/* VLingo 后台 · 外壳与共享基础
   来源：course_production_local.css（2026-09-15 按功能拆解），行 1-9 + 284-1117
   内容：:root 设计变量、body.admin-body 后台外壳、通用工具类（如 .is-hidden）。
   本文件被后台主页面与登录页共同加载。 */

:root {
    --vlingo-ink: #16191f;
    --vlingo-muted: #667085;
    --vlingo-line: #e8edf3;
    --vlingo-panel: #f7f9fc;
    --vlingo-card: #ffffff;
    --vlingo-orange: #cf6f31;
    --vlingo-gold: #f5b32f;
    --vlingo-blue: #2364aa;
}

body.admin-body {
    --ds-background: #f3f1ec;
    --ui-content-surface: #ffffff;
    --surface-color: #ffffff;
    --theme-sidebar-bg: #111827;
    --theme-sidebar-hover: rgba(255, 255, 255, 0.08);
    --theme-sidebar-active: #fff7ed;
    --ds-sidebar-text: #e5e7eb;
    --ds-sidebar-border: rgba(255, 255, 255, 0.10);
    --theme-button-accent: #d8732f;
    --primary-color: #d8732f;
    --primary-hover: #bc5e22;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.30), rgba(255, 255, 255, 0.08)),
        var(--ds-background, #f3f1ec);
}

body.admin-body .admin-workspace {
    width: auto;
    max-width: none;
    min-height: calc(100vh - 56px);
    margin-left: 0;
    padding-top: 34px;
    padding-right: clamp(28px, 3vw, 54px);
    padding-left: clamp(28px, 3vw, 54px);
}

body.admin-body .admin-workspace > .page-header,
body.admin-body .admin-workspace > header {
    border-color: rgba(17, 24, 39, 0.08);
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 18px 50px rgba(17, 24, 39, 0.06);
}

body.course-production-local-body .admin-topbar.vlingo-page-header,
body.course-production-local-body .page-top-header.vlingo-page-header,
body.course-production-local-body .vlingo-page-header {
    display: flex;
    justify-content: flex-end;
    width: 100%;
    min-height: 0 !important;
    height: auto !important;
    margin: -12px 0 2px !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

body.course-production-local-body .vlingo-page-header-main {
    width: auto;
    min-width: 0;
    margin-left: auto;
    display: flex;
    justify-content: flex-end;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

body.course-production-local-body .vlingo-page-header-title,
body.course-production-local-body .current-company-switcher {
    display: none !important;
}

body.course-production-local-body .vlingo-page-header-utility {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    width: auto;
    min-width: 0;
    margin-left: auto;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

body.course-production-local-body .page-top-language,
body.course-production-local-body .admin-topbar-language,
body.course-production-local-body .vlingo-page-header-language {
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

body.admin-body .section-heading {
    margin-bottom: 26px;
    max-width: 760px;
}

body.admin-body .section-heading h2 {
    margin-top: 6px;
    font-size: clamp(30px, 2.4vw, 42px);
    letter-spacing: -0.035em;
}

body.admin-body .section-heading p {
    max-width: 560px;
    color: var(--vlingo-muted);
    line-height: 1.7;
}

body.admin-body .dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    max-width: none;
}

body.admin-body .stat-card {
    min-height: 118px;
    border: 1px solid rgba(18, 24, 38, 0.06);
    border-radius: 20px;
    background: linear-gradient(180deg, #ffffff, #fbfaf7);
    box-shadow: 0 16px 38px rgba(18, 24, 38, 0.06);
}

body.admin-body .stat-card strong {
    font-size: clamp(32px, 3vw, 44px);
    letter-spacing: -0.045em;
}

body.admin-body .dashboard-columns {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr) minmax(280px, 0.8fr);
    gap: 18px;
    max-width: none;
    align-items: start;
}

body.admin-body .dashboard-columns .section {
    border: 1px solid rgba(17, 24, 39, 0.07);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 18px 46px rgba(18, 24, 38, 0.06);
}

body.admin-body .compact-list > div {
    border: 1px solid rgba(18, 24, 38, 0.04);
    border-radius: 14px;
    background: #f8f6f1;
}

body.admin-body [data-language-switch] {
    position: fixed;
    top: 20px;
    right: 28px;
    z-index: 20;
}

body.admin-body .admin-brand {
    padding-top: 24px;
    padding-bottom: 28px;
}

body.admin-body .admin-brand .logo {
    width: 180px;
    max-width: 180px;
    height: auto;
}

