.mobile-only {
  display: none !important;
}

@media (orientation: portrait) {
  :root {
    --mobile-nav-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Microsoft YaHei", sans-serif;
    --mobile-nav-surface: var(--panel);
    --mobile-nav-text: var(--text);
    --mobile-nav-muted: var(--muted);
    --mobile-nav-border: var(--border);
    --mobile-nav-primary: var(--primary);
    --mobile-nav-primary-soft: var(--primary-soft);
    --mobile-nav-danger: var(--danger);
    --mobile-topbar-height: 56px;
    --mobile-tabbar-height: 76px;
  }

  body.app-shell .app-frame {
    display: block;
    width: 100%;
    height: auto;
    min-height: 100dvh;
    padding-top: calc(var(--mobile-topbar-height) + env(safe-area-inset-top));
    padding-bottom: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom) + 8px);
    overflow: visible;
  }

  body.app-shell.more-menu-lock,
  body.app-shell.settings-sheet-lock {
    overflow: hidden;
  }

  body.app-shell.more-menu-lock::before,
  body.app-shell.settings-sheet-lock::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 930;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
  }

  body.app-shell .app-frame > .topbar,
  body.app-shell .topbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 970;
    width: 100%;
    height: calc(var(--mobile-topbar-height) + env(safe-area-inset-top));
    min-height: calc(var(--mobile-topbar-height) + env(safe-area-inset-top));
    display: flex;
    align-items: center;
    padding: env(safe-area-inset-top) 16px 0;
    border: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--mobile-nav-border) 76%, transparent);
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, var(--bg-soft));
    box-shadow: 0 1px 0 color-mix(in srgb, var(--mobile-nav-text) 5%, transparent);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  body.app-shell .app-frame .mobile-sidebar-toggle {
    display: none;
  }

  body.app-shell .topbar-left {
    min-width: 0;
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    gap: 10px;
  }

  body.app-shell .topbar-brand {
    width: auto;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
  }

  body.app-shell .topbar-brand img {
    width: 36px;
    height: 36px;
    padding: 1px;
    border-radius: 8px;
    background: var(--mobile-nav-surface);
    object-fit: contain;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--mobile-nav-text) 8%, transparent);
  }

  body.app-shell .topbar-brand strong {
    display: block;
    max-width: 64vw;
    overflow: hidden;
    color: var(--mobile-nav-text);
    font-family: var(--mobile-nav-font);
    font-size: 17px;
    font-weight: 600;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .mobile-topbar-context {
    display: block !important;
    margin-top: 2px;
    color: var(--mobile-nav-muted);
    font-family: var(--mobile-nav-font);
    font-size: 11px;
    font-weight: 500;
    line-height: 1.15;
  }

  body.app-shell .topbar-left .badge,
  body.app-shell .resource-shortcut-link,
  body.app-shell .app-download-trigger {
    display: none;
  }

  body.app-shell .topbar-right {
    min-width: 0;
    flex: 0 0 auto;
  }

  body.app-shell .sidebar {
    display: none;
  }

  body.app-shell .topbar .more-wrap {
    display: none;
  }

  body.app-shell .global-mobile-tabbar {
    box-sizing: border-box;
    position: fixed;
    inset: auto 0 0 0;
    z-index: 940;
    width: 100%;
    height: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom));
    max-height: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom));
    display: grid !important;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    padding: 4px 0 calc(4px + env(safe-area-inset-bottom));
    border: 0;
    border-top: 1px solid color-mix(in srgb, var(--mobile-nav-border) 82%, transparent);
    border-radius: 0;
    background: color-mix(in srgb, var(--mobile-nav-surface) 94%, transparent);
    box-shadow: 0 -8px 24px color-mix(in srgb, var(--mobile-nav-text) 8%, transparent);
    overflow: visible;
    transform: none;
    backdrop-filter: saturate(170%) blur(22px);
    -webkit-backdrop-filter: saturate(170%) blur(22px);
  }

  body.app-shell .global-mobile-tabbar .more-wrap {
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    z-index: auto;
    width: 100%;
    height: 100%;
    display: block;
  }

  body.app-shell .global-mobile-tabbar .more-btn {
    height: 100%;
    min-height: 68px;
  }

  body.app-shell .global-mobile-more-menu {
    display: grid !important;
  }

  body.app-shell .global-mobile-more-menu[hidden] {
    display: none !important;
  }

  body.app-shell .sidebar-user,
  body.app-shell .sidebar-bottom,
  body.app-shell .app-frame .mobile-sidebar-backdrop {
    display: none;
  }

  body.app-shell .sidebar-nav {
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

  body.app-shell .sidebar-nav .nav-item:nth-child(1) {
    grid-column: 1;
  }

  body.app-shell .sidebar-nav .nav-item:nth-child(2) {
    grid-column: 2;
  }

  body.app-shell .sidebar-nav .nav-item:nth-child(3) {
    grid-column: 4;
  }

  body.app-shell .sidebar-nav .nav-item:nth-child(4) {
    grid-column: 5;
  }

  body.app-shell .sidebar-nav .department-nav-item {
    display: none !important;
  }

  body.app-shell .sidebar-nav .mobile-settings-nav-item {
    display: flex !important;
    grid-column: 5 !important;
  }

  body.app-shell .nav-item {
    box-sizing: border-box;
    min-width: 0;
    min-height: 64px;
    height: 64px;
    max-height: 64px;
    display: flex;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 7px 2px 4px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--mobile-nav-muted);
    box-shadow: none;
    font-family: var(--mobile-nav-font);
    -webkit-tap-highlight-color: transparent;
    appearance: none;
  }

  body.app-shell .nav-item::before {
    display: none;
  }

  body.app-shell .nav-item.active {
    background: transparent;
    color: var(--mobile-nav-primary);
    box-shadow: none;
  }

  body.app-shell .nav-icon {
    box-sizing: border-box;
    width: 30px;
    height: 30px;
    min-width: 30px;
    min-height: 30px;
    flex: 0 0 30px;
    display: grid;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
  }

  body.app-shell .nav-item.active .nav-icon {
    border: 1px solid color-mix(in srgb, var(--mobile-nav-primary) 12%, transparent);
    background: var(--mobile-nav-primary-soft);
  }

  body.app-shell .nav-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
  }

  body.app-shell .nav-label {
    width: 100%;
    min-height: 13px;
    min-width: 0;
    overflow: hidden;
    color: inherit;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.1;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .more-wrap {
    position: fixed;
    left: 40%;
    right: auto;
    bottom: 0;
    z-index: 960;
    width: 20%;
    height: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom));
  }

  body.app-shell .more-btn {
    width: 100%;
    min-width: 0;
    height: 100%;
    min-height: 68px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 4px 2px calc(5px + env(safe-area-inset-bottom));
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--mobile-nav-muted);
    box-shadow: none;
    font-family: var(--mobile-nav-font);
  }

  body.app-shell .more-btn::after {
    display: none;
  }

  body.app-shell .more-btn > span:last-child {
    width: 100%;
    color: inherit;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.1;
    text-align: center;
    white-space: nowrap;
  }

  body.app-shell .more-btn-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    margin-top: -13px;
    border: 4px solid color-mix(in srgb, var(--mobile-nav-surface) 96%, transparent);
    border-radius: 50%;
    background: var(--mobile-nav-primary);
    box-shadow: 0 8px 20px color-mix(in srgb, var(--mobile-nav-primary) 28%, transparent);
    transition: transform 0.24s cubic-bezier(0.25, 0.1, 0.25, 1), box-shadow 0.24s ease;
  }

  body.app-shell .more-btn-icon img {
    width: 23px;
    height: 23px;
    filter: saturate(0) brightness(0) invert(1);
  }

  body.app-shell .more-btn[aria-expanded="true"] {
    background: transparent;
    color: var(--mobile-nav-primary);
  }

  body.app-shell .more-btn[aria-expanded="true"] .more-btn-icon {
    background: color-mix(in srgb, var(--mobile-nav-primary) 82%, #07111f);
    box-shadow: 0 10px 24px color-mix(in srgb, var(--mobile-nav-primary) 36%, transparent);
    transform: translateY(-2px) rotate(8deg);
  }

