:root {
    --rtu-navy-950: #050d1f;
    --rtu-navy-900: #081735;
    --rtu-navy-850: #0b1d3e;
    --rtu-navy-800: #0d2348;
    --rtu-navy-750: #122b54;
    --rtu-blue: #5a9cff;
    --rtu-blue-strong: #3f83f8;
    --rtu-primary: var(--rtu-blue);
    --rtu-font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
    --rtu-cyan: #55d8ff;
    --rtu-text: #f5f8ff;
    --rtu-muted: #a7b6ce;
    --rtu-success: #43d29a;
    --rtu-warning: #ffbd59;
    --rtu-danger: #ff7280;
    --rtu-border: rgba(132, 171, 224, 0.24);
    --rtu-border-strong: rgba(132, 171, 224, 0.42);
    --rtu-glow: rgba(72, 151, 255, 0.28);
    --rtu-focus: #55d8ff;
    --rtu-surface: rgba(13, 35, 72, 0.78);
    --rtu-surface-solid: #0d2348;
    --rtu-surface-soft: rgba(5, 13, 31, 0.22);
    --rtu-surface-raised: rgba(18, 43, 84, 0.82);
    --rtu-surface-hover: rgba(90, 156, 255, 0.07);
    --rtu-surface-selected: rgba(90, 156, 255, 0.12);
    --rtu-surface-warning: rgba(255, 189, 89, 0.07);
    --rtu-table-surface: rgba(13, 35, 72, 0.52);
    --rtu-information-surface: rgba(8, 23, 53, 0.56);
    --rtu-list-row-surface: rgba(13, 35, 72, 0.52);
    --rtu-form-field-surface: transparent;
    --rtu-sheet-surface: rgba(8, 23, 53, 0.96);
    --rtu-module-surface: linear-gradient(150deg, rgba(18, 43, 84, 0.92), rgba(13, 35, 72, 0.64));
    --rtu-page-halo: radial-gradient(circle at 90% 0, rgba(56, 125, 236, 0.1), transparent 32rem);
    --rtu-map-surface: #07162f;
    --rtu-map-panel-surface: rgba(8, 23, 53, 0.96);
    --rtu-map-overlay-surface: #071a3a;
    --rtu-map-overlay-text: #f4f8ff;
    --rtu-map-overlay-muted: #b8c7dc;
    --rtu-map-overlay-success: #67e2ad;
    --rtu-message-surface: rgba(18, 43, 84, 0.82);
    --rtu-message-own-surface: rgba(63, 131, 248, 0.2);
    --rtu-composer-surface: rgba(8, 23, 53, 0.64);
    --rtu-success-bg: rgba(67, 210, 154, 0.08);
    --rtu-success-border: rgba(67, 210, 154, 0.34);
    --rtu-warning-bg: rgba(255, 189, 89, 0.07);
    --rtu-warning-border: rgba(255, 189, 89, 0.34);
    --rtu-danger-bg: rgba(255, 114, 128, 0.07);
    --rtu-danger-border: rgba(255, 114, 128, 0.32);
    --rtu-card-shadow: none;
    --rtu-floating-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    --rtu-muted-subtle: #6f83a3;
    --rtu-radius-control: 12px;
    --rtu-radius-card: 16px;
    --rtu-radius-dialog: 18px;
    --rtu-page-padding: 32px;
}

/* Web v3 exact-reference workspace surfaces (screens 24-41). */
.rtu-v3-grid {
    display: grid;
    gap: 14px;
}

.rtu-v3-grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rtu-v3-grid-three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.rtu-v3-grid-four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.rtu-v3-card {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--rtu-border);
    border-radius: var(--rtu-radius-card);
    background: var(--rtu-surface);
}

.rtu-v3-card.is-soft {
    background: var(--rtu-information-surface);
}

.rtu-v3-card.is-warning {
    border-color: var(--rtu-warning-border);
    background: var(--rtu-warning-bg);
}

.rtu-v3-card.is-danger {
    border-color: var(--rtu-danger-border);
    background: var(--rtu-danger-bg);
}

.rtu-v3-card.is-success {
    border-color: var(--rtu-success-border);
    background: var(--rtu-success-bg);
}

.rtu-v3-metric {
    display: grid;
    min-height: 107px;
    align-content: center;
    gap: 7px;
}

.rtu-v3-metric > span,
.rtu-v3-metric > small {
    color: var(--rtu-muted);
    font-size: .75rem;
}

.rtu-v3-metric > strong {
    color: var(--rtu-text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1;
}

.rtu-v3-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 12px;
    color: var(--rtu-text);
    font-size: 1.08rem;
    line-height: 1.25;
}

.rtu-v3-section-title .mud-icon-root {
    color: var(--rtu-blue);
}

.rtu-v3-form-stack,
.rtu-v3-list {
    display: grid;
    gap: 12px;
}

.rtu-v3-form-card,
.rtu-v3-help-card {
    min-height: 346px;
}

.rtu-v3-form-card .mud-input-control {
    margin: 0;
}

.rtu-v3-form-card .mud-input-outlined {
    min-height: 62px;
    border-radius: var(--rtu-radius-control);
}

.rtu-v3-form-card .mud-input-adornment .mud-icon-root {
    color: var(--rtu-muted);
}

.rtu-v3-list-row {
    display: flex;
    min-height: 66px;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--rtu-border);
    border-radius: 13px;
    background: var(--rtu-list-row-surface);
}

.rtu-v3-list-icon {
    display: grid;
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 11px;
    color: var(--rtu-blue);
    background: rgba(90, 156, 255, .1);
}

.rtu-v3-list-row > div {
    display: grid;
    min-width: 0;
    gap: 4px;
}

.rtu-v3-list-row strong {
    color: var(--rtu-text);
    font-size: .88rem;
    line-height: 1.2;
}

.rtu-v3-list-row small {
    color: var(--rtu-muted);
    font-size: .75rem;
    line-height: 1.35;
}

.rtu-v3-help-card > .mud-button-root {
    min-height: 42px;
    margin-top: 14px;
    border-radius: var(--rtu-radius-control);
    font-weight: 700;
}

.rtu-v3-inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 14px;
}

.rtu-v3-description {
    margin: 0 0 14px;
    color: var(--rtu-muted);
    font-size: .76rem;
    line-height: 1.5;
}

.rtu-v3-status {
    display: inline-flex;
    min-height: 26px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border: 1px solid var(--rtu-border-strong);
    border-radius: 999px;
    color: var(--rtu-muted);
    background: rgba(8, 23, 53, .58);
    font-size: .7rem;
    font-weight: 800;
    line-height: 1;
    white-space: nowrap;
}

.rtu-v3-status.is-success {
    border-color: var(--rtu-success-border);
    color: var(--rtu-success);
    background: var(--rtu-success-bg);
}

.rtu-v3-status.is-warning {
    border-color: var(--rtu-warning-border);
    color: var(--rtu-warning);
    background: var(--rtu-warning-bg);
}

.rtu-v3-status.is-danger {
    border-color: var(--rtu-danger-border);
    color: var(--rtu-danger);
    background: var(--rtu-danger-bg);
}

.rtu-v3-download-button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 18px;
    border: 1px solid var(--rtu-border-strong);
    border-radius: var(--rtu-radius-control);
    color: var(--rtu-text);
    font-size: .82rem;
    font-weight: 800;
    text-decoration: none;
}

.rtu-v3-download-button:hover {
    border-color: var(--rtu-blue);
    background: var(--rtu-surface-hover);
}

.rtu-v3-download-button.is-primary {
    border-color: var(--rtu-blue);
    color: #07162f;
    background: var(--rtu-blue);
}

.rtu-v3-table {
    overflow: hidden;
    border: 1px solid var(--rtu-border);
    border-radius: var(--rtu-radius-card);
    background: var(--rtu-surface);
}

.rtu-v3-table-header {
    display: grid;
    min-height: 34px;
    align-items: center;
    padding: 0 14px;
    color: var(--rtu-muted);
    font-size: .65rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.rtu-workspace-billing-v3 {
    display: grid;
    gap: 14px;
}

