/* Shared composition for the learner screens. */
:root {
  --paper: #faf9f6;
  --line: rgba(23, 32, 43, 0.12);
  --radius: 12px;
  --shadow: 0 8px 24px rgba(23, 32, 43, 0.045);
  --der-bg: #f2f7fc;
  --die-bg: #fcf3f7;
  --das-bg: #fdf7ed;
}

body,
.today-welcome {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  background: var(--paper);
}

.contact-badge {
  position: fixed;
  right: max(16px, env(safe-area-inset-right, 0px));
  bottom: max(16px, env(safe-area-inset-bottom, 0px));
  z-index: 15;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 11px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 4px 16px rgba(23, 32, 43, 0.08);
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 20px;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.contact-badge svg {
  flex-shrink: 0;
}

.contact-badge:focus-visible {
  outline: 3px solid var(--der-strong);
  outline-offset: 4px;
}

@media (hover: hover) and (pointer: fine) {
  .contact-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 32, 43, 0.12);
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-badge {
    transition: none;
  }
}

.app-header {
  position: static;
  grid-row: 1;
  background: #fff;
  backdrop-filter: none;
}

.header-inner {
  width: min(1180px, calc(100% - 48px));
  min-height: 72px;
  padding-block: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.brand strong {
  font-size: 1.06rem;
  font-weight: 750;
}

.brand small {
  font-size: 0.75rem;
  font-weight: 450;
}

.mode-tab,
.back-link,
.mode-button,
.sound-button,
.nav-button,
.icon-button,
.quiet-action {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 20px;
  white-space: nowrap;
}

.icon-button,
.icon-nav {
  width: 44px;
  padding: 0;
  font-size: 1.5rem;
}

.primary-action,
.welcome-start-button {
  min-height: 48px;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 650;
  box-shadow: none;
}

.trainer-app {
  grid-row: 2;
  height: 100%;
  padding: 20px 24px 24px;
}

.stage {
  width: min(1180px, 100%);
  gap: 16px;
}

.eyebrow {
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.085em;
}

.vocabulary-picker {
  width: 100%;
  margin: 0;
}

.vocabulary-picker select {
  width: 100%;
  max-width: 100%;
  min-height: 42px;
  border-color: var(--line);
  border-radius: 10px;
  padding: 9px 32px 9px 12px;
  font-size: 0.875rem;
}

.training-top .vocabulary-picker,
.quiz-vocabulary {
  max-width: 380px;
}

.training-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px 16px;
}

.training-progress {
  display: grid;
  gap: 8px;
}

.training-top .top-actions {
  padding-top: 21px;
  gap: 8px;
}

.training-top .progress-row {
  margin: 2px 0 0;
  gap: 12px;
}

.counter,
.quiz-status {
  font-size: 0.875rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.training-top .progress-track {
  width: auto;
  flex: 1;
}

.progress-track {
  height: 4px;
}

.training-layout,
.quiz-panel,
.quiz-panel.is-revealed {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.training-layout {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  grid-template-rows: minmax(0, 1fr);
  gap: 32px;
  padding: clamp(20px, 3vw, 40px);
}

.training-layout .image-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
}

.training-layout .image-wrap img {
  position: absolute;
  inset: 0;
}

.training-layout .image-wrap .daily-sound-icon {
  top: 8px;
  right: 8px;
}

.image-wrap img,
.daily-picture img,
.case-picture img {
  filter: none;
}

.noun-copy h1.word-fit {
  font-size: clamp(2.25rem, 6vw, 5rem);
  line-height: 1.04;
}

.noun-translation {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.5;
}

.noun-plural {
  margin-top: 16px;
  font-size: 0.9375rem;
  line-height: 1.4;
}

.plural-note {
  font-size: 0.75rem;
}

.grammar-note,
.answer-reveal .grammar-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: normal;
  text-transform: none;
}

.answer-reveal .grammar-note {
  grid-column: 1 / -1;
  margin: 0;
  text-align: center;
}

.training-controls {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 12px;
  min-height: 44px;
}

.training-controls .center-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  min-width: 0;
  gap: 8px;
}

