/* Shared layout: stable navigation, one course context, restrained surfaces. */
html { scrollbar-gutter: stable; }
body { overflow-x: visible; }
*, *::before, *::after { box-sizing: border-box; }
.container { width: 100%; max-width: 1160px; }
.app-main { padding-top: 28px; padding-bottom: 48px; }
.view-section.active { animation: none; }
.view-header { gap: 20px; align-items: flex-start; flex-wrap: wrap; margin-bottom: 24px; }
.view-header > *, .theme-card-info, .grammar-title-group { min-width: 0; }
.view-title { font-size: clamp(1.3rem, 3vw, 1.8rem); line-height: 1.3; }
.view-subtitle { max-width: 650px; line-height: 1.6; }
.nav-bar { position: sticky; top: 68px; bottom: auto; border-bottom: 1px solid var(--border-subtle); }
.nav-inner { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; padding: 8px 16px; }
.nav-tab { min-width: 0; padding: 10px 4px; gap: 7px; border-radius: 8px; }
.nav-tab .tab-text { font-size: .78rem; font-weight: 600; }
.nav-icon { width: 19px; height: 19px; flex-shrink: 0; }
.nav-tab.active { color: var(--brand-blue); background: var(--color-en-bg); box-shadow: none; }
.brand-logo-badge { box-shadow: none; font-weight: 800; }
.brand-title { background: none; -webkit-text-fill-color: var(--text-main); }
.learning-context { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding: 16px 0 22px; margin-bottom: 24px; border-bottom: 1px solid var(--border-subtle); }
.course-context-heading { display: flex; align-items: center; gap: 12px; font-size: .9rem; }
.course-context-heading > span { color: var(--text-muted); font-size: .75rem; letter-spacing: .12em; }
.course-selector { display: flex; flex-wrap: wrap; gap: 6px; }
.btn-filter-pill { border-radius: 8px; padding: 9px 13px; }
.theme-search-box { width: min(100%, 320px); }
.themes-grid, .reading-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.theme-card, .reading-card { padding: 20px; background: var(--bg-surface); border: 1px solid var(--border-subtle); box-shadow: none; border-radius: 14px; min-width: 0; }
.theme-card { cursor: default; }
.theme-card:hover, .reading-card:hover { transform: none; box-shadow: none; }
.theme-card-icon { background: var(--color-en-bg); color: var(--brand-blue); font: 600 .85rem var(--font-mono); width: 36px; height: 36px; border-radius: 9px; box-shadow: none; flex-shrink: 0; }
.theme-card:hover .theme-card-icon { transform: none; }
.theme-card-top { min-height: 110px; align-items: flex-start; }
.theme-card-title { font-size: 1rem; line-height: 1.4; overflow-wrap: anywhere; }
.theme-card-title-trans { line-height: 1.5; }
.theme-card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.theme-action-btn { padding: 10px 5px; border-radius: 8px; }
.theme-chapter-num { display: none; }
.reading-card-meta { flex-wrap: wrap; gap: 10px; }
.grammar-grid { display: flex; flex-direction: column; gap: 12px; }
.grammar-rule-card { background: var(--bg-surface); border-radius: 12px; }
.grammar-rule-header { width: 100%; text-align: left; border: 0; background: transparent; color: var(--text-main); font: inherit; padding: 20px; gap: 12px; }
.grammar-title-sv { font-size: 1rem; line-height: 1.5; }
.grammar-header-left { min-width: 0; align-items: flex-start; }
.grammar-header-right { flex-shrink: 0; }
.grammar-summary-bar { padding: 0 20px 18px; background: transparent; }
.grammar-rule-content { padding: 0 20px 20px; }
.grammar-table-wrapper, .satschema-table-scroll, .words-table-wrapper { max-width: 100%; overflow-x: auto; }
.grammar-lab { margin-top: 28px; border: 1px solid var(--border-subtle); border-radius: 12px; padding: 18px; }
.grammar-lab > summary { cursor: pointer; font-weight: 600; line-height: 1.5; }
.satschema-hero-card { margin: 20px 0 0; box-shadow: none; }
.satschema-formula-tabs { flex-wrap: wrap; }
.practice-nav-bar { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); padding: 5px; gap: 5px; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: 12px; }
.practice-tab-btn { white-space: normal; justify-content: center; min-width: 0; padding: 14px 10px; font-size: .85rem; border-radius: 8px; }
.practice-tab-btn > span:first-child:empty { display: none; }
.practice-sub-view { max-width: 850px; margin: 0 auto; }
.practice-sub-view > .view-header { margin-top: 22px; }
.practice-theme-label { display: block; color: var(--text-muted); font-size: .8rem; margin: 22px 0 8px; }
#drill-theme-select { width: 100%; }
.select-dropdown { max-width: 100%; text-overflow: ellipsis; }
.flashcards-controls, .quiz-controls { min-width: 0; max-width: 100%; flex-wrap: wrap; }
.select-wrapper { min-width: 0; max-width: 100%; }
.drill-card { min-height: 280px; }
#drill-feedback { min-height: 62px; }
#drill-feedback.hidden { display: flex !important; visibility: hidden; }
.sentence-slots-box, .sentence-bank-box { min-height: 110px; }
.stats-overview-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.stats-comparison-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.comparison-card, .card-section, .stat-card { min-width: 0; }
.section-header-row, .header-with-badge { flex-wrap: wrap; gap: 8px; }
.leitner-boxes-row { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); }
.leitner-box-column { min-width: 0; padding: 14px 8px; overflow-wrap: anywhere; }
.words-table { font-size: .8rem; }
.words-table th, .words-table td { padding: 10px; white-space: normal; overflow-wrap: anywhere; }
.user-avatar-badge, .min-emoji, .card-header-icon { box-shadow: none; }
.lang-flag { display: none; }
button:focus-visible, summary:focus-visible, select:focus-visible { outline: 2px solid var(--brand-blue); outline-offset: 3px; }
.auth-modal-card { max-height: 90dvh; overflow-y: auto; }
@media(max-width: 1000px) {
  .brand-subtitle, .badge-tag, .status-label { display: none; }
  .themes-grid, .reading-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .stats-comparison-grid { grid-template-columns: minmax(0,1fr); }
}
@media(max-width: 767px) {
  .header-inner { height: 60px; gap: 8px; }
  .brand-logo-badge { width: 30px; height: 30px; }
  .brand { gap: 7px; }
  .header-controls { gap: 6px; }
  .header-controls .daily-goal-pill, .header-controls .streak-pill, .header-controls .xp-pill { display: none; }
  .user-profile-btn { padding: 4px 8px; }
  .user-name { max-width: 75px; overflow: hidden; text-overflow: ellipsis; display: block; }
  .nav-bar { top: 60px; }
  .nav-inner { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 3px; padding: 5px 10px; }
  .nav-tab { flex-direction: row; padding: 9px 3px; gap: 5px; }
  .nav-tab .tab-text { font-size: .65rem; }
  .nav-icon { width: 15px; height: 15px; }
  .app-main { padding-top: 12px; }
  .learning-context { gap: 12px; margin-bottom: 20px; padding-bottom: 16px; }
  .course-selector { display: grid; grid-template-columns: 1.4fr repeat(4,1fr); gap: 4px; width: 100%; }
  .btn-filter-pill { min-width: 0; padding: 9px 3px; font-size: .73rem; }
  .themes-grid, .reading-grid { grid-template-columns: minmax(0,1fr); }
  .theme-card-top { min-height: auto; }
  .view-header { gap: 14px; }
  .theme-search-box { width: 100%; }
  .stats-overview-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .leitner-boxes-row { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .practice-tab-btn { font-size: .76rem; padding: 12px 6px; }
  .grammar-rule-header { padding: 16px; }
  .grammar-header-left { flex-direction: column; gap: 10px; }
  .grammar-rule-content { padding: 0 12px 16px; }
  .grammar-summary-bar { padding: 0 16px 16px; }
  .flashcards-controls, .quiz-controls, .flashcards-controls .select-wrapper, .quiz-controls .select-wrapper { width: 100%; }
  .flashcard { width: 100%; }
}
@media(prefers-reduced-motion:reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
.section-heading { white-space: normal; overflow-wrap: anywhere; line-height: 1.45; }
.stat-overview-icon { display: none; }
.card-header-with-icon { min-width: 0; }
.card-header-with-icon .card-header-icon { flex-shrink: 0; }
@media(max-width: 767px) {
  .setting-item { flex-wrap: wrap; gap: 12px; }
  .setting-label-col { width: 100%; flex: 1 1 100%; min-width: 0; }
  .setting-control-col { width: 100%; max-width: 100%; }
  .setting-control-col .select-dropdown { width: 100%; }
  .card-section { padding: 18px; }
}
.theme-card { gap: 16px; }
.theme-card-top { min-height: 82px; }
.theme-card-actions { margin-top: 0; padding-top: 12px; }
.theme-card-progress { margin-top: 0; }
.theme-card-icon { padding: 0; display: flex; align-items: center; justify-content: center; }
.metric-icon { display: none; }
.metric-card { min-width: 0; padding: 22px; border-radius: 14px; box-shadow: none; }
.metric-label { line-height: 1.5; }
.section-icon:empty, .card-header-icon:empty, .select-prefix-icon:empty { display: none; }
@media(max-width:767px) { .theme-card-top { min-height: auto; } .metric-card { padding: 18px; } }
.filter-controls, .pill-group { min-width: 0; max-width: 100%; flex-wrap: wrap; }
.filter-controls .select-theme-wrapper { min-width: 0; width: 100%; }
.drill-header { flex-wrap: wrap; gap: 16px; }
.drill-header > div { min-width: 0; }
@media(max-width: 480px) {
  .flashcard-actions { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 6px; }
  .flashcard-actions .btn-action { min-width: 0; padding: 12px 4px; white-space: normal; }
  .flashcard-actions .btn-text { font-size: .75rem; overflow-wrap: anywhere; }
  .flashcard-actions .btn-shortcut { display: none; }
  .pill-group { display: flex; gap: 5px; }
  .pill-btn { min-width: 0; white-space: normal; padding: 8px; }
  .drill-header > div:first-child { width: 100%; }
  .drill-stats-pills { flex-wrap: wrap; }
}
.select-theme-wrapper .select-dropdown { width: 100%; min-width: 0; max-width: 100%; }

