:root {
    --lux-primary: #0a1d3e;
    --lux-primary-light: #122a56;
    --lux-primary-dark: #060f20;
    --lux-primary-hover: #122a56;
    --lux-accent: #005a8c;
    --lux-accent-light: #0b6b9f;
    --lux-accent-dark: #00456b;
    --lux-brand-blue: #023c8c;
    --lux-brand-gold: #c9a227;

    --lux-white: #ffffff;
    --lux-gray-50: #f8f9fa;
    --lux-gray-100: #f1f3f5;
    --lux-gray-200: #e5e7eb;
    --lux-gray-300: #ced4da;
    --lux-gray-400: #adb5bd;
    --lux-gray-500: #495057;
    --lux-gray-600: #495057;
    --lux-gray-700: #343a40;
    --lux-gray-800: #212529;
    --lux-gray-900: #111827;

    --lux-success: #198754;
    --lux-success-bg: #d1e7dd;
    --lux-warning: #ffc107;
    --lux-warning-text: #856404;
    --lux-warning-bg: #fff3cd;
    --lux-danger: #dc3545;
    --lux-danger-bg: #f8d7da;
    --lux-info: #0dcaf0;
    --lux-info-bg: #cff4fc;

    --color-bg: var(--lux-gray-50);
    --color-surface: var(--lux-white);
    --color-border: var(--lux-gray-200);
    --color-border-strong: var(--lux-gray-300);
    --color-text: var(--lux-gray-800);
    --color-text-muted: var(--lux-gray-500);
    --color-text-placeholder: var(--lux-gray-400);
    --color-link: var(--lux-accent);
    --color-link-hover: var(--lux-accent-dark);
    --color-focus: var(--lux-accent);
    --color-accent: var(--lux-accent);
    --color-success: var(--lux-success);
    --color-warning: var(--lux-warning);
    --color-danger: var(--lux-danger);
    --color-info: var(--lux-info);

    --btn-primary-bg: var(--lux-accent);
    --btn-primary-hover-bg: var(--lux-accent-light);
    --btn-primary-active-bg: var(--lux-accent-dark);
    --btn-primary-text: var(--lux-white);
    --btn-primary-border: var(--btn-primary-bg);
    --btn-danger-bg: var(--lux-danger);
    --btn-danger-hover-bg: #c82333;
    --btn-danger-active-bg: #bd2130;
    --btn-success-bg: var(--lux-success);
    --btn-success-hover-bg: #157347;
    --btn-success-active-bg: #146c43;
    --btn-success-text: var(--lux-white);
    --btn-warning-bg: var(--lux-warning);
    --btn-warning-hover-bg: #ffca2c;
    --btn-warning-active-bg: #ffcd39;
    --btn-warning-text: var(--lux-gray-900);
    --btn-info-bg: var(--lux-info);
    --btn-info-hover-bg: #31d2f2;
    --btn-info-active-bg: #3dd5f3;
    --btn-info-text: var(--lux-gray-900);
    --table-header-bg: var(--lux-gray-100);
    --table-row-hover-bg: rgba(0, 90, 140, 0.04);
    --table-stripe-bg: var(--lux-gray-50);
    --table-border: var(--lux-gray-200);
    --card-bg: var(--color-surface);
    --card-border: var(--color-border);
    --card-shadow: var(--lux-shadow-xs);
    --card-radius: var(--lux-radius-lg);
    --filter-bar-radius: var(--lux-radius-lg);
    --filter-bar-shadow: var(--lux-shadow-xs);

    --wa-green: #25d366;
    --wa-dark: #128c7e;
    --wa-teal: #075e54;
    --wa-light: #ece5dd;
    --wa-message-sent: #dcf8c6;
    --wa-message-received: #ffffff;
    --wa-header: #f0f2f5;
    --wa-border: #e4e6eb;

