/* ==========================================================================
   Ελληνικά Verbs Trainer — Modern Aegean Theme Stylesheet
   ========================================================================== */

:root {
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-greek: 'Outfit', 'Plus Jakarta Sans', "Segoe UI", "Georgia", "Times New Roman", serif;
  
  /* Цветовая палитра: Средиземноморский синий и Эгейское море */
  --color-primary: #0284c7;
  --color-primary-hover: #0369a1;
  --color-primary-light: #e0f2fe;
  --color-primary-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  --color-primary-glow: rgba(2, 132, 199, 0.25);
  
  --color-accent: #0284c7;
  --color-success: #10b981;
  --color-success-bg: #d1fae5;
  --color-danger: #ef4444;
  --color-danger-bg: #fee2e2;
  --color-warning: #f59e0b;
  --color-warning-bg: #fef3c7;
  
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-secondary: #f1f5f9;
  --bg-input: #ffffff;
  
  --border-color: #e2e8f0;
  --border-focus: #0284c7;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-inverted: #ffffff;
  
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.06);
  --shadow-glow: 0 0 20px rgba(2, 132, 199, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Тёмная тема */
body.dark {
  --color-primary: #38bdf8;
  --color-primary-hover: #7dd3fc;
  --color-primary-light: rgba(56, 189, 248, 0.12);
  --color-primary-gradient: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  --color-primary-glow: rgba(56, 189, 248, 0.25);
  
  --color-success: #34d399;
  --color-success-bg: rgba(16, 185, 129, 0.15);
  --color-danger: #f87171;
  --color-danger-bg: rgba(239, 68, 68, 0.15);
  --color-warning: #fbbf24;
  --color-warning-bg: rgba(245, 158, 11, 0.15);
  
  --bg-app: #090d16;
  --bg-card: #111827;
  --bg-card-secondary: #1a2234;
  --bg-input: #1a2234;
  
  --border-color: #1f293d;
  --border-focus: #38bdf8;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --shadow-md: 0 4px 12px -2px rgb(0 0 0 / 0.5);
  --shadow-lg: 0 12px 24px -4px rgb(0 0 0 / 0.6);
  --shadow-xl: 0 20px 32px -6px rgb(0 0 0 / 0.7);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.2);
}

/* ================= Базовые стили ================= */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

.app-container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Карточки */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 24px;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

/* ================= Шапка ================= */

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: nowrap;
  gap: 16px;
  padding-bottom: 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  user-select: none;
  flex-shrink: 1;
  min-width: 0;
}

.logo-icon {
  width: 84px;
  height: 84px;
  min-width: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28), 0 0 0 2px rgba(255, 215, 0, 0.35);
  border: 2px solid rgba(255, 255, 255, 0.25);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
  display: block;
}

.brand:hover .logo-img {
  transform: scale(1.06) rotate(2deg);
  box-shadow: 0 8px 26px rgba(37, 99, 235, 0.4), 0 0 0 3px rgba(255, 215, 0, 0.55);
}

.brand-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-text h1 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  line-height: 1.15;
}

.subtitle {
  font-size: 0.86rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

/* Кнопка-иконка в шапке (словарь и др.) */
.header-icon-btn {
  width: 40px;
  height: 40px;
  min-width: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  flex-shrink: 0;
}

.header-icon-btn:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.header-icon-btn:active {
  transform: translateY(0);
}

.header-icon-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(2, 132, 199, 0.4);
}

body.dark .header-icon-btn {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--color-primary);
}

body.dark .header-icon-btn:hover {
  background-color: rgba(56, 189, 248, 0.12);
  border-color: var(--color-primary);
}

/* Переключатель темы: солнце в тёмной теме, луна в светлой */
body.dark .theme-icon-sun {
  display: block !important;
  color: #fbbf24;
}
body.dark .theme-icon-moon {
  display: none !important;
}
body:not(.dark) .theme-icon-sun {
  display: none !important;
}
body:not(.dark) .theme-icon-moon {
  display: block !important;
  color: var(--color-primary);
}

/* ================= Кнопки ================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-card-secondary);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
}

.btn-danger-outline {
  background-color: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.btn-danger-outline:hover {
  background-color: var(--color-danger-bg);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
  font-size: 0.85rem;
}

.btn-ghost:hover {
  color: var(--text-main);
  background-color: var(--bg-card-secondary);
}

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-full);
  background: var(--bg-card-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-icon:hover {
  background-color: var(--border-color);
}

.btn-small {
  padding: 4px 8px;
  font-size: 0.8rem;
}

.text-link {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: underline;
  padding: 2px 4px;
}

.text-link:hover {
  color: var(--color-primary-hover);
}

/* Тема иконки */
body.dark .theme-icon-light { display: inline; }
body.dark .theme-icon-dark { display: none; }
/* ================= Вкладки режимов ================= */

.mode-tabs-container {
  width: 100%;
}

.mode-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.mode-tab {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  color: var(--text-main);
  font-family: inherit;
}

.mode-tab:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mode-tab.active {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
}

body.dark .mode-tab.active {
  background-color: #0c2d48;
}

.mode-tab-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.mode-tab-text {
  display: flex;
  flex-direction: column;
}

.mode-tab-text strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.mode-tab-text small {
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.mode-tab.active .mode-tab-text strong {
  color: var(--color-primary);
}

/* ================= Панель настроек ================= */

.controls-panel {
  padding: 14px 20px;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.select-input {
  font-family: inherit;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  cursor: pointer;
  outline: none;
}

.select-input:focus {
  border-color: var(--border-focus);
}

/* Switch (тумблер) */
.switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--border-color);
  transition: 0.2s;
  border-radius: 20px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.2s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-primary);
}

input:checked + .slider:before {
  transform: translateX(16px);
}

.toggle-group {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.toggle-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
}

/* ================= Статистика ================= */

.stats-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}

.stat-badge {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 0.725rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 800;
  margin-top: 2px;
}

.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-primary { color: var(--color-primary); }

/* ================= Основная карточка тренажёра ================= */

.trainer-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.card-top-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.mode-badge {
  font-size: 0.8rem;
  font-weight: 700;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(2, 132, 199, 0.3);
}

.verb-rank {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-card-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.verb-level-tag {
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.word-pos-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.word-pos-tag.pos-noun {
  background-color: rgba(16, 185, 129, 0.12);
  color: #059669;
  border-color: rgba(16, 185, 129, 0.25);
}

.word-pos-tag.pos-verb {
  background-color: rgba(59, 130, 246, 0.12);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.25);
}

.word-pos-tag.pos-adjective {
  background-color: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border-color: rgba(245, 158, 11, 0.25);
}

.word-pos-tag.pos-adverb,
.word-pos-tag.pos-pronoun {
  background-color: rgba(139, 92, 246, 0.12);
  color: #7c3aed;
  border-color: rgba(139, 92, 246, 0.25);
}

/* ================= Уровни владения словом (SRS Mastery) ================= */
.word-mastery-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid transparent;
  user-select: none;
  transition: all var(--transition-fast);
}

.mastery-level-0 {
  background-color: rgba(148, 163, 184, 0.12);
  color: #94a3b8;
  border-color: rgba(148, 163, 184, 0.25);
}

.mastery-level-1 {
  background-color: rgba(245, 158, 11, 0.14);
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.35);
}

.mastery-level-2 {
  background-color: rgba(234, 179, 8, 0.16);
  color: #eab308;
  border-color: rgba(234, 179, 8, 0.4);
}

.mastery-level-3 {
  background-color: rgba(16, 185, 129, 0.14);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.35);
}

.mastery-level-4 {
  background-color: rgba(14, 165, 233, 0.16);
  color: #0ea5e9;
  border-color: rgba(14, 165, 233, 0.4);
}

.mastery-check {
  background-color: rgba(99, 102, 241, 0.14);
  color: #a5b4fc;
  border-color: rgba(99, 102, 241, 0.4);
}

.mastery-level-5 {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.22), rgba(245, 158, 11, 0.28));
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.2);
}

/* Бейдж умного подбора сессии на экране настроек */
.setup-srs-preview-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-card-secondary);
  border: 1px dashed var(--color-primary);
  color: var(--text-main);
  font-size: 0.88rem;
  margin-bottom: 14px;
}

.setup-srs-preview-badge .srs-preview-icon {
  font-size: 1.15rem;
}

.word-details-display {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-top: 4px;
}

.word-details-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--bg-card-secondary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.word-details-pill.highlight {
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

.mistake-pos-info {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
}

/* Задание */
.prompt-container {
  text-align: center;
  margin: 6px 0 12px;
}

.prompt-instruction {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.prompt-russian {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 6px;
  line-height: 1.25;
}

.prompt-transcription {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
}

/* Поле ввода */
.answer-form {
  width: 100%;
}

.input-field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.input-wrapper {
  display: flex;
  gap: 12px;
  position: relative;
}

.verb-input {
  flex: 1;
  font-family: var(--font-greek), var(--font-family);
  font-size: 1.5rem;
  font-weight: 600;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  outline: none;
  text-align: center;
  letter-spacing: 0.02em;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.verb-input::-webkit-search-decoration,
.verb-input::-webkit-search-cancel-button,
.verb-input::-webkit-search-results-button,
.verb-input::-webkit-search-results-decoration {
  -webkit-appearance: none;
  display: none;
}

.verb-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.15);
}

.verb-input.input-error {
  border-color: var(--color-danger);
  animation: shake 0.4s ease;
}

.verb-input.input-success {
  border-color: var(--color-success);
}

.submit-btn {
  padding: 12px 24px;
  font-size: 1rem;
  white-space: nowrap;
}

.key-hint {
  font-size: 0.7rem;
  background: rgba(255,255,255,0.25);
  border-radius: 4px;
  padding: 2px 6px;
  margin-left: 4px;
  font-weight: 400;
  opacity: 0.9;
}

/* Панель быстрых символов с ударениями */
.quick-chars-container {
  background-color: var(--bg-card-secondary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  border: 1px solid var(--border-color);
}

