/* Loaded last, only at <= 900px. Keep all rules inside a width query so that
   desktop layouts stay unchanged even if stylesheets are later bundled.
   !important is limited to components with !important in the legacy CSS. */
@media (max-width: 900px) {
  :root { --header-height: 64px; --shell: calc(100% - 32px); scroll-padding-top: 80px; }
  .user-v36, .staff-portal { min-width: 0; }
  :is(.user-v36, .staff-portal) :is(input, select, textarea) { max-width: 100%; min-width: 0; font-size: 16px; }
  :is(.user-v36, .staff-portal) :is(.button, .cd-button, .button-small) { max-width: 100%; }
  :is(.user-v36, .staff-portal) :is(.table-wrap, .data-table-wrap, .conduit-table-wrap) { min-width: 0; max-width: 100%; overscroll-behavior-x: contain; }

  /* One header height and one navigation breakpoint for every public page. */
  .user-v36 .v28-header { min-height: var(--header-height); }
  .user-v36 .v28-header .header-inner { min-height: var(--header-height); grid-template-columns: minmax(0, 1fr) auto; gap: 12px; }
  .user-v36 .v28-header .brand { min-width: 0; gap: 8px; }
  .user-v36 .v28-header .brand-mark { display: grid; width: 32px; height: 32px; flex: 0 0 32px; }
  .user-v36 .v28-header .brand-copy strong { font-size: 14px; white-space: nowrap; }
  .user-v36 .v28-header .desktop-nav { display: none; }
  .user-v36 .v28-header-actions { gap: 8px; }
  .user-v36 .v28-header .account-link { min-height: 44px; padding: 4px; gap: 5px; }
  .user-v36 .v28-header #auth-trigger-label { max-width: none; white-space: nowrap; }
  .user-v36 .v28-header .menu-button { display: grid; place-content: center; flex: 0 0 44px; width: 44px; height: 44px; gap: 6px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; }
  .user-v36 .v28-header .menu-button i { width: 16px; height: 1px; background: var(--ink); }
  .user-v36 .menu-button[aria-expanded="true"] i:first-child { transform: translateY(3.5px) rotate(45deg); }
  .user-v36 .menu-button[aria-expanded="true"] i:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .user-v36 .v28-header .mobile-menu { display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 2; padding: 8px; max-height: calc(100dvh - 88px); overflow-y: auto; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: 0 12px 30px rgb(23 34 30 / 12%); }
  .user-v36 .v28-header .mobile-menu.open { display: grid; }
  .user-v36 .v28-header .mobile-menu a { min-height: 46px; padding: 12px; font-size: 14px; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--line); }
  .user-v36 .v28-header .mobile-menu a:last-child { border-bottom: 0; }
  .user-v36 .v28-account { position: static; }
  .user-v36 .v28-account-dropdown { top: calc(100% + 4px); right: 0; width: min(340px, 100%); max-width: 100%; max-height: calc(100dvh - 88px); overflow-y: auto; overscroll-behavior: contain; }
  .user-v36 .v28-account-dropdown nav :is(a, button) { min-height: 44px; }
  .user-v36 :is(.cd-section, #teachers, #courses, #learning-map, #contacts) { scroll-margin-top: 80px; }

  /* A compact first screen, with the original typographic banner intact. */
  .user-v36 .welcome, .user-v36 .welcome .statement-card { min-height: clamp(400px, 70svh, 620px); }
  .user-v36 .welcome .statement-card { padding: 64px 28px; }
  .user-v36 .welcome .statement-text { font-size: clamp(32px, 6.1vw, 52px); line-height: 1.12; }
  .user-v36 .welcome .statement-text span { white-space: nowrap; overflow-wrap: normal; }
  .user-v36 .learning-map { padding: 36px 24px; }
  .user-v36 .benefits-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
  .user-v36 .benefit-item:nth-child(n) { min-width: 0; min-height: 0; padding: 24px 20px; border: 0; }