    --lux-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --lux-font-mono: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --lux-text-xs: 0.75rem;
    --lux-text-sm: 0.875rem;
    --lux-text-base: 1rem;
    --lux-text-md: 1.125rem;
    --lux-text-lg: 1.25rem;
    --lux-text-xl: 1.5rem;
    --lux-text-2xl: 1.75rem;
    --lux-text-3xl: 2.25rem;

    --lux-space-1: 0.25rem;
    --lux-space-2: 0.5rem;
    --lux-space-3: 0.75rem;
    --lux-space-4: 1rem;
    --lux-space-5: 1.25rem;
    --lux-space-6: 1.5rem;
    --lux-space-8: 2rem;
    --lux-space-10: 2.5rem;
    --lux-space-12: 3rem;

    --lux-radius-sm: 4px;
    --lux-radius-md: 8px;
    --lux-radius-lg: 12px;
    --lux-radius-xl: 16px;
    --lux-radius-full: 9999px;

    --lux-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --lux-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --lux-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --lux-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --lux-shadow-focus: 0 0 0 0.2rem rgba(0, 125, 197, 0.25);

    --lux-z-dropdown: 1000;
    --lux-z-sidebar: 1000;
    --lux-z-sidebar-btn: 1100;
    --lux-z-modal: 1050;
    --lux-z-tooltip: 1080;
    --lux-z-toast: 1090;

    --lux-transition-fast: 150ms ease;
    --lux-transition-base: 200ms ease;
    --lux-transition-slow: 300ms ease;
    --lux-transition-panel: 500ms ease;
}

.lux-scope.lux-scope--wa {
    --color-accent: var(--wa-dark);
    --color-link: var(--wa-teal);
    --color-link-hover: var(--wa-teal);
    --color-focus: var(--wa-teal);
    --table-row-hover-bg: rgba(37, 211, 102, 0.04);
    --btn-primary-bg: var(--wa-dark);
    --btn-primary-hover-bg: var(--wa-teal);
    --btn-primary-active-bg: #054d44;
    --btn-primary-text: var(--lux-white);
}

html,
body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--lux-font-family);
}

body {
    overflow-x: hidden;
}

a {
    color: var(--color-link);
    transition: color var(--lux-transition-fast);
}

a:hover,
a:focus {
    color: var(--color-link-hover);
}

.btn-primary,
.btn.btn-primary {
    background-color: var(--btn-primary-bg);
    border-color: var(--btn-primary-border);
    color: var(--btn-primary-text);
    transition:
        background-color var(--lux-transition-fast),
        border-color var(--lux-transition-fast),
        box-shadow var(--lux-transition-fast);
}

.btn-primary:hover,
.btn-primary:focus,
.btn.btn-primary:hover,
.btn.btn-primary:focus {
    background-color: var(--btn-primary-hover-bg);
    border-color: var(--btn-primary-hover-bg);
    color: var(--btn-primary-text);
}

.btn-primary:active,
.btn.btn-primary:active {
    background-color: var(--btn-primary-active-bg);
    border-color: var(--btn-primary-active-bg);
    color: var(--btn-primary-text);
}

.btn-success,
.btn.btn-success {
    background-color: var(--btn-success-bg);
    border-color: var(--btn-success-bg);
    color: var(--btn-success-text);
    transition:
        background-color var(--lux-transition-fast),
        border-color var(--lux-transition-fast),
        box-shadow var(--lux-transition-fast);
}

.btn-success:hover,
.btn-success:focus,
.btn.btn-success:hover,
.btn.btn-success:focus {
    background-color: var(--btn-success-hover-bg);
    border-color: var(--btn-success-hover-bg);
    color: var(--btn-success-text);
}

.btn-success:active,
.btn.btn-success:active {
    background-color: var(--btn-success-active-bg);
    border-color: var(--btn-success-active-bg);
    color: var(--btn-success-text);
}

.btn-warning,
.btn.btn-warning {
    background-color: var(--btn-warning-bg);
    border-color: var(--btn-warning-bg);
    color: var(--btn-warning-text);
    transition:
        background-color var(--lux-transition-fast),
        border-color var(--lux-transition-fast),
        box-shadow var(--lux-transition-fast);
}

