/* Additional Component Styles */

/* Question Component */
.question-container {
  position: relative;
}

.question-text {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 16px;
}

/* Option Component */
.option {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: start;
  padding-left: 40px;
  max-width: 100%;
  overflow: hidden;
}

.option::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 18px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-light);
  border-radius: 50%;
  background: white;
  transition: all 0.2s ease;
}

.option.selected::before {
  border-color: var(--accent);
  background: var(--accent);
}

.option.selected::after {
  content: '';
  position: absolute;
  left: 18px;
  top: 24px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: white;
}

.option-key {
  font-weight: 800;
  color: #374151;
  line-height: 1.55;
}

.option-content {
  min-width: 0;
  line-height: 1.55;
}

.option.selected {
  border-color: var(--accent);
  background: #eff6ff;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.16);
}

.rich-content {
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: normal;
}

.rich-content > :first-child {
  margin-top: 0;
}

.rich-content > :last-child {
  margin-bottom: 0;
}

.rich-content p,
.rich-content ul,
.rich-content ol,
.rich-content pre,
.rich-content blockquote,
.rich-content .table-wrapper {
  margin: 0 0 12px;
}

.rich-content ul,
.rich-content ol {
  padding-left: 22px;
}

.rich-content code {
  border-radius: 5px;
  background: #f3f4f6;
  padding: 1px 5px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.92em;
}

.rich-content pre {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f8fafc;
  padding: 10px;
  -webkit-overflow-scrolling: touch;
}

.rich-content pre code {
  padding: 0;
  background: transparent;
  white-space: pre;
}

.rich-content .table-wrapper {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  -webkit-overflow-scrolling: touch;
}

.rich-content table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.rich-content th,
.rich-content td {
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.rich-content th:last-child,
.rich-content td:last-child {
  border-right: 0;
}

.rich-content tr:last-child td {
  border-bottom: 0;
}

.rich-content th {
  background: #f8fafc;
  color: #374151;
  font-weight: 800;
}

.rich-content a {
  color: var(--accent);
  text-decoration: underline;
}

.rich-content .katex-display {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 0;
  margin: 10px 0;
  -webkit-overflow-scrolling: touch;
}

.rich-content .katex {
  font-size: 1.02em;
}

.option-content .katex-display {
  margin: 4px 0;
}

.answer-review-content {
  display: inline-block;
  max-width: 100%;
  margin-top: 4px;
}

/* Progress Component */
.progress-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-text {
  font-size: 12px;
  color: var(--muted);
  min-width: 60px;
}

/* Summary Component */
.summary-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-item {
  text-align: center;
  padding: 12px;
  background: var(--card);
  border-radius: var(--radius);
}

.stat-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Topic Breakdown */
.topic-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.topic-name {
  font-size: 14px;
  font-weight: 500;
}

.topic-count {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

/* Loading States */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Button States */
.btn-loading {
  position: relative;
  color: transparent;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Keyboard Navigation */
.option:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Icon tiles */
.icon-tile {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.icon-tile--sm {
  width: 32px;
  height: 32px;
  border-radius: 10px;
}

.icon-tile .app-icon,
.icon-tile svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.2;
}

.icon-tile--sm .app-icon,
.icon-tile--sm svg {
  width: 17px;
  height: 17px;
}

.icon-tile--foundation {
  background: var(--tile-foundation-bg);
  color: var(--tile-foundation-color);
}

.icon-tile--quant {
  background: var(--tile-quant-bg);
  color: var(--tile-quant-color);
}

.icon-tile--markets {
  background: var(--tile-markets-bg);
  color: var(--tile-markets-color);
}

.icon-tile--valuation {
  background: var(--tile-valuation-bg);
  color: var(--tile-valuation-color);
}

.icon-tile--premium {
  background: var(--tile-premium-bg);
  color: var(--tile-premium-color);
}

