:root {
  --bg: #f6f3ee;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #202124;
  --muted: #6f6b62;
  --line: #ddd6cc;
  --green: #2f7d5b;
  --green-dark: #225f46;
  --red: #a33d32;
  --blue: #2d5f8f;
  --yellow: #f0bd4f;
  --shadow: 0 18px 45px rgba(41, 37, 31, 0.12);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  overscroll-behavior-y: contain;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

body.preview-device {
  display: grid;
  justify-items: center;
  align-items: start;
  min-height: 100vh;
  padding: 22px;
  background: #d9d2c7;
}

body.preview-device::before {
  content: attr(data-preview-device);
  position: fixed;
  left: 18px;
  top: 14px;
  z-index: 20;
  border: 1px solid rgba(32, 33, 36, 0.16);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--green-dark);
  background: rgba(255, 253, 248, 0.94);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

body.preview-device .app-shell {
  width: min(100%, var(--preview-width));
  min-height: var(--preview-height);
  height: var(--preview-height);
  border: 12px solid #202124;
  border-radius: 28px;
  background: var(--bg);
  box-shadow: 0 22px 54px rgba(32, 33, 36, 0.22);
  overflow: auto;
}

body.preview-phone {
  --preview-width: 390px;
  --preview-height: 760px;
}

body.preview-tablet {
  --preview-width: 768px;
  --preview-height: 900px;
}

body.preview-desktop {
  --preview-width: 1180px;
  --preview-height: 780px;
}

body.preview-phone .app-shell {
  grid-template-columns: 1fr;
}

body.preview-phone .app-nav {
  position: sticky;
  top: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  padding: 8px;
  overflow: visible;
}

body.preview-phone .app-nav-button {
  min-width: 0;
  min-height: 42px;
  padding: 0 7px;
  font-size: 13px;
  white-space: normal;
}

body.preview-phone .lesson-sidebar {
  border-right: 0;
  border-bottom: 1px solid var(--line);
  height: auto;
  max-height: none;
  min-height: calc(var(--preview-height) - 118px);
  padding: 12px;
  overflow: visible;
}

body.preview-phone .screen-lesson .lesson-sidebar,
body.preview-phone .screen-dictionary .lesson-sidebar,
body.preview-phone .screen-mistakes .lesson-sidebar,
body.preview-phone .screen-conversation .lesson-sidebar,
body.preview-phone .screen-account .lesson-sidebar {
  display: none;
}

body.preview-phone .brand-block {
  margin-bottom: 12px;
}

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

body.preview-phone .level-progress {
  gap: 6px;
  margin-bottom: 10px;
}

body.preview-phone .home-overview {
  grid-template-columns: 1fr;
}

body.preview-phone .level-row {
  padding: 6px;
}

body.preview-phone .lesson-list {
  max-height: calc(var(--preview-height) - 445px);
}

body.preview-phone .lesson-workspace {
  gap: 12px;
  padding: 14px;
}

body.preview-phone .app-diagnostics-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 6px 8px;
  padding: 8px;
}

body.preview-phone .app-diagnostics {
  grid-column: 1 / -1;
  max-height: 48px;
  overflow: auto;
  font-size: 12px;
  line-height: 1.35;
}

body.preview-phone .app-diagnostics-panel .section-label {
  margin-bottom: 0;
}

body.preview-phone .diagnostics-reset-button {
  min-height: 30px;
  margin-top: 0;
  font-size: 12px;
}

body.preview-phone .practice-layout,
body.preview-phone .teacher-stage,
body.preview-phone .side-column {
  grid-template-columns: 1fr;
}

body.preview-phone .teacher-stage {
  min-height: 0;
  gap: 16px;
  padding: 14px;
  text-align: center;
}

body.preview-phone .teacher-dialogue p {
  display: none;
  max-width: none;
  font-size: 16px;
}

body.preview-phone .teacher-avatar {
  width: 118px;
  height: 134px;
}

body.preview-phone .teacher-hair {
  left: 24px;
  top: 8px;
  width: 70px;
  height: 50px;
}

body.preview-phone .teacher-face {
  left: 26px;
  top: 22px;
  width: 66px;
  height: 72px;
}

body.preview-phone .teacher-eye {
  top: 27px;
}

body.preview-phone .teacher-eye.left {
  left: 17px;
}

body.preview-phone .teacher-eye.right {
  right: 17px;
}

body.preview-phone .teacher-mouth {
  left: 24px;
  bottom: 18px;
}

body.preview-phone .teacher-body {
  left: 14px;
  width: 90px;
  height: 56px;
}

body.preview-phone h1 {
  font-size: 25px;
}

body.preview-phone .teacher-actions,
body.preview-phone .answer-row,
body.preview-phone .dictionary-actions,
body.preview-phone .progress-metrics {
  align-items: stretch;
  justify-content: center;
}

body.preview-phone .teacher-actions {
  gap: 8px;
}

body.preview-phone #startLessonButton,
body.preview-phone #nextStepButton {
  display: none !important;
}

body.preview-phone #pauseSpeechButton {
  flex: 1 1 120px;
}

body.preview-phone .teacher-actions .primary-button,
body.preview-phone .answer-row .primary-button,
body.preview-phone .dictionary-actions .primary-button {
  flex: 1 1 140px;
}

body.preview-phone .lesson-action-strip {
  position: sticky;
  bottom: 0;
  z-index: 6;
  border: 1px solid rgba(47, 125, 91, 0.16);
  border-radius: 8px;
  padding: 10px;
  background: rgba(255, 253, 248, 0.96);
  box-shadow: 0 -8px 22px rgba(41, 37, 31, 0.08);
}

body.preview-phone .lesson-main-action {
  min-height: 52px;
  font-size: 18px;
}

body.preview-phone .answer-row input {
  flex: 1 1 100%;
}

body.preview-phone .lesson-panel {
  padding: 14px;
}

body.preview-phone .panel-header,
body.preview-phone .progress-band {
  align-items: flex-start;
}

body.preview-phone .practice-prompt {
  min-height: 98px;
  margin: 12px 0;
  padding: 13px;
  font-size: 18px;
}

body.preview-phone .vocabulary-list,
body.preview-phone .student-dictionary-list,
body.preview-phone .conversation-practice-list,
body.preview-phone .mistakes-list {
  max-height: 260px;
}

body.preview-phone .vocab-item,
body.preview-phone .dictionary-item,
body.preview-phone .today-review-item,
body.preview-phone .conversation-practice-item,
body.preview-phone .mistake-contrast,
body.preview-phone .mistake-row {
  grid-template-columns: 1fr;
}

body.preview-phone .dictionary-meta,
body.preview-phone .dictionary-status-actions {
  justify-items: start;
  justify-content: flex-start;
}

body.preview-phone .today-review-item em,
body.preview-phone .conversation-practice-item em,
body.preview-phone .conversation-practice-item b {
  grid-row: auto;
  grid-column: 1;
  width: fit-content;
}

body.preview-phone .mistake-actions {
  align-items: flex-start;
  flex-direction: column;
}

button,
input {
  font: inherit;
}

.app-shell {
  position: relative;
  display: grid;
  grid-template-columns: 300px 1fr;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
  min-height: 100svh;
}

.app-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 84px));
  gap: 6px;
  border-bottom: 1px solid var(--line);
  padding: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) 8px max(8px, env(safe-area-inset-left));
  background: rgba(246, 243, 238, 0.96);
  overflow-x: hidden;
  scrollbar-width: thin;
}

.app-nav-button {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 38px;
  padding: 0 5px;
  color: var(--green-dark);
  background: var(--surface-strong);
  font-weight: 800;
  font-size: 14px;
  white-space: normal;
  cursor: pointer;
}

.app-nav-button.active {
  border-color: var(--green);
  color: #fff;
  background: var(--green);
}

.screen-dictionary,
.screen-mistakes,
.screen-conversation,
.screen-verbs,
.screen-account {
  grid-template-columns: 1fr;
}

.screen-dictionary .lesson-sidebar,
.screen-mistakes .lesson-sidebar,
.screen-conversation .lesson-sidebar,
.screen-verbs .lesson-sidebar,
.screen-account .lesson-sidebar {
  display: none;
}

.screen-home .teacher-stage,
.screen-home .lesson-practice-panel,
.screen-home .dialogue-panel,
.screen-home .conversation-panel,
.screen-home .conversation-practice-panel,
.screen-home .side-column,
.screen-home .mistakes-panel,
.screen-home .verb-trainer-panel,
.screen-home .account-panel {
  display: none;
}

.screen-home .practice-layout,
.screen-lesson .practice-layout,
.screen-dictionary .practice-layout,
.screen-conversation .practice-layout {
  grid-template-columns: 1fr;
}

.screen-home .lesson-sidebar {
  grid-column: 1 / -1;
  height: calc(100vh - 59px);
  height: calc(100svh - 59px);
  border-right: 0;
  padding-inline: clamp(14px, 4vw, 32px);
  overflow: auto;
}

.screen-home {
  grid-template-columns: 1fr;
}

.screen-home .lesson-sidebar > .pet-panel,
.screen-home .lesson-sidebar > .sidebar-section {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
}

.screen-lesson .today-panel,
.screen-lesson .conversation-panel,
.screen-lesson .conversation-practice-panel,
.screen-lesson .side-column,
.screen-lesson .mistakes-panel {
  display: none;
}

.screen-dictionary .teacher-stage,
.screen-dictionary .practice-column,
.screen-dictionary .mistakes-panel,
.screen-dictionary .progress-band {
  display: none;
}

.screen-dictionary .side-column {
  grid-template-columns: 1fr;
}

.screen-dictionary .vocabulary-panel {
  display: none;
}

.screen-dictionary .dictionary-panel {
  grid-column: 1;
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
}

.screen-mistakes .teacher-stage,
.screen-mistakes .practice-layout,
.screen-mistakes .progress-band {
  display: none;
}

.screen-conversation .teacher-stage,
.screen-conversation .lesson-practice-panel,
.screen-conversation .dialogue-panel,
.screen-conversation .today-panel,
.screen-conversation .side-column,
.screen-conversation .mistakes-panel,
.screen-conversation .progress-band {
  display: none;
}

.screen-verbs .teacher-stage,
.screen-verbs .practice-layout,
.screen-verbs .mistakes-panel,
.screen-verbs .account-panel,
.screen-verbs .progress-band {
  display: none;
}

.screen-verbs .verb-trainer-panel {
  display: grid;
}

.screen-account .teacher-stage,
.screen-account .practice-layout,
.screen-account .mistakes-panel,
.screen-account .verb-trainer-panel,
.screen-account .progress-band {
  display: none;
}

.screen-account .account-panel {
  display: grid;
}

.account-panel {
  display: none;
  max-width: 980px;
  width: 100%;
  margin: 0 auto;
  gap: 16px;
}

.verb-trainer-panel {
  display: none;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  gap: 16px;
}

.verb-trainer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.verb-trainer-header h2 {
  margin: 4px 0 0;
}