  body.app-shell .global-mobile-tabbar .more-btn[aria-expanded="true"] .more-btn-icon {
    transform: none;
  }

  body.app-shell .more-menu {
    position: fixed;
    left: 10px;
    right: 10px;
    top: auto;
    bottom: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom) + 8px);
    z-index: 980;
    width: auto;
    min-width: 0;
    max-height: calc(100dvh - var(--mobile-topbar-height) - var(--mobile-tabbar-height) - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 24px);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
    padding: 12px;
    overflow-y: auto;
    overscroll-behavior: contain;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 78%, transparent);
    border-radius: 24px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, transparent);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
    backdrop-filter: saturate(160%) blur(24px);
    -webkit-backdrop-filter: saturate(160%) blur(24px);
    animation: mobileNavSheetUp 0.24s cubic-bezier(0.25, 0.1, 0.25, 1) both;
  }

  body.app-shell .more-menu[hidden] {
    display: none !important;
  }

  body.app-shell .mobile-settings-nav-item[aria-expanded="true"] {
    color: var(--mobile-nav-primary);
  }

  body.app-shell .mobile-settings-nav-item[aria-expanded="true"] .nav-icon {
    border: 1px solid color-mix(in srgb, var(--mobile-nav-primary) 12%, transparent);
    background: var(--mobile-nav-primary-soft);
  }

  body.app-shell .mobile-settings-sheet {
    position: fixed;
    left: 10px;
    right: 10px;
    top: auto;
    bottom: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom) + 8px);
    z-index: 980;
    width: auto;
    min-width: 0;
    max-height: calc(100dvh - var(--mobile-topbar-height) - var(--mobile-tabbar-height) - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 24px);
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
    padding: 12px;
    overflow-y: auto;
    overscroll-behavior: contain;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 78%, transparent);
    border-radius: 24px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, transparent);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
    backdrop-filter: saturate(160%) blur(24px);
    -webkit-backdrop-filter: saturate(160%) blur(24px);
    animation: mobileNavSheetUp 0.24s cubic-bezier(0.25, 0.1, 0.25, 1) both;
  }

  body.app-shell .mobile-settings-sheet[hidden] {
    display: none !important;
  }

  body.app-shell .mobile-settings-sheet::before {
    content: "";
    grid-column: 1 / -1;
    justify-self: center;
    width: 38px;
    height: 4px;
    margin: -3px 0 1px;
    border-radius: 999px;
    background: #cbd5e1;
  }

  body.app-shell .mobile-settings-sheet .more-menu-link {
    display: grid !important;
  }

  body.app-shell .mobile-settings-sheet .mobile-hidden-setting {
    display: none !important;
  }

  body.app-shell .more-menu::before {
    content: "";
    grid-column: 1 / -1;
    justify-self: center;
    width: 38px;
    height: 4px;
    margin: -3px 0 1px;
    border-radius: 999px;
    background: #cbd5e1;
  }

  body.app-shell .mobile-more-profile {
    grid-column: 1 / -1;
    min-width: 0;
    min-height: 74px;
    display: grid !important;
    grid-template-columns: 48px minmax(0, 1fr) auto;
    gap: 11px;
    align-items: center;
    padding: 10px;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-primary) 16%, var(--mobile-nav-border));
    border-radius: 8px;
    background: var(--mobile-nav-primary-soft);
  }

  body.app-shell .mobile-more-avatar {
    width: 48px;
    height: 48px;
    border: 2px solid color-mix(in srgb, var(--mobile-nav-surface) 80%, transparent);
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--mobile-nav-text) 8%, transparent);
  }

  body.app-shell .mobile-more-identity {
    min-width: 0;
    display: grid;
    gap: 3px;
    font-family: var(--mobile-nav-font);
  }

  body.app-shell .mobile-more-identity strong,
  body.app-shell .mobile-more-identity span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .mobile-more-identity strong {
    color: var(--mobile-nav-text);
    font-size: 16px;
    font-weight: 600;
  }

  body.app-shell .mobile-more-identity span {
    color: var(--mobile-nav-muted);
    font-size: 11px;
  }

  body.app-shell .mobile-more-profile-actions {
    display: flex;
    gap: 7px;
  }

  body.app-shell .mobile-more-profile-action {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-primary) 15%, var(--mobile-nav-border));
    border-radius: 50%;
    background: var(--mobile-nav-surface);
    color: var(--mobile-nav-primary);
    box-shadow: 0 4px 14px color-mix(in srgb, var(--mobile-nav-text) 8%, transparent);
  }

  body.app-shell .mobile-more-profile-action.is-danger {
    color: var(--mobile-nav-danger);
  }

  body.app-shell .mobile-more-profile-action svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  body.app-shell .more-menu-link {
    min-width: 0;
    min-height: 92px;
    display: grid;
    grid-template-rows: 38px auto;
    place-items: center;
    gap: 8px;
    padding: 11px 6px;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 8px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 88%, var(--bg-soft));
    color: var(--mobile-nav-text);
    box-shadow: 0 1px 2px color-mix(in srgb, var(--mobile-nav-text) 5%, transparent);
    font-family: var(--mobile-nav-font);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
  }

  body.app-shell .more-menu-link .more-menu-icon {
    width: 38px;
    height: 38px;
    padding: 8px;
    border-radius: 8px;
    background: var(--mobile-nav-primary-soft);
    color: var(--mobile-nav-primary);
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  body.app-shell .more-menu-link.mobile-more-shortcut {
    display: grid !important;
  }

  body.app-shell .more-menu-link.mobile-more-resource {
    display: none !important;
  }

  body.app-shell .more-menu-link.mobile-department-link {
    display: grid !important;
  }

  body.app-shell .more-menu-setting-tile,
  body.app-shell .more-menu-logout-tile {
    display: none;
  }

  body.app-shell .lesson-summary-layer,
  body.app-shell .summary-poster-layer {
    inset: var(--app-visual-viewport-offset-top, 0px) 0 auto;
    z-index: 1100;
    width: 100%;
    height: var(--app-visual-viewport-height, 100dvh);
    padding: 8px;
    align-items: stretch;
    place-items: stretch;
    overflow: hidden;
  }

  body.app-shell .lesson-summary-card,
  body.app-shell .summary-poster-card {
    width: 100%;
    max-width: 100%;
    height: calc(var(--app-visual-viewport-height, 100dvh) - 16px);
    max-height: calc(var(--app-visual-viewport-height, 100dvh) - 16px);
    min-height: 0;
    overflow: hidden;
  }

  body.app-shell .lesson-summary-card {
    grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  }

  body.app-shell .lesson-summary-card .summary-form-grid {
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    scroll-padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
  }

  body.app-shell .lesson-summary-actions {
    position: relative;
    z-index: 2;
    flex: 0 0 auto;
    margin: 0;
    padding: 8px 0 max(0px, env(safe-area-inset-bottom));
    background: var(--mobile-nav-surface);
  }

  body.app-shell .summary-poster-card {
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  body.app-shell .more-btn:focus-visible,
  body.app-shell .more-menu-link:focus-visible,
  body.app-shell .mobile-settings-nav-item:focus-visible,
  body.app-shell .mobile-more-profile-action:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--mobile-nav-primary) 42%, transparent);
    outline-offset: 2px;
  }

  body.app-shell .settings-shell .admin-mobile-sidebar-toggle {
    display: none !important;
  }

  body.app-shell .settings-shell {
    display: block;
    width: 100%;
    height: auto;
    min-height: 100dvh;
    padding-top: calc(var(--mobile-topbar-height) + env(safe-area-inset-top));
    padding-bottom: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom) + 8px);
    overflow: visible;
  }

  body.app-shell .settings-mobile-topbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 970;
    width: 100%;
    height: calc(var(--mobile-topbar-height) + env(safe-area-inset-top));
    min-height: calc(var(--mobile-topbar-height) + env(safe-area-inset-top));
    display: flex !important;
    align-items: center;
    padding: env(safe-area-inset-top) 16px 0;
    border: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--mobile-nav-border) 76%, transparent);
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, var(--bg-soft));
    box-shadow: 0 1px 0 color-mix(in srgb, var(--mobile-nav-text) 5%, transparent);
    font-family: var(--mobile-nav-font);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  body.app-shell .settings-mobile-topbar .topbar-brand {
    width: auto;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
  }

