/* ==========================================================================
   Lesson Playlist - Udemy-style compact rows with expandable player
   ========================================================================== */

/* Row wrapper */
.lesson-row {
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 8px;
  margin-bottom: 6px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.lesson-row--active {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Compact trigger row */
.lesson-row-trigger {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 12px 16px;
  gap: 10px;
  border: none;
  background: var(--iq-body-bg, #f8f9fa);
  cursor: pointer;
  text-align: left;
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  color: var(--iq-body-text, #333);
  transition: background 0.15s ease;
}

.lesson-row-trigger:hover {
  background: var(--iq-body-bg, #eef0f2);
  filter: brightness(0.97);
}

.lesson-row-trigger:focus-visible {
  outline: 2px solid var(--iq-primary, #003399);
  outline-offset: -2px;
}

.lesson-row--active .lesson-row-trigger {
  background: transparent;
  font-weight: 500;
}

/* Row left section (number + info block) */
.lesson-row-left {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

/* Row number */
.lesson-row-num {
  flex-shrink: 0;
  width: 24px;
  font-weight: 600;
  color: var(--iq-body-text, #666);
  opacity: 0.6;
  padding-top: 1px;
}

/* Row info block (title + description) */
.lesson-row-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

/* Row title */
.lesson-row-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

/* Row description (second line, muted) */
.lesson-row-desc {
  font-size: 0.78rem;
  color: var(--iq-body-text, #888);
  opacity: 0.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.lesson-row-desc:empty {
  display: none;
}

/* Row meta (badges + quiz count + duration, right side) */
.lesson-row-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--iq-body-text, #888);
  opacity: 0.7;
}

.lesson-row-duration {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.lesson-row-quiz-count {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--iq-primary, #003399);
  opacity: 1;
}

/* Quiz completion status badge in meta area */
.lesson-row-quiz-status {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 1;
}

.lesson-row-quiz-status--done {
  color: #198754;
  background: rgba(25, 135, 84, 0.1);
}

.lesson-row-quiz-status--pending {
  color: var(--iq-brand-color-1, #003399);
  background: rgba(0, 51, 153, 0.07);
}

.lesson-live-icon {
  color: #dc3545;
  margin-right: 4px;
}

/* Progress bar below trigger */
.lesson-row-progress {
  height: 0;
  overflow: hidden;
}

.lesson-row-progress .progress {
  height: 3px;
  border-radius: 0;
  background: rgba(0, 0, 0, 0.06);
}

.lesson-row-progress:has(.progress) {
  height: 3px;
}

.lesson-row-progress .progress-bar {
  background: var(--iq-brand-color-1, #003399);
}

/* Chevron */
.lesson-row-chevron {
  flex-shrink: 0;
  font-size: 0.7rem;
  opacity: 0.4;
  transition: transform 0.25s ease;
}

.lesson-row-trigger[aria-expanded="true"] .lesson-row-chevron {
  transform: rotate(180deg);
}

/* Expandable content area */
.lesson-row-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.25s ease;
}

.lesson-row-content--open {
  max-height: 3000px;
  opacity: 1;
  padding: 12px 16px 16px;
}

/* Badges */
.lesson-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.lesson-badge--free {
  background: rgba(40, 167, 69, 0.12);
  color: #28a745;
}

.lesson-badge--live {
  background: rgba(220, 53, 69, 0.12);
  color: #dc3545;
}

/* Quiz section — compact inline box */
.lesson-quiz-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--iq-body-bg, #f8f9fa);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 6px;
}

.lesson-quiz-box__header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
}

.lesson-quiz-box__icon {
  color: var(--iq-brand-color-1, #003399);
  font-size: 0.85rem;
}

.lesson-quiz-box__title {
  color: var(--iq-body-text, #333);
}

.lesson-quiz-box__progress {
  color: var(--iq-body-text, #888);
  font-weight: 400;
  font-size: 0.7rem;
  opacity: 0.7;
}

.lesson-quiz-box__actions {
  flex-shrink: 0;
}

.lesson-quiz-box__btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: var(--iq-brand-color-1, #003399);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.lesson-quiz-box__btn:hover {
  opacity: 0.85;
}

.lesson-quiz-box__badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 0.68rem;
  font-weight: 500;
  border-radius: 8px;
}

