:root {
    --noc-bg: #111318;
    --noc-bg-soft: #171a21;
    --noc-panel: #1d222b;
    --noc-panel-border: #2d3440;
    --noc-text: #eef2f7;
    --noc-muted: #9aa4b2;
    --noc-blue: #2f80ed;
    --noc-accent: #3f86f6;
    --noc-amber: #ffb020;
    --noc-red: #f05252;
    --noc-violet: #9b8cff;
    --noc-chart-grid: rgba(154, 164, 178, 0.13);
    --noc-chart-fill: rgba(47, 128, 237, 0.12);
    --noc-chart-surface: #1d222b;
}

[data-bs-theme="light"] {
    --noc-bg: #f4f7fb;
    --noc-bg-soft: #ffffff;
    --noc-panel: #ffffff;
    --noc-panel-border: #dce3ec;
    --noc-text: #1f2937;
    --noc-muted: #64748b;
    --noc-chart-grid: rgba(100, 116, 139, 0.18);
    --noc-chart-fill: rgba(47, 128, 237, 0.10);
    --noc-chart-surface: #ffffff;
}

* {
    letter-spacing: 0;
}

body {
    min-height: 100vh;
    color: var(--noc-text);
    background: var(--noc-bg);
}

code {
    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
    font-size: 0.85em;
    color: var(--noc-accent, #3f86f6);
    background-color: rgba(63, 134, 246, 0.06);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(63, 134, 246, 0.15);
}

body.sidebar-open {
    overflow: hidden;
}

.noc-shell {
    overflow-x: hidden;
}

.noc-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
}

.noc-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 20px 16px;
    background: var(--noc-bg-soft);
    border-right: 1px solid var(--noc-panel-border);
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow: hidden;
}

.noc-brand,
.auth-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.noc-brand strong,
.auth-brand strong {
    display: block;
    font-size: 0.98rem;
    line-height: 1.1;
}

.noc-brand small,
.auth-brand small {
    display: block;
    color: var(--noc-muted);
    font-size: 0.78rem;
}

.noc-brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    display: inline-grid;
    place-items: center;
    color: #061426;
    background: var(--noc-blue);
    font-size: 1.25rem;
    flex: 0 0 auto;
}

.noc-brand-logo {
    width: 58px;
    height: 58px;
    object-fit: contain;
    flex: 0 0 auto;
}

.noc-nav {
    display: grid;
    gap: 6px;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.noc-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 42px;
    padding: 0 12px;
    color: var(--noc-muted);
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease;
}

.noc-nav-link:hover,
.noc-nav-link.active {
    color: var(--noc-text);
    background: rgba(63, 134, 246, 0.16);
}

.noc-nav-link.disabled {
    cursor: not-allowed;
    opacity: 0.46;
}

.noc-nav-link i {
    width: 20px;
    text-align: center;
}

.noc-sidebar-footer {
    margin-top: auto;
    padding: 14px;
    border: 1px solid var(--noc-panel-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
}

.noc-status-dot {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 0.85rem;
}

.noc-status-dot span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--noc-blue);
}

.noc-main {
    padding: 22px;
    min-width: 0;
}

.mobile-backdrop,
.mobile-menu-toggle {
    display: none;
}

.noc-topbar {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.noc-topbar h1 {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 700;
}

.noc-eyebrow {
    color: var(--noc-accent);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.noc-topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification-dropdown {
    width: 320px;
    max-width: calc(100vw - 28px);
    max-height: min(400px, calc(100dvh - 90px));
    overflow-y: auto;
    background: var(--noc-panel);
    border: 1px solid var(--noc-panel-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.notification-toast-container {
    z-index: 1080;
    width: min(380px, 100vw);
    pointer-events: none;
}

.notification-toast-container .toast {
    width: 100%;
    max-width: 360px;
    margin-left: auto;
    pointer-events: auto;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.38);
}

.pon-issues-alert {
    display: grid;
    gap: 14px;
    margin-top: 1rem;
    padding: 1.1rem;
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    border-radius: 8px;
}