.rtu-workspace-billing-v3__sections {
    align-items: start;
}

.rtu-workspace-billing-v3__invoice-table .rtu-v3-table-header,
.rtu-workspace-billing-v3__invoice {
    grid-template-columns: 1.25fr .95fr .72fr .95fr auto;
}

.rtu-workspace-billing-v3__invoice {
    display: grid;
    min-height: 64px;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-top: 1px solid var(--rtu-border);
    color: var(--rtu-text);
    font-size: .7rem;
}

.rtu-workspace-billing-v3__invoice > strong {
    font-size: .72rem;
}

.rtu-workspace-billing-v3__invoice .mud-button-root {
    min-height: 34px;
    border-radius: 9px;
    font-size: .68rem;
    font-weight: 800;
}

.rtu-workspace-billing-v3__mobile-invoices {
    display: none;
}

@media (min-width: 1000px) {
    .rtu-workspace-billing-v3__invoice-table .rtu-v3-table-header,
    .rtu-workspace-billing-v3__invoice {
        grid-template-columns: 124px 94px 72px 92px minmax(92px, 1fr);
        gap: 6px;
    }

    .rtu-workspace-billing-v3__invoice .mud-button-root {
        min-width: 92px;
    }
}

.rtu-workspace-billing-v3__transaction {
    color: inherit;
    text-decoration: none;
}

.rtu-workspace-billing-v3__transaction > div {
    flex: 1 1 auto;
}

.rtu-payment-detail-v3-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.rtu-payment-detail-v3__card {
    min-height: 286px;
}

.rtu-payment-detail-v3__card > .mud-button-root {
    min-height: 42px;
    margin-top: 14px;
    border-radius: var(--rtu-radius-control);
    font-weight: 800;
}

.rtu-workspace-transaction-v3__summary,
.rtu-workspace-transaction-v3__details {
    min-height: 286px;
}

.rtu-workspace-transaction-v3__summary {
    display: grid;
    align-content: start;
    gap: 10px;
}

.rtu-workspace-transaction-v3__state {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--rtu-cyan);
    font-size: .76rem;
    font-weight: 800;
    text-transform: uppercase;
}

.rtu-workspace-transaction-v3__summary > strong {
    color: var(--rtu-text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.8rem;
    line-height: 1.1;
}

.rtu-workspace-transaction-v3__summary > p {
    margin: 0;
    color: var(--rtu-muted);
    font-size: .88rem;
}

.rtu-v3-detail-list {
    display: grid;
}

.rtu-v3-detail-list > div {
    display: grid;
    min-height: 43px;
    grid-template-columns: minmax(140px, .8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 12px;
    padding: 9px 0;
    border-bottom: 1px solid var(--rtu-border);
}

.rtu-v3-detail-list > div:last-child {
    border-bottom: 0;
}

.rtu-v3-detail-list span {
    color: var(--rtu-muted);
    font-size: .75rem;
}

.rtu-v3-detail-list dt {
    color: var(--rtu-muted);
    font-size: .75rem;
}

.rtu-v3-detail-list strong {
    min-width: 0;
    overflow-wrap: anywhere;
    color: var(--rtu-text);
    font-size: .8rem;
}

.rtu-v3-detail-list dd {
    min-width: 0;
    margin: 0;
    overflow: hidden;
    color: var(--rtu-text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: .8rem;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rtu-v3-responsive-table {
    overflow: hidden;
    border: 1px solid var(--rtu-border);
    border-radius: var(--rtu-radius-card);
    background: var(--rtu-table-surface);
}

.rtu-v3-table-header {
    display: grid;
    grid-template-columns: minmax(190px, 1.35fr) minmax(170px, 1.1fr) minmax(135px, .9fr) minmax(150px, 1fr) 150px;
    align-items: center;
    gap: 18px;
    min-height: 65px;
    padding: 0 14px;
    border-bottom: 1px solid var(--rtu-border);
}

.rtu-v3-table-header {
    min-height: 41px;
    color: var(--rtu-muted);
    background: rgba(5, 13, 31, .32);
    font-size: .65rem;
    letter-spacing: .05em;
    text-transform: uppercase;
}

@media (max-width: 900px) {
    .rtu-v3-grid-four {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .rtu-v3-grid-three {
        grid-template-columns: minmax(0, 1fr);
    }

}

@media (max-width: 599px) {
    .rtu-workspace-billing-v3 .rtu-v3-grid-four {
        grid-template-columns: minmax(0, 1fr);
    }

    .rtu-workspace-billing-v3__invoice-table {
        display: none;
    }

    .rtu-workspace-billing-v3__mobile-invoices {
        display: grid;
        gap: 10px;
    }

    .rtu-workspace-download-button {
        gap: 7px;
        padding-inline: 12px;
        font-size: .74rem;
        white-space: nowrap;
    }

    .rtu-workspace-billing-v3__mobile-invoices .rtu-v3-list-row {
        color: inherit;
        text-decoration: none;
    }

    .rtu-payment-detail-v3__card,
    .rtu-workspace-transaction-v3__summary,
    .rtu-workspace-transaction-v3__details {
        min-height: 0;
    }

    .rtu-workspace-transaction-v3 .rtu-v3-detail-list > div {
        min-height: 41px;
        padding-block: 8px;
    }

    .rtu-v3-grid-two,
    .rtu-v3-grid-three {
        grid-template-columns: minmax(0, 1fr);
    }

    .rtu-v3-card {
        padding: 14px;
    }

    .rtu-v3-metric {
        min-height: 76px;
    }

    .rtu-v3-metric > strong {
        font-size: 1.3rem;
    }

    .rtu-v3-form-card,
    .rtu-v3-help-card {
        min-height: 0;
    }

    .rtu-v3-detail-list > div {
        grid-template-columns: .86fr 1.14fr;
    }

}

/* Web v3 exact-reference account payments. */
.rtu-payment-v3-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin: 0 0 14px;
}

.rtu-payment-v3-metric {
    display: flex;
    min-width: 0;
    min-height: 107px;
    flex-direction: column;
    justify-content: center;
    padding: 16px 18px;
    border: 1px solid var(--rtu-border);
    border-radius: 15px;
    background: var(--rtu-surface);
}

.rtu-payment-v3-metric.is-due {
    border-color: rgba(249, 169, 51, .48);
    background: rgba(249, 169, 51, .075);
}

.rtu-payment-v3-metric.is-paid {
    border-color: rgba(28, 211, 159, .42);
    background: rgba(28, 211, 159, .07);
}

.rtu-payment-v3-metric.is-total {
    border-color: rgba(91, 158, 255, .34);
    background: rgba(91, 158, 255, .11);
}

.rtu-payment-v3-metric > span,
.rtu-payment-v3-metric > small {
    color: var(--rtu-muted);
    font-size: .78rem;
}

.rtu-payment-v3-metric > strong {
    margin: 4px 0;
    color: var(--rtu-text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.72rem;
    line-height: 1.08;
}

.rtu-payment-v3-list {
    overflow: hidden;
    border: 1px solid var(--rtu-border);
    border-radius: 15px;
    background: var(--rtu-surface);
}

.rtu-payment-v3-header,
.rtu-payment-v3-row {
    display: grid;
    grid-template-columns: minmax(190px, 1.35fr) minmax(140px, 1fr) minmax(110px, .78fr) minmax(120px, .95fr) 48px;
    gap: 18px;
    align-items: center;
    padding: 0 14px;
}

.rtu-payment-v3-header {
    min-height: 35px;
    border-bottom: 1px solid var(--rtu-border);
    color: var(--rtu-muted);
    font-size: .67rem;
    font-weight: 800;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.rtu-payment-v3-row {
    position: relative;
    min-height: 59px;
    border-bottom: 1px solid var(--rtu-border);
}

.rtu-payment-v3-row:last-child {
    border-bottom: 0;
}

.rtu-payment-v3-invoice {
    display: flex;
    min-width: 0;
    flex-direction: column;
}