  body.app-shell .settings-mobile-topbar .mobile-topbar-avatar {
    width: 36px;
    height: 36px;
    padding: 1px;
    border-radius: 50%;
    background: var(--mobile-nav-surface);
    object-fit: cover;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--mobile-nav-text) 8%, transparent);
  }

  body.app-shell .settings-mobile-topbar .mobile-topbar-user-name {
    max-width: 64vw;
  }

  body.app-shell .settings-shell .settings-sidebar {
    position: fixed;
    top: auto;
    right: 10px;
    bottom: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom) + 8px);
    left: 10px;
    z-index: 980;
    width: auto;
    height: auto;
    max-height: calc(100dvh - var(--mobile-topbar-height) - var(--mobile-tabbar-height) - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 24px);
    padding: 12px;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 78%, transparent);
    border-radius: 24px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, transparent);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateY(calc(100% + var(--mobile-tabbar-height) + 24px));
    transition: transform 0.24s cubic-bezier(0.25, 0.1, 0.25, 1);
    backdrop-filter: saturate(160%) blur(24px);
    -webkit-backdrop-filter: saturate(160%) blur(24px);
  }

  body.app-shell .settings-shell.mobile-sidebar-open .settings-sidebar {
    transform: translateY(0);
  }

  body.app-shell .settings-shell .settings-sidebar::before {
    content: "";
    justify-self: center;
    width: 38px;
    height: 4px;
    margin: -3px 0 1px;
    border-radius: 999px;
    background: #cbd5e1;
  }

  body.app-shell .settings-shell .settings-sidebar .admin-brand,
  body.app-shell .settings-shell .settings-sidebar .admin-back-link {
    display: none !important;
  }

  body.app-shell .settings-shell .settings-sidebar .settings-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
  }

  body.app-shell .settings-shell .settings-sidebar .admin-nav-item {
    min-width: 0;
    min-height: 92px;
    display: grid;
    grid-template-rows: auto auto;
    place-items: center;
    gap: 8px;
    padding: 11px 6px;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 8px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 88%, var(--bg-soft));
    color: var(--mobile-nav-text);
    box-shadow: 0 1px 2px color-mix(in srgb, var(--mobile-nav-text) 5%, transparent);
    font-family: var(--mobile-nav-font);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
  }

  body.app-shell .settings-shell .settings-sidebar .admin-nav-item.mobile-hidden-setting {
    display: none !important;
  }

  body.app-shell .settings-shell .settings-sidebar .settings-nav-icon {
    width: 38px;
    height: 38px;
    display: block;
    padding: 8px;
    border-radius: 8px;
    background: var(--mobile-nav-primary-soft);
    color: var(--mobile-nav-primary);
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  body.app-shell .settings-shell .settings-sidebar .admin-nav-item span {
    display: none;
  }

  body.app-shell .settings-shell .settings-content {
    padding-top: 8px;
    padding-bottom: calc(var(--mobile-tabbar-height) + env(safe-area-inset-bottom) + 18px);
  }

  @keyframes mobileNavSheetUp {
    from {
      opacity: 0;
      transform: translateY(18px) scale(0.98);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }
}

@media (max-width: 380px) {
  body.app-shell .topbar-brand strong {
    max-width: 58vw;
    font-size: 15px;
  }

  body.app-shell .nav-label,
  body.app-shell .more-btn > span:last-child {
    font-size: 10px;
  }
}

@media (orientation: portrait) and (prefers-reduced-motion: reduce) {
  body.app-shell .more-btn-icon,
  body.app-shell .more-menu {
    transition: none;
    animation: none;
  }
}

@media (orientation: portrait) {
  body.app-shell .desktop-topbar-logo,
  body.app-shell .desktop-topbar-name {
    display: none !important;
  }

  body.app-shell .app-frame > .topbar,
  body.app-shell .topbar {
    flex-direction: row;
    justify-content: space-between;
  }

  body.app-shell .mobile-topbar-avatar {
    display: block !important;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 2px solid color-mix(in srgb, var(--mobile-nav-primary) 20%, var(--mobile-nav-surface));
    border-radius: 50%;
    background: var(--mobile-nav-surface);
    object-fit: cover;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--mobile-nav-text) 10%, transparent);
  }

  body.app-shell .mobile-topbar-user-name {
    display: block !important;
    max-width: 42vw;
    overflow: hidden;
    color: var(--mobile-nav-text);
    font-family: var(--mobile-nav-font);
    font-size: 16px;
    font-weight: 650;
    line-height: 1.15;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .topbar-right {
    width: auto;
    min-width: 0;
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: flex-end;
    gap: 7px;
  }

  body.app-shell .topbar-left {
    width: auto;
    min-width: 0;
    flex: 1 1 auto;
  }

  body.app-shell .mobile-topbar-action {
    position: relative;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    display: grid !important;
    flex: 0 0 44px;
    place-items: center;
    padding: 0;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-primary) 18%, var(--mobile-nav-border));
    border-radius: 50%;
    background: color-mix(in srgb, var(--mobile-nav-surface) 90%, var(--mobile-nav-primary-soft));
    color: var(--mobile-nav-primary);
    box-shadow:
      inset 0 2px 6px color-mix(in srgb, var(--mobile-nav-text) 12%, transparent),
      0 4px 12px color-mix(in srgb, var(--mobile-nav-text) 8%, transparent);
  }

  body.app-shell .mobile-topbar-action:active {
    transform: scale(0.96);
    box-shadow: inset 0 3px 8px color-mix(in srgb, var(--mobile-nav-text) 18%, transparent);
  }

  body.app-shell .mobile-topbar-action svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  body.app-shell .mobile-action-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  body.app-shell .mobile-result-count-bubble {
    position: absolute;
    right: -5px;
    top: -5px;
    z-index: 2;
    min-width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    border: 2px solid var(--mobile-nav-surface);
    border-radius: 999px;
    background: var(--mobile-nav-danger);
    color: #fff;
    box-shadow: 0 4px 10px color-mix(in srgb, var(--mobile-nav-danger) 28%, transparent);
    font-family: var(--mobile-nav-font);
    font-size: 10px;
    font-weight: 750;
    line-height: 1;
  }

  body.app-shell .mobile-result-count-bubble[hidden] {
    display: none !important;
  }

  body.app-shell .mobile-result-count-bubble b {
    color: inherit;
    font: inherit;
  }

  body.app-shell .mobile-processing-topbar-metrics {
    min-width: 0;
    max-width: 116px;
    display: grid !important;
    gap: 2px;
    padding: 5px 8px;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-primary) 14%, var(--mobile-nav-border));
    border-radius: 10px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 92%, var(--mobile-nav-primary-soft));
    box-shadow: inset 0 1px 4px color-mix(in srgb, var(--mobile-nav-text) 7%, transparent);
    color: var(--mobile-nav-muted);
    font-family: var(--mobile-nav-font);
    line-height: 1.05;
  }

  body.app-shell .mobile-processing-topbar-metrics span {
    min-width: 0;
    overflow: hidden;
    font-size: 9px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .mobile-processing-topbar-metrics b {
    color: var(--mobile-nav-text);
    font-size: 10px;
    font-weight: 700;
  }

  body.app-shell .app-frame[data-page="processing"] .topbar-brand {
    gap: 8px;
  }

  body.app-shell .app-frame[data-page="processing"] .mobile-topbar-user-name {
    max-width: 72px;
  }

