/*
 * Modern UI
 * A presentation-only layer. All rules are scoped to data-interface="modern"
 * so the established classic interface remains available without side effects.
 */

.modern-nav-icon,
.modern-nav-toggle,
.modern-nav-close,
.modern-nav-backdrop,
.modern-theme-icon {
    display: none;
}

[data-interface="modern"] {
    --bg: #f1f1f1;
    --panel: #ffffff;
    --surface: #ffffff;
    --surface-soft: #f7f7f7;
    --surface-muted: #f3f3f3;
    --surface-alt: #ebebeb;
    --ink: #202223;
    --text: #202223;
    --muted: #616161;
    --line: #d4d4d4;
    --line-strong: #b5b5b5;
    --accent: #005bd3;
    --accent-strong: #004299;
    --accent-soft: #eaf2ff;
    --danger: #c5280c;
    --success: #008060;
    --warning: #916a00;
    --badge-success-bg: #e5f5f0;
    --badge-muted-bg: #ececec;
    --badge-warning-bg: #fff5d9;
    --badge-danger-bg: #fff0ed;
    --sidebar-bg: #ebebeb;
    --sidebar-ink: #202223;
    --sidebar-muted: #616161;
    --sidebar-nav: #303030;
    --overlay: rgba(20, 20, 20, .48);
    --log-bg: #202223;
    --log-ink: #f1f1f1;
    --shadow: 0 12px 34px rgba(0, 0, 0, .16);
    --shadow-soft: 0 1px 2px rgba(0, 0, 0, .08);
    --shadow-panel: 0 1px 0 rgba(0, 0, 0, .05);
    color-scheme: light;
}

[data-interface="modern"][data-theme="dark"] {
    --bg: #111213;
    --panel: #1c1d1f;
    --surface: #1c1d1f;
    --surface-soft: #242527;
    --surface-muted: #202123;
    --surface-alt: #2c2d30;
    --ink: #f1f1f1;
    --text: #f1f1f1;
    --muted: #b5b5b5;
    --line: #38393c;
    --line-strong: #525357;
    --accent: #6ea8fe;
    --accent-strong: #9fc3ff;
    --accent-soft: #202f46;
    --danger: #ff8a75;
    --success: #5fd4b4;
    --warning: #e8c45d;
    --badge-success-bg: #173d34;
    --badge-muted-bg: #303136;
    --badge-warning-bg: #413719;
    --badge-danger-bg: #49241f;
    --sidebar-bg: #18191b;
    --sidebar-ink: #f1f1f1;
    --sidebar-muted: #a6a7aa;
    --sidebar-nav: #dedede;
    --overlay: rgba(0, 0, 0, .68);
    --log-bg: #0d0e0f;
    --log-ink: #eeeeee;
    --shadow: 0 14px 40px rgba(0, 0, 0, .48);
    --shadow-soft: 0 1px 2px rgba(0, 0, 0, .32);
    --shadow-panel: 0 1px 0 rgba(255, 255, 255, .03);
    color-scheme: dark;
}

[data-interface="modern"] body {
    grid-template-columns: 252px minmax(0, 1fr);
    background: var(--bg);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.45;
}

[data-interface="modern"] ::selection {
    background: color-mix(in srgb, var(--accent) 28%, transparent);
}

[data-interface="modern"] :focus-visible {
    outline: 2px solid var(--accent) !important;
    outline-offset: 2px;
    box-shadow: none !important;
}

[data-interface="modern"] .sidebar {
    position: sticky;
    z-index: 60;
    top: 0;
    display: flex;
    flex-direction: column;
    width: 252px;
    height: 100vh;
    min-height: 100vh;
    padding: 14px 12px;
    overflow: auto;
    border-right: 1px solid var(--line);
    background: var(--sidebar-bg);
    color: var(--sidebar-ink);
    scrollbar-width: thin;
}

[data-interface="modern"] .brand {
    min-height: 54px;
    gap: 11px;
    margin: 0 4px 14px;
    padding: 6px;
}