.rtu-payment-v3-invoice strong,
.rtu-payment-v3-amount {
    overflow: hidden;
    color: var(--rtu-text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: .84rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rtu-payment-v3-invoice small {
    display: none;
}

.rtu-payment-v3-period,
.rtu-payment-v3-amount {
    font-size: .82rem;
}

.rtu-payment-v3-status {
    width: max-content;
    max-width: 100%;
    padding: 4px 9px;
    border: 1px solid var(--rtu-border);
    border-radius: 999px;
    color: var(--rtu-muted);
    font-size: .72rem;
    font-weight: 800;
    line-height: 1;
}

.rtu-payment-v3-status.is-due {
    border-color: rgba(249, 169, 51, .48);
    color: #ffbe4f;
    background: rgba(249, 169, 51, .08);
}

.rtu-payment-v3-status.is-paid {
    border-color: rgba(28, 211, 159, .42);
    color: #1cd39f;
    background: rgba(28, 211, 159, .07);
}

.rtu-payment-v3-status.is-error {
    border-color: rgba(255, 90, 103, .45);
    color: var(--rtu-danger);
}

.rtu-payment-v3-open {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-color: var(--rtu-border-strong) !important;
    color: var(--rtu-text) !important;
}

[data-testid="client-payments-page"] .rtu-page-actions .mud-button-root {
    border-color: var(--rtu-border-strong);
    color: var(--rtu-text);
}

.rtu-payment-v3-mobile-icon,
.rtu-payment-v3-mobile-link {
    display: none;
}

.rtu-payment-detail-v3-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.rtu-payment-detail-v3-panel {
    min-width: 0;
    min-height: 287px;
    padding: 18px;
    border: 1px solid var(--rtu-border);
    border-radius: 15px;
    background: var(--rtu-surface);
}

.rtu-payment-detail-v3-panel h2 {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 14px;
    color: var(--rtu-text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.08rem;
}

.rtu-payment-detail-v3-panel h2 .mud-icon-root {
    color: var(--rtu-blue);
}

.rtu-payment-detail-v3-list {
    margin: 0;
}

.rtu-payment-detail-v3-list > div {
    display: grid;
    grid-template-columns: minmax(135px, .7fr) minmax(0, 1fr);
    gap: 16px;
    min-height: 43px;
    align-items: center;
    border-bottom: 1px solid var(--rtu-border);
}

.rtu-payment-detail-v3-list > div:last-child {
    border-bottom: 0;
}

.rtu-payment-detail-v3-list dt {
    color: var(--rtu-muted);
    font-size: .78rem;
}

.rtu-payment-detail-v3-list dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--rtu-text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: .84rem;
    font-weight: 700;
}

.rtu-payment-detail-v3-panel > .mud-button-root {
    margin-top: 14px;
}

@media (max-width: 600px) {
    .rtu-payment-v3-metrics {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
    }

    .rtu-payment-v3-metric {
        box-sizing: border-box;
        height: 95px;
        min-height: 95px;
        padding: 14px;
    }

    .rtu-payment-v3-list {
        display: grid;
        gap: 10px;
        overflow: visible;
        border: 0;
        border-radius: 0;
        background: transparent;
    }

    .rtu-payment-v3-header {
        display: none;
    }

    .rtu-payment-v3-row {
        grid-template-columns: 38px minmax(0, 1fr) auto;
        gap: 12px;
        min-height: 66px;
        padding: 10px 14px;
        border: 1px solid var(--rtu-border);
        border-radius: 14px;
        background: var(--rtu-surface);
    }

    .rtu-payment-v3-mobile-icon {
        display: inline-flex;
        width: 38px;
        height: 38px;
        align-items: center;
        justify-content: center;
        border-radius: 11px;
        color: var(--rtu-blue);
        background: rgba(91, 158, 255, .13);
    }

    .rtu-payment-v3-invoice small {
        display: block;
        overflow: hidden;
        color: var(--rtu-muted);
        font-size: .75rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .rtu-payment-v3-period,
    .rtu-payment-v3-amount,
    .rtu-payment-v3-open {
        display: none !important;
    }

    .rtu-payment-v3-mobile-link {
        position: absolute;
        z-index: 1;
        inset: 0;
        display: block;
        border-radius: inherit;
    }

    .rtu-payment-v3-status {
        position: relative;
        z-index: 2;
    }

    .rtu-payment-detail-v3-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .rtu-payment-detail-v3-panel {
        min-height: 0;
        padding: 14px;
    }

    .rtu-payment-detail-v3-list > div {
        grid-template-columns: minmax(108px, .65fr) minmax(0, 1fr);
        min-height: 43px;
    }

    [data-testid="client-payments-page"] .rtu-page-actions .mud-button-root,
    [data-testid="client-payment-page"] .rtu-page-actions .mud-button-root {
        width: 177px;
        min-width: 177px;
        padding-inline: 12px;
        font-size: .72rem !important;
        font-weight: 800;
    }

    [data-testid="client-payments-page"] .rtu-page-actions .mud-button-label,
    [data-testid="client-payment-page"] .rtu-page-actions .mud-button-label {
        white-space: nowrap;
    }

    [data-testid="client-payments-page"] .rtu-page-actions .mud-icon-root,
    [data-testid="client-payment-page"] .rtu-page-actions .mud-icon-root {
        font-size: 1rem !important;
    }

    .rtu-payment-detail-v3-list > div {
        grid-template-columns: 135px minmax(0, 1fr);
    }

    .rtu-payment-detail-v3-panel > .mud-button-root {
        width: 223px;
        min-width: 223px;
        min-height: 42px;
        font-size: .95rem;
        font-weight: 800;
    }
}

html[data-theme="dark"] {
    color-scheme: dark;
}

html[data-theme="light"] {
    color-scheme: light;
    --rtu-navy-950: #f4f7fb;
    --rtu-navy-900: #ffffff;
    --rtu-navy-850: #ffffff;
    --rtu-navy-800: #f8fafc;
    --rtu-navy-750: #eef4ff;
    --rtu-blue: #155eef;
    --rtu-blue-strong: #0b4dd8;
    --rtu-cyan: #087ea4;
    --rtu-text: #172033;
    --rtu-muted: #4b5b70;
    --rtu-success: #067647;
    --rtu-warning: #b54708;
    --rtu-danger: #b42318;
    --rtu-border: #d5dee9;
    --rtu-border-strong: #aab8c8;
    --rtu-glow: rgba(21, 94, 239, 0.16);
    --rtu-focus: #2e90fa;
    --rtu-surface: #ffffff;
    --rtu-surface-solid: #ffffff;
    --rtu-surface-soft: #f8fafc;
    --rtu-surface-raised: #ffffff;
    --rtu-surface-hover: #f4f7fb;
    --rtu-surface-selected: #eef4ff;
    --rtu-surface-warning: #fffaeb;
    --rtu-table-surface: #ffffff;
    --rtu-information-surface: #ffffff;
    --rtu-list-row-surface: #ffffff;
    --rtu-form-field-surface: #ffffff;
    --rtu-sheet-surface: rgba(255, 255, 255, 0.98);
    --rtu-module-surface: linear-gradient(150deg, #ffffff, #f8fafc);
    --rtu-page-halo: radial-gradient(circle at 90% 0, rgba(21, 94, 239, 0.08), transparent 32rem);
    --rtu-map-surface: #e7edf5;
    --rtu-map-panel-surface: rgba(255, 255, 255, 0.97);
    --rtu-map-overlay-surface: #ffffff;
    --rtu-map-overlay-text: #172033;
    --rtu-map-overlay-muted: #4b5b70;
    --rtu-map-overlay-success: #067647;
    --rtu-message-surface: #f2f4f7;
    --rtu-message-own-surface: #eef4ff;
    --rtu-composer-surface: #f8fafc;
    --rtu-success-bg: #ecfdf3;
    --rtu-success-border: #abefc6;
    --rtu-warning-bg: #fffaeb;
    --rtu-warning-border: #fedf89;
    --rtu-danger-bg: #fef3f2;
    --rtu-danger-border: #fecdca;
    --rtu-card-shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
    --rtu-floating-shadow: 0 8px 24px rgba(16, 24, 40, 0.1);
    --rtu-muted-subtle: #667085;
}

html,
body {
    min-width: 320px;
    min-height: 100%;
    background: var(--rtu-navy-950);
}

body {
    margin: 0;
    overflow-x: hidden;
    color: var(--rtu-text);
    font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

a {
    color: inherit;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--rtu-focus);
    outline-offset: 2px;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

