/* Desktop layouts for the existing learning flows. All rules stay in the web app. */
.web-app .page:not(:is([data-page="home"], [data-page="courses"], [data-page="tools"])) {
  width: 100%;
  max-width: 1380px;
  min-width: 0;
  margin-inline: auto;
  padding: 28px 32px 40px;
}
.web-app .page > * { min-width: 0; }
.web-app .page .secondary-header { margin: 0 0 24px; padding: 0; }
.web-app .page .secondary-header h1 { font-size: calc(25px * var(--font-scale)); line-height: 1.4; overflow-wrap: anywhere; }
.web-app .page .secondary-header > .icon-button:first-child { background: #fff; border: 1px solid #e7ecf6; }
.web-app .page .detail-title { font-size: calc(27px * var(--font-scale)); line-height: 1.5; overflow-wrap: anywhere; }
.web-app .page .detail-desc { font-size: calc(15px * var(--font-scale)); line-height: 1.9; }
.web-app .page .detail-stats { flex-wrap: wrap; gap: 12px 22px; }
.web-app .page .video-stage { width: 100%; max-width: 100%; }
.web-app .page .card { border: 1px solid #e9edf5; box-shadow: 0 5px 24px #26395904; }
.web-app .page .section { margin-top: 28px; }
.web-app .page .section-head .more { margin-right: 0; }
.web-app .page .btn, .web-app .page .follow, .web-app .page .studio-button { min-height: 48px; }
.web-app .page .sticky-action { bottom: -40px; margin: 28px -1px -40px; padding: 18px 0 24px; }
.web-app .page .sticky-action > .btn { max-width: 480px; }
.web-app .page .sticky-action > .btn + .btn { margin-top: 12px; }
.web-app .page .empty-state, .web-app .page .studio-empty { padding-block: 50px; }
.web-app .page .studio-empty > img { margin-inline: auto; }
.web-app .page .course-grid, .web-app .page .tool-grid { gap: 20px; }
.web-app .page .chips { margin-block: 18px; }
.web-app .page .searchbox { max-width: 620px; background: #fff; }
.web-app .page .search-input-wrap { background: #fff; border: 1px solid #e4eaf4; border-radius: 15px; }

/* Community: a gallery of actual posts with a generous invitation to join in. */
.web-app .page[data-page="community"] > .header,
.web-app .page[data-page="profile"] > .header { display: none; }
.web-app .page[data-page="community"] > .web-page-heading { display: none; }
.web-app .page[data-page="tasks"] > .web-page-heading { display: none; }
.web-app .page[data-page="community"] > .community-intro { min-height: 168px; padding: 28px 32px; margin-top: 22px; border: 1px solid #e3e9fc; border-radius: 24px; background: linear-gradient(110deg,#eaf2ff,#f0ecff 78%,#e6e2ff); }
.web-app .page[data-page="community"] .community-intro h1 { font-size: calc(30px * var(--font-scale)); }
.web-app .page[data-page="community"] .community-intro p { font-size: calc(15px * var(--font-scale)); margin-top: 10px; }
.web-app .page[data-page="community"] .community-intro img { right: 30px; top: -6px; width: 184px; }
.web-app .page[data-page="community"] .group-chat-entry { min-height: 94px; padding: 18px 24px; background: #fff; }
.web-app .page[data-page="community"] .group-chat-entry strong { font-size: calc(17px * var(--font-scale)); }
.web-app .page[data-page="community"] .group-entry-icon { width: 48px; height: 48px; background: #f0edff; }
.web-app .page[data-page="community"] .group-entry-avatars > img { width: 35px; height: 35px; }
.web-app .page[data-page="community"] .group-entry-link { margin-left: 20px; }
.web-app .page[data-page="community"] .publish-strip { padding: 20px 24px; border-radius: 18px; }
.web-app .page[data-page="community"] .horizontal-scroll { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin: 0; padding: 0; overflow: visible; }
.web-app .page[data-page="community"] .featured-card { min-width: 0; }
.web-app .page[data-page="community"] .featured-image { aspect-ratio: 1.8; border-radius: 17px; }
.web-app .page[data-page="community"] .featured-card h3 { font-size: calc(15px * var(--font-scale)); margin-top: 12px; }
.web-app .page[data-page="community"] .section:has(> .post) { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; align-items: start; }
.web-app .page[data-page="community"] .section:has(> .post) > .section-head { grid-column: 1 / -1; margin: 0; }
.web-app .page[data-page="community"] .post { margin: 0; overflow: hidden; border-radius: 20px; }
.web-app .page[data-page="community"] .post-photo img { aspect-ratio: 1.2; }
.web-app .page[data-page="community"] .post-body h3 { font-size: calc(16px * var(--font-scale)); line-height: 1.6; }