  body.app-shell .app-frame > .bottom-bar {
    display: none !important;
  }

  body.app-shell.mobile-entry-drawer-open,
  body.app-shell.mobile-context-sheet-open {
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="entry"] .workspace {
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 8px;
    gap: 0;
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="entry"] {
    height: 100dvh;
    min-height: 100dvh;
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="entry"] .content {
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-layout {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-panel {
    width: 100%;
    height: 100%;
    min-height: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 8px;
    padding: 8px;
    align-content: stretch;
    border-radius: 14px;
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields {
    gap: 6px;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-card {
    min-height: 40px;
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 0;
    padding: 0;
    align-items: stretch;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-label {
    min-height: 40px;
    padding: 4px 7px;
    align-items: center;
    justify-content: flex-start;
    border-radius: 9px 0 0 9px;
    border-color: var(--mobile-nav-border);
    background: color-mix(in srgb, var(--mobile-nav-surface) 90%, var(--mobile-nav-primary-soft));
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-label strong {
    font-size: 12px;
    line-height: 1.1;
    color: var(--mobile-nav-text);
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-icon-wrap {
    width: 24px;
    height: 24px;
    flex-basis: 24px;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-icon-wrap img {
    width: 15px;
    height: 15px;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-control {
    min-height: 40px;
    margin-left: -1px;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 0 9px 9px 0;
    background: var(--input-bg);
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-control input,
  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-control select {
    min-height: 38px;
    padding: 5px 8px;
    font-size: 12px;
    line-height: 1.2;
  }

  body.app-shell .app-frame[data-page="entry"] .two-textareas {
    min-height: 0;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    align-self: stretch;
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="entry"] .roster-card {
    min-height: 0;
    height: 100%;
    grid-template-rows: minmax(0, 1fr);
    padding-top: 18px;
    --roster-mask-top: 19px;
    --roster-mask-height: 25px;
    --roster-mask-left: 1px;
    --roster-mask-right: 1px;
  }

  body.app-shell .app-frame[data-page="entry"] .roster-title {
    left: 0;
    right: 0;
    top: 0;
    justify-content: center;
    gap: 0;
    max-width: none;
    text-align: center;
  }

  body.app-shell .app-frame[data-page="entry"] .roster-icon-wrap {
    display: none;
  }

  body.app-shell .app-frame[data-page="entry"] .roster-title strong {
    padding: 4px 9px;
    background: var(--mobile-nav-surface);
    color: var(--mobile-nav-text);
    font-size: 0;
    line-height: 1.2;
  }

  body.app-shell .app-frame[data-page="entry"] .roster-card:first-child .roster-title strong::after {
    content: "实到学员";
  }

  body.app-shell .app-frame[data-page="entry"] .roster-card:last-child .roster-title strong::after {
    content: "试听学员";
  }

  body.app-shell .app-frame[data-page="entry"] .roster-title strong::after {
    font-size: 13px;
    font-weight: 700;
  }

  body.app-shell .app-frame[data-page="entry"] .roster-card textarea {
    min-height: 0;
    height: 100%;
    padding: 28px 9px 9px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
    text-align-last: center;
    overflow-y: auto;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-panel .primary-btn.full {
    min-height: 44px;
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 14px;
  }

  body.app-shell .mobile-entry-drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 990;
    display: block !important;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
  }

  body.app-shell .mobile-entry-drawer-backdrop[hidden] {
    display: none !important;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    width: 100%;
    max-height: min(72dvh, 650px);
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    padding: 8px 10px calc(10px + env(safe-area-inset-bottom));
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 80%, transparent);
    border-bottom: 0;
    border-radius: 24px 24px 0 0;
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, var(--bg-soft));
    box-shadow: 0 -18px 54px rgba(15, 23, 42, 0.22);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(104%);
    transition:
      transform 0.28s cubic-bezier(0.25, 0.1, 0.25, 1),
      opacity 0.22s ease,
      visibility 0.22s ease;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  body.app-shell .mobile-sheet-heading {
    min-height: 54px;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 5px 3px 9px;
    color: var(--mobile-nav-text);
    font-family: var(--mobile-nav-font);
  }

  body.app-shell .mobile-sheet-heading::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 7px;
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mobile-nav-muted) 45%, transparent);
    transform: translateX(-50%);
  }

  body.app-shell .mobile-sheet-heading > div {
    display: grid;
    gap: 2px;
    padding-top: 8px;
  }

  body.app-shell .mobile-sheet-heading strong {
    font-size: 16px;
    font-weight: 700;
  }

  body.app-shell .mobile-sheet-heading span {
    color: var(--mobile-nav-muted);
    font-size: 11px;
  }

  body.app-shell .mobile-sheet-close {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 50%;
    background: var(--mobile-nav-surface);
    color: var(--mobile-nav-muted);
    font-size: 25px;
    line-height: 1;
    box-shadow: inset 0 1px 4px color-mix(in srgb, var(--mobile-nav-text) 8%, transparent);
  }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel .table-wrap {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    max-height: none;
    overflow-x: hidden;
    overflow-y: auto;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 14px;
    -webkit-overflow-scrolling: touch;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel .data-table {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th,
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td {
    display: none;
    min-width: 0;
    padding: 9px 3px;
    overflow: hidden;
    font-size: 10px;
    line-height: 1.25;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(2),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(2),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(3),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(3),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(4),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(4),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(6),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(6),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(7),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(7) {
    display: table-cell;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(2),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(2) { width: 18%; }
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(3),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(3) { width: 20%; }
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(4),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(4) { width: 16%; }
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(6),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(6) { width: 21%; }
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel th:nth-child(7),
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel td:nth-child(7) { width: 25%; }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel tbody tr:nth-child(n + 13) {
    display: none;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-records-panel .empty-row td {
    display: table-cell;
    width: 100%;
    padding: 24px 8px;
  }

  body.app-shell .app-frame[data-page="processing"] .workspace {
    padding: 8px;
    gap: 8px;
  }

  body.app-shell .app-frame[data-page="processing"] .processing-head {
    min-height: 0;
    display: block;
    position: relative;
    top: auto;
    z-index: 30;
    margin: -8px -8px 0;
    padding: 8px;
    border-bottom: 1px solid color-mix(in srgb, var(--mobile-nav-border) 76%, transparent);
    background: color-mix(in srgb, var(--mobile-nav-surface) 96%, var(--bg-soft));
  }

  body.app-shell .app-frame[data-page="processing"] .processing-head > .processing-metrics,
  body.app-shell .app-frame[data-page="processing"] .processing-head > .view-toggle-wrap {
    display: none !important;
  }

  body.app-shell .app-frame[data-page="processing"] .scope-pills {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 5px;
    margin: 0;
  }

  body.app-shell .app-frame[data-page="processing"] .scope-pills .pill,
  body.app-shell .app-frame[data-page="processing"] .query-menu,
  body.app-shell .app-frame[data-page="processing"] .query-menu > .pill {
    width: 100%;
    min-width: 0;
  }

  body.app-shell .app-frame[data-page="processing"] .processing-head .pill {
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3px 2px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    line-height: 1.1;
    text-align: center;
    white-space: nowrap;
  }

  body.app-shell .app-frame[data-page="processing"] .query-menu {
    position: static;
  }

  body.app-shell .app-frame[data-page="processing"] .query-options {
    position: fixed;
    left: 8px;
    right: 8px;
    top: calc(var(--mobile-topbar-height) + env(safe-area-inset-top));
    z-index: 992;
    width: auto !important;
    max-width: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 16px 10px 12px;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 78%, transparent);
    border-top: 0;
    border-radius: 0 0 20px 20px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, var(--bg-soft));
    box-shadow: 0 20px 44px rgba(15, 23, 42, 0.22);
    animation: mobileQuerySheetDown 0.24s cubic-bezier(0.25, 0.1, 0.25, 1) both;
  }

  body.app-shell .app-frame[data-page="processing"] .query-options[hidden] {
    display: none !important;
  }

  body.app-shell .app-frame[data-page="processing"] .query-options::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 6px;
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mobile-nav-muted) 42%, transparent);
    transform: translateX(-50%);
  }

  body.app-shell .app-frame[data-page="processing"] .query-options a,
  body.app-shell .app-frame[data-page="processing"] .query-options button {
    min-height: 44px;
    justify-content: center;
    padding: 8px;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 11px;
    background: var(--input-bg);
    color: var(--mobile-nav-text);
    font-size: 12px;
    font-weight: 650;
    text-align: center;
  }

  body.app-shell.mobile-query-sheet-open::before {
    content: "";
    position: fixed;
    inset: calc(var(--mobile-topbar-height) + env(safe-area-inset-top)) 0 0;
    z-index: 980;
    background: rgba(15, 23, 42, 0.28);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
  }

