/* ==========================================================================
   TOEIC MASTER COMPONENTS — components.css
   Buttons, Cards, Audio Player, Options A/B/C/D, Explanations Accordion
   ========================================================================== */

/* ── Top Navigation Bar ── */
.app-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: all var(--transition-fast);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.brand-badge {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 0 12px var(--accent-primary-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-link-btn {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link-btn:hover, .nav-link-btn.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--bg-glass-hover);
  transform: rotate(15deg);
}

/* ── Buttons System ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #4f46e5);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-primary-glow);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

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

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* ── Test Card (Dashboard) ── */
.test-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.test-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0.8;
}

.test-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.2);
}

.test-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.test-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.test-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* ── Question Card (Exam Interface) ── */
.question-item {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 12px;
  transition: border-color var(--transition-fast);
}

.question-item.active {
  border-color: var(--accent-primary);
  box-shadow: 0 0 16px var(--accent-primary-glow);
}

.question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.q-number-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-primary);
}

.flag-btn {
  color: var(--text-muted);
  font-size: 1.05rem;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  line-height: 1;
}

.flag-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  transform: scale(1.15);
}

.flag-btn.flagged {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.35);
}

.question-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.45;
}

/* Options Grid / List */
.options-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.option-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  background: var(--bg-tertiary);
  border: 1.2px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  text-align: left;
  font-size: 0.88rem;
  font-weight: 450;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 38px;
}

@media (hover: hover) {
  .option-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-focus);
    transform: translateX(3px);
  }
}

.option-btn.selected {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 0 10px var(--accent-primary-glow);
}

.option-letter {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.78rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-glass);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.option-btn.selected .option-letter {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* ── Result Options Review ── */
.option-btn.correct-ans {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--text-primary);
  font-weight: 600;
}

.option-btn.correct-ans .option-letter {
  background: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

.option-btn.wrong-ans {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--text-primary);
  font-weight: 600;
}

.option-btn.wrong-ans .option-letter {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

/* ── Custom Sleek Audio Player (Review & Single Question) ── */
.audio-player-box {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.audio-play-btn {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  box-shadow: 0 2px 8px var(--accent-primary-glow);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  border: none;
  cursor: pointer;
  padding-left: 2px;
}

.audio-play-btn:hover {
  transform: scale(1.08);
}

.audio-play-btn.playing {
  padding-left: 0;
  box-shadow: 0 0 12px var(--accent-primary);
}

.audio-player-box.playing {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.15);
}

.audio-progress-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.audio-top-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.audio-label-text {
  font-size: 0.8rem;
  font-weight: 700;
  color: #38bdf8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.audio-time-pill {
  font-family: var(--font-heading, monospace);
  font-size: 0.74rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  flex-shrink: 0;
}

.audio-track-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
}

.audio-track-bar::before {
  content: '';
  position: absolute;
  top: -12px;
  bottom: -12px;
  left: 0;
  right: 0;
  cursor: pointer;
  z-index: 2;
}

.audio-fill-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), #38bdf8);
  width: 0%;
  border-radius: var(--radius-full);
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ── Question Images & Passages ── */
.q-image-container {
  position: relative;
  max-width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 12px;
  border: 1px solid var(--border-glass);
  background: rgba(15, 23, 42, 0.5);
  display: flex;
  justify-content: center;
}

.q-image-container img {
  max-width: 100%;
  max-height: 440px;
  object-fit: contain;
  display: block;
}

.passages-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 14px;
  border-left: 4px solid var(--accent-primary);
}

.passage-header {
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-primary);
  margin-bottom: 10px;
}

/* ── Group Review Card (Parts 3, 4, 6, 7 in Result Page) ── */
.group-review-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 12px;
  margin-bottom: 12px;
  border-left: 4px solid var(--accent-primary);
}

.group-review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle);
}

.group-review-badge {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
}

.group-review-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.group-passages-wrap {
  margin-bottom: 8px;
}