.training-controls :is(.mode-button, .nav-button, .mute-toggle) {
  min-height: 44px;
  flex-shrink: 0;
}

.training-controls .mute-toggle {
  display: inline-flex;
  align-items: center;
  width: auto;
  justify-content: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 20px;
}

.training-controls .mute-toggle input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--ink);
}

.quiz-top {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  align-items: end;
  gap: 16px 24px;
}

.quiz-vocabulary {
  display: grid;
  gap: 8px;
}

.quiz-vocabulary .eyebrow {
  display: block;
}

.quiz-status {
  margin: 0;
  gap: 16px;
  align-items: center;
  line-height: 20px;
  white-space: nowrap;
}

.quiz-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 8px;
  width: auto;
}

.quiz-panel,
.quiz-panel.is-revealed {
  grid-template-columns: minmax(0, 1fr) 220px;
  grid-template-rows: minmax(0, 1fr);
}

.quiz-question {
  padding: 24px;
}

.quiz-question-header {
  gap: 12px;
}

.quiz-question-header h1.word-fit {
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.05;
}

.testing-mode.quiz-open .quiz-question .image-wrap img {
  filter: grayscale(1) contrast(1.05);
}

.answer-rail {
  padding: 16px;
  gap: 12px;
  background: #fafbfc;
}

.article-choice {
  border-width: 1px;
  border-radius: 10px;
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 750;
}

.answer-reveal {
  padding: 20px;
  background: #fafbfc;
}

.answer-reveal strong {
  font-size: 3.5rem;
}

/* Focused learning and case lessons share the same canvas and card edges. */
.today-welcome .trainer-app,
.today-focus .trainer-app {
  grid-row: 1 / -1;
  height: 100%;
  padding: 24px;
  background: var(--paper);
}

.trainer-app.today-mode {
  background: var(--paper);
}

.today-focus .daily-session-shell,
.today-focus .case-session-shell {
  width: min(1000px, 100%);
  height: 100%;
  min-height: 0;
  gap: 16px;
}

.today-focus .daily-session-shell {
  width: min(760px, 100%);
}

.daily-session-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: 0;
}

.today-focus .daily-session-top {
  padding: 0;
}

.today-focus .daily-session-top .eyebrow {
  display: block;
}

.daily-position {
  justify-content: flex-start;
  gap: 12px;
  margin-top: 6px;
}

.daily-position strong {
  font-size: 0.875rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.today-focus .daily-position .progress-track {
  width: auto;
  max-width: 360px;
  flex: 1;
}

.today-focus .quiet-action {
  border-radius: 10px;
  background: #fff;
  color: var(--muted);
}

.today-learn-mode .daily-learn-card,
.case-practice-card {
  width: 100%;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.today-learn-mode .daily-learn-card {
  grid-template-rows: minmax(0, 1fr) auto;
}

.today-learn-mode .daily-learn-card .daily-picture {
  position: relative;
  min-height: 0;
  padding: 0;
}

.today-learn-mode .daily-learn-card .daily-picture img {
  position: absolute;
  inset: 48px 24px 16px;
  width: calc(100% - 48px);
  height: calc(100% - 64px);
  max-height: none;
  filter: none;
}

.today-learn-mode .daily-learn-copy {
  gap: 20px;
  padding: 16px 24px 24px;
}

.today-learn-mode .daily-learn-copy h1.word-fit {
  color: var(--ink);
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.05;
}

.today-learn-mode .daily-card-actions .primary-action {
  min-width: 160px;
  min-height: 46px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  box-shadow: none;
  font-size: 0.875rem;
}

.daily-sound-icon {
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #fff;
  box-shadow: none;
}

.case-rail {
  gap: 8px;
}

.case-rail span {
  border-color: transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-weight: 500;
}

.case-rail span.is-active {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.case-rail b {
  background: transparent;
}

.case-practice-card {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  grid-template-rows: minmax(0, 1fr);
}

.case-picture {
  position: relative;
  min-height: 0;
  padding: 0;
  border-color: var(--line);
  background: transparent;
}

.case-picture img {
  position: absolute;
  inset: 24px;
  width: calc(100% - 48px);
  height: calc(100% - 48px);
  max-height: none;
}