.pon-issues-heading {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.pon-issues-heading h5 {
    font-size: 1.05rem;
}

.pon-issues-icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    color: var(--noc-red);
    background: rgba(240, 82, 82, 0.12);
    border-radius: 8px;
    font-size: 1.1rem;
}

.pon-issues-mobile {
    display: grid;
    gap: 10px;
}

.pon-issue-card {
    padding: 12px;
    color: var(--noc-text);
    background: rgba(0, 0, 0, 0.14);
    border: 1px solid rgba(240, 82, 82, 0.2);
    border-radius: 8px;
}

.pon-issue-card-header,
.pon-issue-card-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.pon-issue-identity {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 10px;
    min-width: 0;
}

.pon-issue-identity strong {
    overflow-wrap: anywhere;
}

.pon-issue-card-header .badge {
    flex: 0 0 auto;
    font-size: 0.66rem;
}

.pon-issue-card-body {
    justify-content: flex-start;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.82rem;
}

.pon-issue-card-body > span:first-child {
    color: var(--noc-muted);
}

.pon-issue-card-body strong {
    color: var(--noc-amber);
}

.pon-issue-percent {
    margin-left: auto;
    padding: 2px 7px;
    color: var(--noc-amber);
    background: rgba(255, 176, 32, 0.12);
    border-radius: 999px;
    font-weight: 700;
}

.olt-inventory-mobile {
    display: grid;
    gap: 10px;
}

.olt-inventory-card {
    display: block;
    padding: 13px;
    color: var(--noc-text);
    text-decoration: none;
    background: var(--noc-bg-soft);
    border: 1px solid var(--noc-panel-border);
    border-radius: 8px;
}

.olt-inventory-card:active {
    border-color: var(--noc-accent);
}

.olt-inventory-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.olt-inventory-title {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.olt-inventory-title > strong {
    overflow-wrap: anywhere;
    font-size: 0.96rem;
}

.olt-inventory-title > span {
    color: var(--noc-muted);
    font-size: 0.76rem;
}

.olt-inventory-header .status-badge {
    flex: 0 0 auto;
}

.olt-inventory-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.olt-inventory-metrics > div {
    display: grid;
    gap: 2px;
    padding: 9px 10px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--noc-panel-border);
    border-radius: 7px;
}

.olt-inventory-metrics span {
    color: var(--noc-muted);
    font-size: 0.7rem;
}

.olt-inventory-metrics strong {
    font-size: 0.9rem;
}

.olt-inventory-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 11px;
    padding-top: 9px;
    color: var(--noc-muted);
    border-top: 1px solid var(--noc-panel-border);
    font-size: 0.72rem;
}

.olt-inventory-footer time {
    color: var(--noc-text);
    text-align: right;
}

.btn-icon,
.btn-user {
    min-height: 40px;
    border: 1px solid var(--noc-panel-border);
    background: var(--noc-panel);
    color: var(--noc-text);
    border-radius: 8px;
}

.tv-mode-toggle {
    white-space: nowrap;
}

body.tv-mode {
    overflow: auto;
}

body.tv-mode .noc-layout {
    display: block;
}

body.tv-mode .noc-sidebar,
body.tv-mode .mobile-backdrop {
    display: none !important;
}

body.tv-mode .noc-main {
    width: 100%;
    padding: 12px;
}

body.tv-mode .noc-topbar {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 1090;
    min-height: 0;
    margin: 0;
    pointer-events: none;
}

body.tv-mode .noc-topbar > div:first-child,
body.tv-mode .noc-topbar-actions > :not(.tv-mode-toggle) {
    display: none !important;
}

body.tv-mode .noc-topbar-actions {
    width: auto;
    pointer-events: auto;
}

body.tv-mode .tv-mode-toggle {
    background: rgba(13, 18, 29, 0.88);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
}

body.tv-mode .metric-grid {
    padding-right: 96px;
}

body.tv-mode .panel,
body.tv-mode .metric-card {
    border-color: rgba(63, 134, 246, 0.22);
}