.rtu-touch-target {
    min-width: 44px !important;
    min-height: 44px !important;
}

.rtu-text-success {
    color: var(--rtu-success);
}

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

.rtu-text-error {
    color: var(--rtu-danger);
}

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

/* Brand */

.rtu-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: var(--rtu-text);
    text-decoration: none;
}

.rtu-brand-mark {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.rtu-brand-lockup {
    width: min(178px, 48vw);
    height: auto;
    object-fit: contain;
}

.rtu-brand-name {
    display: grid;
    line-height: 1;
}

.rtu-brand-name strong {
    font-size: 13px;
    letter-spacing: 0.08em;
}

.rtu-brand-name small {
    margin-top: 4px;
    color: var(--rtu-muted);
    font-size: 9px;
    letter-spacing: 0.2em;
}

.client-theme-menu {
    position: relative;
    display: inline-flex;
    min-width: 0;
}

.client-theme-menu__trigger {
    display: inline-flex;
    box-sizing: border-box;
    width: auto;
    min-width: 44px;
    max-width: min(12rem, calc(100vw - 1rem));
    height: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    border-radius: 999px;
    padding-inline: 12px;
    border: 1px solid var(--rtu-border);
    color: var(--rtu-color-primary-strong);
    background: rgba(90, 156, 255, 0.1);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: none;
    cursor: pointer;
    white-space: nowrap;
}

.client-theme-menu__label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.client-theme-menu__trigger > .mud-icon-root {
    display: block;
    flex: 0 0 auto;
    margin: 0;
    line-height: 1;
}

.client-theme-menu__trigger:hover,
.client-theme-menu__trigger:focus-visible {
    border-color: var(--rtu-border-strong);
    background: rgba(90, 156, 255, 0.16);
}

.client-theme-menu__popover {
    position: absolute;
    z-index: 1500;
    top: calc(100% + 0.5rem);
    right: 0;
    width: min(18rem, calc(100vw - 1rem));
    max-width: calc(100vw - 1rem);
    min-width: min(12rem, calc(100vw - 1rem));
    box-sizing: border-box;
    border: 1px solid var(--rtu-color-border);
    border-radius: var(--rtu-radius-control);
    background: var(--rtu-color-surface);
    box-shadow: var(--rtu-client-popover-shadow);
    overflow: hidden;
}

.client-theme-menu__options {
    display: grid;
    padding: 0.375rem;
    background: var(--rtu-color-surface);
}

.client-theme-menu__option {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 0.5rem 0.75rem;
    border-radius: calc(var(--rtu-radius-control) - 0.25rem);
    color: var(--rtu-color-text);
    border: 0;
    background: transparent;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.client-theme-menu__option-content {
    display: grid;
    width: 100%;
    min-width: 0;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 0.625rem;
}

.client-theme-menu__option-content > span {
    min-width: 0;
    overflow-wrap: anywhere;
    white-space: normal;
}

.client-theme-menu__option:hover,
.client-theme-menu__option:focus-visible,
.client-theme-menu__option--selected {
    color: var(--rtu-color-primary-strong);
    background: var(--rtu-surface-selected);
}

.client-theme-menu__option:focus-visible {
    outline: 3px solid var(--rtu-focus);
    outline-offset: -3px;
}

.client-settings__theme-popover {
    border: 1px solid var(--rtu-border-strong);
    border-radius: var(--rtu-radius-control);
    background: var(--rtu-surface-solid);
    box-shadow: var(--rtu-client-popover-shadow);
    overflow: hidden;
}

.client-settings__theme-options {
    padding: 0.375rem;
    background: var(--rtu-surface-solid);
}

.client-settings__theme-options .mud-list-item {
    min-height: 44px;
    border-radius: calc(var(--rtu-radius-control) - 0.25rem);
}

.client-settings__theme-options .mud-list-item:hover,
.client-settings__theme-options .mud-list-item:focus-visible,
.client-settings__theme-options .mud-selected-item {
    background: var(--rtu-surface-selected);
}

/* Client-only switch geometry. The 20px thumb stays centered inside the
   20px track while the label remains a stable 48px interaction target. */
.client-switch-action {
    display: inline-flex;
    width: 48px;
    min-width: 48px;
    height: 48px;
    min-height: 48px;
    flex: 0 0 48px;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.client-switch-action .mud-switch {
    display: inline-flex;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.client-switch-action .mud-switch-span {
    width: 48px;
    height: 28px;
    padding: 4px;
}

.client-switch-action .mud-switch-base-medium.mud-switch-base {
    top: 0;
    left: 0;
    width: 28px !important;
    min-width: 28px !important;
    height: 28px !important;
    min-height: 28px !important;
    box-sizing: border-box;
    padding: 4px !important;
}

.client-switch-action .mud-icon-button-label,
.client-switch-action .mud-switch-thumb-medium {
    width: 20px;
    min-width: 20px;
    height: 20px;
    min-height: 20px;
    flex: 0 0 20px;
    border-radius: 50%;
}

.client-switch-action .mud-switch-thumb-medium {
    display: block;
    overflow: hidden;
}

.client-switch-action .mud-switch-track {
    border-radius: 10px;
}

.client-switch-action .mud-switch-base.mud-checked {
    transform: translateX(20px);
}

.client-switch-action:focus-within {
    border-radius: var(--rtu-radius-pill);
    outline: 3px solid var(--rtu-color-focus);
    outline-offset: 2px;
}

/* Reusable list and state primitives retained by authenticated Client pages. */

.rtu-list-icon,
.rtu-module-icon,
.rtu-device-icon,
.rtu-auth-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    border: 1px solid var(--rtu-border);
    border-radius: 13px;
    color: var(--rtu-cyan);
    background: linear-gradient(145deg, rgba(90, 156, 255, 0.16), rgba(85, 216, 255, 0.05));
}

.rtu-list-copy,
.rtu-device-copy {
    display: grid;
    min-width: 0;
    gap: 4px;
}

.rtu-list-copy strong,
.rtu-device-copy strong {
    color: var(--rtu-text);
    font-size: 12px;
}

.rtu-list-copy small,
.rtu-device-copy small {
    margin-top: 4px;
    color: var(--rtu-muted);
    font-size: 10px;
    line-height: 1.35;
}

.rtu-center-state {
    width: min(520px, calc(100% - 32px));
    display: grid;
    place-items: center;
    gap: 14px;
    margin: auto;
    padding: 34px;
    border: 1px solid var(--rtu-border);
    border-radius: 16px;
    background: var(--rtu-surface);
    text-align: center;
}

.rtu-center-state--danger {
    border-color: rgba(255, 114, 128, 0.35);
    background: var(--rtu-danger-bg);
}

.rtu-center-state-icon {
    width: 68px;
    height: 68px;
    display: grid;
    place-items: center;
    border-radius: 20px;
    color: var(--rtu-blue);
    background: rgba(90, 156, 255, 0.1);
}

.rtu-center-state--danger .rtu-center-state-icon {
    color: var(--rtu-danger);
    background: rgba(255, 114, 128, 0.1);
}

.rtu-center-state-icon .mud-icon-root {
    width: 48px;
    height: 48px;
    font-size: 48px;
}

.rtu-center-state h1 {
    margin: 0;
    font-size: 28px;
}

.rtu-center-state p {
    max-width: 420px;
    margin: 0;
    color: var(--rtu-muted);
    line-height: 1.5;
}

