:root {
  --memo-primary: #302356;
  --memo-primary-dark: #20173d;
  --memo-primary-soft: #ede9f7;
  --memo-accent: #f5c42f;
  --memo-accent-dark: #d5a40a;
  --memo-page: #f7f6fb;
  --memo-surface: #ffffff;
  --memo-surface-muted: #fbfaf7;
  --memo-text: #241f33;
  --memo-muted: #746d86;
  --memo-border: #e7e2ef;
  --memo-success: #2e7d62;
  --memo-danger: #d64242;
  --memo-warning: #b8860b;
  --memo-info: #24748c;
  --memo-radius: 8px;
  --memo-radius-sm: 6px;
  --memo-shadow: 0 12px 30px rgba(31, 23, 56, 0.11);
  --memo-shadow-soft: 0 6px 18px rgba(31, 23, 56, 0.08);
  --memo-space-1: 0.5rem;
  --memo-space-2: 1rem;
  --memo-space-3: 1.5rem;
  --memo-space-4: 2rem;
  --memo-space-5: 3rem;
}

html,
body {
  min-height: 100%;
}

body.memo-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--memo-page);
  color: var(--memo-text);
}

body.memo-body-home,
body.memo-body-game,
body.memo-body-auth {
  background: var(--memo-primary);
}

a {
  color: var(--memo-primary);
}

a:hover {
  color: var(--memo-primary-dark);
}

.mb-2 {
  margin-bottom: 2rem;
}

.mb-3 {
  margin-bottom: 3rem;
}

.mt-2 {
  margin-top: 2rem;
}

.bg-primary {
  background-color: var(--memo-primary) !important;
}

.bg-secondary {
  background-color: var(--memo-accent) !important;
}

.primary-text {
  color: var(--memo-primary) !important;
}

.secondary-text {
  color: var(--memo-accent) !important;
}

.memo-app-shell {
  flex: 1 0 auto;
  padding-top: var(--memo-space-4);
  padding-bottom: var(--memo-space-4);
}

.memo-page {
  padding-bottom: var(--memo-space-4);
}

.memo-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--memo-space-2);
  margin: var(--memo-space-2) 0 var(--memo-space-4);
}

.memo-page-title {
  margin: 0;
  color: var(--memo-text);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  font-weight: 700;
}

.memo-page-subtitle {
  margin: 0.5rem 0 0;
  color: var(--memo-muted);
  font-size: 1.1rem;
}

.memo-surface,
.card-panel.memo-surface,
.card.memo-surface {
  background: var(--memo-surface);
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius);
  box-shadow: var(--memo-shadow-soft);
}

.memo-surface {
  padding: var(--memo-space-3);
}

.memo-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--memo-space-3);
  margin: 0 0 var(--memo-space-4);
}

.memo-learning-card {
  display: flex;
  min-height: 150px;
  align-items: center;
  justify-content: center;
  padding: var(--memo-space-3);
  border-radius: var(--memo-radius);
  box-shadow: var(--memo-shadow-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.memo-learning-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--memo-shadow);
}

.memo-learning-card h3,
.memo-learning-card h4 {
  margin: 0;
  color: #fff;
  text-align: center;
  overflow-wrap: anywhere;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.24);
}

.memo-empty-state {
  padding: var(--memo-space-5) var(--memo-space-3);
  color: var(--memo-muted);
  text-align: center;
  background: var(--memo-surface);
  border: 1px dashed var(--memo-border);
  border-radius: var(--memo-radius);
}

.memo-empty-state .material-icons {
  display: block;
  margin-bottom: var(--memo-space-1);
  color: var(--memo-primary);
  font-size: 3rem;
}

.memo-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--memo-space-1);
}

.memo-actions-right {
  justify-content: flex-end;
}

.btn.memo-btn-primary,
.btn-floating.memo-btn-primary {
  background: var(--memo-primary) !important;
  color: #fff !important;
}

.btn.memo-btn-primary:hover,
.btn-floating.memo-btn-primary:hover {
  background: var(--memo-primary-dark) !important;
}

.btn.memo-btn-accent,
.btn-floating.memo-btn-accent {
  background: var(--memo-accent) !important;
  color: var(--memo-text) !important;
}

.btn.memo-btn-accent:hover,
.btn-floating.memo-btn-accent:hover {
  background: var(--memo-accent-dark) !important;
}

.btn-floating.memo-btn-accent i {
  color: var(--memo-text) !important;
  font-weight: 700;
}

