/* EnglishFlow - Onboarding & Diagnostic Test Styles */

.diagnostic-container {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 820px;
  max-width: 96vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  animation: zoomInModal 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.diagnostic-header {
  padding: 24px 30px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.diagnostic-badge {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.diagnostic-progress-bar {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.05);
}

.diagnostic-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  width: 0%;
  transition: width 0.35s ease;
}

.diagnostic-body {
  padding: 24px 28px;
  overflow-y: auto;
  flex: 1;
}

.question-step {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.step-counter {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.question-prompt {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: #ffffff;
}

.diagnostic-audio-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--radius-md);
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
}

.audio-btn-primary, .audio-btn-secondary {
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

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

.audio-btn-primary:hover {
  box-shadow: 0 0 15px var(--accent-glow);
}

.audio-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.audio-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.diagnostic-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.diagnostic-option-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: left;
  color: var(--text-main);
}

.diagnostic-option-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateX(4px);
}

.opt-letter {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  flex-shrink: 0;
}

.opt-text {
  font-size: 0.95rem;
  line-height: 1.4;
}

/* Result Card */
.diagnostic-result-card {
  text-align: center;
  padding: 10px 0;
}

.result-trophy {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.15);
  border: 2px solid var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--amber);
  margin: 0 auto 20px;
}

.diagnostic-result-card h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.result-score-tag {
  display: inline-block;
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 22px;
}

.result-level-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 25px;
}

.level-sub {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.level-main {
  font-size: 2rem;
  color: var(--accent);
  font-weight: 800;
  margin: 8px 0;
}

.level-explanation {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.5;
  max-width: 500px;
  margin: 0 auto;
}

/* --- RESULT WRAPPER & CEFR LADDER --- */
.diagnostic-result-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-height: 75vh;
  overflow-y: auto;
  padding-right: 6px;
}

.result-header-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.result-score-ring {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.12);
  border: 3px solid var(--accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--accent-glow);
}

.score-number {
  font-size: 1.8rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.result-score-ring small {
  font-size: 0.7rem;
  color: #93c5fd;
  margin-top: 4px;
}

.cefr-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.cefr-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
}

.cefr-description {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.45;
  margin-bottom: 10px;
}

.cefr-next-step {
  font-size: 0.82rem;
  color: #fde68a;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

/* CEFR Ladder */
.cefr-ladder-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.ladder-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 14px;
}

.cefr-ladder-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.cefr-ladder-steps::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 30px;
  right: 30px;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 1;
}

.ladder-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 2;
}

.step-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid #334155;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.ladder-step.current-step .step-circle {
  background: var(--accent);
  border-color: #93c5fd;
  color: #ffffff;
  transform: scale(1.15);
  box-shadow: 0 0 16px var(--accent-glow);
}

.step-label {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
}

/* --- UNIFIED REVIEW SECTION (Zero duplicates, clean cards) --- */
.unified-review-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.review-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: var(--radius-md);
}

.review-title-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-title-text i {
  color: var(--accent);
}

.filter-pills-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-pill-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.filter-pill-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.filter-pill-btn.active {
  background: var(--accent);
  border-color: #93c5fd;
  color: #ffffff;
  box-shadow: 0 0 10px var(--accent-glow);
}

.weakness-alert-banner {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fca5a5;
  font-size: 0.85rem;
  line-height: 1.4;
}

.weakness-alert-banner i {
  font-size: 1.2rem;
  color: #ef4444;
  flex-shrink: 0;
}

.perfect-score-banner {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: #a7f3d0;
  font-size: 0.9rem;
}

.perfect-score-banner i {
  font-size: 1.8rem;
  color: var(--primary);
}

.review-cards-feed {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Individual Clean Question Card */
.clean-diag-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-fast);
}

.clean-diag-card.card-wrong {
  border-left: 5px solid #ef4444;
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.04), rgba(15, 23, 42, 0.6));
}

.clean-diag-card.card-correct {
  border-left: 5px solid #10b981;
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.04), rgba(15, 23, 42, 0.6));
}

.clean-diag-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.card-meta-tags {
  display: flex;
  align-items: center;
  gap: 8px;
}

