:root {
    --bg: #0d1117;
    --panel: #111827;
    --panel-2: #151f2e;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --line: #263244;
    --accent: #38bdf8;
    --accent-strong: #0ea5e9;
    --danger: #f87171;
    --success: #34d399;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    --nav-hover: rgba(14, 165, 233, 0.10);
    --nav-active: rgba(56, 189, 248, 0.16);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 30%),
        radial-gradient(circle at bottom right, rgba(52, 211, 153, 0.08), transparent 30%),
        var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 248px minmax(0, 1fr);
}

.sidebar {
    border-right: 1px solid var(--line);
    background: rgba(17, 24, 39, 0.78);
    backdrop-filter: blur(14px);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    display: grid;
    place-items: center;
    color: #00111d;
    font-weight: 900;
    font-size: 24px;
}

.brand-title {
    font-size: 20px;
    font-weight: 800;
}

.brand-subtitle {
    color: var(--muted);
    font-size: 12px;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav a,
.logout-form button {
    display: block;
    width: 100%;
    border: 1px solid transparent;
    background: transparent;
    color: var(--muted);
    text-align: left;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 14px;
    cursor: pointer;
}

.nav a:hover,
.logout-form button:hover {
    color: var(--text);
    background: var(--panel-2);
    border-color: var(--line);
}

.logout-form {
    margin-top: auto;
}

.main {
    padding: 26px;
    min-width: 0;
}

.page-header {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 18px;
    align-items: flex-start;
}

.eyebrow {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 8px;
}

h1,
h2 {
    margin: 0;
    line-height: 1.15;
}

h1 {
    font-size: 30px;
    letter-spacing: -0.03em;
}

h2 {
    font-size: 18px;
    margin-bottom: 12px;
}

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

.card {
    background: rgba(17, 24, 39, 0.88);
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 24px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 18px;
}

.metric-value {
    font-size: 36px;
    font-weight: 900;
}

.metric-label {
    color: var(--muted);
    margin-top: 6px;
}

.steps {
    color: var(--muted);
    line-height: 1.9;
}

.login-wrap {
    min-height: calc(100vh - 68px);
    display: grid;
    place-items: center;
}

.login-card {
    width: min(460px, 100%);
}

.form {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}

label {
    display: grid;
    gap: 8px;
    color: var(--text);
    font-weight: 700;
}

input,
select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #0b1220;
    color: var(--text);
    padding: 12px 14px;
    font-size: 15px;
    outline: none;
}

input:focus,
select:focus {
    border-color: var(--accent);
}

button.primary {
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #00111d;
    font-weight: 900;
    padding: 13px 16px;
    cursor: pointer;
}

button.primary:hover {
    filter: brightness(1.05);
}

.flash {
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 18px;
    border: 1px solid var(--line);
}

.flash-success {
    background: rgba(52, 211, 153, 0.12);
    color: var(--success);
}

.flash-error {
    background: rgba(248, 113, 113, 0.12);
    color: var(--danger);
}

.settings-card {
    margin-bottom: 18px;
}

.settings-list {
    display: grid;
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
}

.setting-row {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 20px;
    padding: 18px;
    background: rgba(15, 23, 42, 0.65);
}

.setting-meta label {
    font-size: 15px;
}

.setting-meta p {
    margin: 6px 0;
    color: var(--muted);
}

code {
    color: var(--accent);
    font-size: 12px;
}

.sticky-actions {
    position: sticky;
    bottom: 0;
    padding: 18px 0 0;
    background: linear-gradient(transparent, var(--bg) 35%);
    display: flex;
    justify-content: flex-end;
}

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

    .sidebar {
        position: static;
    }

    .grid,
    .setting-row {
        grid-template-columns: 1fr;
    }
}

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

.grid-form .wide {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th,
td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(15, 23, 42, 0.8);
}

tr:last-child td {
    border-bottom: none;
}

.pill {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 10px;
    color: var(--accent);
    background: rgba(56, 189, 248, 0.08);
    font-size: 12px;
    font-weight: 800;
}

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

.action-row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.small-button,
.small-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: rgba(15, 23, 42, 0.95);
    color: var(--text);
    border-radius: 10px;
    padding: 7px 10px;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}

.small-button:hover,
.small-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.muted-small {
    color: var(--muted);
    font-size: 12px;
}