.verb-trainer-scope,
.verb-trainer-safety {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.verb-trainer-scope span,
.verb-trainer-safety span,
.verb-trainer-chip,
.verb-trainer-examples span,
.verb-trainer-wrong-list span,
.verb-trainer-review-list span {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--green-dark);
  padding: 7px 10px;
  font-weight: 800;
}

.verb-trainer-section {
  display: grid;
  gap: 12px;
}

.verb-trainer-section h3 {
  margin: 0;
}

.verb-trainer-chip-list,
.verb-trainer-examples,
.verb-trainer-wrong-list,
.verb-trainer-review-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.verb-trainer-topic-selector {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.verb-trainer-topic-selector button {
  min-height: 58px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  display: grid;
  gap: 2px;
  align-content: center;
  text-align: left;
  padding: 10px 12px;
  cursor: pointer;
}

.verb-trainer-topic-selector button.active,
.verb-trainer-topic-selector button[aria-pressed="true"] {
  border-color: var(--green-dark);
  background: var(--green-soft);
}

.verb-trainer-topic-selector span {
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
}

.verb-trainer-topic-selector strong {
  font-size: 14px;
  line-height: 1.2;
}

.verb-trainer-chip {
  display: inline-grid;
  gap: 2px;
}

.verb-trainer-chip em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.verb-trainer-count {
  color: var(--green-dark);
}

.verb-trainer-empty {
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  padding: 14px;
  color: var(--muted);
  background: var(--surface);
}

.verb-trainer-rule-grid,
.verb-trainer-summary-grid,
.verb-trainer-progress-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.verb-trainer-rule-grid div,
.verb-trainer-summary-grid div,
.verb-trainer-progress-grid div,
.verb-trainer-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  padding: 14px;
}

.verb-trainer-rule-grid div,
.verb-trainer-summary-grid div,
.verb-trainer-progress-grid div {
  display: grid;
  gap: 6px;
}

.verb-trainer-rule-examples,
.verb-trainer-irregular-examples ul {
  display: grid;
  gap: 6px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.verb-trainer-rule-examples li {
  display: grid;
  gap: 2px;
}

.verb-trainer-rule-examples b {
  color: var(--green-dark);
}

.verb-trainer-rule-examples span {
  color: var(--muted);
}

.verb-trainer-irregular-examples {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  padding: 14px;
}

.verb-trainer-irregular-examples li {
  color: var(--muted);
  font-weight: 800;
}

.verb-trainer-ai-examples {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  padding: 14px;
}

.verb-trainer-ai-examples-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.verb-trainer-ai-examples-actions span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.verb-trainer-ai-examples-button {
  min-height: 42px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: #fff;
  color: var(--green-dark);
  font: inherit;
  font-weight: 900;
  padding: 0 14px;
  cursor: pointer;
}

.verb-trainer-ai-examples-button:disabled {
  cursor: default;
  opacity: 0.7;
}

.verb-trainer-ai-examples-list {
  display: grid;
  gap: 8px;
}

.verb-trainer-ai-examples-list span {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

.verb-trainer-ai-examples-list b {
  color: var(--green-dark);
}

.verb-trainer-ai-examples-list em {
  color: var(--muted);
  font-style: normal;
  font-weight: 800;
}

.verb-trainer-summary-grid strong,
.verb-trainer-progress-grid strong {
  font-size: 22px;
  color: var(--green-dark);
}

.verb-trainer-summary-grid span,
.verb-trainer-progress-grid span,
.verb-trainer-rule-grid span,
.verb-trainer-card small {
  color: var(--muted);
}

.verb-trainer-progress-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.verb-trainer-progress-actions span {
  color: var(--muted);
  font-weight: 800;
}

.verb-trainer-progress-actions .secondary-button {
  min-height: 42px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: #fff;
  color: var(--green-dark);
  font: inherit;
  font-weight: 900;
  padding: 0 14px;
  cursor: pointer;
}

.verb-trainer-progress-hint {
  border-left: 4px solid var(--green);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--muted);
  background: var(--surface);
  font-weight: 800;
}

.verb-trainer-card {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.verb-trainer-progress {
  color: var(--muted);
  font-weight: 800;
}

.verb-trainer-session-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.verb-trainer-session-header strong {
  color: var(--green-dark);
}

.verb-trainer-session-header span {
  color: var(--muted);
  font-weight: 900;
}

.verb-trainer-type-label {
  width: fit-content;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: rgba(47, 125, 91, 0.08);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
  padding: 6px 10px;
}

.verb-trainer-prompt {
  font-size: 18px;
  line-height: 1.35;
}

.verb-trainer-prompt-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.verb-trainer-prompt-grid span {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 9px 10px;
  color: var(--text);
  font-weight: 800;
}

.verb-trainer-prompt-grid b {
  color: var(--green-dark);
}

.verb-trainer-options,
.verb-trainer-answer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.verb-trainer-answer-label {
  flex: 1 0 100%;
  color: var(--green-dark);
  font-size: 15px;
  font-weight: 900;
}

.verb-trainer-options button {
  border: 1px solid var(--green);
  border-radius: 8px;
  background: #fff;
  color: var(--green-dark);
  font-weight: 900;
  padding: 12px 14px;
  cursor: pointer;
  min-height: 48px;
  touch-action: manipulation;
}

.verb-trainer-options button.selected,
.verb-trainer-options button[aria-pressed="true"] {
  border-color: var(--green-dark);
  background: var(--green);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(47, 125, 91, 0.18);
}

.verb-trainer-answer-row input {
  flex: 1 1 260px;
  min-width: 0;
  min-height: 54px;
  border: 2px solid var(--green);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(47, 125, 91, 0.1);
  font: inherit;
  font-size: 17px;
  font-weight: 800;
  padding: 0 14px;
}

.verb-trainer-answer-row input:focus {
  border-color: var(--green-dark);
  outline: none;
  box-shadow: 0 0 0 4px rgba(47, 125, 91, 0.18);
}

.verb-trainer-check-button,
.verb-trainer-next-button {
  min-height: 54px;
  font-weight: 900;
}

.verb-trainer-next-button {
  background: var(--text);
}

.verb-trainer-progress-saved {
  border-left: 4px solid var(--green);
  border-radius: 6px;
  background: var(--surface);
  color: var(--green-dark);
  font-weight: 900;
  padding: 9px 10px;
}

.verb-trainer-wrong-list span,
.verb-trainer-review-list span {
  display: grid;
  gap: 4px;
  text-align: left;
}

.verb-trainer-wrong-list span b,
.verb-trainer-wrong-list span em,
.verb-trainer-review-list span b,
.verb-trainer-review-list span em,
.verb-trainer-review-list span small {
  display: block;
  min-width: 0;
}

.verb-trainer-wrong-list span em,
.verb-trainer-review-list span em,
.verb-trainer-review-list span small {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.verb-trainer-review-list span small {
  color: var(--green-dark);
  font-weight: 900;
}

.account-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.account-header h2,
.account-modal-card h3 {
  margin: 0;
}

.account-status {
  border: 1px solid rgba(47, 125, 91, 0.2);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--green-dark);
  background: #edf6f0;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.account-guest-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(47, 125, 91, 0.18);
  border-radius: 8px;
  padding: 12px;
  background: #f6fbf7;
}

.account-guest-card[hidden] {
  display: none !important;
}

.account-guest-card div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.account-guest-card strong {
  color: var(--green-dark);
  font-size: 16px;
}

.account-guest-card span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.account-menu {
  display: grid;
  gap: 8px;
}

.account-menu-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(47, 125, 91, 0.14);
  border-radius: 8px;
  min-height: 52px;
  padding: 10px 12px;
  color: var(--ink);
  background: rgba(255, 253, 248, 0.82);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.account-menu-row:hover {
  border-color: rgba(47, 125, 91, 0.34);
  background: #f6fbf7;
}

.account-menu-row span {
  font-weight: 900;
}

.account-menu-row em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  font-weight: 800;
  text-align: right;
}

.account-menu-row::after {
  content: "›";
  color: var(--green);
  font-size: 22px;
  font-weight: 900;
}

.account-menu-row.danger span,
.account-menu-row.danger::after {
  color: var(--red);
}

.account-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(32, 33, 36, 0.26);
}

.account-modal[hidden] {
  display: none;
}

.account-modal-card {
  display: grid;
  gap: 14px;
  width: min(100%, 520px);
  max-height: min(82vh, 620px);
  overflow: auto;
  border: 1px solid rgba(47, 125, 91, 0.18);
  border-radius: 8px;
  padding: 16px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.account-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.account-modal-header h3 {
  margin: 0;
}

.account-modal-section {
  display: grid;
  gap: 12px;
}

.account-modal-section[hidden] {
  display: none;
}

.account-modal-section p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.account-action-row,
.account-two-fields {
  display: flex;
  align-items: center;
  gap: 10px;
}

.account-two-fields {
  align-items: stretch;
}

.field-row {
  display: grid;
  gap: 6px;
  flex: 1 1 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.field-row input,
.account-modal-section textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
  color: var(--ink);
  background: var(--surface-strong);
}

.account-modal-section textarea {
  min-height: 104px;
  resize: vertical;
}

.account-auth-view {
  display: grid;
  gap: 12px;
}

.account-auth-view[hidden] {
  display: none;
}

.text-button.account-auth-link {
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 900;
  justify-self: center;
  padding: 6px 8px;
  cursor: pointer;
}

.text-button.account-auth-link:hover {
  text-decoration: underline;
}

.account-verification-note {
  font-size: 12px;
  line-height: 1.35;
}

.app-release-card {
  display: grid;
  gap: 12px;
}

.app-release-card strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
}

.app-download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.app-download-link[hidden],
#checkAppUpdateButton[hidden] {
  display: none;
}

.switch-row {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--green-dark);
  font-weight: 800;
}

.teacher-persona-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.teacher-persona-options button {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 38px;
  padding: 0 11px;
  color: var(--green-dark);
  background: var(--surface-strong);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.teacher-persona-options button.active {
  border-color: var(--green);
  color: #fff;
  background: var(--green);
}

.primary-button.danger {
  border-color: var(--red);
  background: var(--red);
}

.lesson-sidebar {
  display: grid;
  grid-template-rows: auto 1fr;
  border-right: 1px solid var(--line);
  background: #ebe4d8;
  padding: 22px;
  height: 100vh;
  min-height: 0;
  overflow: hidden;
}

.screen-home .lesson-sidebar {
  grid-template-rows: auto 1fr;
  gap: 14px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.screen-home .brand-block {
  margin-bottom: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: var(--red);
  border-radius: 8px;
  font-weight: 800;
}

.brand-title {
  font-size: 18px;
  font-weight: 800;
}

.brand-subtitle,
.section-label {
  color: var(--muted);
  font-size: 13px;
}

.section-label {
  margin-bottom: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.home-overview {
  display: none;
}

.screen-home .home-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 12px;
}

.home-next-card,
.home-today-card {
  border: 1px solid rgba(47, 125, 91, 0.18);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 253, 248, 0.76);
}

.home-next-card {
  display: grid;
  gap: 9px;
}

.home-next-card strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.16;
}

.home-next-card span {
  color: var(--muted);
  font-size: 13px;
}

.home-next-card .primary-button {
  min-height: 42px;
  margin-top: 2px;
}

.home-today-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
}

.home-today-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  align-content: start;
}