.btn.memo-btn-danger,
.btn-floating.memo-btn-danger {
  background: var(--memo-danger) !important;
  color: #fff !important;
}

.btn.memo-btn-muted {
  background: #65717f !important;
  color: #fff !important;
}

.memo-icon-btn {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
}

.fixed-action-btn {
  right: 28px;
  bottom: 28px;
}

.fixed-action-btn .btn-floating {
  width: 64px;
  height: 64px;
  box-shadow: 0 14px 32px rgba(48, 35, 86, 0.22), 0 0 0 6px rgba(245, 196, 47, 0.18);
}

.fixed-action-btn .btn-floating i {
  line-height: 64px;
  font-size: 2.2rem;
}

.fixed-action-btn .btn-floating:hover,
.fixed-action-btn .btn-floating:focus {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 18px 38px rgba(48, 35, 86, 0.28), 0 0 0 8px rgba(245, 196, 47, 0.24);
}

.memo-table-wrap {
  overflow-x: auto;
  border-radius: var(--memo-radius);
}

.memo-table {
  margin: 0;
}

.memo-table thead {
  color: var(--memo-muted);
  background: var(--memo-surface-muted);
}

.memo-table td,
.memo-table th {
  vertical-align: middle;
}

.memo-form {
  margin-bottom: var(--memo-space-4);
}

.memo-form .input-field {
  margin-bottom: var(--memo-space-2);
}

.memo-field label {
  color: var(--memo-muted);
}

.memo-field textarea,
.memo-field input[type="text"] {
  color: var(--memo-text);
}

.memo-textarea,
textarea.memo-textarea,
textarea.memo-answer-textarea {
  min-height: 7rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--memo-border) !important;
  border-radius: var(--memo-radius-sm);
  background: var(--memo-surface-muted);
  box-sizing: border-box;
  resize: vertical;
}

textarea.memo-answer-textarea {
  min-height: 5rem;
}

.memo-textarea:focus,
textarea.memo-answer-textarea:focus {
  border-color: var(--memo-primary) !important;
  box-shadow: 0 0 0 3px rgba(48, 35, 86, 0.12) !important;
}

.memo-quiz-builder {
  display: grid;
  gap: var(--memo-space-3);
}

.memo-answer-list {
  display: grid;
  gap: var(--memo-space-2);
  margin: var(--memo-space-2) 0 0;
}

.memo-answer-item {
  padding: var(--memo-space-2);
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius);
  background: var(--memo-surface-muted);
}

.memo-answer-item .input-field {
  margin: 0 0 var(--memo-space-1);
}

.memo-answer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--memo-space-2);
  color: var(--memo-muted);
}

.memo-answer-meta label {
  color: var(--memo-muted);
}

.memo-answer-errors,
.memo-field-errors {
  margin-bottom: var(--memo-space-1);
  color: var(--memo-danger);
}

.memo-answer-errors ul,
.memo-field-errors ul {
  margin: 0;
}

.memo-form-color {
  margin-bottom: var(--memo-space-3);
}

.memo-form-color input[type="color"] {
  display: block;
  width: 84px;
  height: 44px;
  margin-top: var(--memo-space-1);
  padding: 3px;
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius-sm);
  background: var(--memo-surface);
}

.memo-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--memo-space-1);
  margin-top: var(--memo-space-2);
}

.memo-auth-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 420px);
  align-items: center;
  gap: var(--memo-space-4);
  min-height: min(720px, calc(100vh - 114px));
  padding: var(--memo-space-3) var(--memo-space-4);
  border-radius: var(--memo-radius);
  background: radial-gradient(circle at top left, rgba(245, 196, 47, 0.16), transparent 38%),
    var(--memo-primary);
}

.memo-auth-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: min(62vh, 600px);
  min-height: 440px;
  overflow: hidden;
}

.memo-auth-visual img {
  display: block;
  width: 112%;
  height: 112%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center;
}

.memo-auth-panel {
  text-align: center;
}

.memo-auth-panel h3 {
  margin-top: 0;
  color: #fff;
  font-weight: 700;
}

.memo-auth-panel .card-panel {
  border-radius: var(--memo-radius);
  box-shadow: var(--memo-shadow);
}

.memo-oauth-panel {
  color: var(--memo-muted);
}

.memo-game-shell {
  min-height: calc(100vh - 64px);
  padding: var(--memo-space-4) 0;
  background: radial-gradient(circle at top left, rgba(245, 196, 47, 0.14), transparent 34%),
    var(--memo-primary);
  color: #fff;
}