.case-copy {
  min-height: 0;
  gap: 14px;
  padding: 32px;
  overflow-y: auto;
}

.case-name {
  padding-right: 32px;
  font-size: 0.6875rem;
  font-weight: 650;
}

.case-copy h1 {
  color: var(--ink);
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.case-sentence {
  margin: 0;
  color: var(--ink);
  font-size: 1.0625rem;
  font-weight: 550;
  line-height: 1.45;
}

.case-question {
  margin: -6px 0 0;
  font-size: 0.8125rem;
  font-weight: 450;
}

.case-choice {
  min-height: 44px;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.9375rem;
  font-weight: 550;
}

.case-copy .feedback-line:empty {
  display: none;
}

/* Quiet, compact summaries and a centered welcome composition. */
.today-complete,
.case-complete {
  width: min(600px, 100%);
  min-height: 100%;
  justify-content: center;
  gap: 16px;
  padding: 24px 0;
}

.complete-mark {
  width: 56px;
  height: 56px;
  font-size: 1.625rem;
  box-shadow: none;
}

.today-complete h1,
.case-complete h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.today-complete > p:not(.eyebrow, .local-note) {
  max-width: 460px;
  font-size: 0.9375rem;
}

.complete-summary {
  margin: 8px 0;
  border-radius: var(--radius);
}

.complete-summary div {
  padding: 20px 12px;
}

.complete-summary strong {
  font-size: 1.75rem;
  font-weight: 650;
}

.complete-summary span,
.local-note,
.case-accuracy {
  font-size: 0.75rem;
  font-weight: 450;
}

.complete-actions {
  width: min(100%, 360px);
  gap: 8px;
}

.complete-actions .primary-action {
  min-height: 46px;
  font-size: 0.875rem;
}

.case-pattern-list {
  border-color: var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.case-pattern-list > div {
  min-height: 62px;
  grid-template-columns: 86px minmax(0, 1fr) 38px;
  gap: 12px;
  padding: 10px 14px;
}

.case-pattern-list strong {
  font-size: 1.0625rem;
  font-weight: 550;
}

.case-pattern-list span {
  font-size: 0.75rem;
  font-weight: 450;
}

.welcome-stage {
  width: min(900px, 100%);
  gap: 28px;
  padding: 24px 0;
}

.welcome-copy h1 {
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0;
}

.welcome-copy p {
  max-width: 720px;
  margin-top: 16px;
  color: var(--ink);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.welcome-card-viewport {
  width: 100%;
  height: clamp(210px, 34dvh, 330px);
  flex-shrink: 0;
  min-height: 0;
  margin: 0;
  padding: 12px 0 24px;
}

.welcome-word-card {
  border-color: var(--line);
  box-shadow: 0 8px 20px rgba(23, 32, 43, 0.07);
}

.welcome-start-button {
  min-height: 54px;
  border-radius: 12px;
  background: var(--ink);
  font-size: 1rem;
}

.welcome-secondary-actions {
  gap: 8px;
}

.welcome-next-button {
  min-height: 42px;
  padding: 9px 12px;
  border-radius: 10px;
  background: transparent;
  font-size: 0.8125rem;
  font-weight: 550;
}

.welcome-footer {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 0.6875rem;
}

@media (hover: hover) and (pointer: fine) {
  .primary-action:hover,
  .welcome-start-button:hover,
  .article-choice:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: none;
  }
}

@media (max-width: 1100px) {
  .quiz-top {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px 16px;
  }

  .quiz-status {
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
  }

  .quiz-actions {
    grid-column: 1 / -1;
  }
}

@media (max-width: 920px) {
  .back-link {
    display: none;
  }

  .training-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 16px;
    padding: 24px;
  }

  .noun-copy {
    text-align: center;
  }

  .quiz-panel,
  .quiz-panel.is-revealed {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) 96px;
  }

  .quiz-panel.is-revealed:has(.grammar-note) {
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .answer-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: minmax(0, 1fr);
    padding: 10px;
    gap: 10px;
  }

  .answer-reveal {
    grid-template-columns: auto auto;
    gap: 16px;
    padding: 16px;
  }

