.private-feature-grid-games {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.private-feature-grid-games .private-feature-card strong {
  font-size: 20px;
}

.private-feature-grid-games .private-feature-card span {
  font-size: 14px;
}

.enhanced-mode-shell {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.enhanced-mode-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 18px;
  align-items: start;
}

.enhanced-mode-header {
  background: #fff;
  border: 1px solid rgba(79,140,255,0.14);
  border-radius: 24px;
  padding: 22px 24px;
  box-shadow: 0 8px 28px rgba(31,42,68,0.07);
}

.enhanced-mode-header h2 {
  margin: 4px 0 6px;
  font-size: 28px;
  color: #1f2a44;
}

.enhanced-mode-header p {
  margin: 0;
  color: #5b6b88;
  line-height: 1.5;
}

.enhanced-mode-stats {
  display: grid;
  gap: 12px;
}

.enhanced-stat-card {
  background: #fff;
  border: 1px solid rgba(79,140,255,0.14);
  border-radius: 24px;
  padding: 18px 20px;
  box-shadow: 0 8px 28px rgba(31,42,68,0.07);
}

.enhanced-stat-card span {
  display: block;
  color: #6f82a7;
  font-size: 13px;
  margin-bottom: 6px;
}

.enhanced-stat-card strong {
  color: #1f2a44;
  font-size: 24px;
}

.enhanced-mode-board {
  background: #fff;
  border: 1px solid rgba(79,140,255,0.14);
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 8px 28px rgba(31,42,68,0.07);
}

.enhanced-mode-prompt {
  font-size: 28px;
  line-height: 1.35;
  color: #1f2a44;
  margin: 8px 0 20px;
}

.fillblank-display {
  font-size: 26px;
  line-height: 1.5;
  color: #24365d;
  background: linear-gradient(135deg, rgba(79,140,255,0.08), rgba(123,97,255,0.08));
  border: 1px solid rgba(79,140,255,0.16);
  border-radius: 24px;
  padding: 24px;
  margin-bottom: 16px;
}

.fillblank-display .blank-token {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  padding: 0 12px 4px;
  border-bottom: 3px solid #7b61ff;
  color: #7b61ff;
  font-weight: 800;
}

.fillblank-row {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.fillblank-row input {
  flex: 1;
}

.visual-hint-card {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 28px 24px;
  background: linear-gradient(135deg, rgba(79,140,255,0.08), rgba(34,197,94,0.08));
  border: 1px solid rgba(79,140,255,0.16);
  border-radius: 24px;
  margin-bottom: 20px;
}

.visual-hint-emoji {
  font-size: 72px;
  line-height: 1;
}

.visual-hint-label {
  color: #60739b;
  font-weight: 600;
}

.quickanswer-timer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 110px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(239,68,68,0.1);
  color: #b91c1c;
  font-weight: 800;
  font-size: 20px;
}

.quickanswer-timer.warning {
  animation: quickPulse 0.8s infinite alternate;
}

@keyframes quickPulse {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

.duel-score-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.duel-score-card {
  border-radius: 22px;
  padding: 18px 20px;
  background: linear-gradient(135deg, rgba(79,140,255,0.08), rgba(123,97,255,0.08));
  border: 1px solid rgba(79,140,255,0.16);
}

.duel-score-card.ai {
  background: linear-gradient(135deg, rgba(255,209,102,0.12), rgba(249,115,22,0.08));
  border-color: rgba(249,115,22,0.2);
}

.duel-score-card span {
  display: block;
  color: #6f82a7;
  font-size: 13px;
  margin-bottom: 6px;
}

.duel-score-card strong {
  font-size: 28px;
  color: #1f2a44;
}

.sorting-pool,
.sorting-selection {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 62px;
  padding: 14px;
  border-radius: 20px;
  border: 1px dashed rgba(79,140,255,0.22);
  background: #f8fbff;
}