[data-interface="modern"] .brand-mark {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border: 1px solid color-mix(in srgb, var(--success) 60%, var(--line));
    border-radius: 8px;
    background: var(--success);
    color: #fff;
    box-shadow: none;
}

[data-interface="modern"] .brand strong {
    color: var(--sidebar-ink);
    font-size: 14px;
    letter-spacing: 0;
}

[data-interface="modern"] .brand span {
    color: var(--sidebar-muted);
    font-size: 12px;
}

[data-interface="modern"] .nav {
    flex: 1;
    align-content: start;
    gap: 4px;
}

[data-interface="modern"] .nav-group {
    gap: 2px;
}

[data-interface="modern"] .nav-item,
[data-interface="modern"] .nav-sub-item {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 36px;
    gap: 10px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    box-shadow: none;
    color: var(--sidebar-nav);
    text-align: left;
}

[data-interface="modern"] .nav-item {
    padding: 8px 10px;
    font-size: 14px;
    font-weight: 600;
}

[data-interface="modern"] .nav-sub {
    gap: 2px;
    margin: 0 0 4px 20px;
    padding: 0 0 0 10px;
    border-left: 1px solid var(--line);
}

[data-interface="modern"] .nav-sub-item {
    min-height: 32px;
    padding: 6px 9px;
    color: var(--sidebar-muted);
    font-size: 13px;
    font-weight: 600;
}

[data-interface="modern"] .nav-item:hover,
[data-interface="modern"] .nav-sub-item:hover {
    background: color-mix(in srgb, var(--ink) 7%, transparent);
    color: var(--sidebar-ink);
    box-shadow: none;
}

[data-interface="modern"] .nav-item.active,
[data-interface="modern"] .nav-sub-item.active {
    background: color-mix(in srgb, var(--accent) 13%, transparent);
    color: var(--accent-strong);
    box-shadow: none;
}

[data-interface="modern"][data-theme="dark"] .nav-item.active,
[data-interface="modern"][data-theme="dark"] .nav-sub-item.active {
    color: var(--accent);
}

[data-interface="modern"] .modern-nav-icon {
    display: block;
    width: 17px;
    height: 17px;
    flex: 0 0 17px;
}

[data-interface="modern"] .nav-sub-item .modern-nav-icon {
    width: 15px;
    height: 15px;
    flex-basis: 15px;
}

[data-interface="modern"] .account-box {
    gap: 8px;
    margin-top: 12px;
    padding: 13px 5px 0;
    border-top-color: var(--line);
}

[data-interface="modern"] .account-box span {
    color: var(--sidebar-muted);
    font-size: 12px;
}

[data-interface="modern"] .account-box .ghost {
    justify-content: flex-start;
    min-height: 36px;
    border-color: transparent;
    background: transparent;
    color: var(--sidebar-ink);
}

[data-interface="modern"] .account-box .ghost:hover {
    border-color: var(--line);
    background: var(--surface-alt);
}

[data-interface="modern"] .shell {
    width: 100%;
    min-width: 0;
    padding: 24px clamp(18px, 2.7vw, 42px) 44px;
}

[data-interface="modern"] .topbar {
    position: sticky;
    z-index: 35;
    top: 0;
    min-height: 58px;
    margin: -24px calc(clamp(18px, 2.7vw, 42px) * -1) 20px;
    padding: 11px clamp(18px, 2.7vw, 42px);
    border-bottom: 1px solid transparent;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    backdrop-filter: blur(12px);
}

[data-interface="modern"] .topbar h1 {
    font-size: clamp(24px, 2vw, 30px);
    line-height: 1.15;
    letter-spacing: 0;
}

[data-interface="modern"] .topbar .eyebrow {
    margin-bottom: 2px;
    color: var(--muted);
    font-size: 10px;
}

