.page-shell {
    display: grid;
    gap: var(--space-8);
    width: min(100%, 72rem);
    margin: 0 auto;
    padding: var(--space-8);
}

.section-header p,
.stat-card span,
.empty-state p {
    color: var(--color-muted);
}

.section-header h1,
.card-title {
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
    gap: var(--content-gap);
}

.ui-card,
.stat-card,
.empty-state,
.loading-state {
    padding: var(--card-padding);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: linear-gradient(165deg, var(--color-surface-raised) 0%, var(--color-surface-warm) 100%);
    box-shadow: var(--shadow-premium);
    transition:
        box-shadow var(--motion-duration-fast) var(--motion-ease-standard),
        border-color var(--motion-duration-fast) var(--motion-ease-standard);
}

.ui-card:hover,
.stat-card:hover,
.order-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-premium-hover);
}

.stat-card {
    background: linear-gradient(165deg, var(--color-surface-raised) 0%, var(--color-surface-warm) 100%);
}

.stat-card span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.02em;
}

.section-header {
    display: grid;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.section-header h1 {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.card-title {
    margin-bottom: var(--space-4);
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.01em;
}

.stat-card strong {
    display: block;
    margin-top: var(--space-2);
    font-size: clamp(1.5rem, 4vw, 1.75rem);
    font-weight: var(--font-weight-bold);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.ui-card > .table-wrap {
    margin-inline: calc(var(--card-padding) * -1);
    margin-bottom: calc(var(--card-padding) * -1);
    padding-inline: var(--card-padding);
}

.filter-bar {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
    min-height: 2.75rem;
    min-width: min(100%, 18rem);
    padding: 0 var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface-raised);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
    transition:
        border-color var(--motion-duration-fast) var(--motion-ease-standard),
        box-shadow var(--motion-duration-fast) var(--motion-ease-standard);
}

.filter-bar input:focus-visible,
.filter-bar select:focus-visible {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm), 0 0 0 3px rgb(201 162 39 / 0.2);
}

[data-theme="dark"] .filter-bar input:focus-visible,
[data-theme="dark"] .filter-bar select:focus-visible {
    box-shadow: var(--shadow-sm), 0 0 0 3px rgb(212 175 55 / 0.22);
}

.button,
.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    min-height: 2.75rem;
    padding: 0 var(--space-5);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
    background: var(--color-surface-raised);
    color: var(--color-text);
    text-decoration: none;
    transition:
        background var(--motion-duration-fast) var(--motion-ease-standard),
        border-color var(--motion-duration-fast) var(--motion-ease-standard),
        box-shadow var(--motion-duration-fast) var(--motion-ease-standard);
}

.button-primary {
    border-color: transparent;
    background: linear-gradient(180deg, var(--color-accent-soft) 0%, var(--color-accent) 100%);
    color: var(--color-accent-contrast);
    box-shadow: var(--shadow-sm);
}

.button:hover:not(:disabled) {
    border-color: var(--color-border-strong);
    background: var(--color-surface-warm);
}

.button-primary:hover:not(:disabled) {
    box-shadow: var(--shadow-premium-hover);
    filter: brightness(1.03);
}

.button:active:not(:disabled) {
    transform: scale(0.98);
    opacity: 0.92;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    background: var(--color-surface-muted);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.02em;
    line-height: 1.35;
}

.badge-warning {
    background: var(--color-badge-warning-bg);
    color: var(--color-warning);
}

.badge-accent {
    background: var(--color-badge-accent-bg);
    color: var(--color-accent);
}

.badge-success {
    background: var(--color-badge-success-bg);
    color: var(--color-success);
}

.badge-danger {
    background: var(--color-badge-danger-bg);
    color: var(--color-danger);
}

.badge-primary {
    background: var(--color-badge-primary-bg);
    color: var(--color-primary);
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid var(--color-border-soft);
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    color: var(--color-text-muted);
    font-size: 0.72rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
}