.sorting-selection {
  background: rgba(123,97,255,0.06);
  border-style: solid;
  margin-top: 14px;
}

.sort-chip {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
  background: rgba(79,140,255,0.12);
  color: #23406f;
  font-weight: 700;
}

.sort-chip.active {
  background: #7b61ff;
  color: #fff;
}

.sorting-helper-text {
  color: #60739b;
  margin: 12px 0 10px;
}

.memory-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.memory-card {
  min-height: 110px;
  border-radius: 22px;
  border: 1px solid rgba(79,140,255,0.14);
  background: linear-gradient(135deg, #f8fbff 0%, #eef4ff 100%);
  color: #23406f;
  font: inherit;
  padding: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

.memory-card:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(79,140,255,0.12);
}

.memory-card.hidden-face {
  background: linear-gradient(135deg, #7b61ff 0%, #4f8cff 100%);
  color: #fff;
  font-size: 32px;
}

.memory-card.matched {
  background: linear-gradient(135deg, rgba(34,197,94,0.12), rgba(79,140,255,0.08));
  color: #166534;
  border-color: rgba(34,197,94,0.22);
}

.enhanced-feedback-box {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(79,140,255,0.06);
  border: 1px solid rgba(79,140,255,0.12);
}

.enhanced-feedback-box strong {
  display: block;
  margin-bottom: 8px;
  color: #1f2a44;
}

.enhanced-action-row {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.duel-complete-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.duel-complete-card {
  border-radius: 24px;
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(79,140,255,0.14);
}

.duel-complete-card strong {
  display: block;
  font-size: 32px;
  color: #1f2a44;
  margin-top: 8px;
}

@media (max-width: 1180px) {
  .private-feature-grid-games {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .enhanced-mode-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .private-feature-grid-games,
  .memory-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fillblank-row,
  .duel-complete-grid,
  .duel-score-grid {
    grid-template-columns: 1fr;
    display: grid;
  }
}

body.theme-dark .enhanced-mode-header,
body.theme-dark .enhanced-stat-card,
body.theme-dark .enhanced-mode-board,
body.theme-dark .duel-complete-card {
  background: rgba(19, 28, 52, 0.92);
  border-color: rgba(85, 104, 164, 0.4);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
}

body.theme-dark .enhanced-mode-header h2,
body.theme-dark .enhanced-mode-prompt,
body.theme-dark .enhanced-stat-card strong,
body.theme-dark .duel-score-card strong,
body.theme-dark .duel-complete-card strong,
body.theme-dark .enhanced-feedback-box strong {
  color: #edf4ff;
}

body.theme-dark .enhanced-mode-header p,
body.theme-dark .enhanced-stat-card span,
body.theme-dark .visual-hint-label,
body.theme-dark .sorting-helper-text {
  color: #9db4dc;
}

body.theme-dark .fillblank-display,
body.theme-dark .visual-hint-card,
body.theme-dark .sorting-pool,
body.theme-dark .sorting-selection,
body.theme-dark .enhanced-feedback-box,
body.theme-dark .duel-score-card,
body.theme-dark .memory-card,
body.theme-dark .memory-card.matched {
  background: rgba(24, 37, 66, 0.9);
  border-color: rgba(85, 104, 164, 0.4);
  color: #edf4ff;
}

body.theme-dark .memory-card.hidden-face {
  background: linear-gradient(135deg, #6f7bff 0%, #396fe4 100%);
}

body.theme-dark .sort-chip {
  background: rgba(79,140,255,0.18);
  color: #edf4ff;
}

.fillblank-textarea {
  flex: 1;
  min-height: 68px;
  resize: vertical;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(79,140,255,0.16);
  font: inherit;
  color: #1f2a44;
  background: #fff;
}

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

.binary-answer-btn {
  min-height: 72px;
  font-size: 20px;
}

.binary-quiz-card {
  border-radius: 24px;
  padding: 22px;
  background: linear-gradient(135deg, rgba(79,140,255,0.08), rgba(123,97,255,0.08));
  border: 1px solid rgba(79,140,255,0.16);
  margin-bottom: 18px;
}

