/* =====================================================
   Room 3 — Bilregister Sandbox (light corporate)
   Canvas #F8FAFC · Cards #FFFFFF · Secondary ocean
   ===================================================== */

html[data-shell="room3"],
body.shell-room3 {
    --room3-primary: var(--secondary);
    --room3-primary-soft: var(--secondary-soft);
    --room3-primary-hover: var(--secondary-hover);
    --room3-primary-outline: var(--secondary-outline);
    --room3-primary-glow: rgba(32, 96, 152, 0.12);
    --room3-accent: #1a5278;
    --room3-accent-soft: rgba(32, 96, 152, 0.1);

    --aquakleen-blue: var(--secondary);
    --aquakleen-blue-soft: var(--secondary-soft);
    --aquakleen-blue-hover: var(--secondary-hover);
    --aquakleen-blue-outline: var(--secondary-outline);
    --corp-border: rgba(15, 23, 42, 0.08);
    --glass-border: var(--corp-border);
    --accent: var(--secondary);
    --accent-bright: #0f172a;
    --accent-soft: var(--secondary-soft);
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
}

body.shell-room3 .matrix-bg {
    background: var(--canvas, #f8fafc);
}

body.shell-room3 .matrix-bg::before,
body.shell-room3 .matrix-bg::after {
    display: none !important;
    content: none !important;
}

/* Light form fields — Room 3 + Room 1 (shared bilregister/fakturering chrome) */
body.shell-room3 select,
body.shell-room3 .form-field select,
body.shell-room3 input[type="text"],
body.shell-room3 input[type="number"],
body.shell-room3 input[type="email"],
body.shell-room3 input[type="date"],
body.shell-room3 input[type="search"],
body.shell-room3 textarea,
body.shell-room1 select,
body.shell-room1 .form-field select,
body.shell-room1 input[type="text"],
body.shell-room1 input[type="number"],
body.shell-room1 input[type="email"],
body.shell-room1 input[type="date"],
body.shell-room1 input[type="search"],
body.shell-room1 textarea {
    background-color: #ffffff !important;
    color: #0f172a !important;
    color-scheme: light;
    border-color: rgba(100, 116, 139, 0.3);
}

body.shell-room3 select:focus,
body.shell-room3 input:focus,
body.shell-room3 textarea:focus,
body.shell-room1 select:focus,
body.shell-room1 input:focus,
body.shell-room1 textarea:focus {
    border-color: rgba(2, 132, 199, 0.55);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12);
}

body.shell-room3 select option,
body.shell-room1 select option {
    background-color: #ffffff;
    color: #0f172a;
}

body.shell-room3 .glass-panel,
body.shell-room3 .corp-panel,
body.shell-room1 .glass-panel,
body.shell-room1 .corp-panel {
    background: var(--card, #ffffff);
    border: 1px solid var(--corp-border);
}

/* Fullscreen desktop scroll — base .crt uses overflow:hidden / 100vh which
   blocks vertical+horizontal pan on tall Fakturering editors. Windowed/mobile
   already overrode via media query; Room 3 needs it at all sizes. */
body.shell-room3 .crt {
    height: 100vh;
    max-height: 100vh;
    overflow-x: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

body.shell-room3 .content.module-view.is-active,
body.shell-room3 .content.module-view:not([hidden]),
body.shell-room1 .content.module-view.is-active,
body.shell-room1 .content.module-view:not([hidden]) {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2.5rem;
}

body.shell-room3 #fakturering-view,
body.shell-room3 #bilregister-view,
body.shell-room1 #fakturering-view,
body.shell-room1 #bilregister-view {
    min-width: min(100%, 72rem);
}

.room3-badge {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.15rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--secondary);
    background: var(--secondary-soft);
    border: 1px solid var(--secondary-outline);
    border-radius: 999px;
    vertical-align: middle;
}

.room3-logo-note-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.35rem 1rem 0.65rem;
}