.web-app .page[data-page="community"] .post-body p { font-size: calc(14px * var(--font-scale)); }
.web-app .page[data-page="community"] .post-actions { margin-block: 8px 4px; }

/* Profile and collections retain the same persisted local data and actions. */
.web-app .page[data-page="profile"] .profile-card { min-height: 188px; padding: 34px; margin-top: 0; gap: 24px; }
.web-app .page[data-page="profile"] .profile-avatar { width: 88px; height: 88px; flex: 0 0 88px; }
.web-app .page[data-page="profile"] .profile-avatar > img { width: 88px; height: 88px; }
.web-app .page[data-page="profile"] .profile-card h1 { font-size: calc(28px * var(--font-scale)); }
.web-app .page[data-page="profile"] .profile-card .progress-track { max-width: 420px; }
.web-app .page[data-page="profile"] .member-card { min-height: 112px; padding: 28px 32px; margin-top: 22px; }
.web-app .page[data-page="profile"] .member-top { gap: 18px; }
.web-app .page[data-page="profile"] .member-card .btn { padding-inline: 24px; }
.web-app .page[data-page="profile"] .menu-card { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); padding: 12px 24px; margin-top: 22px; column-gap: 28px; }
.web-app .page[data-page="profile"] .menu-row { min-height: 96px; padding: 20px 4px; gap: 16px; }
.web-app .page[data-page="profile"] .menu-row > div { min-width: 0; }
.web-app .page[data-page="profile"] .menu-row strong { font-size: calc(16px * var(--font-scale)); }
.web-app .page[data-page="profile"] .menu-row small { font-size: calc(13px * var(--font-scale)); }
.web-app .page[data-page="profile"] .menu-row > .icon:first-child { width: 24px; height: 24px; }
.web-app .page[data-page="profile"] .benefits { grid-template-columns: repeat(6,minmax(0,1fr)); padding-block: 25px; }
.web-app .page[data-page="profile"] .profile-caption { padding: 14px 0; }
.web-app .page .saved-list, .web-app .page .studio-record-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.web-app .page .saved-list .menu-row { margin: 0; padding: 18px; min-height: 110px; }
.web-app .page .saved-list .menu-row img { width: 100px; height: 74px; }
.web-app .page .saved-list .menu-row strong { font-size: calc(15px * var(--font-scale)); }
.web-app .page .studio-record-card { min-height: 136px; padding: 20px; gap: 18px; }
.web-app .page .studio-record-thumb { width: 86px; height: 86px; }
.web-app .page .studio-record-line strong { font-size: calc(16px * var(--font-scale)); }
.web-app .page .studio-records-intro { padding: 7px 0 24px; }
.web-app .page .studio-records-intro h2 { font-size: calc(27px * var(--font-scale)); }

/* Course reading and assessment use a comfortable line length. */
.web-app .page:is([data-page="courseware"], [data-page="quiz"], [data-page="article"], [data-page="publish"], [data-page="member"], [data-page="notices"], [data-page="creation-record"]) { max-width: 960px; }
.web-app .page .learning-tabs { margin-block: 22px; }
.web-app .page .learning-tabs button { min-height: 56px; }
.web-app .page .learning-document { padding: 32px 38px; }
.web-app .page .learning-document section + section { padding-top: 28px; margin-top: 28px; }
.web-app .page .learning-document-head { margin-top: 24px; }
.web-app .page .learning-question { margin-top: 28px; padding: 20px 22px; }
.web-app .page .learning-option { padding: 15px 18px; gap: 14px; }
.web-app .page .learning-score { padding: 32px; }
.web-app .page .learning-quiz-footer { max-width: 540px; margin: 28px auto 0; }
.web-app .page .learning-bottom-actions { flex-direction: row; }
.web-app .page .learning-bottom-actions > .btn { flex: 1; margin: 0; }
.web-app .page[data-page="article"] .detail-cover { max-height: 380px; margin-bottom: 24px; }
.web-app .page[data-page="article"] .article-body { padding-block: 12px; }
.web-app .page[data-page="article"] .article-body p { font-size: calc(17px * var(--font-scale)); line-height: 2; margin-block: 24px; }
.web-app .page[data-page="article"] .article-callout { padding: 28px; }
.web-app .page[data-page="article"] .article-callout .btn { max-width: 400px; }
.web-app .page[data-page="work"] { max-width: 1080px; }
.web-app .page[data-page="work"] .community-detail-media { background: #eaf0f9; padding: 16px; border-radius: 24px; }
.web-app .page[data-page="work"] .community-detail-media .full-art { margin: 0; max-height: 640px; }
.web-app .page[data-page="work"] > .post-actions { max-width: 540px; margin: 16px 0; }