  .user-v36 .benefit-item:nth-child(odd) { border-right: 1px solid rgb(33 74 65 / 16%); }
  .user-v36 .benefit-item:nth-child(n+3) { border-top: 1px solid rgb(33 74 65 / 16%); }

  .user-v36 .course-card { grid-template-columns: 240px minmax(0, 1fr) !important; min-height: 0 !important; }
  .user-v36 .course-card__main { min-width: 0 !important; padding: 24px !important; }
  .user-v36 .course-card__main h3 { font-size: 28px !important; line-height: 1.16 !important; }
  .user-v36 .course-card__aside { grid-column: 1 / -1 !important; display: grid !important; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) !important; align-items: center !important; gap: 20px !important; padding: 20px 24px !important; border-left: 0 !important; border-top: 1px solid var(--line) !important; }
  .user-v36 .course-card__actions { width: 100% !important; min-width: 0 !important; margin-top: 0 !important; }
  .user-v36 .course-card__price { min-width: 0 !important; grid-template-columns: auto minmax(0, 1fr) !important; justify-content: start !important; }
  .user-v36 .course-card__price strong { font-size: 30px !important; line-height: 1.15 !important; white-space: normal !important; }
  .user-v36 .course-card__price strong:first-child { grid-column: 1 / -1 !important; }
  .user-v36 .course-card__price strong:first-child + small { grid-column: 1 / -1 !important; }
  .user-v36 .course-card :is(.course-card__buy, .course-card__details) { min-width: 0 !important; max-width: 100% !important; height: auto !important; min-height: 48px !important; padding: 12px 14px !important; font-size: 14px !important; line-height: 1.4 !important; white-space: normal !important; }
  .user-v36 .course-card .course-card__stats { grid-template-columns: minmax(0, 1fr) !important; gap: 0 !important; }
  .user-v36 .course-card .course-card__stats > div:nth-child(n) { display: grid !important; grid-template-columns: 78px minmax(0, 1fr) !important; gap: 10px !important; align-items: baseline !important; padding: 7px 0 !important; border: 0 !important; }
  .user-v36 .course-card .course-card__stats dt { font-size: 12px !important; line-height: 1.45 !important; }
  .user-v36 .course-card .course-card__stats dd { margin: 0 !important; white-space: normal !important; font-size: 13px !important; line-height: 1.45 !important; }

  .user-v36 .cd-hero__top, .user-v36 .cd-program { grid-template-columns: minmax(0, 1fr); }
  .user-v36 .cd-hero__copy { padding: 28px; }
  .user-v36 .cd-hero__art { margin: 0 16px 16px; max-height: 320px; }
  .user-v36 .cd-hero__art img { min-height: 0; height: 100%; max-height: 320px; aspect-ratio: 16 / 9; }
  .user-v36 .cd-program { gap: 24px; }
  .user-v36 .study-columns, .user-v36 .lesson-topup-layout { grid-template-columns: minmax(0, 1fr); }
  .user-v36 .study-sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .user-v36 :is(.study-primary, .study-sidebar, .lesson-content, .compact-purchase-form, .lesson-topup-main, .payment-order-card) { min-width: 0; }

  /* Keep scrollable data inside its panel, rather than widening the page. */
  .staff-portal :is(.main, .panel, .panel-body, .checking-section-padding, .course-editor-section-body, .content-editor-fields, .tab-panel) { min-width: 0; }
  .staff-portal :is(.editor-grid, .result-grid, .student-profile-grid, .checking-result-layout, .settings-layout, .transaction-detail-grid, .group-preview-hero) { grid-template-columns: minmax(0, 1fr); }
  .staff-portal :is(.groups-grid, .checking-group-grid) { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