.pill-online,
.pill-online:hover {
    color: var(--success);
    background: rgba(52, 211, 153, 0.10);
}

.pill-error,
.pill-api_error,
.pill-ssh_error,
.pill-ssh_timeout,
.pill-backup_error {
    color: var(--danger);
    background: rgba(248, 113, 113, 0.10);
}

.pill-warning,
.pill-unknown,
.pill-credential_missing {
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.10);
}

.token-card {
    border-color: rgba(56, 189, 248, 0.45);
}

.token-box {
    margin-top: 14px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #050a12;
    color: var(--accent);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    overflow-x: auto;
    user-select: all;
}

.code-block {
    margin: 14px 0 0;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #050a12;
    color: var(--text);
    overflow-x: auto;
}

.danger-button {
    color: var(--danger);
}

.import-actions {
    margin: 12px 0 18px;
}

input[type="file"] {
    padding: 10px;
}

.user-badge {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px 14px;
    background: rgba(15, 23, 42, 0.6);
    color: var(--text);
    font-size: 13px;
}

.user-badge span {
    display: inline-flex;
    margin-top: 5px;
    color: var(--accent);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 900;
}

.inline-link {
    color: var(--accent);
    font-weight: 800;
}

.inline-link:hover {
    text-decoration: underline;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.detail-grid div {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    background: rgba(15, 23, 42, 0.55);
}

.detail-grid span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 6px;
}

.detail-grid strong {
    display: block;
    word-break: break-word;
}

@media (max-width: 1100px) {
    .detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 16px;
}

.filter-form {
    display: grid;
    grid-template-columns: repeat(6, minmax(140px, 1fr));
    gap: 14px;
    align-items: end;
    margin-bottom: 18px;
}

.filter-form label:first-child {
    grid-column: span 2;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    margin-top: 16px;
}

@media (max-width: 1100px) {
    .filter-form {
        grid-template-columns: repeat(2, minmax(140px, 1fr));
    }

    .filter-form label:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 700px) {
    .filter-form {
        grid-template-columns: 1fr;
    }

    .filter-form label:first-child {
        grid-column: span 1;
    }
}


.advanced-options {
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 14px;
    padding: 14px 16px;
    background: rgba(15, 23, 42, 0.18);
}

.advanced-options summary {
    cursor: pointer;
    font-weight: 700;
    margin-bottom: 10px;
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.advanced-grid label {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.advanced-grid small {
    color: var(--muted);
    line-height: 1.35;
}

/* Grouped sidebar navigation */
.nav-grouped {
    gap: 8px;
}

.nav-section {
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.30);
    overflow: hidden;
}

.nav-section summary {
    cursor: pointer;
    list-style: none;
    padding: 8px 10px;
    color: #dbeafe;
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.nav-section summary::-webkit-details-marker {
    display: none;
}

.nav-section summary::after {
    content: "▾";
    float: right;
    color: var(--muted);
    font-size: 0.72rem;
}

.nav-section:not([open]) summary::after {
    content: "▸";
}

.nav-section-links {
    display: grid;
    gap: 3px;
    padding: 5px;
}

.nav-section-links a,
.nav-section-links .nav-disabled {
    display: block;
    padding: 7px 9px;
    border-radius: 9px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.80rem;
    line-height: 1.15;
    border: 1px solid transparent;
}

.nav-section-links a:hover {
    color: #ffffff;
    background: var(--nav-hover);
    border-color: rgba(56, 189, 248, 0.16);
}

.nav-section-links a.active {
    color: #e0f2fe;
    background: var(--nav-active);
    border-color: rgba(56, 189, 248, 0.25);
}

.nav-disabled {
    opacity: 0.62;
    cursor: not-allowed;
}

.nav-disabled small {
    float: right;
    opacity: 0.75;
    font-size: 0.64rem;
    text-transform: uppercase;
}

.nav-tree .nav-indent-1,
.nav-indent-1 {
    margin-left: 8px;
}

.nav-tree .nav-indent-2,
.nav-indent-2 {
    margin-left: 16px;
}

.nav-tree .nav-indent-3,
.nav-indent-3 {
    margin-left: 24px;
}

.sidebar-footer {
    margin-top: auto;
    display: grid;
    gap: 10px;
}

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

.compact-card {
    padding: 18px;
    border-radius: 18px;
}

.compact-table th,
.compact-table td {
    padding: 10px 12px;
}

.empty-state {
    border: 1px dashed var(--line);
    border-radius: 16px;
    padding: 18px;
    color: var(--muted);
    background: rgba(15, 23, 42, 0.35);
}