body.admin-body .admin-brand .sidebar-logo-collapsed {
    display: none;
}

body.admin-body .admin-shell.sidebar-collapsed .admin-brand {
    padding-top: 22px;
    padding-bottom: 24px;
}

body.admin-body .admin-shell.sidebar-collapsed .admin-brand .sidebar-logo-expanded {
    display: none;
}

body.admin-body .admin-shell.sidebar-collapsed .admin-brand .sidebar-logo-collapsed {
    display: block;
    width: 42px;
    max-width: 42px;
    height: 32px;
    max-height: 32px;
    object-fit: contain;
    object-position: center center;
}

body.admin-body .admin-sidebar {
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    background:
        radial-gradient(circle at 38% 0%, rgba(216, 115, 47, 0.22), transparent 30%),
        linear-gradient(180deg, #111827 0%, #0d1423 100%);
}

body.admin-body .admin-nav {
    gap: 8px;
}

body.admin-body .admin-nav-route-group {
    display: grid;
    gap: 8px;
}

body.admin-body .admin-nav-route-group[hidden] {
    display: none;
}

body.admin-body .admin-nav-item {
    border-radius: 14px;
    color: rgba(229, 231, 235, 0.86);
}

body.admin-body .admin-nav-home-link {
    margin-bottom: 6px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    text-decoration: none;
}

body.admin-body .admin-nav-item.active {
    color: #111827;
    background: #fff7ed;
    box-shadow: inset 3px 0 0 var(--vlingo-orange);
}

body.admin-body .admin-nav-item:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

body.admin-body .admin-nav-item.active:hover {
    color: #111827;
    background: #fff7ed;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-root,
body.admin-body [data-section-panel="permissions"] .permission-admin-workbench,
body.admin-body [data-section-panel="permissions"] .permission-admin-detail-panel,
body.admin-body [data-section-panel="permissions"] .permission-admin-detail-card,
body.admin-body [data-section-panel="permissions"] .permission-admin-transfer,
body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-panel {
    min-width: 0;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-root {
    --permission-ink: #172033;
    --permission-muted: #64748b;
    --permission-line: #dfe5ec;
    --permission-soft: #f6f8fb;
    --permission-active: #fff3e8;
    --permission-accent: #c96f28;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 18px 0 14px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-mode-tabs {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    border: 1px solid var(--permission-line);
    border-radius: 12px;
    background: #eef2f6;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-mode-tabs button {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    gap: 8px;
    border: 0;
    border-radius: 8px;
    padding: 0 14px;
    background: transparent;
    color: #566274;
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-mode-tabs button.active {
    background: #ffffff;
    color: var(--permission-ink);
    box-shadow: 0 1px 4px rgba(34, 47, 62, 0.12);
}

body.admin-body [data-section-panel="permissions"] .permission-admin-mode-tabs button:focus-visible,
body.admin-body [data-section-panel="permissions"] .permission-admin-entity:focus-visible,
body.admin-body [data-section-panel="permissions"] .permission-admin-search input:focus-visible,
body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head input:focus-visible {
    outline: 3px solid rgba(201, 111, 40, 0.24);
    outline-offset: 2px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-workbench {
    display: grid;
    grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
    min-height: 650px;
    overflow: hidden;
    border: 1px solid var(--permission-line);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 14px 35px rgba(31, 42, 55, 0.08);
}

body.admin-body [data-section-panel="permissions"] .permission-admin-rail {
    display: flex;
    min-width: 0;
    flex-direction: column;
    border-right: 1px solid var(--permission-line);
    background: #f7f9fb;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-rail-head {
    display: flex;
    min-height: 70px;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px 10px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-rail-head h3,
body.admin-body [data-section-panel="permissions"] .permission-admin-rail-head span {
    margin: 0;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-rail-head h3 {
    color: var(--permission-ink);
    font-size: 16px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-rail-head span {
    display: block;
    margin-top: 4px;
    color: var(--permission-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-search {
    position: relative;
    display: block;
    margin: 0 14px 12px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-search i {
    position: absolute;
    top: 50%;
    left: 12px;
    color: #8792a2;
    font-size: 12px;
    transform: translateY(-50%);
}