  body.app-shell.mobile-query-sheet-open .app-frame[data-page="processing"] .processing-head {
    z-index: 991;
  }

  body.app-shell .app-frame[data-page="department"] .workspace {
    padding: 8px;
    gap: 8px;
  }

  body.app-shell .app-frame[data-page="department"] .department-processing-head {
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 7px;
    position: relative;
    top: auto;
    z-index: 30;
    margin: -8px -8px 0;
    padding: 8px;
    border-bottom: 1px solid color-mix(in srgb, var(--mobile-nav-border) 76%, transparent);
    background: color-mix(in srgb, var(--mobile-nav-surface) 96%, var(--bg-soft));
  }

  body.app-shell .app-frame[data-page="department"] .department-processing-head > .view-toggle-wrap,
  body.app-shell .app-frame[data-page="department"] .department-processing-head .excel-export-trigger {
    display: none !important;
  }

  body.app-shell .app-frame[data-page="department"] .department-filter {
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    margin: 0;
    flex: none;
  }

  body.app-shell .app-frame[data-page="department"] .department-filter .department-entry-field {
    width: 100%;
    max-width: none;
    min-width: 0;
    min-height: 36px;
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    align-items: stretch;
    gap: 0;
    padding: 0;
    overflow: hidden;
    border-radius: 10px;
  }

  body.app-shell .app-frame[data-page="department"] .department-filter .entry-field-label {
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 3px;
    padding: 3px 5px;
    border-radius: 10px 0 0 10px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 88%, var(--mobile-nav-primary-soft));
  }

  body.app-shell .app-frame[data-page="department"] .department-filter .entry-icon-wrap {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
  }

  body.app-shell .app-frame[data-page="department"] .department-filter .entry-icon-wrap img {
    width: 12px;
    height: 12px;
  }

  body.app-shell .app-frame[data-page="department"] .department-filter .entry-field-label strong {
    min-width: 0;
    font-size: 11px;
    line-height: 1;
    white-space: nowrap;
  }

  body.app-shell .app-frame[data-page="department"] .department-filter .entry-field-control {
    min-height: 36px;
    display: flex;
    align-items: center;
    margin-left: 0;
    border-left: 0;
    border-radius: 0 10px 10px 0;
  }

  body.app-shell .app-frame[data-page="department"] .department-filter .entry-field-control select {
    height: 36px;
    min-height: 36px;
    padding: 4px 7px;
    border: 0;
    border-radius: 0;
    background: var(--input-bg);
    font-size: 12px;
    line-height: 1.2;
  }

  body.app-shell .app-frame[data-page="department"] .scope-pills {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 5px;
    margin: 0;
  }

  body.app-shell .app-frame[data-page="department"] .scope-pills .pill,
  body.app-shell .app-frame[data-page="department"] .query-menu,
  body.app-shell .app-frame[data-page="department"] .query-menu > .pill {
    width: 100%;
    min-width: 0;
  }

  body.app-shell .app-frame[data-page="department"] .department-processing-head .pill {
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3px 2px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    line-height: 1.1;
    text-align: center;
    white-space: nowrap;
  }

  body.app-shell .app-frame[data-page="department"] .query-menu {
    position: static;
  }

  body.app-shell .app-frame[data-page="department"] .query-options {
    position: fixed;
    left: 8px;
    right: 8px;
    top: calc(var(--mobile-topbar-height) + env(safe-area-inset-top));
    z-index: 992;
    width: auto !important;
    max-width: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 16px 10px 12px;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 78%, transparent);
    border-top: 0;
    border-radius: 0 0 20px 20px;
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, var(--bg-soft));
    box-shadow: 0 20px 44px rgba(15, 23, 42, 0.22);
    animation: mobileQuerySheetDown 0.24s cubic-bezier(0.25, 0.1, 0.25, 1) both;
  }

  body.app-shell .app-frame[data-page="department"] .query-options[hidden] {
    display: none !important;
  }

  body.app-shell .app-frame[data-page="department"] .query-options::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 6px;
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mobile-nav-muted) 42%, transparent);
    transform: translateX(-50%);
  }

  body.app-shell .app-frame[data-page="department"] .query-options a,
  body.app-shell .app-frame[data-page="department"] .query-options button {
    min-height: 44px;
    justify-content: center;
    padding: 8px;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 11px;
    background: var(--input-bg);
    color: var(--mobile-nav-text);
    font-size: 12px;
    font-weight: 650;
    text-align: center;
  }

  body.app-shell.mobile-query-sheet-open .app-frame[data-page="department"] .department-processing-head {
    z-index: 991;
  }

  body.app-shell .app-frame[data-page="processing"] .records-panel.full-height {
    min-height: 0;
    overflow: hidden;
    border-radius: 14px;
  }

  body.app-shell .app-frame[data-page="processing"] .records-panel .table-wrap {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="processing"] [data-processing-table],
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
  }

  body.app-shell .app-frame[data-page="processing"] [data-processing-table] colgroup,
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] colgroup {
    display: none;
  }

  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th,
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td,
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th,
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td {
    display: none;
    min-width: 0;
    height: 42px;
    padding: 5px 3px;
    overflow: hidden;
    font-size: 10px;
    line-height: 1.25;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(3),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(3),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(4),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(4),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(6),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(6),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(7),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(7),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(9),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(9) {
    display: table-cell;
  }

  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(3),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(3) { width: 20%; }
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(4),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(4) { width: 17%; }
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(6),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(6) { width: 21%; }
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(7),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(7) { width: 27%; }
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] th:nth-child(9),
  body.app-shell .app-frame[data-page="processing"] [data-processing-table] td:nth-child(9) { width: 15%; }

  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th:nth-child(4),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td:nth-child(4),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th:nth-child(6),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td:nth-child(6),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th:nth-child(7),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td:nth-child(7),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th:nth-child(9),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td:nth-child(9) {
    display: table-cell;
  }

  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th:nth-child(4),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td:nth-child(4) { width: 20%; }
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th:nth-child(6),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td:nth-child(6) { width: 20%; }
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th:nth-child(7),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td:nth-child(7) { width: 25%; }
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] th:nth-child(9),
  body.app-shell .app-frame[data-page="processing"] [data-summary-table] td:nth-child(9) { width: 35%; }

  body.app-shell .app-frame[data-page="processing"] [data-processing-row] {
    cursor: pointer;
    touch-action: manipulation;
  }

  body.app-shell .app-frame[data-page="processing"] [data-processing-row]:active {
    background: var(--mobile-nav-primary-soft);
  }

  body.app-shell .app-frame[data-page="processing"] [data-summary-table] .summary-topic-cell {
    overflow: hidden;
    text-align: left !important;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .app-frame[data-page="processing"] .empty-row td {
    display: table-cell;
    width: 100%;
    padding: 28px 8px;
  }

  body.app-shell .app-frame[data-page="department"] .records-panel.full-height {
    min-height: 0;
    overflow: hidden;
    border-radius: 14px;
  }

  body.app-shell .app-frame[data-page="department"] .records-panel .table-wrap {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    overflow: hidden;
  }

  body.app-shell .app-frame[data-page="department"] [data-processing-table],
  body.app-shell .app-frame[data-page="department"] [data-summary-table] {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
  }

  body.app-shell .app-frame[data-page="department"] [data-processing-table] colgroup,
  body.app-shell .app-frame[data-page="department"] [data-summary-table] colgroup {
    display: none;
  }

  body.app-shell .app-frame[data-page="department"] [data-processing-table] th,
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td,
  body.app-shell .app-frame[data-page="department"] [data-summary-table] th,
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td {
    display: none;
    min-width: 0;
    height: 42px;
    padding: 5px 3px;
    overflow: hidden;
    font-size: 10px;
    line-height: 1.25;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(3),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(3),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(4),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(4),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(6),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(6),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(7),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(7),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(9),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(9) {
    display: table-cell;
  }