.quick-chars-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.quick-chars-title {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-weight: 600;
}

.quick-chars-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.char-btn {
  font-family: var(--font-greek), var(--font-family);
  font-size: 1.15rem;
  font-weight: 700;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.char-btn:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.char-btn:active {
  transform: translateY(0);
}

.keyboard-guide {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
  font-size: 0.825rem;
  color: var(--text-muted);
}

.keyboard-guide ul {
  margin-top: 6px;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.keyboard-guide code {
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-family: monospace;
  font-weight: bold;
}

/* ================= Блок обратной связи ================= */

.feedback-area {
  padding: 20px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeIn 0.25s ease;
}

.feedback-area.state-correct {
  background-color: var(--color-success-bg);
  border: 1px solid var(--color-success);
}

.feedback-area.state-incorrect {
  background-color: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
}

.feedback-area.state-revealed {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning);
}

/* Карточка знакомства («Учим слова») */
.feedback-area.state-intro {
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  cursor: pointer;
}

.feedback-badge {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feedback-badge.badge-success { color: var(--color-success); }
.feedback-badge.badge-danger { color: var(--color-danger); }
.feedback-badge.badge-warning { color: var(--color-warning); }
.feedback-badge.badge-intro { color: var(--color-primary); }

.feedback-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.correct-answer-display {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-greek), var(--font-family);
  color: var(--text-main);
  cursor: pointer;
  user-select: none;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.correct-answer-display:hover,
.correct-answer-display:active {
  color: var(--color-primary);
}

.feedback-area.state-correct {
  cursor: pointer;
}

.transcription-display {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Подсветка различий букв (Diff) */
.diff-display {
  font-family: var(--font-greek), monospace;
  font-size: 1.25rem;
  padding: 8px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  max-width: 100%;
  box-sizing: border-box;
}
.diff-word { display: inline-flex; flex-wrap: wrap; gap: 1px; max-width: 100%; }   /* очень длинное слово всё же переносится */
@media (max-width: 600px) {
  .diff-display { font-size: 1.1rem; gap: 6px 10px; padding: 8px; }
  .diff-char { padding: 1px 2px; }
}

.diff-char {
  padding: 2px 4px;
  border-radius: 3px;
}

.diff-match {
  color: var(--color-success);
  font-weight: bold;
}

.diff-wrong {
  color: var(--color-danger);
  background-color: #fee2e2;
  text-decoration: underline;
  font-weight: bold;
}

.diff-missing {
  color: var(--color-warning);
  background-color: #ffedd5;
  font-weight: bold;
}

/* Пример употребления */
.example-box {
  background: var(--bg-card);
  border-left: 4px solid var(--color-primary);
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 4px;
}

.example-el {
  font-family: var(--font-greek), var(--font-family);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.example-ru {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.feedback-actions {
  display: flex;
  gap: 12px;
  margin-top: 6px;
}

.card-footer-actions {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

/* ================= Модальное окно (Справочник 200 слов) ================= */

.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-overlay.open {
  display: flex !important;
  animation: fadeIn 0.2s ease;
}

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

.modal-dialog {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.modal-header {
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.25rem;
  color: var(--text-main);
}

.close-modal-btn {
  font-size: 1.1rem;
  line-height: 1;
}

/* =========================================================================
   ЭКРАН 5: СЛОВАРЬ (SCREEN DICTIONARY)
   ========================================================================= */

#screen-dictionary {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

#screen-dictionary[hidden] {
  display: none !important;
}

.dict-filter-card {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dict-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.dict-search-icon {
  position: absolute;
  left: 14px;
  font-size: 1.1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.dict-search-input {
  width: 100%;
  padding: 12px 42px 12px 42px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: all var(--transition-fast);
}

.dict-search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.dict-search-clear-btn {
  position: absolute;
  right: 12px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: none;
  background: var(--bg-card-secondary);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.dict-search-clear-btn:hover {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.dict-filter-tags-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.dict-filter-tags-scroll::-webkit-scrollbar {
  display: none;
}

.dict-filter-tags {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  width: max-content;
}

.tag-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: all var(--transition-fast);
}

.tag-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.tag-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.3);
}

.dict-content-card {
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.dict-list-wrapper {
  overflow-x: auto;
  width: 100%;
}

/* Настольная таблица */
.dict-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.dict-table th {
  position: sticky;
  top: 0;
  background-color: var(--bg-card-secondary);
  color: var(--text-muted);
  text-align: left;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--border-color);
  z-index: 2;
}

.dict-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.dict-table tr:hover {
  background-color: var(--color-primary-light);
}

.dict-greek-line {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.dict-greek {
  font-family: var(--font-greek), var(--font-family);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

.dict-trans {
  color: var(--text-muted);
  font-size: 0.84rem;
  font-style: italic;
}

.dict-ex-el {
  font-family: var(--font-greek), var(--font-family);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-main);
}

.dict-ex-ru {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.btn-dict-conjugate {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 11px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(2, 132, 199, 0.4);
  background-color: rgba(2, 132, 199, 0.08);
  color: var(--color-primary);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-dict-conjugate:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-dict-conjugate.desktop-only {
  margin-top: 5px;
}

.dict-pagination {
  padding: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
}

.dict-load-more-btn {
  min-width: 220px;
  font-weight: 700;
}

.dict-counter {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dict-screen-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 12px 4px 24px 4px;
}

.mobile-only {
  display: none !important;
}

.desktop-only {
  display: inline-flex;
}

/* =========================================================================
   АДАПТАЦИЯ СЛОВАРЯ ДЛЯ МОБИЛЬНЫХ ЭКРАНОВ (<= 768px)
   ========================================================================= */

@media (max-width: 768px) {
  .mobile-only {
    display: inline-flex !important;
  }

  .desktop-only {
    display: none !important;
  }

  .dict-filter-card {
    padding: 12px 14px;
    gap: 10px;
  }

  .dict-content-card {
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .dict-list-wrapper {
    overflow: visible;
  }

  .dict-table thead {
    display: none;
  }

  .dict-table,
  .dict-table tbody {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }

  .dict-row {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "greek badges"
      "trans badges"
      "ru ru"
      "example example"
      "actions actions";
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    gap: 4px 10px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s ease, border-color 0.15s ease;
  }

  .dict-row:active {
    border-color: var(--color-primary);
  }

  .dict-cell-id {
    display: none !important;
  }

  .dict-cell-level {
    grid-area: badges;
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 0;
    border: none;
  }

  .dict-cell-pos {
    grid-area: badges;
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    margin-top: 26px;
    padding: 0;
    border: none;
  }

  .dict-cell-greek {
    grid-area: greek;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    border: none;
    gap: 2px;
  }

  .dict-cell-greek .dict-greek {
    font-size: 1.25rem;
    line-height: 1.2;
  }

  .dict-cell-trans {
    grid-area: trans;
    padding: 0;
    border: none;
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  .dict-cell-ru {
    grid-area: ru;
    padding: 6px 0 2px 0;
    border: none;
    font-size: 1.05rem;
    line-height: 1.35;
    color: var(--text-main);
  }

  .dict-cell-example {
    grid-area: example;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    background: var(--bg-card-secondary);
    border: 1px solid var(--border-color);
    margin-top: 4px;
  }

  .dict-cell-example:empty {
    display: none;
  }

  .dict-cell-audio {
    grid-area: actions;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0 0 0;
    border-top: 1px dashed var(--border-color);
    border-bottom: none;
    gap: 12px;
    margin-top: 4px;
  }

  .dict-cell-audio .dict-audio-btn {
    width: 42px;
    height: 42px;
    min-width: 42px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
  }

  .dict-cell-audio .btn-dict-conjugate-mobile {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    flex-grow: 1;
    margin-top: 0;
  }

  .dict-screen-footer {
    flex-direction: column-reverse;
    gap: 10px;
  }

  .dict-screen-footer .btn {
    width: 100%;
    justify-content: center;
  }
}

.modal-footer {
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card-secondary);
}

/* ================= Модальные окна ошибки и итогов сессии ================= */

.modal-body-scroll {
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Модальное окно ошибки */
.mistake-modal-dialog {
  max-width: 580px;
}

.modal-header-mistake {
  background-color: var(--color-warning-bg);
  border-bottom: 1px solid rgba(234, 88, 12, 0.2);
}

.modal-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mistake-icon {
  font-size: 1.4rem;
}

.mistake-banner {
  background: var(--bg-card-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.mistake-word-main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mistake-greek {
  font-family: var(--font-greek), var(--font-family);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.mistake-transcription {
  font-size: 1.05rem;
  color: var(--text-muted);
  font-style: italic;
}

.mistake-russian {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 2px;
}

.mistake-diff-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.diff-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mistake-hint {
  font-size: 0.85rem;
  color: var(--color-warning);
  font-weight: 600;
}

.mistake-modal-footer {
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.btn-lg {
  padding: 12px 22px;
  font-size: 1rem;
}

/* Модальное окно итогов сессии */
.summary-modal-dialog {
  max-width: 680px;
}

.summary-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.summary-stat-card {
  background: var(--bg-card-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.summary-stat-label {
  font-size: 0.725rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.summary-stat-val {
  font-size: 1.5rem;
  font-weight: 800;
  margin-top: 2px;
}

.summary-mistakes-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}

.summary-section-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.summary-list-wrapper {
  max-height: 280px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.summary-perfect-message {
  text-align: center;
  padding: 30px 20px;
  background: var(--color-success-bg);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
}

.perfect-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.summary-modal-footer {
  padding: 16px 24px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

/* ================= Анимации ================= */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

/* ================= Адаптивность для мобильных ================= */

@media (max-width: 640px) {
  .trainer-card {
    padding: 16px 14px;
    gap: 16px;
  }
  
  .prompt-container {
    gap: 4px;
  }

  .prompt-russian {
    font-size: 1.45rem;
    margin-bottom: 2px;
  }
  
  .input-wrapper {
    flex-direction: column;
    gap: 8px;
  }
  
  .verb-input {
    font-size: 1.2rem;
    padding: 10px 14px;
  }
  
  .verb-input.input-success {
    cursor: pointer;
  }

  .submit-btn {
    width: 100%;
    padding: 11px 16px;
  }
  
  .char-btn {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }
  
  .stats-panel {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    padding: 8px;
  }