.btn-warning:hover,
.btn-warning:focus,
.btn.btn-warning:hover,
.btn.btn-warning:focus {
    background-color: var(--btn-warning-hover-bg);
    border-color: var(--btn-warning-hover-bg);
    color: var(--btn-warning-text);
}

.btn-warning:active,
.btn.btn-warning:active {
    background-color: var(--btn-warning-active-bg);
    border-color: var(--btn-warning-active-bg);
    color: var(--btn-warning-text);
}

.btn-info,
.btn.btn-info {
    background-color: var(--btn-info-bg);
    border-color: var(--btn-info-bg);
    color: var(--btn-info-text);
    transition:
        background-color var(--lux-transition-fast),
        border-color var(--lux-transition-fast),
        box-shadow var(--lux-transition-fast);
}

.btn-info:hover,
.btn-info:focus,
.btn.btn-info:hover,
.btn.btn-info:focus {
    background-color: var(--btn-info-hover-bg);
    border-color: var(--btn-info-hover-bg);
    color: var(--btn-info-text);
}

.btn-info:active,
.btn.btn-info:active {
    background-color: var(--btn-info-active-bg);
    border-color: var(--btn-info-active-bg);
    color: var(--btn-info-text);
}

.btn-outline-primary,
.btn.btn-outline-primary {
    color: var(--lux-accent);
    border-color: var(--lux-accent);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn.btn-outline-primary:hover,
.btn.btn-outline-primary:focus {
    background-color: rgba(0, 90, 140, 0.08);
    border-color: var(--lux-accent);
    color: var(--lux-accent-dark);
}

.btn-outline-secondary,
.btn.btn-outline-secondary {
    color: var(--lux-gray-700);
    border-color: var(--lux-gray-700);
    background-color: var(--lux-white);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus,
.btn.btn-outline-secondary:hover,
.btn.btn-outline-secondary:focus {
    color: var(--lux-white);
    background-color: var(--lux-gray-700);
    border-color: var(--lux-gray-700);
}

.btn:focus,
.btn:focus-visible,
.form-control:focus,
.form-select:focus,
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    box-shadow: var(--lux-shadow-focus);
}

.lux-action-group,
.lux-form-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--lux-space-2);
}

.lux-action-group {
    display: inline-flex;
}

.lux-action-group--comfortable {
    gap: var(--lux-space-3);
}

.lux-form-actions {
    justify-content: flex-end;
    margin-top: var(--lux-space-4);
}

.lux-form-actions--sticky {
    position: sticky;
    bottom: 0;
    z-index: 10;
    padding: var(--lux-space-4) 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.lux-card,
.card,
.modal-content,
.filter-card,
.wa-admin-panel,
.wa-admin-card,
.cache-card,
.domain-table {
    background: var(--card-bg);
    border-color: var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
}

.lux-card,
.card {
    overflow: hidden;
}

.lux-stats-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    padding: var(--lux-space-6);
    text-align: center;
    height: 100%;
}

.card-body.lux-stats-card {
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.lux-stats-card__label {
    font-size: var(--lux-text-sm);
    font-weight: 500;
    color: var(--lux-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.lux-stats-card__value {
    font-size: var(--lux-text-3xl);
    font-weight: 700;
    color: var(--lux-gray-900);
    line-height: 1.2;
}

.lux-stats-card__detail {
    margin-top: var(--lux-space-1);
    font-size: var(--lux-text-xs);
    color: var(--color-text-muted);
}

.lux-stats-card__detail--up,
.lux-stats-card__detail--success {
    color: var(--lux-success);
}

.lux-stats-card__detail--down,
.lux-stats-card__detail--danger {
    color: var(--lux-danger);
}