.icon-tile--neutral {
  background: var(--tile-neutral-bg);
  color: var(--tile-neutral-color);
}

.icon-tile--locked {
  background: var(--tile-locked-bg);
  color: var(--tile-locked-color);
}

/* Exam level sections (home) */
.level-section {
  margin-top: 18px;
}

.level-section:first-of-type {
  margin-top: 0;
}

.level-section__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.level-section__title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
}

.level-section__description {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.level-badge {
  flex-shrink: 0;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
}

.level-badge--available {
  background: #ecfdf5;
  color: #047857;
}

.level-badge--coming-soon {
  background: #f1f5f9;
  color: #64748b;
}

.level-section--locked .category-list {
  gap: 8px;
}

.level-section--available .practice-cta,
.level-section--available .exam-training-cta {
  margin-top: 10px;
}

.level-section--available .exam-training-cta + .practice-cta {
  margin-top: 10px;
}

/* Category cards */
.category-card {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 64px;
  padding: 12px 14px;
  border: 1px solid var(--border-card);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.category-card__content {
  flex: 1;
  min-width: 0;
}

.category-card__title {
  display: block;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.3;
  color: var(--text-primary);
}

.category-card__chevron {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--chevron);
}

.category-card:hover {
  border-color: #cbd5e1;
}

.category-card:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.category-card:active {
  transform: scale(0.99);
}

.category-card--disabled {
  opacity: 0.72;
  cursor: not-allowed;
  background: var(--surface-muted);
  min-height: 56px;
  padding: 10px 14px;
  pointer-events: none;
}

.category-card--disabled:hover,
.category-card--disabled:active {
  border-color: var(--border-card);
  box-shadow: none;
  transform: none;
}

.category-card--disabled:focus-visible {
  outline: none;
  border-color: var(--border-card);
  box-shadow: none;
}

.category-card--disabled .category-card__title {
  color: var(--text-secondary);
}

/* Mixed practice CTA */
.practice-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  min-height: 64px;
  padding: 14px 16px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #ffffff;
  text-align: left;
  cursor: pointer;
  font: inherit;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
  transition: transform 0.1s ease, box-shadow 0.15s ease;
}

.practice-cta__main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
}

.practice-cta__main .app-icon {
  width: 20px;
  height: 20px;
  stroke-width: 2.4;
}

.practice-cta__sub {
  font-size: 13px;
  font-weight: 500;
  opacity: 0.92;
  line-height: 1.35;
  padding-left: 30px;
}

.practice-cta:hover {
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.34);
}

.practice-cta:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 2px;
}

.practice-cta:active {
  transform: scale(0.99);
}

.exam-training-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  min-height: 64px;
  margin-bottom: 10px;
  padding: 14px 16px;
  border: 1px solid rgba(124, 58, 237, 0.35);
  border-radius: 14px;
  background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
  color: #ffffff;
  text-align: left;
  cursor: pointer;
  font: inherit;
  box-shadow: 0 4px 14px rgba(91, 33, 182, 0.28);
}

.exam-training-cta__main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
}

.exam-training-cta__sub {
  font-size: 13px;
  font-weight: 500;
  opacity: 0.92;
  line-height: 1.35;
  padding-left: 30px;
}

.exam-training-cta:focus-visible {
  outline: 2px solid #5b21b6;
  outline-offset: 2px;
}

.question-mode-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #5b21b6;
  margin: 0 0 4px;
}

.exam-question-footer {
  flex-direction: column;
  gap: 10px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
}

.exam-timer {
  width: 100%;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--surface-muted);
  border: 1px solid var(--border-card);
}

.exam-timer--expired {
  color: #b91c1c;
  border-color: rgba(185, 28, 28, 0.35);
}

.exam-footer-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
}

.exam-footer-actions .btn-primary {
  grid-column: 1 / -1;
}

.exam-start-copy p {
  margin: 0 0 10px;
  line-height: 1.45;
}

.exam-navigator-panel {
  max-width: 520px;
}

.exam-navigator-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 6px;
  max-height: 50vh;
  overflow: auto;
  padding: 4px 0;
}