.home-action-button {
  min-height: 38px;
  border: 1px solid rgba(47, 125, 91, 0.22);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--green-dark);
  background: #f7fbf8;
  font: inherit;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.home-action-button:hover {
  border-color: var(--green);
  background: #edf6f0;
}

.pet-panel {
  overflow: hidden;
  background: linear-gradient(135deg, #fffdf8 0%, #edf7ef 100%);
}

.pet-panel.pet-bg-happy {
  background: linear-gradient(135deg, #fffdf8 0%, #e8f6ec 58%, #fff4ce 100%);
}

.pet-panel.pet-bg-calm {
  background: linear-gradient(135deg, #fffdf8 0%, #edf7ef 100%);
}

.pet-panel.pet-bg-missed {
  background: linear-gradient(135deg, #fffdf8 0%, #f4eee5 62%, #e9f2ed 100%);
}

.pet-panel.pet-bg-sleepy {
  background: linear-gradient(135deg, #fffdf8 0%, #ece8df 58%, #e8eef1 100%);
}

.pet-panel.pet-bg-light,
.pet-panel.pet-bg-rest {
  background: linear-gradient(135deg, #fffdf8 0%, #f8f1df 56%, #edf7ef 100%);
}

.pet-card {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-width: 0;
}

.pet-avatar {
  position: relative;
  width: 108px;
  height: 92px;
  margin: 0 auto;
  transform-origin: center bottom;
  transition: transform 180ms ease;
}

.pet-body {
  position: absolute;
  left: 8px;
  right: 4px;
  bottom: 4px;
  height: 48px;
  border: 3px solid #5c3b2d;
  border-radius: 30px 34px 26px 26px;
  background: #b98461;
  box-shadow: inset -12px -10px 0 rgba(92, 59, 45, 0.12);
}

.pet-head {
  position: absolute;
  left: 15px;
  top: 10px;
  width: 70px;
  height: 58px;
  border: 3px solid #5c3b2d;
  border-radius: 30px 28px 24px 24px;
  background: #c99571;
}

.pet-ear {
  position: absolute;
  top: -6px;
  width: 17px;
  height: 17px;
  border: 3px solid #5c3b2d;
  border-radius: 50%;
  background: #a87454;
}

.pet-ear.left {
  left: 8px;
}

.pet-ear.right {
  right: 8px;
}

.pet-eye {
  position: absolute;
  top: 20px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2b2521;
}

.pet-eye.left {
  left: 19px;
}

.pet-eye.right {
  right: 19px;
}

.pet-nose {
  position: absolute;
  left: 29px;
  top: 31px;
  width: 11px;
  height: 8px;
  border-radius: 8px;
  background: #5c3b2d;
}

.pet-mouth {
  position: absolute;
  left: 28px;
  top: 41px;
  width: 15px;
  height: 7px;
  border-bottom: 3px solid #7b332e;
  border-radius: 0 0 12px 12px;
}

.pet-accessory {
  position: absolute;
  right: 11px;
  top: 21px;
  width: 20px;
  height: 10px;
  border-radius: 10px 10px 4px 4px;
  background: #2f7d5b;
  opacity: 0;
}

.pet-avatar.baby {
  transform: scale(0.92);
}

.pet-avatar.student {
  transform: scale(1);
}

.pet-avatar.steady {
  transform: scale(1.07);
}

.pet-avatar.traveler {
  transform: scale(1.12);
}

.pet-avatar.student .pet-accessory,
.pet-avatar.steady .pet-accessory,
.pet-avatar.traveler .pet-accessory {
  opacity: 1;
}

.pet-avatar.student .pet-accessory::before {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: -7px;
  height: 7px;
  border-radius: 8px 8px 0 0;
  background: #2f7d5b;
}

.pet-avatar.steady .pet-accessory {
  width: 25px;
  height: 12px;
  background: #7c4d32;
}

.pet-avatar.traveler .pet-accessory {
  top: 17px;
  width: 26px;
  height: 15px;
  background: #d7a536;
}

.pet-avatar.traveler .pet-accessory::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: -7px;
  height: 7px;
  border-radius: 0 0 8px 8px;
  background: #2f7d5b;
}

.pet-avatar.reward-first-goal .pet-body {
  box-shadow: inset -12px -10px 0 rgba(92, 59, 45, 0.12), 0 0 0 5px rgba(215, 165, 54, 0.16);
}

.pet-avatar.reward-streak-3 .pet-accessory {
  background: #2f7d5b;
  opacity: 1;
}

.pet-avatar.reward-streak-7 .pet-accessory {
  top: 15px;
  width: 28px;
  height: 16px;
  background: #7c4d32;
  opacity: 1;
}

.pet-avatar.reward-week-4 .pet-body {
  background: #c18f67;
}

.pet-avatar.reward-xp-60::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #d7a536;
  box-shadow: 0 0 0 6px rgba(215, 165, 54, 0.16);
}

.pet-avatar.happy .pet-head {
  transform: translateY(-2px);
}

.pet-avatar.happy .pet-mouth {
  height: 8px;
  border-bottom-color: #8b2f2a;
}

.pet-avatar.calm .pet-mouth {
  width: 14px;
  border-bottom-color: #5c3b2d;
}

.pet-avatar.sleepy .pet-mouth {
  width: 13px;
  border-bottom-color: #5c3b2d;
  transform: rotate(180deg);
}

.pet-avatar.sleepy .pet-eye {
  height: 3px;
  border-radius: 3px;
}

.pet-avatar.missed .pet-head {
  transform: translateY(3px);
}

.pet-avatar.missed .pet-mouth {
  width: 12px;
  border-bottom-color: #5c3b2d;
}

.pet-copy {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.pet-card > *,
.pet-copy > * {
  min-width: 0;
}

.pet-copy h2,
.pet-copy p,
.pet-action-reason,
.pet-meta {
  overflow-wrap: anywhere;
}

.pet-copy .section-label {
  margin-bottom: 0;
}

.pet-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.16;
}

.pet-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.38;
}

.pet-action-reason {
  border-left: 3px solid rgba(47, 125, 91, 0.45);
  padding-left: 8px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.28;
}

.pet-daily-goal {
  display: grid;
  gap: 5px;
  padding: 8px;
  border: 1px solid rgba(47, 125, 91, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
}

.pet-daily-goal span {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}

.pet-daily-goal.completed {
  border-color: rgba(215, 165, 54, 0.42);
  background: rgba(255, 248, 225, 0.74);
}

.pet-goal-bar {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(47, 125, 91, 0.13);
}

.pet-goal-bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: #2f7d5b;
  transition: width 180ms ease;
}

.pet-daily-goal.completed .pet-goal-bar i {
  background: #d7a536;
}

.pet-weekly-goal {
  display: grid;
  gap: 5px;
  padding: 8px;
  border: 1px solid rgba(125, 87, 47, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.56);
}

.pet-weekly-goal span {
  color: #6b4b2f;
  font-size: 13px;
  font-weight: 800;
}

.pet-weekly-goal.completed {
  border-color: rgba(47, 125, 91, 0.36);
  background: rgba(237, 247, 239, 0.78);
}

.pet-week-bar {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(125, 87, 47, 0.13);
}

.pet-week-bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: #9a6b42;
  transition: width 180ms ease;
}

.pet-weekly-goal.completed .pet-week-bar i {
  background: #2f7d5b;
}

.pet-week-trail {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 4px;
}

.pet-day {
  height: 9px;
  border-radius: 999px;
  background: rgba(111, 107, 98, 0.18);
}

.pet-day.active {
  background: #2f7d5b;
}

.pet-day.today {
  box-shadow: 0 0 0 2px rgba(215, 165, 54, 0.42);
}

.pet-rewards {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 24px;
}

.pet-reward {
  border: 1px solid rgba(47, 125, 91, 0.2);
  border-radius: 999px;
  padding: 3px 7px;
  color: var(--green-dark);
  background: rgba(237, 247, 239, 0.82);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.pet-reward.locked {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.58);
}

.pet-reward.first-goal,
.pet-reward.week-4,
.pet-reward.xp-60 {
  border-color: rgba(215, 165, 54, 0.45);
  background: rgba(255, 248, 225, 0.8);
}

.pet-event {
  border: 1px solid rgba(47, 125, 91, 0.14);
  border-radius: 8px;
  padding: 7px 8px;
  color: #5b4a38;
  background: rgba(255, 253, 248, 0.62);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.28;
}

.pet-progress {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(47, 125, 91, 0.15);
}

.pet-progress i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #2f7d5b, #d7a536);
  transition: width 180ms ease;
}

.pet-meta {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}

.pet-copy .primary-button {
  min-height: 40px;
}

.sidebar-section {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
}

.lesson-list {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 0;
  overflow-y: auto;
  padding-right: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--green) #d8cfc1;
}

.level-progress {
  display: grid;
  gap: 8px;
  margin: 0 0 14px;
}

.level-block {
  display: grid;
  gap: 8px;
}

.level-row {
  display: grid;
  gap: 5px;
  width: 100%;
  border: 1px solid rgba(47, 125, 91, 0.18);
  border-radius: 8px;
  padding: 8px;
  color: inherit;
  background: rgba(255, 253, 248, 0.58);
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.level-row.current {
  border-color: rgba(47, 125, 91, 0.46);
  background: #edf6f0;
}

.level-row.selected {
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px rgba(47, 125, 91, 0.22);
}

.level-row:hover {
  border-color: var(--green);
  background: var(--surface-strong);
}

.level-row > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.level-row strong {
  color: var(--green-dark);
}

.level-bar {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: #d8cfc1;
}

.level-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.level-route {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.25;
}

.level-route em {
  grid-column: 1 / -1;
  color: var(--green-dark);
  font-style: normal;
  font-weight: 800;
}

.lesson-list::-webkit-scrollbar {
  width: 9px;
}

.lesson-list::-webkit-scrollbar-track {
  background: #d8cfc1;
  border-radius: 999px;
}

.lesson-list::-webkit-scrollbar-thumb {
  background: var(--green);
  border-radius: 999px;
}

.lesson-list-empty {
  border: 1px dashed rgba(47, 125, 91, 0.24);
  border-radius: 8px;
  padding: 14px;
  color: var(--muted);
  background: rgba(255, 253, 248, 0.48);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.level-lesson-list {
  display: grid;
  gap: 8px;
  max-height: 380px;
  overflow-y: auto;
  padding: 0 4px 4px 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--green) #d8cfc1;
}

.level-lesson-list::-webkit-scrollbar {
  width: 8px;
}

.level-lesson-list::-webkit-scrollbar-track {
  background: #d8cfc1;
  border-radius: 999px;
}

.level-lesson-list::-webkit-scrollbar-thumb {
  background: var(--green);
  border-radius: 999px;
}

.lesson-item {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
  text-align: left;
  cursor: pointer;
}

.lesson-item:hover,
.lesson-item.active,
.lesson-item.current {
  border-color: var(--green);
  background: var(--surface-strong);
}