  .staff-portal .topbar { gap: 12px; }
  .staff-portal .profile-link > span:last-child { display: none; }
  .staff-portal .profile-link { min-width: 44px; min-height: 44px; justify-content: center; }
  .staff-portal :is(.page-head, .page-heading, .section-head, .lesson-heading-card, .toolbar, .danger-zone-final) { flex-wrap: wrap; }
  .staff-portal :is(.page-actions, .table-actions, .inline-actions, .course-actions, .content-editor-actions) { display: flex; flex-wrap: wrap; gap: 8px; min-width: 0; }
  .staff-portal :is(.toolbar .search-field, .toolbar select, .toolbar input, .annul-form) { min-width: 0; }
  .staff-portal .data-table { min-width: 560px; }
  .staff-portal .data-table :is(th, td) { white-space: normal; overflow-wrap: anywhere; }
  .staff-portal .data-table .table-actions { min-width: 110px; }
  .staff-portal .table-wrap { overflow-x: auto; }
  .staff-portal .table-wrap:focus-visible, .staff-portal .conduit-table-wrap:focus-visible { outline-offset: -3px; }
  .staff-portal .pagination { flex-wrap: wrap; }
  .staff-portal .pagination :is(a, span) { min-width: 44px; min-height: 44px; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 28px); }
  .user-v36 .v28-header .header-inner { gap: 8px; }
  .user-v36 .v28-header-actions { gap: 4px; }
  .user-v36 .v28-header .account-link { font-size: 13px; }
  .user-v36 .v28-header .account-label-full { display: none; }
  .user-v36 .v28-header .account-label-short { display: inline; }
  .user-v36 .v28-header .account-chevron { width: 16px; height: 16px; }
  .user-v36 .welcome, .user-v36 .welcome .statement-card { min-height: clamp(360px, 62svh, 500px); }
  .user-v36 .welcome .statement-card { padding: 50px 24px 64px; }
  .user-v36 .welcome .statement-text { font-size: clamp(20px, 6.4vw, 42px); letter-spacing: -.035em; }
  .user-v36 .welcome .statement-text span { padding: 7px 8px; margin-top: 8px; box-shadow: 5px 5px 0 rgb(229 154 115 / 85%); }
  .user-v36 .welcome .statement-text span:nth-child(3) { transform: translateX(-8px); }
  .user-v36 .statement-card::before { width: 230px; height: 230px; top: -110px; right: -115px; }
  .user-v36 .statement-card::after { bottom: 28px; width: 94px; height: 16px; }
  .user-v36 .sticker-math { width: 38px; height: 38px; left: auto; right: 24px; bottom: 18px; font-size: 18px; }
  .user-v36 .learning-map { width: var(--shell); margin-top: 16px; padding: 28px 18px; border-radius: 20px; }
  .user-v36 :is(.map-heading h2, .teachers-showcase__header h2, .courses-heading h2, .help-section h2) { font-size: clamp(26px, 7vw, 34px); line-height: 1.16; letter-spacing: -.035em; }
  .user-v36 .map-heading { margin-bottom: 12px; }
  .user-v36 .map-heading h2 { padding-bottom: 16px; }
  .user-v36 .benefit-item:nth-child(n) { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 20px 10px; text-align: center; }
  .user-v36 .benefit-item h3 { display: block; margin: 0; min-height: 0; font-size: 14px; line-height: 1.45; }
  .user-v36 .benefit-icon { width: 64px; height: 58px; margin: 0; flex: 0 0 58px; }
  .user-v36 .teachers-showcase { margin-block: 16px 0; padding: 32px 0; }
  .user-v36 .teachers-showcase__header { align-items: center; gap: 12px; margin-bottom: 20px; }
  .user-v36 .teachers-showcase__controls { flex-shrink: 0; gap: 6px; }
  .user-v36 .teachers-showcase__arrow { width: 44px; height: 44px; }
  .user-v36 .teachers-showcase__viewport { overflow-x: auto; overflow-y: hidden; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; touch-action: auto; cursor: auto; border-radius: 18px; scrollbar-width: thin; scrollbar-color: #a4b5ac transparent; }