.btn-icon {
    width: 42px;
    padding: 0;
}

.btn-user {
    display: flex;
    align-items: center;
    gap: 8px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(8, minmax(132px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.metric-card,
.panel {
    border: 1px solid var(--noc-panel-border);
    border-radius: 8px;
    background: var(--noc-panel);
}

.metric-card {
    min-height: 96px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
}

.clickable-card {
    text-decoration: none;
    color: inherit;
    transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.22s ease, box-shadow 0.22s ease;
    cursor: pointer;
}

.clickable-card:hover {
    transform: translateY(-3px);
    border-color: var(--noc-accent);
    box-shadow: 0 6px 16px rgba(63, 134, 246, 0.16);
}

.metric-card span {
    display: block;
    color: var(--noc-muted);
    font-size: 0.82rem;
    line-height: 1.2;
}

.metric-card strong {
    display: block;
    margin-top: 4px;
    font-size: 1.8rem;
    line-height: 1;
}

.metric-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.04);
    flex: 0 0 auto;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(330px, 0.55fr);
    gap: 16px;
    margin-bottom: 16px;
}

.panel {
    padding: 16px;
}

.panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.panel-header h2 {
    margin: 0;
    font-size: 1rem;
}

.panel-header > i {
    color: var(--noc-muted);
    font-size: 1.25rem;
}

.panel-chart {
    min-height: 320px;
}

.table-link {
    color: var(--noc-text);
    font-weight: 700;
    text-decoration: none;
}

.table-link:hover {
    color: var(--noc-accent);
}

.chart-frame {
    position: relative;
    height: 240px;
    min-height: 240px;
    max-height: 240px;
}

.chart-frame canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.olt-header-panel {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px;
    margin-bottom: 12px;
}

.olt-header-main {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    min-width: 0;
    flex: 1 1 auto;
}

.olt-header-main h2 {
    margin: 0;
    font-size: 1.125rem;
}

.olt-header-main p {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    margin: 4px 0 0;
    font-size: 0.8rem;
    color: var(--noc-muted);
}

.olt-header-main p code {
    font-size: 0.8rem;
}

.detail-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
}

.detail-actions form {
    display: inline-flex;
    margin: 0;
}

.olt-metric-grid {
    grid-template-columns: repeat(4, minmax(160px, 1fr));
    margin-bottom: 12px;
}

.olt-metric-grid .metric-card {
    min-height: 72px;
    padding: 10px 14px;
}

.olt-metric-grid .metric-card strong {
    font-size: 1.4rem;
    margin-top: 2px;
}

.olt-metric-grid .metric-icon {
    width: 32px;
    height: 32px;
    font-size: 0.95rem;
}

.btn-copy-icon {
    opacity: 0.65 !important;
    color: var(--noc-muted) !important;
    transition: opacity 150ms ease, color 150ms ease;
}

.btn-copy-icon:hover {
    opacity: 1 !important;
    color: var(--noc-accent) !important;
}

.metric-time {
    font-size: 0.95rem !important;
    line-height: 1.2 !important;
    word-break: break-word;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.compact-empty {
    min-height: 240px;
}

.sensor-summary-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.sensor-summary-strip span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 34px;
    padding: 0 10px;
    border: 1px solid var(--noc-panel-border);
    border-radius: 999px;
    color: var(--noc-muted);
    background: rgba(255, 255, 255, 0.025);
    font-size: 0.82rem;
}

.sensor-summary-strip strong {
    color: var(--noc-text);
}

.event-list {
    display: grid;
    gap: 10px;
}

.event-row {
    display: grid;
    grid-template-columns: 10px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--noc-panel-border);
    border-radius: 8px;
}

a.event-row {
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
    cursor: pointer;
}

a.event-row:hover {
    background-color: rgba(255, 255, 255, 0.02);
    border-color: var(--noc-accent);
    transform: scale(1.01);
}