.memo-game-panel {
  padding: var(--memo-space-3);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--memo-radius);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--memo-shadow);
}

.memo-game-header {
  align-items: center;
  margin-top: 0;
  margin-bottom: var(--memo-space-4);
}

.memo-game-header h3 {
  margin: var(--memo-space-1) 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  font-weight: 800;
}

.memo-game-header p {
  max-width: 780px;
  margin: 0;
  color: rgba(255, 255, 255, 0.84) !important;
  font-size: 1.15rem;
}

.memo-game-header-icon {
  display: grid;
  flex: 0 0 84px;
  place-items: center;
  width: 84px;
  height: 84px;
  border: 1px solid rgba(245, 196, 47, 0.35);
  border-radius: var(--memo-radius);
  background: rgba(245, 196, 47, 0.12);
  color: var(--memo-accent);
}

.memo-game-header-icon .material-icons {
  font-size: 3rem;
}

.memo-learning-module {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.75fr);
  gap: var(--memo-space-3);
  align-items: stretch;
}

.memo-learning-module-wide {
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.35fr);
}

.memo-module-context {
  align-content: start;
  color: rgba(255, 255, 255, 0.84);
}

.memo-module-context h4 {
  margin: var(--memo-space-1) 0;
  color: #fff;
  font-weight: 700;
}

.memo-module-context p {
  margin: 0 0 var(--memo-space-2);
}

.memo-module-list {
  display: grid;
  gap: 0.85rem;
  margin: var(--memo-space-2) 0 0;
}

.memo-module-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
}

.memo-module-list .material-icons {
  flex: 0 0 auto;
  color: var(--memo-accent);
  font-size: 1.25rem;
}

.memo-card-label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.65rem;
  color: var(--memo-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.memo-game-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--memo-space-1);
  margin-bottom: var(--memo-space-3);
}

.memo-game-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
}

.memo-game-hint .material-icons {
  color: var(--memo-accent);
  font-size: 1.2rem;
}

.memo-game-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--memo-space-2);
  margin-top: var(--memo-space-3);
}

.memo-game-metrics > div {
  min-height: 104px;
  padding: var(--memo-space-2);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--memo-radius);
  background: rgba(255, 255, 255, 0.08);
}

.memo-game-metrics span {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.memo-game-metrics strong {
  display: block;
  margin-top: 0.3rem;
  color: var(--memo-accent);
  font-size: 2.5rem;
  line-height: 1;
}

.memo-result-dialog {
  width: min(92vw, 480px);
  background: var(--memo-surface);
  color: var(--memo-text);
  text-align: center;
}

.memo-result-dialog h3 {
  margin-top: 0;
  color: var(--memo-text);
  font-weight: 800;
}

.memo-game-empty {
  max-width: 680px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.84);
  text-align: center;
}

.memo-game-empty > .material-icons {
  color: var(--memo-accent);
  font-size: 4rem;
}

.memo-game-empty h4 {
  margin: var(--memo-space-1) 0;
  color: #fff;
  font-weight: 700;
}

.memo-popup {
  border-radius: var(--memo-radius);
  box-shadow: var(--memo-shadow);
}

.memo-progress-label {
  color: var(--memo-muted);
  font-weight: 700;
}

.progress {
  background-color: var(--memo-primary-soft);
  border-radius: 999px;
}

.progress .determinate {
  background-color: var(--memo-primary);
}

.collection.memo-result-list {
  border: 0;
  border-radius: var(--memo-radius);
  overflow: hidden;
  box-shadow: var(--memo-shadow-soft);
}

.collection.memo-result-list .collection-header {
  background: var(--memo-surface-muted);
}

.memo-quiz-hub {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--memo-space-3);
}

.memo-quiz-card {
  display: grid;
  gap: var(--memo-space-2);
}

.memo-quiz-card-main,
.memo-quiz-session-top,
.memo-review-question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--memo-space-2);
}

.memo-quiz-card h3,
.memo-review-question h3 {
  margin: var(--memo-space-1) 0 0;
  color: var(--memo-text);
  font-size: 1.45rem;
  line-height: 1.25;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.memo-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.memo-status-new {
  color: var(--memo-info);
  background: #e7f4f8;
}