  .stat-badge {
    padding: 6px 8px;
  }
  
  .controls-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ==========================================================================
   Синхронизация и Многопользовательский режим (Auth & Sync UI)
   ========================================================================== */

/* Плашка статуса синхронизации */
/* Круглая кнопка статуса синхронизации с облаком */
.sync-status-pill {
  position: relative;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  padding: 0;
}

.sync-status-pill:hover {
  transform: translateY(-1px);
}

.sync-status-pill .sync-icon {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sync-status-pill .sync-status-svg {
  display: block;
}

.sync-status-pill .sync-text {
  display: none !important;
}

/* 1. ПОДКЛЮЧЕНО К ОБЛАКУ (ЗЕЛЕНЫЙ / EMERALD) */
.sync-status-pill.sync-synced {
  border-color: rgba(16, 185, 129, 0.55);
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.sync-status-pill.sync-synced:hover {
  border-color: #10b981;
  background-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.35);
}

.sync-status-pill.sync-synced .sync-svg-synced path {
  fill: rgba(16, 185, 129, 0.15);
}

/* 2. НЕТ СВЯЗИ / ОФФЛАЙН (КРАСНЫЙ / CORAL С ПУЛЬСАЦИЕЙ) */
.sync-status-pill.sync-offline {
  border-color: rgba(239, 68, 68, 0.65);
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  animation: pulseOfflineBorder 2.2s infinite ease-in-out;
}

.sync-status-pill.sync-offline:hover {
  border-color: #ef4444;
  background-color: rgba(239, 68, 68, 0.2);
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.45);
}

@keyframes pulseOfflineBorder {
  0%, 100% {
    border-color: rgba(239, 68, 68, 0.5);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
  }
  50% {
    border-color: rgba(239, 68, 68, 0.95);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.4);
  }
}

/* 3. ИДЕТ СИНХРОНИЗАЦИЯ / ОЧЕРЕДЬ (СИНИЙ / SKY BLUE) */
.sync-status-pill.sync-syncing,
.sync-status-pill.sync-pending {
  border-color: rgba(14, 165, 233, 0.6);
  background-color: rgba(14, 165, 233, 0.1);
  color: #0ea5e9;
}

.sync-status-pill.sync-syncing:hover,
.sync-status-pill.sync-pending:hover {
  border-color: #0ea5e9;
  background-color: rgba(14, 165, 233, 0.2);
  box-shadow: 0 0 14px rgba(14, 165, 233, 0.4);
}

.sync-status-pill .sync-spin {
  animation: spin 1.2s linear infinite;
}

/* 4. ГОСТЬ / ЛОКАЛЬНО (НЕЙТРАЛЬНЫЙ) */
.sync-status-pill.sync-guest {
  border-color: var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-muted);
}

.sync-status-pill.sync-guest:hover {
  border-color: var(--text-secondary);
  background-color: var(--bg-card-secondary);
  color: var(--text-primary);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Всплывающая подсказка статуса синхронизации */
.sync-tooltip {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: #0f172a;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  white-space: nowrap;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1100;
}

.sync-tooltip::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 8px;
  height: 8px;
  background: inherit;
}

body.dark .sync-tooltip {
  background: #1e293b;
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6);
}

.sync-status-pill:hover .sync-tooltip,
.sync-status-pill.tooltip-visible .sync-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 600px) {
  .sync-tooltip {
    left: auto;
    right: -40px;
    transform: translateY(-6px);
  }
  .sync-tooltip::before {
    left: auto;
    right: 52px;
    transform: rotate(45deg);
  }
  .sync-status-pill:hover .sync-tooltip,
  .sync-status-pill.tooltip-visible .sync-tooltip {
    transform: translateY(0);
  }
}

/* Плашка профиля пользователя */
.user-profile-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px 4px 5px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  position: relative;
  flex-shrink: 0;
  white-space: nowrap;
}

.user-profile-pill:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.user-profile-pill .user-name {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-profile-pill .user-login-btn {
  color: var(--color-primary);
  font-weight: 700;
}

.user-profile-pill .user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #6366f1);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.user-profile-pill .user-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Выпадающее меню профиля */
.user-dropdown-menu {
  position: fixed;
  z-index: 1000;
  width: 250px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  padding: 8px 0;
  display: flex;
  flex-direction: column;
}

.user-dropdown-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.dropdown-name {
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.95rem;
}

.dropdown-email {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
  word-break: break-all;
}

.dropdown-badge {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #10b981;
  background-color: rgba(16, 185, 129, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.user-dropdown-actions {
  padding: 6px 0;
}

.dropdown-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background-color var(--transition-speed);
}

.dropdown-item:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.dropdown-item.dropdown-logout {
  color: #ef4444;
}

.dropdown-item.dropdown-logout:hover {
  background-color: rgba(239, 68, 68, 0.1);
}

/* Модальное окно авторизации */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 16px;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.hidden,
[hidden] {
  display: none !important;
}

.auth-modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 420px;
  padding: 28px 24px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.auth-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}

.auth-header {
  text-align: center;
  margin-bottom: 20px;
}

.auth-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.auth-tabs {
  display: flex;
  background-color: var(--bg-card-secondary);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 20px;
}

.auth-tab {
  flex: 1;
  padding: 8px 12px;
  background: none;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.auth-tab.active {
  background-color: var(--bg-card);
  color: var(--color-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.auth-error-banner {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  line-height: 1.4;
}

.auth-success-banner {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  line-height: 1.4;
}

.auth-info-banner {
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #2563eb;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  line-height: 1.4;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-input-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
}

.auth-input-group input {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-card-secondary);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: border-color var(--transition-speed);
}

.auth-input-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.auth-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.35;
  margin-top: 4px;
}

.auth-checkbox-label input {
  margin-top: 2px;
}

.auth-submit-btn {
  padding: 12px;
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition-speed);
  margin-top: 6px;
}

.auth-submit-btn:hover {
  background-color: var(--color-primary-hover);
}

.auth-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0;
}

/* Экран подтверждения почты */
.verify-instructions {
  text-align: center;
  margin-bottom: 16px;
}

.verify-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.verify-instructions h3 {
  margin: 0 0 6px 0;
  color: var(--text-main);
  font-size: 1.2rem;
}

.verify-instructions p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.verify-code-input {
  font-size: 1.8rem !important;
  font-weight: 800;
  text-align: center;
  letter-spacing: 8px;
  padding: 10px !important;
}

.verify-resend-box {
  text-align: center;
  margin-top: 14px;
}

.auth-text-btn {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

/* Разделитель и соцсети */
.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 20px 0 16px;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.auth-divider span {
  padding: 0 12px;
}

.auth-social-buttons {
  display: flex;
  gap: 12px;
}

.social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-card);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.social-btn:hover {
  background-color: var(--bg-card-secondary);
  border-color: var(--color-primary);
}

/* Тост уведомление */
.auth-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #0f172a;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  z-index: 10000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.auth-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.apple-submit-btn {
  background-color: #000000 !important;
  color: #ffffff !important;
}

.apple-submit-btn:hover {
  background-color: #1a1a1a !important;
}

.google-submit-btn {
  background-color: #4285F4 !important;
  color: #ffffff !important;
}

.google-submit-btn:hover {
  background-color: #3367d6 !important;
}

.auth-helper-note {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background-color: var(--bg-card-secondary);
  border-radius: 8px;
  padding: 10px 14px;
  line-height: 1.45;
  text-align: center;
}

@media (max-width: 640px) {
  .sync-status-pill .sync-text {
    display: none;
  }
  .sync-status-pill {
    padding: 6px 8px;
  }
  .auth-toast {
    left: 16px;
    right: 16px;
    bottom: 16px;
    text-align: center;
  }
}

/* ==============================================================================
   OTP Verification: 6-Digit Smart Boxes & Auto-Paste
   ============================================================================== */
.otp-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 10px 0 18px;
  width: 100%;
}

.otp-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-align: center;
}

.otp-boxes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 360px;
}

.otp-box {
  width: 44px;
  height: 54px;
  border: 2px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  border-radius: 10px;
  font-size: 1.65rem;
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  text-align: center;
  outline: none;
  transition: all 0.15s ease-in-out;
  caret-color: var(--color-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.otp-box:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
  transform: translateY(-1px);
}

.otp-box.filled {
  border-color: var(--color-primary);
  background-color: rgba(37, 99, 235, 0.04);
}

.otp-dash {
  font-size: 1.2rem;
  color: var(--text-muted);
  font-weight: 700;
  user-select: none;
  padding: 0 2px;
}

.otp-actions {
  margin-top: 14px;
  display: flex;
  justify-content: center;
}

.otp-paste-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.otp-paste-btn:hover {
  background-color: rgba(37, 99, 235, 0.08);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.otp-paste-btn:active {
  transform: translateY(0);
}

@keyframes pulseOtpSuccess {
  0% { transform: scale(1); }
  50% { transform: scale(1.04); border-color: #10b981; }
  100% { transform: scale(1); }
}

.otp-boxes.success .otp-box {
  animation: pulseOtpSuccess 0.4s ease-in-out;
  border-color: #10b981;
  background-color: rgba(16, 185, 129, 0.08);
  color: #10b981;
}

@keyframes shakeOtpError {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.otp-boxes.error .otp-box {
  animation: shakeOtpError 0.4s ease-in-out;
  border-color: #ef4444;
  background-color: rgba(239, 68, 68, 0.06);
}

@media (max-width: 420px) {
  .otp-boxes {
    gap: 6px;
  }
  .otp-box {
    width: 38px;
    height: 48px;
    font-size: 1.4rem;
  }
}

/* Быстрый выбор обнаруженного аккаунта (Apple / Google) */
.auth-quick-account {
  margin-bottom: 16px;
  text-align: left;
  width: 100%;
}