.web-app .page[data-page="work"] .note-card { padding: 26px; }
.web-app .page[data-page="work"] .note-card .btn { max-width: 360px; }
.web-app .page[data-page="search"] { max-width: 1120px; }
.web-app .page[data-page="search"] .search-input-wrap { max-width: 840px; }
.web-app .page[data-page="news"] .news-swipe-viewport { margin: 0; padding: 0 0 14px; gap: 20px; }
.web-app .page[data-page="news"] .news-card { width: 300px; flex-basis: 300px; }
.web-app .page[data-page="news"] .news-card h3 { font-size: calc(18px * var(--font-scale)); }
.web-app .page[data-page="news"] .news-card-body { padding: 20px; }
.web-app .page[data-page="news"] .headline-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.web-app .page[data-page="news"] .headline-card { margin: 0; }
.web-app .page[data-page="orders"] .orders-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.web-app .page[data-page="orders"] .demo-order { padding: 22px; }
.web-app .page[data-page="orders"] .demo-order-main h3 { font-size: calc(16px * var(--font-scale)); }
.web-app .page[data-page="search"] :is(.course-grid,.tool-grid),
.web-app .page[data-page="course-list"] .course-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }

/* Creation forms stay usable at desktop widths and generated media stays contained. */
.web-app .page[data-page="tool"]:not(:has(.studio-chat-screen)) { max-width: 1000px; }
.web-app .page[data-page="tool"] .studio-intro { padding: 8px 0 12px; gap: 20px; }
.web-app .page[data-page="tool"] .studio-tool-icon { width: 80px; height: 80px; }
.web-app .page[data-page="tool"] .studio-intro h2 { font-size: calc(24px * var(--font-scale)); }
.web-app .page[data-page="tool"] .studio-card { padding: 26px; margin-block: 20px; }
.web-app .page[data-page="tool"] .studio-parameters { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.web-app .page[data-page="tool"] .studio-field:has([data-studio-field="model"]) { grid-column: 1 / -1; }
.web-app .page[data-page="tool"] .studio-field > span { font-size: calc(14px * var(--font-scale)); }
.web-app .page[data-page="tool"] [data-studio-form="generate"] > .studio-primary { max-width: 460px; display: flex; margin-inline: auto; }
.web-app .page[data-page="tool"] [data-studio-input]:not(.studio-chat-composer textarea) { min-height: 180px; }
.web-app .page[data-page="tool"] .studio-upload { min-height: 144px; }
.web-app .page .studio-human-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.web-app .page .studio-script-library { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.web-app .page .studio-result-gallery.single { max-width: 660px; margin-inline: auto; }
.web-app .page .studio-video-preview, .web-app .page .studio-actual-video { max-height: 520px; }
.web-app .page .studio-output video { width: 100%; object-fit: contain; max-height: 520px; background: #101c31; }
.web-app .page .studio-shots { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.web-app .page .studio-local-footnote { font-size: calc(12px * var(--font-scale)); }

/* Chats have their own scroller; the input remains within the visible workspace. */
.web-app .phone:is(.group-chat-shell,.studio-chat-shell,.support-chat-shell) .app-content { overflow: hidden !important; }
.web-app .phone:is(.group-chat-shell,.studio-chat-shell,.support-chat-shell) .page { height: 100%; max-width: none; margin: 0; padding: 20px 28px 28px; overflow: hidden; }
.web-app :is(.group-chat-screen,.studio-chat-screen,.support-chat-screen) { height: 100%; min-height: 0; max-width: 1120px; margin-inline: auto; border: 1px solid #e2e8f3; border-radius: 22px; overflow: hidden; background: #fff; box-shadow: 0 10px 35px #34426906; }
.web-app .studio-chat-screen { position: relative; }
.web-app .studio-chat-main { flex: 1; min-height: 0; }
.web-app :is(.group-header,.support-chat-screen > .secondary-header,.studio-chat-screen .studio-header) { padding: 12px 20px; min-height: 78px; }
.web-app .group-header h1, .web-app .support-chat-screen > .secondary-header h1, .web-app .studio-chat-screen .studio-header h1 { font-size: calc(20px * var(--font-scale)); }
.web-app :is(.group-announcement-bar,.support-service-banner,.studio-chat-model) { padding-inline: 26px; }
.web-app :is(.group-messages,.support-messages,.studio-chat-messages) { padding: 24px 32px 32px; }
.web-app :is(.group-chat-footer,.support-composer,.studio-chat-footer) { padding: 16px 28px 14px; }