.event-row strong,
.event-row small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.event-row small,
.event-row time {
    color: var(--noc-muted);
    font-size: 0.78rem;
}

.severity {
    width: 9px;
    height: 36px;
    border-radius: 999px;
    background: var(--noc-muted);
}

.severity-critical,
.severity-high {
    background: var(--noc-red);
}

.severity-warning,
.severity-medium {
    background: var(--noc-amber);
}

.severity-info,
.severity-low {
    background: var(--noc-accent);
}

.empty-state {
    min-height: 174px;
    display: grid;
    place-items: center;
    color: var(--noc-muted);
    border: 1px dashed var(--noc-panel-border);
    border-radius: 8px;
}

.empty-state i {
    font-size: 2rem;
    color: var(--noc-blue);
}

.status-badge {
    min-width: 74px;
    border-radius: 999px;
    text-transform: uppercase;
}

.status-online,
.status-active,
.status-up {
    background: rgba(47, 128, 237, 0.18);
    color: var(--noc-blue);
}

.status-offline,
.status-inactive,
.status-down {
    background: rgba(240, 82, 82, 0.18);
    color: var(--noc-red);
}

.status-blocked {
    background: rgba(255, 176, 32, 0.18);
    color: var(--noc-amber);
}

.status-ok {
    background: rgba(47, 128, 237, 0.18);
    color: var(--noc-blue);
}

.status-alarm,
.status-unavailable,
.status-unknown {
    background: rgba(255, 176, 32, 0.18);
    color: var(--noc-amber);
}

.noc-table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--noc-text);
    --bs-table-border-color: var(--noc-panel-border);
    --bs-table-hover-bg: rgba(63, 134, 246, 0.08);
    --bs-table-hover-color: var(--noc-text);
    margin-bottom: 0;
}

.noc-table thead th {
    color: var(--noc-text);
    border-bottom-color: var(--noc-panel-border);
    background: rgba(255, 255, 255, 0.035);
}

.noc-table tbody td {
    color: var(--noc-text);
    border-color: var(--noc-panel-border);
}

.noc-table tbody tr:last-child td {
    border-bottom-width: 0;
}

.dataTables_empty,
table.dataTable > tbody > tr > td.dataTables_empty {
    color: var(--noc-muted) !important;
    background: transparent !important;
}

[data-bs-theme="light"] .noc-table thead th {
    background: #eef3f9;
}

[data-bs-theme="light"] .noc-table {
    --bs-table-hover-bg: rgba(47, 128, 237, 0.08);
}

.auth-page {
    min-height: 100vh;
    background: #060b19;
}

.auth-wrapper {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px;
    padding-top: max(28px, env(safe-area-inset-top));
    padding-bottom: max(28px, env(safe-area-inset-bottom));
}

.auth-panel {
    width: min(100%, 624px);
    padding: 42px 30px 28px;
    border: 1px solid rgba(91, 116, 151, 0.32);
    border-radius: 8px;
    background: #101728;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.auth-logo-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 18px;
}

.auth-logo {
    display: block;
    width: 106px;
    height: 106px;
    object-fit: contain;
    border-radius: 8px;
}

.auth-brand-centered {
    justify-content: center;
    text-align: center;
}

.auth-brand-centered strong {
    color: #f3f6fb;
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1.15;
}

.auth-brand-centered strong span {
    color: #3e9cff;
}

.auth-brand-centered small {
    margin-top: 10px;
    color: #7e8ca4;
    font-size: 0.86rem;
    text-transform: none;
}

.auth-form {
    display: grid;
    gap: 20px;
    width: min(100%, 564px);
    margin: 46px auto 0;
}

.auth-form .form-label {
    margin-bottom: 8px;
    color: #9aa8bd;
    font-size: 0.78rem;
    font-weight: 800;
}

.auth-form .form-control {
    min-height: 48px;
    padding: 0 16px;
    color: #dce7f7;
    border: 1px solid #314057;
    border-radius: 8px;
    background: #243046;
    box-shadow: none;
}