[data-interface="modern"] .topbar-actions {
    gap: 8px;
}

[data-interface="modern"] button,
[data-interface="modern"] .primary,
[data-interface="modern"] .ghost,
[data-interface="modern"] .danger,
[data-interface="modern"] .link-button,
[data-interface="modern"] .upload-button,
[data-interface="modern"] .signal,
[data-interface="modern"] .signal-action {
    min-height: 38px;
    border-radius: 7px;
    font-weight: 650;
}

[data-interface="modern"] .primary {
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .08);
}

[data-interface="modern"] .primary:hover {
    border-color: var(--accent-strong);
    background: var(--accent-strong);
}

[data-interface="modern"] .ghost,
[data-interface="modern"] .theme-toggle,
[data-interface="modern"] .upload-button,
[data-interface="modern"] .link-button {
    border: 1px solid var(--line-strong);
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 1px 0 rgba(0, 0, 0, .04);
}

[data-interface="modern"] .ghost:hover,
[data-interface="modern"] .theme-toggle:hover,
[data-interface="modern"] .upload-button:hover,
[data-interface="modern"] .link-button:hover {
    border-color: var(--line-strong);
    background: var(--surface-alt);
}

[data-interface="modern"] .danger {
    border-color: color-mix(in srgb, var(--danger) 50%, var(--line));
    background: var(--badge-danger-bg);
    color: var(--danger);
}

[data-interface="modern"] .signal,
[data-interface="modern"] .signal-action {
    border-color: #c66a00;
    background: #f58b00;
    color: #fff;
    box-shadow: none;
}

[data-interface="modern"] .theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

[data-interface="modern"] .modern-theme-icon {
    display: block;
    width: 16px;
    height: 16px;
}

[data-interface="modern"] input,
[data-interface="modern"] select,
[data-interface="modern"] textarea {
    min-height: 40px;
    border: 1px solid var(--line-strong);
    border-radius: 7px;
    background: var(--surface);
    color: var(--ink);
    box-shadow: inset 0 1px 0 rgba(0, 0, 0, .02);
}

[data-interface="modern"] input:hover,
[data-interface="modern"] select:hover,
[data-interface="modern"] textarea:hover {
    border-color: color-mix(in srgb, var(--line-strong) 70%, var(--ink));
}

[data-interface="modern"] input:focus,
[data-interface="modern"] select:focus,
[data-interface="modern"] textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

[data-interface="modern"] label > span,
[data-interface="modern"] .field-label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 650;
}

[data-interface="modern"] .stats {
    gap: 12px;
    margin-bottom: 16px;
}

[data-interface="modern"] .stats article,
[data-interface="modern"] .panel,
[data-interface="modern"] .metric-card,
[data-interface="modern"] .review-workspace-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow-panel);
}

[data-interface="modern"] .stats article {
    min-height: 112px;
    padding: 16px;
}

[data-interface="modern"] .stats strong {
    margin-top: 6px;
    font-size: 27px;
}

[data-interface="modern"] .panel {
    overflow: clip;
}

[data-interface="modern"] .panel + .panel,
[data-interface="modern"] .dashboard-view + .panel {
    margin-top: 16px;
}

[data-interface="modern"] .toolbar,
[data-interface="modern"] .panel > .section-head {
    min-height: 64px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--panel);
}

[data-interface="modern"] .toolbar h2,
[data-interface="modern"] .section-head h2,
[data-interface="modern"] .section-head h3 {
    letter-spacing: 0;
}

[data-interface="modern"] .settings-tabs,
[data-interface="modern"] .product-edit-tabs,
[data-interface="modern"] .workflow-tabs,
[data-interface="modern"] .scraper-tabs {
    gap: 4px;
    padding: 11px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-soft);
}

[data-interface="modern"] .settings-tab,
[data-interface="modern"] .tab-button,
[data-interface="modern"] .workflow-tab,
[data-interface="modern"] .product-edit-tabs button,
[data-interface="modern"] .scraper-tabs button {
    min-height: 36px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: transparent;
    color: var(--muted);
    padding: 7px 12px;
    font-size: 13px;
    font-weight: 700;
    transform: none;
}