@media (max-width: 1050px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--line);
    }

    .main {
        padding: 18px;
    }
}


/* Remote Access workflow */
.workflow-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.75fr);
    gap: 16px;
    margin-bottom: 16px;
}

.access-primary {
    border-color: rgba(56, 189, 248, 0.30);
}

.access-secondary {
    background: rgba(17, 24, 39, 0.72);
}

.card-kicker {
    color: var(--accent);
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.compact-form {
    gap: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.target-summary {
    border: 1px solid rgba(34, 197, 94, 0.20);
    border-radius: 14px;
    padding: 10px 12px;
    background: rgba(34, 197, 94, 0.08);
    color: #bbf7d0;
    font-size: 0.82rem;
    font-weight: 800;
}

.access-help {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--muted);
    font-size: 0.74rem;
}

.access-help span,
.detail-chip {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(56, 189, 248, 0.18);
    border-radius: 999px;
    padding: 4px 8px;
    background: rgba(56, 189, 248, 0.08);
    color: #bfdbfe;
    font-size: 0.72rem;
    font-weight: 800;
}

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

.details-panel summary {
    cursor: pointer;
    color: var(--text);
    font-weight: 900;
    list-style: none;
}

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

.details-panel summary::after {
    content: "▾";
    float: right;
    color: var(--muted);
}

.details-panel:not([open]) summary::after {
    content: "▸";
}

.details-table {
    margin-top: 14px;
}

@media (max-width: 1150px) {
    .workflow-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}\n\n
/* Compact inventory pages */
.compact-filter {
    grid-template-columns: minmax(260px, 1.8fr) repeat(3, minmax(140px, 1fr)) auto;
    align-items: end;
}

.row-actions {
    position: relative;
    display: inline-block;
}

.row-actions summary {
    cursor: pointer;
    list-style: none;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 900;
}

.row-actions summary::-webkit-details-marker {
    display: none;
}

.row-action-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
    min-width: 220px;
}

@media (max-width: 1150px) {
    .compact-filter {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 760px) {
    .compact-filter {
        grid-template-columns: 1fr;
    }
}
\n


.compact-filter-sites {
    grid-template-columns: minmax(260px, 1.8fr) minmax(140px, 0.8fr) minmax(120px, 0.6fr) auto;
    align-items: end;
}

@media (max-width: 900px) {
    .compact-filter-sites {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 760px) {
    .compact-filter-sites {
        grid-template-columns: 1fr;
    }
}


/* Dashboard polish */
.dashboard-metrics .metric-link {
    text-decoration: none;
    color: inherit;
}

.metric-link:hover {
    border-color: rgba(56, 189, 248, 0.28);
    transform: translateY(-1px);
}

.dashboard-action-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.action-card {
    text-decoration: none;
    color: inherit;
    min-height: 150px;
}

.action-card:hover {
    border-color: rgba(56, 189, 248, 0.28);
    transform: translateY(-1px);
}

.demo-flow {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.demo-flow > div {
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 16px;
    padding: 14px;
    background: rgba(15, 23, 42, 0.35);
}

.flow-step {
    display: inline-flex;
    width: 26px;
    height: 26px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.14);
    color: #bfdbfe;
    font-weight: 900;
    margin-right: 8px;
}

@media (max-width: 1150px) {
    .dashboard-action-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .demo-flow {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .dashboard-action-grid {
        grid-template-columns: 1fr;
    }
}


/* Monitoring polish */
.monitoring-metrics {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.monitoring-metrics .metric-card {
    padding: 18px;
}

.monitoring-metrics .metric-value {
    font-size: 26px;
}

@media (max-width: 1300px) {
    .monitoring-metrics {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .monitoring-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}


/* Detail page polish */
.detail-metrics {
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.detail-metrics .metric-card {
    padding: 16px;
}

.detail-metrics .metric-value {
    font-size: 22px;
}

@media (max-width: 1300px) {
    .detail-metrics {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .detail-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}


.site-metrics {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.site-metrics .metric-card {
    padding: 16px;
}