.lesson-item.completed {
  border-color: rgba(47, 125, 91, 0.26);
  background: #edf6f0;
}

.lesson-item.locked {
  opacity: 0.58;
  cursor: not-allowed;
}

.lesson-item.locked:hover {
  border-color: transparent;
  background: rgba(255, 255, 255, 0.55);
}

.lesson-item strong {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
}

.cefr-badge {
  display: inline-grid;
  place-items: center;
  min-width: 30px;
  margin-right: 7px;
  border-radius: 999px;
  padding: 2px 6px;
  color: #fff;
  background: var(--green);
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
}

.cefr-badge.a2 {
  background: var(--blue);
}

.cefr-badge.b1 {
  background: #7a5a17;
}

.cefr-badge.b2 {
  background: var(--red);
}

.lesson-item span {
  color: var(--muted);
  font-size: 12px;
}

.lesson-state {
  display: inline-flex;
  margin-top: 7px;
  border-radius: 999px;
  padding: 2px 7px;
  color: var(--green-dark);
  background: rgba(47, 125, 91, 0.12);
  font-size: 11px;
  font-weight: 800;
}

.lesson-workspace {
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  gap: 18px;
  padding: 24px max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  min-width: 0;
}

.app-diagnostics-panel {
  border: 1px solid rgba(45, 95, 143, 0.2);
  border-radius: 8px;
  padding: 10px 12px;
  background: #eef5fb;
}

.app-diagnostics-panel[hidden] {
  display: none !important;
}

.app-diagnostics {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.app-diagnostics.error {
  color: var(--red);
}

.diagnostics-reset-button {
  border: 1px solid rgba(45, 95, 143, 0.24);
  border-radius: 8px;
  min-height: 32px;
  margin-top: 8px;
  padding: 0 10px;
  color: var(--blue);
  background: #fff;
  font-weight: 800;
  cursor: pointer;
}

.teacher-stage {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  align-items: center;
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.teacher-presence {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.teacher-avatar {
  position: relative;
  width: 150px;
  height: 170px;
  margin: 0 auto;
}

.teacher-hair {
  position: absolute;
  left: 31px;
  top: 10px;
  width: 88px;
  height: 64px;
  border-radius: 44px 44px 24px 24px;
  background: #38312a;
}

.teacher-face {
  position: absolute;
  left: 35px;
  top: 28px;
  width: 80px;
  height: 88px;
  border-radius: 38px;
  background: #efc39f;
  border: 3px solid #38312a;
}

.teacher-eye {
  position: absolute;
  top: 34px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #222;
}

.teacher-eye.left {
  left: 22px;
}

.teacher-eye.right {
  right: 22px;
}

.teacher-mouth {
  position: absolute;
  left: 30px;
  bottom: 22px;
  width: 20px;
  height: 6px;
  border-radius: 0 0 12px 12px;
  background: #8f332d;
  transition: height 120ms ease;
}

.teacher-avatar.speaking .teacher-mouth {
  animation: talk 420ms infinite;
}

.teacher-avatar.listening .teacher-eye {
  transform: scaleY(0.62);
}

.teacher-avatar.correcting .teacher-face {
  border-color: var(--red);
}

.teacher-avatar.correcting .teacher-mouth {
  width: 24px;
  height: 8px;
  background: var(--red);
}

.teacher-avatar.paused {
  opacity: 0.58;
}

.teacher-body {
  position: absolute;
  left: 20px;
  bottom: 0;
  width: 110px;
  height: 70px;
  border-radius: 38px 38px 8px 8px;
  background: var(--blue);
  border: 3px solid #26384a;
}

.teacher-mood {
  display: inline-grid;
  place-items: center;
  min-width: 106px;
  min-height: 30px;
  border: 1px solid rgba(47, 125, 91, 0.24);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--green-dark);
  background: #edf6f0;
  font-size: 13px;
  font-weight: 800;
}

@keyframes talk {
  0%,
  100% {
    height: 5px;
  }
  50% {
    height: 17px;
  }
}

.lesson-kicker {
  color: var(--green-dark);
  font-weight: 800;
}

.teacher-dialogue .lesson-kicker,
.teacher-dialogue p {
  display: none;
}

.screen-lesson .lesson-workspace {
  position: absolute;
  z-index: 30;
  top: 70px;
  right: 18px;
  bottom: 18px;
  left: 18px;
  width: auto;
  max-width: 980px;
  margin: 0 auto;
  grid-template-rows: auto auto auto;
  overflow-y: auto;
  border: 1px solid rgba(47, 125, 91, 0.2);
  border-radius: 12px;
  background: var(--bg);
  box-shadow: 0 22px 70px rgba(32, 33, 36, 0.22);
}

.lesson-window-bar {
  display: none;
}

.screen-lesson .lesson-window-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(47, 125, 91, 0.16);
  background: rgba(255, 253, 248, 0.96);
  backdrop-filter: blur(8px);
}

.lesson-window-button {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(47, 125, 91, 0.24);
  border-radius: 999px;
  background: #ffffff;
  color: var(--green-dark);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}

.lesson-window-button.close {
  font-size: 24px;
}

.lesson-window-button:disabled {
  opacity: 0.35;
  cursor: default;
}

.lesson-flow-label {
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.screen-lesson .teacher-stage {
  grid-template-columns: minmax(120px, 150px) minmax(0, 1fr);
  min-height: 0;
  padding: 20px;
}

.screen-lesson .teacher-dialogue {
  min-width: 0;
}

.screen-lesson .teacher-dialogue h1 {
  margin-bottom: 0;
}

.screen-lesson .teacher-mood {
  display: none;
}

.screen-lesson .teacher-actions {
  margin-top: 14px;
}

.screen-lesson #startLessonButton,
.screen-lesson #nextStepButton {
  display: none !important;
}

.screen-lesson #pauseSpeechButton,
.screen-lesson #speakButton,
.screen-lesson #questionButton,
.screen-lesson #checkButton {
  display: none !important;
}

.screen-lesson .practice-layout {
  gap: 12px;
}

.screen-lesson .lesson-practice-panel {
  border-color: rgba(47, 125, 91, 0.26);
  background: #fffdf8;
  box-shadow: 0 14px 34px rgba(38, 56, 74, 0.08);
}


.lesson-book-panel {
  display: grid;
  gap: 14px;
  border-color: rgba(47, 125, 91, 0.22);
  background: linear-gradient(90deg, #fffdf8 0%, #fffaf0 48%, #f8efe1 49%, #fffdf8 51%, #fffaf0 100%);
  box-shadow: 0 16px 34px rgba(38, 56, 74, 0.08);
  perspective: 1100px;
}

.lesson-book-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.lesson-book-head h2 {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 22px;
}

.lesson-book-counter {
  min-width: 46px;
  border-radius: 8px;
  padding: 6px 8px;
  color: var(--green-dark);
  background: #e1f0e8;
  text-align: center;
  font-size: 13px;
  font-weight: 900;
}

.lesson-book-page {
  min-height: 170px;
  border: 1px solid rgba(173, 143, 91, 0.25);
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.74);
  transform-origin: center left;
  transition: transform 160ms ease, opacity 160ms ease;
  will-change: transform;
}

.lesson-book-page.dragging {
  cursor: grabbing;
  transition: none;
}

.lesson-book-page.turning-next {
  animation: lessonBookTurnNext 220ms ease;
}

.lesson-book-page.turning-prev {
  animation: lessonBookTurnPrev 220ms ease;
}

.lesson-book-page p {
  margin: 0;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.5;
}

.lesson-book-page ul {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.42;
}

.lesson-book-page li {
  padding: 4px 0;
}

.lesson-book-self-check-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.lesson-book-self-check-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, auto);
  gap: 10px;
  align-items: center;
  border: 1px solid rgba(173, 143, 91, 0.2);
  border-radius: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.56);
}

.lesson-book-self-check-prompt {
  min-width: 0;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.35;
}

.lesson-book-answer-toggle {
  display: inline-flex;
  min-height: 38px;
  min-width: 150px;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(47, 125, 91, 0.28);
  border-radius: 8px;
  padding: 7px 10px;
  color: var(--green-dark);
  background: #edf6f0;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.lesson-book-answer-label {
  flex: 0 0 auto;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.lesson-book-answer-text {
  min-width: 74px;
  max-width: 220px;
  overflow-wrap: anywhere;
  color: rgba(47, 80, 60, 0.34);
  filter: blur(5px);
  text-shadow: 0 0 9px rgba(47, 125, 91, 0.72);
  user-select: none;
  transition: color 140ms ease, filter 140ms ease, text-shadow 140ms ease;
}

.lesson-book-answer-toggle[aria-pressed="true"] .lesson-book-answer-label {
  display: none;
}

.lesson-book-answer-toggle[aria-pressed="true"] .lesson-book-answer-text {
  max-width: none;
  color: var(--green-dark);
  filter: none;
  text-shadow: none;
  user-select: text;
}

.lesson-book-controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
}

.lesson-book-controls .primary-button {
  min-height: 40px;
  padding: 0 14px;
}

.lesson-book-control-spacer {
  min-width: 84px;
}

.lesson-book-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.lesson-book-dots button {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 999px;
  background: rgba(47, 125, 91, 0.24);
  cursor: pointer;
}

.lesson-book-dots button.active {
  background: var(--green-dark);
}

.lesson-book-complete-button {
  width: 100%;
}

.lesson-book-complete-stack {
  display: grid;
  gap: 10px;
}

.lesson-book-complete-note {
  border: 1px solid rgba(47, 125, 91, 0.24);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--green-dark);
  background: #edf6f0;
  text-align: center;
  font-weight: 900;
}

.lesson-book-next-button {
  width: 100%;
}

@keyframes lessonBookTurnNext {
  0% {
    opacity: 0.74;
    transform: translateX(42px) rotateY(-16deg);
  }
  100% {
    opacity: 1;
    transform: translateX(0) rotateY(0);
  }
}

@keyframes lessonBookTurnPrev {
  0% {
    opacity: 0.74;
    transform: translateX(-42px) rotateY(16deg);
  }
  100% {
    opacity: 1;
    transform: translateX(0) rotateY(0);
  }
}

body.preview-phone .lesson-book-controls,
body.preview-tablet .lesson-book-controls {
  grid-template-columns: 1fr;
}

body.preview-phone .lesson-book-controls [data-lesson-book-action="prev"],
body.preview-phone .lesson-book-controls [data-lesson-book-action="next"],
body.preview-phone .lesson-book-control-spacer,
body.preview-tablet .lesson-book-controls [data-lesson-book-action="prev"],
body.preview-tablet .lesson-book-controls [data-lesson-book-action="next"],
body.preview-tablet .lesson-book-control-spacer {
  display: none;
}

body.preview-phone .lesson-book-page,
body.preview-tablet .lesson-book-page {
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
}

body.preview-phone .lesson-book-self-check-item,
body.preview-tablet .lesson-book-self-check-item {
  grid-template-columns: 1fr;
}

body.preview-phone .lesson-book-answer-toggle,
body.preview-tablet .lesson-book-answer-toggle {
  width: 100%;
}