[data-interface="modern"] .settings-tab:hover,
[data-interface="modern"] .tab-button:hover,
[data-interface="modern"] .workflow-tab:hover,
[data-interface="modern"] .product-edit-tabs button:hover,
[data-interface="modern"] .scraper-tabs button:hover {
    border-color: var(--line);
    background: var(--surface);
    color: var(--ink);
    transform: none;
}

[data-interface="modern"] .settings-tab.active,
[data-interface="modern"] .tab-button.active,
[data-interface="modern"] .workflow-tab.active,
[data-interface="modern"] .product-edit-tabs button.active,
[data-interface="modern"] .scraper-tabs button.active {
    border-color: var(--line-strong);
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 1px 1px rgba(0, 0, 0, .06);
}

[data-interface="modern"] .table-wrap {
    min-height: 240px;
    overflow: auto;
    scrollbar-width: thin;
}

[data-interface="modern"] table {
    border-collapse: separate;
    border-spacing: 0;
}

[data-interface="modern"] th {
    position: sticky;
    z-index: 2;
    top: 0;
    height: 42px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 11px;
    font-weight: 750;
    letter-spacing: 0;
    text-transform: uppercase;
}

[data-interface="modern"] td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--line);
    background: var(--panel);
    vertical-align: middle;
}

[data-interface="modern"] tbody tr:hover td {
    background: color-mix(in srgb, var(--accent) 4%, var(--panel));
}

[data-interface="modern"] .badge {
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
}

[data-interface="modern"] .pagination {
    min-height: 62px;
    padding: 12px 16px;
    border-top: 0;
    background: var(--panel);
}

[data-interface="modern"] dialog {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    color: var(--ink);
    box-shadow: var(--shadow);
}

[data-interface="modern"] dialog::backdrop {
    background: var(--overlay);
    backdrop-filter: blur(2px);
}

[data-interface="modern"] .editor header,
[data-interface="modern"] .editor footer,
[data-interface="modern"] .review-dialog header,
[data-interface="modern"] .review-dialog footer,
[data-interface="modern"] .preview-dialog header {
    min-height: 60px;
    padding: 13px 17px;
    background: var(--panel);
}

[data-interface="modern"] .product-edit-page {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

[data-interface="modern"] .product-edit-header,
[data-interface="modern"] .product-edit-footer {
    padding: 15px 18px;
}

[data-interface="modern"] .product-edit-summary {
    gap: 8px;
    padding: 12px 18px;
    background: var(--surface-soft);
}

[data-interface="modern"] .product-edit-summary article {
    padding: 10px;
    border-color: var(--line);
    background: var(--surface);
}

[data-interface="modern"] .product-edit-shell {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 370px);
}

[data-interface="modern"] .product-edit-main,
[data-interface="modern"] .product-edit-assets {
    padding: 16px;
}

[data-interface="modern"] .product-edit-tabs {
    margin: -16px -16px 16px;
}

[data-interface="modern"] .product-edit-section,
[data-interface="modern"] .product-edit-section .section-head {
    margin-bottom: 12px;
}

[data-interface="modern"] .image-tile,
[data-interface="modern"] .pdf-item,
[data-interface="modern"] .asset-card,
[data-interface="modern"] .job-card,
[data-interface="modern"] .history-item {
    border-color: var(--line);
    border-radius: 8px;
    background: var(--surface-soft);
    box-shadow: none;
}

[data-interface="modern"] .quality-bar,
[data-interface="modern"] .compact-quality {
    background: color-mix(in srgb, var(--accent) 7%, var(--panel));
}

[data-interface="modern"] .review-workspace-panel {
    min-height: calc(100vh - 105px);
}

[data-interface="modern"] .review-flow {
    min-height: calc(100vh - 106px);
}

[data-interface="modern"] .review-flow-header {
    min-height: 56px;
    padding: 9px 18px;
    background: var(--panel);
}

[data-interface="modern"] .review-flow-grid {
    grid-template-columns: 220px minmax(0, 1fr);
}