.memo-status-active {
  color: var(--memo-warning);
  background: #fff4cf;
}

.memo-status-done {
  color: var(--memo-success);
  background: #e4f4ee;
}

.memo-status-error {
  color: var(--memo-danger);
  background: #fce7e7;
}

.memo-quiz-meta {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 0.35rem;
  margin: 0;
  color: var(--memo-muted);
  font-weight: 700;
}

.memo-quiz-meta .material-icons {
  color: var(--memo-primary);
  font-size: 20px;
}

.memo-quiz-progress {
  display: grid;
  gap: 0.35rem;
  color: var(--memo-muted);
  font-weight: 700;
}

.memo-quiz-progress .progress,
.memo-quiz-progress-bar {
  margin: 0;
}

.memo-result-summary {
  display: flex;
  align-items: baseline;
  gap: var(--memo-space-1);
  color: var(--memo-muted);
}

.memo-result-summary strong {
  color: var(--memo-primary);
  font-size: 2rem;
}

.memo-stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin-bottom: var(--memo-space-4);
  overflow: hidden;
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius);
  background: var(--memo-border);
  box-shadow: var(--memo-shadow-soft);
}

.memo-stat-strip > div {
  min-height: 94px;
  padding: var(--memo-space-2);
  background: var(--memo-surface);
}

.memo-stat-strip span {
  display: block;
  color: var(--memo-muted);
  font-weight: 700;
}

.memo-stat-strip strong {
  display: block;
  margin-top: 0.35rem;
  color: var(--memo-primary);
  font-size: 2rem;
  line-height: 1.1;
}

.memo-analytics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--memo-space-3);
}

.memo-chart-panel {
  min-width: 0;
}

.memo-chart-panel h5 {
  margin-top: 0;
}

.memo-bar-chart {
  display: grid;
  gap: 0.85rem;
}

.memo-chart-row {
  display: grid;
  grid-template-columns: minmax(120px, 1.1fr) minmax(160px, 2fr) minmax(56px, auto);
  align-items: center;
  gap: var(--memo-space-1);
}

.memo-chart-label {
  min-width: 0;
  color: var(--memo-text);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.memo-chart-mobile-value {
  display: none;
  min-width: 0;
  color: var(--memo-text);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.memo-chart-track {
  height: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--memo-primary-soft);
}

.memo-chart-bar {
  height: 100%;
  min-width: 0;
  border-radius: inherit;
}

.memo-chart-bar-primary {
  background: var(--memo-primary);
}

.memo-chart-bar-accent {
  background: var(--memo-accent);
}

.memo-chart-bar-danger {
  background: var(--memo-danger);
}

.memo-line-chart-wrap {
  height: 240px;
  padding: var(--memo-space-2);
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius);
  background: linear-gradient(to top, var(--memo-primary-soft) 1px, transparent 1px),
    var(--memo-surface-muted);
  background-size: 100% 25%;
}

.memo-line-chart {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.memo-line-chart polyline {
  stroke: var(--memo-primary);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.memo-trend-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--memo-space-1);
}

.memo-trend-list span {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--memo-primary-soft);
  color: var(--memo-primary);
  font-size: 0.85rem;
  font-weight: 700;
}

.memo-attention-list {
  display: grid;
  gap: var(--memo-space-1);
}

.memo-attention-item {
  display: grid;
  gap: 0.4rem;
  padding: var(--memo-space-2);
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius);
  background: var(--memo-surface);
  color: var(--memo-text);
}

.memo-attention-item:hover {
  border-color: var(--memo-primary);
  color: var(--memo-text);
  box-shadow: var(--memo-shadow-soft);
}

.memo-progress-section {
  display: grid;
  gap: var(--memo-space-3);
}

.memo-progress-section h4 {
  margin: 0;
  color: var(--memo-text);
  font-weight: 700;
}

.memo-progress-section p {
  margin: 0.35rem 0 0;
  color: var(--memo-muted);
}

.memo-progress-section-head,
.memo-progress-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--memo-space-2);
}

.memo-progress-section-head > strong {
  flex-shrink: 0;
  color: var(--memo-primary);
}

.memo-progress-primary-action {
  justify-self: start;
}

.memo-progress-practice-actions {
  justify-content: flex-start;
}

.memo-progress-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.8fr);
  gap: var(--memo-space-3);
  align-items: stretch;
}

.memo-progress-two-charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--memo-space-2);
}

.memo-chart-canvas {
  min-height: 280px;
  padding: var(--memo-space-2);
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius);
  background: var(--memo-surface-muted);
}