.data-table td {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.data-table tbody tr:nth-child(even) {
    background: var(--color-row-stripe);
}

.data-table tbody tr:last-child td {
    border-bottom: 0;
}

.data-table-row-link {
    cursor: pointer;
    transition: background var(--motion-duration-fast) var(--motion-ease-standard);
}

.data-table-row-link:hover,
.data-table-row-link:focus-visible {
    background: var(--color-row-hover);
}

.order-link {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium, 500);
    text-decoration: none;
}

.order-link:hover,
.order-link:focus-visible {
    color: var(--color-accent);
    text-decoration: underline;
}

.pagination {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    align-items: center;
}

.pagination a:hover,
.pagination a:focus-visible {
    border-color: var(--color-accent);
    background: var(--color-surface-warm);
    color: var(--color-text);
}

.pagination span {
    border-color: transparent;
    background: linear-gradient(180deg, var(--color-accent-soft) 0%, var(--color-accent) 100%);
    color: var(--color-accent-contrast);
    font-weight: var(--font-weight-semibold);
}

.button-secondary {
    background: var(--color-secondary);
    color: var(--color-secondary-contrast);
}

.button-ghost {
    background: transparent;
}

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

.button-success {
    background: var(--color-success);
    color: var(--color-success-contrast);
}

.button-warning {
    background: var(--color-warning);
    color: var(--color-warning-contrast);
}

.button-sm {
    min-height: var(--space-8);
    padding-inline: var(--space-3);
}

.button-lg {
    min-height: var(--space-12);
    padding-inline: var(--space-6);
}

.field,
.choice {
    display: grid;
    gap: var(--space-2);
    color: var(--color-text-muted);
}

.choice {
    grid-template-columns: auto 1fr;
    align-items: center;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    min-height: var(--space-10);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface-raised);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
    transition:
        border-color var(--motion-duration-fast) var(--motion-ease-standard),
        box-shadow var(--motion-duration-fast) var(--motion-ease-standard);
}

.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: var(--shadow-sm), 0 0 0 3px rgb(201 162 39 / 0.2);
}

[data-theme="dark"] .field input:focus-visible,
[data-theme="dark"] .field textarea:focus-visible,
[data-theme="dark"] .field select:focus-visible {
    box-shadow: var(--shadow-sm), 0 0 0 3px rgb(212 175 55 / 0.22);
}

.modal {
    position: fixed;
    inset: var(--space-0);
    z-index: var(--z-modal);
    display: grid;
    place-items: center;
    padding: var(--space-4);
    background: var(--color-overlay);
}

.modal-panel,
.drawer,
.dropdown-menu {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
}

.modal-panel {
    width: min(100%, var(--container-sm));
    padding: var(--space-6);
}

.drawer {
    width: min(100%, var(--sidebar-width));
    padding: var(--space-4);
}

.tooltip {
    position: relative;
    color: var(--color-primary);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    z-index: var(--z-dropdown, var(--z-tooltip));
    display: grid;
    gap: var(--space-1);
    min-width: 12rem;
    padding: var(--space-2);
}

.tabs {
    display: flex;
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.tab {
    padding: var(--space-2) var(--space-3);
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--color-text-muted);
}

.tab.is-active {
    border-color: var(--color-primary);
    color: var(--color-text);
}

.toast {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
}

.toast-success {
    border-color: var(--color-success);
}

.toast-danger {
    border-color: var(--color-danger);
}

.skeleton {
    display: grid;
    gap: var(--space-2);
}

.skeleton-line {
    display: block;
    height: var(--space-4);
    border-radius: var(--radius-pill);
    background: var(--color-surface-muted);
}

.icon {
    display: inline-block;
    width: var(--space-4);
    height: var(--space-4);
    background: currentColor;
    mask: radial-gradient(circle, currentColor 55%, transparent 56%);
}