  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(3),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(3) { width: 20%; }
  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(4),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(4) { width: 17%; }
  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(6),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(6) { width: 21%; }
  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(7),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(7) { width: 27%; }
  body.app-shell .app-frame[data-page="department"] [data-processing-table] th:nth-child(9),
  body.app-shell .app-frame[data-page="department"] [data-processing-table] td:nth-child(9) { width: 15%; }

  body.app-shell .app-frame[data-page="department"] [data-summary-table] th:nth-child(4),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td:nth-child(4),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] th:nth-child(6),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td:nth-child(6),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] th:nth-child(7),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td:nth-child(7),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] th:nth-child(9),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td:nth-child(9) {
    display: table-cell;
  }

  body.app-shell .app-frame[data-page="department"] [data-summary-table] th:nth-child(4),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td:nth-child(4) { width: 20%; }
  body.app-shell .app-frame[data-page="department"] [data-summary-table] th:nth-child(6),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td:nth-child(6) { width: 20%; }
  body.app-shell .app-frame[data-page="department"] [data-summary-table] th:nth-child(7),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td:nth-child(7) { width: 25%; }
  body.app-shell .app-frame[data-page="department"] [data-summary-table] th:nth-child(9),
  body.app-shell .app-frame[data-page="department"] [data-summary-table] td:nth-child(9) { width: 35%; }

  body.app-shell .app-frame[data-page="department"] [data-processing-row] {
    cursor: pointer;
    touch-action: manipulation;
  }

  body.app-shell .app-frame[data-page="department"] [data-processing-row]:active {
    background: var(--mobile-nav-primary-soft);
  }

  body.app-shell .app-frame[data-page="department"] [data-summary-table] .summary-topic-cell {
    overflow: hidden;
    text-align: left !important;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .app-frame[data-page="department"] .empty-row td {
    display: table-cell;
    width: 100%;
    padding: 28px 8px;
  }

  body.app-shell .mobile-short-date {
    font-size: 0 !important;
  }

  body.app-shell .mobile-short-date::before {
    content: attr(data-mobile-date);
    font-size: 10px;
    line-height: 1.25;
  }

  body.app-shell.mobile-context-sheet-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
  }

  body.app-shell [data-record-context-menu] {
    position: fixed;
    box-sizing: border-box;
    left: 0 !important;
    right: 0;
    top: auto !important;
    bottom: 0;
    z-index: 1010;
    width: 100%;
    max-width: none;
    min-width: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 8px 12px calc(12px + env(safe-area-inset-bottom));
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 80%, transparent);
    border-bottom: 0;
    border-radius: 24px 24px 0 0;
    background: color-mix(in srgb, var(--mobile-nav-surface) 97%, var(--bg-soft));
    box-shadow: 0 -18px 54px rgba(15, 23, 42, 0.25);
    animation: mobileActionSheetUp 0.25s cubic-bezier(0.25, 0.1, 0.25, 1) both;
  }

  body.app-shell [data-record-context-menu][hidden] {
    display: none !important;
  }

  body.app-shell .mobile-context-sheet-head {
    grid-column: 1 / -1;
    min-height: 52px;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 1px 0 5px;
    color: var(--mobile-nav-text);
  }

  body.app-shell .mobile-context-sheet-head::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 7px;
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mobile-nav-muted) 42%, transparent);
    transform: translateX(-50%);
  }

  body.app-shell .mobile-context-sheet-head strong {
    padding-top: 8px;
    font-size: 16px;
    font-weight: 700;
  }

  body.app-shell .mobile-context-sheet-head button {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 50%;
    background: var(--mobile-nav-surface);
    color: var(--mobile-nav-muted);
    font-size: 24px;
    line-height: 1;
  }

  body.app-shell [data-record-context-menu] > [data-context-action] {
    min-width: 0;
    min-height: 48px;
    justify-content: flex-start;
    padding: 8px 10px;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 86%, transparent);
    border-radius: 12px;
    background: var(--input-bg);
    font-size: 12px;
    white-space: nowrap;
  }

  body.app-shell [data-range-modal] {
    z-index: 1100;
    padding: 0;
    align-items: end;
    place-items: end stretch;
  }

  body.app-shell [data-range-modal] .range-modal-card {
    position: relative;
    width: 100%;
    max-width: 100%;
    max-height: min(72dvh, 620px);
    align-self: end;
    justify-self: stretch;
    gap: 14px;
    margin: 0;
    padding: 20px 14px calc(14px + env(safe-area-inset-bottom));
    border-radius: 24px 24px 0 0;
    overflow-y: auto;
    box-shadow: 0 -18px 54px rgba(15, 23, 42, 0.25);
    animation: mobileActionSheetUp 0.25s cubic-bezier(0.25, 0.1, 0.25, 1) both;
  }

  body.app-shell [data-range-modal] .range-modal-card::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 8px;
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mobile-nav-muted) 42%, transparent);
    transform: translateX(-50%);
  }

  body.app-shell [data-range-modal] .modal-head {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  body.app-shell [data-range-modal] .grid-two.compact {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  body.app-shell [data-range-modal] .modal-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }

  body.app-shell [data-range-modal] .modal-actions button {
    width: auto;
    min-height: 44px;
    flex: 1 1 0;
  }

  @keyframes mobileQuerySheetDown {
    from {
      opacity: 0;
      transform: translateY(-18px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes mobileActionSheetUp {
    from {
      opacity: 0;
      transform: translateY(24px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (max-width: 380px) {
  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-card {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-label {
    padding-right: 4px;
    padding-left: 5px;
  }

  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-label strong,
  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-control input,
  body.app-shell .app-frame[data-page="entry"] .entry-fields .entry-field-control select {
    font-size: 11px;
  }

  body.app-shell .mobile-processing-topbar-metrics {
    max-width: 100px;
    padding-right: 6px;
    padding-left: 6px;
  }

  body.app-shell .app-frame[data-page="processing"] .mobile-topbar-user-name {
    max-width: 54px;
  }
}

@media (orientation: portrait) and (prefers-reduced-motion: reduce) {
  body.app-shell .app-frame[data-page="entry"] .entry-records-panel,
  body.app-shell .app-frame[data-page="processing"] .query-options,
  body.app-shell [data-record-context-menu],
  body.app-shell [data-range-modal] .range-modal-card {
    transition: none;
    animation: none;
  }
}

@media (orientation: portrait) {
  body.app-shell .app-frame[data-page="processing"] [data-processing-row] {
    touch-action: pan-y;
  }

  body.app-shell .app-frame[data-page="processing"] [data-processing-row].is-mobile-selected {
    background: color-mix(in srgb, var(--mobile-nav-primary-soft) 88%, var(--mobile-nav-surface)) !important;
    box-shadow: inset 3px 0 0 var(--mobile-nav-primary);
  }

  body.app-shell .app-frame[data-page="processing"] [data-processing-row].is-mobile-selected td {
    color: var(--mobile-nav-text);
  }

  body.app-shell [data-record-context-menu] .mobile-context-sheet-head {
    min-height: 44px;
    justify-content: center;
    padding-bottom: 3px;
  }

  body.app-shell [data-record-context-menu] .mobile-context-sheet-head strong {
    padding-top: 10px;
  }

  body.app-shell [data-record-context-menu] .mobile-context-sheet-head button,
  body.app-shell [data-record-context-menu] [data-context-action="interaction"],
  body.app-shell [data-record-context-menu] [data-context-action="temporary-remove"],
  body.app-shell [data-record-context-menu] [data-context-action="chart"] {
    display: none !important;
  }

  body.app-shell [data-record-edit-modal],
  body.app-shell [data-student-filter-modal],
  body.app-shell .lesson-summary-layer {
    inset: var(--app-visual-viewport-offset-top, 0px) 0 auto;
    z-index: 1100;
    width: 100%;
    height: var(--app-visual-viewport-height, 100dvh);
    padding: 0;
    align-items: end;
    place-items: end stretch;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }

  body.app-shell [data-record-edit-modal] .record-edit-card,
  body.app-shell [data-student-filter-modal] .student-filter-card,
  body.app-shell .lesson-summary-layer .lesson-summary-card {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    align-self: end;
    justify-self: stretch;
    margin: 0;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 86%, transparent);
    border-bottom: 0;
    border-radius: 24px 24px 0 0;
    background: color-mix(in srgb, var(--mobile-nav-surface) 98%, var(--bg-soft));
    box-shadow: 0 -20px 58px rgba(15, 23, 42, 0.26);
    animation: mobileActionSheetUp 0.25s cubic-bezier(0.25, 0.1, 0.25, 1) both;
  }