.lux-stats-card__detail--warning {
    color: var(--lux-warning-text);
}

#mainContent > .card,
#mainContent > .lux-card,
.page-content-shell > .card,
.page-content-shell > .lux-card,
.container > .card,
.container > .lux-card,
.container-fluid > .card,
.container-fluid > .lux-card,
form > .card,
form > .lux-card,
form > details.card {
    margin-top: var(--lux-space-4);
    margin-bottom: var(--lux-space-4);
}

#mainContent > .card:first-child,
#mainContent > .lux-card:first-child,
.page-content-shell > .card:first-child,
.page-content-shell > .lux-card:first-child,
.container > .card:first-child,
.container > .lux-card:first-child,
.container-fluid > .card:first-child,
.container-fluid > .lux-card:first-child,
form > .card:first-child,
form > .lux-card:first-child,
form > details.card:first-child {
    margin-top: 0;
}

.card + .card,
.lux-card + .lux-card,
.card + .lux-card,
.lux-card + .card {
    margin-top: var(--lux-space-4);
}

.row > [class*="col"] > .card,
.row > [class*="col"] > .lux-card,
.card.h-100,
.lux-card.h-100 {
    margin-top: 0;
    margin-bottom: 0;
}

.card-header,
.modal-footer,
.table td,
.table th {
    --lux-inline-action-gap: var(--lux-space-2);
}

.modal-footer {
    gap: var(--lux-inline-action-gap);
}

.card-header.d-flex,
.table td .lux-action-group,
.table th .lux-action-group {
    gap: var(--lux-inline-action-gap);
}

#mainContent :where(.card-body, .card-header, .modal-footer, .table td, .lux-page-header__actions) > :where(.btn, .btn-group, form.d-inline):not(.w-100) + :where(.btn, .btn-group, form.d-inline):not(.w-100) {
    margin-inline-start: var(--lux-space-2);
}

#mainContent :where(.lux-action-group, .lux-form-actions, .modal-footer) > :where(.btn, .btn-group, form.d-inline) + :where(.btn, .btn-group, form.d-inline) {
    margin-inline-start: 0;
}

.lux-orcamento-modal-frame {
    display: block;
    min-height: min(70vh, 920px);
    border: 0;
    border-radius: var(--lux-radius-md);
    background: var(--lux-white);
}

.lux-orcamento-whatsapp-preview {
    min-height: min(52vh, 640px);
    max-height: min(70vh, 840px);
    overflow-y: auto;
    border-radius: var(--lux-radius-md);
    background: var(--lux-gray-50);
    white-space: pre-wrap;
}

.lux-orcamento-modal-tabs {
    margin-top: var(--lux-space-2, 0.5rem);
}

.lux-orcamento-whatsapp-panel {
    display: grid;
    gap: var(--lux-space-2, 0.5rem);
}

.lux-orcamento-whatsapp-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--lux-space-2, 0.5rem);
    flex-wrap: wrap;
}

.btn-lux-copy-whatsapp {
    color: #fff;
    background-color: var(--wa-dark, #128C7E);
    border-color: var(--wa-dark, #128C7E);
}

.btn-lux-copy-whatsapp:hover,
.btn-lux-copy-whatsapp:focus {
    color: #fff;
    background-color: var(--wa-green, #25D366);
    border-color: var(--wa-green, #25D366);
}

.text-muted,
.small.text-muted,
caption {
    color: var(--lux-gray-600) !important;
}

caption.accessibility-description-table {
    caption-side: bottom;
    font-size: 0.65rem;
    line-height: 1.2;
    text-align: right;
    margin-right: 3%;
}

.table thead,
.table thead th {
    color: var(--lux-gray-700);
}

.table thead,
.table thead th {
    background: var(--table-header-bg);
}

/* CP-007 DataTable: implementação canônica no template Sistema */
.lux-table,
.lux-datatable,
.table.lux-table,
.table.lux-datatable {
    width: 100%;
    margin-bottom: 0;
    table-layout: fixed;
}