.content-area {
    display: grid;
    gap: var(--content-gap);
}

/* Operational stack cards (orders + future list modules) */
.stack-card-list,
.order-card-list {
    display: none;
    gap: var(--space-3);
}

.stack-card,
.order-card {
    display: grid;
    gap: var(--space-2);
    min-height: 2.75rem;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: linear-gradient(165deg, var(--color-surface-raised) 0%, var(--color-surface-warm) 100%);
    box-shadow: var(--shadow-premium);
    color: inherit;
    text-decoration: none;
    transition:
        background var(--motion-duration-fast) var(--motion-ease-standard),
        border-color var(--motion-duration-fast) var(--motion-ease-standard),
        box-shadow var(--motion-duration-fast) var(--motion-ease-standard);
}

.stack-card:active,
.order-card:active {
    background: var(--color-row-hover);
    border-color: var(--color-border-strong);
}

.stack-card-header,
.stack-card-body,
.order-card-header,
.order-card-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.stack-card-header strong,
.order-card-header strong {
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.01em;
}

.stack-card-meta,
.order-card-meta {
    color: var(--color-text-faint);
    font-size: var(--font-size-xs);
}

.stack-card-total,
.order-card-total {
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-bold);
    font-variant-numeric: tabular-nums;
}

.module-table-desktop,
.order-table-desktop {
    display: block;
}

.filter-bar.sticky-filter {
    position: sticky;
    top: calc(var(--header-height) + var(--space-2));
    z-index: calc(var(--z-header) - 1);
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: linear-gradient(165deg, var(--color-surface-raised) 0%, var(--color-surface-warm) 100%);
    box-shadow: var(--shadow-premium);
}

.filter-status select {
    min-height: 2.75rem;
    min-width: 10rem;
}

.order-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: var(--space-4);
}

.order-detail-card {
    display: grid;
    gap: var(--space-4);
}

.detail-list {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-0);
}

.detail-list div {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.detail-list dt {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.detail-list dd {
    margin: var(--space-0);
    text-align: right;
}

.detail-total dd strong {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.order-back-link {
    margin-bottom: var(--space-2);
}

.order-summary-grid .stat-card strong {
    color: var(--color-primary);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: var(--space-0);
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 64rem) {
    .module-table-desktop,
    .order-table-desktop {
        display: none;
    }

    .stack-card-list,
    .order-card-list {
        display: grid;
    }

}

/* Orders-first premium migration (scoped — shell and other routes unchanged) */
.page-orders {
    font-family: "Inter", var(--font-sans);
}

.page-orders .page-container {
    gap: var(--space-5);
}

.page-orders .section-header {
    margin-bottom: var(--space-2);
}

.page-orders .section-header h1 {
    font-size: clamp(1.25rem, 3.5vw, 1.5rem);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
}

.page-orders .section-header p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.page-orders .order-summary-grid {
    gap: var(--space-3);
}

.page-orders .order-summary-grid .stat-card strong {
    color: var(--color-primary);
}

.page-orders .order-summary-grid .stat-card:first-child {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-premium-hover);
}

.page-orders .order-filter-bar.sticky-filter {
    align-items: center;
    gap: var(--space-3);
}

.page-orders .order-filter-bar input[type="search"] {
    flex: 1 1 14rem;
}

.page-orders .order-filter-bar .button-primary {
    min-width: 5.5rem;
}

.page-orders .ui-card .card-title {
    font-size: 1rem;
    letter-spacing: -0.01em;
}

.page-orders .table-wrap {
    -webkit-overflow-scrolling: touch;
}

.page-orders .data-table th {
    font-size: 0.7rem;
}

.page-orders .data-table td {
    font-size: var(--font-size-sm);
}

.page-orders .order-link {
    font-weight: var(--font-weight-semibold);
}

.page-orders .order-card-list {
    gap: var(--space-2);
}

.page-orders .order-card {
    min-height: 3rem;
    padding: 0.875rem 1rem;
}

.page-orders .order-card:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent) 42%, transparent);
}