  body.app-shell [data-record-edit-modal] .record-edit-card::before,
  body.app-shell [data-student-filter-modal] .student-filter-card::before,
  body.app-shell .lesson-summary-layer .lesson-summary-card::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 8px;
    z-index: 3;
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--mobile-nav-muted) 42%, transparent);
    transform: translateX(-50%);
  }

  body.app-shell [data-record-edit-modal] .modal-head .icon-btn,
  body.app-shell [data-student-filter-modal] .modal-head .icon-btn,
  body.app-shell [data-range-modal] .modal-head .icon-btn,
  body.app-shell .lesson-summary-layer .modal-head .icon-btn {
    display: none !important;
  }

  body.app-shell [data-record-edit-modal] .record-edit-card {
    height: min(90dvh, 780px);
    max-height: calc(var(--app-visual-viewport-height, 100dvh) - 42px);
    min-height: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 10px;
    padding: 22px 12px calc(12px + env(safe-area-inset-bottom));
    overflow: hidden;
  }

  body.app-shell [data-record-edit-modal] .modal-head {
    align-items: center;
    padding: 0 2px 8px;
    border-bottom: 1px solid var(--mobile-nav-border);
  }

  body.app-shell [data-record-edit-modal] .record-edit-scroll {
    min-height: 0;
    display: grid;
    gap: 10px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 2px;
    scroll-padding-bottom: 12px;
    -webkit-overflow-scrolling: touch;
  }

  body.app-shell [data-record-edit-modal] .record-edit-fields {
    display: grid;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 6px;
  }

  body.app-shell [data-record-edit-modal] .record-edit-fields .entry-field-card {
    min-height: 44px;
    grid-template-columns: 106px minmax(0, 1fr) !important;
    gap: 0;
    padding: 0;
  }

  body.app-shell [data-record-edit-modal] .record-edit-fields .entry-field-label {
    min-height: 44px;
    justify-content: flex-start;
    padding: 5px 7px;
    border-radius: 10px 0 0 10px;
    border-color: var(--mobile-nav-border);
    background: color-mix(in srgb, var(--mobile-nav-surface) 90%, var(--mobile-nav-primary-soft));
    box-shadow: none;
  }

  body.app-shell [data-record-edit-modal] .record-edit-fields .entry-field-label strong {
    color: var(--mobile-nav-text);
    font-size: 12px;
  }

  body.app-shell [data-record-edit-modal] .record-edit-fields .entry-icon-wrap {
    width: 24px;
    height: 24px;
    flex-basis: 24px;
  }

  body.app-shell [data-record-edit-modal] .record-edit-fields .entry-icon-wrap img {
    width: 15px;
    height: 15px;
  }

  body.app-shell [data-record-edit-modal] .record-edit-fields .entry-field-control {
    min-height: 44px;
    margin-left: -1px;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 0 10px 10px 0;
    background: var(--input-bg);
  }

  body.app-shell [data-record-edit-modal] .record-edit-fields .entry-field-control input,
  body.app-shell [data-record-edit-modal] .record-edit-fields .entry-field-control select {
    min-height: 42px;
    padding: 6px 9px;
    font-size: 12px;
  }

  body.app-shell [data-record-edit-modal] .record-edit-rosters {
    height: auto;
    min-height: 168px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px;
  }

  body.app-shell [data-record-edit-modal] .record-edit-rosters .roster-card {
    min-height: 168px;
    height: auto;
    grid-template-rows: auto minmax(128px, 1fr);
    padding: 0;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 12px;
    background: var(--input-bg);
    overflow: hidden;
  }

  body.app-shell [data-record-edit-modal] .record-edit-rosters .roster-card::before,
  body.app-shell .lesson-summary-layer .summary-roster-card::before {
    display: none;
  }

  body.app-shell [data-record-edit-modal] .record-edit-rosters .roster-title {
    position: static;
    max-width: none;
    justify-content: center;
    padding: 9px 7px;
    border-bottom: 1px solid var(--mobile-nav-border);
    background: color-mix(in srgb, var(--mobile-nav-surface) 90%, var(--mobile-nav-primary-soft));
  }

  body.app-shell [data-record-edit-modal] .record-edit-rosters .roster-icon-wrap {
    display: none;
  }

  body.app-shell [data-record-edit-modal] .record-edit-rosters .roster-title strong {
    padding: 0;
    background: transparent;
    color: var(--mobile-nav-text);
    font-size: 12px;
  }

  body.app-shell [data-record-edit-modal] .record-edit-rosters textarea {
    min-height: 128px;
    height: 100%;
    padding: 10px;
    border: 0;
    border-radius: 0;
    background: transparent;
    font-size: 12px;
    line-height: 1.55;
    text-align: left;
    text-align-last: auto;
    resize: none;
  }

  body.app-shell [data-record-edit-modal] .modal-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding-top: 2px;
  }

  body.app-shell [data-record-edit-modal] .modal-actions button {
    width: auto;
    min-height: 46px;
  }

  body.app-shell [data-student-filter-modal] .student-filter-card {
    max-height: min(62dvh, 520px);
    display: grid;
    gap: 16px;
    padding: 22px 14px calc(14px + env(safe-area-inset-bottom));
    overflow-y: auto;
  }

  body.app-shell [data-student-filter-modal] .modal-head {
    align-items: center;
    padding: 0 2px 8px;
    border-bottom: 1px solid var(--mobile-nav-border);
  }

  body.app-shell [data-student-filter-modal] .student-filter-card > label {
    display: grid;
    gap: 8px;
    color: var(--mobile-nav-text);
    font-size: 13px;
    font-weight: 700;
  }

  body.app-shell [data-student-filter-modal] input {
    min-height: 48px;
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 15px;
  }

  body.app-shell [data-student-filter-modal] .modal-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  body.app-shell [data-student-filter-modal] .modal-actions button {
    width: auto;
    min-width: 0;
    min-height: 46px;
    padding: 8px 6px;
  }

  body.app-shell .lesson-summary-layer .lesson-summary-card {
    height: min(90dvh, 780px);
    max-height: calc(var(--app-visual-viewport-height, 100dvh) - 38px);
    min-height: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 10px;
    padding: 22px 12px calc(10px + env(safe-area-inset-bottom));
    overflow: hidden;
  }

  body.app-shell .lesson-summary-layer .modal-head {
    align-items: center;
    padding: 0 2px 8px;
    border-bottom: 1px solid var(--mobile-nav-border);
  }

  body.app-shell .lesson-summary-layer .modal-head h2 {
    font-size: 18px;
  }

  body.app-shell .lesson-summary-layer .modal-head p {
    margin-top: 3px;
    font-size: 11px;
  }

  body.app-shell .lesson-summary-layer .lesson-summary-scroll {
    min-height: 0;
    display: grid;
    align-content: start;
    gap: 8px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0 2px 4px;
    scroll-padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
  }

  body.app-shell .lesson-summary-layer .summary-record-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  body.app-shell .lesson-summary-layer .summary-record-strip span {
    min-width: 0;
    padding: 7px 8px;
    border-radius: 9px;
    overflow: hidden;
    background: color-mix(in srgb, var(--mobile-nav-primary-soft) 72%, var(--mobile-nav-surface));
    color: var(--mobile-nav-text);
    font-size: 11px;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.app-shell .lesson-summary-layer .summary-students {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  body.app-shell .lesson-summary-layer .summary-students span {
    min-width: 0;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 4px;
    padding: 7px 8px;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 9px;
    background: var(--input-bg);
    font-size: 11px;
  }

  body.app-shell .lesson-summary-layer .summary-form-grid {
    min-height: max-content;
    height: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: visible;
  }

  body.app-shell .lesson-summary-layer .summary-top-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 8px;
  }

  body.app-shell .lesson-summary-layer .summary-form-grid .entry-field-card {
    min-height: 0;
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 6px;
  }

  body.app-shell .lesson-summary-layer .summary-form-grid .entry-field-label {
    min-height: 0;
    justify-content: flex-start;
    padding: 0 2px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  body.app-shell .lesson-summary-layer .summary-form-grid .entry-icon-wrap,
  body.app-shell .lesson-summary-layer .summary-roster-card .roster-icon-wrap {
    display: none;
  }