/* Compact page rhythm and controls */
.app-main { padding-top: 18px; padding-bottom: 32px; }
.learning-context { margin-bottom: 18px; padding: 10px 0 16px; gap: 12px; }
.view-header { margin-bottom: 18px; }
.view-subtitle { line-height: 1.5; }
.themes-grid, .reading-grid { gap: 12px; }
.theme-card { padding: 16px; gap: 12px; }
.theme-card-top { min-height: 72px; gap: 11px; }
.theme-card-actions { padding-top: 10px; }
.theme-action-btn { min-height: 38px; }
.goal-circle { width: 27px; height: 27px; flex: 0 0 27px; }
.daily-goal-pill { display: inline-flex; align-items: center; gap: 6px; padding: 0 10px; white-space: nowrap; }
.goal-number { position: static; transform: none; font-size: .76rem; font-variant-numeric: tabular-nums; line-height: 1; }
.lang-flag { display: inline-block; font-size: 1rem; line-height: 1; flex: 0 0 auto; }
.btn-lang-switcher { display: inline-flex; align-items: center; gap: 5px; }

/* Flashcard theme selector stays inside the viewport at every width. */
#view-flashcards .flashcards-header { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; }
#view-flashcards .filter-controls { display: grid; grid-template-columns: minmax(190px,280px) minmax(0,1fr); width: 100%; }
#view-flashcards .select-theme-wrapper { display: flex; align-items: center; gap: 8px; width: 100%; min-width: 0; margin: 0; padding: 5px 8px 5px 12px; border: 1px solid var(--border-subtle); border-radius: 10px; background: var(--bg-surface); }
#view-flashcards .select-prefix-label { flex: 0 0 auto; color: var(--text-muted); font-size: .72rem; font-weight: 700; }
#view-flashcards .select-theme-wrapper .select-dropdown { flex: 1 1 auto; width: 100%; min-width: 0; height: 34px; padding: 0 28px 0 6px; border: 0; border-radius: 7px; box-shadow: none; background-color: transparent; background-position: right 7px center; }
#view-flashcards .pill-group { display: flex; min-width: 0; gap: 5px; }
#view-flashcards .pill-btn { border-radius: 9px; min-height: 42px; padding: 8px 11px; line-height: 1.2; }
#view-flashcards .card-counter { white-space: nowrap; justify-self: end; }

/* Reading: editorial catalog and calmer article surface. */
#view-reading .reading-catalog-header { min-height: 170px; padding: 24px; border: 1px solid var(--border-subtle); border-radius: 16px; overflow: hidden; align-items: end; background: var(--bg-surface); }
#view-reading .reading-catalog-header .view-title { color: #fff; }
#view-reading .reading-catalog-header .view-subtitle { color: #e2edf3; max-width: 520px; }
#view-reading .reading-catalog-header .theme-search-box .input-text { background: rgba(255,255,255,.94); color: #172433; border-color: rgba(255,255,255,.75); }
#view-reading .reading-card { gap: 12px; min-height: 204px; border-radius: 14px; }
#view-reading .reading-card-title { font-family: 'Newsreader', Georgia, serif; font-size: 1.36rem; font-weight: 650; }
#view-reading .reading-card-sub { line-height: 1.55; }
#view-reading .reading-article-container { background: var(--bg-surface); box-shadow: none; border-radius: 16px; padding: clamp(20px,4vw,42px); }
#view-reading .article-sv-title { font-size: clamp(1.8rem,3vw,2.3rem); }
#view-reading .article-text-body { max-width: 66ch; font-size: clamp(1.14rem,2vw,1.28rem); line-height: 1.84; }
#view-reading .article-glosor-box, #view-reading .article-questions-box { background: var(--bg-card); border-color: var(--border-subtle); }
#view-reading .reader-audio-player-bar { box-shadow: none; border-color: var(--border-subtle); }

/* Grammar: scan rules as a course library, then open one focused lesson. */
#view-grammar .grammar-header { padding: 23px 26px; border: 1px solid var(--border-subtle); border-radius: 16px; background: linear-gradient(115deg,var(--color-en-bg),var(--bg-surface) 64%); }
#view-grammar .grammar-header .view-subtitle { max-width: 750px; }
#view-grammar .grammar-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; counter-reset: grammar-rule; }
#view-grammar .grammar-rule-card { counter-increment: grammar-rule; min-width: 0; border-radius: 13px; background: var(--bg-surface); box-shadow: none; }
#view-grammar .grammar-rule-card.is-open { grid-column: 1 / -1; border-color: var(--brand-blue); }
#view-grammar .grammar-rule-header { min-height: 92px; align-items: flex-start; padding: 18px; }
#view-grammar .grammar-header-left { display: grid; grid-template-columns: 34px minmax(0,1fr); column-gap: 12px; row-gap: 8px; align-items: start; }
#view-grammar .grammar-header-left::before { content: counter(grammar-rule, decimal-leading-zero); display: grid; place-items: center; grid-column: 1; grid-row: 1 / span 2; width: 34px; height: 34px; border-radius: 9px; background: var(--color-en-bg); color: var(--brand-blue); font: 700 .76rem var(--font-mono); }
#view-grammar .grammar-header-left .badge-sfi { grid-column: 2; grid-row: 2; justify-self: start; }
#view-grammar .grammar-title-group { grid-column: 2; grid-row: 1; min-width: 0; gap: 4px; }
#view-grammar .grammar-title-sv { line-height: 1.35; font-size: 1.02rem; }
#view-grammar .grammar-title-trans { line-height: 1.4; }
#view-grammar .grammar-header-right { margin-left: 6px; }
#view-grammar .grammar-toggle-icon { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--border-subtle); border-radius: 7px; color: var(--brand-blue); font-size: .9rem; }
#view-grammar .grammar-summary-bar { padding: 0 18px 17px 64px; border: 0; color: var(--text-muted); line-height: 1.5; }
#view-grammar .grammar-rule-content { padding: 22px; background: var(--bg-surface); gap: 22px; }
#view-grammar .grammar-theory-box { border-left: 3px solid var(--brand-blue); border-radius: 8px; padding: 18px; }
#view-grammar .grammar-exp-trans { color: var(--text-muted); }
#view-grammar .grammar-examples-list { display: grid; gap: 8px; }
#view-grammar .grammar-example-item { min-width: 0; padding: 11px 13px; border: 1px solid var(--border-subtle); border-radius: 9px; background: var(--bg-card); }
#view-grammar .grammar-example-item > div { min-width: 0; overflow-wrap: anywhere; }
#view-grammar .grammar-mini-quiz { padding: 14px; border: 1px solid var(--border-subtle); border-radius: 10px; margin-bottom: 10px; background: var(--bg-card); }
#view-grammar .gq-options { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; }
#view-grammar .gq-opt-btn { width: 100%; min-width: 0; min-height: 42px; white-space: normal; overflow-wrap: anywhere; }
#view-grammar .grammar-lab { margin-top: 16px; background: var(--bg-surface); }