  .answer-reveal strong {
    font-size: 2.75rem;
  }
}

@media (max-width: 760px) {
  .header-inner {
    width: calc(100% - 32px);
    min-height: 64px;
    padding-block: 10px;
  }

  .header-actions {
    gap: 6px;
  }

  .header-actions .mode-tab {
    min-height: 38px;
    padding: 8px 12px;
    font-size: 0.8125rem;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .trainer-app {
    padding: 16px;
  }

  .stage {
    gap: 12px;
  }

  .training-top .top-actions {
    gap: 8px;
  }

  .training-top :is(.mode-button, .icon-button) {
    min-height: 42px;
  }

  .training-controls {
    gap: 8px;
  }

  .training-controls .mode-button {
    padding: 10px;
    font-size: 0.8125rem;
  }

  .training-controls .nav-button {
    min-height: 44px;
  }

  .quiz-actions :is(.sound-button, .mode-button, .nav-button) {
    min-height: 40px;
    padding: 9px 12px;
    font-size: 0.8125rem;
  }

  .quiz-question {
    padding: 20px;
  }

  .today-welcome .trainer-app,
  .today-focus .trainer-app {
    padding: 16px;
  }

  .today-focus .daily-session-shell,
  .today-focus .case-session-shell {
    height: 100%;
    min-height: 0;
    gap: 12px;
  }

  .today-learn-mode .daily-learn-card {
    min-height: 0;
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .case-practice-card {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(120px, 1fr) minmax(0, auto);
  }

  .case-copy {
    padding: 20px;
    gap: 12px;
  }

  .case-picture {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .case-picture img {
    inset: 16px;
    width: calc(100% - 32px);
    height: calc(100% - 32px);
    max-height: none;
  }

  .case-rail span {
    padding: 7px 4px;
  }

  .case-rail span::after {
    font-size: 0.75rem;
  }

  .case-pattern-list > div {
    grid-template-columns: 76px minmax(0, 1fr) 38px;
    gap: 8px;
    padding: 10px 12px;
  }

  .welcome-stage {
    gap: 24px;
    padding: 16px 0;
  }

  .welcome-word-card {
    box-shadow: 0 6px 16px rgba(23, 32, 43, 0.06);
  }
}

@media (max-width: 380px) {
  .trainer-app,
  .today-focus .trainer-app,
  .today-welcome .trainer-app {
    padding: 12px;
  }

  .training-controls .center-actions {
    gap: 4px;
  }

  .training-controls .mode-button {
    padding: 8px;
    font-size: 0.75rem;
  }

  .training-controls .mute-toggle {
    gap: 5px;
    padding-inline: 4px;
    font-size: 0.6875rem;
  }

  .quiz-actions {
    gap: 6px;
  }

  .quiz-actions :is(.sound-button, .mode-button, .nav-button) {
    padding-inline: 8px;
    font-size: 0.75rem;
  }

  .welcome-secondary-actions {
    gap: 6px;
  }

  .welcome-next-button {
    padding-inline: 9px;
    font-size: 0.75rem;
  }
}

@media (max-height: 650px) {
  .today-complete,
  .case-complete,
  .welcome-stage {
    justify-content: flex-start;
  }