  .user-v36 .teachers-showcase__track { gap: 12px; transform: none !important; transition: none; will-change: auto; padding-bottom: 10px; }
  .user-v36 .teachers-showcase__card { flex: 0 0 88%; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; min-height: 0; border-radius: 18px; scroll-snap-align: start; }
  .user-v36 .teachers-count-1 .teachers-showcase__card { flex-basis: 100%; }
  .user-v36 .teachers-showcase__photo { min-height: 0; height: auto; aspect-ratio: 1.25; }
  .user-v36 .teachers-showcase__body { padding: 20px; }
  .user-v36 .teachers-showcase__body h3 { max-width: none; font-size: 23px; line-height: 1.2; }
  .user-v36 .teachers-showcase__body p { max-width: none; margin-top: 10px; font-size: 14px; line-height: 1.6; }
  .user-v36 .courses-section { margin-top: 0; padding: 24px 0 32px; }
  .user-v36 .courses-heading { margin-bottom: 20px; }
  .user-v36 .course-list { gap: 20px; }
  .user-v36 .course-card { grid-template-columns: minmax(0, 1fr) !important; border-radius: 20px !important; }
  .user-v36 .course-card__left { display: grid !important; grid-template-rows: auto auto !important; padding: 12px 12px 0 !important; gap: 12px !important; }
  .user-v36 .course-card__media { width: 100% !important; min-height: 0 !important; height: auto !important; aspect-ratio: 1.75; border-radius: 12px !important; }
  .user-v36 .course-card__media img { width: 100% !important; height: 100% !important; object-fit: cover !important; }
  .user-v36 .course-card .course-card__stats { margin: 0 !important; padding: 0 6px 10px !important; }
  .user-v36 .course-card .course-card__stats > div:nth-child(n) { grid-template-columns: minmax(0, .65fr) minmax(0, 1fr) !important; }
  .user-v36 .course-card__main { padding: 16px 18px 22px !important; border-top: 1px solid var(--line) !important; }
  .user-v36 .course-card__main h3 { font-size: 26px !important; }
  .user-v36 .course-card__description { margin-top: 12px !important; font-size: 14px !important; line-height: 1.65 !important; }
  .user-v36 .course-card__aside { grid-column: 1 !important; grid-template-columns: minmax(0, 1fr) !important; gap: 18px !important; padding: 20px 18px !important; }
  .user-v36 .course-card__price { grid-template-columns: auto minmax(0, 1fr) !important; justify-self: start !important; }
  .user-v36 .course-card__price small { margin-left: 0 !important; line-height: 1.45 !important; }
  .user-v36 .course-card__actions { gap: 10px !important; }
  .user-v36 .help-section { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; padding: 28px 20px; border-radius: 20px; }
  .user-v36 .help-section p { font-size: 14px; line-height: 1.65; }
  .user-v36 .help-section .button { width: 100%; min-width: 0; }
  .user-v36 .site-footer { padding-top: 32px; }
  .user-v36 .site-footer__grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .user-v36 :is(.site-footer__column, .site-footer__links, .site-footer__brand) { min-width: 0; }
  .user-v36 .site-footer__links { gap: 4px; }
  .user-v36 :is(.site-footer__links a, .site-footer__support a) { display: flex; align-items: center; min-height: 44px; line-height: 1.5; }

  /* Course, student workspace and checkout share the same reading width. */
  .user-v36 :is(.learning-main, .compact-purchase-shell, .payment-status-shell, .document-main, .document-shell, .cd-main) { padding-block: 24px 44px; }
  .user-v36 :is(.page-head, .lesson-topup-hero, .payment-history-head, .lesson-access-card) { flex-direction: column; align-items: stretch; gap: 16px; }
  .user-v36 .page-head h1, .user-v36 .cd-hero h1 { font-size: clamp(28px, 8vw, 36px); line-height: 1.16; }