.group-subquestions-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.group-subquestion-item {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  transition: border-color var(--transition-fast);
}

.group-subquestion-item:hover {
  border-color: var(--border-focus);
}

.passage-master-translation, .passage-transcript-box {
  margin: 8px 0 10px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  padding: 8px 12px;
  font-size: 0.84rem;
}

.passage-master-translation summary, .passage-transcript-box summary {
  font-weight: 700;
  color: var(--accent-secondary);
  cursor: pointer;
  user-select: none;
}

/* Speaker Badges for Part 3 & 4 Dialogue */
.dialogue-line {
  margin-bottom: 8px;
  line-height: 1.55;
  font-size: 0.86rem;
}

.dialogue-line:last-child {
  margin-bottom: 0;
}

.speaker-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 8px;
  letter-spacing: 0.3px;
  vertical-align: middle;
}

.speaker-badge-man {
  background: rgba(59, 130, 246, 0.18);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.4);
}

.speaker-badge-woman {
  background: rgba(236, 72, 153, 0.18);
  color: #f472b6;
  border: 1px solid rgba(244, 114, 182, 0.4);
}

.dialogue-content {
  vertical-align: middle;
}

/* Zoom button on images */
.image-zoom-btn, .image-zoom-btn-pill {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.65);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  z-index: 5;
  transition: all var(--transition-fast);
}

.image-zoom-btn:hover, .image-zoom-btn-pill:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

/* ── Fullscreen Lightbox Zoom Modal ── */
.image-lightbox-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: auto;
}

.image-lightbox-modal.open {
  display: flex;
}

.lightbox-img-container {
  max-width: 96vw;
  max-height: 94vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-container img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
  background: #ffffff;
}

.lightbox-close-btn {
  position: fixed;
  top: max(16px, env(safe-area-inset-top, 16px));
  right: max(16px, env(safe-area-inset-right, 16px));
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-full);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1010;
  transition: all var(--transition-fast);
}

.lightbox-close-btn:hover {
  background: var(--danger);
  transform: scale(1.1);
}

/* ── Question Palette (200 Question Grid) ── */
.palette-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.palette-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  font-size: 0.82rem;
  text-align: center;
}

.palette-stat-box {
  background: var(--bg-tertiary);
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 4px;
}

.palette-btn {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all var(--transition-fast);
}

.palette-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  transform: scale(1.05);
}

.palette-btn.current {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 10px var(--accent-primary-glow);
}

.palette-btn.answered {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

.palette-btn.flagged::after {
  content: '🚩';
  position: absolute;
  top: -4px;
  right: -4px;
  font-size: 0.75rem;
}

.palette-btn.result-correct {
  background: var(--success);
  color: #ffffff;
}

.palette-btn.result-wrong {
  background: var(--danger);
  color: #ffffff;
}

/* ── Modern Review Question Cards & Explanations ── */
.review-q-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 12px;
  transition: all var(--transition-fast);
}

.review-q-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.review-q-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.review-q-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.review-q-num {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.review-part-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-secondary);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.status-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.status-correct {
  background: rgba(16, 185, 129, 0.16);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.status-wrong {
  background: rgba(239, 68, 68, 0.16);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.status-empty {
  background: rgba(148, 163, 184, 0.14);
  color: var(--text-muted);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.review-answers-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ans-badge {
  font-size: 0.8rem;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.ans-badge strong {
  font-weight: 800;
}

.ans-user-correct {
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.ans-user-wrong {
  background: rgba(239, 68, 68, 0.14);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.ans-user-none {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
}

.ans-key {
  background: rgba(99, 102, 241, 0.16);
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #a5b4fc;
}

.ans-key strong {
  color: #ffffff;
}

/* ── Review Options List with Inline Translation ── */
.review-options-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.review-opt-card {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.review-opt-card .review-opt-letter {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.review-opt-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.review-opt-en {
  font-size: 0.90rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.35;
}

.review-opt-vi {
  font-size: 0.80rem;
  color: var(--text-muted);
  line-height: 1.35;
  white-space: pre-line;
}