.lux-table thead th,
.lux-datatable thead th,
.table.lux-table thead th,
.table.lux-datatable thead th {
    background: var(--table-header-bg);
    color: var(--lux-gray-700);
    border-bottom: 1px solid var(--table-border);
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.lux-table tbody td,
.lux-datatable tbody td,
.table.lux-table tbody td,
.table.lux-datatable tbody td {
    padding: 0.85rem 1rem;
    vertical-align: middle;
    border-top: 0;
    border-bottom: 1px solid var(--table-border);
}

.lux-table.table-striped tbody tr:nth-of-type(odd),
.lux-datatable.table-striped tbody tr:nth-of-type(odd),
.table.lux-table.table-striped tbody tr:nth-of-type(odd),
.table.lux-datatable.table-striped tbody tr:nth-of-type(odd) {
    background: var(--table-stripe-bg);
}

.lux-table tbody tr:hover,
.lux-datatable tbody tr:hover,
.table.lux-table tbody tr:hover,
.table.lux-datatable tbody tr:hover {
    background: var(--table-row-hover-bg);
}

.lux-table .lux-table__number,
.lux-datatable .lux-table__number {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.lux-table .lux-table__actions,
.lux-datatable .lux-table__actions,
.lux-table thead th.lux-table__actions,
.lux-datatable thead th.lux-table__actions,
.table.lux-table .lux-table__actions,
.table.lux-datatable .lux-table__actions {
    text-align: right;
    white-space: nowrap;
    vertical-align: middle;
}

.lux-table .lux-table__actions .lux-action-group,
.lux-datatable .lux-table__actions .lux-action-group,
.lux-table .lux-table__actions .exp-actions-group,
.lux-datatable .lux-table__actions .exp-actions-group {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: nowrap;
    gap: var(--lux-space-2, 0.5rem);
}

.lux-table tbody td .small.text-muted,
.lux-datatable tbody td .small.text-muted {
    display: block;
    margin-top: var(--lux-space-1, 0.25rem);
    line-height: 1.35;
    word-break: break-word;
}

.lux-table__cell-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--lux-space-1, 0.25rem);
    margin-top: var(--lux-space-1, 0.25rem);
}

.lux-table .lux-table__empty,
.lux-datatable .lux-table__empty {
    padding: 0;
    border-bottom: 0;
}

.lux-table.lux-table--compact thead th,
.lux-datatable.lux-table--compact thead th,
.table.lux-table.lux-table--compact thead th,
.table.lux-datatable.lux-table--compact thead th {
    padding: var(--lux-space-2, 0.5rem) var(--lux-space-3, 0.75rem);
}

.lux-table.lux-table--compact tbody td,
.lux-datatable.lux-table--compact tbody td,
.table.lux-table.lux-table--compact tbody td,
.table.lux-datatable.lux-table--compact tbody td {
    padding-top: var(--lux-space-2);
    padding-bottom: var(--lux-space-2);
}

/* CP-007 — wrapper scrollável (views: tabindex="0" + aria-label) */
.table-responsive.lux-datatable-scroll,
.lux-datatable-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.lux-datatable-scroll:focus-visible {
    outline: 2px solid var(--lux-accent, #007DC5);
    outline-offset: 2px;
}

/* CP-007 — shell visual (bordas arredondadas) para listagens tabulares */
.lux-datatable-shell,
.page-content-shell > .data-table-wrapper,
.contratos-wrapper > .data-table-wrapper,
.page-content-shell > .table-responsive:has(.lux-table),
.page-content-shell > .table-responsive:has(.lux-datatable) {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

/* BS4 polyfill — views usam utilitários BS5 (text-end/text-start) */
.text-end {
    text-align: right !important;
}