  .case-practice-card {
    min-height: 440px;
  }
}

/* Web identity: quiet graphite surfaces, with every brand accent in three parts. */
html:not(.mobile-app) {
  --paper: #fcfcfc;
  --ink: #222;
  --muted: #6c6c6c;
  --line: #e7e7e7;
  --blue: #2389e8;
  --pink: #ed4f9b;
  --orange: #f39824;
  --radius: 18px;
}
html:not(.mobile-app) body { padding-bottom: 0; }
html:not(.mobile-app) .app-header { border: 0; background: #fcfcfc; }
html:not(.mobile-app) .header-inner { min-height: 88px; gap: 24px; }
html:not(.mobile-app) .brand { gap: 12px; color: var(--ink); }
html:not(.mobile-app) .brand-logo { flex-shrink: 0; }
html:not(.mobile-app) .brand strong { letter-spacing: -.035em; font-size: 1.1rem; }
html:not(.mobile-app) .brand small { margin-top: 3px; color: var(--muted); }
html:not(.mobile-app) .header-actions { gap: 3px; }
html:not(.mobile-app) .mode-tab,
html:not(.mobile-app) .back-link { display: inline-flex; border: 0; background: transparent; color: var(--muted); font-weight: 550; text-decoration: none; }
html:not(.mobile-app) .mode-tab.is-active { position: relative; color: var(--ink); background: #f0f0f0; }
html:not(.mobile-app) .mode-tab.is-active::after { content: ''; position: absolute; width: 24px; height: 3px; bottom: 3px; border-radius: 3px; background: linear-gradient(to right, var(--blue) 0 33.333%, var(--pink) 33.333% 66.666%, var(--orange) 66.666%); }
html:not(.mobile-app) .back-link:first-of-type { margin-left: 10px; }
html:not(.mobile-app) :focus-visible { outline: 2px solid #333; outline-offset: 4px; }
html:not(.mobile-app) .today-welcome .app-header { display: block; }
html:not(.mobile-app) .trainer-app,
html:not(.mobile-app) .today-welcome .trainer-app { grid-row: 2; height: 100%; min-height: 0; padding: 18px 24px 28px; background: var(--paper); }
html:not(.mobile-app) .trainer-app { overflow-y: auto; }
html:not(.mobile-app) .today-focus .app-header { display: none; }
html:not(.mobile-app) .today-focus .trainer-app { grid-row: 1 / -1; }
html:not(.mobile-app) .welcome-stage { gap: 22px; padding: 12px 0; min-height: 100%; justify-content: center; }
html:not(.mobile-app) .welcome-copy .eyebrow { margin: 0 0 16px; color: var(--muted); font-size: .66rem; font-weight: 550; letter-spacing: .14em; line-height: 1.5; text-transform: uppercase; }
html:not(.mobile-app) .welcome-copy h1 { color: var(--ink); font-size: clamp(2.7rem, 5.2vw, 4.8rem); font-weight: 650; line-height: 1.02; letter-spacing: -.065em; }
html:not(.mobile-app) .welcome-copy > p:not(.eyebrow) { margin: 16px auto 0; font-size: 1rem; line-height: 1.5; font-weight: 400; color: var(--muted); letter-spacing: 0; }
html:not(.mobile-app) .welcome-card-viewport { flex-shrink: 0; height: auto; padding: 0; }
html:not(.mobile-app) .welcome-card-row { padding: 14px 0 64px; }
html:not(.mobile-app) .welcome-card-picture { background: #fff; }
html:not(.mobile-app) .welcome-word-card { border-color: #e7e7e7; border-radius: 18px; box-shadow: 0 9px 24px #00000008; background: #fff; }
html:not(.mobile-app) .welcome-actions { gap: 14px; }
html:not(.mobile-app) .primary-action,
html:not(.mobile-app) .welcome-start-button { background: var(--ink); color: #fff; border: 1px solid var(--ink); border-radius: 12px; min-height: 50px; gap: 28px; font-size: .9rem; font-weight: 600; text-decoration: none; }
html:not(.mobile-app) .welcome-start-button { min-width: 228px; }
html:not(.mobile-app) .welcome-next-button { color: var(--muted); font-weight: 500; }
html:not(.mobile-app) .welcome-footer { margin-top: 4px; color: #777; max-width: 800px; }
html:not(.mobile-app) .welcome-footer p { font-size: .7rem; line-height: 1.7; }
html:not(.mobile-app) .welcome-footer a { color: inherit; }
html:not(.mobile-app) .welcome-method { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px; margin-bottom: 16px; font-size: .78rem; font-weight: 550; }
html:not(.mobile-app) .welcome-method > span { display: flex; align-items: center; gap: 6px; }
html:not(.mobile-app) .welcome-method > span::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }
html:not(.mobile-app) .welcome-method > span:nth-child(2)::before { background: var(--pink); }
