/* Full-page mode picker: the existing Quiz/Exam workflow, installed Android only. */
html.android-webview .native-mode-screen {
  --mode-canvas: var(--app-palette-background);
  --mode-paper: var(--app-palette-paper);
  --mode-ink: var(--app-palette-text);
  --mode-muted: var(--app-palette-muted);
  --mode-blue: var(--app-palette-primary);
  --mode-focus: var(--app-palette-primary-strong);
  --mode-line: var(--app-palette-divider);
  --mode-clover: url("/icons/native-chapter-clover.svg");
  align-items: stretch;
  background: var(--mode-canvas);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: var(--mode-ink);
  transition: opacity 180ms ease;
  font-family: var(--native-body);
}
html.android-webview .native-mode-screen.hidden { display: none; }
/* Route presentation wins over legacy utility display declarations. */
html.android-webview body.native-mode-open :is(#home, #chapters, #learningInsightsScreen, #magicDictionaryScreen, #appHeader, #chapterMenu, #profileBtn, #profilePanel, #adminEntryBtn, #whatsappBtn, .native-dock) { display: none !important; }
html.android-webview .native-mode-screen .qms-sheet {
  width: 100%; max-width: none; height: 100%; max-height: none;
  min-height: 0; border-radius: 0; border: 0;
  background: var(--mode-canvas); box-shadow: none;
  transform: translateX(14px); transition: transform 240ms cubic-bezier(.22,.7,.25,1);
  padding-top: env(safe-area-inset-top, 0px);
}
html.android-webview .native-mode-screen.qms-visible .qms-sheet { transform: none; }
/* Native trial eligibility is already stated in the panel subtitle, without color-only instructions. */
html.android-webview .native-mode-screen :is(.qms-drag-handle, #qmsCardStudy, .qms-card-badge, .qms-new-tag, .qms-free-guide) { display: none; }
html.android-webview .native-mode-screen .qms-header {
  width: min(100%, 540px); margin: 0 auto; min-height: 60px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px; gap: 8px;
  padding: 8px 16px; box-sizing: border-box;
}
html.android-webview .native-mode-screen .qms-title {
  position: static; justify-self: center; margin: 0; overflow: visible;
  transform: none;
  white-space: normal; text-wrap: balance; text-align: center;
  color: var(--mode-ink); font: 400 22px/1.15 var(--native-display);
  padding-inline-start: 0; letter-spacing: .01em;
}
html.android-webview .native-mode-screen .qms-title::before { content: none; }
html.android-webview .native-mode-screen .qms-back {
  background: none; border: 0; border-radius: 12px; width: 44px; height: 44px;
}
html.android-webview .native-mode-screen .qms-back:hover { background: var(--mode-line); }
html.android-webview .native-mode-screen .native-mode-tabs {
  display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 4px;
  width: min(calc(100% - 32px), 508px); margin: 4px auto 0;
  padding: 4px; box-sizing: border-box; border: 1px solid var(--mode-line);
  border-radius: 16px; background: var(--mode-paper); flex-shrink: 0;
}
html.android-webview .native-mode-screen .native-mode-tabs button {
  border: 0; border-radius: 11px; min-height: 44px; padding: 8px 4px;
  background: transparent; color: var(--mode-muted); box-shadow: none;
  font: 400 18px/1.2 var(--native-display); cursor: pointer;
  transition: background-color 160ms, color 160ms;
}
html.android-webview .native-mode-screen .native-mode-tabs button[aria-selected="true"] { background: var(--mode-ink); color: var(--mode-paper); }
html.android-webview .native-mode-screen .native-mode-tabs button:hover:not([aria-selected="true"]) { color: var(--mode-ink); background: var(--mode-canvas); }
html.android-webview .native-mode-screen .qms-body {
  width: 100%; max-width: 540px; margin: 0 auto; box-sizing: border-box;
  flex: 1; min-height: 0; gap: 0;
  padding: 24px 22px max(18px, env(safe-area-inset-bottom, 0px));
  scroll-padding: 18px; scrollbar-gutter: stable;
  scrollbar-color: var(--app-palette-border) var(--mode-canvas); scrollbar-width: thin;
}
html.android-webview .native-mode-screen .qms-card {
  /* Cancel the canonical sheet's !important active-card frame, not its state. */
  display: flex; flex-direction: column; flex: 1 0 auto; gap: 20px;
  padding: 0; min-height: 100%; box-sizing: border-box; border: 0 !important;