.site-metrics .metric-value {
    font-size: 24px;
}

@media (max-width: 1100px) {
    .site-metrics {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .site-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* v0.8.6 manager/demo dashboard */
.dashboard-hero {
    align-items: stretch;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.hero-badges span,
.version-card {
    border: 1px solid rgba(56, 189, 248, 0.18);
    background: rgba(14, 165, 233, 0.08);
    color: #bfdbfe;
    border-radius: 999px;
    padding: 7px 10px;
    font-size: 0.76rem;
    font-weight: 800;
}

.version-card {
    display: flex;
    min-width: 260px;
    flex-direction: column;
    justify-content: center;
    border-radius: 20px;
    padding: 16px 18px;
    background: rgba(15, 23, 42, 0.58);
}

.version-card span {
    color: var(--muted);
    font-size: 0.76rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.version-card strong {
    margin-top: 6px;
    color: #e2e8f0;
    font-size: 1rem;
}

.version-card small {
    color: var(--muted);
}

.metric-subtext {
    margin-top: 6px;
    color: var(--muted);
    font-size: 0.76rem;
}

.dashboard-split {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
    gap: 16px;
}

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

.activity-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 16px;
    padding: 12px;
    background: rgba(15, 23, 42, 0.35);
}

.activity-item strong,
.activity-item span {
    display: block;
}

.activity-item div > span {
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.78rem;
}

@media (max-width: 1150px) {
    .dashboard-split {
        grid-template-columns: 1fr;
    }

    .version-card {
        min-width: 0;
    }
}

/* v0.8.7 metric history graph */
.metric-history-chart-wrap {
    display: grid;
    gap: 12px;
}

.metric-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 800;
}

.metric-chart-legend span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.metric-line-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    display: inline-block;
}

.metric-chart-stage {
    position: relative;
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.34);
    padding: 10px;
    overflow: hidden;
}

.metric-history-chart {
    width: 100%;
    min-height: 280px;
    display: block;
}

.metric-chart-grid {
    stroke: rgba(148, 163, 184, 0.16);
    stroke-width: 1;
}

.metric-chart-axis-label,
.metric-chart-time-label {
    fill: rgba(203, 213, 225, 0.70);
    font-size: 12px;
    font-weight: 700;
}

.metric-chart-time-label {
    text-anchor: middle;
}

.metric-chart-line {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.metric-chart-point {
    stroke: rgba(15, 23, 42, 0.95);
    stroke-width: 2;
    cursor: pointer;
}

.metric-line-cpu {
    stroke: #38bdf8;
    fill: #38bdf8;
    background: #38bdf8;
}

.metric-line-memory {
    stroke: #22c55e;
    fill: #22c55e;
    background: #22c55e;
}

.metric-line-disk {
    stroke: #f59e0b;
    fill: #f59e0b;
    background: #f59e0b;
}

.metric-chart-tooltip {
    position: absolute;
    z-index: 5;
    max-width: 260px;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 14px;
    background: rgba(2, 6, 23, 0.94);
    color: #e2e8f0;
    padding: 10px 12px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
    pointer-events: none;
    font-size: 0.78rem;
}

.metric-chart-tooltip strong,
.metric-chart-tooltip span {
    display: block;
}

.metric-chart-tooltip span {
    color: var(--muted);
    margin-top: 3px;
}

.metric-raw-data {
    margin-top: 14px;
}

/* v0.8.8 demo script page */
.demo-hero {
    align-items: stretch;
}

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

.demo-script-card {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
}

.script-step {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 189, 248, 0.14);
    border: 1px solid rgba(56, 189, 248, 0.24);
    color: #bfdbfe;
    font-weight: 900;
}

.talk-track {
    margin-top: 12px;
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 16px;
    padding: 12px;
    background: rgba(15, 23, 42, 0.34);
}

.talk-track strong,
.talk-track span {
    display: block;
}

.talk-track span {
    color: var(--muted);
    margin-top: 4px;
}

.demo-checklist,
.demo-ordered {
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--muted);
}

.demo-checklist li,
.demo-ordered li {
    margin-bottom: 8px;
}

.demo-ordered a {
    color: #bfdbfe;
    font-weight: 800;
    text-decoration: none;
}

.demo-ordered a:hover {
    text-decoration: underline;
}

.closing-statement {
    border: 1px solid rgba(56, 189, 248, 0.18);
    border-radius: 18px;
    background: rgba(14, 165, 233, 0.08);
    color: #dbeafe;
    padding: 16px;
    line-height: 1.7;
    font-weight: 700;
}