.quick-account-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.quick-account-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-card-secondary);
  border: 1.5px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.quick-account-chip:hover {
  border-color: var(--color-primary);
  background-color: rgba(37, 99, 235, 0.04);
  transform: translateY(-1px);
}

.quick-account-chip .quick-chip-action {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 700;
}

/* ================= Стили режима спряжений (Phase 3: Κλίση) ================= */

/* Бейджи задания на спряжение (время и лицо) */
.conjugation-task-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
  justify-content: center;
}

.task-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.task-badge-tense {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border: 1.5px solid rgba(2, 132, 199, 0.3);
}

body.dark .task-badge-tense {
  background-color: #082f49;
  color: #7dd3fc;
  border-color: #0284c7;
}

.task-badge-person {
  background-color: #fef3c7;
  color: #b45309;
  border: 1.5px solid #fde68a;
}

body.dark .task-badge-person {
  background-color: #451a03;
  color: #fcd34d;
  border-color: #78350f;
}

/* Выделение подсказки и цели в режиме спряжений */
.conjugation-prompt-gray {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.conjugation-target-highlight {
  color: #10b981;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  margin-left: 6px;
  display: inline-block;
}

body.dark .conjugation-target-highlight {
  color: #34d399;
}

/* Карточка интеллектуальной диагностики грамматической ошибки */
.mistake-diagnosis-card {
  background: var(--bg-card);
  border: 2px solid var(--color-warning);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  text-align: left;
}

body.dark .mistake-diagnosis-card {
  border-color: #ea580c;
  background: #1c1917;
}

.diagnosis-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.diagnosis-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.diagnosis-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-warning);
}

.diagnosis-body {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-main);
}

.diagnosis-body strong {
  color: var(--color-primary);
}

.diagnosis-main-note {
  margin: 0 0 10px 0;
  font-size: 0.96rem;
  line-height: 1.5;
  color: var(--text-main);
}

.diagnosis-breakdown {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-card-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 4px;
}

#conjugation-modal {
  z-index: 1050;
}

/* Интерактивная таблица полной парадигмы глагола (18 форм) */
.conjugation-modal-dialog {
  max-width: 820px;
  width: 95%;
}

.conjugation-modal-banner {
  background: var(--bg-card-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
}

.conjugation-banner-verb {
  font-family: var(--font-greek), var(--font-family);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
}

.conjugation-banner-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.paradigm-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  margin-top: 10px;
}

.paradigm-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.paradigm-table th {
  background: var(--bg-card-secondary);
  padding: 12px 14px;
  font-weight: 700;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-main);
  white-space: nowrap;
}

.paradigm-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.paradigm-table tr:hover td {
  background-color: rgba(2, 132, 199, 0.04);
}

.paradigm-cell-speakable {
  cursor: pointer;
  transition: all var(--transition-fast);
}

.paradigm-cell-speakable:hover {
  background-color: var(--color-primary-light) !important;
  color: var(--color-primary) !important;
}

.paradigm-cell-speakable:active {
  transform: scale(0.98);
}

.paradigm-pronoun-col {
  font-weight: 700;
  color: var(--color-primary);
  width: 130px;
  white-space: nowrap;
}

.paradigm-pronoun-sub {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  display: block;
}

.paradigm-form-text {
  font-family: var(--font-greek), var(--font-family);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.paradigm-form-alt {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.paradigm-target-cell {
  background-color: var(--color-primary-light) !important;
  border: 2px solid var(--color-primary) !important;
  border-radius: var(--radius-sm);
  font-weight: 800 !important;
}

.paradigm-target-cell .paradigm-form-text {
  color: var(--color-primary);
  font-weight: 800;
}

/* Кнопка открытия таблицы спряжения в словаре */
.btn-dict-conjugate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid rgba(2, 132, 199, 0.4);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-dict-conjugate:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

/* ==========================================================================
   МНОГОЭКРАННАЯ НАВИГАЦИЯ И ДАШБОРД (v2.3.0)
   ========================================================================== */

#brand-home-btn {
  cursor: pointer;
  user-select: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

#brand-home-btn:hover {
  opacity: 0.85;
}

#brand-home-btn:active {
  transform: scale(0.98);
}

.screen-view {
  display: none;
}

.screen-view.active {
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: screenFadeIn 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes screenFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================================================
   ЭКРАН 1: ДАШБОРД (ГЛАВНЫЙ ЭКРАН)
   ========================================================================= */

/* Hero Banner ученика */
.hero-card {
  padding: 24px 28px;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(2, 132, 199, 0.05) 100%);
  border: 1px solid rgba(2, 132, 199, 0.18);
  box-shadow: 0 10px 25px -5px rgba(2, 132, 199, 0.08), 0 8px 10px -6px rgba(2, 132, 199, 0.04);
  position: relative;
  overflow: hidden;
}

body.dark .hero-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(56, 189, 248, 0.08) 100%);
  border-color: rgba(56, 189, 248, 0.22);
  box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.5), 0 0 20px rgba(56, 189, 248, 0.08);
}

.user-dashboard-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.user-card-main {
  display: flex;
  align-items: center;
  gap: 18px;
}

.user-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.user-avatar {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
  border: 3px solid rgba(255, 255, 255, 0.9);
}

body.dark .user-avatar {
  background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  border-color: rgba(30, 41, 59, 0.8);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
}

.user-live-indicator {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-card);
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

/* Онлайн — приятный зеленый цвет с мягкой пульсацией */
.user-live-indicator.status-online,
.user-live-indicator:not(.status-offline) {
  background-color: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseLive 2.4s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

/* Оффлайн — красная мигающая точка при отключении от сети */
.user-live-indicator.status-offline {
  background-color: #ef4444;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.8);
  animation: blinkRed 0.85s infinite ease-in-out;
}

@keyframes pulseLive {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@keyframes blinkRed {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.9), 0 0 0 0 rgba(239, 68, 68, 0.6);
  }
  50% {
    opacity: 0.2;
    transform: scale(0.9);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
  }
}

.user-card-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.user-greeting-sub {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.user-name-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.user-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.user-status-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.user-email {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.user-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-card-actions .btn {
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 16px;
}

/* Сетка показателей дашборда (4 карточки в ряд) */
.dashboard-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.dash-stat-card {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.dash-stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: var(--shadow-md);
}

body.dark .dash-stat-card:hover {
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 8px 20px -4px rgba(0, 0, 0, 0.4);
}

/* Кликабельная карточка Банка Ошибок */
.stat-card-mistakes.clickable-card {
  cursor: pointer;
  user-select: none;
}

.stat-card-mistakes.clickable-card:hover {
  transform: translateY(-3px);
  border-color: rgba(244, 63, 94, 0.55);
  box-shadow: 0 10px 24px -4px rgba(244, 63, 94, 0.22);
}

.stat-card-mistakes.clickable-card:active {
  transform: translateY(-1px);
}

body.dark .stat-card-mistakes.clickable-card:hover {
  border-color: rgba(251, 113, 133, 0.6);
  box-shadow: 0 10px 26px -4px rgba(244, 63, 94, 0.35);
}

.dash-stat-action-tag {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(244, 63, 94, 0.12);
  color: #e11d48;
  border: 1px solid rgba(244, 63, 94, 0.25);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

body.dark .dash-stat-action-tag {
  background: rgba(244, 63, 94, 0.2);
  color: #fda4af;
  border-color: rgba(244, 63, 94, 0.35);
}

.stat-card-mistakes.clickable-card:hover .dash-stat-action-tag {
  background: #e11d48;
  color: #ffffff;
  border-color: #e11d48;
  transform: translateX(2px);
}

body.dark .stat-card-mistakes.clickable-card:hover .dash-stat-action-tag {
  background: #f43f5e;
  color: #ffffff;
  border-color: #f43f5e;
}

.dash-stat-action-tag.tag-empty {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border-color: rgba(16, 185, 129, 0.25);
}

body.dark .dash-stat-action-tag.tag-empty {
  background: rgba(16, 185, 129, 0.18);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

.stat-card-mistakes.clickable-card:hover .dash-stat-action-tag.tag-empty {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
}

.dash-stat-top,
.dash-stat-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dash-stat-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
}

.dash-stat-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.icon-cyan {
  background: rgba(6, 182, 212, 0.14);
  color: #0891b2;
}

.icon-emerald {
  background: rgba(16, 185, 129, 0.14);
  color: #059669;
}

.icon-amber {
  background: rgba(245, 158, 11, 0.14);
  color: #d97706;
}

.icon-rose {
  background: rgba(239, 68, 68, 0.14);
  color: #dc2626;
}

body.dark .icon-cyan {
  background: rgba(6, 182, 212, 0.22);
  color: #22d3ee;
}
body.dark .icon-emerald {
  background: rgba(16, 185, 129, 0.22);
  color: #34d399;
}
body.dark .icon-amber {
  background: rgba(245, 158, 11, 0.22);
  color: #fbbf24;
}
body.dark .icon-rose {
  background: rgba(239, 68, 68, 0.22);
  color: #f87171;
}

.dash-stat-value {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  margin: 2px 0;
  letter-spacing: -0.02em;
}

.dash-stat-value small {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: normal;
}

.dash-progress-track {
  width: 100%;
  height: 6px;
  background-color: var(--bg-card-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 4px;
}

.dash-progress-bar {
  height: 100%;
  background: var(--color-primary-gradient);
  border-radius: var(--radius-full);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.dash-stat-caption,
.dash-stat-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Единая карточка уровней CEFR */
.levels-master-card {
  padding: 24px 28px;
}

.levels-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.levels-header-title,
.levels-header-text {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-icon-badge {
  font-size: 1.6rem;
  line-height: 1;
}

.levels-header-title h3,
.levels-header-text h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

.card-subtitle,
.levels-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.levels-card-total {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 12px;
  border-radius: var(--radius-full);
}

/* Сетка интерактивных чипов уровней */
.levels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.level-chip {
  background: var(--bg-card-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: inherit;
  color: var(--text-main);
  position: relative;
  outline: none;
}