/* Practice: consistent navigation and bounded exercise cards. */
#view-practice .practice-nav-bar { margin-bottom: 18px; }
#view-practice .practice-tab-btn { min-height: 48px; line-height: 1.3; }
#view-practice .practice-sub-view { width: 100%; }
#view-practice .practice-sub-view > .view-header { margin-top: 16px; }
#view-practice .drill-header { align-items: flex-end; margin-bottom: 15px; }
#view-practice .drill-card, #view-practice .quiz-card, #view-practice .sentence-builder-card { background: var(--bg-surface); border: 1px solid var(--border-subtle); box-shadow: none; border-radius: 15px; }
#view-practice .drill-card { min-height: 250px; padding: 24px; }
#view-practice .sentence-builder-card { gap: 16px; }
#view-practice .sentence-slots-box, #view-practice .sentence-bank-box { background: var(--bg-card); border-color: var(--border-subtle); }
#view-practice .drill-target-word, #view-practice .quiz-prompt-word { font-size: clamp(1.7rem,5vw,2.7rem); overflow-wrap: anywhere; }
#view-practice .quiz-option-btn { min-height: 68px; overflow-wrap: anywhere; }

/* Analytics controls keep their shape while headings wrap. */
#view-stats .section-header-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
#view-stats .header-with-badge { min-width: 0; flex: 1 1 160px; }
#view-stats .header-with-badge .badge { white-space: normal; text-align: center; }
#view-stats .btn-warning-sm { flex: 0 0 auto; align-self: flex-start; white-space: nowrap; min-height: 38px; }
#view-stats .words-table { min-width: 530px; }
#view-stats .words-table th { white-space: nowrap; overflow-wrap: normal; }
#view-stats .words-table td:first-child { min-width: 95px; white-space: nowrap; }

@media (max-width: 900px) {
  #view-flashcards .flashcards-header { grid-template-columns: minmax(0,1fr); }
  #view-flashcards .filter-controls { grid-template-columns: minmax(0,1fr); }
  #view-flashcards .card-counter { justify-self: start; }
  #view-flashcards .pill-group { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .container { padding-inline: 14px; }
  .app-main { padding-top: 12px; }
  .learning-context { margin-bottom: 14px; padding-bottom: 13px; }
  .theme-card { padding: 15px; }
  #view-reading .reading-catalog-header { min-height: 210px; padding: 18px; align-items: flex-start; flex-direction: column; justify-content: space-between; }
  #view-reading .reading-toolbar, #view-reading .reading-toolbar .theme-search-box, #view-reading .reading-toolbar .input-text { width: 100%; max-width: 100%; }
  #view-grammar .grammar-grid { grid-template-columns: minmax(0,1fr); }
  #view-grammar .grammar-header { padding: 18px; }
  #view-grammar .grammar-rule-header { min-height: auto; }
  #view-grammar .grammar-header-left { grid-template-columns: 34px minmax(0,1fr); }
  #view-grammar .grammar-summary-bar { padding-left: 18px; }
  #view-grammar .gq-options { grid-template-columns: minmax(0,1fr); }
  #view-practice .practice-nav-bar { grid-template-columns: minmax(0,1fr); }
  #view-practice .practice-tab-btn { justify-content: flex-start; padding: 11px 14px; min-height: 42px; }
  #view-practice .quiz-controls, #view-practice .quiz-controls .select-wrapper { width: 100%; }
  #view-practice .sentence-builder-card { padding: 18px; }
  #view-stats .section-header-row { flex-direction: column; align-items: stretch; }
  #view-stats .header-with-badge { flex: auto; }
  #view-stats .btn-warning-sm { align-self: stretch; max-width: 100%; white-space: normal; }
}
@media (max-width: 390px) {
  #view-flashcards .pill-group { grid-template-columns: repeat(2,minmax(0,1fr)); }
  #view-flashcards .pill-btn:last-child { grid-column: 1 / -1; }
  #view-flashcards .pill-btn { min-height: 36px; }
  .course-selector { grid-template-columns: repeat(5,minmax(0,1fr)); }
  .btn-filter-pill { font-size: .67rem; }
}

/* Six clear destinations and the new standalone project icon. */
.nav-inner { grid-template-columns: repeat(6,minmax(0,1fr)); }
.brand-logo-badge { overflow: hidden; background: transparent; }
.brand-icon { display: block; width: 100%; height: 100%; object-fit: contain; }

/* Theme cards */
.theme-card-top { display: grid; grid-template-columns: 46px minmax(0,1fr); align-items: center; gap: 13px; min-height: 88px; }
.theme-card-icon { width: 46px; height: 46px; align-self: center; font-size: .9rem; border: 1px solid rgba(2,132,199,.18); }
.theme-card-info { min-width: 0; }
.theme-card-title, .theme-card-title-trans { overflow-wrap: anywhere; }
.theme-card-actions { gap: 8px; }
.theme-action-btn { min-width: 0; min-height: 42px; font-size: .82rem; }
.theme-action-btn.btn-theme-flashcards { background: var(--brand-blue); border-color: var(--brand-blue); color: #fff; }
.theme-action-btn.btn-theme-flashcards:hover { background: var(--brand-blue-hover); border-color: var(--brand-blue-hover); color: #fff; }
.theme-action-btn.btn-theme-quiz { background: var(--color-warning-bg); border-color: rgba(245,158,11,.38); color: var(--brand-yellow); }
.theme-action-btn.btn-theme-quiz:hover { background: rgba(245,158,11,.23); border-color: var(--brand-yellow); color: var(--brand-yellow); }

/* Cards: clear hierarchy, adaptive face height, accessible long examples. */
.flashcards-intro { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 0 0 16px; }
.flashcards-intro-mark { color: var(--text-faint); font: 700 .76rem var(--font-mono); white-space: nowrap; }
#view-flashcards .flashcards-header { padding: 12px; border: 1px solid var(--border-subtle); border-radius: 13px; background: var(--bg-surface); gap: 9px; }
#view-flashcards .select-theme-wrapper { background: var(--bg-card); }
#view-flashcards .pill-btn { font-size: .76rem; }
#view-flashcards .card-counter { font-weight: 700; font-variant-numeric: tabular-nums; }
.flashcard-viewport { height: clamp(320px,calc(100dvh - 440px),430px); margin-bottom: 14px; }
.flashcard-face { padding: clamp(17px,3vw,30px); overflow-y: auto; overflow-x: hidden; scrollbar-width: thin; box-shadow: none; gap: 16px; }
.flashcard-front, .flashcard-back { background: var(--bg-surface); }
.flashcard-front { border-color: rgba(2,132,199,.32); }
.flashcard-back { border-color: rgba(245,158,11,.3); }
.card-top-row { flex-wrap: wrap; gap: 7px; min-width: 0; }
.card-top-row > * { max-width: 100%; overflow-wrap: anywhere; }
.card-center { min-width: 0; width: 100%; overflow-wrap: anywhere; }
.card-swedish-word { font-size: clamp(2rem,8vw,3.2rem); line-height: 1.1; overflow-wrap: anywhere; }
.card-russian-word { font-size: clamp(1.4rem,5vw,2.3rem); line-height: 1.2; overflow-wrap: anywhere; }
.card-example-box { padding: 12px 14px; margin-top: 12px; overflow-wrap: anywhere; background: var(--bg-card); }
.example-sv, .example-ru { line-height: 1.55; overflow-wrap: anywhere; }
.flashcard-actions { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
.flashcard-actions .btn-action { min-width: 0; min-height: 62px; padding: 10px; border-radius: 12px; box-shadow: none; }
.flashcard-actions .btn-keyhint { font-size: .68rem; }

