/* ==========================================================================
   Review / Recall Quiz Styles (Issue #108 - Step 5)
   Full theme support: Dark Mode (default) & Light Mode ([data-theme="light"])
   ========================================================================== */

.review-quiz-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 40px;
}

.review-quiz-card {
  background-color: var(--surface-color);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  transition: all 0.2s ease;
}

[data-theme="light"] .review-quiz-card {
  background-color: #FFFFFF;
  border-color: #E2E8F0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* Header & Progress */
.review-quiz-header {
  margin-bottom: 20px;
}

.review-quiz-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}

.review-quiz-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-light);
  background-color: var(--surface-color-alt);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

[data-theme="light"] .review-quiz-badge {
  color: var(--primary);
  background-color: #EEF2FF;
}

.review-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.review-pill.speaking {
  background: rgba(236, 72, 153, 0.15);
  color: #EC4899;
}

.review-pill.blank {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
}

[data-theme="light"] .review-pill.speaking {
  background: #FCE7F3;
  color: #DB2777;
}

[data-theme="light"] .review-pill.blank {
  background: #EEF2FF;
  color: var(--primary);
}

.review-progress-track {
  width: 100%;
  height: 6px;
  background-color: var(--surface-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

[data-theme="light"] .review-progress-track {
  background-color: #E2E8F0;
}

.review-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #EC4899, var(--primary));
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* Korean Prompt */
.review-korean-prompt {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background-color: var(--surface-color-alt);
  border-radius: var(--radius-md);
  margin-bottom: 18px;
  border-left: 3.5px solid #EC4899;
}

[data-theme="light"] .review-korean-prompt {
  background-color: #F8FAFC;
}

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

/* Sentence Box */
.review-sentence-box {
  padding: 20px;
  background-color: var(--surface-color-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  margin-bottom: 22px;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.7;
  color: var(--text-color);
  text-align: center;
}

[data-theme="light"] .review-sentence-box {
  background-color: #F8FAFC;
  border-color: #E2E8F0;
  color: #0F172A;
}

.sentence-blank-slot {
  display: inline-block;
  color: var(--primary-light);
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.12);
  border-bottom: 2px solid var(--primary-light);
}

.sentence-blank-slot.slot-correct {
  color: #10B981;
  background: rgba(16, 185, 129, 0.15);
  border-color: #10B981;
}

.sentence-blank-slot.slot-wrong {
  color: #EF4444;
  background: rgba(239, 68, 68, 0.15);
  border-color: #EF4444;
}

/* Speaking Prompt & Microphone */
.speaking-prompt-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}

.speaking-guide-text {
  font-size: 0.95rem;
  color: var(--text-subtle);
  margin: 0;
  text-align: center;
}

[data-theme="light"] .speaking-guide-text {
  color: #475569;
}

.speaking-mic-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  margin: 10px 0;
}

.btn-speaking-mic {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #EC4899, #D946EF);
  color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  z-index: 2;
}

.btn-speaking-mic:hover {
  transform: scale(1.06);
  box-shadow: 0 8px 26px rgba(236, 72, 153, 0.55);
}

.btn-speaking-mic.listening {
  background: linear-gradient(135deg, #EF4444, #DC2626);
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.7);
  animation: mic-pulse 1.2s infinite ease-in-out;
}

@keyframes mic-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.mic-status-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-color);
}

.spoken-transcript-box {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--surface-color-alt);
  border-radius: var(--radius-md);
  border: 1px dashed var(--surface-border);
  text-align: center;
}

[data-theme="light"] .spoken-transcript-box {
  background-color: #F8FAFC;
  border-color: #CBD5E1;
}

.transcript-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-subtle);
  display: block;
  margin-bottom: 4px;
}

.spoken-text {
  margin: 0;
  font-size: 1rem;
  font-style: italic;
  color: var(--text-color);
  min-height: 24px;
}

.btn-text-fallback {
  background: none;
  border: none;
  color: var(--text-subtle);
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: underline;
  padding: 4px 8px;
}

.btn-text-fallback:hover {
  color: var(--primary-light);
}

.manual-input-box {
  display: flex;
  gap: 8px;
  width: 100%;
  margin-top: 10px;
}

/* Blank Input Row */
.blank-prompt-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blank-guide-text {
  font-size: 0.92rem;
  color: var(--text-subtle);
  margin: 0;
}