.level-chip:hover {
  border-color: var(--color-primary);
  background: var(--bg-card);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.level-chip.active {
  border-color: var(--color-primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 2px var(--color-primary), var(--shadow-lg);
}

body.dark .level-chip.active {
  background: rgba(56, 189, 248, 0.08);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary), 0 0 20px rgba(56, 189, 248, 0.2);
}

.level-chip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.level-badge {
  font-size: 0.8rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  color: #ffffff;
  line-height: 1.2;
}

.badge-a1 { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.badge-a2 { background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%); }
.badge-b1 { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.badge-b2 { background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%); }

.bar-a1 { background: linear-gradient(90deg, #10b981 0%, #34d399 100%); }
.bar-a2 { background: linear-gradient(90deg, #0284c7 0%, #38bdf8 100%); }
.bar-b1 { background: linear-gradient(90deg, #f59e0b 0%, #fbbf24 100%); }
.bar-b2 { background: linear-gradient(90deg, #8b5cf6 0%, #a78bfa 100%); }

.level-chip-meta {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.level-chip-code {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.level-chip-words {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.default-status-pill {
  display: none;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.level-chip.active .default-status-pill {
  display: inline-block;
}

.level-chip.active .level-action-hint {
  display: none;
}

.level-chip-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  margin-top: 2px;
}

.level-count {
  font-weight: 700;
  color: var(--text-muted);
}

.level-action-hint {
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.85;
}

.level-chip:hover .level-action-hint {
  opacity: 1;
  text-decoration: underline;
}

/* Главные кнопки действий дашборда */
.dashboard-footer-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 8px;
}

.start-training-cta {
  background: var(--color-primary-gradient);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-lg);
  padding: 16px 36px;
  font-size: 1.18rem;
  font-weight: 800;
  font-family: var(--font-heading);
  box-shadow: 0 10px 24px -4px rgba(2, 132, 199, 0.45);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all var(--transition-normal);
}

.start-training-cta:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 14px 30px -4px rgba(2, 132, 199, 0.6);
  background: linear-gradient(135deg, #0369a1 0%, #1d4ed8 100%);
}

.start-training-cta:active {
  transform: translateY(0);
}

body.dark .start-training-cta {
  background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  color: #0b0f19;
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.4);
}

body.dark .start-training-cta:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #7dd3fc 100%);
  box-shadow: 0 0 32px rgba(56, 189, 248, 0.6);
}

.action-arrow {
  display: inline-block;
  font-size: 1.35rem;
  line-height: 1;
  transition: transform var(--transition-bounce);
}

.start-training-cta:hover .action-arrow {
  transform: translateX(6px);
}

.open-dict-cta {
  border-radius: var(--radius-lg);
  padding: 16px 26px;
  font-size: 1.02rem;
  font-weight: 700;
  border-width: 2px;
}

/* =========================================================================
   ЭКРАН 2: ВЫБОР ТИПА УПРАЖНЕНИЙ
   ========================================================================= */

.screen-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.nav-back-btn {
  font-weight: 700;
  border-radius: var(--radius-full);
  padding: 7px 16px;
}

.screen-step-pill {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.screen-title-block {
  margin-bottom: 4px;
}

.screen-title-block h2 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.screen-subtitle {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.exercise-types-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.exercise-type-card {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  transition: all var(--transition-normal);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--bg-card);
  user-select: none;
  overflow: hidden;
}

.exercise-type-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.exercise-type-card:active {
  transform: translateY(-1px);
}

.mode-card-ru-el:hover {
  border-color: #06b6d4;
  box-shadow: 0 12px 28px -4px rgba(6, 182, 212, 0.25);
}

.mode-card-el-ru:hover {
  border-color: #6366f1;
  box-shadow: 0 12px 28px -4px rgba(99, 102, 241, 0.25);
}

.mode-card-conj:hover {
  border-color: #f59e0b;
  box-shadow: 0 12px 28px -4px rgba(245, 158, 11, 0.25);
}

.exercise-type-card.card-upcoming {
  opacity: 0.62;
  cursor: not-allowed;
  border-style: dashed;
  background: var(--bg-card-secondary);
}

.exercise-type-card.card-upcoming:hover {
  transform: none;
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.card-badge {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.12);
  color: #0891b2;
}

.badge-indigo {
  background: rgba(99, 102, 241, 0.12);
  color: #4f46e5;
}

.badge-amber {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
}

.badge-muted {
  background: var(--bg-card-secondary);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

body.dark .badge-cyan { background: rgba(6, 182, 212, 0.22); color: #22d3ee; }
body.dark .badge-indigo { background: rgba(99, 102, 241, 0.22); color: #818cf8; }
body.dark .badge-amber { background: rgba(245, 158, 11, 0.22); color: #fbbf24; }

.card-direction-icon {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.icon-muted {
  color: var(--text-muted);
}

.exercise-type-card h3 {
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.exercise-type-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex-grow: 1;
}

.exercise-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.card-tag {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
}

.card-tag.tag-muted {
  color: var(--text-muted);
}

.btn-select-indicator {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.exercise-type-card:hover .btn-select-indicator {
  transform: translateX(4px);
}

/* =========================================================================
   ЭКРАН 3: НАСТРОЙКИ ПАРАМЕТРОВ ТРЕНИРОВКИ
   ========================================================================= */

.selected-mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 800;
  margin-bottom: 8px;
  border: 1px solid rgba(2, 132, 199, 0.25);
}

.setup-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 28px;
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.setup-field-card {
  background: var(--bg-card-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition-fast);
}

.setup-field-card:hover {
  border-color: rgba(2, 132, 199, 0.4);
}

body.dark .setup-field-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
}

.field-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.field-icon {
  font-size: 1.1rem;
}

.custom-select {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--bg-card);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230284c7' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding: 12px 38px 12px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  transition: all var(--transition-fast);
  cursor: pointer;
  width: 100%;
}

body.dark .custom-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2338bdf8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.custom-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  outline: none;
}

/* Опции переключателей */
.setup-toggles-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.setup-toggle-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-card-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.setup-toggle-item:hover {
  border-color: rgba(2, 132, 199, 0.4);
}

.toggle-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toggle-text strong {
  font-size: 0.88rem;
  color: var(--text-main);
}

.toggle-text small {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* iOS-style Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider.round {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: 0.25s;
  border-radius: 34px;
}

.slider.round:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider.round {
  background-color: var(--color-primary);
}

input:checked + .slider.round:before {
  transform: translateX(20px);
}

.setup-start-bar {
  display: flex;
  justify-content: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.start-session-cta {
  min-width: 280px;
  padding: 16px 36px;
  font-size: 1.18rem;
  font-weight: 800;
  font-family: var(--font-heading);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 10px 24px -4px rgba(16, 185, 129, 0.45);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--transition-normal);
}

.start-session-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 14px 30px -4px rgba(16, 185, 129, 0.6);
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.start-session-cta:active {
  transform: translateY(0);
}

.start-icon {
  font-size: 1.35rem;
}

/* =========================================================================
   ЭКРАН 4: САМА ТРЕНИРОВКА (ОКОШКО УПРАЖНЕНИЯ)
   ========================================================================= */

.exercise-nav-bar {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.exercise-nav-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Кнопка закрытия тренировки в стиле macOS (Red Traffic Light) */
.macos-close-btn.session-card-exit-btn {
  margin-left: auto;
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #ff5f56;
  border: 1px solid #e0443e;
  box-shadow: inset 0 1px 0.5px rgba(255, 255, 255, 0.4), 0 1px 2px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  padding: 0;
  transition: all 0.16s ease;
  position: relative;
  outline: none;
}

/* Увеличенная невидимая область клика (36x36px) для удобного тапа на смартфонах */
.macos-close-btn.session-card-exit-btn::after {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
}

.macos-close-icon {
  display: block;
  opacity: 0.65;
  transition: opacity 0.15s ease, transform 0.15s ease;
  pointer-events: none;
}

@media (hover: hover) {
  /* На десктопе в покое крестик скрыт как в macOS, и плавно проявляется при наведении */
  .macos-close-icon {
    opacity: 0;
  }

  .macos-close-btn.session-card-exit-btn:hover .macos-close-icon,
  .macos-close-btn.session-card-exit-btn:focus-visible .macos-close-icon {
    opacity: 1;
    transform: scale(1.05);
  }
}

.macos-close-btn.session-card-exit-btn:hover {
  background-color: #ff3b30;
  border-color: #c92a20;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.55), 0 2px 7px rgba(255, 59, 48, 0.45);
  transform: scale(1.15);
}

.macos-close-btn.session-card-exit-btn:active {
  transform: scale(0.92);
  background-color: #bf261d;
  border-color: #991c14;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.35);
}

body.dark .macos-close-btn.session-card-exit-btn {
  background-color: #ff5f56;
  border-color: rgba(0, 0, 0, 0.4);
  box-shadow: inset 0 1px 0.5px rgba(255, 255, 255, 0.3), 0 1px 3px rgba(0, 0, 0, 0.45);
}

body.dark .macos-close-btn.session-card-exit-btn:hover {
  background-color: #ff453a;
  border-color: rgba(0, 0, 0, 0.5);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4), 0 2px 9px rgba(255, 69, 58, 0.55);
}

.exit-confirm-dialog {
  max-width: 480px;
}

/* =========================================================================
   АДАПТИВНОСТЬ
   ========================================================================= */

@media (max-width: 860px) {
  .logo-icon {
    width: 72px;
    height: 72px;
    min-width: 72px;
  }

  .dashboard-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .levels-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .exercise-types-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .app-header {
    flex-wrap: nowrap;
    gap: 10px;
    padding-bottom: 8px;
    align-items: center;
  }

  .brand {
    gap: 10px;
  }

  .logo-icon {
    width: 62px;
    height: 62px;
    min-width: 62px;
  }

  .brand-text h1 {
    font-size: 1.08rem;
    line-height: 1.2;
    white-space: normal;
  }

  .subtitle {
    display: none;
  }

  .header-actions {
    gap: 6px;
  }

  .user-profile-pill {
    padding: 0;
    width: 40px;
    height: 40px;
    min-width: 40px;
    justify-content: center;
  }

