/* ============================================
   QUIZ SECTION STYLES
   ============================================ */

.quiz-section {
  padding: 100px 0 80px;
  position: relative;
  display: none;
}

.quiz-section.visible {
  display: block;
  animation: quizSectionIn 0.5s ease;
}

@keyframes quizSectionIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Start Screen --- */

.quiz-start-card {
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 40px;
  text-align: center;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.quiz-start-icon {
  font-size: 56px;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.7;
}

.quiz-start-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.quiz-start-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.quiz-settings {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.quiz-setting {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.quiz-select-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.quiz-setting select {
  padding: 8px 36px 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-primary);
  font-family: 'PT Serif', Georgia, serif;
  font-size: 0.9rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.quiz-setting select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(196, 155, 78, 0.12);
}

.quiz-setting select:hover {
  border-color: var(--accent);
}

.quiz-select-wrapper::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--accent);
  pointer-events: none;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.quiz-select-wrapper:hover::after {
  opacity: 1;
}

.quiz-setting select option {
  background: var(--bg-primary, #1a1a2e);
  color: var(--text-primary);
  padding: 8px;
}

.quiz-start-btn {
  margin: 0 auto;
}

/* --- Game Screen --- */

.quiz-header {
  max-width: 640px;
  margin: 0 auto 28px;
}

.quiz-progress {
  height: 4px;
  border-radius: 2px;
  background: var(--glass-border);
  overflow: hidden;
  margin-bottom: 14px;
}

.quiz-progress-bar {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  width: 0%;
  transition: width 0.4s ease;
}

.quiz-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quiz-counter {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.quiz-score {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

.quiz-question-card {
  max-width: 640px;
  margin: 0 auto;
  padding: 36px 32px;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.quiz-question-type {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  opacity: 0.7;
  margin-bottom: 12px;
}

.quiz-question-text {
  font-family: 'PT Serif', Georgia, serif;
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 8px;
}

.quiz-word-highlight {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
  line-height: 1.2;
}

.quiz-word-highlight:empty {
  display: none;
}

/* --- Options --- */

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: left;
  font-family: 'PT Serif', Georgia, serif;
  font-size: 0.95rem;
  color: var(--text-primary);
  width: 100%;
  position: relative;
}

.quiz-option-letter {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Old Standard TT', serif;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  transition: all 0.25s ease;
}

.quiz-option:hover:not(.disabled) {
  border-color: var(--accent);
  background: rgba(196, 155, 78, 0.06);
}

.quiz-option:hover:not(.disabled) .quiz-option-letter {
  border-color: var(--accent);
  color: var(--accent);
}

/* Selected states */
.quiz-option.correct {
  border-color: #4ade80;
  background: rgba(74, 222, 128, 0.08);
}

.quiz-option.correct .quiz-option-letter {
  background: #4ade80;
  border-color: #4ade80;
  color: #0d1a0d;
}

.quiz-option.wrong {
  border-color: #f87171;
  background: rgba(248, 113, 113, 0.08);
}

.quiz-option.wrong .quiz-option-letter {
  background: #f87171;
  border-color: #f87171;
  color: #1a0d0d;
}

.quiz-option.disabled {
  cursor: default;
  opacity: 0.5;
}

.quiz-option.correct.disabled,
.quiz-option.wrong.disabled {
  opacity: 1;
}

/* --- Feedback --- */

.quiz-feedback {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  background: rgba(196, 155, 78, 0.05);
  border: 1px solid rgba(196, 155, 78, 0.1);
  animation: quizFeedbackIn 0.3s ease;
}

.quiz-feedback.hidden {
  display: none;
}

.quiz-feedback-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.quiz-feedback-text {
  margin: 0;
}

.quiz-next-btn {
  margin: 0 auto;
}

.quiz-next-btn.hidden {
  display: none;
}

/* --- Results Screen --- */

.quiz-results-card {
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 40px;
  text-align: center;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  animation: quizResultsIn 0.5s ease;
}

.quiz-results-icon {
  font-size: 52px;
  margin-bottom: 16px;
  line-height: 1;
}

.quiz-results-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.quiz-results-score {
  font-family: 'Old Standard TT', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  line-height: 1;
}

.quiz-results-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}

.quiz-results-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 32px;
}

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

.quiz-result-stat-value {
  font-family: 'Old Standard TT', serif;
  font-size: 1.4rem;
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.quiz-result-stat-value.correct-color {
  color: #4ade80;
}

.quiz-result-stat-value.wrong-color {
  color: #f87171;
}

.quiz-result-stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.quiz-results-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.quiz-secondary-btn {
  background: transparent !important;
  border: 1px solid var(--glass-border) !important;
  color: var(--text-secondary) !important;
}

.quiz-secondary-btn:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

/* --- Animations --- */

@keyframes quizFeedbackIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes quizResultsIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* --- Responsive --- */

@media (max-width: 768px) {
  .quiz-section {
    padding: 80px 0 60px;
  }

  .quiz-start-card,
  .quiz-results-card {
    padding: 32px 24px;
  }

  .quiz-question-card {
    padding: 28px 20px;
  }

  .quiz-start-title,
  .quiz-results-title {
    font-size: 1.3rem;
  }

  .quiz-word-highlight {
    font-size: 1.6rem;
  }

  .quiz-question-text {
    font-size: 1rem;
  }

  .quiz-option {
    padding: 12px 14px;
    font-size: 0.88rem;
  }

  .quiz-results-stats {
    gap: 20px;
  }

  .quiz-results-actions {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 576px) {
  .quiz-start-icon {
    font-size: 44px;
  }

  .quiz-results-score {
    font-size: 2.4rem;
  }
}