.web-app :is(.group-message-content,.support-message > div) { max-width: min(80%,740px); }
.web-app .group-message-avatar { width: 42px; height: 42px; border-radius: 14px; }
.web-app .group-message { gap: 14px; margin-top: 24px; }
.web-app .group-message-text { padding: 14px 18px; }
.web-app .group-emoji-grid { grid-template-columns: repeat(10,minmax(0,1fr)); }
.web-app .studio-chat-welcome > span { width: 80px; height: 80px; border-radius: 28px; }
.web-app .studio-chat-welcome h2 { font-size: calc(30px * var(--font-scale)); }
.web-app .studio-chat-welcome p { font-size: calc(16px * var(--font-scale)); }
.web-app .studio-chat-suggestions { width: 100%; max-width: 660px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.web-app .studio-chat-suggestions > button { min-height: 92px; padding: 18px; font-size: calc(14px * var(--font-scale)); }
.web-app .studio-chat-message { max-width: 860px; margin-inline: auto; }
.web-app .studio-chat-composer, .web-app .studio-chat-credit-note, .web-app .studio-chat-attachments { max-width: 860px; margin-inline: auto; }
.web-app .studio-chat-footer .studio-chat-composer { grid-template-columns: 48px minmax(0,1fr) 48px; }
.web-app .studio-chat-footer .studio-chat-send { grid-column: auto; width: 48px; }
.web-app .studio-chat-sidebar { max-width: min(320px,86%); }
.web-app .studio-chat-sidebar-layer { border-radius: inherit; }

/* Live classrooms and the portrait stage keep distinct, intentional proportions. */
.web-app .page[data-page="live"] .live-hero { min-height: 320px; padding: 32px 40px; }
.web-app .page[data-page="live"] .live-hero h1 { font-size: calc(36px * var(--font-scale)); line-height: 1.4; }
.web-app .page[data-page="live"] .live-hero h1 br { display: none; }
.web-app .page[data-page="live"] .hero-copy { max-width: 60%; }
.web-app .page[data-page="live"] .hero-copy p { max-width: none; font-size: calc(15px * var(--font-scale)); margin-top: 14px; }
.web-app .page[data-page="live"] .hero-img { width: 330px; max-width: 42%; height: 320px; right: 24px; bottom: 0; }
.web-app .page[data-page="live"] .hero-pagination { left: 40px; bottom: 18px; }
.web-app .page[data-page="live"] .live-classroom-cards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.web-app .page[data-page="live"] .live-card { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: start; gap: 16px; margin: 0; padding: 16px; }
.web-app .page[data-page="live"] .live-card > img { grid-column: 1 / -1; width: 100%; height: auto; aspect-ratio: 1.7; border-radius: 13px; }
.web-app .page[data-page="live"] .live-card h3 { font-size: calc(16px * var(--font-scale)); }
.web-app .page[data-page="live"] .live-card .reserve { margin: 0; align-self: end; }
.web-app .page[data-page="live"] .replay-card { flex-direction: column; align-items: stretch; margin: 0; padding: 16px; }
.web-app .page[data-page="live"] .replay-thumb { width: 100%; aspect-ratio: 1.8; }
.web-app .page[data-page="live"] .replay-card h3 { font-size: calc(16px * var(--font-scale)); }
.web-app .page[data-page="live"] .calendar-panel { padding: 20px; }
.web-app .phone .calendar-grid button { flex: 1 0 48px; }
.web-app .phone.live-room-shell { background: #101725; }
.web-app .phone.live-room-shell .app-content { height: 100%; overflow: hidden; }
.web-app .phone.live-room-shell .page[data-page="live-room"] { height: 100%; max-width: none; padding: 18px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.web-app .phone.live-room-shell .page[data-page="live-room"] > :is(.web-footer,.web-page-heading) { display: none; }
.web-app .phone.live-room-shell .live-room { width: auto; height: min(100%,800px); aspect-ratio: 9 / 16; max-width: 100%; flex: 0 0 auto; border-radius: 22px; box-shadow: 0 18px 70px #0007; }
.web-app .page[data-page="live-detail"] { max-width: 960px; }
.web-app .page[data-page="live-detail"] .detail-cover { max-height: 390px; }

/* Dialogs belong to the full web viewport, including when opened from live rooms. */
.web-app .helper-panel { position: fixed; inset: 0; z-index: 100; padding: 28px; align-items: center; justify-content: center; background: #14213d66; backdrop-filter: blur(6px); }
.web-app .helper-sheet { width: min(100%,580px); max-height: calc(100dvh - 56px); padding: 24px 28px 30px; border: 1px solid #fff8; border-radius: 24px; box-shadow: 0 24px 100px #12245133; }
.web-app .helper-sheet .sheet-handle { display: none; }
.web-app .helper-sheet .sheet-header { margin-bottom: 18px; }