.memo-chart-canvas-small {
  min-height: 230px;
}

.memo-progress-list {
  display: grid;
  align-content: start;
  gap: 0.65rem;
}

.memo-progress-list-item {
  min-height: 54px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius-sm);
  background: var(--memo-surface-muted);
  color: var(--memo-text);
}

.memo-progress-list-item:hover {
  border-color: var(--memo-primary);
  color: var(--memo-text);
}

.memo-progress-list-item span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.memo-progress-list-item strong {
  color: var(--memo-primary);
  font-size: 1.25rem;
}

.memo-progress-mini-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.memo-progress-mini-stats span {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: var(--memo-primary-soft);
  color: var(--memo-primary);
  font-weight: 700;
}

.memo-quiz-card-actions {
  justify-content: flex-end;
}

.memo-quiz-session {
  max-width: 880px;
  margin: 0 auto;
}

.memo-quiz-count,
.memo-score-panel {
  display: grid;
  place-items: center;
  min-width: 96px;
  min-height: 80px;
  padding: var(--memo-space-1);
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius);
  background: var(--memo-surface);
  color: var(--memo-primary);
  font-size: 1.35rem;
  font-weight: 800;
  box-shadow: var(--memo-shadow-soft);
}

.memo-question-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  height: auto;
  margin: var(--memo-space-2) 0 var(--memo-space-3);
  background: transparent;
  box-shadow: none;
}

.memo-question-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--memo-border);
  border-radius: 50%;
  background: var(--memo-surface);
  color: var(--memo-muted);
  font-weight: 800;
}

a.memo-question-step:hover,
.memo-question-step.is-current {
  border-color: var(--memo-primary);
  background: var(--memo-primary);
  color: #fff;
}

.memo-question-step.is-answered:not(.is-current) {
  border-color: #b9dfd1;
  background: #e4f4ee;
  color: var(--memo-success);
}

.memo-quiz-form {
  padding: var(--memo-space-4);
}

.memo-answer-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.memo-answer-fieldset legend {
  width: 100%;
  margin-bottom: var(--memo-space-3);
  color: var(--memo-text);
  font-size: 1.6rem;
  line-height: 1.3;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.memo-answer-options {
  display: grid;
  gap: var(--memo-space-2);
}

.memo-answer-option {
  display: block;
  min-height: 64px;
  padding: 1rem;
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius);
  background: var(--memo-surface-muted);
  color: var(--memo-text);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.memo-answer-option:hover,
.memo-answer-option:focus-within {
  border-color: var(--memo-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(48, 35, 86, 0.12);
}

.memo-answer-option span {
  display: block;
  min-height: 32px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.memo-result-header {
  align-items: center;
}

.memo-score-panel strong {
  font-size: 2.4rem;
  line-height: 1;
}

.memo-score-panel span {
  color: var(--memo-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.memo-review-list {
  display: grid;
  gap: var(--memo-space-3);
}

.memo-review-item {
  display: grid;
  gap: var(--memo-space-2);
}

.memo-question-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--memo-primary-soft);
  color: var(--memo-primary);
  font-weight: 800;
}

.memo-review-answers {
  display: grid;
  gap: 0.65rem;
  margin: 0;
}

.memo-review-answers li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: var(--memo-space-1);
  padding: 0.85rem 1rem;
  border: 1px solid var(--memo-border);
  border-radius: var(--memo-radius-sm);
  background: var(--memo-surface-muted);
  color: var(--memo-text);
}

.memo-review-answers .material-icons {
  font-size: 22px;
}

.memo-review-answers li.is-correct,
.memo-review-answers li.is-correct-selected {
  border-color: #aad7c8;
  background: #e4f4ee;
}

.memo-review-answers li.is-correct .material-icons,
.memo-review-answers li.is-correct-selected .material-icons {
  color: var(--memo-success);
}

.memo-review-answers li.is-wrong-selected {
  border-color: #f0b4b4;
  background: #fce7e7;
}

.memo-review-answers li.is-wrong-selected .material-icons {
  color: var(--memo-danger);
}

.memo-footer {
  flex-shrink: 0;
  padding-top: 0 !important;
  margin-top: 0;
  background: var(--memo-primary-dark) !important;
  border-top: 3px solid var(--memo-accent);
}

.memo-footer .footer-copyright {
  min-height: 56px;
  padding: 0.75rem 0 calc(0.75rem + env(safe-area-inset-bottom));
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.35;
}