.room3-logo-note {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.room3-shell-links {
    display: none;
    gap: 0.4rem;
    flex-wrap: wrap;
}

body.shell-room3.tenant-operator .room3-shell-links.is-operator-visible {
    display: flex;
}

body.shell-room3.tenant-private .room3-shell-links {
    display: none !important;
}

/* —— Room 4 Beta Showroom (reuses room3 layout classes) —— */
.shell-room4 .room4-badge {
    display: inline-block;
    margin-left: 0.45rem;
    padding: 0.12rem 0.45rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: rgba(124, 58, 237, 0.1);
    color: #5b21b6;
    border: 1px solid rgba(124, 58, 237, 0.28);
    vertical-align: middle;
}

.shell-room4 .room4-logo-note-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    padding: 0.45rem 1rem 0.25rem;
}

.shell-room4 .room4-logo-note {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    /* Showroom chrome — not Room 2/3 sandbox italic wall copy */
    font-style: normal;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Sample logo: native asset is 400×400 — scale to header like Room 2 (no stretch) */
.shell-room4 .corp-header .header-logo-brand.room4-sample-logo,
.shell-room4 .room4-sample-logo {
    display: block;
    max-width: min(400px, 100%);
    max-height: min(200px, 24vh);
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: left center;
}

.shell-room4 .room4-shell-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.shell-room4 .room4-overview-panel {
    padding: 1.15rem 1.25rem;
}

.shell-room4 .room4-module-code {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: ui-monospace, monospace;
}

/* —— Bilregister module —— */
.br-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
}

.br-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
    padding: 0.85rem 1rem;
    margin-bottom: 0.75rem;
}

.br-control-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 12rem;
    flex: 1 1 16rem;
}

.br-control-group label {
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.br-control-group input[type="search"],
.br-control-group input[type="text"] {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border-radius: 6px;
    border: 1px solid rgba(148, 163, 184, 0.35);
}

/* —— P1.1 DK license-plate style search (list only) ——
   Ref: supabase-dev/assets/bilregister-search-example.png
        supabase-dev/assets/bilregister-search-style.md */
.br-dk-search-group {
    /* P1.1 polish: ~half-width on desktop; full usable width on mobile */
    flex: 0 1 50%;
    width: 50%;
    min-width: min(100%, 14rem);
    max-width: 22rem;
}

.br-dk-search-label {
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.br-dk-search {
    display: flex;
    align-items: stretch;
    gap: 0.45rem;
    width: 100%;
    min-height: 2.75rem;
}

.br-dk-badge {
    position: relative;
    flex: 0 0 2.65rem;
    width: 2.65rem;
    min-height: 2.65rem;
    border-radius: 0.7rem;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(56, 189, 248, 0.35),
        0 4px 12px rgba(2, 6, 23, 0.35);
    align-self: center;
}

.br-dk-badge-stars {
    display: block;
    width: 100%;
    height: 100%;
}

.br-dk-badge-code {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: ui-sans-serif, system-ui, Inter, sans-serif;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
    pointer-events: none;
}

/* Light plate field — override Room 3 dark-input global */
body.shell-room3 .br-dk-search .br-dk-search-input,
body.shell-room4 .br-dk-search .br-dk-search-input,
body.shell-room1 .br-dk-search .br-dk-search-input,
.br-dk-search .br-dk-search-input {
    flex: 1 1 auto;
    min-width: 0;
    width: auto !important;
    margin: 0;
    padding: 0.55rem 0.95rem !important;
    border-radius: 999px !important;
    border: 1px solid rgba(148, 163, 184, 0.45) !important;
    background: #f8fafc !important;
    color: #0f172a !important;
    color-scheme: light;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.85),
        0 2px 8px rgba(2, 6, 23, 0.18);
    -webkit-appearance: none;
    appearance: none;
}

body.shell-room3 .br-dk-search .br-dk-search-input::placeholder,
body.shell-room4 .br-dk-search .br-dk-search-input::placeholder,
body.shell-room1 .br-dk-search .br-dk-search-input::placeholder,
.br-dk-search .br-dk-search-input::placeholder {
    color: #94a3b8 !important;
    opacity: 1;
}

body.shell-room3 .br-dk-search .br-dk-search-input:focus,
body.shell-room4 .br-dk-search .br-dk-search-input:focus,
body.shell-room1 .br-dk-search .br-dk-search-input:focus,
.br-dk-search .br-dk-search-input:focus {
    outline: none;
    border-color: rgba(56, 189, 248, 0.75) !important;
    box-shadow:
        0 0 0 3px rgba(56, 189, 248, 0.22),
        0 2px 10px rgba(2, 6, 23, 0.2);
}

