.page-shell {
    padding-block: 44px 68px;
}

.page-shell--split {
    --shell: 1180px;
}

.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 28px;
}

.page-head h1 {
    max-width: 760px;
    margin-bottom: 10px;
}

.eyebrow {
    margin-bottom: 9px;
    color: var(--color-primary-dark);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
}

.page-intro {
    max-width: 680px;
    margin-bottom: 0;
    color: var(--color-ink-muted);
    font-size: 0.95rem;
}

.page-updated {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 8px;
    margin-bottom: 2px;
    color: var(--color-ink-faint);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

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

.status-dot--live {
    background: var(--color-success);
}

.status-dot--idle {
    background: var(--color-time);
}

.state-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 16px;
    padding: 24px 26px;
    border: 1px solid var(--color-border-strong);
    border-left-width: 4px;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.state-hero--neutral {
    border-left-color: var(--color-time);
}

.state-hero--active {
    border-left-color: var(--color-success);
}

/* Orange carries the time/freshness meaning for stalled telemetry */
.state-hero--stale {
    border-left-color: var(--color-time);
}

.state-hero h2 {
    margin: 5px 0 6px;
    font-size: clamp(1.35rem, 2.2vw, 1.72rem);
}

.state-hero p:last-child {
    max-width: 720px;
    margin-bottom: 0;
    color: var(--color-ink-muted);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.metric {
    display: flex;
    flex-direction: column;
    min-height: 132px;
    padding: 20px;
    border-right: 1px solid var(--color-border);
}

.metric:last-child {
    border-right: 0;
}

.metric strong {
    margin: 8px 0 4px;
    color: var(--color-ink);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1;
}

.metric > span:last-child {
    color: var(--color-ink-muted);
    font-size: 0.78rem;
}

.metric--attention {
    border-top: 2px solid var(--color-time);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.85fr) minmax(300px, 1fr);
    align-items: start;
    gap: 16px;
}

.panel {
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 72px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-muted);
}

.panel__head h2,
.panel__head p {
    margin-bottom: 0;
}

.panel__head h2 {
    margin-top: 4px;
}

.panel__head > a {
    flex: 0 0 auto;
    min-height: 44px;
    padding: 12px 0;
    font-size: 0.8rem;
    font-weight: 600;
}

.panel__count {
    display: inline-grid;
    place-items: center;
    min-width: 30px;
    height: 30px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-ink-muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
}

.installation-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 84px;
    padding: 14px 18px;
    color: var(--color-ink);
    text-decoration: none;
}

.installation-row:hover {
    background: var(--color-surface-muted);
    color: var(--color-ink);
}

.installation-row__identity,
.installation-row__facts {
    display: flex;
    align-items: center;
    gap: 12px;
}

.installation-row__identity > span:last-child,
.device-row__identity,
.register-row__main {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.installation-row strong,
.register-row strong,
.device-row strong {
    font-size: 0.9rem;
}

.installation-row small,
.register-row small,
.device-row small {
    font-size: 0.76rem;
}

.asset-icon,
.device-row__icon,
.signal__icon {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-primary-dark);
}

.status-chip {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 9px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-ink-muted);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    line-height: 1.2;
}

.status-chip--large {
    min-height: 38px;
    padding-inline: 12px;
    font-size: 0.76rem;
}

.status-chip--mapped {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
    color: var(--color-primary-dark);
}

.status-chip--idle {
    border-color: var(--color-time);
    background: var(--color-time-soft);
    color: var(--color-time-ink);
}

.status-chip--quiet {
    background: var(--color-surface-muted);
}

.action-list {
    margin: 0;
    padding: 4px 18px;
    list-style: none;
}

.action-list li {
    position: relative;
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 12px;
    min-height: 82px;
    padding: 17px 0;
    border-bottom: 1px solid var(--color-border);
}

.action-list li:last-child {
    border-bottom: 0;
}

.action-list__marker {
    display: inline-grid;
    place-items: center;
    align-self: start;
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-ink-muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.action-list li.is-complete .action-list__marker {
    border-color: var(--color-success);
    background: var(--color-success-soft);
    color: var(--color-success);
}

.action-list li.is-current .action-list__marker {
    border-color: var(--color-time);
    background: var(--color-time-soft);
    color: var(--color-time-ink);
}

.action-list strong,
.action-list small {
    display: block;
}

.action-list strong {
    margin-bottom: 3px;
    font-size: 0.82rem;
}

.action-list small {
    line-height: 1.4;
}

.page-head--with-control {
    align-items: flex-end;
}

.search-field {
    position: relative;
    display: block;
    flex: 0 1 360px;
}

.search-field .fa {
    position: absolute;
    top: 50%;
    left: 14px;
    transform: translateY(-50%);
    color: var(--color-ink-faint);
}

.search-field input {
    width: 100%;
    min-height: 44px;
    padding: 10px 14px 10px 40px;
}

.search-field input::placeholder {
    color: var(--color-ink-faint);
}

.register {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.register__head,
.register-row {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(130px, 0.5fr) minmax(170px, 0.6fr);
    align-items: center;
    gap: 20px;
}

.register__head {
    min-height: 48px;
    padding: 10px 18px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-muted);
}

.register-row {
    min-height: 106px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-ink);
    text-decoration: none;
}

.register-row:hover {
    background: var(--color-surface-muted);
    color: var(--color-ink);
}