  border-radius: 0; background: transparent; box-shadow: none !important;
  opacity: 1; transform: none; filter: none; transition: none;
}
html.android-webview .native-mode-screen .qms-card[hidden] { display: none; }
html.android-webview .native-mode-screen .qms-card::before,
html.android-webview .native-mode-screen .qms-card::after { content: none; }
html.android-webview .native-mode-screen .qms-card-header { display: block; margin: 0; }
html.android-webview .native-mode-screen .qms-card-title {
  color: var(--mode-ink); font: 400 28px/1.15 var(--native-display);
  letter-spacing: 0; overflow-wrap: normal; word-break: normal;
}
html.android-webview .native-mode-screen .qms-card-sub {
  margin-top: 7px; color: var(--mode-muted); font: 400 14px/1.5 var(--native-body);
}
html.android-webview .native-mode-screen .native-mode-metric {
  flex: 1; min-height: 170px; display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap; align-content: center; padding: 16px 0;
}
html.android-webview .native-mode-screen .native-mode-metric strong {
  display: grid; place-items: center; width: 114px; height: 130px;
  border-radius: 57px 57px 18px 18px; background: var(--mode-paper);
  color: var(--mode-blue); font: 400 62px/1 var(--native-display);
}
html.android-webview .native-mode-screen .native-mode-metric > span {
  color: var(--mode-muted); max-width: 105px; font-size: 15px; line-height: 1.5;
}
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) {
  display: grid; grid-template-columns: repeat(5,minmax(44px,1fr)); gap: 8px;
  width: 100%; max-width: 360px; margin: 0 auto;
}
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill {
  position: relative; isolation: isolate; display: grid; place-items: center;
  width: 100%; min-width: 44px; height: 52px; margin: 0; padding: 0;
  border: 0; border-radius: 0; background: transparent; box-shadow: none;
  color: var(--mode-ink); font: 400 24px/1 var(--native-display);
  font-variant-numeric: tabular-nums; letter-spacing: 0; cursor: pointer;
  opacity: 1; filter: none; transform: none;
  transition: color 160ms, transform 160ms;
}
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill::before,
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill::after {
  content: ""; position: absolute; inset: 0; z-index: -1; display: block;
  pointer-events: none; transform: none; transition: opacity 160ms, background-color 160ms;
}
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill::before {
  border-radius: 50% 50% 14% 14%; background: var(--mode-paper); border: 1px solid var(--mode-line);
}
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill::after {
  background: var(--mode-blue); mask: var(--mode-clover) center/100% 100% no-repeat;
  -webkit-mask: var(--mode-clover) center/100% 100% no-repeat; opacity: 0;
}
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill.is-selected { background: none; color: var(--mode-paper); }
/* The blue core remains readable even if the decorative shape cannot load. */
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill.is-selected::before { inset: 14%; border: 0; border-radius: 25%; background: var(--mode-blue); }
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill.is-selected::after { opacity: 1; }
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill:hover::before { border-color: var(--mode-blue); }
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill:active { transform: scale(.94); }
html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill.guest-qms-locked { color: var(--mode-muted); }
html.android-webview .native-mode-screen :is(.qms-hint, .native-selection-status) {
  margin: 0; min-height: 24px; color: var(--mode-muted); font: 400 13px/1.5 var(--native-body);
  text-align: center; letter-spacing: 0;
}
html.android-webview .native-mode-screen .qms-hint.is-ok { color: var(--mode-focus); }
html.android-webview .native-mode-screen .qms-start {
  min-height: 54px; flex-shrink: 0; margin-top: auto; border: 0;
  padding: 14px 18px; border-radius: 16px;
  background: var(--mode-blue); color: var(--mode-paper);
  box-shadow: none; filter: none; transform: none; cursor: pointer;
  transition: background-color 160ms, transform 160ms;
}
html.android-webview .native-mode-screen .qms-start::before,
html.android-webview .native-mode-screen .qms-start::after { content: none; }