/* Reading catalog: icon rather than a background image. */
#view-reading .reading-catalog-header { min-height: auto; padding: 18px 20px; align-items: center; background: var(--bg-surface); }
#view-reading .reading-catalog-header .view-title { color: var(--text-main); }
#view-reading .reading-catalog-header .view-subtitle { color: var(--text-muted); }
#view-reading .reading-catalog-header .theme-search-box .input-text { background: var(--bg-card); color: var(--text-main); border-color: var(--border-subtle); }
.reading-section-icon { display: block; width: 58px; height: 58px; object-fit: contain; margin-bottom: 8px; }
#view-reading .reading-grid { align-items: stretch; }
#view-reading .reading-card { min-width: 0; min-height: 230px; overflow: hidden; }
#view-reading .reading-card > div { min-width: 0; }
#view-reading .reading-card-top { align-items: flex-start; flex-wrap: wrap; line-height: 1.3; }
#view-reading .reading-card-top span:last-child { min-width: 0; overflow-wrap: anywhere; }
#view-reading .reading-card-title { font-size: clamp(1.17rem,2vw,1.42rem); line-height: 1.25; overflow-wrap: anywhere; }
#view-reading .reading-card-sub { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; overflow-wrap: anywhere; }
#view-reading .reading-card-meta { gap: 6px 12px; }
#view-reading .reading-article-container { overflow: hidden; }
#view-reading .article-sv-title { overflow-wrap: anywhere; }
#view-reading .article-summary-text { font-style: normal; max-width: 60ch; overflow-wrap: anywhere; }
#view-reading .article-text-body { font-size: clamp(1.16rem,2vw,1.32rem); line-height: 1.78; letter-spacing: 0; overflow-wrap: anywhere; }
#view-reading .article-text-body p { margin-bottom: 1.15em; }
.reader-word { display: inline; color: inherit; font: inherit; line-height: inherit; letter-spacing: inherit; padding: 0 2px; margin: 0; border: 0; border-radius: 4px; background: transparent; text-align: inherit; cursor: pointer; }
.reader-word:hover, .reader-word.selected, .reader-word:focus-visible { background: var(--color-en-bg); color: var(--brand-blue); outline: none; }
.reader-word.glos-word { text-decoration: underline dotted var(--brand-yellow) 1.5px; text-underline-offset: 4px; }
.reader-word-popover { position: fixed; z-index: 120; display: grid; gap: 5px; width: min(300px,calc(100vw - 24px)); padding: 16px; border: 1px solid var(--border-subtle); border-radius: 14px; background: var(--bg-surface); color: var(--text-main); box-shadow: var(--shadow-lg); }
.reader-word-popover.hidden { display: none; }
.reader-word-original { padding-right: 24px; font-size: 1.12rem; font-weight: 800; overflow-wrap: anywhere; }
.reader-word-translation { color: var(--text-muted); font-size: .9rem; overflow-wrap: anywhere; }
.reader-word-close { position: absolute; right: 9px; top: 7px; width: 28px; height: 28px; border: 0; background: transparent; color: var(--text-muted); font-size: 1.4rem; cursor: pointer; }
.reader-word-listen { justify-self: start; margin-top: 8px; padding: 7px 11px; border: 1px solid rgba(2,132,199,.3); border-radius: 8px; background: var(--color-en-bg); color: var(--brand-blue); font: 700 .8rem var(--font-family); cursor: pointer; }

/* Exercise surfaces */
#view-practice .practice-nav-bar { gap: 8px; padding: 0; border: 0; background: none; }
#view-practice .practice-tab-btn { display: flex; justify-content: flex-start; align-items: center; gap: 10px; min-height: 62px; padding: 12px 14px; border: 1px solid var(--border-subtle); border-radius: 12px; background: var(--bg-surface); text-align: left; font-size: .84rem; }
#view-practice .practice-tab-btn.active { background: var(--color-en-bg); border-color: var(--brand-blue); color: var(--brand-blue); }
#view-practice .practice-tab-index { display: grid; place-items: center; flex: 0 0 32px; width: 32px; height: 32px; border-radius: 8px; background: var(--bg-card); color: var(--text-muted); font: 700 .73rem var(--font-mono); }
#view-practice .practice-tab-btn.active .practice-tab-index { background: var(--brand-blue); color: #fff; }
#view-practice .practice-theme-label { margin-top: 16px; }
#view-practice .drill-arena, #view-practice .quiz-arena { max-width: 700px; }
#view-practice .drill-card, #view-practice .quiz-card, #view-practice .sentence-builder-card { padding: clamp(17px,3vw,28px); }
#view-practice .drill-buttons-row { gap: 10px; }
#view-practice .btn-drill-choice { min-height: 98px; border-radius: 13px; box-shadow: none; }
#view-practice .quiz-options-grid { gap: 9px; }
#view-practice .quiz-option-btn { padding: 12px; border-radius: 10px; text-align: left; }
#view-practice .sentence-translation-text { font-size: clamp(1rem,2vw,1.25rem); overflow-wrap: anywhere; }
#view-practice .word-chip { max-width: 100%; overflow-wrap: anywhere; }

@media (max-width: 767px) {
  .nav-inner { grid-template-columns: repeat(3,minmax(0,1fr)); }
  #view-reading .reading-catalog-header { min-height: auto; padding: 18px; }
  .reading-section-icon { width: 46px; height: 46px; }
  #view-flashcards .flashcards-header { padding: 10px; }
  .flashcards-intro .view-subtitle { display: none; }
  .flashcard-actions { padding: 7px; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: 13px; }
  .flashcard-actions .btn-action { min-height: 54px; padding: 8px 4px; }
  .flashcard-actions .btn-keyhint, .flashcard-actions .btn-shortcut { display: none; }
  .flashcard-face { padding: 18px; }
  #view-practice .practice-tab-btn { min-height: 46px; }
  #view-practice .practice-nav-bar { grid-template-columns: repeat(3,minmax(0,1fr)); }
  #view-practice .practice-tab-btn { flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 8px; min-width: 0; min-height: 96px; padding: 10px; font-size: .72rem; overflow-wrap: anywhere; }
}
@media (max-width: 390px) {
  .flashcards-intro-mark { display: none; }
  #view-flashcards .pill-group { grid-template-columns: repeat(3,minmax(0,1fr)); }
  #view-flashcards .pill-btn:last-child { grid-column: auto; }
  #view-flashcards .pill-btn { padding: 6px 3px; font-size: .68rem; }
  .card-swedish-word { font-size: clamp(1.8rem,9vw,2.7rem); }
  #view-practice .choice-title { font-size: 1.65rem; }
}

/* Keep exercise controls and long content inside the available viewport. */
.flashcard-viewport { height: clamp(300px, 46dvh, 420px); }
.flashcard-face { justify-content: flex-start; gap: 10px; }
.flashcard-face .card-center { flex: 1 1 auto; min-height: 0; justify-content: center; gap: 8px; }
.flashcard-face .card-bottom-row { flex: 0 0 auto; margin-top: auto; }
.flashcard-back .card-center { justify-content: flex-start; overflow-y: auto; scrollbar-width: thin; }
.flashcard-back .card-russian-word { font-size: clamp(1.25rem, 3.5vw, 2rem); line-height: 1.18; margin: 0; }
.flashcard-back .card-example-box { flex: 0 0 auto; margin: 4px 0 0; padding: 10px 12px; }
.flashcard-back .example-sv { font-size: .88rem; }
.flashcard-back .example-ru { font-size: .8rem; }
.flashcard-face .flip-hint { line-height: 1.3; }

#view-stats .stats-comparison-grid > * { min-width: 0; }
#view-stats .section-header-row { flex-wrap: wrap; }
#view-stats .header-with-badge { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
#view-stats .btn-warning-sm { white-space: normal; max-width: 100%; padding: 8px 11px; }
#view-stats .words-table-wrapper { max-width: 100%; }
#view-stats .words-table { min-width: 0; table-layout: fixed; }
#view-stats .words-table th, #view-stats .words-table td { min-width: 0 !important; white-space: normal !important; overflow-wrap: anywhere; font-size: .72rem; padding: 8px 5px; }
#view-stats .words-table th:last-child, #view-stats .words-table td:last-child { text-align: right; }

#view-reading .reading-card { min-height: 0; }
#view-reading .reading-card-title, #view-reading .article-sv-title { font-family: var(--font-family); font-weight: 750; letter-spacing: -.025em; }
#view-reading .article-text-body { font-family: 'Newsreader', Georgia, serif; font-size: clamp(1.18rem, 1.8vw, 1.4rem); line-height: 1.65; max-width: 72ch; }
#view-reading .article-summary-text, #view-reading .reading-card-sub { display: none; }