/* Correct Answer Option Styling */
.review-opt-card.opt-correct {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.45);
}

.review-opt-card.opt-correct .review-opt-letter {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
}

.review-opt-card.opt-correct .review-opt-en {
  color: #ffffff;
  font-weight: 700;
}

.review-opt-card.opt-correct .review-opt-vi {
  color: #a7f3d0;
  font-weight: 500;
}

/* User's Wrong Answer Option Styling */
.review-opt-card.opt-user-wrong {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.45);
}

.review-opt-card.opt-user-wrong .review-opt-letter {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

.review-opt-card.opt-user-wrong .review-opt-en {
  color: #ffffff;
  font-weight: 600;
}

.review-opt-card.opt-user-wrong .review-opt-vi {
  color: #fca5a5;
}

/* Minimalist Mark Icons (✓ / ✗) - Compact & Elegant */
.opt-mark-icon {
  font-size: 0.82rem;
  font-weight: 800;
  width: 16px;
  height: 16px;
  min-width: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.opt-mark-icon.mark-correct {
  color: #10b981;
}

.opt-mark-icon.mark-wrong {
  color: #ef4444;
}

/* ── Modern Redesigned Explanation Accordion ── */
.explanation-toggle-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding: 9px 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  font-size: 0.86rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.explanation-toggle-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  color: #ffffff;
  border-color: rgba(99, 102, 241, 0.5);
}

.explanation-toggle-btn.expanded {
  background: rgba(99, 102, 241, 0.25);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
}

.explanation-toggle-btn .arrow-icon {
  transition: transform var(--transition-fast);
}

.explanation-toggle-btn.expanded .arrow-icon {
  transform: rotate(180deg);
}

.explanation-panel {
  display: none;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-top: none;
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  padding: 16px;
  gap: 14px;
  flex-direction: column;
}

.explanation-panel.show {
  display: flex;
}

.exp-card {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.exp-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.exp-icon {
  font-size: 1.05rem;
}

.exp-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.exp-trans-card .exp-title {
  color: #38bdf8;
}

.exp-detail-card .exp-title {
  color: #10b981;
}

.exp-analysis-card .exp-title {
  color: #f59e0b;
}

.exp-card-content {
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.exp-text-prose {
  white-space: pre-line;
}

.exp-q-trans {
  margin-bottom: 10px;
}

.exp-q-trans .exp-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  margin-bottom: 4px;
}

.exp-options-trans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.exp-opt-trans-item {
  display: flex;
  gap: 6px;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.85);
}

.exp-opt-trans-item.is-correct {
  color: #10b981;
  font-weight: 600;
}

.exp-empty-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: rgba(148, 163, 184, 0.08);
  border: 1px dashed rgba(148, 163, 184, 0.25);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.84rem;
  font-style: italic;
}

/* ── Interactive Passage Overlays (Part 6 & Part 7 Sentence-by-Sentence Translation) ── */
.interactive-passage-container {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 12px;
}

.passage-click-hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px dashed var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  margin-bottom: 8px;
  font-size: 0.8rem;
  color: var(--accent-secondary);
  font-weight: 500;
}

.passage-image-wrap {
  position: relative;
  display: inline-block;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  cursor: crosshair;
}

.interactive-passage-img {
  width: 100%;
  height: auto;
  display: block;
  user-select: none;
  -webkit-user-select: none;
}

.passage-overlays-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.sentence-overlay-box {
  position: absolute;
  border: 1px dashed rgba(99, 102, 241, 0.2);
  background: transparent;
  border-radius: 3px;
  cursor: pointer;
  pointer-events: auto;
  transition: all var(--transition-fast);
}

.sentence-overlay-box:hover {
  background: rgba(99, 102, 241, 0.05);
  border-color: rgba(99, 102, 241, 0.45);
}

