margin-top: 0.5rem;
}