  .user-profile-pill .user-name {
    display: none;
  }

  .sync-tooltip {
    right: 0;
    transform: translateX(0) translateY(-6px);
  }

  .sync-tooltip::before {
    right: 14px;
    transform: rotate(45deg);
  }

  .sync-status-pill:hover .sync-tooltip,
  .sync-status-pill.tooltip-visible .sync-tooltip {
    transform: translateX(0) translateY(0);
  }

  .user-dashboard-card {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .user-card-actions {
    width: 100%;
  }
  
  .user-card-actions .btn {
    width: 100%;
  }

  .dashboard-footer-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .dashboard-footer-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .exercise-nav-bar {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }
  
  .exercise-nav-badges {
    width: 100%;
    justify-content: space-between;
  }

  .dashboard-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .levels-grid {
    grid-template-columns: 1fr;
  }

  .exercise-types-grid {
    grid-template-columns: 1fr;
  }
  
  .setup-container {
    padding: 20px 16px;
  }

  .start-session-cta {
    width: 100%;
  }
}

/* ================= Сопоставление слов (Duolingo-стиль) ================= */
.match-card {
  max-width: 760px;
  margin: 0 auto;
}

.match-instruction {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 6px 0 14px;
}

.match-progress {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--bg-card-secondary);
  overflow: hidden;
  margin: 0 0 20px;
}

.match-progress-fill {
  height: 100%;
  width: 0;
  background: var(--color-primary-gradient);
  border-radius: var(--radius-full);
  transition: width 0.35s ease;
}

.match-grid {
  /* число оставшихся пар задаёт приложение: чем меньше пар, тем ниже плитки и теснее промежутки */
  --pairs: 6;
  --tile-h: calc(42px + var(--pairs) * 3.4px);
  --tile-gap: calc(6px + var(--pairs) * 1px);
  --full-h: calc(6 * (42px + 6 * 3.4px) + 5 * (6px + 6 * 1px));
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 22px;
  min-height: var(--full-h); /* высота поля не прыгает, когда плиток становится меньше */
  align-items: center;
}

.match-col {
  display: flex;
  flex-direction: column;
  justify-content: center; /* оставшиеся плитки стоят по центру плашки по вертикали */
  gap: var(--tile-gap);
  transition: gap 0.3s ease;
}

.match-tile {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: var(--tile-h, 62px);
  padding: 10px 16px;
  border: 2px solid var(--border-color);
  border-bottom-width: 4px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), opacity 0.3s ease, min-height 0.45s ease;
  -webkit-tap-highlight-color: transparent;
}

.match-tile-left {
  font-family: var(--font-greek);
  font-size: 1.2rem;
}

@media (hover: hover) and (pointer: fine) {
  .match-tile:hover:not(:disabled):not(.selected) {
    border-color: var(--text-muted);
  }
}

.match-tile:active:not(:disabled) {
  transform: translateY(2px);
  border-bottom-width: 2px;
}

.match-tile.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.match-tile.match-tile-correct {
  border-color: var(--color-success);
  background: var(--color-success-bg);
  color: var(--color-success);
  opacity: 0.55;
  pointer-events: none;
}

.match-tile.match-tile-wrong {
  border-color: var(--color-danger);
  background: var(--color-danger-bg);
  color: var(--color-danger);
  animation: match-shake 0.4s ease;
}

.match-tile.match-tile-enter {
  animation: match-enter 0.5s 0.2s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.match-tile.match-tile-empty {
  display: none;
}

/* Аннигиляция верной пары: вспышка, плитки сходятся к центру и исчезают (1040 мс, см. MATCH_ANNIHILATE_MS) */
.match-tile.match-annihilate-left,
.match-tile.match-annihilate-right {
  border-color: var(--color-success);
  background: var(--color-success-bg);
  color: var(--color-success);
  pointer-events: none;
  z-index: 2;
}

.match-tile.match-annihilate-left { animation: match-annihilate-left 1.04s cubic-bezier(0.55, 0, 0.8, 0.3) forwards; }
.match-tile.match-annihilate-right { animation: match-annihilate-right 1.04s cubic-bezier(0.55, 0, 0.8, 0.3) forwards; }

@keyframes match-annihilate-left {
  0%   { transform: translateX(0) scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55); }
  28%  { transform: translateX(0) scale(1.06); opacity: 1; box-shadow: 0 0 0 7px rgba(16, 185, 129, 0.28); }
  100% { transform: translateX(calc(50% + 11px)) scale(0.3); opacity: 0; box-shadow: 0 0 0 16px rgba(16, 185, 129, 0); }
}

@keyframes match-annihilate-right {
  0%   { transform: translateX(0) scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55); }
  28%  { transform: translateX(0) scale(1.06); opacity: 1; box-shadow: 0 0 0 7px rgba(16, 185, 129, 0.28); }
  100% { transform: translateX(calc(-50% - 11px)) scale(0.3); opacity: 0; box-shadow: 0 0 0 16px rgba(16, 185, 129, 0); }
}

@keyframes match-fade {
  from { opacity: 1; }
  to { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .match-tile.match-annihilate-left,
  .match-tile.match-annihilate-right { animation: match-fade 0.6s ease forwards; }
}

@keyframes match-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* Новая плитка появляется чуть позже, когда соседи уже сдвинулись: плавно проявляется и «всплывает» */
@keyframes match-enter {
  from { opacity: 0; transform: translateY(14px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.match-footer-hint {
  margin-top: 18px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 520px) {
  .match-grid {
    --tile-h: calc(38px + var(--pairs) * 3px);
    --tile-gap: calc(5px + var(--pairs) * 0.67px);
    --full-h: calc(6 * (38px + 6 * 3px) + 5 * (5px + 6 * 0.67px));
    gap: 0 10px;
  }
  .match-tile { padding: 8px 10px; font-size: 0.95rem; }
  .match-tile-left { font-size: 1.05rem; }
}

.match-score-line {
  margin: -8px 0 16px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.summary-scoring-note {
  margin: 4px 0 14px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-card-secondary);
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

/* ================= Грамматические навыки ================= */
.skills-dash-card {
  margin: 20px 0;
  padding: 18px 20px;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.skills-dash-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.skills-dash-head { display: flex; align-items: center; gap: 14px; }
.skills-dash-titles { flex: 1; min-width: 0; }
.skills-dash-titles h3 { margin: 0 0 2px; font-size: 1.05rem; }
.skills-dash-body { margin-top: 12px; font-size: 0.92rem; color: var(--text-main); line-height: 1.5; }
.skills-dash-weak { color: var(--text-muted); font-size: 0.85rem; }

.skills-legend { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.skill-chip {
  padding: 4px 12px; border-radius: var(--radius-full); font-size: 0.78rem; font-weight: 700;
  border: 1.5px solid currentColor; background: transparent;
}

.level-weak { color: var(--color-danger); }
.level-learning { color: var(--color-warning); }
.level-good { color: var(--color-primary); }
.level-strong { color: var(--color-success); }
.level-few { color: var(--text-muted); }

.skills-summary-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 20px;
}
.skills-summary-card { padding: 16px; text-align: center; }
.skills-summary-title { font-weight: 700; margin-bottom: 4px; }
.skills-summary-value { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; line-height: 1.1; }
.skills-summary-sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.skills-summary-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }

.skills-categories { display: flex; flex-direction: column; gap: 16px; }
.skill-category { padding: 18px 20px; }
.skill-category-planned { opacity: 0.85; }
.skill-cat-head { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.skill-cat-icon { font-size: 1.7rem; }
.skill-cat-titles { flex: 1; min-width: 0; }
.skill-cat-titles h3 { margin: 0; font-size: 1.1rem; }
.skill-cat-titles h3 small { font-weight: 500; color: var(--text-muted); margin-left: 6px; font-family: var(--font-greek); }
.skill-cat-titles p { margin: 2px 0 0; font-size: 0.8rem; color: var(--text-muted); }
.skill-cat-score { font-family: var(--font-heading); font-size: 1.7rem; font-weight: 800; }

.skill-group { margin-top: 14px; }
.skill-group-title { font-weight: 700; font-size: 0.9rem; margin-bottom: 2px; }
.skill-group-note { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 6px; }
details.skill-group > summary {
  cursor: pointer; font-size: 0.85rem; font-weight: 600; color: var(--text-muted); padding: 4px 0;
}

.skill-row {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(70px, 1fr) 84px auto;
  align-items: center; gap: 12px; padding: 7px 0; border-top: 1px solid var(--border-color);
}
.skill-name { font-size: 0.88rem; }
.skill-hint { display: block; font-size: 0.72rem; color: var(--text-muted); font-family: var(--font-greek); }
.skill-bar { height: 9px; border-radius: var(--radius-full); background: var(--bg-card-secondary); overflow: hidden; }
.skill-bar-fill { height: 100%; border-radius: var(--radius-full); background: currentColor; transition: width 0.4s ease; }
.skill-pct { text-align: right; font-weight: 800; font-size: 0.95rem; }
.skill-pct small { display: block; font-weight: 500; font-size: 0.68rem; color: var(--text-muted); }
.skill-dots { display: flex; gap: 2px; }
.skill-dots .dot { width: 5px; height: 14px; border-radius: 2px; background: var(--color-success); }
.skill-dots .dot.bad { background: var(--color-danger); }
.skill-planned { opacity: 0.55; grid-template-columns: minmax(0, 1fr) auto; }
.skill-planned-tag { font-size: 0.72rem; font-weight: 700; color: var(--text-muted); border: 1px dashed var(--border-color); border-radius: var(--radius-full); padding: 2px 10px; }

@media (max-width: 640px) {
  .skills-summary-grid { grid-template-columns: 1fr; }
  .skill-row { grid-template-columns: minmax(0, 1fr) 70px; row-gap: 4px; }
  .skill-row .skill-bar { grid-column: 1 / 2; grid-row: 2; }
  .skill-row .skill-pct { grid-row: 1 / 3; grid-column: 2; align-self: center; }
  .skill-row .skill-dots { grid-column: 1 / 2; grid-row: 3; }
  .skill-planned { grid-template-columns: minmax(0, 1fr) auto; }
}