.rtu-inline-actions {
    display: flex;
    align-items: center;
    gap: 9px;
}

.rtu-inline-actions .mud-button-root {
    min-height: 42px;
    text-transform: none;
}

/* Authenticated shell */

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

.rtu-page-frame {
    width: 100%;
    max-width: 1540px;
    min-height: calc(100dvh - var(--client-shell-topbar-height));
    margin: 0 auto;
    padding: 26px 30px 28px;
}

.client-app-shell .rtu-page-frame,
.client-app-shell .rtu-page-frame button,
.client-app-shell .rtu-page-frame input,
.client-app-shell .rtu-page-frame textarea,
.client-app-shell .rtu-page-frame select,
.client-app-shell .rtu-page-frame h1,
.client-app-shell .rtu-page-frame h2,
.client-app-shell .rtu-page-frame h3,
.client-app-shell .rtu-page-frame strong,
.client-app-shell .rtu-page-frame .mud-button-label {
    font-family: var(--rtu-font-family) !important;
}

.client-app-shell .mud-button-root {
    min-height: 40px;
    border-radius: var(--rtu-radius-control) !important;
    font-family: var(--rtu-font-family);
    font-weight: 700;
}

body .mud-dialog {
    width: min(520px, calc(100vw - 32px));
    min-width: min(440px, calc(100vw - 32px));
    overflow: hidden;
    border: 1px solid var(--rtu-border-strong);
    border-radius: var(--rtu-radius-dialog) !important;
    background: var(--rtu-surface-solid);
}

body .mud-dialog .mud-dialog-title,
body .mud-dialog .mud-dialog-content,
body .mud-dialog .mud-dialog-actions {
    font-family: var(--rtu-font-family);
}

body .mud-dialog .mud-dialog-actions {
    gap: 10px;
    padding: 16px 24px 22px;
}

body .mud-dialog .mud-button-root {
    min-height: var(--rtu-touch-target-min);
    border-radius: var(--rtu-radius-control) !important;
}

@media (max-width: 599px) {
    body .client-risk-dialog .mud-dialog-actions {
        flex-wrap: nowrap;
    }

    body .client-risk-dialog .mud-dialog-actions .mud-button-root:first-child {
        min-width: 6rem;
        flex: 0 0 6rem;
        margin: 0;
    }

    body .client-risk-dialog .mud-dialog-actions .mud-button-root:last-child {
        min-width: 0;
        flex: 1 1 auto;
        margin: 0;
    }

    body .client-risk-dialog .mud-dialog-actions .mud-button-label {
        white-space: normal;
        overflow-wrap: anywhere;
    }

    body .client-risk-dialog .mud-dialog-actions .mud-button-root:first-child .mud-button-label {
        white-space: nowrap;
    }
}

@media (max-width: 359.98px) {
    body .mud-dialog.client-risk-dialog {
        width: calc(100vw - 8px);
        min-width: calc(100vw - 8px);
        max-height: calc(100dvh - 8px);
    }

    body .client-risk-dialog .mud-dialog-title {
        flex: 0 0 auto;
        padding: 12px 8px 8px 12px;
    }

    body .client-risk-dialog .mud-dialog-content {
        min-height: 0;
        padding: 8px 12px;
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    body .client-risk-dialog .mud-dialog-actions {
        flex: 0 0 auto;
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 16px;
    }

    body .client-risk-dialog .mud-dialog-actions .mud-button-root:first-child,
    body .client-risk-dialog .mud-dialog-actions .mud-button-root:last-child {
        width: 100%;
        min-width: 0;
        flex: 1 1 auto;
    }

    body .client-risk-dialog .mud-dialog-actions .mud-button-root:first-child {
        order: 2;
    }

    body .client-risk-dialog .mud-dialog-actions .mud-button-label {
        font-size: .8125rem;
        line-height: 1.25;
    }
}

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

.client-app-shell .mud-button-root {
    text-transform: none;
}

.rtu-page-heading {
    min-width: 0;
}

.rtu-page-heading h1 {
    margin-bottom: 6px;
    font-size: clamp(26px, 3vw, 32px);
    line-height: 1.12;
    letter-spacing: -0.025em;
}

.rtu-page-heading p {
    margin: 0;
    color: var(--rtu-muted);
    font-size: 14px;
}

.rtu-page-back {
    min-height: var(--rtu-touch-target-min) !important;
    height: auto;
    margin: 0 0 4px -2px !important;
    padding: .5rem 0 !important;
    color: var(--rtu-muted) !important;
}

.client-authenticated-shell:not(.client-viewport--mobile) .rtu-page-back--mobile-only {
    display: none !important;
}

.rtu-page-actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 10px;
}

.rtu-page-alert,
.rtu-page-search {
    margin-bottom: 20px !important;
}

.rtu-list-panel,
.rtu-responsive-list,
.rtu-admin-list,
.rtu-form-panel,
.rtu-settings-list,
.rtu-device-detail-hero,
.rtu-detail-tabs-panel {
    overflow: hidden;
    border: 1px solid var(--rtu-border);
    border-radius: var(--rtu-radius-card) !important;
    background: var(--rtu-surface) !important;
}

/* Shared statuses and state blocks */

.rtu-status,
.rtu-paid-status {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid var(--rtu-border);
    border-radius: 999px;
    font-size: 12px;
    font-style: normal;
    font-weight: 700;
    white-space: nowrap;
}

.rtu-status > span:last-child,
.rtu-status__label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rtu-status-online,
.rtu-paid-status {
    color: var(--rtu-success);
    border-color: var(--rtu-success-border);
    background: var(--rtu-success-bg);
}

.rtu-status-offline,
.rtu-status-disabled {
    color: var(--rtu-danger);
    border-color: var(--rtu-danger-border);
    background: var(--rtu-danger-bg);
}

.rtu-status-degraded,
.rtu-status-stale,
.rtu-status-unconfigured {
    color: var(--rtu-warning);
    border-color: var(--rtu-warning-border);
    background: var(--rtu-warning-bg);
}

.rtu-state-block {
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--rtu-muted);
}

.rtu-state-block strong {
    display: block;
    margin-bottom: 4px;
    color: var(--rtu-text);
}

.rtu-state-block p {
    margin: 0;
}

.rtu-empty-state {
    min-height: 300px;
    display: grid;
    place-content: center;
    justify-items: center;
    padding: 40px 24px;
    border: 1px dashed var(--rtu-border-strong);
    border-radius: var(--rtu-radius-card) !important;
    color: var(--rtu-muted);
    text-align: center;
    background: var(--rtu-surface-soft) !important;
}

.rtu-empty-state h2 {
    margin: 14px 0 8px;
    color: var(--rtu-text);
    font-size: 20px;
}

.rtu-empty-state p {
    max-width: 480px;
    margin-bottom: 0;
}

.rtu-state-actions {
    margin-top: 16px;
}

.rtu-error-state {
    margin-bottom: 20px;
}

.rtu-alert-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.rtu-alert-content p {
    margin: 4px 0 0;
}

.client-app-shell .rtu-page-frame .mud-alert-position {
    gap: 0.75rem;
}

.client-app-shell .rtu-page-frame .mud-alert-message {
    min-width: 0;
}

@media (max-width: 599.98px) {
    .rtu-alert-content {
        align-items: stretch;
        flex-direction: column;
        gap: 12px;
    }

    .rtu-alert-content > .mud-button-root {
        width: 100%;
    }

    .rtu-alert-content > .mud-button-root .mud-button-label {
        white-space: nowrap;
    }
}

/* Devices */

.rtu-device-toolbar {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) auto;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
    margin-bottom: 14px;
}

.rtu-device-search .mud-input {
    height: 48px;
    min-height: 48px;
}

.rtu-device-search .mud-input-root {
    padding-top: 12px;
    padding-bottom: 12px;
}

.rtu-quick-filters,
.rtu-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.rtu-filter-row {
    margin-bottom: 16px;
}

.rtu-quick-filters .mud-button-root,
.rtu-filter-row .mud-button-root {
    height: 34px;
    min-height: 34px;
    border-radius: 999px;
}