.auth-form .form-control::placeholder {
    color: #7d8aa1;
}

.auth-form .form-control:focus {
    border-color: #4c8dff;
    background: #26334b;
    box-shadow: 0 0 0 3px rgba(76, 141, 255, 0.18);
}

.auth-form .btn {
    min-height: 51px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
    border: 0;
    border-radius: 8px;
    background: linear-gradient(90deg, #3f86f6, #6670ff);
    box-shadow: 0 14px 26px rgba(63, 134, 246, 0.2);
    font-weight: 700;
}

.auth-form .btn:hover {
    background: linear-gradient(90deg, #4b96ff, #747cff);
}

.user-form {
    max-width: 980px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 22px;
}

.resource-form {
    display: grid;
    gap: 22px;
}

.form-section {
    padding: 16px;
    border: 1px solid var(--noc-panel-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
}

.form-section h3 {
    margin: 0 0 14px;
    color: var(--noc-text);
    font-size: 0.95rem;
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.table-actions form {
    display: inline-flex;
    margin: 0;
}

.collect-result-panel {
    margin-bottom: 16px;
}

.collect-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.collect-summary-item {
    padding: 12px;
    border: 1px solid var(--noc-panel-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.025);
}

.collect-summary-item span {
    display: block;
    color: var(--noc-muted);
    font-size: 0.78rem;
}

.collect-summary-item strong {
    display: block;
    margin-top: 4px;
    font-size: 1.18rem;
}

.collect-sensors-table {
    margin-bottom: 14px;
}

.collect-details summary {
    cursor: pointer;
    color: var(--noc-accent);
    font-weight: 700;
}

.collect-result {
    max-height: 360px;
    margin: 12px 0 0;
    padding: 14px;
    overflow: auto;
    color: var(--noc-text);
    border: 1px solid var(--noc-panel-border);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.18);
    font-size: 0.82rem;
}

.input-group-text,
.form-control {
    border-color: var(--noc-panel-border);
}

.form-select {
    border-color: var(--noc-panel-border);
}

.error-icon {
    font-size: 2.6rem;
    color: var(--noc-amber);
}

@media (max-width: 1200px) {
    .metric-grid {
        grid-template-columns: repeat(4, minmax(150px, 1fr));
    }

    .dashboard-grid,
    .telemetry-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .noc-layout {
        grid-template-columns: 1fr;
    }

    .noc-sidebar {
        position: fixed;
        z-index: 1040;
        width: min(82vw, 310px);
        height: 100dvh;
        transform: translateX(-105%);
        transition: transform 180ms ease;
        box-shadow: 20px 0 60px rgba(0, 0, 0, 0.32);
    }

    body.sidebar-open .noc-sidebar {
        transform: translateX(0);
    }

    .mobile-backdrop {
        position: fixed;
        inset: 0;
        z-index: 1030;
        display: block;
        pointer-events: none;
        background: rgba(3, 7, 18, 0);
        transition: background-color 180ms ease;
    }

    body.sidebar-open .mobile-backdrop {
        pointer-events: auto;
        background: rgba(3, 7, 18, 0.62);
    }

    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .noc-main {
        padding: 14px;
        padding-top: max(14px, env(safe-area-inset-top));
        padding-bottom: max(14px, env(safe-area-inset-bottom));
    }

    .noc-topbar {
        min-height: auto;
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
        margin-bottom: 14px;
    }

    .noc-topbar h1 {
        font-size: 1.22rem;
    }

    .noc-topbar-actions {
        width: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
    }

    .mobile-menu-toggle {
        margin-right: auto;
    }

    .panel-header {
        flex-wrap: wrap;
    }

    .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .metric-card {
        min-height: 84px;
        padding: 12px;
    }

    .metric-card strong {
        font-size: 1.45rem;
    }

    .panel {
        padding: 14px;
    }

    .olt-header-panel,
    .olt-header-main {
        flex-direction: column;
    }

    .olt-header-main {
        gap: 10px;
    }

    .detail-actions {
        width: 100%;
        justify-content: stretch;
    }

    .detail-actions .btn,
    .detail-actions form {
        flex: 1 1 170px;
    }

    .detail-actions .btn,
    .detail-actions button {
        width: 100%;
    }

    .chart-frame {
        height: 220px;
        min-height: 220px;
        max-height: 220px;
    }