#view-practice .practice-nav-bar { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; margin-bottom: 12px; }
#view-practice .practice-tab-btn { min-height: 48px; padding: 9px 11px; font-size: .78rem; }
#view-practice .practice-tab-index { flex-basis: 27px; width: 27px; height: 27px; }
#view-practice .practice-sub-view > .view-header { margin-top: 8px; margin-bottom: 10px; }
#view-practice .quiz-header { display: flex; flex-wrap: wrap; gap: 12px; }
#view-practice .quiz-controls { display: flex; flex-wrap: wrap; align-items: center; width: 100%; gap: 8px; }
#view-practice .quiz-controls .select-theme-wrapper { flex: 1 1 260px; min-width: 0; }
#view-practice .quiz-controls .select-dropdown { width: 100%; }
.quiz-direction-control { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3px; padding: 3px; border: 1px solid var(--border-subtle); border-radius: 10px; background: var(--bg-card); }
.quiz-direction-btn { min-width: 0; padding: 9px 12px; border: 0; border-radius: 7px; background: transparent; color: var(--text-muted); font: 700 .78rem var(--font-family); cursor: pointer; }
.quiz-direction-btn.active { background: var(--brand-blue); color: #fff; }
#view-practice .quiz-arena { max-width: 760px; }
#view-practice .quiz-progress-bar { margin-bottom: 9px; }
#view-practice .quiz-card { padding: clamp(13px, 2vw, 20px); }
#view-practice .quiz-meta-row { margin-bottom: 6px; }
#view-practice .quiz-prompt-box { padding: 7px 0 12px; margin-bottom: 12px; }
#view-practice .quiz-prompt-row { margin: 4px 0; }
#view-practice .quiz-options-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
#view-practice .quiz-option-btn { min-height: 48px; padding: 9px 11px; line-height: 1.28; }
#view-practice .quiz-result-box { margin-top: 10px; padding-top: 10px; }
#view-practice .drill-card { min-height: 0; padding: 16px; }
#view-practice .drill-card-main { padding: 6px 0; }
#view-practice .drill-article-placeholder { font-size: 2rem; }
#view-practice .drill-target-word { font-size: clamp(1.7rem, 4vw, 2.4rem); }
#view-practice .btn-drill-choice { min-height: 58px; padding: 8px 12px; gap: 1px; }
#view-practice .choice-title { font-size: 1.4rem; }
#view-practice .sentence-builder-card { max-width: 840px; padding: 17px; gap: 10px; }
#view-practice .sentence-slots-box, #view-practice .sentence-bank-box { min-height: 46px; padding: 8px; gap: 6px; }
#view-practice .word-chip { padding: 6px 10px; font-size: .88rem; line-height: 1.2; }

@media (max-width: 767px) {
  .nav-inner { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .nav-tab { position: relative; justify-content: center; min-height: 43px; padding: 7px 2px; }
  .nav-tab .tab-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
  .nav-icon { width: 21px; height: 21px; }
  #view-practice .practice-tab-btn { flex-direction: row; align-items: center; min-height: 50px; padding: 7px; font-size: .7rem; gap: 5px; }
  #view-practice .practice-tab-index { flex-basis: 23px; width: 23px; height: 23px; }
  .quiz-direction-control { width: 100%; }
  .flashcard-viewport { height: clamp(320px, 50dvh, 440px); }
}
@media (max-width: 430px) {
  #view-practice .practice-tab-btn { flex-direction: column; align-items: flex-start; line-height: 1.15; }
  #view-practice .quiz-options-grid { grid-template-columns: 1fr; }
  #view-stats .words-table { min-width: 500px; }
}
@media (max-width: 360px) {
  .header-controls { gap: 3px; }
  .header-controls .user-name { display: none; }
  .user-profile-btn { padding: 4px 6px; }
  .brand-title { font-size: 1.15rem; }
}

/* Learning controls: clear groupings without oversized empty surfaces. */
.course-context-heading { flex-wrap: wrap; gap: 5px 10px; }
.learning-context { padding: 7px 0 11px; margin-bottom: 13px; }
#course-word-count { color: var(--text-muted); font-size: .78rem; font-weight: 600; letter-spacing: 0; }
#view-flashcards .flashcards-intro { margin-bottom: 10px; }
#view-flashcards .flashcards-header { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; padding: 0; border: 0; background: transparent; }
#view-flashcards .filter-controls { display: flex; flex: 1 1 auto; flex-wrap: wrap; align-items: center; width: auto; gap: 8px; }
#view-flashcards .select-theme-wrapper { flex: 0 1 330px; min-width: min(100%, 230px); height: 44px; }
#view-flashcards .pill-group { display: inline-flex; flex: 0 1 auto; width: auto; max-width: 100%; }
#view-flashcards .pill-btn { min-height: 36px; padding: 6px 10px; font-size: .76rem; white-space: normal; }
#view-flashcards .card-counter { margin-left: auto; color: var(--text-muted); font-size: .82rem; }

#view-practice .practice-sub-view > .view-header { margin-top: 4px; margin-bottom: 10px; }
#view-practice .quiz-header { display: block; }
#view-practice .quiz-header { max-width: 760px; margin-left: auto; margin-right: auto; }
#view-practice .quiz-header .view-title { margin-bottom: 12px; }
#view-practice .quiz-controls { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 10px; }
#view-practice .quiz-controls .select-theme-wrapper { display: flex; flex-direction: column; align-items: stretch; gap: 5px; width: 100%; min-width: 0; }
#view-practice .quiz-controls .select-prefix-label { display: block; color: var(--text-muted); font-size: .73rem; font-weight: 700; line-height: 1.2; }
#view-practice .quiz-controls .select-dropdown { display: block; width: 100%; max-width: none; height: 44px; padding: 0 36px 0 14px; border-radius: 10px; font-size: .86rem; }
#view-practice .quiz-controls .select-dropdown:focus { box-shadow: 0 0 0 2px rgba(56, 189, 248, .28); }
#view-practice .quiz-direction-control { min-height: 44px; }
#view-practice .quiz-direction-btn { white-space: nowrap; }

#view-practice .drill-header { max-width: 700px; margin: 4px auto 10px; align-items: center; }
#view-practice .drill-header .view-title { margin: 0; }
.drill-selector-row { display: grid; gap: 5px; width: min(100%, 700px); margin: 0 auto 12px; }
#view-practice .drill-selector-row .practice-theme-label { margin: 0; font-size: .73rem; line-height: 1.2; font-weight: 700; }
#view-practice #drill-theme-select { width: min(100%, 390px); height: 44px; padding-left: 14px; border-radius: 10px; font-size: .86rem; }
#view-practice .drill-arena { gap: 10px; }
#view-practice .drill-card-main { margin: 9px 0; }
#view-practice #drill-feedback { min-height: 0; }
#view-practice #drill-feedback.hidden { display: none !important; }

#view-practice .sentence-builder-card { gap: 14px; }
#view-practice #practice-sub-sentence > .view-header { max-width: 840px; margin-left: auto; margin-right: auto; }
#view-practice .sentence-target-hint { gap: 0; }
#view-practice .sentence-translation-text { font-size: clamp(1.05rem, 2vw, 1.3rem); }
#view-practice .sentence-slots-box { min-height: 74px; }
#view-practice .sentence-bank-box { min-height: 70px; padding: 10px; }
#view-practice .word-chip { padding: 9px 14px; font-size: 1rem; font-weight: 700; line-height: 1.25; border-radius: 9px; }
.sentence-empty-hint { color: var(--text-muted); font-size: .85rem; }

/* Analytics tables share space according to their actual column count. */
#view-stats .stats-comparison-grid { gap: 14px; align-items: start; }
#view-stats .comparison-card { margin-bottom: 0; padding: 18px; }
#view-stats .section-header-row { align-items: center; margin-bottom: 13px; }
#view-stats .section-heading { margin: 0; line-height: 1.25; }
#view-stats .btn-warning-sm { flex: 0 1 auto; min-height: 34px; padding: 7px 10px; font-size: .75rem; }
#view-stats .words-table th, #view-stats .words-table td { font-size: .76rem; padding: 9px 6px; }
#view-stats #table-weak-words th:first-child, #view-stats #table-weak-words td:first-child { width: 34%; }
#view-stats #table-weak-words th:nth-child(2), #view-stats #table-weak-words td:nth-child(2) { width: 20%; }
#view-stats #table-weak-words th:nth-child(3), #view-stats #table-weak-words td:nth-child(3) { width: 19%; }
#view-stats #table-weak-words th:nth-child(4), #view-stats #table-weak-words td:nth-child(4) { width: 27%; }