.web-app .helper-sheet .sheet-header h2 { line-height: 1.5; overflow-wrap: anywhere; }
.web-app .helper-sheet .sheet-body { line-height: 1.8; }
.web-app .helper-sheet .sheet-body > p { font-size: calc(15px * var(--font-scale)); }
.web-app .helper-sheet .sheet-body .card { padding: 18px; }
.web-app .helper-sheet :is(button,input,select) { min-height: 48px; }
.web-app .live-sheet-panel .helper-sheet { border: 1px solid #ffffff20; border-radius: 24px; }
.web-app .phone .toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); width: max-content; max-width: min(540px,calc(100vw - 32px)); z-index: 120; }

@media (min-width: 1080px) {
  .web-app .page[data-page="course"] { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(320px,1fr); gap: 12px 32px; align-items: start; }
  .web-app .page[data-page="course"] > .secondary-header { grid-column: 1 / -1; margin-bottom: 12px; }
  .web-app .page[data-page="course"] > .detail-cover { grid-column: 1; grid-row: 2 / 8; width: 100%; height: 100%; min-height: 340px; max-height: 540px; aspect-ratio: auto; margin: 0; border-radius: 24px; }
  .web-app .page[data-page="course"] > .tag { grid-column: 2; grid-row: 2; justify-self: start; }
  .web-app .page[data-page="course"] > .detail-title { grid-column: 2; grid-row: 3; margin: 0 !important; }
  .web-app .page[data-page="course"] > .detail-desc { grid-column: 2; grid-row: 4; margin: 0; }
  .web-app .page[data-page="course"] > .detail-stats { grid-column: 2; grid-row: 5; margin: 4px 0; }
  .web-app .page[data-page="course"] > .learning-purchase-card { grid-column: 2; grid-row: 6; margin: 4px 0; }
  .web-app .page[data-page="course"] > .detail-teacher { grid-column: 2; grid-row: 7; margin: 0; padding: 16px; }
  .web-app .page[data-page="course"] > #learning-course-content { grid-column: 1; grid-row: 8 / 11; margin-top: 22px; }
  .web-app .page[data-page="course"] > .section:has(.learning-path) { grid-column: 2; grid-row: 8; margin-top: 22px; }
  .web-app .page[data-page="course"] > .sticky-action { grid-column: 2; grid-row: 9; position: static; margin: 0; padding: 4px 0 0; background: none; border: 0; }
  .web-app .page[data-page="course"] > .sticky-action .btn { max-width: none; }
  .web-app .page[data-page="course"] > .web-footer { grid-column: 1 / -1; grid-row: 11; }
  .web-app .page[data-page="course"] .learning-course-tabs { margin-top: 0; }
  .web-app .page[data-page="course"] .learning-course-panel { padding: 8px 20px; }
  .web-app .page[data-page="course"] .chapter { padding-block: 17px; }
  .web-app .page[data-page="course"] .learning-path { padding: 24px; }

  .web-app .page[data-page="player"] { display: grid; grid-template-columns: minmax(0,1fr) minmax(290px,.44fr); gap: 16px 24px; align-items: start; }
  .web-app .page[data-page="player"] > .secondary-header { grid-column: 1 / -1; margin-bottom: 8px; }
  .web-app .page[data-page="player"] > .video-stage { grid-column: 1; grid-row: 2 / 5; aspect-ratio: auto; height: 100%; min-height: 330px; margin: 0; border-radius: 22px; }
  .web-app .page[data-page="player"] > .video-stage .play-big { width: 76px; height: 76px; }
  .web-app .page[data-page="player"] > .video-controls { grid-column: 1; grid-row: 5; margin: 0; padding: 10px 18px; }
  .web-app .page[data-page="player"] > .learning-tabs { grid-column: 2; grid-row: 2; margin: 0; }
  .web-app .page[data-page="player"] > .learning-note { grid-column: 2; grid-row: 3; margin: 0; padding: 22px; }
  .web-app .page[data-page="player"] > .learning-resource-grid { grid-column: 2; grid-row: 4; margin: 0; grid-template-columns: 1fr; }
  .web-app .page[data-page="player"] .learning-resource { display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 6px 10px; padding: 16px; }
  .web-app .page[data-page="player"] .learning-resource > .icon { grid-row: 1 / 3; }
  .web-app .page[data-page="player"] .learning-resource > span { grid-column: 2; }
  .web-app .page[data-page="player"] > .learning-context { grid-column: 1; grid-row: 6; margin: 0; }
  .web-app .page[data-page="player"] > .learning-title { grid-column: 1; grid-row: 7; margin: 0; }
  .web-app .page[data-page="player"] > .tip { grid-column: 1; grid-row: 8; margin: 0; }
  .web-app .page[data-page="player"] > .sticky-action { grid-column: 2; grid-row: 5 / 9; position: static; margin: 0; padding: 0; border: 0; background: none; }
  .web-app .page[data-page="player"] > .sticky-action .btn { max-width: none; }