    .event-row {
        grid-template-columns: 8px minmax(0, 1fr);
    }

    .event-row time {
        grid-column: 2;
    }

    .auth-panel {
        padding: 30px 18px 22px;
    }

    .auth-form {
        margin-top: 34px;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
    }

    .table-actions {
        min-width: 132px;
    }

    .collect-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .panel-header > .btn,
    .panel-header > a.btn {
        min-height: 42px;
    }

    .panel-header > .d-flex {
        flex-wrap: wrap;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 4px;
    }

    .pagination .page-link {
        min-width: 38px;
        min-height: 38px;
        display: grid;
        place-items: center;
        border-radius: 6px;
    }

    .table-responsive:has(.responsive-card-table) {
        overflow: visible;
    }

    .responsive-card-table,
    .responsive-card-table tbody,
    .responsive-card-table tr,
    .responsive-card-table td {
        display: block;
        width: 100%;
    }

    .responsive-card-table {
        margin: 0;
        border: 0;
    }

    .responsive-card-table thead {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .responsive-card-table tbody {
        display: grid;
        gap: 10px;
    }

    .responsive-card-table tbody tr {
        padding: 7px 12px;
        background: var(--noc-bg-soft);
        border: 1px solid var(--noc-panel-border);
        border-radius: 8px;
    }

    .responsive-card-table tbody tr:hover {
        background: var(--noc-bg-soft);
    }

    .responsive-card-table tbody td {
        display: grid;
        grid-template-columns: minmax(90px, 34%) minmax(0, 1fr);
        align-items: center;
        gap: 10px;
        min-height: 39px;
        padding: 8px 0;
        overflow-wrap: anywhere;
        border: 0;
        border-bottom: 1px solid var(--noc-panel-border);
        text-align: left !important;
    }

    .responsive-card-table tbody td:last-child {
        border-bottom: 0;
    }

    .responsive-card-table tbody td::before {
        content: attr(data-label);
        color: var(--noc-muted);
        font-size: 0.69rem;
        font-weight: 700;
        letter-spacing: 0.035em;
        text-transform: uppercase;
    }

    .responsive-card-table .table-actions,
    .responsive-card-table td > .d-flex {
        flex-wrap: wrap;
        justify-content: flex-start !important;
        min-width: 0;
    }

    .responsive-card-table .table-actions .btn,
    .responsive-card-table td > .btn,
    .responsive-card-table td form .btn {
        min-height: 38px;
        min-width: 38px;
    }

    .responsive-card-table select,
    .responsive-card-table .input-group {
        width: 100%;
        max-width: none !important;
    }

    .dataTables_wrapper .row {
        gap: 8px;
    }

    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter {
        text-align: left !important;
    }

    .dataTables_wrapper .dataTables_filter input {
        width: 100%;
        max-width: none;
        margin: 6px 0 0 !important;
    }

    .dt-container .row {
        gap: 8px;
    }

    .dt-container .dt-search,
    .dt-container .dt-length {
        text-align: left !important;
    }

    .dt-container .dt-search input {
        width: 100%;
        max-width: none;
        margin: 6px 0 0 !important;
    }
}

@media (max-width: 520px) {
    .pon-issues-alert {
        padding: 12px;
    }

    .pon-issues-heading h5 {
        font-size: 0.98rem;
        line-height: 1.25;
    }

    .pon-issues-heading p {
        line-height: 1.35;
    }

    .olt-inventory-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .olt-inventory-footer time {
        text-align: left;
    }

    .panel-header > .btn,
    .panel-header > a.btn {
        width: 100%;
    }

    .panel-header > .d-flex {
        width: 100%;
    }

    .panel-header > .d-flex .btn {
        flex: 1 1 140px;
        min-height: 42px;
    }