.rtu-device-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 13px;
}

.rtu-device-grid-surface {
    overflow: visible;
    border: 0;
    background: transparent !important;
}

.rtu-device-item {
    min-width: 0;
    min-height: 210px;
    height: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: 10px;
    padding: 18px;
    border: 1px solid var(--rtu-border);
    border-radius: var(--rtu-radius-card) !important;
    background: var(--rtu-surface) !important;
    transition: background 160ms ease, border-color 160ms ease;
}

.rtu-device-item:hover {
    border-color: var(--rtu-border-strong);
    background: var(--rtu-surface-hover) !important;
}

.rtu-device-item.is-offline {
    border-color: var(--rtu-danger-border);
    background: var(--rtu-surface) !important;
}

.rtu-device-identity {
    min-width: 0;
    display: block;
    color: inherit;
    text-decoration: none;
}

.rtu-device-identity:hover strong {
    color: var(--rtu-cyan);
}

.rtu-device-last-seen {
    color: var(--rtu-muted);
    font-size: 13px;
}

.rtu-device-relay-active {
    align-self: flex-start;
}

.rtu-device-item .rtu-device-copy small {
    min-height: 34px;
    font-size: 12px;
}

.rtu-device-item .rtu-device-copy strong {
    font-size: 16px;
}

.rtu-device-card-head {
    min-height: 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.rtu-device-card-head-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.rtu-device-details-icon.rtu-touch-target,
.rtu-device-workspace-details-icon.rtu-touch-target {
    width: 36px;
    height: 36px;
    min-width: 36px !important;
    min-height: 36px !important;
    padding: 6px;
    border: 1px solid var(--rtu-border-strong);
    border-radius: 50%;
    background: var(--rtu-information-surface);
}

.rtu-device-workspace-details-icon.rtu-touch-target {
    background: var(--rtu-surface-raised);
}

.rtu-device-actions .mud-button-label,
.rtu-page-actions .mud-button-label {
    font-size: 16px;
    font-weight: 800;
}

.rtu-device-actions {
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    align-self: end;
    align-items: start;
    margin-top: auto;
}

.rtu-command-area {
    min-width: 0;
    display: grid;
    gap: 6px;
}

.rtu-command-button {
    min-height: var(--rtu-touch-target-min);
    border-radius: var(--rtu-radius-control) !important;
}

.rtu-command-button .mud-button-label {
    font-weight: 800;
}

.rtu-device-manage-button {
    min-height: var(--rtu-touch-target-min);
    border-radius: 12px !important;
}

.rtu-command-message {
    color: var(--rtu-muted);
    font-size: 11px;
    line-height: 1.3;
}

.rtu-command-message.is-success {
    color: var(--rtu-success);
}

.rtu-command-message.is-error {
    color: var(--rtu-danger);
}

.rtu-device-skeleton {
    grid-template-columns: 44px minmax(0, 1fr);
}

.rtu-device-skeleton > :nth-child(n + 3) {
    grid-column: 1 / -1;
}

.rtu-skeleton-copy {
    display: grid;
    gap: 8px;
}

.rtu-device-detail-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 16px;
    padding: 18px;
}

.rtu-detail-tabs-panel {
    padding: 0;
}

.rtu-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    padding: 18px;
}

.rtu-detail-section {
    padding: 18px;
    border: 1px solid var(--rtu-border);
    border-radius: 14px !important;
    background: var(--rtu-surface-soft) !important;
}

.rtu-detail-section h2,
.rtu-form-panel h2 {
    margin-bottom: 16px;
    font-size: 17px;
}

.rtu-detail-rows {
    display: grid;
}

.rtu-detail-row {
    min-height: 48px;
    display: grid;
    grid-template-columns: minmax(120px, 0.8fr) minmax(140px, 1.2fr) auto;
    gap: 12px;
    align-items: center;
    border-bottom: 1px solid var(--rtu-border);
}

.rtu-detail-row:last-child {
    border-bottom: 0;
}

.rtu-detail-row > span {
    color: var(--rtu-muted);
    font-size: 13px;
}

.rtu-detail-row > strong {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
    font-size: 14px;
}

.rtu-event-list {
    display: grid;
    padding: 18px;
}

.rtu-event-item {
    align-items: start;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--rtu-border);
}

.rtu-event-item:last-child {
    border-bottom: 0;
}

.rtu-event-item .rtu-list-copy {
    min-width: 0;
    display: grid;
    gap: 6px;
    padding-top: 2px;
}

.rtu-event-item small {
    color: var(--rtu-muted);
}

/* Workspace, metrics and modules */

.rtu-metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.rtu-metric-card {
    display: grid;
    gap: 6px;
    min-height: 126px;
    padding: 20px;
    border: 1px solid var(--rtu-border);
    border-radius: var(--rtu-radius-card) !important;
    background: var(--rtu-surface) !important;
}

.rtu-metric-card span,
.rtu-metric-card small {
    color: var(--rtu-muted);
}

.rtu-metric-card strong {
    font-size: 30px;
    line-height: 1;
}

/* Administrative responsive rows */

.rtu-admin-list-header,
.rtu-payment-list-header {
    min-height: 46px;
    display: grid;
    gap: 16px;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid var(--rtu-border);
    color: var(--rtu-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.rtu-admin-list-header,
.rtu-admin-row {
    grid-template-columns: minmax(220px, 1.2fr) 140px 170px minmax(150px, 0.8fr) 132px;
}

.rtu-payment-list-header,
.rtu-payment-row {
    grid-template-columns: minmax(200px, 1fr) 130px 130px 120px 100px;
}

.rtu-admin-row,
.rtu-payment-row {
    min-height: 78px;
    display: grid;
    gap: 16px;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--rtu-border);
}

.rtu-admin-row:last-child,
.rtu-payment-row:last-child {
    border-bottom: 0;
}

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


/* Forms and settings */

.rtu-form-panel,
.rtu-settings-list {
    margin-bottom: 16px;
    padding: 22px;
}

.rtu-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.rtu-form-span {
    grid-column: 1 / -1;
}

.rtu-setting-row {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 0;
    border-bottom: 1px solid var(--rtu-border);
}

.rtu-setting-row:last-child {
    border-bottom: 0;
}

.rtu-setting-row > div:first-child {
    display: grid;
    gap: 4px;
}

.rtu-setting-row small {
    color: var(--rtu-muted);
}

.rtu-setting-control {
    width: 160px;
    flex: 0 0 auto;
}

.rtu-access-device-id {
    margin-left: 6px;
    color: var(--rtu-muted);
}

.client-app-shell.mud-theme-light {
    --rtu-navy-950: #f4f7fb;
    --rtu-navy-900: #edf3fa;
    --rtu-navy-850: #ffffff;
    --rtu-navy-800: #f7faff;
    --rtu-navy-750: #e9f1fb;
    --rtu-text: #14233b;
    --rtu-muted: #586b86;
    --rtu-border: rgba(53, 91, 139, 0.2);
    --rtu-border-strong: rgba(53, 91, 139, 0.38);
    --rtu-glow: rgba(63, 131, 248, 0.16);
    color: var(--rtu-text);
    background: var(--rtu-navy-950);
}

.client-app-shell.mud-theme-light .mud-button-root.mud-button-outlined.mud-button-outlined-primary {
    border-color: var(--rtu-blue) !important;
    color: var(--rtu-blue-strong) !important;
    background: #ffffff !important;
}

.client-app-shell.mud-theme-light .mud-button-root.mud-button-outlined.mud-button-outlined-primary:hover {
    background: var(--rtu-surface-selected) !important;
}

.client-app-shell.mud-theme-light .rtu-list-panel,
.client-app-shell.mud-theme-light .rtu-responsive-list,
.client-app-shell.mud-theme-light .rtu-admin-list,
.client-app-shell.mud-theme-light .rtu-form-panel,
.client-app-shell.mud-theme-light .rtu-settings-list,
.client-app-shell.mud-theme-light .rtu-device-detail-hero,
.client-app-shell.mud-theme-light .rtu-detail-tabs-panel,
.client-app-shell.mud-theme-light .rtu-device-item,
.client-app-shell.mud-theme-light .rtu-metric-card {
    background: rgba(255, 255, 255, 0.9) !important;
}