  .web-app .page[data-page="player"] > .web-footer { grid-column: 1 / -1; grid-row: 9; }

  .web-app .page[data-page="tasks"] { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,1fr); gap: 24px 30px; align-items: start; }
  .web-app .page[data-page="tasks"] > .secondary-header { grid-column: 1 / -1; margin: 0; }
  .web-app .page[data-page="tasks"] > .task-hero { grid-column: 1; grid-row: 2; padding: 32px; margin: 0; }
  .web-app .page[data-page="tasks"] > .task-hero h1 { font-size: calc(32px * var(--font-scale)); }
  .web-app .page[data-page="tasks"] > .task-hero > img { width: 190px; height: 190px; right: 10px; top: 5px; }
  .web-app .page[data-page="tasks"] > .section:has(.task-row) { grid-column: 2; grid-row: 2 / 4; margin: 0; }
  .web-app .page[data-page="tasks"] > .section:has(.redeem-row) { grid-column: 1; grid-row: 3; margin: 0; }
  .web-app .page[data-page="tasks"] .task-row { padding: 20px 18px; }
  .web-app .page[data-page="tasks"] .redeem-row { padding: 20px; }
  .web-app .page[data-page="tasks"] > .web-footer { grid-column: 1 / -1; grid-row: 4; }
}

@media (max-width: 1279px) {
  .web-app .page[data-page="community"] .section:has(> .post), .web-app .page[data-page="live"] .live-classroom-cards { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .web-app .page[data-page="profile"] .benefits { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .web-app .page[data-page="profile"] .menu-row { flex-wrap: wrap; }
  .web-app .page[data-page="profile"] .menu-row > div { flex: 1; }
  .web-app .page[data-page="profile"] .menu-row > .badge { margin-left: 40px; }
}

@media (max-width: 1079px) {
  .web-app .page:not(:is([data-page="home"],[data-page="courses"],[data-page="tools"])) { padding: 24px; }
  .web-app .page .sticky-action { bottom: -24px; margin-bottom: -24px; }
  .web-app .page[data-page="course"] > .detail-cover { max-height: 390px; }
  .web-app .page[data-page="player"] > .video-stage { aspect-ratio: 16/9; }
  .web-app .page[data-page="profile"] .menu-card { column-gap: 20px; padding-inline: 18px; }
  .web-app .page[data-page="search"] :is(.course-grid,.tool-grid), .web-app .page[data-page="course-list"] .course-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .web-app .page .saved-list, .web-app .page .studio-record-list { grid-template-columns: 1fr; }
  .web-app .page[data-page="live"] .live-hero { min-height: 290px; padding: 25px; }
  .web-app .page[data-page="live"] .live-hero h1 { font-size: calc(30px * var(--font-scale)); }
  .web-app .page[data-page="live"] .hero-img { width: 260px; height: 260px; right: 0; }
}

/* Reflow at 200% without clipping essential labels or message composers. */
.web-app.font-large .page[data-page="community"] .section:has(> .post),
.web-app.font-large .page[data-page="live"] .live-classroom-cards,
.web-app.font-large .page[data-page="profile"] .menu-card,
.web-app.font-large .page .studio-shots,
.web-app.font-large .page .studio-script-library,
.web-app.font-large .page[data-page="news"] .headline-list,
.web-app.font-large .page[data-page="orders"] .orders-list { grid-template-columns: 1fr; }
.web-app.font-large .page[data-page="tool"] .studio-parameters { grid-template-columns: 1fr; }
.web-app.font-large .page[data-page="course"], .web-app.font-large .page[data-page="player"], .web-app.font-large .page[data-page="tasks"] { display: block; }
.web-app.font-large .page[data-page="course"] > .detail-cover { height: auto; min-height: 0; aspect-ratio: 16/9; margin-bottom: 24px; }
.web-app.font-large .page[data-page="course"] > :is(.detail-title,.detail-desc,.detail-stats,.detail-teacher),
.web-app.font-large .page[data-page="player"] > :is(.learning-context,.learning-title,.learning-note,.learning-resource-grid,.tip) { margin-block: 20px !important; }
.web-app.font-large .page[data-page="player"] > .video-stage { height: auto; min-height: 240px; aspect-ratio: 16/9; }
.web-app.font-large .page[data-page="player"] > .learning-tabs { margin-block: 20px; }
.web-app.font-large .page[data-page="tasks"] > .section { margin-top: 28px; }
.web-app.font-large .page[data-page="profile"] .member-top { flex-wrap: wrap; }
.web-app.font-large .page[data-page="profile"] .menu-row { display: grid; grid-template-columns: 24px minmax(0,1fr) 20px; column-gap: 12px; row-gap: 10px; align-items: start; }
.web-app.font-large .page[data-page="profile"] .menu-row > .icon:first-child { grid-column: 1; grid-row: 1; margin-top: 6px; }