.app-version-line {
  margin: 14px 0 4px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.8;
}

/* Плашки на главной с кнопкой-действием: кнопка на своей строке внизу карточки, чтобы не вылезала за край */
.dash-stat-footer { margin-top: 10px; }
.dash-stat-footer .dash-stat-action-tag { display: inline-block; margin-left: 0; }
.stat-card-words.clickable-card { cursor: pointer; user-select: none; }
.stat-card-words.clickable-card:hover {
  transform: translateY(-3px);
  border-color: rgba(6, 182, 212, 0.55);
  box-shadow: 0 10px 24px -4px rgba(6, 182, 212, 0.22);
}
.stat-card-words.clickable-card:active { transform: translateY(-1px); }
.dash-stat-action-tag.tag-words {
  background: rgba(6, 182, 212, 0.12);
  color: #0e7490;
  border-color: rgba(6, 182, 212, 0.3);
}
body.dark .dash-stat-action-tag.tag-words { background: rgba(6, 182, 212, 0.2); color: #67e8f9; border-color: rgba(6, 182, 212, 0.4); }
.stat-card-words.clickable-card:hover .dash-stat-action-tag.tag-words { background: #0891b2; color: #fff; border-color: #0891b2; }

/* Уровни: полоска прогресса видна у каждого уровня (и нулевая), блок прогресса прижат к низу карточки */
.level-chip .dash-progress-track { background: rgba(148, 163, 184, 0.3); height: 8px; margin-top: auto; }
body.dark .level-chip .dash-progress-track { background: rgba(148, 163, 184, 0.25); }
.level-chip-head { min-height: 48px; }

/* Тренировка навыка */
.skill-drill-btn {
  display: inline-block; margin-top: 4px; padding: 2px 9px; font-size: 0.74rem; font-weight: 700; font-family: inherit;
  border-radius: 999px; border: 1px solid var(--color-primary); background: var(--color-primary-light); color: var(--color-primary); cursor: pointer;
}
.skill-drill-btn:hover { background: var(--color-primary); color: #fff; }
.drill-modal-dialog { max-width: 640px; }
.drill-progress { margin-bottom: 14px; }
.drill-progress-text { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.drill-rule { font-size: 0.95rem; line-height: 1.55; padding: 12px 14px; border-radius: var(--radius-md); background: var(--bg-card-secondary); }
.drill-more { margin-top: 10px; }
.drill-more summary { cursor: pointer; font-size: 0.75rem; color: var(--text-muted); user-select: none; }
.drill-more[open] summary { margin-bottom: 8px; }
.drill-more-body { font-size: 0.8rem; line-height: 1.5; overflow-x: auto; }
.drill-table { border-collapse: collapse; width: 100%; font-family: var(--font-greek); }
.drill-table th, .drill-table td { padding: 4px 8px; border-bottom: 1px solid var(--border-color); text-align: left; white-space: nowrap; }
.drill-table thead th { font-weight: 700; }
.drill-table th small { display: block; font-weight: 400; font-size: 0.68rem; color: var(--text-muted); font-family: inherit; }
.drill-notes { margin: 8px 0 0; padding-left: 18px; color: var(--text-muted); }
.drill-more-hint { margin: 8px 0 0; font-size: 0.7rem; color: var(--text-muted); }
.drill-pool-note { margin: 12px 0 0; font-size: 0.75rem; color: var(--text-muted); }
.drill-table-title { margin: 12px 0 4px; font-weight: 700; font-size: 0.78rem; color: var(--text-muted); }
.drill-endings th.hl, .drill-endings td.hl { background: var(--color-primary-light); color: var(--color-primary); font-weight: 700; }

.feedback-paradigm { margin: 10px 0; text-align: left; }

/* Словарь: звук — значок рядом со словом, клик по греческому слову тоже озвучивает; отдельных колонок «№» и «Звук» нет */
.dict-word-play { cursor: pointer; }
.dict-word-play:hover { text-decoration: underline dotted; }
.dict-audio-inline { width: 30px; height: 30px; min-width: 30px; padding: 0; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-size: 0.95rem; }
@media (min-width: 769px) { .dict-cell-audio { display: none; } }
.dict-cell-audio:empty { display: none !important; }
.paradigm-table th small { display: block; font-weight: 400; font-size: 0.68rem; color: var(--text-muted); }
.forms-note { margin: 10px 2px 0; font-size: 0.78rem; color: var(--text-muted); }

/* Греческие примеры можно послушать: значок 🔊 и нажатие по тексту */
.speak-example { cursor: pointer; }
.speak-example::before { content: "🔊 "; font-size: 0.85em; opacity: 0.75; }
.speak-example:hover { text-decoration: underline dotted; }


/* Выбор артикля: греческая фраза с пропуском, на месте артикля — три маленькие кнопки столбиком */
.choice-buttons { margin: 8px 0 18px; }
.choice-sentence {
  display: block;
  text-align: center;
  padding: 10px 4px;
  font-size: clamp(1.15rem, 5.2vw, 1.7rem);
  font-weight: 600;
  line-height: 1.5;
}
.choice-text { display: inline; color: var(--text-main, #e5e7eb); }
.choice-stack { display: inline-flex; flex-direction: column; gap: 4px; vertical-align: middle; margin: 4px 6px; }
.choice-btn {
  padding: 4px 14px;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--text-main, #e5e7eb);
  background: var(--bg-card, rgba(30, 41, 59, 0.8));
  border: 2px solid var(--border-color, rgba(148, 163, 184, 0.35));
  border-radius: 10px;
  cursor: pointer;
}
.choice-btn:hover:not(:disabled) { border-color: #38bdf8; }
.choice-btn:disabled { cursor: default; opacity: 0.85; }
.choice-btn.choice-correct { border-color: #34d399; background: rgba(52, 211, 153, 0.18); }
.choice-btn.choice-wrong { border-color: #f87171; background: rgba(248, 113, 113, 0.16); }


/* «complain»: жалобы на слова и задания */
.complain-toggle { display: flex; align-items: center; gap: 10px; justify-content: center; margin: 18px auto 6px; padding: 0 16px; font-size: 0.85rem; color: var(--text-muted, #94a3b8); cursor: pointer; text-align: left; }
.complain-toggle input { width: 18px; height: 18px; flex: none; }
.complain-btn { margin-left: auto; margin-right: 8px; padding: 3px 10px; font-size: 0.75rem; font-weight: 600; color: #fb923c; background: rgba(251, 146, 60, 0.1); border: 1px solid rgba(251, 146, 60, 0.45); border-radius: 999px; cursor: pointer; white-space: nowrap; }
.complain-btn[hidden] { display: none; }
.complain-btn:hover { background: rgba(251, 146, 60, 0.2); }
.complain-overlay { z-index: 1200; }
.complain-dialog { max-width: 560px; }
.complain-context { margin-bottom: 10px; font-size: 0.9rem; color: var(--text-muted, #94a3b8); word-break: break-word; }
.complain-text { width: 100%; box-sizing: border-box; min-height: 130px; padding: 12px; font: inherit; font-size: 1rem; color: var(--text-main, #e5e7eb); background: var(--bg-card, rgba(30, 41, 59, 0.8)); border: 2px solid var(--border-color, rgba(148, 163, 184, 0.35)); border-radius: 12px; resize: vertical; }
.complain-text:focus { outline: none; border-color: #fb923c; }
.complain-actions { display: flex; gap: 10px; margin-top: 12px; }

.complain-flag { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; font-size: 0.95rem; cursor: pointer; }
.complain-flag[hidden] { display: none; }
.complain-flag input { width: 18px; height: 18px; flex: none; }

.complain-host { position: relative; }
.complain-flag-btn { position: absolute; right: 6px; bottom: 6px; z-index: 5; width: 24px; height: 24px; padding: 0; font-size: 12px; line-height: 22px; text-align: center; background: rgba(251, 146, 60, 0.12); border: 1px solid rgba(251, 146, 60, 0.5); border-radius: 50%; cursor: pointer; opacity: 0.75; }
.complain-flag-btn:hover { opacity: 1; background: rgba(251, 146, 60, 0.25); }

/* Конструктор предложений */
.builder-area { margin: 8px 0 16px; }
.builder-answer { min-height: 56px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 10px; border: 2px dashed var(--border-color, rgba(148, 163, 184, 0.4)); border-radius: 14px; margin-bottom: 12px; }
.builder-answer:empty::before { content: 'Нажимайте на слова ниже по порядку'; color: var(--text-muted, #94a3b8); font-size: 0.9rem; }
.builder-bank { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 12px; }
.builder-tile { padding: 8px 14px; font-size: 1.15rem; font-weight: 600; font-family: inherit; color: var(--text-main, #e5e7eb); background: var(--bg-card, rgba(30, 41, 59, 0.85)); border: 2px solid var(--border-color, rgba(148, 163, 184, 0.35)); border-radius: 12px; cursor: pointer; }
.builder-tile:hover:not(:disabled) { border-color: #38bdf8; }
.builder-tile.used { visibility: hidden; }
.builder-tile:disabled { cursor: default; opacity: 0.85; }
.builder-actions { display: flex; gap: 10px; justify-content: center; }

.sentence-issues { margin: 6px 0 0 18px; padding: 0; }
.sentence-issues li { margin: 4px 0; line-height: 1.45; }

.listen-controls { display: flex; gap: 10px; justify-content: center; margin-top: 10px; }
.listen-controls[hidden] { display: none; }

.diag-words { margin-top: 10px; padding-top: 8px; border-top: 1px dashed rgba(148, 163, 184, 0.35); }

/* Банк ошибок: выбор упражнения */
.bank-dialog { max-width: 480px; }
.bank-modal-note { margin: 0 0 12px; color: var(--text-muted, #94a3b8); }
.bank-modal-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.bank-mode-btn { display: flex; justify-content: space-between; align-items: center; width: 100%; text-align: left; }
.bank-mode-count { font-weight: 700; padding: 2px 10px; border-radius: 999px; background: rgba(248, 113, 113, 0.18); color: #f87171; }