body.admin-body [data-section-panel="permissions"] .permission-admin-search input,
body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head input {
    width: 100%;
    min-height: 38px;
    border: 1px solid #d8e0e8;
    border-radius: 9px;
    background: #ffffff;
    color: var(--permission-ink);
    font: inherit;
    font-size: 13px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-search input {
    padding: 0 12px 0 34px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity-list {
    min-height: 0;
    flex: 1;
    overflow-y: auto;
    padding: 0 10px 14px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity {
    display: grid;
    width: 100%;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    margin: 2px 0;
    border: 1px solid transparent;
    border-radius: 11px;
    padding: 11px 10px;
    background: transparent;
    color: var(--permission-ink);
    text-align: left;
    cursor: pointer;
    transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity:hover {
    border-color: #e2d3c5;
    background: #fffaf6;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity:active {
    transform: translateY(1px);
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity.active {
    border-color: #e9c7aa;
    background: var(--permission-active);
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity-icon {
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border-radius: 9px;
    background: #e9eef4;
    color: #58667a;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity.active .permission-admin-entity-icon {
    background: #ffffff;
    color: var(--permission-accent);
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity-copy {
    min-width: 0;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity-copy strong,
body.admin-body [data-section-panel="permissions"] .permission-admin-entity-copy small,
body.admin-body [data-section-panel="permissions"] .permission-admin-entity-copy em {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity-copy strong {
    font-size: 13px;
    line-height: 1.4;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-entity-copy small,
body.admin-body [data-section-panel="permissions"] .permission-admin-entity-copy em {
    margin-top: 2px;
    color: var(--permission-muted);
    font-size: 11px;
    font-style: normal;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-detail-panel {
    min-width: 0;
    background: #ffffff;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-detail-card {
    min-height: 100%;
    padding: 24px;
}

body.admin-body [data-section-panel="permissions"] [hidden] {
    display: none !important;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-empty {
    display: grid;
    min-height: 380px;
    place-items: center;
    color: var(--permission-muted);
    font-size: 14px;
    text-align: center;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-empty.compact {
    min-height: 90px;
    padding: 20px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-detail-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid #e8edf2;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-kicker {
    display: block;
    margin-bottom: 6px;
    color: var(--permission-accent);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.08em;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-detail-head h3,
body.admin-body [data-section-panel="permissions"] .permission-admin-detail-head p {
    margin: 0;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-detail-head h3 {
    color: var(--permission-ink);
    font-size: 23px;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-detail-head p {
    max-width: 62ch;
    margin-top: 6px;
    color: var(--permission-muted);
    font-size: 13px;
    line-height: 1.55;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 16px 0;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-metric-grid > div {
    border-radius: 11px;
    padding: 13px 15px;
    background: var(--permission-soft);
}

body.admin-body [data-section-panel="permissions"] .permission-admin-metric-grid span,
body.admin-body [data-section-panel="permissions"] .permission-admin-metric-grid strong {
    display: block;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-metric-grid span {
    color: var(--permission-muted);
    font-size: 11px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-metric-grid strong {
    margin-top: 5px;
    color: var(--permission-ink);
    font-size: 22px;
    font-variant-numeric: tabular-nums;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-summary {
    grid-template-columns: repeat(2, minmax(0, 190px));
}