  .user-v36 .page-head { margin-bottom: 24px; }
  .user-v36 .learning-breadcrumbs { flex-wrap: wrap; gap: 6px 8px; margin-bottom: 18px; line-height: 1.6; }
  .user-v36 :is(.page-head-actions, .course-page-title) { min-width: 0; width: 100%; flex-wrap: wrap; }
  .user-v36 .page-head-actions .button { flex: 1 1 180px; }
  .user-v36 .v28-course-mark { width: 52px; height: 52px; flex: 0 0 52px; }
  .user-v36 .my-course-card { grid-template-columns: minmax(0, 1fr); gap: 18px; padding: 14px; border-radius: 20px; }
  .user-v36 .v28-course-art { grid-column: auto; grid-row: auto; width: 100%; height: auto; min-height: 0; aspect-ratio: 1.7; }
  .user-v36 .course-card-content { grid-column: auto; grid-row: auto; padding: 0 4px; }
  .user-v36 .course-card-content h2 { font-size: 24px; line-height: 1.2; }
  .user-v36 .course-card-action-stack { display: grid; grid-template-columns: minmax(0, 1fr); grid-column: auto; grid-row: auto; gap: 10px; padding: 0 4px 4px; border: 0; }
  .user-v36 .study-sidebar { grid-template-columns: minmax(0, 1fr); }
  .user-v36 :is(.study-primary, .study-sidebar) { gap: 16px; }
  .user-v36 :is(.course-info-card, .course-payment-card, .next-lesson-v7, .lesson-description, .homework-section, .lesson-access-card, .section-card, .student-empty-state, .compact-form-section, .panel-like) { padding: 20px 18px; border-radius: 18px; }
  .user-v36 .topic-block > summary { grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; padding: 16px; }
  .user-v36 .lesson-row, .user-v36 .lesson-row:has(.lesson-indicator-done) { grid-template-columns: 20px minmax(0, 1fr) 22px; gap: 6px 10px; padding: 16px 14px; }
  .user-v36 .lesson-number { grid-column: 1; grid-row: 1 / span 2; align-self: start; }
  .user-v36 .lesson-name { grid-column: 2; grid-row: 1; }
  .user-v36 .lesson-name strong { font-size: 14px; line-height: 1.5; }
  .user-v36 .lesson-date { grid-column: 2; grid-row: 2; text-align: left; font-size: 12px; }
  .user-v36 .lesson-row .lesson-indicator-lock { grid-column: 3; grid-row: 1; }
  .user-v36 .lesson-row .lesson-indicator-done { grid-column: 2; grid-row: 3; justify-self: start; font-size: 12px; }
  .user-v36 .lesson-row .lesson-indicator:empty { display: none; }
  .user-v36 .video-shell:not(.is-available) { min-height: 210px; padding: 24px 18px; aspect-ratio: auto; }
  .user-v36 .video-shell.is-available { min-height: 0; aspect-ratio: 16 / 9; padding: 0; }
  .user-v36 :is(.material-link, .homework-assignment-file, .homework-solution-card, .homework-dropzone) { padding: 16px; }
  .user-v36 :is(.material-link, .homework-assignment-file, .homework-solution-card) { align-items: flex-start; }
  .user-v36 .homework-submit-row { flex-direction: column; align-items: stretch; gap: 14px; }
  .user-v36 .homework-submit-row .button { width: 100%; }
  .user-v36 :is(.submission-result-grid, .homework-public-result, .compact-purchase-form, .compact-group-option, .lesson-topup-presets) { grid-template-columns: minmax(0, 1fr); }
  .user-v36 .homework-selected-file { grid-template-columns: minmax(0, 1fr) 44px; }
  .user-v36 .homework-selected-file > span { display: none; }
  .user-v36 .homework-selected-file button { width: 44px; height: 44px; }
  .user-v36 :is(.cd-hero, .cd-modules, .cd-group) { border-radius: 20px; }
  .user-v36 .cd-hero__copy { padding: 24px 20px; }
  .user-v36 .cd-hero h1 { margin-top: 0; }
  .user-v36 .cd-hero__actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; margin-top: 20px; }
  .user-v36 .cd-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 0; padding: 20px 12px; }