[data-interface="modern"] .review-step-nav {
    gap: 4px;
    padding: 10px;
    background: var(--surface-soft);
}

[data-interface="modern"] #flowReviewSteps {
    gap: 4px;
}

[data-interface="modern"] .review-step-button {
    min-height: 38px;
    gap: 7px;
    grid-template-columns: 24px minmax(0, 1fr);
    padding: 6px 8px;
    border-radius: 7px;
    background: var(--surface);
}

[data-interface="modern"] .review-step-button span {
    width: 20px;
    height: 20px;
    font-size: 11px;
}

[data-interface="modern"] .review-step-button.active {
    border-color: var(--accent);
    background: var(--accent-soft);
}

[data-interface="modern"] .review-step-main {
    padding: 12px 18px 16px;
}

[data-interface="modern"] .review-flow-actions {
    min-height: 62px;
    padding: 10px 18px;
    border-top: 1px solid var(--line);
    background: var(--panel);
}

[data-interface="modern"] .auth-screen {
    background: var(--bg);
}

[data-interface="modern"] .auth-card {
    width: min(420px, 100%);
    padding: 28px;
    border-color: var(--line);
    background: var(--panel);
    box-shadow: var(--shadow);
}

[data-interface="modern"] .settings-form {
    padding: 20px;
}

[data-interface="modern"] #settingsPanel > .toolbar {
    padding-inline: 20px;
}

[data-interface="modern"] .appearance-settings {
    gap: 18px;
}

[data-interface="modern"] .appearance-settings > .section-head {
    align-items: flex-start;
    gap: 20px;
    margin: 0 0 4px;
    padding: 0;
    border: 0;
    background: transparent;
}

[data-interface="modern"] .appearance-settings > .section-head > div:first-child {
    display: grid;
    gap: 6px;
    min-width: 0;
}

[data-interface="modern"] .appearance-settings > .section-head .eyebrow,
[data-interface="modern"] .appearance-settings > .section-head h3,
[data-interface="modern"] .appearance-settings > .section-head p {
    margin: 0;
}

[data-interface="modern"] .interface-state {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 9px;
    border-radius: 999px;
    background: var(--badge-success-bg);
    color: var(--success);
    font-size: 12px;
    font-weight: 700;
}

[data-interface="modern"] .interface-choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

[data-interface="modern"] .interface-choice {
    position: relative;
    display: grid;
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: center;
    min-height: 128px;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-soft);
    color: var(--ink);
    text-align: left;
    cursor: pointer;
}

[data-interface="modern"] .interface-choice:hover {
    border-color: var(--line-strong);
    background: var(--surface);
}

[data-interface="modern"] .interface-choice.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: 0 0 0 1px var(--accent);
}

[data-interface="modern"] .interface-choice > span:not(.interface-preview) {
    display: grid;
    gap: 5px;
}

[data-interface="modern"] .interface-choice strong {
    font-size: 16px;
}

[data-interface="modern"] .interface-choice small {
    color: var(--muted);
    font-weight: 500;
}

[data-interface="modern"] .interface-choice > b {
    position: absolute;
    top: 10px;
    right: 10px;
    color: var(--accent);
    font-size: 11px;
}

[data-interface="modern"] .interface-preview {
    position: relative;
    display: grid;
    grid-template-columns: 30px 1fr;
    grid-template-rows: 20px 1fr 1fr;
    width: 118px;
    height: 86px;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    background: var(--surface);
}

[data-interface="modern"] .interface-preview i {
    display: block;
    margin: 4px;
    border-radius: 2px;
    background: var(--surface-alt);
}

[data-interface="modern"] .interface-preview i:first-child {
    grid-row: 1 / -1;
    margin: 0;
    border-radius: 0;
    background: #d8d8d8;
}

[data-interface="modern"] .interface-preview i:nth-child(2) {
    grid-column: 2;
    background: var(--accent);
}