.lesson-quiz-box__badge--done {
  color: #198754;
  background: rgba(25, 135, 84, 0.1);
}

.lesson-quiz-box__badge--locked {
  color: #6c757d;
  background: rgba(108, 117, 125, 0.08);
}

/* Locked/redirect message inside accordion body */
.lesson-locked-message {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
}

.lesson-locked-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.05);
  color: var(--iq-body-text, #666);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.lesson-locked-icon--live {
  background: rgba(220, 53, 69, 0.1);
  color: #dc3545;
}

.lesson-locked-text {
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  color: var(--iq-body-text, #555);
  font-weight: 400;
}

/* Locked video card with blurred thumbnail */
.lesson-locked-card {
  display: flex;
  align-items: stretch;
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

/* Ensure parent link doesn't constrain width */
.video-link {
  display: block;
  width: 100%;
  text-decoration: none;
  color: inherit;
}
.video-link:hover {
  text-decoration: none;
  color: inherit;
}
.video-link:hover .lesson-locked-card {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.lesson-locked-card__thumb {
  position: relative;
  flex-shrink: 0;
  width: 160px;
  min-height: 90px;
  overflow: hidden;
}

.lesson-locked-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(3px) brightness(0.7);
  transform: scale(1.05);
}

.lesson-locked-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lesson-locked-card__lock {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--iq-body-text, #333);
  font-size: 0.85rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.lesson-locked-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12px 16px;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.lesson-locked-card__title {
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--iq-body-text, #1d1d1f);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lesson-locked-card__desc {
  font-family: 'Poppins', sans-serif;
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--iq-body-text, #555);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

.lesson-locked-card__label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--iq-body-text, #333);
}

.lesson-locked-card__hint {
  font-family: 'Poppins', sans-serif;
  font-size: 0.68rem;
  color: var(--iq-body-text, #888);
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
}

@media (max-width: 576px) {
  .lesson-locked-card__thumb {
    width: 100px;
    min-height: 70px;
  }
  .lesson-locked-card__body {
    padding: 8px 12px;
  }
  .lesson-locked-card__lock {
    width: 30px;
    height: 30px;
    font-size: 0.75rem;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 576px) {
  .lesson-row-trigger {
    padding: 10px 12px;
    font-size: 0.82rem;
    min-height: 44px;
  }

  .lesson-row-content--open {
    padding: 8px 10px 12px;
  }

  .lesson-row-meta {
    gap: 4px;
  }
}


/* ==========================================================================
   Quiz Modal Redesign
   Modern, clean look — maintains platform color logic (--iq-primary-bg, --iq-primary-text, --iq-brand-color-1)
   ========================================================================== */

/* Modal sizing */
.modal:has(.quiz-modal) .modal-dialog {
  max-width: 520px;
}

/* Modal container */
.quiz-modal {
  background: var(--iq-body-bg, #f8f9fa);
  color: var(--iq-body-text, #1d1d1f);
  border-radius: 16px;
  border: 1px solid rgba(128, 128, 128, 0.1);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  width: 100%;
  margin: 0;
}

.quiz-modal .modal-header {
  padding: 20px 24px 8px;
  border-bottom: none;
}

.quiz-modal .modal-body {
  padding: 0 24px 24px;
}

/* Close icon */
.quiz-modal .fa-circle-xmark {
  font-size: 1.2rem;
  color: var(--iq-body-text, #999);
  opacity: 0.4;
  cursor: pointer;
  transition: opacity 0.2s;
}
.quiz-modal .fa-circle-xmark:hover {
  opacity: 0.8;
}

/* --- Question View --- */

.quiz-question-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Progress header */
.quiz-progress-header {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-step-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--iq-brand-color-1, #6366f1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.quiz-step-label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--iq-brand-color-1, #6366f1);
  flex-shrink: 0;
}

.quiz-progress-bar {
  height: 4px;
  background: rgba(128, 128, 128, 0.12);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--iq-brand-color-1, #6366f1);
  border-radius: 100px;
  transition: width 0.4s ease;
}

/* Question text */
.quiz-question-text h3 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--iq-body-text, #1d1d1f);
  margin: 0;
}

.quiz-question-img {
  max-width: 100%;
  border-radius: 10px;
  margin-top: 12px;
}