/* Сравнение по словам: совсем другое слово — зачёркнуто целиком; пропущенное — пустое место */
.diff-word-wrong { color: var(--color-danger, #f87171); text-decoration: line-through; text-decoration-thickness: 2px; opacity: 0.9; }
.diff-word-missing { color: var(--color-danger, #f87171); font-weight: 700; }
/* Правильный ответ: зелёным — то, что нужно было написать иначе */
.diff-fix { color: #22c55e; background: rgba(34, 197, 94, 0.16); border-radius: 4px; padding: 0 1px; }

/* =========================================================================
   «Учим слова» — банк слов (core/wordbank_view.js, app.js)
   ========================================================================= */
.wb-root { display: flex; flex-direction: column; gap: 16px; }
.wb-root .muted, #wordbank-result .muted { color: var(--text-muted); }
.wb-root .small, #wordbank-result .small { font-size: 0.82rem; }
.wb-summary, .wb-list, .wb-builder, .wb-check-panel, .wb-result { padding: 18px 20px; display: flex; flex-direction: column; gap: 12px; }
.wb-sum-top { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.wb-sum-top > div { display: flex; flex-direction: column; gap: 2px; }
.wb-sum-top .muted { font-size: 0.8rem; }
.wb-big { font-size: 1.6rem; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.1; }
.wb-big small { font-size: 0.9rem; font-weight: 600; color: var(--text-muted); }
.wb-due { color: var(--color-warning); }
.wb-bar { display: flex; height: 12px; border-radius: 99px; overflow: hidden; background: var(--bg-card-secondary); gap: 2px; }
.wb-seg { display: block; min-width: 4px; }
.wb-queue, .wb-dot.wb-queue { background: #94a3b8; }
.wb-learning, .wb-dot.wb-learning { background: var(--color-primary); }
.wb-maint, .wb-dot.wb-maint { background: var(--color-warning); }
.wb-learned, .wb-dot.wb-learned { background: var(--color-success); }
.wb-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 0.82rem; color: var(--text-muted); }
.wb-dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.wb-stars { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; height: 90px; align-items: end; }
.wb-star-col { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 2px; font-size: 0.75rem; }
.wb-star-bar { display: block; width: 70%; min-height: 3px; border-radius: 6px 6px 2px 2px; background: #d8a843; }
.wb-modes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.wb-mode { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 14px 10px; }
.wb-mode b { font-size: 1.05rem; }
.wb-mode small { font-size: 0.78rem; opacity: 0.85; font-weight: 500; }
.wb-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.wb-chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.wb-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.wb-table th { text-align: left; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--border-color); }
.wb-table td { padding: 8px; border-bottom: 1px solid var(--border-color); vertical-align: middle; }
.wb-gr { font-weight: 700; }
.wb-say, .wb-del { background: none; border: none; cursor: pointer; font-size: 0.95rem; padding: 2px 4px; color: var(--text-muted); border-radius: 6px; }
.wb-say:hover, .wb-del:hover { background: var(--bg-card-secondary); color: var(--text-main); }
.wb-st { color: #d8a843; letter-spacing: -1px; white-space: nowrap; }
.wb-pill { display: inline-block; font-size: 0.74rem; font-weight: 700; padding: 2px 9px; border-radius: 99px; background: var(--bg-card-secondary); color: var(--text-muted); white-space: nowrap; }
.wb-pill-due, .wb-pill-maintenance { background: var(--color-warning-bg); color: var(--color-warning); }
.wb-pill-learning { background: var(--color-primary-light); color: var(--color-primary); }
.wb-pill-learned { background: var(--color-success-bg); color: var(--color-success); }
.wb-err { font-size: 0.72rem; color: var(--color-danger); border: 1px dashed var(--color-danger); border-radius: 99px; padding: 1px 7px; white-space: nowrap; }
.wb-teacher { font-size: 0.85rem; }
.wb-b-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.wb-b-head h3 { margin: 0; }
.wb-b-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.wb-check { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; cursor: pointer; }
.wb-topics summary { cursor: pointer; font-weight: 600; font-size: 0.92rem; }
.wb-topic-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px 14px; margin-top: 8px; }
.wb-cands { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 4px 14px; max-height: 360px; overflow-y: auto; padding: 4px; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
.wb-cand { display: flex; gap: 6px; align-items: baseline; font-size: 0.9rem; padding: 3px 2px; cursor: pointer; }
.wb-check-ru { font-size: 1.35rem; font-weight: 700; margin: 0; }
.wb-check-form { display: flex; gap: 10px; flex-wrap: wrap; }
.wb-check-form .verb-input { flex: 1; min-width: 220px; }
.wb-err-list { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 4px; }
#wordbank-result { margin-bottom: 16px; }
.btn-wb-add { font-size: 0.72rem; font-weight: 700; padding: 2px 8px; border-radius: 99px; border: 1px dashed var(--color-primary); background: none; color: var(--color-primary); cursor: pointer; white-space: nowrap; }
.btn-wb-add:hover { background: var(--color-primary-light); }
.wb-in-bank { font-size: 0.85rem; }
.wb-to-bank-tag { margin-left: 8px; background: none; border: 1px dashed currentColor; cursor: pointer; }
#wb-finish-btn { margin-left: auto; }
@media (max-width: 720px) {
  .wb-sum-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wb-modes { grid-template-columns: 1fr; }
  .wb-table th:nth-child(5), .wb-table td:nth-child(5) { display: none; }
}

.blitz-timer { margin-left: 10px; font-weight: 700; color: var(--accent, #2563eb); }

/* ===== Главная: свёрнутая плашка уровня (раскрывается по нажатию) ===== */
.levels-master-card .levels-card-header { cursor: pointer; }
.levels-master-card .levels-card-header::after { content: '▾'; margin-left: 10px; color: var(--text-muted); transition: transform .2s; }
.levels-master-card:not(.levels-collapsed) .levels-card-header::after { transform: rotate(180deg); }
.levels-collapsed .level-chip:not(.active) { display: none; }
.levels-collapsed .levels-grid { grid-template-columns: 1fr; }
.levels-collapsed .levels-card-total { display: none; }
.levels-master-card:not(.levels-collapsed) #levels-hint { display: none; }

/* ===== Личный кабинет ===== */
#screen-account .account-card { padding: 18px 20px; display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.account-h { margin: 0; font-size: 1.05rem; }
.account-actions-row { display: flex; flex-wrap: wrap; gap: 10px; }
.account-levels { display: flex; gap: 8px; }
.account-level { flex: 1; padding: 10px 0; border-radius: 12px; border: 1px solid var(--border-color, rgba(0, 0, 0, .12)); background: transparent; color: inherit; font-weight: 700; font-size: .95rem; cursor: pointer; }
.account-level.active { background: var(--color-primary, #2563eb); border-color: var(--color-primary, #2563eb); color: #fff; }
.account-toggle { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; }
.account-toggle input { margin-top: 4px; width: 18px; height: 18px; }
.account-toggle .muted { color: var(--text-muted); }
#screen-account [hidden] { display: none !important; }

/* ===== Греческая клавиатура (значок под полем ввода; раскрывается по нажатию) ===== */
.quick-chars-container.gk { background: none; border: none; padding: 0; margin-top: 4px; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.gk[hidden] { display: none; }
.gk-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 32px; border-radius: 10px; border: 1px solid var(--border-color); background: var(--bg-card); color: var(--text-muted); cursor: pointer; transition: all var(--transition-fast); }
.gk-toggle:hover, .gk-toggle.open { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-light); }
.gk-panel { display: flex; flex-direction: column; gap: 6px; padding: 10px; width: 100%; max-width: 460px; background: var(--bg-card-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-md); }
.gk-panel[hidden] { display: none; }
.gk-row { display: flex; gap: 5px; justify-content: center; flex-wrap: nowrap; }
.gk-key { flex: 1 1 0; min-width: 0; width: auto; max-width: 44px; height: 40px; padding: 0; font-size: 1.1rem; }
.gk-key.gk-wide { max-width: 64px; }
.gk-key.gk-accent { max-width: none; flex: 2 1 0; font-size: .9rem; }
.gk-key.gk-space { max-width: none; flex: 3 1 0; }
.gk-key.armed { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
@media (max-width: 480px) { .gk-panel { max-width: none; } .gk-key { height: 38px; font-size: 1rem; } }

/* ===== Тест уровня (core/placement_run.js) ===== */
.pl-result { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.pl-level-label { color: var(--text-muted, #64748b); font-size: 0.9rem; }
.pl-level { font-size: 3rem; font-weight: 800; line-height: 1; }
.pl-level-name { font-weight: 600; }
.pl-stages { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.pl-stage { display: grid; grid-template-columns: 2.2rem 1fr auto auto; gap: 10px; align-items: center; }
.pl-stage em { font-style: normal; font-size: 0.85rem; color: var(--text-muted, #64748b); }
.pl-stage.pass em { color: #16a34a; }
.pl-bar { display: block; height: 8px; border-radius: 99px; background: rgba(128, 128, 128, 0.2); overflow: hidden; }
.pl-bar i { display: block; height: 100%; background: #f59e0b; }
.pl-stage.pass .pl-bar i { background: #16a34a; }
.pl-h { margin: 12px 0 4px; }
.pl-note { color: var(--text-muted, #64748b); font-size: 0.9rem; margin: 4px 0; }
.pl-mistake { display: flex; flex-direction: column; gap: 2px; padding: 8px 0; border-top: 1px solid rgba(128, 128, 128, 0.2); }
.pl-q, .pl-you { color: var(--text-muted, #64748b); font-size: 0.85rem; }
#placement-intro { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }

/* Вход через Google ID и Apple ID пока убран со страницы входа и регистрации (v3.13.0) */
#auth-divider, #auth-social-buttons, #google-gis-slot { display: none !important; }