  .user-v36 .cd-facts > div { padding-inline: 10px; }
  .user-v36 .cd-facts > div:nth-child(odd) { border-left: 0; }
  .user-v36 .cd-facts dd { font-size: 16px; line-height: 1.4; }
  .user-v36 .cd-section { margin-top: 40px; }
  .user-v36 .cd-section h2 { font-size: 28px; }
  .user-v36 .cd-module summary { grid-template-columns: 22px minmax(0, 1fr) 30px; padding: 16px 14px; gap: 10px; }
  .user-v36 .cd-module__count { display: block; grid-column: 2; grid-row: 2; white-space: normal; }
  .user-v36 .cd-module__toggle { grid-column: 3; grid-row: 1; }
  .user-v36 .cd-module__body { padding: 0 18px 20px; }
  .user-v36 .cd-group { grid-template-columns: minmax(0, 1fr); }
  .user-v36 .cd-group__main { padding: 22px 18px; }
  .user-v36 .cd-group h3 { font-size: 25px; line-height: 1.2; }
  .user-v36 .cd-seat { margin-left: 0; }
  .user-v36 .cd-schedule { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .user-v36 .cd-schedule > div { padding: 0; border: 0; }
  .user-v36 .cd-schedule dd { font-size: 16px; line-height: 1.5; }
  .user-v36 .cd-group__aside { padding: 22px 18px; border-left: 0; border-top: 1px solid var(--line); }
  .user-v36 .cd-group__aside .cd-button { min-height: 48px; padding: 12px 14px; white-space: normal; }
  .user-v36 .compact-section-head { flex-wrap: wrap; gap: 10px; }
  .user-v36 :is(.lesson-package-intro, .lesson-topup-context, .lesson-price-summary-main) { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 14px; }
  .user-v36 .lesson-package-intro > div { padding: 0; border: 0; }
  .user-v36 .compact-plan-options { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .user-v36 .compact-plan-card { grid-template-columns: minmax(0, 1fr) auto; gap: 6px 12px; min-height: 88px; padding: 16px; }
  .user-v36 .compact-plan-card > strong { grid-column: 1; grid-row: 1; margin: 0; padding: 0; }
  .user-v36 .compact-plan-card > small { grid-column: 1; grid-row: 2; }
  .user-v36 .compact-plan-card .compact-plan-price { grid-column: 2; grid-row: 1 / span 2; align-self: center; padding: 0; font-size: 24px; }
  .user-v36 .lesson-package-custom-head { align-items: stretch; flex-direction: column; }
  .user-v36 .lesson-package-custom-head .commerce-field { width: 100%; display: grid; gap: 8px; }
  .user-v36 .lesson-package-custom-head input { width: 100%; max-width: none; text-align: left; }
  .user-v36 .compact-purchase-submit { justify-self: stretch; width: 100%; min-width: 0; }
  .user-v36 .compact-purchase-note { text-align: left; }
  .user-v36 .payment-state-main { grid-template-columns: 44px minmax(0, 1fr); gap: 12px; }
  .user-v36 .payment-state-badge { grid-column: 2; justify-self: start; }
  .user-v36 .payment-order-head { flex-wrap: wrap; }
  .user-v36 .payment-history-table .data-table :is(thead, th) { display: none; }
  .user-v36 .payment-history-table .data-table :is(tbody, tr, td) { display: block; width: 100%; }
  .user-v36 .payment-history-table .data-table tr { padding: 14px 18px; border-bottom: 1px solid var(--line); }
  .user-v36 .payment-history-table .data-table td { border: 0; padding: 7px 0; white-space: normal; }
  .user-v36 .payment-history-table .data-table td::before { content: attr(data-label); display: block; margin-bottom: 4px; color: var(--muted); font-size: 12px; font-weight: 500; }
  .user-v36 .payment-history-table .data-table td[colspan]::before { display: none; }

  /* Let the dialog itself scroll, including when the phone keyboard is open. */
  .user-v36 :is(.auth-dialog, .auth-dialog.is-register, .dashboard-dialog, .consultation-dialog, .cd-teacher-dialog, .homework-confirm-modal) { width: calc(100% - 24px); max-width: 540px; max-height: calc(100dvh - 24px); margin: auto; padding: 0; border-radius: 20px; overflow-y: auto; overscroll-behavior: contain; }