/* Answer options */
.quiz-answers-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-answer-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid rgba(128, 128, 128, 0.15);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.quiz-answer-option:hover {
  border-color: rgba(128, 128, 128, 0.3);
  background: rgba(128, 128, 128, 0.04);
}

.quiz-answer-option.selected {
  border-color: var(--iq-brand-color-1, #6366f1);
  background: color-mix(in srgb, var(--iq-brand-color-1, #6366f1) 6%, transparent);
  box-shadow: 0 0 0 1px var(--iq-brand-color-1, #6366f1);
}

.quiz-answer-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.quiz-answer-indicator {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(128, 128, 128, 0.3);
  transition: all 0.2s ease;
}

.quiz-answer-option.selected .quiz-answer-indicator {
  border-color: var(--iq-brand-color-1, #6366f1);
  background: var(--iq-brand-color-1, #6366f1);
  box-shadow: inset 0 0 0 3px var(--iq-body-bg, #f8f9fa);
}

.quiz-answer-text {
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  color: var(--iq-body-text, #333);
  line-height: 1.4;
}

.quiz-answer-img {
  max-width: 100%;
  border-radius: 8px;
  margin-top: 8px;
}

/* Answer options list - compact spacing */
.quiz-answers-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* --- Actions (shared) --- */

.quiz-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding-top: 8px;
}

.quiz-btn {
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.88rem;
  padding: 10px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-btn--primary {
  background: var(--iq-brand-color-1, #6366f1);
  color: #fff;
}
.quiz-btn--primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}
.quiz-btn--primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
  filter: none;
}

.quiz-btn--secondary {
  background: transparent;
  color: var(--iq-body-text, #666);
  border: 1px solid rgba(128, 128, 128, 0.2);
}
.quiz-btn--secondary:hover {
  background: rgba(128, 128, 128, 0.06);
}

.quiz-btn--outline {
  background: transparent;
  color: var(--iq-brand-color-1, #6366f1);
  border: 1px solid var(--iq-brand-color-1, #6366f1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.quiz-btn--outline:hover {
  background: rgba(99, 102, 241, 0.1);
}

/* --- Result View --- */

.quiz-result-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 20px 0;
}

.quiz-result-icon {
  font-size: 3rem;
  margin-bottom: 4px;
}
.quiz-result-icon--correct { color: #22c55e; }
.quiz-result-icon--wrong { color: #ef4444; }
.quiz-result-icon--success { color: #f59e0b; }
.quiz-result-icon--info { color: var(--iq-brand-color-1, #6366f1); }

.quiz-result-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--iq-body-text, #1d1d1f);
  margin: 0;
}

.quiz-result-subtitle {
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  color: var(--iq-body-text, #666);
  opacity: 0.7;
  margin: 0;
}

/* Wrong answers list */
.quiz-wrong-answers {
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-wrong-card {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.15);
  border-radius: 10px;
  padding: 14px 16px;
}

.quiz-wrong-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--iq-body-text, #888);
  opacity: 0.6;
}

.quiz-wrong-card p {
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  color: var(--iq-body-text, #333);
  margin: 2px 0 8px;
}

.quiz-explanation-cta {
  text-align: center;
  padding: 4px 0;
}

/* --- Completed View --- */

.quiz-completed-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
}

.quiz-completed-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* Error state */
.quiz-error-state {
  text-align: center;
  padding: 40px 0;
  color: var(--iq-body-text, #888);
  opacity: 0.6;
}
.quiz-error-state i {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

/* Spinner override */
.quiz-modal .spinner-border {
  color: var(--iq-brand-color-1, #6366f1);
}

/* Quiz modal backdrop - dark with blur */
.modal-backdrop {
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(0, 0, 0, 0.6) !important;
  backdrop-filter: blur(4px) !important;
  -webkit-backdrop-filter: blur(4px) !important;
}

/* Quiz modal video reference header */
.quiz-modal-video-ref {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quiz-modal-video-thumb {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.quiz-modal-video-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.quiz-modal-video-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--iq-brand-color-1, #6366f1);
}

.quiz-modal-video-title {
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--iq-body-text, #1d1d1f);
  line-height: 1.3;
}

/* Mobile */
@media (max-width: 576px) {
  .modal:has(.quiz-modal) .modal-dialog {
    max-width: 95%;
    margin: 1rem auto;
  }