.web-app.font-large .page[data-page="profile"] .menu-row > div { grid-column: 2; grid-row: 1; min-width: 0; }
.web-app.font-large .page[data-page="profile"] .menu-row > .icon:last-child { grid-column: 3; grid-row: 1; margin: 8px 0 0; }
.web-app.font-large .page[data-page="profile"] .menu-row > .badge { grid-column: 2; grid-row: 2; justify-self: start; max-width: 100%; margin: 0; overflow-wrap: anywhere; }
.web-app.font-large .page[data-page="tasks"] .section-head { flex-wrap: wrap; gap: 12px; align-items: flex-start; }
.web-app.font-large .page[data-page="tasks"] .section-head .more { margin: 0; }
.web-app.font-large .page .learning-bottom-actions { flex-direction: column; }
.web-app.font-large .studio-chat-suggestions { grid-template-columns: 1fr; max-width: 600px; }
.web-app.font-large .studio-chat-suggestions > button { min-height: 64px; }
.web-app.font-large .page[data-page="live"] .hero-copy { max-width: 100%; }
.web-app.font-large .page[data-page="live"] .hero-img { position: static; max-width: 70%; margin: 24px auto; }

@media (max-width: 680px) {
  .web-app .page:not(:is([data-page="home"],[data-page="courses"],[data-page="tools"])) { padding: 20px 16px 30px; }
  .web-app .page .secondary-header { margin-bottom: 18px; gap: 8px; }
  .web-app .page .secondary-header h1 { font-size: calc(21px * var(--font-scale)); }
  .web-app .page .detail-title { font-size: calc(24px * var(--font-scale)); }
  .web-app .page .sticky-action { bottom: -30px; margin: 22px -16px -30px; padding: 16px; }
  .web-app .page .sticky-action > .btn { max-width: none; }
  .web-app .page .course-grid, .web-app .page .tool-grid { gap: 12px; }
  .web-app .page[data-page="community"] > .community-intro { min-height: 154px; padding: 23px 20px; }
  .web-app .page[data-page="community"] .community-intro h1 { font-size: calc(26px * var(--font-scale)); }
  .web-app .page[data-page="community"] .community-intro p { font-size: calc(13px * var(--font-scale)); max-width: 60%; }
  .web-app .page[data-page="community"] .community-intro img { width: 136px; right: -12px; top: 18px; }
  .web-app .page[data-page="community"] .group-chat-entry { padding: 14px; gap: 10px; flex-wrap: wrap; }
  .web-app .page[data-page="community"] .group-entry-avatars { display: none; }
  .web-app .page[data-page="community"] .group-entry-link { margin-left: 58px; }
  .web-app .page[data-page="community"] .publish-strip { padding: 16px; }
  .web-app .page[data-page="community"] .horizontal-scroll { display: flex; overflow-x: auto; gap: 14px; padding-bottom: 8px; }
  .web-app .page[data-page="community"] .featured-card { flex: 0 0 170px; }
  .web-app .page[data-page="community"] .featured-image { aspect-ratio: 1.2; }
  .web-app .page[data-page="community"] .section:has(> .post) { grid-template-columns: 1fr; gap: 20px; }
  .web-app .page[data-page="profile"] .profile-card { padding: 26px 18px; min-height: 178px; gap: 16px; }
  .web-app .page[data-page="profile"] .profile-avatar, .web-app .page[data-page="profile"] .profile-avatar > img { width: 66px; height: 66px; flex-basis: 66px; }
  .web-app .page[data-page="profile"] .profile-card h1 { font-size: calc(24px * var(--font-scale)); }
  .web-app .page[data-page="profile"] .member-card { padding: 22px 18px; }
  .web-app .page[data-page="profile"] .member-top { flex-wrap: wrap; gap: 12px; }
  .web-app .page[data-page="profile"] .member-card .btn { width: 100%; margin: 4px 0 0; }
  .web-app .page[data-page="profile"] .menu-card { grid-template-columns: 1fr; padding: 4px 16px; }
  .web-app .page[data-page="profile"] .menu-row { min-height: 86px; padding: 18px 0; gap: 12px; }
  .web-app .page[data-page="profile"] .menu-row > .badge { margin-left: auto; }
  .web-app .page .saved-list .menu-row { padding: 14px; }
  .web-app .page .saved-list .menu-row img { width: 74px; height: 62px; }
  .web-app .page .studio-record-card { padding: 16px; gap: 12px; }
  .web-app .page .studio-record-thumb { width: 64px; height: 74px; }
  .web-app .page .studio-records-intro h2 { font-size: calc(23px * var(--font-scale)); }
  .web-app .page .learning-document { padding: 22px 18px; }
  .web-app .page .learning-question { padding: 16px 12px; }
  .web-app .page .learning-option { padding: 12px 10px; gap: 8px; }
  .web-app .page .learning-bottom-actions { flex-direction: column; }