[data-interface="modern"] .interface-preview-classic i:first-child {
    background: #172033;
}

[data-interface="modern"] .appearance-mode-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-soft);
}

[data-interface="modern"] .appearance-mode-row > div:first-child {
    display: grid;
    gap: 3px;
}

[data-interface="modern"] .appearance-mode-row small {
    color: var(--muted);
}

[data-interface="modern"] .appearance-mode-control {
    display: inline-grid;
    grid-template-columns: repeat(2, 1fr);
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-alt);
}

[data-interface="modern"] .appearance-mode-control button {
    min-height: 32px;
    border: 0;
    border-radius: 5px;
    background: transparent;
    color: var(--muted);
    padding: 5px 13px;
}

[data-interface="modern"] .appearance-mode-control button.active {
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .12);
}

[data-interface="modern"] .empty {
    min-height: 220px;
}

[data-interface="modern"] .toast {
    right: 18px;
    bottom: 18px;
    max-width: min(420px, calc(100vw - 36px));
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--ink);
    color: var(--panel);
    box-shadow: var(--shadow);
}

@media (max-width: 1280px) {
    [data-interface="modern"] body {
        grid-template-columns: 228px minmax(0, 1fr);
    }

    [data-interface="modern"] .sidebar {
        width: 228px;
    }

    [data-interface="modern"] .stats {
        grid-template-columns: repeat(3, minmax(140px, 1fr));
    }

    [data-interface="modern"] .product-edit-shell {
        grid-template-columns: 1fr;
    }

    [data-interface="modern"] .product-edit-assets {
        max-height: none;
        border-top: 1px solid var(--line);
        border-left: 0;
    }
}

@media (max-width: 900px) {
    [data-interface="modern"] body {
        display: block;
    }

    [data-interface="modern"] .sidebar {
        position: fixed;
        z-index: 100;
        top: 0;
        bottom: 0;
        left: 0;
        width: min(310px, calc(100vw - 48px));
        height: 100dvh;
        min-height: 0;
        padding-top: 58px;
        transform: translateX(-102%);
        transition: transform .22s ease;
        box-shadow: 14px 0 38px rgba(0, 0, 0, .24);
    }

    [data-interface="modern"] body.modern-nav-open {
        overflow: hidden;
    }

    [data-interface="modern"] body.modern-nav-open .sidebar {
        transform: translateX(0);
    }

    [data-interface="modern"] .modern-nav-toggle,
    [data-interface="modern"] .modern-nav-close,
    [data-interface="modern"] .modern-nav-backdrop {
        display: inline-grid;
        place-items: center;
        width: 38px;
        height: 38px;
        min-height: 38px;
        padding: 0;
        border: 1px solid var(--line);
        border-radius: 7px;
        background: var(--surface);
        color: var(--ink);
    }

    [data-interface="modern"] .modern-nav-close {
        position: absolute;
        z-index: 2;
        top: 12px;
        right: 12px;
    }

    [data-interface="modern"] .modern-nav-backdrop {
        position: fixed;
        z-index: 90;
        inset: 0;
        width: 100%;
        height: 100%;
        border: 0;
        border-radius: 0;
        background: var(--overlay);
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease;
    }

    [data-interface="modern"] body.modern-nav-open .modern-nav-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    [data-interface="modern"] .modern-action-icon {
        width: 19px;
        height: 19px;
    }

    [data-interface="modern"] .shell {
        padding: 16px 14px 34px;
    }

    [data-interface="modern"] .topbar {
        margin: -16px -14px 14px;
        padding: 9px 14px;
        border-bottom-color: var(--line);
        background: color-mix(in srgb, var(--bg) 95%, transparent);
    }

    [data-interface="modern"] .topbar > div:first-of-type {
        min-width: 0;
    }

    [data-interface="modern"] .topbar h1 {
        overflow: hidden;
        font-size: 22px;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    [data-interface="modern"] .topbar .eyebrow {
        display: none;
    }