  .quiz-modal .modal-body {
    padding: 0 16px 16px;
  }

  .quiz-answer-option {
    padding: 12px 12px;
  }

  .quiz-actions {
    flex-direction: column;
  }

  .quiz-btn {
    width: 100%;
    text-align: center;
  }
}


/* ==========================================================================
   Course Info Section - Modern card layout
   ========================================================================== */

/* ===== Course Info Section – Apple-style ===== */
.course-info-section {
  margin: 0;
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
}

.course-info-section--sidebar {
  /* no extra styles needed, handled by wrapper */
}

/* Sticky sidebar wrapper: stays visible while scrolling lesson list */
.course-sidebar-sticky {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-bottom: 1rem;
  transition: top 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: rgba(128, 128, 128, 0.2) transparent;
}

.course-sidebar-sticky::-webkit-scrollbar {
  width: 4px;
}

.course-sidebar-sticky::-webkit-scrollbar-thumb {
  background: rgba(128, 128, 128, 0.25);
  border-radius: 4px;
}

/* Instructor card */
.course-instructor-card {
  margin-bottom: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.course-instructor-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.course-instructor-link:hover {
  opacity: 0.8;
  text-decoration: none;
}

.course-instructor-avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(0, 0, 0, 0.06);
}

.course-instructor-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-instructor-info {
  display: flex;
  flex-direction: column;
  gap: 0px;
}

.course-instructor-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.58rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--iq-body-text, #86868b);
}

.course-instructor-name {
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--iq-body-text, #1d1d1f);
}

.course-info-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.course-info-heading {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--iq-body-text, #1d1d1f);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.course-info-heading i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--iq-brand-color-1, #003399);
  color: #fff;
  font-size: 0.6rem;
}

.course-info-text {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--iq-body-text, #424245);
}

.course-info-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.course-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
  transition: background 0.2s ease;
}

.course-meta-item:hover {
  background: rgba(0, 0, 0, 0.04);
}

.course-meta-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--iq-body-text, #86868b);
  display: flex;
  align-items: center;
  gap: 5px;
}

.course-meta-label i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.05);
  font-size: 0.5rem;
  color: var(--iq-body-text, #86868b);
}

.course-meta-value {
  font-family: 'Poppins', sans-serif;
  font-size: 0.78rem;
  color: var(--iq-body-text, #1d1d1f);
  font-weight: 400;
}

.course-meta-value a {
  color: var(--iq-brand-color-1, #003399);
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.course-meta-value a:hover {
  opacity: 0.7;
  text-decoration: none;
}

.course-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.04);
  border-radius: 20px;
  font-size: 0.8rem;
  margin-right: 6px;
  margin-bottom: 6px;
  transition: background 0.15s ease;
}

.course-tag:hover {
  background: rgba(0, 0, 0, 0.08);
}

.course-ai-notice {
  font-size: 0.7rem;
  color: var(--iq-body-text, #86868b);
  margin-top: 12px;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
}

.course-ai-notice i {
  font-size: 0.75rem;
  opacity: 0.6;
}

/* Attachments */
.course-attachments-section {
  margin: 1.5rem 0;
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.course-attachments-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.course-attachment-card {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 12px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  color: var(--iq-body-text, #424245);
  text-decoration: none;
  transition: all 0.2s ease;
}

.course-attachment-card:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--iq-brand-color-1, #003399);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.course-attachment-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--iq-brand-color-1, #003399);
  color: #fff;
  font-size: 0.65rem;
}

/* Responsive */
@media (max-width: 768px) {
  .course-sidebar-sticky {
    position: static;
  }

  .course-info-section {
    padding: 16px;
    border-radius: 12px;
  }

  .course-attachments-section {
    padding: 14px 16px;
  }

  .course-instructor-card {
    padding: 12px 16px;
    border-radius: 12px;
  }

  .course-instructor-avatar {
    width: 36px;
    height: 36px;
  }
}

/* Mobile: full-width player in accordion */
@media (max-width: 576px) {
  .lesson-row-content--open {
    padding: 6px 0 10px !important;
  }