.memo-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--memo-space-2);
}

.memo-footer-brand {
  flex: 0 0 auto;
  color: #fff;
  font-weight: 700;
}

.memo-footer-description {
  min-width: 0;
  text-align: right;
  overflow-wrap: anywhere;
}

.memo-nav {
  box-shadow: var(--memo-shadow-soft);
}

.memo-nav,
.memo-nav .nav-wrapper {
  overflow: visible;
}

.memo-nav .nav-wrapper .container {
  width: min(94%, 1180px);
}

.memo-nav.transparent {
  box-shadow: none;
}

.memo-nav .brand-logo {
  color: #fff;
  font-weight: 700;
  transition: color 0.16s ease, text-shadow 0.16s ease;
}

.memo-nav .sidenav-trigger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 56px;
  margin: 0;
  color: #fff;
}

html.memo-icons-missing .memo-menu-icon {
  position: relative;
  display: inline-flex;
  width: 24px;
  height: 24px;
  color: #fff;
  font-size: 0 !important;
  line-height: 1;
}

html.memo-icons-missing .memo-menu-icon::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 2px;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 6px 0 currentColor, 0 12px 0 currentColor;
}

.memo-nav .brand-logo:hover,
.memo-nav .brand-logo:focus {
  color: var(--memo-accent);
  text-shadow: 0 1px 10px rgba(245, 196, 47, 0.28);
}

.memo-nav ul a {
  color: #fff;
  border-radius: var(--memo-radius-sm);
  padding: 0 11px;
  white-space: nowrap;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.memo-nav ul a:hover,
.memo-nav ul a:focus {
  color: var(--memo-accent) !important;
  background: rgba(245, 196, 47, 0.14);
}

.memo-nav .memo-nav-action {
  color: var(--memo-text);
  padding: 0 16px;
}

.memo-nav .memo-nav-action:hover,
.memo-nav .memo-nav-action:focus {
  color: var(--memo-text) !important;
  background: var(--memo-accent-dark) !important;
}

.memo-dropdown.dropdown-content {
  background: var(--memo-primary);
  border-radius: var(--memo-radius);
  overflow: hidden;
  box-shadow: var(--memo-shadow);
}

.memo-dropdown.dropdown-content li > a {
  color: #fff !important;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.memo-dropdown.dropdown-content li:hover,
.memo-dropdown.dropdown-content li.active,
.memo-dropdown.dropdown-content li:focus {
  background-color: var(--memo-primary-dark) !important;
}

.memo-dropdown.dropdown-content li > a:hover,
.memo-dropdown.dropdown-content li > a:focus,
.memo-dropdown.dropdown-content li:hover > a,
.memo-dropdown.dropdown-content li.active > a {
  color: var(--memo-accent) !important;
  background-color: var(--memo-primary-dark) !important;
}

.memo-sidenav-header {
  padding: var(--memo-space-3);
}

.memo-nav-link-icon {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 12px 18px !important;
  color: var(--memo-text) !important;
}

.memo-nav-link-icon .material-icons {
  color: var(--memo-primary) !important;
  font-size: 22px;
  line-height: 1;
}

html.memo-icons-missing .memo-nav-link-icon > .material-icons:first-child {
  position: relative;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  font-size: 0 !important;
}

html.memo-icons-missing .memo-nav-link-icon > .material-icons:first-child::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--memo-primary);
  box-shadow: 0 0 0 5px rgba(48, 35, 86, 0.1);
}

.collapsible-header.memo-nav-link-icon .material-icons.right {
  margin-left: auto;
}

html.memo-icons-missing .collapsible-header.memo-nav-link-icon .material-icons.right {
  position: relative;
  width: 18px;
  height: 18px;
  color: var(--memo-muted) !important;
  font-size: 0 !important;
}

html.memo-icons-missing .collapsible-header.memo-nav-link-icon .material-icons.right::before {
  content: "";
  position: absolute;
  top: 4px;
  left: 5px;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

.memo-home-section {
  position: relative;
}

.section-top {
  min-height: min(680px, 90vh);
}

.section-top .content {
  max-width: 620px;
}

.section-top h1 {
  margin: 0;
  font-weight: 800;
}

.section-stream .content > div,
.section-grid > div {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--memo-radius);
  box-shadow: var(--memo-shadow-soft);
}