    .responsive-card-table tbody td {
        grid-template-columns: minmax(82px, 31%) minmax(0, 1fr);
        gap: 8px;
    }

    .notification-toast-container {
        width: 100%;
        padding: 10px !important;
    }

    .notification-toast-container .toast {
        max-width: none;
    }

    .metric-grid {
        grid-template-columns: 1fr;
    }

    .btn-user span {
        max-width: 92px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .collect-summary-grid {
        grid-template-columns: 1fr;
    }
}

/* ── ONUs ──────────────────────────────────────────────── */

.onus-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.onus-search-wrap {
    position: relative;
    flex: 1 1 220px;
    min-width: 180px;
}

.onus-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--noc-muted);
    pointer-events: none;
    font-size: 0.9rem;
}

.onus-search-input {
    padding-left: 34px;
    min-height: 40px;
    background: var(--noc-bg-soft);
    color: var(--noc-text);
    border-color: var(--noc-panel-border);
}

.onus-search-input:focus {
    background: var(--noc-bg-soft);
    color: var(--noc-text);
    border-color: var(--noc-accent);
    box-shadow: 0 0 0 3px rgba(63, 134, 246, 0.18);
}

.onus-olt-filter,
.onus-status-filter,
.onus-signal-filter,
.onus-pon-filter {
    min-height: 40px;
    flex: 0 1 200px;
    background: var(--noc-bg-soft);
    color: var(--noc-text);
    border-color: var(--noc-panel-border);
}

.onus-count-badge {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(63, 134, 246, 0.14);
    color: var(--noc-accent);
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

/* Serial GPON em fonte mono */
.onu-serial {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    color: var(--noc-text);
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    border: none;
}

/* Sinal óptico semafórico */
.signal-good { color: #36b37e; }
.signal-warn { color: var(--noc-amber); }
.signal-bad  { color: var(--noc-red); }

/* Nome do cliente */
.onu-alias-container {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.onu-alias-icon {
    font-size: 0.95rem;
    color: var(--noc-muted);
}

.onu-alias {
    font-style: normal;
    font-weight: 500;
    color: var(--noc-text);
    font-size: 0.88rem;
    letter-spacing: 0.015em;
}

/* Card clicável (link "Ver ONUs") */
.metric-card-link {
    padding: 0;
}

.metric-card-anchor {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
    border-radius: 7px;
    transition: background-color 140ms ease;
}

.metric-card-anchor:hover {
    background: rgba(63, 134, 246, 0.1);
    color: var(--noc-text);
}

@media (max-width: 820px) {
    .onus-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .onus-olt-filter,
    .onus-status-filter,
    .onus-signal-filter,
    .onus-pon-filter {
        flex: 1 1 auto;
    }
}

/* Blacklist UI highlights */
.table-danger-subtle {
    background-color: rgba(240, 82, 82, 0.08) !important;
}

.btn-xs {
    padding: 2px 6px;
    font-size: 0.75rem;
    border-radius: 4px;
}

/* ============================================================
   Módulo de Alarmes — Fase 6
   ============================================================ */

/* Animação de pulso para alarmes críticos */
@keyframes alarm-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.45; }
}

@keyframes alarm-border-pulse {
    0%, 100% { border-color: rgba(240, 82, 82, 0.8); }
    50%       { border-color: rgba(240, 82, 82, 0.2); }
}

/* Ícone do sino pulsando na header */
.alarm-pulse-icon {
    animation: alarm-pulse 2s ease-in-out infinite;
}

/* ---- Grid de resumo de severidades ---- */
.alarm-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.alarm-summary-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-weight: 600;
}

.alarm-summary-card i {
    font-size: 1.6rem;
}

.alarm-summary-card .alarm-count {
    display: block;
    font-size: 1.5rem;
    line-height: 1;
    font-weight: 700;
}

.alarm-summary-card small {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.75;
}