html:not(.mobile-app) .welcome-method > span:nth-child(3)::before { background: var(--orange); }
html:not(.mobile-app) .welcome-method > a { margin-left: 10px; text-decoration: none; border-bottom: 1px solid #ccc; }
html:not(.mobile-app) .contact-badge { display: none; }
html:not(.mobile-app) .training-layout,
html:not(.mobile-app) .quiz-panel { box-shadow: 0 6px 24px #00000003; }
html:not(.mobile-app) .quiz-question { padding: clamp(20px, 3vw, 36px); }
html:not(.mobile-app) .answer-rail,
html:not(.mobile-app) .answer-reveal { background: #fbfbfb; }
html:not(.mobile-app) .progress-track > span { background: #343434; }
html:not(.mobile-app) .lesson-mode,
html:not(.mobile-app) .collection-mode { display: block; }
.lesson-intro { max-width: 850px; min-height: 100%; margin: 0 auto; padding: 32px 12px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; text-align: center; }
.lesson-intro .eyebrow { margin: 0; }
.lesson-intro h1 { margin: 0; max-width: 100%; overflow-wrap: anywhere; font-size: clamp(2rem, 5vw, 3.75rem); line-height: 1.1; letter-spacing: -.05em; font-weight: 650; }
.lesson-intro p { margin: 0; max-width: 520px; color: var(--muted); line-height: 1.6; }
.lesson-preview { display: flex; justify-content: center; margin: 14px 0; max-width: 100%; }
.lesson-preview article { width: clamp(60px, 15vw, 140px); aspect-ratio: 4/5; padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 8px 16px #00000005; transform: rotate(-5deg); }
.lesson-preview article:nth-child(even) { transform: rotate(5deg) translateY(6px); }
.lesson-preview img { width: 100%; height: 100%; object-fit: contain; }
.lesson-articles { display: flex; gap: 20px; font-size: .85rem; color: var(--muted); }
.lesson-article.article-der strong { color: var(--der-strong); }
.lesson-article.article-die strong { color: var(--die-strong); }
.lesson-article.article-das strong { color: var(--das-strong); }
.lesson-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.lesson-intro .lesson-note { max-width: 420px; font-size: .8rem; }
.lesson-intro .quiet-action { border: 0; background: transparent; text-decoration: none; font-size: .8rem; }
.lesson-scope { display: grid; gap: 5px; min-width: 0; max-width: 380px; }
.lesson-scope a { color: var(--ink); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lesson-scope span { font-size: .75rem; color: var(--muted); }
.collection-shell { width: min(1100px, 100%); margin: 20px auto 40px; }
.collection-heading { display: flex; gap: 20px; align-items: center; justify-content: space-between; }
.collection-heading h1 { margin: 10px 0; font-size: clamp(2rem, 4vw, 3rem); font-weight: 600; letter-spacing: -.05em; }
.collection-heading p { color: var(--muted); font-size: .9rem; line-height: 1.6; }
.collection-total { display: grid; gap: 4px; flex-shrink: 0; text-align: right; color: var(--muted); font-size: .8rem; }
.collection-total strong { font-size: 2.5rem; color: var(--ink); font-weight: 500; letter-spacing: -.06em; }
.collection-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0; }
.collection-filters button { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--muted); font-size: .8rem; }
.collection-filters button[aria-pressed=true] { background: var(--ink); color: #fff; border-color: var(--ink); }
.collection-filters span { opacity: .6; }
.collected-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(175px, 1fr)); gap: 16px; }
.collected-card { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: #fff; color: var(--ink); }
.collected-card img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.collected-card strong { font-size: .9rem; font-weight: 600; }
.collected-card.article-der strong span { color: var(--der-strong); }
.collected-card.article-die strong span { color: var(--die-strong); }
.collected-card.article-das strong span { color: var(--das-strong); }
.collected-card small { color: var(--muted); font-size: .75rem; }
.collected-card .collected-review { padding: 5px 8px; margin-top: 5px; border-radius: 6px; color: var(--muted); background: #f4f4f4; font-size: .65rem; }
.collection-empty { display: flex; flex-direction: column; align-items: center; padding: 50px 20px; text-align: center; }
