/* ===== Quiz Page ===== */
.quiz-page .gallery-header {
  margin-bottom: 1.5rem;
}

.quiz-full {
  display: flex;
  gap: 1.5rem;
  min-height: 450px;
}

.quiz-full-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.quiz-full-sidebar .vocab-level-chips,
.quiz-full-sidebar .vocab-category-chips {
  padding: 0;
}

.quiz-full-sidebar .vocab-chip {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
}

.quiz-cat-chips,
.quiz-type-chips,
.quiz-count-chips {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.quiz-cat-chip,
.quiz-type-chip,
.quiz-count-chip {
  padding: 0.3rem 0.65rem;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--surface);
  color: var(--text-muted);
  transition: var(--transition);
}

.quiz-cat-chip:hover { border-color: var(--primary); color: var(--primary); }
.quiz-cat-chip.active { background: var(--primary); color: white; border-color: var(--primary); }

.quiz-type-chip:hover { border-color: var(--accent); color: var(--accent); }
.quiz-type-chip.active { background: var(--accent); color: white; border-color: var(--accent); }

.quiz-count-chip:hover { border-color: var(--warning); color: var(--warning); }
.quiz-count-chip.active { background: var(--warning); color: white; border-color: var(--warning); }

.quiz-timer-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
}

.quiz-timer-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.quiz-full-main {
  flex: 1;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 2rem;
}

.quiz-start-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.quiz-start-icon {
  font-size: 4rem;
}

.quiz-start-info {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.quiz-start-btn {
  padding: 0.85rem 2.5rem;
  font-size: 1.1rem;
}

.quiz-start-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Quiz History */
.quiz-history {
  width: 100%;
  max-width: 400px;
}

.quiz-history-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.quiz-history-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border);
}

.quiz-history-item:last-child {
  border-bottom: none;
}

.quiz-history-score {
  font-weight: 800;
  font-size: 0.9rem;
  min-width: 40px;
}

.quiz-history-info {
  flex: 1;
  color: var(--text-muted);
}

.quiz-history-date {
  color: var(--text-light);
  font-size: 0.75rem;
}

/* Active Quiz */
.quiz-active {
  max-width: 700px;
  margin: 0 auto;
}

.quiz-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.4s ease;
}

.quiz-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.quiz-counter {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
}

.quiz-score-display {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 1rem;
  font-weight: 700;
}

.quiz-score-correct { color: var(--success); }
.quiz-score-sep { color: var(--text-light); }
.quiz-score-wrong { color: var(--danger); }

.quiz-timer {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
  background: var(--accent-light);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  min-width: 40px;
  text-align: center;
  transition: var(--transition);
}

.quiz-timer.quiz-timer-danger {
  color: white;
  background: var(--danger);
  animation: bounce 0.5s ease infinite;
}

.quiz-question-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
}

.quiz-prompt-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.quiz-prompt {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.quiz-prompt-example {
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.quiz-option {
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
  color: var(--text);
}

.quiz-option:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
  transform: translateY(-1px);
}

.quiz-option:disabled {
  cursor: default;
  opacity: 0.85;
}

.quiz-option.correct {
  background: var(--success);
  border-color: var(--success);
  color: white;
  opacity: 1;
}

.quiz-option.wrong {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
  opacity: 1;
}

.quiz-fill-form {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.quiz-fill-input {
  padding: 0.75rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  font-family: inherit;
  outline: none;
  width: 280px;
  text-align: center;
  transition: var(--transition);
}

.quiz-fill-input:focus {
  border-color: var(--accent);
}

.quiz-correct-answer {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--danger);
  font-weight: 600;
  width: 100%;
}

/* Results */
.quiz-results-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 2.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.quiz-results-emoji {
  font-size: 3.5rem;
  margin-bottom: 0.5rem;
}

.quiz-results-pct {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.quiz-results-message {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.quiz-results-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 1.5rem;
}

.quiz-stat {
  text-align: center;
}

.quiz-stat-num {
  font-size: 1.75rem;
  font-weight: 800;
}

.quiz-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.quiz-results-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

.quiz-review-section {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.quiz-review-section h3 {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  background: var(--bg);
}

.quiz-review-list {
  max-height: 400px;
  overflow-y: auto;
}

.quiz-review-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
}

.quiz-review-item:last-child {
  border-bottom: none;
}

.quiz-review-correct {
  border-left-color: var(--success);
  background: #f0fdf4;
}

.quiz-review-wrong {
  border-left-color: var(--danger);
  background: #fff5f5;
}

.quiz-review-icon {
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.quiz-review-correct .quiz-review-icon { color: var(--success); }
.quiz-review-wrong .quiz-review-icon { color: var(--danger); }

.quiz-review-body {
  flex: 1;
  min-width: 0;
}

.quiz-review-word {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.quiz-review-answer {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* Responsive */
@media (max-width: 768px) {
  .quiz-full {
    flex-direction: column;
    min-height: auto;
  }

  .quiz-full-sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0.75rem;
    gap: 0.75rem;
  }

  .quiz-full-sidebar .vocab-sidebar-section {
    flex: 1;
    min-width: 120px;
  }

  .quiz-prompt {
    font-size: 1.6rem;
  }

  .quiz-options {
    grid-template-columns: 1fr;
  }

  .quiz-question-card {
    padding: 1.5rem 1rem;
  }

  .quiz-results-stats {
    gap: 1.5rem;
  }
}