/* Shared status/title primitives still used by non-WEB-10 Client components. */
.rtu-summary-icon {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid var(--rtu-border);
    border-radius: 12px;
    color: var(--rtu-cyan);
    background: var(--rtu-surface-soft);
}

.rtu-summary-icon.is-success {
    color: var(--rtu-success);
    border-color: var(--rtu-success-border);
    background: var(--rtu-success-bg);
}

.rtu-summary-icon.is-warning {
    color: var(--rtu-warning);
    border-color: var(--rtu-warning-border);
    background: var(--rtu-warning-bg);
}

.rtu-summary-icon.is-error {
    color: var(--rtu-danger);
    border-color: var(--rtu-danger-border);
    background: var(--rtu-danger-bg);
}

.rtu-section-title-line {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 9px;
}

.rtu-section-title-line > svg {
    flex: 0 0 auto;
    color: var(--rtu-cyan);
}

.rtu-section-title-line h2 {
    min-width: 0;
    margin: 0;
    font-size: 18px;
    line-height: 1.35;
}

/* Compact desktop: exact 1024 reference mode */

@media (min-width: 960px) and (max-width: 1279.98px) {
    :root {
        --rtu-page-padding: 24px;
    }

}

@media (min-width: 1280px) and (max-width: 1399.98px) {
    :root {
        --rtu-page-padding: 24px;
    }

}

/* Tablet */

@media (min-width: 600px) and (max-width: 959.98px) {
    :root {
        --rtu-page-padding: 22px;
    }

    .rtu-page-frame {
        padding: 22px;
    }

    .rtu-device-toolbar {
        margin-top: 7px;
    }

    .rtu-page-actions {
        transform: translateY(9px);
    }

    .rtu-page-header {
        align-items: center;
    }

    .rtu-device-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .rtu-device-item {
        min-height: 211px;
        height: auto;
    }

    .rtu-device-skeleton {
        display: grid;
        grid-template-columns: 44px minmax(0, 1fr);
    }

    .rtu-admin-list-header,
    .rtu-payment-list-header {
        display: none;
    }

    .rtu-admin-list,
    .rtu-responsive-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
        overflow: visible;
        border: 0;
        background: transparent !important;
    }

    .rtu-admin-row,
    .rtu-payment-row {
        min-height: 250px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
        padding: 16px;
        border: 1px solid var(--rtu-border);
        border-radius: var(--rtu-radius-card);
        background: var(--rtu-surface);
    }

    .rtu-admin-row > [data-label],
    .rtu-payment-row > [data-label] {
        display: flex;
        justify-content: space-between;
        gap: 12px;
    }

    .rtu-admin-row > [data-label]::before,
    .rtu-payment-row > [data-label]::before {
        color: var(--rtu-muted);
        content: attr(data-label);
        font-size: 12px;
    }

    .rtu-row-actions {
        margin-top: auto;
    }

}

/* Phone */

@media (max-width: 719px) {
    .client-mobile-redundant-refresh {
        display: inline-flex !important;
        width: var(--rtu-touch-target-min) !important;
        min-width: var(--rtu-touch-target-min) !important;
        max-width: var(--rtu-touch-target-min);
        height: var(--rtu-touch-target-min);
        min-height: var(--rtu-touch-target-min);
        justify-self: end;
        overflow: hidden;
        padding: 0 !important;
    }

    .client-mobile-redundant-refresh .mud-button-label {
        gap: 0;
        font-size: 0;
    }

    .client-mobile-redundant-refresh .mud-button-start-icon,
    .client-mobile-redundant-refresh .mud-button-icon-start {
        margin: 0 !important;
    }
}

@media (max-width: 599.98px) {
    :root {
        --rtu-page-padding: 14px;
    }

    .rtu-center-state {
        padding: 14px;
    }

    .rtu-page-frame {
        padding: 16px var(--rtu-page-padding);
        padding-bottom: calc(var(--client-shell-bottom-navigation-height) + 16px + env(safe-area-inset-bottom));
    }

    .rtu-page-header {
        align-items: stretch;
        flex-direction: column;
        gap: 12px;
        margin-bottom: 14px;
    }

    .rtu-page-heading h1 {
        font-size: 25px;
    }

    .rtu-page-heading p {
        white-space: normal;
        overflow-wrap: anywhere;
        letter-spacing: -0.015em;
        font-size: 13px;
    }

    .rtu-page-actions {
        width: 100%;
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .rtu-page-actions:has(> .mud-button-root:only-child) {
        grid-template-columns: minmax(0, 1fr);
    }

    .rtu-page-actions > .mud-button-root,
    .rtu-page-actions > .rtu-command-area {
        width: 100%;
    }

    .rtu-page-actions > .mud-button-root:only-child {
        width: 100%;
        max-width: none;
        padding-inline: 20px;
    }

    .rtu-page-actions > .mud-button-root:only-child .mud-button-label {
        white-space: nowrap;
    }

    .rtu-page-actions .mud-button-root {
        min-height: var(--rtu-touch-target-min);
        height: auto;
    }

    .mud-snackbar-container.mud-snackbar-location-bottom-center,
    .mud-snackbar-container.mud-snackbar-location-bottom-left,
    .mud-snackbar-container.mud-snackbar-location-bottom-right {
        bottom: calc(var(--client-shell-bottom-navigation-height) + 12px + env(safe-area-inset-bottom));
    }

    .rtu-device-toolbar {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 10px;
        margin-bottom: 14px;
    }

    .rtu-quick-filters,
    .rtu-filter-row {
        width: 100%;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 2px;
        scrollbar-width: none;
    }

    .rtu-quick-filters::-webkit-scrollbar,
    .rtu-filter-row::-webkit-scrollbar {
        display: none;
    }

    .rtu-quick-filters .mud-button-root,
    .rtu-filter-row .mud-button-root {
        flex: 0 0 auto;
    }

    .rtu-device-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .rtu-device-item {
        min-height: 203px;
        height: auto;
        padding: 16px;
    }

    .rtu-device-actions {
        grid-template-columns: minmax(0, 1fr);
    }

    .rtu-status {
        padding-inline: 7px;
        font-size: 11px;
    }

    .rtu-device-detail-hero {
        align-items: stretch;
        flex-direction: column;
    }

    .rtu-detail-grid {
        grid-template-columns: 1fr;
        padding: 12px;
    }

    .rtu-detail-row {
        grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
        padding: 10px 0;
    }

    .rtu-detail-row.is-copyable {
        grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr) auto;
    }

    .rtu-detail-row > strong {
        min-width: 0;
        text-align: right;
    }

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

    .rtu-metric-card {
        min-height: 116px;
        padding: 16px;
    }

    .rtu-metric-card:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }

    .rtu-admin-list-header,
    .rtu-payment-list-header {
        display: none;
    }

    .rtu-admin-list,
    .rtu-responsive-list {
        display: grid;
        gap: 12px;
        overflow: visible;
        border: 0;
        background: transparent !important;
    }

    .rtu-admin-row,
    .rtu-payment-row {
        min-height: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 13px;
        padding: 16px;
        border: 1px solid var(--rtu-border);
        border-radius: var(--rtu-radius-card);
        background: var(--rtu-surface);
    }

    .rtu-admin-row > [data-label],
    .rtu-payment-row > [data-label] {
        display: flex;
        justify-content: space-between;
        gap: 12px;
    }

    .rtu-admin-row > [data-label]::before,
    .rtu-payment-row > [data-label]::before {
        color: var(--rtu-muted);
        content: attr(data-label);
        font-size: 12px;
    }