/* Settings cards have one gap between them and balanced inner edges. */
#view-settings .settings-grid { gap: 16px; }
#view-settings .settings-card { margin-bottom: 0; padding: 20px; }
#view-settings .settings-card > :last-child { margin-bottom: 0; }
#view-settings .settings-card .setting-item:last-child { padding-bottom: 0; }
#view-settings .settings-card .card-header-with-icon { margin-bottom: 14px; }
#view-settings .settings-card .settings-actions-row { margin-top: 14px; }

@media (max-width: 700px) {
  #view-practice .quiz-controls { grid-template-columns: minmax(0, 1fr); }
  #view-practice .quiz-direction-control { width: 100%; }
  #view-practice .quiz-direction-btn { white-space: normal; }
  #view-flashcards .select-theme-wrapper { flex: 1 1 100%; }
  #view-flashcards .pill-group { flex: 1 1 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  #view-flashcards .card-counter { margin-left: 0; }
  #view-stats .stats-comparison-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 430px) {
  #view-practice .word-chip { padding: 8px 11px; font-size: 1rem; }
  #view-stats #table-weak-words { min-width: 0; }
  #view-stats #table-best-words { min-width: 500px; }
  #view-settings .settings-card { padding: 16px; }
}

@media (max-height: 800px) and (min-width: 768px) {
  .flashcard-viewport { height: clamp(245px, 36dvh, 330px); }
  #view-flashcards .flashcards-header { margin-bottom: 11px; }
  #view-practice .practice-nav-bar { margin-bottom: 9px; }
  #view-practice .quiz-prompt-box { padding: 5px 0 9px; margin-bottom: 9px; }
  #view-practice .quiz-card { padding: 12px 16px; }
  #view-practice .quiz-option-btn { min-height: 44px; }
  #view-practice .sentence-builder-card { gap: 10px; padding: 14px 16px; }
}

/* Learning controls: give each choice a predictable place and touch target. */
#view-flashcards .flashcards-header { display: grid; grid-template-columns: minmax(0, 1fr); align-items: end; max-width: 760px; margin-inline: auto; }
#view-flashcards .filter-controls { display: grid; grid-template-columns: minmax(0, 1fr); width: 100%; gap: 10px; }
#view-flashcards .select-theme-wrapper { width: 100%; max-width: none; min-width: 0; height: 50px; }
#view-flashcards .pill-group { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; max-width: none; gap: 5px; padding: 5px; }
#view-flashcards .pill-btn { min-width: 0; min-height: 44px; padding: 8px 10px; line-height: 1.25; font-size: .82rem; text-align: center; }
#view-flashcards .card-counter { justify-self: end; margin: 0; white-space: nowrap; }

#view-practice .practice-nav-bar { max-width: 760px; margin: 0 auto 16px; gap: 8px; }
#view-practice .practice-tab-btn { min-height: 66px; padding: 12px 14px; line-height: 1.3; font-size: .82rem; }
#view-practice .practice-tab-btn:hover { border-color: var(--brand-blue); color: var(--text-main); }
#view-practice .practice-tab-btn.active { box-shadow: inset 0 0 0 1px var(--brand-blue); }
#view-practice .practice-tab-index { flex: 0 0 30px; width: 30px; height: 30px; }

#view-practice .drill-selector-row { max-width: 700px; width: 100%; }
#view-practice #drill-theme-select { width: 100%; max-width: none; }
#view-practice .quiz-header { max-width: 760px; }
#view-practice .quiz-controls .select-theme-wrapper { min-width: 0; }

#view-stats .stats-overview-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
#view-stats .leitner-boxes-row { grid-template-columns: repeat(6, minmax(0, 1fr)); }
#view-stats .leitner-summary-column { border-color: rgba(56, 189, 248, .4); background: var(--color-en-bg); }
#view-stats .leitner-summary-column .leitner-box-count { color: var(--brand-blue); }

@media (max-width: 1000px) {
  #view-stats .leitner-boxes-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  #view-flashcards .flashcards-header { grid-template-columns: minmax(0, 1fr); }
  #view-flashcards .card-counter { margin: 0; }
  #view-practice .practice-nav-bar { grid-template-columns: minmax(0, 1fr); gap: 7px; }
  #view-practice .practice-tab-btn { flex-direction: row; align-items: center; min-height: 49px; padding: 8px 12px; font-size: .8rem; gap: 11px; }
  #view-practice .practice-tab-index { flex: 0 0 28px; width: 28px; height: 28px; }
  #view-stats .stats-overview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #view-stats .leitner-boxes-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 390px) {
  #view-flashcards .pill-btn { padding: 8px 5px; font-size: .72rem; }
}

/* Compact learning selectors and an uncluttered review flow. */
.brand-logo-badge { background: transparent; }
.brand-icon { width: 100%; height: 100%; object-fit: contain; }
.lang-flag { display: inline-flex; align-items: center; }
.lang-flag img { display: block; width: 20px; height: 20px; object-fit: contain; }
body.weak-review .nav-bar { position: static; }
#view-reading .reading-grid { margin-top: 0; }
#view-flashcards .flashcards-intro { margin-bottom: 8px; }
#view-flashcards .flashcards-header { max-width: 850px; }
#view-flashcards .filter-controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
#view-flashcards .filter-controls > * { min-width: 0; }
#view-flashcards .select-theme-wrapper, #view-flashcards .card-set-control { display: flex; align-items: center; gap: 8px; width: 100%; min-width: 0; height: 46px; padding: 5px 10px; border: 1px solid var(--border-subtle); border-radius: 10px; background: var(--bg-surface); }
#view-flashcards .card-set-control label { color: var(--text-muted); font-size: .72rem; font-weight: 700; flex: 0 0 auto; }
#view-flashcards .card-set-control .select-dropdown { flex: 1 1 auto; min-width: 0; width: 100%; height: 34px; padding: 0 24px 0 5px; border: 0; background-color: transparent; box-shadow: none; }
#view-flashcards .card-counter { justify-self: end; }
#view-practice .practice-nav-bar { grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 850px; gap: 6px; }
#view-practice .practice-tab-btn { min-height: 46px; padding: 8px 10px; justify-content: flex-start; }
#view-practice .practice-tab-index { display: none; }
#view-practice .practice-topic-bar { display: flex; align-items: center; gap: 10px; max-width: 850px; margin: 0 auto 14px; }
#view-practice .practice-topic-bar.hidden { display: none; }
#view-practice .practice-topic-bar label { color: var(--text-muted); font-size: .75rem; font-weight: 700; }
#view-practice .practice-topic-bar select { flex: 1; min-width: 0; width: 100%; height: 43px; }
#view-practice .drill-selector-row, #view-practice .quiz-controls .select-theme-wrapper.hidden { display: none; }
#view-practice .quiz-controls { justify-content: flex-start; }
#view-practice .quiz-direction-control { width: min(100%, 340px); }
.dictation-card { max-width: 700px; margin: 0 auto; padding: clamp(18px, 3vw, 30px); background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: 16px; display: grid; gap: 18px; }
.dictation-top { display: flex; justify-content: space-between; gap: 12px; font-size: .85rem; font-weight: 700; color: var(--text-muted); }
.dictation-translation { font-size: clamp(1.7rem, 5vw, 2.7rem); font-weight: 750; line-height: 1.2; color: var(--text-main); }
#btn-dictation-speak { justify-self: start; }
#dictation-form { display: grid; gap: 9px; }
#dictation-form label { color: var(--text-muted); font-size: .78rem; font-weight: 700; }
.dictation-input-row { display: flex; gap: 9px; min-width: 0; }
.dictation-input-row input { min-width: 0; flex: 1; }
.dictation-feedback { padding: 12px 14px; border-radius: 10px; font-weight: 700; }
.dictation-feedback.correct { color: #22c55e; background: rgba(34,197,94,.12); }
.dictation-feedback.wrong { color: #f87171; background: rgba(248,113,113,.12); }
#btn-dictation-next { justify-self: start; }
#view-settings .settings-cloud-card .card-header-with-icon { align-items: flex-start; }
#view-settings .settings-cloud-card .section-desc { max-width: 580px; }
#view-settings .cloud-account-row { margin: 14px 0; }
#view-settings .settings-actions-row { flex-wrap: wrap; }
@media (max-width: 700px) {
  #view-practice .practice-nav-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #view-practice .practice-tab-btn { min-height: 43px; align-items: center; font-size: .78rem; }
  #view-practice .practice-topic-bar { display: grid; gap: 5px; }
}
@media (max-width: 530px) {
  #view-flashcards .filter-controls { grid-template-columns: minmax(0, 1fr); }
  #view-flashcards .card-counter { justify-self: start; }
  .dictation-input-row { flex-direction: column; }
  .dictation-input-row button { min-height: 42px; }
  #view-stats .weak-words-card .words-table-wrapper { overflow: visible; }
  #view-stats #table-weak-words { min-width: 0; width: 100%; }
  #view-stats #table-weak-words th, #view-stats #table-weak-words td { padding: 8px 4px; font-size: .72rem; }
}
#view-settings .setting-control-col .select-wrapper:has(#setting-language-select) { display: flex; align-items: center; gap: 8px; }
.settings-language-flag img { display: block; width: 22px; height: 22px; }
#setting-language-select { flex: 1; min-width: 0; }