@media (max-width: 1050px) {
    .demo-script-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .demo-script-card {
        grid-template-columns: 1fr;
    }
}

/* v0.8.9 management health */
.management-health-card {
    border-color: rgba(56, 189, 248, 0.16);
}

.management-health-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.health-item {
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.30);
    padding: 12px;
}

.health-item-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 6px;
}

.health-item-title strong {
    color: var(--text);
}

.health-recommendation {
    margin-top: 8px;
    color: #bfdbfe;
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1.45;
}

.health-ok {
    border-color: rgba(34, 197, 94, 0.20);
}

.health-warning {
    border-color: rgba(245, 158, 11, 0.28);
}

.health-critical {
    border-color: rgba(239, 68, 68, 0.30);
}

.health-muted {
    opacity: 0.82;
}

.self-heal-box {
    margin-top: 14px;
    border: 1px solid rgba(245, 158, 11, 0.22);
    border-radius: 16px;
    background: rgba(245, 158, 11, 0.08);
    padding: 12px;
}

.self-heal-box strong,
.self-heal-box span {
    display: block;
}

.self-heal-box ul {
    margin: 8px 0 0;
    padding-left: 18px;
    color: var(--muted);
}

.self-heal-box li {
    margin-bottom: 6px;
}

.self-heal-ok {
    border-color: rgba(34, 197, 94, 0.22);
    background: rgba(34, 197, 94, 0.08);
}

@media (max-width: 900px) {
    .management-health-grid {
        grid-template-columns: 1fr;
    }
}

/* v0.9.0 group actions foundation */
.bulk-action-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 12px;
    margin: 14px 0;
    padding: 12px;
    border: 1px solid rgba(56, 189, 248, 0.16);
    border-radius: 16px;
    background: rgba(14, 165, 233, 0.06);
}

.bulk-action-bar label {
    min-width: 240px;
}

.bulk-action-bar .muted {
    align-self: center;
}

/* v0.9.1 group action history and selection UX */
.selected-count {
    align-self: center;
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.48);
    border: 1px solid rgba(148, 163, 184, 0.16);
    color: #dbeafe;
    font-size: 0.82rem;
    font-weight: 800;
}

.device-select-checkbox {
    width: 16px;
    height: 16px;
    accent-color: #38bdf8;
}

/* v1.1.0 UX foundation: technician-friendly global standards */
:root {
    --control-height: 40px;
    --control-height-primary: 44px;
    --radius-control: 12px;
    --warning: #fbbf24;
    --info: #60a5fa;
    --neutral: #64748b;
}

.nav-section summary {
    cursor: pointer;
    color: var(--text);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 10px 12px;
    border-radius: 12px;
    user-select: none;
}

.nav-section summary:hover {
    background: var(--nav-hover);
}

.nav-section-links {
    display: grid;
    gap: 4px;
    margin-top: 4px;
}

.nav a.active {
    color: var(--text);
    background: var(--nav-active);
    border-color: rgba(56, 189, 248, 0.32);
    font-weight: 800;
}

.nav-indent-1,
.nav-indent-2,
.nav-indent-3 {
    border-left: 1px solid rgba(148, 163, 184, 0.20);
    margin-left: 10px;
    padding-left: 8px;
}

.nav a,
.logout-form button,
button,
.small-button,
.small-link,
.inline-link {
    min-height: var(--control-height);
    touch-action: manipulation;
}

button,
.small-button,
.small-link,
.inline-link,
a.small-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: var(--radius-control);
    line-height: 1.2;
}

button.primary {
    min-height: var(--control-height-primary);
}

button.secondary,
.secondary,
.small-button {
    border: 1px solid var(--line);
    background: rgba(21, 31, 46, 0.92);
    color: var(--text);
    font-weight: 800;
    padding: 10px 14px;
    cursor: pointer;
}

button.secondary:hover,
.secondary:hover,
.small-button:hover {
    border-color: rgba(56, 189, 248, 0.35);
    background: var(--panel-2);
}

.small-link {
    min-height: 36px;
    padding: 8px 12px;
    border: 1px solid var(--line);
    background: rgba(21, 31, 46, 0.62);
    color: var(--text);
    font-size: 13px;
    font-weight: 800;
}

.small-link:hover {
    border-color: rgba(56, 189, 248, 0.42);
    background: var(--nav-hover);
}