.screen-lesson .lesson-practice-panel > .panel-header {
  display: none;
}

.screen-lesson .practice-prompt:empty {
  display: none;
}

.practice-dialogue-panel {
  margin-top: 6px;
  border-top: 1px solid var(--line);
  padding-top: 6px;
  background: #f9f5ed;
}

.practice-dialogue-panel .panel-header {
  display: none;
}

.practice-dialogue-panel .dialogue-log {
  margin-top: 0;
  max-height: 210px;
}

.voice-action-row {
  display: grid;
  margin-top: 12px;
}

.voice-action-button {
  min-height: 44px;
  border: 1px solid rgba(47, 125, 91, 0.28);
  border-radius: 8px;
  padding: 0 14px;
  color: var(--green-dark);
  background: #eaf4ee;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.voice-action-button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.voice-action-button:hover:not(:disabled) {
  border-color: var(--green);
  background: #dcefe3;
}

.screen-lesson .dialogue-log {
  max-height: 260px;
}

.screen-lesson .progress-band {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #f7f2ea;
  box-shadow: none;
  justify-content: center;
}

.screen-lesson .progress-band .mastery-head,
.screen-lesson .progress-band .section-label {
  display: none;
}

.mastery-list {
  display: grid;
  gap: 8px;
  width: 100%;
}

.mastery-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  border-left: 4px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  background: #f7f2ea;
}

.mastery-item.review {
  border-left-color: var(--red);
  background: #fff7f5;
}

.mastery-item.known {
  border-left-color: var(--green);
  background: #eef7f2;
}

.mastery-item strong,
.mastery-item span {
  display: block;
}

.mastery-item strong {
  color: var(--blue);
  font-size: 13px;
}

.mastery-item span,
.mastery-reason {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.mastery-reason {
  margin: 4px 0 0;
  color: #4c3b35;
  font-weight: 800;
}

.mastery-meta {
  display: grid;
  justify-items: end;
  align-items: start;
}

.mastery-meta small {
  border-radius: 999px;
  padding: 3px 7px;
  color: var(--green-dark);
  background: rgba(47, 125, 91, 0.12);
  font-size: 11px;
  font-weight: 900;
}

.screen-lesson .progress-metrics {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: nowrap;
  width: 100%;
}

.screen-lesson .progress-metrics div {
  min-width: 58px;
  flex: 1 1 0;
  max-width: 120px;
  padding: 5px 7px;
}

.screen-lesson .progress-metrics strong {
  font-size: 15px;
}

.screen-lesson .progress-metrics span {
  font-size: 10px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: 32px;
  line-height: 1.12;
}

h2 {
  margin-bottom: 0;
  font-size: 17px;
}

.teacher-actions,
.answer-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.lesson-action-strip {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}

.lesson-main-action {
  width: 100%;
  min-height: 48px;
  font-size: 17px;
}

.lesson-action-hint {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.primary-button,
.icon-button {
  border: 0;
  border-radius: 8px;
  min-height: 42px;
  cursor: pointer;
  touch-action: manipulation;
}

.primary-button {
  padding: 0 18px;
  color: #fff;
  background: var(--green);
  font-weight: 800;
}

.primary-button:hover {
  background: var(--green-dark);
}

.primary-button.secondary {
  color: var(--green-dark);
  background: #dcece4;
}

.primary-button.secondary:hover {
  background: #c9e2d6;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 42px;
  flex: 0 0 42px;
  color: var(--ink);
  background: #eadfce;
  font-weight: 900;
}

.practice-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 18px;
  min-height: 0;
}

.practice-column {
  display: grid;
  align-content: start;
  gap: 14px;
  min-width: 0;
}

.side-column {
  display: grid;
  align-content: start;
  gap: 14px;
  min-width: 0;
}

.lesson-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  padding: 18px;
  overflow: hidden;
}

.panel-header,
.progress-band {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.step-counter {
  min-width: 52px;
  border-radius: 8px;
  padding: 6px 8px;
  color: var(--green-dark);
  background: #e1f0e8;
  text-align: center;
  font-weight: 800;
}

.practice-prompt {
  min-height: 130px;
  margin: 18px 0;
  border-left: 4px solid var(--yellow);
  padding: 16px;
  background: #fff8e7;
  font-size: 22px;
  line-height: 1.35;
}

.dictionary-card-area {
  display: grid;
  place-items: center;
  min-height: 380px;
}

.dictionary-card {
  width: min(100%, 360px);
  height: 360px;
  cursor: grab;
  perspective: 1000px;
  touch-action: pan-y;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.dictionary-card:active {
  cursor: grabbing;
}

.dictionary-card.swiped-left {
  transform: translateX(-130%) rotate(-14deg) !important;
  opacity: 0;
}

.dictionary-card.swiped-right {
  transform: translateX(130%) rotate(14deg) !important;
  opacity: 0;
}

.dictionary-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.42s ease;
  transform-style: preserve-3d;
}

.dictionary-card.is-flipped .dictionary-card-inner {
  transform: rotateY(180deg);
}

.dictionary-card-face {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 8px;
  border: 1px solid rgba(47, 125, 91, 0.18);
  border-radius: 14px;
  padding: 14px;
  background: #fffdf8;
  box-shadow: 0 14px 32px rgba(43, 38, 31, 0.12);
  text-align: center;
  backface-visibility: hidden;
  overflow: hidden;
}

.dictionary-card-audio {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(47, 125, 91, 0.26);
  border-radius: 999px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(43, 38, 31, 0.12);
}

.dictionary-card-audio:active {
  transform: scale(0.96);
}

.dictionary-card-back {
  transform: rotateY(180deg);
  background: #f4fbf7;
}

.dictionary-card.retry .dictionary-card-back {
  background: #fff5f2;
}

.dictionary-card-art {
  width: 100%;
  max-width: 220px;
}

.dictionary-card-back .dictionary-card-art {
  max-width: 150px;
}

.dictionary-card-svg {
  display: block;
  width: 100%;
  height: auto;
}

.dictionary-card-direction {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.dictionary-card strong {
  color: var(--ink);
  font-size: clamp(28px, 6vw, 42px);
  line-height: 1.05;
}

.dictionary-card-result {
  border-radius: 999px;
  padding: 6px 12px;
  color: #fff;
  background: var(--green);
  font-size: 14px;
  font-weight: 900;
}

.dictionary-card.retry .dictionary-card-result {
  background: var(--red);
}

.dictionary-card-answer {
  display: grid;
  gap: 5px;
  width: min(100%, 280px);
  max-height: 190px;
  color: var(--ink);
  text-align: center;
  overflow: hidden;
}

.dictionary-card-word {
  display: block;
  line-height: 1.05;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.dictionary-card-word.ru {
  color: var(--ink);
  font-size: clamp(22px, 5.5vw, 32px);
  font-weight: 900;
}

.dictionary-card-word.es {
  color: var(--green-dark);
  font-size: clamp(26px, 6.5vw, 36px);
  font-weight: 900;
}

.dictionary-card-example {
  display: block;
  border-radius: 8px;
  padding: 5px 7px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.dictionary-card-example.es {
  color: var(--blue);
  background: #eef5fb;
  font-size: 14px;
  font-weight: 800;
}

.dictionary-card-example.ru {
  color: var(--muted);
  background: #f7f2ea;
  font-size: 12px;
  font-weight: 700;
}

.dictionary-card small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.current-goal {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  min-height: 32px;
  margin-top: 12px;
  border: 1px solid rgba(45, 95, 143, 0.2);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--blue);
  background: #eef5fb;
  font-size: 13px;
  font-weight: 800;
}

.answer-row input {
  flex: 1 1 240px;
  min-width: 0;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
}

.feedback {
  min-height: 28px;
  margin-top: 14px;
  color: var(--muted);
  font-weight: 700;
}

.speech-status {
  min-height: 22px;
  margin-top: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.feedback.good {
  color: var(--green-dark);
}

.feedback.retry {
  color: var(--red);
}

.vocabulary-list {
  display: grid;
  gap: 8px;
  max-height: 300px;
  margin-top: 16px;
  overflow-y: auto;
  padding-right: 4px;
}

.vocab-item {
  display: grid;
  grid-template-columns: minmax(110px, 0.85fr) minmax(120px, 1fr);
  gap: 10px;
  border-bottom: 1px solid #eee7dc;
  padding: 8px 0;
}

.vocab-item strong {
  color: var(--blue);
}

.vocab-item strong em {
  display: inline-block;
  margin-left: 6px;
  border-radius: 999px;
  padding: 1px 6px;
  color: var(--green-dark);
  background: #dcefe3;
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
  vertical-align: middle;
}

.vocab-item span {
  color: #504c45;
}

.dictionary-panel {
  min-height: 0;
}

.dictionary-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.dictionary-actions .primary-button {
  min-height: 36px;
  padding: 0 12px;
}

.custom-dictionary-panel {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.folder-entry-button {
  width: 100%;
  min-height: 40px;
  border: 1px solid rgba(47, 125, 91, 0.24);
  border-radius: 8px;
  background: #f7fbf8;
  color: var(--green-dark);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.custom-folder-list-view,
.custom-folder-detail-view,
.custom-folder-modal-layout {
  min-height: 300px;
}

.custom-folder-list-view[hidden],
.custom-folder-detail-view[hidden] {
  display: none !important;
}

.custom-folder-list-column,
.custom-folder-content {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 10px;
}

.custom-folder-list-header,
.custom-folder-content-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}

.custom-folder-content-header h4 {
  flex: 1 1 auto;
}

.custom-folder-list-header span,
.custom-folder-content-header h4 {
  margin: 0;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 900;
}

.custom-add-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  cursor: pointer;
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
}

.custom-add-button:active {
  transform: translateY(1px);
}

.custom-folder-row,
.custom-card-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.custom-card-form {
  grid-template-columns: minmax(0, 1fr) auto;
}

.custom-card-form input,
.custom-folder-row input {
  min-width: 0;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  font: inherit;
}

.custom-card-form #customRussianWord,
.custom-card-form .custom-example-options,
.custom-card-form .custom-main-dictionary-toggle,
.custom-card-form #saveCustomCardButton {
  grid-column: 1 / -1;
}

.custom-main-dictionary-toggle {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}

.custom-main-dictionary-toggle input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--green);
}

.custom-folder-list,
.custom-example-options {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.custom-folder-list {
  max-height: min(56vh, 430px);
  overflow-y: auto;
  overflow-x: hidden;
  flex-direction: column;
  padding-right: 4px;
}

.custom-folder-list button,
.custom-example-options button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
  color: var(--green-dark);
  cursor: pointer;
  font-weight: 800;
}

.custom-folder-row-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px;
  gap: 6px;
  align-items: center;
}

.custom-folder-row-item > button[data-user-folder] {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 10px;
  font-size: 12px;
  text-align: left;
}

.custom-folder-delete-button {
  width: 34px;
  min-height: 34px;
  padding: 0;
  color: #9d3a31 !important;
  background: #fff7f4 !important;
}