    .rtu-row-actions {
        justify-content: flex-end;
    }

    .rtu-form-panel,
    .rtu-settings-list {
        padding: 16px;
    }

    .rtu-form-grid {
        grid-template-columns: 1fr;
    }

    .rtu-form-span {
        grid-column: auto;
    }

    .rtu-setting-row {
        align-items: flex-start;
    }

    .rtu-setting-row .rtu-setting-control {
        width: 120px;
    }

    .rtu-event-list {
        padding: 14px 12px;
    }

    .rtu-event-item {
        grid-template-columns: 40px minmax(0, 1fr);
        gap: 14px;
        padding-block: 16px;
    }

    .rtu-event-item .rtu-list-icon {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
    }
}

@media (max-width: 359.98px) {
    :root {
        --rtu-page-padding: 12px;
    }

    .rtu-device-actions {
        grid-template-columns: 1fr;
    }

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

    .rtu-metric-card:last-child:nth-child(odd) {
        grid-column: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Large-text composition keeps each functional surface readable instead of
   preserving a multi-column density that collapses labels at 200% text. */
html[data-client-text-scale="large"] .client-app-shell .rtu-page-header {
    align-items: stretch;
    flex-direction: column;
}

html[data-client-text-scale="large"] .client-app-shell .rtu-page-heading h1 {
    font-size: 2rem;
}

html[data-client-text-scale="large"] body.client-body--mobile h1 {
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: manual;
    font-size: 1.5rem;
}

html[data-client-text-scale="large"] .client-app-shell .rtu-page-heading p {
    white-space: normal;
    font-size: 1rem;
}

html[data-client-text-scale="large"] .client-app-shell .rtu-page-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
    align-items: stretch;
}

html[data-client-text-scale="large"] .client-app-shell .rtu-page-actions > .mud-button-root,
html[data-client-text-scale="large"] .client-app-shell .rtu-page-actions > .rtu-command-area {
    width: 100%;
}

html[data-client-text-scale="large"] .client-app-shell .rtu-page-actions .mud-button-label {
    white-space: normal;
    overflow-wrap: anywhere;
}

html[data-client-text-scale="large"] .workspace-devices-toolbar {
    align-items: stretch;
    flex-direction: column;
}

html[data-client-text-scale="large"] .workspace-devices-toolbar > :first-child {
    flex-basis: auto;
    max-width: none;
}

html[data-client-text-scale="large"] .workspace-devices-grid,
html[data-client-text-scale="large"] .workspace-device-summary,
html[data-client-text-scale="large"] .workspace-device-modules,
html[data-client-text-scale="large"] .workspace-device-layout {
    grid-template-columns: minmax(0, 1fr);
}

html[data-client-text-scale="large"] .workspace-device-card__header,
html[data-client-text-scale="large"] .configuration-comparison__head,
html[data-client-text-scale="large"] .configuration-comparison__mobile-item header {
    align-items: flex-start;
    flex-direction: column;
}

html[data-client-text-scale="large"] .workspace-device-card__facts {
    grid-template-columns: minmax(0, 1fr);
}

html[data-client-text-scale="large"] .workspace-device-card__actions > * {
    flex-basis: 100%;
}

html[data-client-text-scale="large"] .configuration-comparison__table-wrap {
    display: none;
}

html[data-client-text-scale="large"] .configuration-comparison__mobile-list {
    display: grid;
}

html[data-client-text-scale="large"] .device-access__columns,
html[data-client-text-scale="large"] .device-access__grant-form,
html[data-client-text-scale="large"] .device-access__person-card {
    grid-template-columns: minmax(0, 1fr);
}

html[data-client-text-scale="large"] .device-access__grant-form > :last-child {
    grid-column: auto;
    width: 100%;
}

html[data-client-text-scale="large"] .device-access__person-avatar {
    display: none;
}

html[data-client-text-scale="large"] .device-access__person-state {
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
}

html[data-client-text-scale="large"] .device-access__invitation-card,
html[data-client-text-scale="large"] .device-access__claim-card,
html[data-client-text-scale="large"] .device-invitations__card {
    align-items: stretch;
    flex-direction: column;
}

html[data-client-text-scale="large"] .device-access__row-actions,
html[data-client-text-scale="large"] .device-access__claim-actions,
html[data-client-text-scale="large"] .device-invitations__actions {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr);
    justify-content: stretch;
}

html[data-client-text-scale="large"] .device-invitations__heading {
    grid-template-columns: minmax(0, 1fr);
}

html[data-client-text-scale="large"] .device-invitations__icon {
    display: none;
}

html[data-client-text-scale="large"] .device-invitations__heading > :last-child {
    grid-column: auto;
    width: 100%;
}

html[data-client-text-scale="large"] .workspace-members__filters,
html[data-client-text-scale="large"] .workspace-members__form,
html[data-client-text-scale="large"] .workspace-members__role-summary,
html[data-client-text-scale="large"] .workspace-members__row,
html[data-client-text-scale="large"] .workspace-members__pending-row,
html[data-client-text-scale="large"] .workspace-member__summary,
html[data-client-text-scale="large"] .workspace-member__facts,
html[data-client-text-scale="large"] .workspace-member__device-row {
    grid-template-columns: minmax(0, 1fr);
}

html[data-client-text-scale="large"] .workspace-members__table-header {
    display: none;
}

html[data-client-text-scale="large"] .workspace-members__table {
    display: grid;
    overflow: visible;
    border: 0;
    gap: .75rem;
}

html[data-client-text-scale="large"] .workspace-members__row,
html[data-client-text-scale="large"] .workspace-members__pending-row {
    border: 1px solid var(--rtu-border);
    border-radius: var(--rtu-radius-control);
}

html[data-client-text-scale="large"] .workspace-members__row-actions,
html[data-client-text-scale="large"] .workspace-members__pending-status,
html[data-client-text-scale="large"] .workspace-members__pending-action,
html[data-client-text-scale="large"] .workspace-member__summary-status,
html[data-client-text-scale="large"] .workspace-member__device-status,
html[data-client-text-scale="large"] .workspace-member__device-action {
    grid-column: auto;
    grid-row: auto;
    justify-self: start;
}

html[data-client-text-scale="large"] .workspace-members__form-actions,
html[data-client-text-scale="large"] .workspace-members__filter-actions {
    display: grid;
    grid-column: auto;
    grid-template-columns: minmax(0, 1fr);
}

html[data-client-text-scale="large"] .workspace-members__form-actions > *,
html[data-client-text-scale="large"] .workspace-members__filter-actions > *,
html[data-client-text-scale="large"] .workspace-member__device-action {
    width: 100%;
}

@media (forced-colors: active) {
    .rtu-status,
    .rtu-paid-status,
    .rtu-device-item,
    .rtu-metric-card {
        border: 1px solid CanvasText;
    }
}

/* Target host accessibility and boot-failure compatibility. */

.client-skip-link {
    position: fixed;
    z-index: 1500;
    top: -80px;
    left: 16px;
    padding: 10px 14px;
    border: 1px solid var(--rtu-cyan);
    border-radius: var(--rtu-radius-control);
    color: var(--rtu-text);
    background: var(--rtu-navy-800);
}

.client-skip-link:focus {
    top: 12px;
}

#blazor-error-ui {
    position: fixed;
    z-index: 2000;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    display: none;
    min-height: 44px;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 3.5rem 0.75rem 1rem;
    border: 1px solid var(--rtu-color-danger);
    border-radius: var(--rtu-radius-control);
    color: var(--rtu-color-text);
    background: var(--rtu-color-surface);
    box-shadow: var(--rtu-client-popover-shadow);
}

#blazor-error-ui .reload {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding-inline: 0.5rem;
}

#blazor-error-ui .dismiss {
    position: absolute;
    top: 50%;
    right: 0.25rem;
    display: inline-grid;
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 999px;
    color: inherit;
    background: transparent;
    font: inherit;
    cursor: pointer;
    transform: translateY(-50%);
}

#blazor-error-ui .dismiss:hover,
#blazor-error-ui .dismiss:focus-visible {
    background: var(--rtu-color-surface-subtle);
}