  .lesson-row {
    border-radius: 6px;
    margin-bottom: 4px;
  }

  /* Remove col padding inside accordion body for full-width player */
  .lesson-row-content .row {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  .lesson-row-content .row > [class*="col"] {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  /* Player wrapper fills full width */
  .lesson-row-content .sw-player-wrapper {
    margin-bottom: 0.5rem;
  }
  .lesson-row-content .sw-player-container {
    border-radius: 6px;
  }

  /* Sticky bar hidden on mobile - hero is already compact */
  .course-sticky-bar {
    display: none !important;
  }
}

/* ==========================================================================
   Course Quiz Section (Pre/Post Quiz Card)
   Matches Apple-style glassmorphism design of the course page
   ========================================================================== */

.course-quiz-section {
  margin: 12px 0;
}

.course-quiz-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.course-quiz-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* Header (clickable to collapse) */
.course-quiz-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  transition: background 0.15s ease;
  user-select: none;
}

.course-quiz-card__header:hover {
  background: rgba(0, 0, 0, 0.02);
}

.course-quiz-card__title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.course-quiz-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--iq-brand-color-1, #6366f1);
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.course-quiz-card__title-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.course-quiz-card__label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--iq-body-text, #1d1d1f);
}

.course-quiz-card__badge {
  font-family: 'Poppins', sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  width: fit-content;
}

.course-quiz-card__badge--required {
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
}

.course-quiz-card__badge--cert {
  background: rgba(245, 158, 11, 0.08);
  color: #d97706;
}

.course-quiz-card__chevron {
  font-size: 0.7rem;
  color: var(--iq-body-text, #999);
  opacity: 0.5;
  transition: transform 0.25s ease;
}

.course-quiz-card__header[aria-expanded="false"] .course-quiz-card__chevron,
.course-quiz-card__header.collapsed .course-quiz-card__chevron {
  transform: rotate(-90deg);
}

/* Body */
.course-quiz-card__body {
  padding: 0 20px 20px;
}

.course-quiz-card__subtitle {
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--iq-body-text, #1d1d1f);
  margin: 0 0 6px;
}

.course-quiz-card__desc {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--iq-body-text, #555);
  margin: 0 0 16px;
}

/* Actions row */
.course-quiz-card__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.course-quiz-card__actions .quiz-btn {
  font-size: 0.72rem;
  padding: 6px 14px;
  border-radius: 5px;
  font-weight: 600;
  min-height: unset;
}

.course-quiz-card__progress {
  font-family: 'Poppins', sans-serif;
  font-size: 0.75rem;
  color: var(--iq-body-text, #888);
  opacity: 0.7;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Responsive */
@media (max-width: 576px) {
  .course-quiz-card__header {
    padding: 14px 16px;
  }

  .course-quiz-card__body {
    padding: 0 16px 16px;
  }

  .course-quiz-card__icon {
    width: 32px;
    height: 32px;
    font-size: 0.8rem;
    border-radius: 8px;
  }

  .course-quiz-card__label {
    font-size: 0.82rem;
  }

  .course-quiz-card__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ==========================================================================
   Course Quiz Card - Result Summary (completed state)
   ========================================================================== */

.course-quiz-card__result {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.course-quiz-card__result-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.course-quiz-card__result-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 1.1rem;
}

.course-quiz-card__result-icon--passed {
  color: #22c55e;
}

.course-quiz-card__result-icon--failed {
  color: #ef4444;
}

.course-quiz-card__result-status {
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
}

.course-quiz-card__result-status--passed {
  color: #22c55e;
}

.course-quiz-card__result-status--failed {
  color: #ef4444;
}

/* Stats row */
.course-quiz-card__result-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.course-quiz-card__result-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.025);
  border-radius: 10px;
  min-width: 80px;
  text-align: center;
  flex: 1;
}

.course-quiz-card__result-stat-value {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--iq-body-text, #1d1d1f);
}

.course-quiz-card__result-stat-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--iq-body-text, #888);
  opacity: 0.7;
}

@media (max-width: 576px) {
  .course-quiz-card__result-stats {
    gap: 8px;
  }

  .course-quiz-card__result-stat {
    padding: 8px 12px;
    min-width: 60px;
  }

  .course-quiz-card__result-stat-value {
    font-size: 0.9rem;
  }
}

/* ==========================================================================
   Course Quiz Card - Flat variant (no accordion)
   ========================================================================== */
.course-quiz-card--flat .course-quiz-card__header {
  cursor: default;
  padding: 10px 14px;
}