  .user-v36 :is(.auth-shell, .consultation-shell, .homework-confirm-dialog) { padding: 24px 20px; max-height: none; }
  .user-v36 .cd-teacher-dialog { padding: 24px 20px; }
  .user-v36 :is(.auth-close, .consultation-close, .cd-dialog-close, .homework-confirm-close) { top: 10px; right: 10px; width: 44px; height: 44px; }
  .user-v36 :is(.auth-view h2, .consultation-contact-head h2, .cd-teacher-dialog h2) { margin: 0 0 20px; padding-right: 38px; font-size: 26px; line-height: 1.2; }
  .user-v36 .consultation-form { overflow: visible; padding: 0; gap: 16px; }
  .user-v36 .consultation-actions { position: static; padding: 6px 0 0; }
  .user-v36 .consultation-shell { display: block; }
  .user-v36 :is(.registration-name-grid, .registration-contact-grid, .registration-password-grid, .settings-grid) { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .user-v36 :is(.auth-field input, .auth-field select, .auth-field textarea, .settings-grid input, .settings-grid select, .consultation-field input, .consultation-field textarea, .commerce-field input, .commerce-field select, .homework-ai-form textarea) { min-width: 0; font-size: 16px; }
  .user-v36 .password-control button { min-height: 44px; }
  .user-v36 .dashboard-shell { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .user-v36 .dashboard-sidebar { padding: 14px; gap: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .user-v36 :is(.dashboard-user, .dashboard-sidebar > form) { display: none; }
  .user-v36 .dashboard-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .user-v36 .dashboard-nav-item { min-height: 46px; padding: 12px 8px; text-align: center; font-size: 14px; }
  .user-v36 .dashboard-main { padding: 20px 18px; }
  .user-v36 .dashboard-header { margin-bottom: 20px; padding-bottom: 16px; gap: 12px; }
  .user-v36 .dashboard-header h2 { font-size: 26px; }
  .user-v36 .dashboard-settings-form > .button { width: 100%; }
  .user-v36 .dashboard-payment-row { grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 16px; }
  .user-v36 .dashboard-payment-row > :is(span, strong, b) { grid-column: 1; grid-row: auto; }
  .user-v36 .homework-confirm-actions { display: grid; grid-template-columns: minmax(0, 1fr); }
  .user-v36 .homework-confirm-dialog h2 { padding-right: 36px; font-size: 26px; line-height: 1.2; }

  /* Staff editors and filters must remain usable without tiny controls. */
  .staff-portal .main { width: calc(100% - 28px); padding-top: 20px; }
  .staff-portal .main p { font-size: 14px; line-height: 1.6; }
  .staff-portal .main :is(small, dt) { font-size: 13px; line-height: 1.55; }
  .staff-portal .main :is(.course-editor-group-facts span, .v38-program-schedule span, .v38-rule-banner span, .v38-group-metric span, .course-editor-order-buttons > span, .next-lesson-card > span, .weekday-time-input > span, .check-list span) { font-size: 13px; line-height: 1.5; }
  .staff-portal .main :is(.v38-program-title strong, .check-list strong, .v38-rule-banner strong, .course-editor-group-facts strong, .teacher-chip strong, .weekday-time-toggle span) { font-size: 14px; line-height: 1.5; }
  .staff-portal :is(.admin-mini, .teacher-mini) strong { font-size: 13px; line-height: 1.5; }
  .staff-portal :is(.checking-card-action, .score-badge, .module-number, .planned-lesson-number, .program-lesson-number, .v38-program-number, .v38-program-module-head > span, .lesson-admin-row > span) { font-size: 12px; }
  .staff-portal .weekday-time-toggle { min-height: 44px; }