.text-start {
    text-align: left !important;
}

.lux-table tbody td:not(.lux-table__actions):not(.lux-table__number),
.lux-datatable tbody td:not(.lux-table__actions):not(.lux-table__number),
.table.lux-table tbody td:not(.lux-table__actions):not(.lux-table__number),
.table.lux-datatable tbody td:not(.lux-table__actions):not(.lux-table__number) {
    text-align: left;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
}

code,
.font-monospace {
    color: #7a143b;
    font-family: var(--lux-font-mono);
}

/* Bootstrap 4 não inclui .btn-close — polyfill alinhado ao DESIGN_SYSTEM_LUX §4.11 */
.btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    min-width: 1em;
    min-height: 1em;
    padding: 0.25em;
    color: var(--color-text);
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    border: 0;
    border-radius: var(--lux-radius-sm);
    opacity: 0.55;
    flex-shrink: 0;
}

.btn-close:hover,
.btn-close:focus {
    color: var(--color-text);
    opacity: 0.85;
    outline: 0;
    box-shadow: var(--lux-shadow-focus);
}

/* form-select (BS5) em stack BS4 */
.form-select {
    display: block;
    width: 100%;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--lux-radius-sm);
    appearance: none;
    transition: border-color var(--lux-transition-fast), box-shadow var(--lux-transition-fast);
}

.form-select:focus {
    border-color: var(--color-focus);
    outline: 0;
    box-shadow: var(--lux-shadow-focus);
}

.form-label {
    margin-bottom: 0.35rem;
    font-size: var(--lux-text-sm);
    font-weight: 600;
    color: var(--color-text-muted);
}

.lux-modal .modal-content {
    border-radius: var(--lux-radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.lux-modal .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--lux-space-3);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.lux-modal .modal-title {
    margin: 0;
    font-size: var(--lux-text-lg);
    font-weight: 600;
    color: var(--color-text);
}

.lux-modal .modal-body {
    padding: 1.5rem;
}

.lux-modal .modal-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
}

.lux-modal .modal-header .btn-close {
    margin: 0;
}

/* Skeleton de pagina (DS §4.1a-§4.2a) */
.page-content-shell {
    max-width: 1360px;
    margin: 0 auto;
    padding: 24px;
}

.lux-page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.lux-page-header__main {
    min-width: 0;
}

.lux-page-header__title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.lux-page-header__subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0.25rem 0 0 0;
}

.lux-page-header__actions {
    flex-shrink: 0;
}

.lux-page-header--with-back .lux-page-header__back {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.lux-page-header--with-back .lux-page-header__back:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

.lux-breadcrumb {
    margin-bottom: 1rem;
}

.lux-breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.lux-breadcrumb__item {
    display: inline-flex;
    align-items: center;
    color: var(--color-text-muted);
    font-size: var(--lux-text-sm);
}

.lux-breadcrumb__item:not(.is-current)::after {
    content: "/";
    margin-left: 0.5rem;
    color: var(--lux-gray-400);
}

.lux-breadcrumb__link {
    color: var(--color-link);
    text-decoration: none;
}

.lux-breadcrumb__link:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

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

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

@media (max-width: 992px) {
    .page-content-shell {
        padding: 16px;
    }
}

@media (max-width: 576px) {
    .page-content-shell {
        padding: 12px;
    }
}

.page-content-shell--narrow { max-width: 840px; margin: 0 auto; padding: 24px; }
.page-content-shell--full { max-width: none; margin: 0 auto; padding: 24px; }
@media (max-width: 992px) { .page-content-shell--narrow, .page-content-shell--full { padding: 16px; } }
@media (max-width: 576px) { .page-content-shell--narrow, .page-content-shell--full { padding: 12px; } }

/* Lux badges (Design System §4.13) */
.lux-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    vertical-align: middle;
}
.lux-badge--success { background: #D1E7DD; color: #0f5132; }
.lux-badge--danger  { background: #F8D7DA; color: #DC3545; }
.lux-badge--warning { background: #FFF3CD; color: #664d03; }
.lux-badge--info    { background: #CFF4FC; color: #005A8C; }
.lux-badge--neutral { background: #F1F3F5; color: #495057; }