.course-quiz-card--flat .course-quiz-card__header:hover {
  background: transparent;
}

.course-quiz-card--flat .course-quiz-card__chevron {
  display: none;
}

.course-quiz-card--flat .course-quiz-card__body {
  padding: 0 14px 12px;
}

/* POST quiz — call-to-action prominence when not completed */
.course-quiz-card--post-cta {
  background: linear-gradient(135deg, rgba(0, 51, 153, 0.04) 0%, rgba(0, 51, 153, 0.01) 100%);
  border: 1px solid rgba(0, 51, 153, 0.08);
}

.course-quiz-card__attempt-info {
  font-family: 'Poppins', sans-serif;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--iq-body-text, #1d1d1f);
  opacity: 0.55;
}

/* Inline result row (completed quiz - elegant card) */
.course-quiz-card__result--inline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.04) 0%, rgba(34, 197, 94, 0.01) 100%);
  border: 1px solid rgba(34, 197, 94, 0.12);
  border-radius: 8px;
  margin-top: 4px;
}

/* Rich result with gauge */
.course-quiz-card__result-rich {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.015) 0%, rgba(0, 0, 0, 0.005) 100%);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 10px;
  margin-top: 6px;
}

/* SVG Gauge */
.course-quiz-card__gauge-wrap {
  position: relative;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
}

.course-quiz-card__gauge {
  width: 48px;
  height: 48px;
  transform: rotate(-90deg);
}

.course-quiz-card__gauge-bg {
  fill: none;
  stroke: rgba(0, 0, 0, 0.06);
  stroke-width: 3;
}

.course-quiz-card__gauge-fill {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dasharray 0.6s ease;
}

.course-quiz-card__gauge-fill--passed {
  stroke: #22c55e;
}

.course-quiz-card__gauge-fill--failed {
  stroke: #ef4444;
}

.course-quiz-card__gauge-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Poppins', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--iq-body-text, #333);
}

/* Result info */
.course-quiz-card__result-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.course-quiz-card__result-status {
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.course-quiz-card__result-status--passed {
  color: #16a34a;
}

.course-quiz-card__result-status--failed {
  color: #ef4444;
}

.course-quiz-card__result-detail {
  font-size: 0.68rem;
  color: var(--iq-body-text, #888);
}

/* Drawer CTA - prominent */
.course-quiz-card__drawer-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 8px 14px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: var(--iq-brand-color-1, #003399);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  line-height: 1.2;
  text-align: left;
  box-shadow: 0 2px 8px rgba(0, 51, 153, 0.2);
}

.course-quiz-card__drawer-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 51, 153, 0.3);
}

.course-quiz-card__drawer-cta i {
  font-size: 0.9rem;
}

.course-quiz-card__drawer-cta small {
  opacity: 0.8;
  font-weight: 400;
}

.course-quiz-card__result-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
}

.course-quiz-card__result-badge--passed {
  color: #16a34a;
  background: rgba(22, 163, 74, 0.1);
}

.course-quiz-card__result-badge--failed {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.08);
}

.course-quiz-card__result-score {
  font-family: 'Poppins', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--iq-body-text, #555);
}

.course-quiz-card__results-cta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  padding: 5px 12px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: var(--iq-brand-color-1, #003399);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.course-quiz-card__results-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

/* ==========================================================================
   Lesson Row - Completed state
   Elegant brand-colored highlight for fully completed lessons
   ========================================================================== */
.lesson-row--completed {
  background: linear-gradient(135deg, rgba(0, 51, 153, 0.035) 0%, rgba(0, 51, 153, 0.01) 100%);
  border-color: rgba(0, 51, 153, 0.14) !important;
  box-shadow: 0 1px 4px rgba(0, 51, 153, 0.06);
}

.lesson-row--completed .lesson-row-trigger {
  opacity: 0.92;
}

.lesson-row--completed .lesson-row-title {
  color: var(--iq-brand-color-1, #003399);
}

.lesson-row--completed .lesson-row-num {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--iq-brand-color-1, #003399);
  color: #fff;
  font-size: 0;
  padding-top: 1px;
}
.lesson-row--completed .lesson-row-num::before {
  content: '\2713';
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
}
/* Hide the separate check span — number IS the indicator now */
.lesson-completed-check {
  display: none !important;
}