/* Hide native search clear on some WebKit builds (layout noise) */
.br-dk-search .br-dk-search-input::-webkit-search-decoration,
.br-dk-search .br-dk-search-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
}

.br-dk-search-btn {
    flex: 0 0 auto;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.05rem;
    min-width: 2.85rem;
    min-height: 2.65rem;
    padding: 0.3rem 0.45rem;
    border-radius: 0.7rem;
    border: 1px solid var(--primary-outline, rgba(72, 192, 112, 0.45));
    background: var(--primary, #48c070);
    color: #ffffff;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
    transition:
        background 0.15s ease,
        border-color 0.15s ease,
        box-shadow 0.15s ease;
}

.br-dk-search-btn:hover {
    background: #3db863;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-soft);
}

.br-dk-search-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.28);
}

.br-dk-search-icon {
    display: block;
    color: #ffffff;
}

/* Mobile: full row width; stack SØG under field; keep badge+input row */
@media (max-width: 520px) {
    .br-dk-search-group {
        flex: 1 1 100%;
        width: 100%;
        max-width: none;
        min-width: 0;
    }

    .br-dk-search {
        flex-wrap: wrap;
    }

    .br-dk-search .br-dk-search-input {
        flex: 1 1 calc(100% - 3.4rem);
        min-width: 0;
    }

    .br-dk-search-btn {
        flex: 1 1 100%;
        flex-direction: row;
        gap: 0.4rem;
        min-height: 2.4rem;
        font-size: 0.72rem;
    }
}

.br-check-inline {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    color: #334155;
    white-space: nowrap;
}

.br-footer {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    margin-top: 0.5rem;
}

.br-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 1.5rem !important;
}

.br-plate {
    font-weight: 600;
    letter-spacing: 0.04em;
    font-variant-numeric: tabular-nums;
}

.br-row {
    cursor: pointer;
}

.br-row:hover td {
    background: rgba(56, 189, 248, 0.06);
}

.br-status-pill {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.br-status-active {
    background: rgba(2, 132, 199, 0.12);
    color: #0369a1;
}

.br-status-pending {
    background: rgba(245, 158, 11, 0.14);
    color: #b45309;
}

.br-status-archived {
    background: rgba(148, 163, 184, 0.16);
    color: #64748b;
}

.br-actions-cell {
    white-space: nowrap;
}

.br-panel {
    margin-bottom: 1rem;
}

.br-form {
    padding: 1rem 1.15rem;
}

.br-h2 {
    margin: 0 0 0.75rem;
    font-size: 1.15rem;
    color: var(--accent-bright);
}

.br-h3 {
    margin: 0 0 0.65rem;
    font-size: 1rem;
    color: #0f172a;
}

.br-h4 {
    margin: 1rem 0 0.4rem;
    font-size: 0.9rem;
    color: #334155;
}

.br-section-title {
    margin: 1.25rem 0 0.5rem;
    font-size: 0.95rem;
    color: var(--accent);
}

.br-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.br-check {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0.5rem 0 1rem;
    color: #334155;
    font-size: 0.9rem;
}

.br-muted {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.br-dup-box {
    margin: 0.75rem 0;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(2, 132, 199, 0.22);
    background: #f8fafc;
}

.br-dup-warn {
    color: #b45309;
    margin: 0 0 0.5rem;
}

.br-dup-ok {
    color: #0369a1;
    margin: 0;
}

.br-dup-list {
    margin: 0;
    padding-left: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.br-customer-results {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0.5rem 0;
    max-height: 12rem;
    overflow-y: auto;
}