.section-stream .play {
  border-radius: 50%;
}

html.memo-icons-missing .input-field .prefix.material-icons {
  position: relative;
  width: 3rem;
  height: 3rem;
  font-size: 0 !important;
}

html.memo-icons-missing .input-field .prefix.material-icons::before {
  content: "";
  position: absolute;
  top: 0.9rem;
  left: 0.7rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--memo-primary);
  box-shadow: 0 0 0 6px rgba(48, 35, 86, 0.09);
}

.btn .material-icons.right {
  line-height: inherit;
}

html.memo-icons-missing .btn .material-icons.left {
  position: relative;
  width: 18px;
  height: 18px;
  margin-right: 10px;
  font-size: 0 !important;
  line-height: inherit;
}

html.memo-icons-missing .btn .material-icons.left::before {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 10px;
  height: 10px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

html.memo-icons-missing .btn .material-icons.right {
  position: relative;
  width: 18px;
  height: 18px;
  margin-left: 10px;
  font-size: 0 !important;
}

html.memo-icons-missing .btn .material-icons.right::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 3px;
  width: 11px;
  height: 7px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(35deg);
}

@media (max-width: 992px) {
  .memo-nav .sidenav-trigger {
    display: inline-flex;
  }

  .memo-auth-shell {
    display: block;
    min-height: auto;
  }

  .memo-auth-panel {
    max-width: 460px;
    margin: 0 auto;
  }

  .memo-learning-module,
  .memo-learning-module-wide {
    grid-template-columns: 1fr;
  }

  .memo-learning-module-wide .memo-module-context {
    order: 2;
  }
}

@media (max-width: 700px) {
  body.memo-body {
    font-size: 16px;
    -webkit-tap-highlight-color: rgba(245, 196, 47, 0.22);
  }

  .container,
  .memo-nav .nav-wrapper .container {
    width: min(100% - 24px, 520px);
  }

  .memo-nav {
    min-height: 56px;
    box-shadow: 0 8px 20px rgba(18, 13, 32, 0.16);
  }

  .memo-nav.transparent {
    background: linear-gradient(180deg, rgba(18, 13, 32, 0.84), rgba(18, 13, 32, 0)) !important;
  }

  .memo-nav,
  .memo-nav .nav-wrapper {
    height: 56px;
    line-height: 56px;
  }

  .memo-nav .brand-logo {
    top: 0;
    left: 50%;
    max-width: calc(100vw - 112px);
    overflow: hidden;
    font-size: 1.6rem;
    line-height: 56px;
    text-overflow: ellipsis;
    transform: translateX(-50%);
  }

  .memo-nav .sidenav-trigger {
    display: inline-flex;
  }

  .sidenav {
    width: min(86vw, 320px);
    padding-bottom: max(var(--memo-space-3), env(safe-area-inset-bottom));
  }

  .memo-sidenav-header {
    padding: var(--memo-space-4) var(--memo-space-3) var(--memo-space-3);
  }

  .memo-sidenav-header .flow-text {
    font-weight: 800;
  }

  .memo-sidenav-header p {
    margin-bottom: 0;
    line-height: 1.4;
  }

  .memo-nav-link-icon,
  .sidenav li > a {
    min-height: 48px;
    line-height: 24px !important;
  }

  .memo-app-shell {
    width: min(100% - 24px, 520px);
    padding-top: var(--memo-space-2);
    padding-bottom: var(--memo-space-3);
  }

  .memo-surface,
  .card-panel.memo-surface,
  .card.memo-surface,
  .card-panel.memo-form,
  .memo-auth-panel .card-panel {
    border-radius: var(--memo-radius);
  }

  .memo-page-header {
    display: block;
    margin-bottom: var(--memo-space-3);
  }

  .memo-page-title {
    font-size: 1.9rem;
  }

  .memo-page-subtitle {
    font-size: 1rem;
  }

  .memo-page-header .memo-actions {
    margin-top: var(--memo-space-2);
  }

  .btn,
  button.btn,
  input.btn {
    min-height: 44px;
    height: auto;
    line-height: 44px;
    padding: 0 18px;
    border-radius: var(--memo-radius-sm);
  }

  .memo-form-actions,
  .memo-actions {
    gap: 0.75rem;
  }

  .memo-form-actions .btn,
  .memo-auth-panel .btn,
  .memo-oauth-panel .btn {
    width: 100%;
  }