.custom-folder-row-item.active > button[data-user-folder],
.custom-folder-row-item.selected > button[data-user-folder],
.custom-example-options button.active {
  border-color: var(--green);
  background: #eaf4ee;
}

.custom-example-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.custom-example-options button {
  display: grid;
  gap: 4px;
  min-height: 74px;
  padding: 8px;
  text-align: left;
}

.custom-example-options strong,
.custom-example-options span {
  display: block;
  overflow-wrap: anywhere;
}

.custom-example-options strong {
  color: var(--blue);
  font-size: 13px;
}

.custom-modal[hidden] {
  display: none !important;
}

.custom-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(28, 34, 31, 0.42);
}

.custom-modal-card {
  width: min(100%, 680px);
  max-height: min(720px, calc(100vh - 36px));
  overflow: auto;
  display: grid;
  gap: 12px;
  border: 1px solid rgba(47, 125, 91, 0.2);
  border-radius: 10px;
  padding: 14px;
  background: #fffdf8;
  box-shadow: 0 18px 50px rgba(30, 46, 38, 0.22);
}

.custom-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.custom-modal-header h3 {
  margin: 0;
  color: var(--green-dark);
  font-size: 18px;
}

.custom-folder-cards {
  display: grid;
  gap: 8px;
  max-height: min(56vh, 430px);
  overflow-y: auto;
  padding-right: 4px;
}

.custom-folder-card {
  display: grid;
  gap: 3px;
  border: 1px solid rgba(47, 125, 91, 0.16);
  border-radius: 8px;
  padding: 9px 10px;
  background: #fff;
}

.custom-folder-card strong {
  color: var(--blue);
  font-size: 16px;
}

.custom-folder-card span {
  color: var(--muted);
  font-size: 13px;
}

.course-catalog-modal-card {
  max-width: min(620px, calc(100vw - 24px));
}

.course-catalog-levels {
  margin-bottom: 10px;
}

.course-catalog-category-list {
  display: grid;
  gap: 8px;
  max-height: min(56vh, 430px);
  overflow: auto;
  padding-right: 4px;
  margin-bottom: 12px;
}

.course-catalog-category-list[hidden] {
  display: none !important;
}

.course-catalog-category-list button {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
}

.course-catalog-category-list button.active {
  border-color: var(--green);
  background: rgba(47, 125, 91, 0.08);
}

.course-catalog-category-list strong,
.course-catalog-category-list span {
  display: block;
}

.course-catalog-category-list span {
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

.course-catalog-category-list em {
  display: block;
  margin-top: 4px;
  color: var(--green-dark);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.course-catalog-folder-progress {
  height: 7px;
  margin-top: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #edf1eb;
}

.course-catalog-folder-progress i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #2f7d5b, #79b88c);
}

.course-catalog-card-area {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.course-catalog-folder-hint,
.course-catalog-stack-label {
  width: min(360px, 100%);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.course-catalog-stack-label.top {
  background: rgba(47, 125, 91, 0.08);
}

.course-catalog-stack-label.bottom {
  background: rgba(44, 62, 80, 0.06);
}

.course-catalog-back-button {
  justify-self: start;
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 34px;
  padding: 0 12px;
  color: var(--green-dark);
  background: #fffdf8;
  font-weight: 800;
  cursor: pointer;
}

.course-catalog-deck-label {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  width: min(300px, 88%);
  min-height: 48px;
  border: 1px solid rgba(47, 125, 91, 0.22);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--green-dark);
  background: #edf6f0;
  box-shadow:
    0 5px 0 rgba(47, 125, 91, 0.16),
    0 10px 0 rgba(47, 125, 91, 0.08);
}

.course-catalog-deck-label.known {
  border-color: rgba(44, 62, 80, 0.18);
  color: var(--blue);
  background: #eef5fb;
  box-shadow:
    0 5px 0 rgba(45, 95, 143, 0.14),
    0 10px 0 rgba(45, 95, 143, 0.07);
}

.course-catalog-deck-label.warning {
  border-color: rgba(143, 98, 59, 0.35);
  background: #fff4df;
  color: #7a5a17;
}

.course-catalog-deck-label.blocked {
  border-color: rgba(157, 58, 49, 0.35);
  background: #fff0ec;
  color: #9d3a31;
}

.course-catalog-deck-label strong,
.course-catalog-deck-label span {
  position: relative;
  z-index: 1;
}

.course-catalog-card {
  width: min(360px, 100%);
  min-height: 300px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 18px;
  box-shadow: 0 12px 28px rgba(28, 39, 35, 0.12);
  touch-action: none;
  user-select: none;
  cursor: grab;
  display: grid;
  gap: 9px;
  align-content: center;
  transition: transform 0.14s ease, opacity 0.14s ease;
}

.course-catalog-card:active {
  cursor: grabbing;
}

.course-catalog-card.swiped-up,
.course-catalog-card.swiped-down {
  opacity: 0;
}

.course-catalog-card.missing-translation {
  background: #fff8f2;
}

.course-catalog-card.in-dictionary {
  border-color: rgba(47, 125, 91, 0.45);
}

.course-catalog-limit-card {
  display: grid;
  place-items: center;
  gap: 10px;
  width: min(360px, 100%);
  min-height: 300px;
  border: 2px solid rgba(160, 72, 56, 0.22);
  border-radius: 10px;
  padding: 24px;
  background: #fff6f3;
  color: #7a332b;
  text-align: center;
  box-shadow: 0 12px 28px rgba(53, 41, 30, 0.12);
}

.course-catalog-limit-card strong {
  font-size: 19px;
  line-height: 1.35;
}

.course-catalog-limit-card span {
  color: #8a5b50;
  font-size: 14px;
  line-height: 1.45;
}

.course-catalog-limit-card .primary-button {
  width: 100%;
  max-width: 220px;
}

.course-catalog-card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.course-catalog-card-meta span,
.course-catalog-card-meta em {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 8px;
  font-style: normal;
}

.course-catalog-card strong {
  color: var(--text);
  font-size: 32px;
  line-height: 1.05;
}

.course-catalog-translation {
  color: var(--green-dark);
  font-size: 18px;
  font-weight: 800;
}

.course-catalog-card small,
.course-catalog-card p {
  color: var(--muted);
  margin: 0;
}

.course-catalog-note {
  border-left: 3px solid rgba(47, 125, 91, 0.35);
  padding-left: 9px;
  font-size: 13px;
}

.course-catalog-card p:first-of-type {
  color: var(--text);
  font-weight: 800;
}

.course-catalog-progress {
  color: var(--muted);
  font-size: 13px;
}

.course-catalog-finished {
  display: grid;
  gap: 10px;
  width: min(390px, 100%);
  border: 1px solid rgba(47, 125, 91, 0.18);
  border-radius: 8px;
  padding: 18px;
  background: #f6fbf7;
  text-align: center;
}

.course-catalog-finished strong {
  color: var(--green-dark);
  font-size: 18px;
}

.course-catalog-finished span {
  color: var(--muted);
  line-height: 1.45;
}

.custom-card-action-row,
.custom-card-move-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  margin-top: 6px;
}

.custom-card-action-row {
  grid-template-columns: 1fr 1fr;
}

.custom-card-action-row button,
.custom-card-move-row select,
.custom-card-move-row button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
  color: var(--green-dark);
  font: inherit;
  font-size: 12px;
  font-weight: 800;
}

.custom-card-move-row select {
  min-width: 0;
  padding: 0 8px;
}

.custom-card-move-row button {
  padding: 0 10px;
  cursor: pointer;
}

.custom-card-action-row button {
  padding: 0 8px;
  cursor: pointer;
}

.custom-card-action-row button:disabled,
.custom-card-move-row button:disabled,
.custom-card-move-row select:disabled {
  opacity: 0.5;
  cursor: default;
}

.icon-button.danger {
  color: #9d3a31;
  background: #fff7f4;
}

.custom-example-options span {
  color: var(--muted);
  font-size: 12px;
}

.dictionary-filters {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.dictionary-filters button {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  min-height: 30px;
  padding: 0 9px;
  background: #fffdf8;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.dictionary-filters button.active {
  border-color: var(--green);
  background: #eaf4ee;
}

.dictionary-practice-area {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  border: 1px solid rgba(47, 125, 91, 0.18);
  border-radius: 8px;
  padding: 14px;
  background: #f6fbf8;
}

.dictionary-practice-area[hidden] {
  display: none;
}

.dictionary-practice-prompt {
  min-height: 330px;
}

.dictionary-answer-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: center;
}

.dictionary-answer-row input {
  min-width: 0;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
}

.dictionary-match-area {
  display: grid;
  gap: 12px;
  height: 100%;
}

.dictionary-match-title {
  color: var(--green-dark);
  font-size: 16px;
  font-weight: 900;
  text-align: center;
}

.dictionary-match-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.dictionary-match-column {
  display: grid;
  gap: 8px;
  align-content: start;
}

.dictionary-match-column button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fffdf8;
  color: var(--green-dark);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 850;
  overflow-wrap: anywhere;
}

.dictionary-match-column button.selected {
  border-color: var(--blue);
  background: #eef6fb;
}

.dictionary-match-column button.matched {
  border-color: var(--green);
  background: #eaf4ee;
  color: var(--green-dark);
}

.dictionary-match-column button.error {
  border-color: #d98b82;
  background: #f8d8d3;
  box-shadow: inset 0 0 0 999px rgba(205, 77, 64, 0.06);
}

.student-dictionary-list {
  display: grid;
  gap: 12px;
  max-height: 360px;
  margin-top: 16px;
  overflow-y: auto;
  padding-right: 4px;
}

.dictionary-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  border-left: 4px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  background: #f7f2ea;
}

.dictionary-meta {
  display: grid;
  justify-items: end;
  gap: 6px;
}

.dictionary-status-actions {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.dictionary-status-actions button {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 6px;
  color: var(--green-dark);
  background: #fffdf8;
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.dictionary-status-actions button:hover {
  border-color: var(--green);
  background: #eaf4ee;
}

.dictionary-practice-button {
  width: 100%;
  min-height: 34px;
  border: 1px solid rgba(47, 125, 91, 0.32);
  border-radius: 8px;
  padding: 6px 10px;
  color: #fff;
  background: var(--green);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.dictionary-practice-button:hover {
  background: var(--green-dark);
}

.dictionary-item.review {
  border-left-color: var(--red);
  background: #fff7f5;
}

.dictionary-item.known {
  border-left-color: var(--green);
  background: #eef7f2;
}

.dictionary-item.personal {
  border-left-color: var(--yellow);
  background: #fff9e8;
}

.dictionary-item strong,
.dictionary-item span,
.dictionary-item em {
  display: block;
}

.dictionary-item strong {
  color: var(--blue);
}

.dictionary-item span,
.dictionary-item small,
.dictionary-item em,
.dictionary-empty {
  color: var(--muted);
}

.dictionary-item em {
  margin-top: 2px;
  font-size: 12px;
  font-style: normal;
}

.dictionary-reason,
.dictionary-source,
.dictionary-phrase-hint {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.dictionary-reason {
  color: #4c3b35;
  font-weight: 800;
}