  body.app-shell .lesson-summary-layer .summary-form-grid .entry-field-label strong {
    color: var(--mobile-nav-text);
    font-size: 12px;
    line-height: 1.3;
  }

  body.app-shell .lesson-summary-layer .summary-form-grid .entry-field-control {
    min-height: 46px;
    min-width: 0;
    margin-left: 0;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 12px;
    background: var(--input-bg);
  }

  body.app-shell .lesson-summary-layer .summary-form-grid .entry-field-control input {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 8px 10px;
    font-size: 13px;
  }

  body.app-shell .lesson-summary-layer .summary-roster-card {
    min-height: 156px;
    height: 156px;
    flex: 0 0 auto;
    display: grid;
    grid-template-rows: 42px 112px;
    padding: 0;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 12px;
    background: var(--input-bg);
    overflow: hidden;
  }

  body.app-shell .lesson-summary-layer .summary-roster-card .roster-title {
    position: static;
    max-width: none;
    min-height: 42px;
    display: flex;
    justify-content: flex-start;
    padding: 8px 10px;
    border-bottom: 1px solid var(--mobile-nav-border);
    background: color-mix(in srgb, var(--mobile-nav-surface) 90%, var(--mobile-nav-primary-soft));
  }

  body.app-shell .lesson-summary-layer .summary-roster-card .roster-title strong {
    padding: 0;
    background: transparent;
    color: var(--mobile-nav-text);
    font-size: 12px;
  }

  body.app-shell .lesson-summary-layer .summary-roster-card textarea {
    min-height: 112px;
    height: 112px;
    padding: 10px;
    border: 0;
    border-radius: 0;
    background: transparent;
    font-size: 13px;
    line-height: 1.65;
    text-align: left;
    text-align-last: auto;
    resize: none;
  }

  body.app-shell .lesson-summary-layer .summary-detail-field {
    min-height: 254px;
    flex: 0 0 auto;
  }

  body.app-shell .lesson-summary-layer .summary-detail-roster {
    min-height: 254px;
    height: 254px;
    grid-template-rows: 42px 210px;
  }

  body.app-shell .lesson-summary-layer .summary-detail-roster textarea {
    min-height: 210px;
    height: 210px;
  }

  body.app-shell .lesson-summary-layer .summary-detail-roster .summary-math-view {
    top: 42px;
    bottom: 0;
    padding: 12px;
    border: 0;
    border-radius: 0;
  }

  body.app-shell .lesson-summary-layer .summary-math-toggle {
    min-height: 34px;
    margin-left: auto;
    padding: 0 9px;
    border-radius: 9px;
  }

  body.app-shell .lesson-summary-layer .lesson-summary-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    margin: 0;
    padding: 8px 0 0;
    border-top: 1px solid var(--mobile-nav-border);
    background: transparent;
  }

  body.app-shell .lesson-summary-layer .lesson-summary-action-right {
    display: contents;
  }

  body.app-shell .lesson-summary-layer .lesson-summary-actions button,
  body.app-shell .lesson-summary-layer .lesson-summary-action-right button {
    width: auto;
    min-width: 0;
    min-height: 44px;
    padding: 7px 4px;
    border-radius: 11px;
    font-size: 12px;
    line-height: 1.2;
    white-space: nowrap;
  }

  body.app-shell .summary-poster-layer {
    inset: var(--app-visual-viewport-offset-top, 0px) 0 auto;
    z-index: 1200;
    width: 100%;
    height: var(--app-visual-viewport-height, 100dvh);
    padding: 12px;
    align-items: center;
    place-items: center;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
  }

  body.app-shell .summary-poster-layer .summary-poster-card {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    max-width: 520px;
    height: calc(var(--app-visual-viewport-height, 100dvh) - 24px);
    max-height: calc(var(--app-visual-viewport-height, 100dvh) - 24px);
    min-height: 0;
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr);
    gap: 10px;
    padding: 14px;
    border-radius: 20px;
    overflow: hidden;
  }

  body.app-shell .summary-poster-layer .modal-head {
    min-height: 48px;
    padding: 0 48px 8px 0;
    border-bottom: 1px solid var(--mobile-nav-border);
  }

  body.app-shell .summary-poster-layer [data-close-summary-poster] {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 4;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 50%;
    background: var(--mobile-nav-surface);
    color: var(--mobile-nav-muted);
    font-size: 24px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  }

  body.app-shell .summary-poster-layer .poster-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    padding: 9px;
  }

  body.app-shell .summary-poster-layer .poster-option-title {
    grid-column: 1 / -1;
    margin: 0;
    font-size: 12px;
  }

  body.app-shell .summary-poster-layer .poster-options .checkbox-item {
    min-width: 0;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 4px;
    border: 1px solid var(--mobile-nav-border);
    border-radius: 10px;
    background: var(--input-bg);
    font-size: 10px;
    line-height: 1.25;
    text-align: center;
  }

  body.app-shell .summary-poster-layer .poster-options .checkbox-item input {
    flex: 0 0 auto;
    margin: 0;
  }

  body.app-shell .summary-poster-layer .poster-font-field,
  body.app-shell .summary-poster-layer [data-download-summary-poster] {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 44px;
  }

  body.app-shell .summary-poster-layer .poster-font-field {
    grid-template-columns: auto minmax(0, 1fr);
  }

  body.app-shell .summary-poster-layer .summary-poster-preview-wrap {
    min-height: 0;
    max-height: none;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 10px;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  body.app-shell .summary-poster-layer .summary-poster-preview-wrap canvas {
    width: 100%;
    max-width: 100%;
    height: auto;
  }

  body.app-confirm-open {
    overflow: hidden;
  }

  .app-confirm-layer {
    position: fixed;
    inset: 0;
    z-index: 1600;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(15, 23, 42, 0.42);
    opacity: 0;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: opacity 0.2s ease;
  }

  .app-confirm-layer.is-open {
    opacity: 1;
  }

  .app-confirm-card {
    box-sizing: border-box;
    width: min(100%, 340px);
    max-height: calc(var(--app-visual-viewport-height, 100dvh) - 48px);
    display: grid;
    gap: 0;
    border: 1px solid color-mix(in srgb, var(--mobile-nav-border) 84%, transparent);
    border-radius: 20px;
    overflow: hidden;
    background: color-mix(in srgb, var(--mobile-nav-surface) 96%, transparent);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.3);
    transform: scale(0.96) translateY(8px);
    transition: transform 0.22s cubic-bezier(0.25, 0.1, 0.25, 1);
  }

  .app-confirm-layer.is-open .app-confirm-card {
    transform: scale(1) translateY(0);
  }

  .app-confirm-title {
    margin: 0;
    padding: 20px 18px 8px;
    color: var(--mobile-nav-text);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
  }

  .app-confirm-message {
    max-height: min(44dvh, 340px);
    overflow-y: auto;
    padding: 0 18px 18px;
    color: var(--mobile-nav-muted);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.65;
    text-align: center;
    white-space: pre-line;
    word-break: break-word;
    -webkit-overflow-scrolling: touch;
  }

  .app-confirm-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--mobile-nav-border);
  }

  .app-confirm-actions button {
    min-width: 0;
    min-height: 50px;
    padding: 8px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--mobile-nav-primary);
    font: 600 15px/1.2 var(--mobile-nav-font);
  }

  .app-confirm-actions button + button {
    border-left: 1px solid var(--mobile-nav-border);
  }

  .app-confirm-submit.is-danger {
    color: #ef4444;
  }

  .app-confirm-actions button:active {
    background: color-mix(in srgb, var(--mobile-nav-primary-soft) 78%, transparent);
  }
}

@media (orientation: portrait) and (prefers-reduced-motion: reduce) {
  body.app-shell [data-record-edit-modal] .record-edit-card,
  body.app-shell [data-student-filter-modal] .student-filter-card,
  body.app-shell .lesson-summary-layer .lesson-summary-card,
  .app-confirm-layer,
  .app-confirm-card {
    transition: none;
    animation: none;
  }
}