html.android-webview .native-mode-screen .qms-start-label { font: 400 20px/1.2 var(--native-display); letter-spacing: .01em; }
html.android-webview .native-mode-screen .qms-start-arrow { width: 22px; height: 22px; background: none; border: 0; padding: 0; }
html.android-webview .native-mode-screen .qms-start-arrow svg { width: 22px; height: 22px; }
html.android-webview .native-mode-screen .qms-start:disabled { background: var(--mode-line); color: var(--mode-muted); opacity: 1; cursor: default; }
html.android-webview .native-mode-screen .qms-start:not(:disabled):hover { background: var(--mode-focus); }
html.android-webview .native-mode-screen .qms-start:not(:disabled):active { transform: scale(.985); }
html.android-webview .native-mode-screen button:focus-visible { outline: 3px solid var(--mode-focus); outline-offset: 3px; }
html.android-webview .native-mode-screen[data-launching] .qms-start:disabled { background: var(--mode-blue); color: var(--mode-paper); }
html.android-webview .native-mode-screen[data-launching] .qms-start-arrow { background: var(--magic-loading-asset) center/contain no-repeat; }
html.android-webview .native-mode-screen[data-launching] .qms-start-arrow svg { visibility: hidden; }
@media (max-width: 350px), (max-height: 660px) {
  html.android-webview .native-mode-screen .qms-body { padding: 18px 16px max(14px, env(safe-area-inset-bottom, 0px)); }
  html.android-webview .native-mode-screen .qms-card { gap: 14px; }
  html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) { gap: 6px; }
  html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill { height: 46px; font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  /* Accessibility override includes inherited legacy micro-interactions. */
  html.android-webview .native-mode-screen,
  html.android-webview .native-mode-screen *,
  html.android-webview .native-mode-screen *::before,
  html.android-webview .native-mode-screen *::after { transition: none !important; animation: none !important; transform: none !important; }
  html.android-webview .native-mode-screen[data-launching] .qms-start-arrow { background-image: none; border: 2px solid currentColor; border-radius: 50%; }
}
/* The existing user pause has the same priority as the system preference. */
html.android-webview[data-native-motion-paused] .native-mode-screen,
html.android-webview[data-native-motion-paused] .native-mode-screen *,
html.android-webview[data-native-motion-paused] .native-mode-screen *::before,
html.android-webview[data-native-motion-paused] .native-mode-screen *::after { transition: none !important; animation: none !important; transform: none !important; }
html.android-webview[data-native-motion-paused] .native-mode-screen[data-launching] .qms-start-arrow { background-image: none; border: 2px solid currentColor; border-radius: 50%; }
/* Quiz-only thumb zone. The content scrolls above this normal-flow footer;
   the original Start buttons remain the single action/eligibility owners. */
html.android-webview #quizModeOverlay .qms-body {
  padding: 24px 22px 16px; scrollbar-gutter: stable both-edges;
}
html.android-webview #quizModeOverlay .qms-card { min-height: 0; flex: 0 0 auto; }
html.android-webview #quizModeOverlay .native-mode-footer {
  display: grid; gap: 10px; flex: 0 0 auto; box-sizing: border-box;
  width: 100%; max-width: 540px; margin: 0 auto;
  padding: 12px 22px max(16px, env(safe-area-inset-bottom, 0px));
  background: var(--mode-canvas);
}
html.android-webview #quizModeOverlay .native-mode-footer .native-mode-tabs { width: 100%; margin: 0; }
html.android-webview #quizModeOverlay .native-mode-footer .qms-start { width: 100%; margin: 0; }
html.android-webview #quizModeOverlay :is(.qms-start, .native-mode-permission)[hidden] { display: none; }
html.android-webview #quizModeOverlay .native-mode-metric {
  flex: 0 0 auto; flex-direction: column; min-height: 0; gap: 10px; padding: 12px 0 20px;
}
html.android-webview #quizModeOverlay .native-mode-metric > span { max-width: none; }
html.android-webview #quizModeOverlay .native-mode-metric [lang="bn"] { font-family: var(--font-bn-support); }
html.android-webview #quizModeOverlay .native-mode-digits {
  display: inline-flex; align-items: center; justify-content: center;