.inline-link {
    justify-content: flex-start;
    min-height: 28px;
    padding: 0 2px;
    color: var(--accent);
    font-weight: 800;
}

.inline-link:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.danger-button {
    border-color: rgba(248, 113, 113, 0.45) !important;
    background: rgba(248, 113, 113, 0.10) !important;
    color: #fecaca !important;
}

.danger-button:hover {
    background: rgba(248, 113, 113, 0.18) !important;
}

.header-actions,
.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.compact-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.compact-table th {
    color: var(--muted);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.compact-table th,
.compact-table td {
    min-height: 40px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(38, 50, 68, 0.72);
    vertical-align: middle;
}

.compact-table tbody tr:hover {
    background: rgba(56, 189, 248, 0.045);
}

.pill,
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    line-height: 1;
    border: 1px solid rgba(148, 163, 184, 0.22);
}

.pill-online,
.badge-online {
    color: #bbf7d0;
    background: rgba(52, 211, 153, 0.13);
    border-color: rgba(52, 211, 153, 0.34);
}

.pill-warning,
.badge-warning {
    color: #fde68a;
    background: rgba(251, 191, 36, 0.13);
    border-color: rgba(251, 191, 36, 0.34);
}

.pill-error,
.badge-error {
    color: #fecaca;
    background: rgba(248, 113, 113, 0.13);
    border-color: rgba(248, 113, 113, 0.34);
}

.pill-muted,
.badge-muted {
    color: #cbd5e1;
    background: rgba(100, 116, 139, 0.14);
    border-color: rgba(148, 163, 184, 0.24);
}

.details-panel,
.advanced-options,
.row-actions {
    border-radius: 14px;
}

.details-panel > summary,
.advanced-options > summary,
.row-actions > summary {
    cursor: pointer;
    min-height: 40px;
    display: flex;
    align-items: center;
    font-weight: 900;
}

.row-actions > summary {
    color: var(--accent);
}

input,
select,
textarea {
    min-height: var(--control-height);
}

textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #0b1220;
    color: var(--text);
    padding: 12px 14px;
    font-size: 15px;
    outline: none;
}

textarea:focus {
    border-color: var(--accent);
}

@media (max-width: 920px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
        height: auto;
    }

    .page-header {
        flex-direction: column;
    }

    .grid,
    .dashboard-metrics,
    .dashboard-action-grid,
    .dashboard-split {
        grid-template-columns: 1fr;
    }
}

/* v1.1.1 Device Detail UX: technician troubleshooting layout */
.device-hero {
    align-items: flex-start;
}

.breadcrumb-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    margin: 10px 0 8px;
    font-size: 14px;
}

.breadcrumb-line strong {
    color: var(--text);
}

.device-primary-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.primary-link {
    border-color: rgba(56, 189, 248, 0.42);
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.20), rgba(14, 165, 233, 0.14));
    color: #e0f2fe;
}

.primary-link:hover {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.28), rgba(14, 165, 233, 0.22));
}

.device-technician-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
    gap: 18px;
    margin-bottom: 18px;
}

.device-status-main {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 8px 0 16px;
}

.device-status-main strong {
    font-size: 24px;
    letter-spacing: -0.03em;
}

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

.next-action-card h2 {
    margin-bottom: 8px;
}

.next-action-card .header-actions {
    margin-top: 16px;
}

.technician-metrics {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.technician-metrics .metric-value {
    font-size: 22px;
    word-break: break-word;
}

@media (max-width: 1200px) {
    .technician-metrics {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 920px) {
    .device-technician-grid,
    .technician-detail-grid,
    .technician-metrics {
        grid-template-columns: 1fr;
    }

    .device-primary-actions {
        justify-content: flex-start;
    }
}

/* v1.1.2 Remote Access UX: technician-first access workflow */
.remote-access-hero {
    align-items: flex-start;
}

.remote-access-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 18px;
}

.remote-access-metrics .metric-card {
    min-height: 118px;
}

.remote-technician-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 18px;
    margin-bottom: 18px;
}

.remote-step-list {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.remote-step-list > div {
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 14px;
    padding: 11px 12px;
    background: rgba(15, 23, 42, 0.54);
}

.remote-step-list strong,
.remote-step-list span {
    display: block;
}

.remote-step-list strong {
    color: var(--text);
    font-size: 0.86rem;
    margin-bottom: 3px;
}

.remote-step-list span {
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.45;
}