.sentence-overlay-box.active {
  background: rgba(99, 102, 241, 0.07);
  border: 1.5px dashed var(--accent-primary);
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.3);
  z-index: 10;
}

/* Active Sentence Card */
.sentence-lookup-card {
  margin-top: 14px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 16px;
  animation: fadeIn 0.2s ease forwards;
  box-shadow: var(--shadow-md);
}

.sentence-lookup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.sentence-badge {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.15);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.sentence-close-btn {
  background: transparent;
  border: none;
  font-size: 1.3rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 6px;
  line-height: 1;
}

.sentence-close-btn:hover {
  color: var(--danger);
}

.sentence-text-en {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.sentence-text-vi {
  font-size: 0.95rem;
  color: var(--success);
  margin-bottom: 8px;
  line-height: 1.5;
  background: rgba(16, 185, 129, 0.08);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--success);
}

.sentence-text-note {
  font-size: 0.88rem;
  color: var(--accent-secondary);
  font-style: italic;
  line-height: 1.5;
  margin-top: 6px;
}

/* Sentence Quick Navigation Pills */
.sentence-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
  align-items: center;
}

.sentence-pills-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-right: 4px;
}

.sentence-pill-btn {
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sentence-pill-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.sentence-pill-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* ── Modern Exam Room Components ── */

/* 1. Exam Navbar Customizations */
.exam-navbar {
  padding: 10px 24px;
}

.exam-exit-link {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.exam-exit-link:hover {
  color: var(--danger);
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.12);
}

.exam-navbar .exam-timer {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.5px;
}

/* 2. Compact Part Section Divider */
.part-section-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  margin: 18px 0 12px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.22);
  border-left: 3.5px solid var(--accent-primary);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.part-section-divider .part-badge {
  background: var(--accent-primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.part-section-divider .part-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.part-section-divider .part-range {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: auto;
}

/* 3. Blind Options A, B, C, D (Parts 1 & 2) */
.listening-blind-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.listening-blind-options.part2-blind-options {
  grid-template-columns: repeat(3, 1fr);
}

.blind-opt-btn {
  justify-content: center !important;
  align-items: center !important;
  padding: 10px 8px !important;
  min-height: 42px !important;
  border-radius: var(--radius-md) !important;
  background: var(--bg-tertiary);
  border: 1.5px solid var(--border-glass);
}

@media (hover: hover) {
  .blind-opt-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
  }
}

.blind-opt-btn.selected {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)) !important;
  border-color: transparent !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px var(--accent-primary-glow) !important;
}

.blind-opt-btn .option-letter {
  background: transparent !important;
  border: none !important;
  font-size: 1.05rem !important;
  font-weight: 800 !important;
  color: var(--text-primary);
  width: auto !important;
  height: auto !important;
}

.blind-opt-btn.selected .option-letter {
  color: #ffffff !important;
}

/* 4. Zoomable Images Without Obtrusive Buttons */
.zoomable-image-wrap {
  cursor: zoom-in;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.zoomable-image-wrap:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

/* 5. Integrated Header Audio Player */
.header-audio-player {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  max-width: 440px;
  margin: 0 16px;
  padding: 5px 14px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-full);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-sizing: border-box;
}

.master-lc-play-btn {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  box-shadow: 0 2px 8px var(--accent-primary-glow);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  border: none;
  padding-left: 2px;
}

.master-lc-play-btn.playing {
  padding-left: 0;
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.5);
}

.master-lc-play-btn:hover {
  transform: scale(1.08);
}

.master-lc-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  cursor: default; /* ETS Exam: candidate cannot scrub audio */
  position: relative;
  overflow: hidden;
  user-select: none;
}

.master-lc-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-primary), #38bdf8);
  border-radius: var(--radius-full);
  transition: width 0.15s linear;
}

.master-lc-times {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.76rem;
  font-weight: 600;
  font-family: var(--font-heading, monospace);
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
}