  padding-top: 4px; font: inherit; font-variant-numeric: tabular-nums;
}
html.android-webview #quizModeOverlay .native-mode-digits > span {
  display: block; font: inherit; animation: native-mode-digit-drift 5.6s cubic-bezier(.45,0,.25,1) infinite;
}
html.android-webview #quizModeOverlay .native-mode-digits > span:last-child { animation-direction: reverse; animation-delay: -.22s; }
html.android-webview #quizModeOverlay .native-mode-copy-window {
  display: grid; overflow: hidden; min-height: 96px;
}
html.android-webview #quizModeOverlay .native-mode-copy-window > div {
  grid-area: 1 / 1; align-self: stretch; padding-block: 4px;
  animation: native-mode-copy-it 9.2s cubic-bezier(.22,.7,.25,1) infinite;
}
html.android-webview #quizModeOverlay .native-mode-copy-window > [lang="bn"] { animation-name: native-mode-copy-bn; }
html.android-webview #quizModeOverlay .native-mode-description {
  margin: 8px 0 0; color: var(--mode-muted); font: 400 14px/1.55 var(--native-body);
  overflow-wrap: normal; word-break: normal;
}
html.android-webview #quizModeOverlay .native-mode-copy [lang="bn"] .qms-card-title {
  font: 400 25px/1.45 var(--font-bn-title); text-transform: none; letter-spacing: 0;
}
html.android-webview #quizModeOverlay .native-mode-copy [lang="bn"] .native-mode-description {
  font: 400 15px/1.6 var(--font-bn-support);
}
html.android-webview #quizModeOverlay .native-mode-permission { margin-top: 10px; }
@keyframes native-mode-copy-it {
  0%, 30%, 100% { transform: translateY(0); opacity: 1; }
  36%, 72% { transform: translateY(-100%); opacity: 0; }
  72.01% { transform: translateY(100%); opacity: 0; }
  78% { transform: translateY(0); opacity: 1; }
}
@keyframes native-mode-copy-bn {
  0%, 30% { transform: translateY(100%); opacity: 0; }
  36%, 72% { transform: translateY(0); opacity: 1; }
  78%, 100% { transform: translateY(-100%); opacity: 0; }
}
@keyframes native-mode-digit-drift {
  0%, 32%, 78%, 100% { transform: translateY(0); }
  45% { transform: translateY(-3px); }
  61% { transform: translateY(3px); }
}
html.android-webview[data-native-background] #quizModeOverlay :is(.native-mode-copy-window > div, .native-mode-digits > span),
html.android-webview[data-app-transition] #quizModeOverlay :is(.native-mode-copy-window > div, .native-mode-digits > span),
html.android-webview #quizModeOverlay[data-launching] :is(.native-mode-copy-window > div, .native-mode-digits > span) { animation-play-state: paused; }
/* Hover pauses the copy; system/Profile pause offers a static bilingual view. */
@media (hover: hover) {
  html.android-webview #quizModeOverlay .native-mode-copy:hover .native-mode-copy-window > div { animation-play-state: paused; }
}
html.android-webview[data-native-motion-paused] #quizModeOverlay .native-mode-copy-window { display: none; }
html.android-webview[data-native-motion-paused] #quizModeOverlay .native-mode-copy-accessible {
  position: static; width: auto; height: auto; margin: 0; clip: auto; clip-path: none;
  overflow: visible; white-space: normal; display: grid; gap: 12px;
}
@media (prefers-reduced-motion: reduce) {
  html.android-webview #quizModeOverlay .native-mode-copy-window { display: none; }
  html.android-webview #quizModeOverlay .native-mode-copy-accessible {
    position: static; width: auto; height: auto; margin: 0; clip: auto; clip-path: none;
    overflow: visible; white-space: normal; display: grid; gap: 12px;
  }
}
@media (max-width: 350px), (max-height: 660px) {
  html.android-webview #quizModeOverlay .qms-body { padding: 14px 16px 12px; }
  html.android-webview #quizModeOverlay .native-mode-footer { padding: 8px 16px max(12px, env(safe-area-inset-bottom, 0px)); gap: 8px; }
}
@media (forced-colors: active) {
  html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill { border: 1px solid ButtonText; border-radius: 8px; }
  html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill.is-selected { background: Highlight; color: HighlightText; }
  html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill::before,
  html.android-webview .native-mode-screen :is(#qmsCapPills, #qmsMultiPills) .qms-pill::after { content: none; }
  html.android-webview .native-mode-screen .native-mode-tabs button[aria-selected="true"] { border: 2px solid Highlight; }
}