.q-num-badge {
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 8px;
  border-radius: 4px;
}

.q-cat-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: #93c5fd;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.q-status-badge {
  font-size: 0.76rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.q-status-badge.badge-ok {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.q-status-badge.badge-err {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.card-prompt-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.45;
  margin-bottom: 14px;
}

.card-comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

@media (max-width: 600px) {
  .card-comparison-row {
    grid-template-columns: 1fr;
  }
}

.ans-pill-box {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.86rem;
}

.ans-pill-box small {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.ans-pill-box.user-pill.ans-wrong {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.ans-pill-box.user-pill.ans-right {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #86efac;
}

.ans-pill-box.correct-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: #ffffff;
}

.card-rule-box {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: #fde68a;
  line-height: 1.45;
}

.card-rule-box i {
  color: #f59e0b;
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Sticky Exit Footer */
.result-sticky-footer {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-dismiss-modal {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.btn-dismiss-modal:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: var(--border-light);
}

/* ==========================================================================
   LIGHT MODE CONTRAST & LEGIBILITY OVERRIDES (Diagnostic Placement Test)
   ========================================================================== */
[data-theme="light"] .diagnostic-container,
body.light-theme .diagnostic-container {
  background: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15) !important;
}

[data-theme="light"] .diagnostic-header,
body.light-theme .diagnostic-header {
  background: #f8fafc !important;
  border-bottom: 1px solid #e2e8f0 !important;
}

[data-theme="light"] .question-prompt,
body.light-theme .question-prompt {
  color: #0f172a !important;
}

[data-theme="light"] .step-counter,
body.light-theme .step-counter {
  color: #475569 !important;
}

[data-theme="light"] .diagnostic-audio-box,
body.light-theme .diagnostic-audio-box {
  background: #f8fafc !important;
  border: 1px solid #cbd5e1 !important;
}

[data-theme="light"] .audio-btn-secondary,
body.light-theme .audio-btn-secondary {
  background: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  color: #0f172a !important;
}

[data-theme="light"] .audio-btn-secondary:hover,
body.light-theme .audio-btn-secondary:hover {
  background: #f1f5f9 !important;
  border-color: #94a3b8 !important;
}

[data-theme="light"] .diag-option-btn,
body.light-theme .diag-option-btn {
  background: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  color: #0f172a !important;
}

[data-theme="light"] .diag-option-btn:hover,
body.light-theme .diag-option-btn:hover {
  background: #eff6ff !important;
  border-color: #3b82f6 !important;
}

[data-theme="light"] .diag-choice-letter,
body.light-theme .diag-choice-letter {
  background: #f1f5f9 !important;
  color: #2563eb !important;
}

[data-theme="light"] .diagnostic-results-view,
body.light-theme .diagnostic-results-view {
  background: #ffffff !important;
}

[data-theme="light"] .diag-score-num,
body.light-theme .diag-score-num {
  color: #0f172a !important;
}

[data-theme="light"] .diag-feedback-card,
body.light-theme .diag-feedback-card {
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
}

[data-theme="light"] .diag-q-topic,
body.light-theme .diag-q-topic {
  color: #2563eb !important;
}

[data-theme="light"] .diag-q-text,
body.light-theme .diag-q-text {
  color: #0f172a !important;
}

[data-theme="light"] .card-rule-box,
body.light-theme .card-rule-box {
  background: #fef3c7 !important;
  border: 1px solid #fde68a !important;
  color: #92400e !important;
}

[data-theme="light"] .ans-pill-box,
body.light-theme .ans-pill-box {
  background: #f8fafc !important;
  border: 1px solid #e2e8f0 !important;
  color: #334155 !important;
}

[data-theme="light"] .btn-dismiss-modal,
body.light-theme .btn-dismiss-modal {
  background: #f1f5f9 !important;
  border: 1px solid #cbd5e1 !important;
  color: #0f172a !important;
}

[data-theme="light"] .btn-dismiss-modal:hover,
body.light-theme .btn-dismiss-modal:hover {
  background: #e2e8f0 !important;
}