  .web-app .page[data-page="article"] .article-body p { font-size: calc(16px * var(--font-scale)); }
  .web-app .page[data-page="article"] .article-callout { padding: 20px; }
  .web-app .page[data-page="work"] .community-detail-media { padding: 8px; }
  .web-app .page[data-page="work"] .note-card { padding: 18px; }
  .web-app .page[data-page="news"] .headline-list, .web-app .page[data-page="orders"] .orders-list { grid-template-columns: 1fr; }
  .web-app .page[data-page="news"] .news-card { width: 270px; flex-basis: 270px; }
  .web-app .page[data-page="tool"] .studio-intro h2 { font-size: calc(20px * var(--font-scale)); }
  .web-app .page[data-page="tool"] .studio-tool-icon { width: 60px; height: 60px; }
  .web-app .page[data-page="tool"] .studio-card { padding: 18px; }
  .web-app .page[data-page="tool"] .studio-parameters { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
  .web-app .page .studio-script-library, .web-app .page .studio-shots { grid-template-columns: 1fr; }
  .web-app .page .studio-human-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .web-app .phone:is(.group-chat-shell,.studio-chat-shell,.support-chat-shell) .page { padding: 0; }
  .web-app :is(.group-chat-screen,.studio-chat-screen,.support-chat-screen) { border: 0; border-radius: 0; }
  .web-app :is(.group-header,.support-chat-screen > .secondary-header,.studio-chat-screen .studio-header) { padding: 8px; min-height: 64px; }
  .web-app :is(.group-announcement-bar,.support-service-banner,.studio-chat-model) { padding-inline: 16px; }
  .web-app :is(.group-messages,.support-messages,.studio-chat-messages) { padding: 18px 12px 24px; }
  .web-app :is(.group-chat-footer,.support-composer,.studio-chat-footer) { padding: 12px; }
  .web-app :is(.group-message-content,.support-message > div) { max-width: calc(100% - 52px); }
  .web-app .group-message-avatar { width: 36px; height: 36px; }
  .web-app .group-message { gap: 10px; }
  .web-app .group-message-text { padding: 12px 14px; }
  .web-app .group-emoji-grid { grid-template-columns: repeat(6,minmax(0,1fr)); }
  .web-app .studio-chat-welcome h2 { font-size: calc(24px * var(--font-scale)); }
  .web-app .studio-chat-suggestions { grid-template-columns: 1fr; max-width: 340px; }
  .web-app .studio-chat-suggestions > button { min-height: 56px; padding: 12px 16px; }
  .web-app .page[data-page="live"] .live-classroom-cards { grid-template-columns: 1fr; }
  .web-app .page[data-page="live"] .live-hero { padding: 24px 20px 52px; min-height: 320px; }
  .web-app .page[data-page="live"] .hero-copy { max-width: 66%; }
  .web-app .page[data-page="live"] .live-hero h1 { font-size: calc(26px * var(--font-scale)); }
  .web-app .page[data-page="live"] .hero-copy p { font-size: calc(13px * var(--font-scale)); }
  .web-app .page[data-page="live"] .hero-img { width: 170px; height: 200px; right: -15px; bottom: 30px; max-width: 50%; }
  .web-app .page[data-page="live"] .hero-pagination { left: 20px; right: 20px; }
  .web-app .phone.live-room-shell .page[data-page="live-room"] { padding: 0; }
  .web-app .phone.live-room-shell .live-room { width: 100%; height: 100%; aspect-ratio: auto; max-width: 450px; border-radius: 0; max-height: none; }
  .web-app .helper-panel { padding: 16px; }
  .web-app .helper-sheet { max-height: calc(100dvh - 32px); padding: 18px 20px 24px; border-radius: 20px; }
  .web-app.font-large .page[data-page="tool"] .studio-parameters,
  .web-app.font-large .page[data-page="search"] :is(.course-grid,.tool-grid),
  .web-app.font-large .page[data-page="course-list"] .course-grid { grid-template-columns: 1fr; }
  .web-app.font-large .page[data-page="community"] .community-intro p { max-width: 100%; }
  .web-app.font-large .page[data-page="live"] .hero-copy { max-width: 100%; }
  .web-app.font-large .page[data-page="live"] .hero-img { position: static; margin: 20px auto 0; }
  .web-app.font-large .group-emoji-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .web-app.font-large .group-header > div > span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .web-app.font-large .group-announcement-bar > span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .web-app.font-large .group-messages { min-height: 160px; }
  .web-app.font-large .group-chat-footer { flex-shrink: 1; overflow-y: auto; }
  .web-app.font-large .studio-chat-messages { min-height: 180px; }
  .web-app.font-large .studio-chat-footer { flex-shrink: 1; overflow-y: auto; }
}