.binary-quiz-label {
  color: #60739b;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flashcard-drill-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.flashcard-drill-side {
  border-radius: 24px;
  padding: 24px;
  min-height: 180px;
  background: linear-gradient(135deg, rgba(79,140,255,0.08), rgba(123,97,255,0.08));
  border: 1px solid rgba(79,140,255,0.16);
  display: grid;
  align-content: start;
  gap: 10px;
}

.flashcard-drill-side span {
  color: #60739b;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.flashcard-drill-side strong {
  color: #1f2a44;
  font-size: 28px;
  line-height: 1.35;
}

.flashcard-drill-side.solution.hidden {
  opacity: 0.28;
}

.visual-hint-asset-card {
  grid-template-columns: auto 1fr auto;
  align-items: center;
}

.visual-hint-asset-emoji {
  font-size: 72px;
  line-height: 1;
}

.visual-hint-asset-meta {
  display: grid;
  gap: 4px;
}

.visual-hint-asset-meta strong {
  color: #1f2a44;
  font-size: 24px;
}

.visual-hint-asset-meta span {
  color: #60739b;
}

.visual-hint-asset-letter {
  width: 84px;
  height: 84px;
  border-radius: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(123,97,255,0.14);
  color: #5b3df1;
  font-size: 40px;
  font-weight: 800;
}

.visual-hint-clues {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.visual-hint-clues span {
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(79,140,255,0.12);
  color: #23406f;
  font-weight: 700;
}

.sorting-drop-slot {
  width: 12px;
  min-height: 48px;
  border-radius: 999px;
  background: rgba(79,140,255,0.12);
  border: 1px dashed rgba(79,140,255,0.24);
}

.sorting-drop-slot.disabled {
  opacity: 0.35;
}

.enhanced-millionaire-shell .millionaire-step.reached {
  opacity: 0.75;
}

@media (max-width: 820px) {
  .flashcard-drill-card,
  .binary-answer-grid {
    grid-template-columns: 1fr;
  }

  .visual-hint-asset-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }
}

body.theme-dark .fillblank-textarea,
body.theme-dark .binary-quiz-card,
body.theme-dark .flashcard-drill-side,
body.theme-dark .visual-hint-asset-letter,
body.theme-dark .visual-hint-clues span {
  background: rgba(24, 37, 66, 0.9);
  border-color: rgba(85, 104, 164, 0.4);
  color: #edf4ff;
}

body.theme-dark .flashcard-drill-side strong,
body.theme-dark .visual-hint-asset-meta strong {
  color: #edf4ff;
}


.visual-only-card {
  min-height: 220px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.visual-only-emoji {
  font-size: 112px;
  line-height: 1;
}

.visual-hint-image {
  width: 100%;
  max-width: 420px;
  max-height: 260px;
  object-fit: contain;
  display: block;
}

.enhanced-millionaire-shell {
  align-items: start;
}

.enhanced-millionaire-shell .millionaire-step {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(79,140,255,0.06);
  border: 1px solid rgba(79,140,255,0.14);
  display: grid;
  gap: 4px;
}

.enhanced-millionaire-shell .millionaire-step span {
  color: #60739b;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.enhanced-millionaire-shell .millionaire-step strong {
  color: #1f2a44;
  font-size: 16px;
}

.enhanced-millionaire-shell .millionaire-step.active {
  background: rgba(123,97,255,0.14);
  border-color: rgba(123,97,255,0.3);
}

body.theme-dark .enhanced-millionaire-shell .millionaire-step {
  background: rgba(24,37,66,0.9);
  border-color: rgba(85,104,164,0.4);
}

body.theme-dark .enhanced-millionaire-shell .millionaire-step strong,
body.theme-dark .enhanced-millionaire-shell .millionaire-step span {
  color: #edf4ff;
}