.dictionary-phrase-hint {
  color: var(--green-dark);
  font-weight: 700;
}

.dictionary-item small {
  font-weight: 800;
}

.conversation-scenario-goal {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.dialogue-panel {
  min-height: 150px;
  padding-bottom: 14px;
}

.dialogue-log {
  display: grid;
  gap: 10px;
  max-height: 190px;
  margin-top: 14px;
  overflow-y: auto;
}

.dialogue-entry {
  display: grid;
  gap: 4px;
  border-radius: 8px;
  padding: 10px 12px;
  background: #f3eee5;
}

.dialogue-entry.student {
  margin-left: 36px;
  background: #e6f0eb;
}

.dialogue-entry.teacher {
  margin-right: 36px;
  background: #fff8e7;
}

.dialogue-entry strong {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.dialogue-entry span {
  line-height: 1.4;
}

.conversation-panel {
  min-height: 150px;
}

.today-panel {
  min-height: 160px;
}

.today-review-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.today-review-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--yellow);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fffdf8;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.today-review-item span,
.today-review-item strong {
  min-width: 0;
}

.today-review-item span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.today-review-item strong {
  grid-column: 1;
  color: var(--blue);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.today-review-item em {
  grid-row: 1 / span 2;
  grid-column: 2;
  align-self: center;
  border-radius: 6px;
  padding: 5px 8px;
  background: #eaf4ee;
  color: var(--green-dark);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.today-review-item:hover {
  border-color: var(--green);
  background: #f4fbf7;
}

.conversation-topics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.conversation-topic {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  background: #f8f3ea;
  text-align: left;
  cursor: pointer;
}

.conversation-topic.recommended {
  border-color: var(--green);
  background: #edf6f0;
}

.conversation-topic.completed,
.conversation-practice-item.completed {
  border-color: rgba(47, 125, 91, 0.42);
  background: #eef7f2;
}

.conversation-topic.review,
.conversation-practice-item.review {
  border-color: rgba(196, 132, 43, 0.48);
  background: #fff7e8;
}

.conversation-topic.inProgress,
.conversation-practice-item.inProgress {
  border-color: rgba(45, 95, 143, 0.38);
  background: #eef5fb;
}

.conversation-topic.notStarted,
.conversation-practice-item.notStarted {
  border-color: rgba(47, 125, 91, 0.18);
}

.conversation-topic em {
  width: fit-content;
  border-radius: 999px;
  padding: 2px 7px;
  color: var(--green-dark);
  background: #dcefe3;
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

.conversation-topic.completed em,
.conversation-practice-item.completed em {
  color: var(--green-dark);
  background: #dcefe3;
}

.conversation-topic.review em,
.conversation-practice-item.review em {
  color: #8a4d10;
  background: #fff1d8;
}

.conversation-topic.inProgress em,
.conversation-practice-item.inProgress em {
  color: var(--blue);
  background: #ddebf7;
}

.conversation-topic:hover {
  border-color: var(--green);
  background: #edf6f0;
}

.conversation-topic strong {
  color: var(--green-dark);
}

.conversation-topic span,
.conversation-empty {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.conversation-practice-panel {
  min-height: 220px;
}

.conversation-practice-panel [hidden] {
  display: none !important;
}

.practice-tabs {
  display: inline-flex;
  gap: 6px;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px;
  background: #f6f1e9;
}

.practice-tabs button {
  min-height: 34px;
  border: 0;
  border-radius: 6px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  font-weight: 900;
  cursor: pointer;
}

.practice-tabs button.active {
  color: var(--green-dark);
  background: #e1f0e8;
}

.conversation-dialogue-reader {
  margin-top: 12px;
}

.practice-dialogue-card,
.practice-story-card {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fffdf8;
}

.practice-selected-card {
  display: grid;
  gap: 10px;
}

.practice-story-card.available,
.conversation-practice-item.available {
  cursor: pointer;
}

.practice-dialogue-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
}

.practice-dialogue-head div {
  display: grid;
  gap: 3px;
}

.practice-dialogue-head span,
.practice-story-meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.practice-dialogue-head strong,
.practice-story-card strong {
  color: var(--green-dark);
}

.practice-dialogue-lines {
  display: grid;
  gap: 7px;
  max-height: 220px;
  overflow-y: auto;
}

.practice-dialogue-line {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr);
  gap: 8px;
  border-radius: 7px;
  padding: 8px;
  background: #f8f3ea;
  line-height: 1.35;
}

.practice-dialogue-line.learner {
  background: #eef5fb;
}

.practice-dialogue-line em {
  color: var(--green-dark);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.practice-role-row,
.practice-dialogue-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}

.practice-role-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.practice-role-row button,
.practice-dialogue-actions button {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 10px;
  color: var(--green-dark);
  background: #fbf8f1;
  font-weight: 850;
  cursor: pointer;
}

.practice-role-row button.active,
.practice-dialogue-actions button:hover {
  border-color: var(--green);
  background: #e1f0e8;
}

.story-practice-panel {
  display: grid;
  gap: 14px;
  margin-top: 14px;
  max-height: 520px;
  overflow-y: auto;
}

.practice-story-level {
  display: grid;
  gap: 9px;
}

.practice-story-level-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 2px;
  color: var(--green-dark);
  background: var(--paper);
}

.practice-story-level-head strong {
  font-size: 14px;
}

.practice-story-level-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.practice-story-card.locked {
  opacity: 0.62;
}

.practice-story-card.completed {
  border-color: #9ccdb4;
  background: #f5fbf7;
}

.practice-story-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.practice-story-focus {
  font-size: 12px;
  font-weight: 800;
}

.lesson-flow-story {
  display: grid;
  gap: 10px;
}

.lesson-flow-story strong {
  color: var(--ink);
  font-size: 22px;
}

.practice-story-es {
  color: var(--ink) !important;
  font-weight: 800;
}

.practice-story-words {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.practice-story-words span {
  border-radius: 999px;
  padding: 4px 8px;
  color: var(--green-dark);
  background: #e1f0e8;
  font-size: 12px;
  font-weight: 800;
}

.practice-story-read-button {
  justify-self: start;
  min-height: 34px;
  border: 1px solid var(--green);
  border-radius: 7px;
  padding: 0 12px;
  color: var(--green-dark);
  background: #eef7f1;
  font-weight: 850;
  cursor: pointer;
}

.practice-story-card.completed .practice-story-read-button {
  color: var(--muted);
  border-color: var(--line);
  background: #f8f3ea;
}

.conversation-practice-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.conversation-category-filters {
  max-height: 86px;
  overflow-y: auto;
  padding-right: 4px;
}

.conversation-status-filters {
  margin-top: 8px;
}

.conversation-practice-filters button {
  min-width: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 9px;
  color: var(--muted);
  background: #fbf8f1;
  font-weight: 800;
  cursor: pointer;
}

.conversation-practice-filters button:hover,
.conversation-practice-filters button.active {
  border-color: var(--green);
  color: var(--green-dark);
  background: #edf6f0;
}

.conversation-search {
  display: grid;
  gap: 5px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.conversation-search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--ink);
  background: #fbfaf7;
  font: inherit;
}

.conversation-search input:focus {
  border-color: var(--green);
  outline: 2px solid rgba(38, 113, 79, 0.16);
}

.conversation-history {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--muted);
  background: #fbfaf7;
  font-size: 12px;
  line-height: 1.35;
}

.conversation-history p {
  margin: 0 0 8px;
}

.conversation-self-study-list {
  display: grid;
  gap: 7px;
}

.conversation-self-study-list > strong {
  color: var(--green-dark);
  font-size: 12px;
}

.conversation-self-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 9px;
  color: var(--ink);
  background: #fffdf8;
  text-align: left;
  cursor: pointer;
}

.conversation-self-item:hover {
  border-color: var(--green);
  background: #edf6f0;
}

.conversation-self-item.review {
  border-color: rgba(196, 132, 43, 0.48);
  background: #fff7e8;
}

.conversation-self-item.inProgress {
  border-color: rgba(45, 95, 143, 0.38);
  background: #eef5fb;
}

.conversation-self-item strong,
.conversation-self-item span {
  min-width: 0;
}

.conversation-self-item strong {
  color: var(--green-dark);
}

.conversation-self-item span {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 12px;
}

.conversation-self-item em,
.conversation-practice-item b {
  width: fit-content;
  border-radius: 999px;
  padding: 2px 7px;
  color: var(--green-dark);
  background: #e1f0e8;
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
  white-space: nowrap;
}

.conversation-self-empty,
.conversation-self-study {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.conversation-practice-list {
  display: grid;
  gap: 12px;
  max-height: 360px;
  margin-top: 14px;
  overflow-y: auto;
  padding-right: 4px;
}

.conversation-practice-group {
  display: grid;
  gap: 7px;
}

.conversation-practice-level {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
}

.conversation-practice-level span {
  color: var(--muted);
}

.conversation-practice-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--ink);
  background: #fbf8f1;
  text-align: left;
  cursor: pointer;
}

.conversation-practice-item:hover {
  border-color: var(--green);
  background: #edf6f0;
}

.conversation-practice-item.locked {
  border-style: dashed;
  background: #f1ede6;
  cursor: default;
  opacity: 0.58;
}

.conversation-practice-item.selected {
  border-color: var(--green);
  background: #edf6f0;
}

.conversation-practice-item strong {
  min-width: 0;
  color: var(--green-dark);
  font-size: 13px;
}

.conversation-practice-item span {
  min-width: 0;
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.conversation-practice-item em {
  border-radius: 999px;
  padding: 2px 7px;
  color: var(--green-dark);
  background: #e1f0e8;
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
  white-space: nowrap;
}

.conversation-practice-item b {
  grid-column: 2;
  grid-row: 2;
}

.conversation-practice-item .practice-dialogue-actions {
  grid-column: 1 / -1;
  margin-top: 3px;
}

.conversation-practice-item.locked em {
  color: var(--muted);
  background: #eee8de;
}

.mistakes-panel {
  min-height: 160px;
}

.mistakes-list {
  display: grid;
  gap: 10px;
  max-height: 300px;
  margin-top: 14px;
  overflow-y: auto;
}

.mistake-item {
  display: grid;
  gap: 8px;
  border: 1px solid #ead8d3;
  border-radius: 8px;
  padding: 12px;
  background: #fff7f5;
}

.mistake-group {
  display: grid;
  gap: 8px;
}

.mistake-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f6f1e9;
}

.mistake-group-header div {
  display: grid;
  gap: 2px;
}

.mistake-group-header strong {
  color: var(--green);
  font-size: 14px;
}

.mistake-group-header span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.mistake-group-header em {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 28px;
  border-radius: 999px;
  background: #e6f3ec;
  color: var(--green);
  font-size: 13px;
  font-style: normal;
  font-weight: 900;
}

.mistake-group.critical .mistake-group-header {
  border-color: #e7b8ac;
  background: #fff4ef;
}

.mistake-group.critical .mistake-group-header strong,
.mistake-group.critical .mistake-group-header em {
  color: var(--red);
}