/* Practice: one setup row, centered exercise title, controls where they are used. */
#view-practice .practice-setup-bar { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 12px; max-width: 760px; margin: 0 auto 22px; padding: 14px; border: 1px solid var(--border-subtle); border-radius: 14px; background: var(--bg-surface); }
#view-practice .practice-control, #view-practice .practice-topic-bar { display: grid; gap: 6px; min-width: 0; max-width: none; margin: 0; }
#view-practice .practice-control label { color: var(--text-muted); font-size: .72rem; font-weight: 700; line-height: 1.2; }
#view-practice .practice-control select { display: block; width: 100%; min-width: 0; height: 44px; padding: 0 36px 0 13px; border-radius: 9px; background-color: var(--bg-card); font-size: .86rem; }
#view-practice .practice-topic-bar.hidden { display: none; }
#view-practice .practice-setup-bar:has(.practice-topic-bar.hidden) { grid-template-columns: minmax(0, 1fr); max-width: 390px; }
#view-practice .practice-sub-view > .view-header, #view-practice .drill-header { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; margin: 0 auto 15px; text-align: center; }
#view-practice .practice-sub-view .view-title, #view-practice .practice-section-title { width: 100%; margin: 0 0 14px; text-align: center; font-size: clamp(1.4rem, 3vw, 2rem); line-height: 1.25; }
#view-practice .drill-header .view-title { margin: 0; }
#view-practice .drill-stats-pills { justify-content: center; }
#view-practice .quiz-header { max-width: 760px; }

/* Topic lessons keep one small vocabulary batch visible across exercises. */
.lesson-path { scroll-margin-top: 145px; margin: 0 0 24px; padding: clamp(16px, 3vw, 26px); border: 1px solid var(--border-subtle); border-radius: 16px; background: var(--bg-surface); }
.lesson-path.hidden { display: none; }
.lesson-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.lesson-top h3 { margin: 5px 0; font-size: clamp(1.25rem, 2.5vw, 1.7rem); color: var(--text-main); }
.lesson-top p { margin: 0; color: var(--text-muted); font-size: .86rem; line-height: 1.5; }
.lesson-eyebrow { color: var(--brand-blue); font-size: .73rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.lesson-steps { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 9px; margin: 21px 0 0; }
.lesson-step { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 8px; min-height: 94px; padding: 12px; border: 1px solid var(--border-subtle); border-radius: 12px; background: var(--bg-card); color: var(--text-main); font: inherit; text-align: left; cursor: pointer; }
.lesson-step span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--color-en-bg); color: var(--brand-blue); font-size: .8rem; font-weight: 800; }
.lesson-step strong { font-size: .78rem; line-height: 1.3; }
.lesson-step.done { border-color: var(--brand-blue); }
.lesson-step:disabled { opacity: .45; cursor: default; }
.lesson-path > #lesson-next-batch { margin-top: 16px; }
.theme-lesson-open { display: block; width: 100%; min-height: 43px; margin-top: 9px; border: 1px solid var(--brand-blue); border-radius: 8px; color: #fff; background: var(--brand-blue); font: inherit; font-size: .82rem; font-weight: 750; cursor: pointer; }
.theme-lesson-open:hover { background: var(--brand-blue-hover); }
.theme-card-actions { padding-top: 9px; }
.theme-card-actions .theme-action-btn.btn-theme-flashcards, .theme-card-actions .theme-action-btn.btn-theme-quiz { background: transparent; border-color: var(--border-subtle); color: var(--text-muted); }
.theme-card-actions .theme-action-btn:hover, .lesson-step:not(:disabled):hover { background: var(--color-en-bg); color: var(--text-main); }
.lesson-return { border: 0; padding: 3px 0; color: var(--brand-blue); background: transparent; font: inherit; font-size: .78rem; font-weight: 750; cursor: pointer; }
.course-context-heading { flex-wrap: wrap; }
.reading-completed { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border-subtle); }
.reading-completed > summary { margin-bottom: 16px; color: var(--text-main); font-weight: 750; cursor: pointer; }
.reading-passed { color: #36c99a; font-size: .72rem; font-weight: 800; }
.reading-completed:not([open]) > .reading-grid { display: none; }
#view-practice .practice-main-header { max-width: none; margin: 0 0 14px; justify-content: flex-start; }
#view-practice .practice-main-header .view-title { text-align: left; margin: 0; }
.btn-dont-know { display: block; min-height: 40px; margin: 12px auto 0; }
#btn-dictation-speak { justify-self: start; width: auto; min-height: 44px; border-radius: 9px; }
@media(max-width: 850px) { .lesson-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media(max-width: 520px) { .lesson-top { flex-direction: column; } .lesson-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } .lesson-step { min-height: 76px; } }
#view-practice .quiz-direction-control { display: flex; align-items: center; justify-content: flex-end; gap: 9px; width: 100%; min-height: 0; padding: 0 0 12px; border: 0; border-radius: 0; background: transparent; }
#view-practice .quiz-direction-control label { flex: 0 0 auto; color: var(--text-muted); font-size: .72rem; font-weight: 700; }
#view-practice #quiz-direction-select { display: block; width: min(100%, 205px); height: 36px; padding: 0 30px 0 10px; border-radius: 8px; font-size: .78rem; }
#view-practice .quiz-progress-bar { max-width: 760px; margin: 0 auto 8px; }
@media (max-width: 560px) {
  #view-practice .practice-setup-bar { grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 12px; margin-bottom: 16px; }
  #view-practice .quiz-direction-control { justify-content: space-between; }
  #view-practice #quiz-direction-select { width: min(68%, 220px); }
}
@media (min-width: 341px) and (max-width: 560px) {
  #view-practice .practice-setup-bar { grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); }
  #view-practice .practice-control select { padding-left: 9px; font-size: .77rem; }
}

/* Keep long examples readable without nested scrolling inside a card. */
#view-flashcards .flashcard-viewport { height: clamp(360px, 50dvh, 440px); }
#view-flashcards .flashcard-face { overflow: hidden; gap: 8px; }
#view-flashcards .flashcard-back .card-center { overflow: visible; min-height: 0; justify-content: center; gap: 6px; }
#view-flashcards .flashcard-back .card-russian-word { font-size: clamp(1.22rem, 3vw, 1.85rem); line-height: 1.14; }
#view-flashcards .flashcard-back .card-example-box { width: 100%; padding: 9px 11px; margin: 4px 0 0; }
#view-flashcards .flashcard-back .example-sv { font-size: clamp(.78rem, 1.65vw, .88rem); line-height: 1.3; }
#view-flashcards .flashcard-back .example-ru { font-size: clamp(.72rem, 1.55vw, .8rem); line-height: 1.3; }
#view-flashcards .card-study-translation { display: none; color: var(--brand-blue); font-weight: 700; font-size: clamp(1.15rem, 3vw, 1.55rem); line-height: 1.25; overflow-wrap: anywhere; }
#view-flashcards.study-mode .card-study-translation { display: block; }
#view-flashcards.study-mode #btn-card-hard, #view-flashcards.study-mode #btn-card-easy, #view-flashcards.study-mode #btn-card-flip { display: none; }
#view-flashcards.study-mode .flashcard-actions { grid-template-columns: minmax(0, 1fr); }
#view-flashcards .btn-study-next { min-height: 54px; }
#view-flashcards .btn-study-next.hidden { display: none; }
@media (max-width: 700px) {
  .choice-shortcut, .btn-keyhint, .btn-shortcut, .flashcard-face .flip-hint { display: none !important; }
}