[data-theme="light"] .blank-guide-text {
  color: #475569;
}

.blank-input-row {
  display: flex;
  gap: 10px;
}

.review-blank-input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 2px solid var(--surface-border);
  background-color: var(--surface-color-alt);
  color: var(--text-color);
  font-size: 1.05rem;
  outline: none;
  transition: all 0.2s ease;
}

.review-blank-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

[data-theme="light"] .review-blank-input {
  background-color: #FFFFFF;
  border-color: #CBD5E1;
  color: #0F172A;
}

/* Feedback Box */
.review-feedback-box {
  padding: 20px;
  border-radius: var(--radius-lg);
  margin-top: 20px;
  border: 1px solid var(--surface-border);
}

.review-feedback-box.success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
}

[data-theme="light"] .review-feedback-box.success {
  background: #F0FDF4;
  border-color: #86EFAC;
}

.review-feedback-box.retry {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
}

[data-theme="light"] .review-feedback-box.retry {
  background: #FFFBEB;
  border-color: #FCD34D;
}

.feedback-comparison {
  margin: 10px 0;
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--text-color);
}

.feedback-explanation {
  font-size: 0.88rem;
  color: var(--text-subtle);
  margin: 8px 0 16px 0;
  line-height: 1.5;
}

/* Completion Screen */
.review-quiz-card.completed {
  text-align: center;
  padding: 36px 20px;
}

.review-complete-icon {
  font-size: 3.2rem;
  margin-bottom: 12px;
}

.review-complete-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-color);
  margin: 0 0 8px 0;
}

.review-complete-desc {
  font-size: 1rem;
  color: var(--text-subtle);
  margin: 0 auto 24px;
  max-width: 500px;
  line-height: 1.65;
}

[data-theme="light"] .review-complete-desc {
  color: #475569;
}

.review-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 28px;
}

.review-stat-box {
  padding: 16px;
  background-color: var(--surface-color-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

[data-theme="light"] .review-stat-box {
  background-color: #F8FAFC;
  border-color: #E2E8F0;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary-light);
}

[data-theme="light"] .stat-value {
  color: var(--primary);
}

.stat-name {
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.review-complete-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}

/* ==========================================================================
   Review Audio Player Section (Step 4 style segment player)
   ========================================================================== */
.review-audio-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 18px 16px;
  background-color: var(--surface-color-alt);
  border-radius: var(--radius-lg);
  margin-bottom: 22px;
  border: 1px solid var(--surface-border);
}

[data-theme="light"] .review-audio-box {
  background-color: #F8FAFC;
  border-color: #E2E8F0;
}

.btn-review-audio-play {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--primary), #4F46E5);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px var(--primary-glow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-review-audio-play:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px var(--primary-glow);
}

.btn-review-audio-play:active {
  transform: translateY(0);
}

.btn-review-audio-play.playing {
  background: linear-gradient(135deg, #10B981, #059669);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.review-audio-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-audio-controls .btn-audio-ctrl {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  background-color: var(--surface-color);
  border: 1px solid var(--surface-border);
  color: var(--text-color);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.review-audio-controls .btn-audio-ctrl:hover {
  border-color: var(--primary-light);
  color: var(--primary-light);
}

[data-theme="light"] .review-audio-controls .btn-audio-ctrl {
  background-color: #FFFFFF;
  border-color: #CBD5E1;
  color: #334155;
}

.review-audio-controls .speed-selector {
  display: inline-flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--surface-border);
}

[data-theme="light"] .review-audio-controls .speed-selector {
  border-color: #CBD5E1;
}

.review-audio-controls .btn-speed-opt {
  padding: 6px 12px;
  background-color: var(--surface-color);
  border: none;
  color: var(--text-subtle);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.review-audio-controls .btn-speed-opt:hover {
  color: var(--text-color);
}

.review-audio-controls .btn-speed-opt.active {
  background-color: var(--primary);
  color: #FFFFFF;
}

[data-theme="light"] .review-audio-controls .btn-speed-opt {
  background-color: #FFFFFF;
  color: #64748B;
}

[data-theme="light"] .review-audio-controls .btn-speed-opt.active {
  background-color: var(--primary);
  color: #FFFFFF;
}