.br-customer-search-field input {
    min-width: min(100%, 22rem);
}

.br-customer-actions {
    margin-bottom: 0.75rem;
}

.br-selected-customer {
    font-weight: 600;
    color: #0f172a;
    margin: 0.35rem 0 0.65rem;
}

.br-customer-drawer {
    margin-top: 0.75rem;
    padding: 0.85rem 1rem;
    border: 1px dashed rgba(2, 132, 199, 0.3);
    border-radius: 8px;
    background: #f8fafc;
}

/* Edit form opens at top of profile — keep in view without below-the-fold hunt */
.br-edit-section:not([hidden]) {
    border: 1px solid rgba(2, 132, 199, 0.35);
    box-shadow: 0 0 0 1px rgba(2, 132, 199, 0.08), 0 8px 24px rgba(15, 23, 42, 0.08);
    scroll-margin-top: 5.5rem;
}

.br-edit-section .br-h3 {
    color: #0284c7;
}

.br-profile-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1rem 1.15rem;
    margin-bottom: 0.75rem;
}

.br-profile-meta {
    margin: 0.35rem 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.br-profile-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: flex-start;
}

.br-summary-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    margin-bottom: 0.75rem;
}

.br-summary-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.br-summary-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.br-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.65rem 0.85rem;
    margin-bottom: 0.75rem;
}

.br-tab-disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* PR4/PR5 Servicehistorik — invoice-derived timeline cards */
.br-history-list,
.br-history-timeline {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.br-history-card-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    margin-bottom: 0.75rem;
}

.br-history-date {
    font-weight: 600;
    color: #0f172a;
    font-variant-numeric: tabular-nums;
    margin-right: auto;
}

.br-history-type,
.br-history-status {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.br-history-type-invoice {
    background: rgba(2, 132, 199, 0.12);
    color: #0369a1;
}

.br-history-type-credit {
    background: rgba(219, 39, 119, 0.1);
    color: #9d174d;
}

.br-history-status-issued,
.br-history-status-sent {
    background: rgba(2, 132, 199, 0.1);
    color: #0369a1;
}

.br-history-status-paid {
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
}

.br-history-status-partial,
.br-history-status-reminded {
    background: rgba(245, 158, 11, 0.14);
    color: #b45309;
}

.br-history-status-overdue {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
}

.br-history-status-credited {
    background: rgba(148, 163, 184, 0.16);
    color: #475569;
}

.br-history-dl {
    margin-bottom: 0.75rem;
}

.br-history-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

/* PR5 Servicehistorik timeline polish */
.br-history-timeline {
    position: relative;
    padding-left: 0.35rem;
}

.br-history-card {
    display: grid;
    grid-template-columns: 0.55rem 1fr;
    gap: 0.75rem;
    align-items: stretch;
    margin: 0;
    padding: 0.85rem 1rem 0.85rem 0.65rem;
}

.br-history-rail {
    width: 0.35rem;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.45);
    min-height: 100%;
}

.br-history-card-credit .br-history-rail {
    background: rgba(244, 114, 182, 0.55);
}

.br-history-card-body {
    min-width: 0;
}

.br-history-credit-link {
    margin: 0 0 0.55rem;
    font-size: 0.85rem;
    color: #9d174d;
    font-weight: 600;
}

/* PR5 Fakturaer tab table */
.br-invoices-hint {
    margin: 0 0 0.75rem;
}

.br-invoices-table-wrap {
    overflow-x: auto;
}

.br-invoices-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.br-invoices-table th {
    text-align: left;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    padding: 0.45rem 0.55rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    white-space: nowrap;
}

.br-invoices-table td {
    padding: 0.55rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.16);
    vertical-align: middle;
    color: #1e293b;
}

.br-invoices-table tr:hover td {
    background: rgba(56, 189, 248, 0.05);
}

.br-inv-num {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.br-inv-desc {
    max-width: 18rem;
}

.br-inv-amount {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    font-weight: 600;
    color: #0f172a;
}