.page-orders .order-card-body > span:first-child {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-orders .order-card-total {
    flex-shrink: 0;
    font-size: 0.9375rem;
}

.page-orders .pagination {
    margin-top: var(--space-2);
    padding-top: var(--space-2);
}

[data-theme="dark"] .page-orders .order-card {
    border-color: var(--color-border-strong);
}

[data-theme="dark"] .page-orders .order-filter-bar.sticky-filter {
    background: linear-gradient(165deg, var(--color-surface-raised) 0%, var(--color-surface-muted) 100%);
}

@media (max-width: 64rem) {
    .page-orders .order-summary-grid {
        display: flex;
        gap: var(--space-3);
        margin-inline: calc(var(--space-4) * -1);
        padding-inline: var(--space-4);
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .page-orders .order-summary-grid::-webkit-scrollbar {
        display: none;
    }

    .page-orders .order-summary-grid .stat-card {
        flex: 0 0 min(72vw, 11.5rem);
        scroll-snap-align: start;
    }

    .page-orders .order-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .page-orders .order-filter-bar input,
    .page-orders .order-filter-bar select,
    .page-orders .order-filter-bar .button {
        width: 100%;
        min-width: 0;
    }

    .page-orders .order-filter-bar.sticky-filter {
        top: var(--space-0);
        z-index: calc(var(--z-header) - 1);
    }

    .page-orders .page-container {
        padding-bottom: calc(var(--mobile-nav-height) + var(--space-8) + env(safe-area-inset-bottom));
    }

    .page-orders .order-card-list {
        gap: 0.5rem;
    }

    .page-orders .order-card {
        min-height: 3.25rem;
    }
}

.auth-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 28rem);
    gap: var(--space-8);
    min-height: 100vh;
    align-items: center;
    width: min(100%, var(--container-xl));
    margin-inline: auto;
    padding: var(--space-8);
}

.auth-brand,
.auth-card {
    display: grid;
    gap: var(--space-4);
}

.auth-brand h1 {
    font-family: var(--font-serif);
    color: var(--color-primary);
}

.auth-card {
    padding: var(--space-8);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-2xl);
    background: var(--color-surface-raised);
    box-shadow: var(--shadow-lg);
}

.auth-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.form-stack {
    display: grid;
    gap: var(--space-4);
}

.password-field {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-2);
}

.button:disabled {
    cursor: wait;
    opacity: 0.72;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--space-10);
    height: var(--space-10);
    padding: var(--space-0);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
    background: var(--color-surface-raised);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition:
        background var(--motion-duration-fast) var(--motion-ease-standard),
        border-color var(--motion-duration-fast) var(--motion-ease-standard),
        box-shadow var(--motion-duration-fast) var(--motion-ease-standard),
        transform var(--motion-duration-fast) var(--motion-ease-standard);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
    border-color: var(--color-accent);
    background: var(--color-surface-warm);
    box-shadow: var(--shadow-md);
}

.theme-toggle-icon {
    position: relative;
    display: block;
    width: var(--space-5);
    height: var(--space-5);
    border-radius: var(--radius-pill);
    background: currentColor;
    box-shadow: inset calc(var(--space-2) * -1) calc(var(--space-1) * -1) 0 0 var(--color-bg-elevated);
    transition: transform var(--motion-duration-fast) var(--motion-ease-standard);
}

[data-theme="dark"] .theme-toggle-icon {
    box-shadow: inset var(--space-2) var(--space-1) 0 0 var(--color-sidebar-bg-end);
}

.theme-toggle[aria-pressed="true"] .theme-toggle-icon {
    transform: rotate(180deg);
}

.toast-error {
    border-color: var(--color-danger);
}

.toast-warning {
    border-color: var(--color-warning);
}

.toast-info {
    border-color: var(--color-primary);
}

@media (max-width: 64rem) {
    .auth-layout {
        grid-template-columns: 1fr;
        padding: var(--space-4);
    }
}