    [data-interface="modern"] .topbar-actions {
        margin-left: auto;
    }

    [data-interface="modern"] .theme-toggle {
        width: 38px;
        min-width: 38px;
        padding: 0;
        overflow: hidden;
        color: transparent;
        font-size: 0;
    }

    [data-interface="modern"] .theme-toggle .modern-theme-icon {
        margin: auto;
        color: var(--ink);
    }

    [data-interface="modern"] .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    [data-interface="modern"] .stats article {
        min-height: 96px;
        padding: 14px;
    }

    [data-interface="modern"] .settings-tabs,
    [data-interface="modern"] .product-edit-tabs,
    [data-interface="modern"] .workflow-tabs,
    [data-interface="modern"] .scraper-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
    }

    [data-interface="modern"] .settings-tabs::-webkit-scrollbar,
    [data-interface="modern"] .product-edit-tabs::-webkit-scrollbar {
        display: none;
    }

    [data-interface="modern"] .interface-choice-grid {
        grid-template-columns: 1fr;
    }

    [data-interface="modern"] .appearance-mode-row {
        align-items: stretch;
        flex-direction: column;
    }

    [data-interface="modern"] .appearance-mode-control {
        width: 100%;
    }

    [data-interface="modern"] .review-workspace-panel,
    [data-interface="modern"] .review-flow {
        min-height: 0;
    }

    [data-interface="modern"] .review-flow-grid {
        grid-template-columns: 1fr;
    }

    [data-interface="modern"] .review-step-nav {
        position: sticky;
        z-index: 20;
        top: 58px;
        overflow-x: auto;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    [data-interface="modern"] #flowReviewSteps {
        display: flex;
        min-width: max-content;
    }

    [data-interface="modern"] .review-step-button {
        width: auto;
        min-width: 132px;
    }

    [data-interface="modern"] .review-flow-header {
        align-items: flex-start;
        flex-direction: column;
    }

    [data-interface="modern"] .review-progress {
        width: 100%;
        min-width: 0;
    }

    [data-interface="modern"] .review-flow-actions {
        align-items: stretch;
        flex-direction: column;
    }

    [data-interface="modern"] .review-flow-actions > div {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
    }

    [data-interface="modern"] dialog {
        width: calc(100vw - 16px);
        max-height: calc(100dvh - 16px);
        margin-top: 8px;
    }
}

@media (max-width: 600px) {
    [data-interface="modern"] .shell {
        padding-inline: 10px;
    }

    [data-interface="modern"] .topbar {
        margin-inline: -10px;
        padding-inline: 10px;
    }

    [data-interface="modern"] .stats {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    [data-interface="modern"] .stats article {
        min-width: 0;
        min-height: 88px;
        padding: 12px;
    }

    [data-interface="modern"] .stats strong {
        font-size: 23px;
    }

    [data-interface="modern"] .panel {
        border-radius: 7px;
    }

    [data-interface="modern"] .toolbar,
    [data-interface="modern"] .panel > .section-head {
        padding: 12px;
    }

    [data-interface="modern"] .settings-form,
    [data-interface="modern"] .product-edit-main,
    [data-interface="modern"] .product-edit-assets,
    [data-interface="modern"] .review-step-main {
        padding: 12px;
    }

    [data-interface="modern"] .settings-tabs {
        padding: 8px 12px;
    }

    [data-interface="modern"] .product-edit-tabs {
        margin: -12px -12px 12px;
    }

    [data-interface="modern"] .product-edit-summary,
    [data-interface="modern"] .settings-grid,
    [data-interface="modern"] .review-stats-strip {
        grid-template-columns: 1fr;
    }

    [data-interface="modern"] .interface-choice {
        grid-template-columns: 86px minmax(0, 1fr);
    }

    [data-interface="modern"] .interface-preview {
        width: 86px;
        height: 70px;
    }

    [data-interface="modern"] .pagination {
        gap: 8px;
        font-size: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    [data-interface="modern"] *,
    [data-interface="modern"] *::before,
    [data-interface="modern"] *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}