/* PR5.7 Noter tab — private append-only workshop notes */
.br-notes-private-hint,
.br-note-append-hint {
    margin: 0 0 0.75rem;
    font-size: 0.88rem;
}

.br-notes-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
}

.br-note-composer {
    border: 1px solid rgba(56, 189, 248, 0.35);
}

.br-notes-history-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.br-note-item {
    padding: 0.75rem 0.85rem;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: #ffffff;
}

.br-note-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.85rem;
    margin-bottom: 0.4rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.br-note-meta time {
    font-variant-numeric: tabular-nums;
    color: #64748b;
}

.br-note-author {
    color: #0284c7;
    font-weight: 600;
}

.br-note-body {
    color: #1e293b;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.45;
}

.br-section {
    padding: 1rem 1.15rem;
    margin-bottom: 0.75rem;
}

.br-dl {
    display: grid;
    gap: 0.35rem;
}

.br-dl-row {
    display: grid;
    grid-template-columns: minmax(8rem, 12rem) 1fr;
    gap: 0.5rem;
    font-size: 0.92rem;
}

.br-dl-label {
    color: var(--text-muted);
}

.br-dl-value {
    color: #0f172a;
}

.br-banner {
    padding: 0.65rem 1rem;
    margin-bottom: 0.75rem;
    border-radius: 8px;
}

.br-banner-warn {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: #92400e;
}

.br-notes-list {
    margin: 0 0 0.75rem;
    padding-left: 1.1rem;
    color: #1e293b;
}

.br-notes-list time {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-right: 0.35rem;
}

.br-note-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.br-note-form textarea {
    width: 100%;
    min-height: 4rem;
    padding: 0.5rem 0.65rem;
    border-radius: 6px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    resize: vertical;
}

.br-consent-hint {
    margin: 0.5rem 0;
}

.room3-overview-panel {
    padding: 1.25rem 1.5rem;
    margin: 1rem;
}

.room3-overview-panel h2 {
    margin-top: 0;
    color: var(--accent-bright);
}

.room3-module-code {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

#br-status.error {
    color: #b91c1c;
}

/* —— P-SHELL-4 progressive discovery nav (Room 3 + Room 4) —— */
body.shell-room3 .module-tab,
body.shell-room4 .module-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

body.shell-room3 .module-tab .module-light,
body.shell-room4 .module-tab .module-light {
    display: inline-block;
    flex-shrink: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #cbd5e1;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

body.shell-room3 .module-tab .module-light.is-on,
body.shell-room4 .module-tab .module-light.is-on {
    background: #22c55e;
    box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.25);
}

body.shell-room3 .module-tab .module-light.is-dim,
body.shell-room4 .module-tab .module-light.is-dim {
    background: #cbd5e1;
    opacity: 0.85;
}

body.shell-room3 .module-tab.module-locked,
body.shell-room4 .module-tab.module-locked {
    opacity: 0.62;
    color: #94a3b8 !important;
    cursor: not-allowed;
    filter: grayscale(0.35);
}

body.shell-room3 .module-tab.module-locked:hover,
body.shell-room3 .module-tab.module-locked:focus-visible,
body.shell-room4 .module-tab.module-locked:hover,
body.shell-room4 .module-tab.module-locked:focus-visible {
    opacity: 0.78;
    color: #64748b !important;
}

body.shell-room3 .module-tab.module-locked.active,
body.shell-room4 .module-tab.module-locked.active {
    box-shadow: none;
}

body.shell-room3 .room3-module-teaser,
body.shell-room4 .room4-module-teaser {
    margin: 8px 16px 0;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.45);
    background: #f1f5f9;
    color: #475569;
    font-size: 0.85rem;
    line-height: 1.45;
}

body.shell-room3 .room3-module-teaser.is-visible,
body.shell-room4 .room4-module-teaser.is-visible {
    display: block;
}

body.shell-room3 .room3-module-teaser[hidden],
body.shell-room4 .room4-module-teaser[hidden] {
    display: none !important;
}

@media (max-width: 720px) {
    .br-dl-row {
        grid-template-columns: 1fr;
    }
}