  .staff-portal :is(.page-head, .page-heading, .lesson-heading-card) h1 { font-size: 28px; line-height: 1.2; }
  .staff-portal :is(.page-head, .page-heading, .lesson-heading-card, .danger-zone-final) { flex-direction: column; align-items: stretch; gap: 16px; }
  .staff-portal .page-actions { width: 100%; }
  .staff-portal .page-actions > :is(.button, form) { flex: 1 1 160px; }
  .staff-portal .page-actions > form .button { width: 100%; }
  .staff-portal .topbar-title > span { display: none; }
  .staff-portal .topbar-title strong { font-size: 13px; }
  .staff-portal :is(.field-grid, .form-grid, .course-editor-group-facts, .group-preview-facts, .result-overview, .transaction-policy, .checking-summary-strip, .homework-editor-files, .homework-deadline-grid) { grid-template-columns: minmax(0, 1fr); }
  .staff-portal :is(.field-full, .form-full) { grid-column: 1 / -1; }
  .staff-portal :is(.field, .auth-field, .content-editor-fields, .program-lesson-form, .module-editor-row, .inline-actions, .toolbar, .panel form p) :is(input:not([type="checkbox"]):not([type="radio"]), select, textarea), .staff-portal .select { min-width: 0; max-width: 100%; min-height: 44px; font-size: 16px; }
  .staff-portal .toolbar .toolbar-left { display: grid; grid-template-columns: minmax(0, 1fr); }
  .staff-portal .toolbar :is(.search-field, input, select, .button) { width: 100%; }
  .staff-portal .toolbar .search-field { flex-basis: auto; }
  .staff-portal .tabs { display: flex; flex-wrap: wrap; gap: 6px; }
  .staff-portal .tabs > :is(a, button) { flex: 1 1 140px; min-height: 46px; white-space: normal; text-align: center; }
  .staff-portal .detail-list > div { grid-template-columns: minmax(0, 1fr); gap: 6px; padding-block: 12px; }
  .staff-portal :is(.panel-card, .file-card, .file-row, .program-module summary) { flex-wrap: wrap; }
  .staff-portal :is(.file-card-actions, .file-row .inline-actions, .content-editor-actions) { flex-wrap: wrap; width: 100%; }
  .staff-portal .annul-form { width: 100%; flex-direction: column; align-items: stretch; }
  .staff-portal .annul-form .field { width: 100%; }
  .staff-portal .admin-form-dialog { max-height: calc(100dvh - 24px); overflow-y: auto; overscroll-behavior: contain; }
  .staff-portal .admin-form-dialog-head { align-items: flex-start; }
  .staff-portal .admin-form-dialog-head .icon-btn { flex: 0 0 44px; }
  .staff-portal .admin-form-dialog-foot { flex-wrap: wrap; }
  .staff-portal .admin-form-dialog-foot .button { flex: 1 1 120px; }
  .staff-portal .fact-editor-row { grid-template-columns: minmax(0, 1fr); }
  .staff-portal .lesson-admin-row { grid-template-columns: 36px minmax(0, 1fr); padding: 12px; gap: 8px 10px; }
  .staff-portal .lesson-admin-row :is(time, em) { grid-column: 2; font-size: 13px; }
  .staff-portal .conduit-table .conduit-student-column { width: 128px; min-width: 128px; max-width: 128px; padding-inline: 8px; }
  .staff-portal .conduit-table .score-link { min-width: 44px; min-height: 44px; }
  .staff-portal .conduit-table .conduit-student-column strong { white-space: normal; overflow-wrap: anywhere; }
}

@media (max-width: 360px) {
  .user-v36 .v28-header .brand-copy strong { font-size: 13px; }
  .user-v36 .v28-header .brand-mark { width: 28px; height: 28px; flex-basis: 28px; }
  .user-v36 .v28-header .brand { gap: 6px; }
  .user-v36 .teachers-showcase__header { flex-wrap: wrap; }
  .user-v36 .teachers-showcase__card { flex-basis: 92%; }
  .user-v36 .compact-plan-card { grid-template-columns: minmax(0, 1fr); }
  .user-v36 .compact-plan-card .compact-plan-price { grid-column: 1; grid-row: 3; }
}