.mistake-group.critical .mistake-group-header em {
  background: #ffe1d8;
}

.mistake-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.mistake-type {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 6px;
  background: #eef3f4;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
}

.mistake-actions button {
  border: 1px solid var(--green);
  border-radius: 6px;
  min-height: 30px;
  padding: 0 10px;
  background: #eef7f2;
  color: var(--green-dark);
  font-weight: 800;
  cursor: pointer;
}

.mistake-actions button:hover {
  background: #dcefe5;
}

.mistake-contrast {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mistake-contrast div {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  background: #fffdf8;
}

.mistake-contrast span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.mistake-contrast strong {
  line-height: 1.45;
}

.mistake-item.empty {
  color: var(--muted);
  background: #f6f1e9;
  border-color: var(--line);
}

.mistake-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 10px;
  align-items: start;
}

.mistake-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.mistake-value {
  line-height: 1.45;
}

.mistake-value strong {
  color: var(--blue);
}

.mistake-explanation {
  color: #4c3b35;
  font-weight: 700;
}

.diff-word {
  border-radius: 5px;
  padding: 1px 4px;
}

.diff-word.bad {
  color: #fff;
  background: var(--red);
}

.diff-word.good {
  color: #fff;
  background: var(--green);
}

.progress-band {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  background: #eaf0ed;
}

.mastery-text {
  color: #3d433f;
  line-height: 1.4;
}

.weak-items-text {
  margin-top: 8px;
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
}

.progress-metrics {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.progress-metrics div {
  min-width: 84px;
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--surface-strong);
  text-align: center;
}

.progress-metrics strong,
.progress-metrics span {
  display: block;
}

.progress-metrics strong {
  font-size: 20px;
}

.progress-metrics span {
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .lesson-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    height: auto;
    max-height: 236px;
    padding: 16px;
  }

  .screen-home .lesson-sidebar {
    height: auto;
    max-height: none;
    min-height: calc(100svh - 62px);
    overflow: visible;
  }

  .screen-home .sidebar-section {
    min-height: 0;
  }

  .screen-home .lesson-list {
    max-height: max(120px, calc(100svh - 560px));
  }

  .practice-layout,
  .teacher-stage {
    grid-template-columns: 1fr;
  }

  .lesson-workspace {
    grid-template-rows: auto;
  }

  .teacher-stage {
    min-height: 0;
    gap: 16px;
    text-align: center;
  }

  .teacher-dialogue p {
    max-width: none;
  }

  .teacher-actions,
  .answer-row,
  .panel-header,
  .progress-band {
    justify-content: center;
  }

  .side-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dictionary-panel {
    grid-column: 1 / -1;
  }

  .account-modal-card {
    width: min(100%, 560px);
  }

  .lesson-book-controls {
    grid-template-columns: 1fr;
  }

  .lesson-book-controls [data-lesson-book-action="prev"],
  .lesson-book-controls [data-lesson-book-action="next"],
  .lesson-book-control-spacer {
    display: none;
  }

  .lesson-book-page {
    cursor: grab;
    touch-action: pan-y;
    user-select: none;
  }

  .lesson-book-self-check-item {
    grid-template-columns: 1fr;
  }

  .lesson-book-answer-toggle {
    width: 100%;
  }

  .verb-trainer-header {
    display: grid;
  }

  .verb-trainer-rule-grid,
  .verb-trainer-summary-grid,
  .verb-trainer-progress-grid,
  .verb-trainer-topic-selector {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-shell {
    min-height: 100dvh;
  }

  .app-nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 64px));
    gap: 6px;
    padding: max(8px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) 8px max(10px, env(safe-area-inset-left));
    overflow: visible;
  }

  .app-nav-button {
    min-width: 0;
    min-height: 44px;
    padding: 0 6px;
    font-size: 13px;
    white-space: normal;
  }

  .verb-trainer-panel {
    gap: 12px;
  }

  .verb-trainer-scope,
  .verb-trainer-safety,
  .verb-trainer-chip-list,
  .verb-trainer-examples,
  .verb-trainer-wrong-list,
  .verb-trainer-review-list,
  .verb-trainer-progress-actions,
  .verb-trainer-ai-examples-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .verb-trainer-options,
  .verb-trainer-answer-row,
  .verb-trainer-prompt-grid,
  .verb-trainer-session-header {
    display: grid;
    grid-template-columns: 1fr;
  }

  .verb-trainer-options button,
  .verb-trainer-answer-row .primary-button,
  .verb-trainer-answer-row input,
  .verb-trainer-ai-examples-button {
    width: 100%;
  }

  .lesson-sidebar {
    max-height: 210px;
    padding: 12px;
  }

  .screen-home .lesson-sidebar {
    max-height: none;
    min-height: calc(100svh - 61px);
    padding-inline: 12px;
  }

  .screen-home .lesson-list {
    max-height: max(110px, calc(100svh - 560px));
  }

  .screen-home .home-overview {
    grid-template-columns: 1fr;
  }

  .pet-card {
    grid-template-columns: 1fr;
    gap: 8px;
    text-align: left;
  }

  .pet-avatar {
    width: 80px;
    height: 70px;
    justify-self: center;
  }

  .pet-avatar.baby,
  .pet-avatar.student,
  .pet-avatar.steady,
  .pet-avatar.traveler {
    transform: scale(0.94);
  }

  .pet-body {
    left: 5px;
    height: 36px;
    border-width: 2px;
  }

  .pet-head {
    left: 10px;
    top: 7px;
    width: 53px;
    height: 45px;
    border-width: 2px;
  }

  .pet-ear {
    width: 13px;
    height: 13px;
    border-width: 2px;
  }

  .pet-eye {
    top: 16px;
    width: 6px;
    height: 6px;
  }

  .pet-eye.left {
    left: 14px;
  }

  .pet-eye.right {
    right: 14px;
  }

  .pet-nose {
    left: 22px;
    top: 25px;
    width: 9px;
    height: 7px;
  }

  .pet-mouth {
    left: 21px;
    top: 34px;
    width: 13px;
  }

  .pet-copy h2 {
    font-size: 17px;
  }

  .pet-copy p {
    font-size: 13px;
  }

  .home-next-card,
  .home-today-card {
    padding: 12px;
  }

  .home-next-card strong {
    font-size: 18px;
  }

  .brand-block {
    margin-bottom: 12px;
  }

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

  .level-progress {
    gap: 6px;
    margin-bottom: 10px;
  }

  .level-row {
    padding: 6px;
  }

  .lesson-workspace {
    gap: 12px;
    padding: 14px;
  }

  .teacher-stage {
    padding: 14px;
  }

  .teacher-avatar {
    width: 118px;
    height: 134px;
  }

  .teacher-hair {
    left: 24px;
    top: 8px;
    width: 70px;
    height: 50px;
  }

  .teacher-face {
    left: 26px;
    top: 22px;
    width: 66px;
    height: 72px;
  }

  .teacher-eye {
    top: 27px;
  }

  .teacher-eye.left {
    left: 17px;
  }

  .teacher-eye.right {
    right: 17px;
  }

  .teacher-mouth {
    left: 24px;
    bottom: 18px;
  }

  .teacher-body {
    left: 14px;
    width: 90px;
    height: 56px;
  }

  h1 {
    font-size: 25px;
  }

  .teacher-dialogue p {
    font-size: 16px;
  }

  .teacher-actions,
  .answer-row,
  .dictionary-actions,
  .progress-metrics {
    align-items: stretch;
  }

  .teacher-actions .primary-button,
  .answer-row .primary-button,
  .dictionary-actions .primary-button {
    flex: 1 1 140px;
  }

  .answer-row input {
    flex: 1 1 100%;
  }

  .dictionary-answer-row {
    grid-template-columns: 1fr;
  }

  .dictionary-match-grid {
    gap: 8px;
  }

  .dictionary-match-column {
    gap: 7px;
  }

  .dictionary-match-column button {
    min-height: 38px;
    padding: 7px 6px;
    font-size: 14px;
    line-height: 1.18;
    overflow-wrap: anywhere;
  }

  .custom-folder-row,
  .custom-card-form,
  .custom-example-options {
    grid-template-columns: 1fr;
  }

  .custom-folder-modal-layout {
    grid-template-columns: 1fr;
  }

  .custom-modal {
    padding: 12px;
  }

  .lesson-panel {
    padding: 14px;
  }

  .panel-header,
  .progress-band {
    align-items: flex-start;
  }

  .practice-prompt {
    min-height: 98px;
    margin: 12px 0;
    padding: 13px;
    font-size: 18px;
  }

  .side-column {
    grid-template-columns: 1fr;
  }

  .vocabulary-list,
  .student-dictionary-list,
  .conversation-practice-list,
  .mistakes-list {
    max-height: 260px;
  }

  .vocab-item {
    grid-template-columns: 1fr;
  }

  .dictionary-item,
  .today-review-item,
  .conversation-practice-item {
    grid-template-columns: 1fr;
  }

  .practice-dialogue-head,
  .practice-dialogue-line {
    grid-template-columns: 1fr;
  }

  .practice-tabs {
    width: 100%;
  }

  .practice-tabs button {
    flex: 1;
  }


  .lesson-book-panel {
    gap: 12px;
    padding: 14px;
  }

  .lesson-book-head {
    align-items: stretch;
    flex-direction: column;
  }

  .lesson-book-page {
    min-height: 150px;
    padding: 14px;
  }

  .lesson-book-page p {
    font-size: 17px;
  }

  .lesson-book-controls {
    grid-template-columns: 1fr;
  }

  .lesson-book-controls .primary-button {
    width: 100%;
  }

  .dictionary-meta,
  .dictionary-status-actions {
    justify-items: start;
    justify-content: flex-start;
  }

  .today-review-item em,
  .conversation-practice-item em,
  .conversation-practice-item b {
    grid-row: auto;
    grid-column: 1;
    width: fit-content;
  }

  .mistake-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .mistake-contrast,
  .mistake-row {
    grid-template-columns: 1fr;
  }

  .account-header,
  .account-two-fields {
    align-items: stretch;
    flex-direction: column;
  }

  .account-status {
    width: fit-content;
  }

  .teacher-persona-options {
    display: grid;
    grid-template-columns: 1fr;
  }

  .account-menu-row {
    align-items: flex-start;
    min-height: 50px;
  }

  .account-menu-row em {
    max-width: 48%;
  }

  .account-modal {
    align-items: end;
    padding: 10px;
  }

  .account-modal-card {
    max-height: 86vh;
  }
}

@media (max-width: 420px) {
  .app-nav-button {
    padding: 0 9px;
    font-size: 13px;
  }

  .lesson-sidebar {
    max-height: 190px;
  }

  .screen-home .lesson-sidebar {
    max-height: none;
  }

  .screen-home .lesson-list {
    max-height: calc(100svh - 380px);
  }

  .lesson-item {
    padding: 8px 10px;
  }

  .teacher-actions .primary-button,
  .answer-row .primary-button,
  .dictionary-actions .primary-button {
    flex-basis: 100%;
  }

  .icon-button {
    min-width: 44px;
    min-height: 44px;
  }

  .current-goal {
    width: 100%;
  }
}