  .memo-form {
    margin-bottom: var(--memo-space-3);
  }

  .memo-form .input-field {
    margin-bottom: 1.35rem;
  }

  .memo-card-grid {
    grid-template-columns: 1fr;
    gap: var(--memo-space-2);
  }

  .memo-analytics-grid {
    grid-template-columns: 1fr;
  }

  .memo-progress-layout,
  .memo-progress-two-charts {
    grid-template-columns: 1fr;
  }

  .memo-progress-section-head,
  .memo-progress-list-item {
    align-items: flex-start;
  }

  .memo-progress-section-head {
    flex-direction: column;
  }

  .memo-progress-section-head > .btn,
  .memo-progress-section-head > .memo-actions {
    width: 100%;
  }

  .memo-progress-section-head > .memo-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .memo-progress-section-head .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 0;
    white-space: normal;
  }

  .memo-progress-primary-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: stretch;
    min-width: 0;
    white-space: normal;
  }

  .memo-progress-practice-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .memo-progress-practice-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 0;
    white-space: normal;
  }

  .memo-chart-row {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .memo-chart-row .memo-chart-mobile-value {
    display: block;
    grid-column: 1;
    grid-row: 1;
  }

  .memo-chart-row .memo-chart-label {
    display: none;
  }

  .memo-chart-rating-prefix {
    display: none;
  }

  .memo-chart-row .memo-chart-track {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .memo-chart-row > strong {
    display: none;
  }

  .memo-game-header {
    display: grid;
    gap: var(--memo-space-2);
  }

  .memo-game-header h3 {
    font-size: 2.15rem;
  }

  .memo-game-header-icon {
    width: 64px;
    height: 64px;
  }

  .memo-game-header-icon .material-icons {
    font-size: 2.25rem;
  }

  .memo-game-status-row {
    align-items: flex-start;
  }

  .memo-game-metrics {
    grid-template-columns: 1fr;
  }

  .memo-game-metrics > div {
    min-height: 86px;
  }

  .memo-auth-shell {
    min-height: calc(100vh - 106px);
    padding: var(--memo-space-2) 0 var(--memo-space-3);
    background: var(--memo-primary);
  }

  .memo-auth-panel {
    text-align: left;
  }

  .memo-auth-panel h3 {
    margin-bottom: var(--memo-space-2);
    font-size: 2rem;
    line-height: 1.15;
    text-align: left;
  }

  .memo-oauth-panel {
    text-align: center;
  }

  .memo-game-shell {
    padding: var(--memo-space-3) 0;
  }

  .memo-body-home {
    min-height: 100vh;
  }

  .memo-footer .footer-copyright {
    min-height: auto;
    padding: 0.85rem 0 calc(0.85rem + env(safe-area-inset-bottom));
    font-size: 0.86rem;
  }

  .memo-footer-inner {
    width: min(100% - 24px, 520px);
    flex-direction: column;
    gap: 0.2rem;
    text-align: center;
  }

  .memo-footer-description {
    text-align: center;
  }

  .section-top {
    display: block;
    min-height: 540px;
    padding: 0 0 32px;
    background-position: center top;
  }

  .section-top .content {
    position: relative !important;
    top: auto;
    right: auto;
    z-index: 1;
    width: 100%;
    max-width: 430px;
    margin: 28px auto 0;
    padding: 0 18px;
    text-align: center;
    transform: none !important;
  }

  .section-top .content h1 {
    font-size: clamp(2.45rem, 13vw, 3.35rem);
    line-height: 1.12;
  }

  .section-top .content p {
    max-width: 23rem;
    margin: var(--memo-space-2) auto 0;
    font-size: 1.1rem;
    line-height: 1.45;
  }

  .section-stream {
    min-height: auto;
    padding: var(--memo-space-3) 0 var(--memo-space-4);
    background-position: center bottom;
  }

  .section-stream .play {
    width: 132px;
    max-width: 34vw;
    margin: 0 auto var(--memo-space-3);
    transform: none !important;
    box-shadow: 0 10px 26px rgba(18, 13, 32, 0.2);
  }

  .section-stream .content {
    position: static !important;
    width: min(100% - 24px, 520px);
    margin: 0 auto;
    transform: none !important;
  }

  .section-stream .content > div {
    margin-bottom: var(--memo-space-2);
    padding: 1.1rem 1.15rem;
    background: rgba(255, 255, 255, 0.11);
  }

  .section-stream .content h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.75rem, 9vw, 2.2rem);
    line-height: 1.12;
  }

  .section-stream .content p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.55;
  }
}