.collection-empty h2 { margin: 30px 0 10px; font-size: 1.4rem; font-weight: 600; letter-spacing: -.035em; }
.collection-empty p { max-width: 410px; margin: 0 0 24px; color: var(--muted); line-height: 1.7; font-size: .9rem; }
.empty-cards { display: flex; width: 100px; height: 90px; align-items: center; justify-content: center; }
.empty-cards span { width: 48px; height: 64px; border: 1px solid var(--line); border-top: 3px solid var(--blue); border-radius: 7px; background: white; transform: rotate(-12deg); }
.empty-cards span + span { margin-left: -25px; border-top-color: var(--pink); transform: translateY(-9px); }
.empty-cards span:last-child { border-top-color: var(--orange); transform: rotate(12deg); }
@media (hover: hover) and (pointer: fine) {
  html:not(.mobile-app) .mode-tab:hover,
  html:not(.mobile-app) .back-link:hover { color: var(--ink); background: #f2f2f2; }
  html:not(.mobile-app) .primary-action:hover,
  html:not(.mobile-app) .welcome-start-button:hover { background: #414141; transform: translateY(-1px); }
  .collected-card:hover { border-color: #bbb; transform: translateY(-2px); }
}
@media (max-width: 1050px) {
  html:not(.mobile-app) .header-inner { width: calc(100% - 32px); gap: 12px; }
  html:not(.mobile-app) .brand small { display: none; }
  html:not(.mobile-app) .mode-tab,
  html:not(.mobile-app) .back-link { padding: 10px 11px; font-size: .8rem; }
  html:not(.mobile-app) .back-link:first-of-type { margin-left: 2px; }
}
@media (max-width: 760px) {
  html:not(.mobile-app) .header-inner { flex-wrap: wrap; justify-content: center; min-height: 100px; padding: 14px 0 8px; gap: 7px; }
  html:not(.mobile-app) .brand { justify-content: center; width: 100%; }
  html:not(.mobile-app) .brand-logo { width: 28px; height: 28px; }
  html:not(.mobile-app) .brand > span { display: block; }
  html:not(.mobile-app) .header-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1px; }
  html:not(.mobile-app) .mode-tab,
  html:not(.mobile-app) .back-link { padding: 9px 8px; font-size: .74rem; min-height: 40px; }
  html:not(.mobile-app) .trainer-app,
  html:not(.mobile-app) .today-welcome .trainer-app { padding: 14px 16px 24px; }
  html:not(.mobile-app) .welcome-stage { justify-content: flex-start; padding-top: 24px; gap: 20px; }
  html:not(.mobile-app) .welcome-copy .eyebrow { font-size: .58rem; margin-bottom: 12px; }
  html:not(.mobile-app) .welcome-copy h1 { color: var(--ink); font-size: 2.9rem; }
  html:not(.mobile-app) .welcome-card-viewport { height: auto; }
  html:not(.mobile-app) .welcome-card-row { padding: 10px 0 46px; }
  html:not(.mobile-app) .welcome-method { gap: 8px; font-size: .7rem; }
  html:not(.mobile-app) .welcome-method > a { margin: 4px 0 0; }
  html:not(.mobile-app) .quiz-top { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  html:not(.mobile-app) .quiz-vocabulary { max-width: none; }
  html:not(.mobile-app) .quiz-status { justify-content: space-between; }
  html:not(.mobile-app) .quiz-actions { justify-content: flex-start; flex-wrap: wrap; }
  html:not(.mobile-app) .quiz-shell { min-height: 650px; }
  html:not(.mobile-app) .quiz-panel,
  html:not(.mobile-app) .quiz-panel.is-revealed { min-height: 430px; }
  .collection-heading { align-items: flex-start; }
  .collection-heading p { max-width: 250px; }
  .collection-total { padding-top: 20px; font-size: .65rem; }
  .collection-filters { gap: 6px; }
  .collection-filters button { padding: 10px 12px; gap: 8px; font-size: .75rem; }
  .collected-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .collected-card { padding: 12px; }
  .lesson-intro { padding: 24px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html:not(.mobile-app) *, html:not(.mobile-app) *::before, html:not(.mobile-app) *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}
html:not(.mobile-app) .web-extras { display: inline-flex; align-items: center; gap: 3px; }
@media (max-width: 760px) {
  html:not(.mobile-app) .web-extras { justify-content: center; }
  html:not(.mobile-app) .web-extras .back-link { font-size: .7rem; padding-block: 2px; min-height: 30px; }
}