.exam-nav-cell {
  min-height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border-card);
  background: #fff;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.exam-nav-cell--current {
  border-color: #5b21b6;
  background: rgba(124, 58, 237, 0.12);
}

.exam-nav-cell--answered {
  background: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.45);
}

.exam-nav-cell--unanswered {
  background: #fff;
}

.exam-category-breakdown {
  display: grid;
  gap: 10px;
  margin: 12px 0 16px;
}

.exam-category-card {
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--surface-muted);
}

.exam-category-card__title {
  font-weight: 700;
  margin-bottom: 4px;
}

/* Subscription status */
.subscription-status {
  align-items: center;
  background: var(--surface-muted);
  border: 1px solid var(--border-card);
  border-radius: 14px;
  display: flex;
  gap: 12px;
  padding: 12px 14px;
}

.subscription-status__body {
  flex: 1;
  min-width: 0;
}

.subscription-status__title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
}

.subscription-status__text {
  margin-top: 2px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.subscription-status--active {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.subscription-status--free {
  background: var(--surface-muted);
}

.subscription-status--loading .subscription-status__text {
  color: var(--text-secondary);
}

.subscription-status .btn {
  flex-shrink: 0;
  padding: 8px 12px;
  font-size: 13px;
}

.subscription-status-attention {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Secondary nav cards */
.nav-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 84px;
  padding: 12px 8px;
  border: 1px solid var(--border-card);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-primary);
  cursor: pointer;
  font: inherit;
  text-align: center;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.nav-card__label {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
}

.nav-card:hover {
  background: var(--surface-muted);
  border-color: #cbd5e1;
}

.nav-card:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.nav-card:active {
  transform: scale(0.98);
}

/* Summary stat tiles */
.summary-stat-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.summary-stat-label .icon-tile--sm {
  flex-shrink: 0;
}

.subscription-plans {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
}

.subscription-plan-option {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: #111827;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  min-height: 44px;
  padding: 10px 12px;
  text-align: left;
}

.subscription-plan-option.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
}

.subscription-fallback {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  color: #1e40af;
  margin: 0 0 16px;
  padding: 10px 12px;
}

.subscription-fallback a {
  color: var(--accent);
  display: inline-block;
  font-weight: 700;
  margin-top: 6px;
}

.modal-backdrop {
  align-items: center;
  background: rgba(15, 23, 42, 0.44);
  bottom: 0;
  display: flex;
  justify-content: center;
  left: 0;
  padding:
    calc(18px + var(--app-safe-top))
    max(18px, var(--app-safe-right))
    calc(18px + var(--app-safe-bottom))
    max(18px, var(--app-safe-left));
  position: fixed;
  right: 0;
  top: 0;
  z-index: 1200;
  box-sizing: border-box;
}

.modal-panel {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.22);
  max-width: 440px;
  padding: 16px;
  width: min(100%, 440px);
}

.modal-header {
  align-items: flex-start;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 14px;
}

.modal-close-btn {
  flex-shrink: 0;
}

#paywallPayBtn {
  width: 100%;
}

.question-report-panel {
  max-width: 480px;
  width: min(100%, 480px);
}

.question-report-panel .field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-top: 12px;
  text-transform: uppercase;
  color: var(--muted);
}

.report-select,
.report-comment {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}

.report-comment {
  min-height: 96px;
  resize: vertical;
}

.report-error {
  color: #dc2626;
  margin-top: 10px;
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.leave-session-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.leave-session-actions .btn {
  width: 100%;
  min-height: 48px;
  justify-content: center;
}

.btn.ghost.subtle {
  font-size: 12px;
  padding: 6px 10px;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Print Styles */
@media print {
  .btn,
  .notification-container {
    display: none !important;
  }
  
  .frame {
    display: block !important;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}