.master-audio-divider {
  color: rgba(255, 255, 255, 0.4);
}

/* ── Modern In-App Submit Confirmation Modal ── */
.submit-confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.submit-confirm-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 30, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.submit-confirm-modal .modal-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(15, 23, 42, 0.98));
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.08);
  overflow: hidden;
  z-index: 1;
}

.submit-confirm-modal .modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.submit-confirm-modal .modal-header-icon {
  font-size: 1.5rem;
}

.submit-confirm-modal .modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  flex: 1;
}

.submit-confirm-modal .modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color var(--transition-fast);
}

.submit-confirm-modal .modal-close-btn:hover {
  color: #ffffff;
}

.submit-confirm-modal .modal-body {
  padding: 20px;
}

.submit-confirm-modal .submit-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.submit-confirm-modal .submit-stat-box {
  padding: 12px;
  border-radius: var(--radius-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.submit-confirm-modal .stat-done {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.submit-confirm-modal .stat-done .stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: #10b981;
}

.submit-confirm-modal .stat-left {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.submit-confirm-modal .stat-left .stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ef4444;
}

.submit-confirm-modal .stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.submit-confirm-modal .submit-warning-text {
  font-size: 0.88rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  text-align: center;
}

.submit-confirm-modal .modal-actions {
  display: flex;
  gap: 10px;
  padding: 14px 20px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.submit-confirm-modal .modal-actions button {
  flex: 1;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
  white-space: normal;
  text-align: center;
}

@media (max-width: 360px) {
  .submit-confirm-modal .modal-actions {
    flex-direction: column;
    gap: 8px;
  }
  .submit-confirm-modal .modal-actions button {
    width: 100%;
  }
}

.animate-scale-up {
  animation: modalScaleUp 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalScaleUp {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ── Light Mode Comprehensive Harmonization (WCAG AAA Contrast) ── */

/* 1. Review Option Cards (Result Page) */
[data-theme="light"] .review-opt-card {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .review-opt-card:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

[data-theme="light"] .review-opt-card .review-opt-letter {
  background: #f1f5f9;
  color: #334155;
  border-color: #cbd5e1;
}

[data-theme="light"] .review-opt-card .review-opt-en {
  color: #0f172a;
}

[data-theme="light"] .review-opt-card .review-opt-vi {
  color: #475569;
  font-weight: 500;
}

/* Light Mode: Correct Answer (Green) — High Contrast & Readable */
[data-theme="light"] .review-opt-card.opt-correct {
  background: #ecfdf5;
  border-color: #10b981;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.15);
}

[data-theme="light"] .review-opt-card.opt-correct .review-opt-letter {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
}

[data-theme="light"] .review-opt-card.opt-correct .review-opt-en {
  color: #065f46;
  font-weight: 700;
}

[data-theme="light"] .review-opt-card.opt-correct .review-opt-vi {
  color: #047857;
  font-weight: 600;
}

/* Light Mode: User's Wrong Answer (Red) — High Contrast & Readable */
[data-theme="light"] .review-opt-card.opt-user-wrong {
  background: #fef2f2;
  border-color: #ef4444;
  box-shadow: 0 2px 10px rgba(239, 68, 68, 0.15);
}

[data-theme="light"] .review-opt-card.opt-user-wrong .review-opt-letter {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

[data-theme="light"] .review-opt-card.opt-user-wrong .review-opt-en {
  color: #991b1b;
  font-weight: 700;
}

[data-theme="light"] .review-opt-card.opt-user-wrong .review-opt-vi {
  color: #b91c1c;
  font-weight: 600;
}

/* 2. Explanation Accordion & Cards */
[data-theme="light"] .explanation-toggle-btn {
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  color: #4338ca;
  font-weight: 700;
  padding: 10px 16px;
}

[data-theme="light"] .explanation-toggle-btn:hover {
  background: #e0e7ff;
  color: #3730a3;
  border-color: #a5b4fc;
}

[data-theme="light"] .explanation-toggle-btn.expanded {
  background: #e0e7ff;
  color: #312e81;
  border-color: #a5b4fc;
  border-bottom-color: transparent;
}