/* Card controls use the same quiet panel and stacked fields as the trainer. */
#view-flashcards .flashcards-header { display: grid; grid-template-columns: minmax(0, 1fr); max-width: 760px; gap: 8px; margin: 0 auto 16px; }
#view-flashcards .filter-controls { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 12px; width: 100%; padding: 14px; border: 1px solid var(--border-subtle); border-radius: 14px; background: var(--bg-surface); }
#view-flashcards .select-theme-wrapper, #view-flashcards .card-set-control { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; width: 100%; height: auto; padding: 0; border: 0; background: transparent; }
#view-flashcards .select-theme-wrapper label, #view-flashcards .card-set-control label { font-size: .72rem; line-height: 1.2; }
#view-flashcards .select-theme-wrapper .select-dropdown, #view-flashcards .card-set-control .select-dropdown { display: block; width: 100%; height: 44px; padding: 0 36px 0 13px; border: 1px solid var(--border-subtle); border-radius: 9px; background-color: var(--bg-card); font-size: .86rem; }
#view-flashcards .card-counter { margin: 0; justify-self: end; }
.card-session-status { max-width: 580px; margin: 0 auto 10px; color: var(--brand-blue); font-weight: 750; text-align: center; }
.card-session-status.hidden, #view-flashcards .btn-card-restart.hidden { display: none; }
#view-flashcards.cards-complete .flashcard-actions { grid-template-columns: minmax(0, 1fr); }
#view-flashcards.cards-complete #btn-card-hard, #view-flashcards.cards-complete #btn-card-flip, #view-flashcards.cards-complete #btn-card-easy { display: none; }
#view-flashcards .btn-card-restart { min-height: 54px; }
.fire-icon, .xp-icon { display: block; width: 23px; height: 23px; flex: 0 0 auto; }
.xp-icon { width: 18px; height: 18px; margin-right: 5px; }
.stats-charts-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 20px 0; }
.stats-chart-card { min-width: 0; }
.chart-description { margin: 3px 0 15px; color: var(--text-muted); font-size: .84rem; line-height: 1.45; }
.daily-chart { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); align-items: end; gap: 8px; height: 176px; }
.daily-chart-day { display: flex; flex-direction: column; align-items: center; justify-content: end; height: 100%; min-width: 0; gap: 5px; color: var(--text-muted); font-size: .72rem; text-align: center; }
.daily-chart-value { color: var(--text-main); font-weight: 750; font-variant-numeric: tabular-nums; }
.daily-chart-track { display: flex; align-items: end; width: min(100%, 36px); height: 118px; border-radius: 7px; background: var(--bg-card); overflow: hidden; }
.daily-chart-fill { width: 100%; min-height: 3px; border-radius: 7px; background: var(--brand-blue); }
.daily-chart-day-label { white-space: nowrap; }
.mastery-chart { display: grid; gap: 12px; padding-top: 7px; }
.mastery-chart-row { display: grid; grid-template-columns: 105px minmax(0, 1fr) 44px; align-items: center; gap: 9px; font-size: .78rem; color: var(--text-muted); }
.mastery-chart-track { height: 12px; border-radius: 20px; background: var(--bg-card); overflow: hidden; }
.mastery-chart-fill { height: 100%; min-width: 2px; border-radius: 20px; }
.mastery-chart-row strong { color: var(--text-main); text-align: right; font-variant-numeric: tabular-nums; }
.friend-add-form { max-width: 460px; }
.friend-add-form label { display: block; margin-bottom: 7px; color: var(--text-muted); font-size: .78rem; font-weight: 700; }
.friend-add-row { display: flex; gap: 8px; }
.friend-add-row input { flex: 1 1 auto; min-width: 0; height: 44px; padding: 0 12px; border: 1px solid var(--border-subtle); border-radius: 9px; color: var(--text-main); background: var(--bg-card); font: inherit; }
.friend-add-row button { flex: 0 0 auto; }
.friends-message { min-height: 20px; margin: 10px 0; color: var(--text-muted); font-size: .81rem; }
.friends-list { display: grid; gap: 9px; }
.friend-row { display: grid; grid-template-columns: minmax(0, 180px) minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 12px; border: 1px solid var(--border-subtle); border-radius: 10px; background: var(--bg-card); }
.friend-name { min-width: 0; overflow-wrap: anywhere; font-weight: 750; }
.friend-stats { min-width: 0; color: var(--text-muted); font-size: .76rem; }
.friend-bars { display: flex; align-items: end; gap: 3px; height: 34px; margin-top: 5px; }
.friend-bars span { display: block; width: 13px; min-height: 2px; border-radius: 3px 3px 0 0; background: var(--brand-blue); }
.friend-actions { display: flex; gap: 6px; }
.friend-actions button { min-height: 34px; padding: 4px 9px; }
@media (max-width: 700px) {
  .stats-charts-grid { grid-template-columns: minmax(0, 1fr); }
  .friend-row { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  #view-flashcards .filter-controls { grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 12px; }
}
@media (min-width: 341px) and (max-width: 560px) {
  #view-flashcards .filter-controls { grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); }
  #view-flashcards .select-theme-wrapper .select-dropdown, #view-flashcards .card-set-control .select-dropdown { padding-left: 9px; font-size: .77rem; }
}

/* The next lesson step focuses on words marked unknown in the check stage. */
.focus-scope { display: flex; width: max-content; max-width: 100%; gap: 4px; margin: -5px auto 12px; padding: 4px; border: 1px solid var(--border-subtle); border-radius: 10px; background: var(--bg-surface); }
.focus-scope.hidden { display: none; }
.focus-scope-btn { min-height: 36px; padding: 6px 13px; border: 0; border-radius: 7px; background: transparent; color: var(--text-muted); font: inherit; font-size: .8rem; font-weight: 750; cursor: pointer; }
.focus-scope-btn.active { background: var(--bg-card); color: var(--text-main); box-shadow: inset 0 0 0 1px var(--border-subtle); }
#view-flashcards.focus-mode .filter-controls { grid-template-columns: minmax(0, 1fr); }
#view-flashcards.focus-mode .card-set-control { display: none; }
.lesson-steps { grid-template-columns: repeat(7, minmax(0, 1fr)); }
@media (max-width: 950px) { .lesson-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 560px) { .lesson-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* A compact donut gives the word progress card a useful focal point. */
.mastery-chart { display: grid; grid-template-columns: 128px minmax(0, 1fr); align-items: center; gap: 14px; min-height: 175px; padding: 8px 0 2px; }
.mastery-ring { display: grid; place-items: center; width: 128px; height: 128px; border-radius: 50%; }
.mastery-ring-center { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 96px; height: 96px; padding: 8px; border-radius: 50%; background: var(--bg-surface); text-align: center; }
.mastery-ring-center strong { color: var(--text-main); font-size: 1.65rem; font-variant-numeric: tabular-nums; line-height: 1.1; }
.mastery-ring-center span { margin-top: 5px; color: var(--text-muted); font-size: .68rem; line-height: 1.2; }
.mastery-legend { display: grid; gap: 14px; min-width: 0; }
.mastery-chart-row { grid-template-columns: minmax(0, 1fr) 32px; gap: 8px; }
.mastery-chart-track { grid-column: 1 / -1; grid-row: 2; }
@media (max-width: 700px) { .mastery-chart { grid-template-columns: minmax(0, 1fr); justify-items: center; } .mastery-legend { width: 100%; } }

/* Show the answer briefly, then move on without a separate Next button. */
#btn-quiz-next { display: none !important; }
#view-practice .quiz-card { animation: quiz-arrive .28s ease both; }
#view-practice .quiz-card.quiz-leaving { animation: quiz-leave .18s ease both; pointer-events: none; }
@keyframes quiz-arrive { from { opacity: .35; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes quiz-leave { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-8px); } }
#view-practice .quiz-option-btn.correct, #view-practice .quiz-option-btn.incorrect { transition: background-color .2s ease, border-color .2s ease, color .2s ease; }

#view-practice .sentence-target-hint { flex-direction: row; align-items: center; justify-content: center; gap: 12px; }
#view-practice #btn-sentence-speak { flex: 0 0 38px; }
@media (prefers-reduced-motion: reduce) { #view-practice .quiz-card, #view-practice .quiz-card.quiz-leaving { animation: none; } }