body.admin-body [data-section-panel="permissions"] .permission-admin-editor-section {
    margin-top: 18px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-editor-title h4,
body.admin-body [data-section-panel="permissions"] .permission-admin-editor-title p {
    margin: 0;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-editor-title h4 {
    color: var(--permission-ink);
    font-size: 15px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-editor-title p {
    margin-top: 4px;
    color: var(--permission-muted);
    font-size: 12px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 13px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-option {
    display: grid;
    grid-template-columns: 18px minmax(0, 1fr);
    gap: 10px;
    border: 1px solid var(--permission-line);
    border-radius: 11px;
    padding: 13px;
    background: #ffffff;
    cursor: pointer;
    transition: border-color 160ms ease, background 160ms ease;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-option:hover {
    border-color: #d5ad8c;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-option.selected {
    border-color: #e5b78f;
    background: #fff8f1;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-option.locked {
    cursor: not-allowed;
    opacity: 0.72;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-option strong,
body.admin-body [data-section-panel="permissions"] .permission-admin-role-option small,
body.admin-body [data-section-panel="permissions"] .permission-admin-role-option em {
    display: block;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-option strong {
    color: var(--permission-ink);
    font-size: 13px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-role-option small,
body.admin-body [data-section-panel="permissions"] .permission-admin-role-option em {
    margin-top: 4px;
    color: var(--permission-muted);
    font-size: 11px;
    font-style: normal;
    line-height: 1.4;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-detail-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 22px;
    border-top: 1px solid #e8edf2;
    padding-top: 16px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-detail-actions > div {
    display: flex;
    gap: 8px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 82px minmax(0, 1fr);
    gap: 12px;
    margin-top: 14px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-panel {
    overflow: hidden;
    border: 1px solid var(--permission-line);
    border-radius: 12px;
    background: var(--permission-soft);
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head {
    padding: 13px;
    border-bottom: 1px solid var(--permission-line);
    background: #ffffff;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head h4,
body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head span {
    margin: 0;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head h4 {
    color: var(--permission-ink);
    font-size: 14px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head span {
    color: var(--permission-muted);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-head input {
    padding: 0 10px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-list {
    height: 410px;
    overflow-y: auto;
    padding: 10px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 8px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-permission-group {
    margin-bottom: 10px;
    overflow: hidden;
    border: 1px solid #e0e6ed;
    border-radius: 9px;
    background: #ffffff;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-permission-group h5 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 0;
    padding: 9px 10px;
    border-bottom: 1px solid #edf1f5;
    color: #465468;
    font-size: 11px;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-permission-group h5 span {
    color: #8792a2;
    font-size: 10px;
    font-weight: 600;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-permission-item {
    display: grid;
    grid-template-columns: 16px minmax(0, 1fr);
    gap: 8px;
    padding: 9px 10px;
    border-bottom: 1px solid #f0f3f6;
    cursor: pointer;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-permission-item:last-child {
    border-bottom: 0;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-permission-item:hover {
    background: #fff8f1;
}

body.admin-body [data-section-panel="permissions"] .permission-admin-permission-item strong {
    display: block;
    color: var(--permission-ink);
    font-size: 12px;
    line-height: 1.35;
}

@media (max-width: 1080px) {
    body.admin-body [data-section-panel="permissions"] .permission-admin-workbench {
            grid-template-columns: 240px minmax(0, 1fr);
    }

    body.admin-body [data-section-panel="permissions"] .permission-admin-transfer {
            grid-template-columns: 1fr;
    }

    body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-actions {
            flex-direction: row;
    }

    body.admin-body [data-section-panel="permissions"] .permission-admin-transfer-actions i {
            transform: rotate(90deg);
    }
}

@media (max-width: 760px) {
    body.admin-body [data-section-panel="permissions"] .permission-admin-toolbar,
    body.admin-body [data-section-panel="permissions"] .permission-admin-detail-head,
    body.admin-body [data-section-panel="permissions"] .permission-admin-detail-actions {
            align-items: stretch;
            flex-direction: column;
    }

    body.admin-body [data-section-panel="permissions"] .permission-admin-workbench {
            grid-template-columns: 1fr;
    }

    body.admin-body [data-section-panel="permissions"] .permission-admin-rail {
            max-height: 330px;
            border-right: 0;
            border-bottom: 1px solid var(--permission-line);
    }

    body.admin-body [data-section-panel="permissions"] .permission-admin-role-options,
    body.admin-body [data-section-panel="permissions"] .permission-admin-metric-grid {
            grid-template-columns: 1fr;
    }
}

body.admin-body .page-version-footer {
    right: 28px;
    bottom: 22px;
    color: rgba(22, 25, 31, 0.62);
}

body.admin-body .audio-tts-panel .log-container {
    min-height: 46px;
    max-height: 220px;
    margin: 16px 0 0;
    padding: 12px 16px;
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: 12px;
    background: #f8fafc;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

body.admin-body .audio-tts-panel .log-content {
    color: #475569;
}

body.admin-body .audio-tts-panel .log-content:empty::before {
    content: "音频生成日志将在这里显示";
    color: #94a3b8;
}

body.admin-body .audio-tts-panel .btn:disabled {
    border-color: #e2e8f0;
    background: #f8fafc;
    color: #94a3b8;
}

@media (min-width: 1900px) {
    body.admin-body .admin-workspace {
            margin-left: 0;
    }
}

@media (max-width: 900px) {
    body.admin-body .admin-workspace {
                width: auto;
                padding: 22px 16px;
    }

    body.admin-body .dashboard-grid,
    body.admin-body .dashboard-columns {
                grid-template-columns: 1fr;
                max-width: none;
    }

    body.admin-body [data-language-switch] {
                position: static;
                margin-bottom: 16px;
    }
}

/* Inline sentence structure workspace inside Course Production. */
.is-hidden {
    display: none !important;
}