/* Variantes de severidade — cards de resumo */
.alarm-summary-card.alarm-critical {
    background: rgba(240, 82, 82, 0.1);
    border-color: rgba(240, 82, 82, 0.35);
    color: #f05252;
}

.alarm-summary-card.alarm-high {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.35);
    color: #f59e0b;
}

.alarm-summary-card.alarm-medium {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.35);
    color: #818cf8;
}

.alarm-summary-card.alarm-low {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}

/* ---- Badge de severidade nas linhas da tabela ---- */
.alarm-severity-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.alarm-severity-badge.alarm-critical {
    background: rgba(240, 82, 82, 0.15);
    color: #f05252;
}

.alarm-severity-badge.alarm-high {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.alarm-severity-badge.alarm-medium {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
}

.alarm-severity-badge.alarm-low {
    background: rgba(59, 130, 246, 0.12);
    color: #60a5fa;
}

.alarm-severity-badge.alarm-info {
    background: rgba(107, 114, 128, 0.15);
    color: var(--noc-muted);
}

/* ---- Highlight de linha crítica com pulso ---- */
.alarm-row-pulse {
    animation: alarm-border-pulse 2.5s ease-in-out infinite;
    border-left: 3px solid #f05252 !important;
}

/* ---- Badge de tipo de alarme ---- */
.alarm-type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.73rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--noc-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---- Duração ---- */
.alarm-duration {
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
    color: var(--noc-muted);
}

@media (max-width: 768px) {
    .alarm-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---- Submenu Navigation ---- */
.noc-nav-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.noc-nav-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 42px;
    padding: 0 12px;
    color: var(--noc-muted);
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    transition: background-color 160ms ease, color 160ms ease;
}

.noc-nav-group-header:hover,
.noc-nav-group-header.active {
    color: var(--noc-text);
    background: rgba(63, 134, 246, 0.16);
}

.noc-nav-group-header[aria-expanded="true"] {
    color: var(--noc-text);
}

.noc-nav-group-header .chevron {
    font-size: 0.75rem;
    transition: transform 180ms ease;
}

.noc-nav-group-header[aria-expanded="true"] .chevron {
    transform: rotate(90deg);
}

.noc-nav-group-content {
    padding-left: 28px;
    margin-top: 2px;
}

.noc-nav-link-sub {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 36px;
    padding: 0 12px;
    color: var(--noc-muted);
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 160ms ease, color 160ms ease;
}

.noc-nav-link-sub:hover,
.noc-nav-link-sub.active {
    color: var(--noc-text);
    background: rgba(63, 134, 246, 0.1);
}

/* ---- Pagination styling overrides ---- */
.pagination {
    --bs-pagination-bg: var(--noc-panel);
    --bs-pagination-border-color: var(--noc-panel-border);
    --bs-pagination-color: var(--noc-muted);
    --bs-pagination-hover-color: var(--noc-text);
    --bs-pagination-hover-bg: rgba(63, 134, 246, 0.12);
    --bs-pagination-hover-border-color: var(--noc-panel-border);
    --bs-pagination-active-color: #ffffff;
    --bs-pagination-active-bg: var(--noc-accent);
    --bs-pagination-active-border-color: var(--noc-accent);
    --bs-pagination-disabled-color: rgba(154, 164, 178, 0.35);
    --bs-pagination-disabled-bg: var(--noc-bg-soft);
    --bs-pagination-disabled-border-color: var(--noc-panel-border);
}

.page-link {
    transition: background-color 140ms ease, color 140ms ease;
    box-shadow: none !important;
    text-decoration: none;
}

.page-link:focus {
    background-color: var(--bs-pagination-hover-bg);
}

/* ---- Remember Me checkbox & custom styling ---- */
.auth-form .form-check-input {
    background-color: #243046;
    border: 1px solid #314057;
    margin-top: 0.25em;
    cursor: pointer;
}
.auth-form .form-check-input:checked {
    background-color: #3f86f6;
    border-color: #3f86f6;
}
.auth-form .form-check-label {
    user-select: none;
    cursor: pointer;
}