.register-row:last-of-type {
    border-bottom: 0;
}

.register-row__main strong {
    font-family: var(--font-mono);
    letter-spacing: 0.03em;
}

.device-line {
    margin-top: 7px;
    color: var(--color-ink-faint);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.register-row__connection {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.empty-filter {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    min-height: 140px;
    padding: 32px 18px;
    color: var(--color-ink-muted);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 44px;
    margin: -14px 0 18px;
    color: var(--color-ink-faint);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.breadcrumb a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
}

.breadcrumb .fa {
    font-size: 0.58rem;
}

.installation-head {
    margin-bottom: 20px;
}

.installation-head h1 {
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

.installation-state {
    align-items: stretch;
    margin-bottom: 16px;
}

.state-hero__stamp {
    display: flex;
    flex: 0 0 230px;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding-left: 24px;
    border-left: 1px solid var(--color-border);
}

.state-hero__stamp strong {
    font-size: 0.84rem;
    font-weight: 600;
}

.detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.8fr);
    align-items: start;
    gap: 16px;
}

.detail-main,
.detail-aside {
    display: grid;
    gap: 16px;
}

.signal-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signal {
    display: flex;
    flex-direction: column;
    min-height: 178px;
    padding: 18px;
    border-right: 1px solid var(--color-border);
}

.signal:last-child {
    border-right: 0;
}

.signal__icon {
    margin-bottom: 18px;
}

.signal strong {
    margin: 7px 0 3px;
    font-size: 1.42rem;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.device-list {
    display: grid;
}

.device-row {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) auto;
    align-items: center;
    gap: 13px;
    min-height: 76px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--color-border);
}

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

.installation-photo img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: 50% 46%;
}

.installation-photo figcaption {
    padding: 11px 14px;
    border-top: 1px solid var(--color-border);
    color: var(--color-ink-faint);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.fact-list {
    margin: 0;
}

.fact-list > div {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 14px;
    min-height: 52px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--color-border);
}

.fact-list > div:last-child {
    border-bottom: 0;
}

.fact-list dt {
    color: var(--color-ink-faint);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
}

.fact-list dd {
    margin: 0;
    font-size: 0.8rem;
}

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

.document-list li {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 10px;
    min-height: 60px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}

.document-list li:last-child {
    border-bottom: 0;
}

.document-list .fa {
    margin-top: 3px;
    color: var(--color-primary-dark);
}

.document-list strong,
.document-list small {
    display: block;
}

.document-list strong {
    margin-bottom: 2px;
    font-size: 0.75rem;
    line-height: 1.4;
}

.document-list small {
    font-size: 0.68rem;
}

.not-found {
    max-width: 620px;
    padding: 48px 0;
}

.not-found p:not(.eyebrow) {
    margin-bottom: 24px;
    color: var(--color-ink-muted);
}

@media (max-width: 960px) {
    .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .metric:nth-child(2) {
        border-right: 0;
    }

    .metric:nth-child(-n + 2) {
        border-bottom: 1px solid var(--color-border);
    }

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

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

    .installation-photo {
        grid-row: span 2;
    }

    .installation-photo img {
        height: 100%;
        min-height: 310px;
    }
}

@media (max-width: 720px) {
    .page-shell {
        padding-block: 28px 48px;
    }

    .page-head,
    .page-head--with-control,
    .state-hero {
        align-items: flex-start;
        flex-direction: column;
    }

    .page-head {
        margin-bottom: 22px;
    }

    .page-updated {
        min-height: 32px;
        margin-top: -12px;
    }

    .state-hero .button,
    .search-field {
        width: 100%;
    }

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

    .metric {
        min-height: 126px;
        padding: 16px;
    }

    .installation-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .installation-row__facts {
        width: 100%;
        padding-left: 54px;
    }

    .installation-row__facts .fa {
        margin-left: auto;
    }

    .register__head {
        display: none;
    }

    .register-row {
        grid-template-columns: 1fr auto;
        gap: 14px;
    }

    .register-row > span:nth-child(2) {
        align-self: start;
    }

    .register-row__connection {
        grid-column: 1 / -1;
        justify-content: flex-start;
        padding-top: 12px;
        border-top: 1px solid var(--color-border);
    }

    .register-row__connection .fa {
        margin-left: auto;
    }

    .state-hero__stamp {
        flex-basis: auto;
        width: 100%;
        padding: 18px 0 0;
        border-top: 1px solid var(--color-border);
        border-left: 0;
    }

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

    .signal {
        min-height: 140px;
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
    }

    .signal:last-child {
        border-bottom: 0;
    }

    .signal__icon {
        margin-bottom: 12px;
    }

    .detail-aside {
        grid-template-columns: 1fr;
    }

    .installation-photo {
        grid-row: auto;
    }

    .installation-photo img {
        min-height: 0;
        height: 260px;
    }
}

@media (max-width: 470px) {
    .metric-grid {
        grid-template-columns: 1fr;
    }

    .metric,
    .metric:nth-child(2) {
        min-height: 110px;
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
    }

    .metric:last-child {
        border-bottom: 0;
    }

    .installation-row__facts {
        flex-wrap: wrap;
        padding-left: 0;
    }

    .device-row {
        grid-template-columns: 42px 1fr;
    }

    .device-row .status-chip {
        grid-column: 1 / -1;
        justify-self: start;
    }
}