[data-theme="light"] .explanation-panel {
  background: #f8fafc;
  border-color: #c7d2fe;
}

[data-theme="light"] .exp-card {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .exp-card-header {
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

[data-theme="light"] .exp-trans-card .exp-title {
  color: #0284c7;
}

[data-theme="light"] .exp-detail-card .exp-title {
  color: #059669;
}

[data-theme="light"] .exp-analysis-card .exp-title {
  color: #d97706;
}

[data-theme="light"] .exp-card-content {
  color: #1e293b;
}

[data-theme="light"] .exp-analysis-text {
  color: #92400e;
}

[data-theme="light"] .exp-opt-trans-item {
  color: var(--text-primary);
}

/* 3. Exam Room Options & Navigation (exam.html) */
[data-theme="light"] .option-btn {
  background: #ffffff;
  border: 1.2px solid #e2e8f0;
  color: #1e293b;
}

[data-theme="light"] .option-btn:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

[data-theme="light"] .option-letter {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #475569;
}

[data-theme="light"] .option-btn.selected {
  background: #eef2ff;
  border-color: #6366f1;
  color: #312e81;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

[data-theme="light"] .option-btn .option-text {
  color: #1e293b;
}

[data-theme="light"] .option-btn.selected .option-text {
  color: #312e81;
  font-weight: 600;
}

[data-theme="light"] .option-btn.selected .option-letter {
  background: #6366f1;
  color: #ffffff;
  border-color: #6366f1;
}

/* 4. Audio Players & Transcripts */
[data-theme="light"] .audio-player-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .header-audio-player {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .master-lc-bar {
  background: #e2e8f0;
}

[data-theme="light"] .master-lc-times {
  color: var(--text-primary);
}

[data-theme="light"] .master-audio-divider {
  color: var(--text-muted);
}

[data-theme="light"] .passage-transcript-box {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .passage-transcript-box summary {
  color: #4338ca;
}

[data-theme="light"] .interactive-passage-container {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .passage-click-hint {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #1d4ed8;
}

[data-theme="light"] .group-review-card {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .group-review-badge {
  background: #eef2ff;
  color: #4338ca;
  border-color: #c7d2fe;
}

/* 5. Home Dashboard & Modals */
[data-theme="light"] .test-card {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .test-card:hover {
  border-color: #6366f1;
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.15);
}

[data-theme="light"] .test-meta-badge {
  background: #f1f5f9;
  color: #334155;
  font-weight: 600;
}

[data-theme="light"] .submit-confirm-modal .modal-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .submit-confirm-modal .modal-header h3 {
  color: var(--text-primary);
}

[data-theme="light"] .submit-confirm-modal .submit-warning-text {
  color: var(--text-secondary);
}

[data-theme="light"] .submit-confirm-modal .stat-done {
  background: #ecfdf5;
  border-color: #a7f3d0;
}

[data-theme="light"] .submit-confirm-modal .stat-done .stat-number {
  color: #047857;
}

[data-theme="light"] .submit-confirm-modal .stat-left {
  background: #fffbeb;
  border-color: #fde68a;
}

[data-theme="light"] .submit-confirm-modal .stat-left .stat-number {
  color: #b45309;
}

[data-theme="light"] .review-q-num {
  color: var(--text-primary);
}

[data-theme="light"] .sentence-lookup-card {
  background: #ffffff;
  border-color: #6366f1;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.12);
}

[data-theme="light"] .sentence-text-en {
  color: #0f172a;
}

[data-theme="light"] .sentence-text-vi {
  background: #ecfdf5;
  color: #047857;
  border-left-color: #10b981;
}

[data-theme="light"] .sentence-pill-btn {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #475569;
}

[data-theme="light"] .sentence-pill-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
  border-color: #94a3b8;
}

[data-theme="light"] .sentence-pill-btn.active {
  background: #6366f1;
  color: #ffffff;
  border-color: #6366f1;
}