@media (max-width: 1200px) {
    .remote-access-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .remote-technician-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .remote-access-metrics {
        grid-template-columns: 1fr;
    }
}

/* v1.1.3 Devices List UX: technician-first inventory workflow */
.devices-hero {
    align-items: flex-start;
}

.devices-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 18px;
}

.devices-metrics .metric-card {
    min-height: 118px;
}

.devices-technician-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 18px;
    margin-bottom: 18px;
}

.devices-filter {
    margin-bottom: 16px;
}

.devices-bulk-action-bar {
    align-items: end;
    margin-bottom: 14px;
}

.devices-table .device-name-link {
    font-size: 0.94rem;
}

.muted-chip {
    border-color: rgba(148, 163, 184, 0.18);
    background: rgba(100, 116, 139, 0.10);
    color: #cbd5e1;
}

@media (max-width: 1200px) {
    .devices-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .devices-technician-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .devices-metrics {
        grid-template-columns: 1fr;
    }
}

/* v1.1.4 Site Detail UX: technician-first site workflow */
.site-detail-hero {
    align-items: flex-start;
}

.site-detail-metrics {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-bottom: 18px;
}

.site-detail-metrics .metric-card {
    min-height: 118px;
}

.site-technician-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 18px;
    margin-bottom: 18px;
}

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

.site-section-spacer {
    margin-top: 16px;
}

.site-danger-actions {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(148, 163, 184, 0.14);
}

@media (max-width: 1200px) {
    .site-detail-metrics {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .site-technician-grid,
    .site-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .site-detail-metrics {
        grid-template-columns: 1fr;
    }
}

/* v1.1.5 Group Actions UX: technician-first batch and result review */
.group-action-hero {
    align-items: flex-start;
}

.group-action-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 18px;
}

.group-action-metrics .metric-card {
    min-height: 118px;
}

.group-action-workflow-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 18px;
    margin-bottom: 18px;
}

.group-action-filter {
    margin-bottom: 16px;
}

.group-action-table td {
    vertical-align: top;
}

.group-action-table .badge {
    min-width: 42px;
}

@media (max-width: 1200px) {
    .group-action-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .group-action-workflow-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .group-action-metrics {
        grid-template-columns: 1fr;
    }
}

/* v1.1.6 Monitoring UX: technician-first fleet health workflow */
.monitoring-hero {
    align-items: flex-start;
}

.monitoring-page-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 18px;
}

.monitoring-alert-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 18px;
}

.monitoring-page-metrics .metric-card,
.monitoring-alert-metrics .metric-card {
    min-height: 118px;
}

.monitoring-workflow-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 18px;
    margin-bottom: 18px;
}

.monitoring-table td {
    vertical-align: top;
}

.monitoring-table .badge {
    margin-bottom: 4px;
}

@media (max-width: 1200px) {
    .monitoring-page-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .monitoring-workflow-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .monitoring-page-metrics,
    .monitoring-alert-metrics {
        grid-template-columns: 1fr;
    }
}

/* v1.1.7 Organisation Detail UX: hierarchy-first ownership workflow */
.organisation-detail-hero {
    align-items: flex-start;
}

.organisation-detail-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 18px;
}

.organisation-detail-metrics .metric-card {
    min-height: 118px;
}

.organisation-workflow-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 18px;
    margin-bottom: 18px;
}

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

.organisation-detail-grid .wide {
    grid-column: 1 / -1;
}

.organisation-table td {
    vertical-align: top;
}

@media (max-width: 1200px) {
    .organisation-detail-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .organisation-workflow-grid,
    .organisation-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .organisation-detail-metrics {
        grid-template-columns: 1fr;
    }
}

/* v1.1.8 Organisation Hierarchy UX: hierarchy-first list and create workflow */
.organisation-hierarchy-hero {
    align-items: flex-start;
}

.organisation-hierarchy-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 18px;
}

.organisation-hierarchy-metrics .metric-card {
    min-height: 118px;
}

.organisation-hierarchy-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 18px;
    margin-bottom: 18px;
}

.organisation-hierarchy-form {
    margin-top: 8px;
}

.organisation-hierarchy-table td {
    vertical-align: top;
}

@media (max-width: 1200px) {
    .organisation-hierarchy-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .organisation-hierarchy-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .organisation-hierarchy-metrics {
        grid-template-columns: 1fr;
    }
}