/* Shared */
.rating-badge {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.pagination__link {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-primary);
  font-weight: 600;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--color-text-muted);
}

.empty-state .btn {
  margin-top: 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge--locked {
  background: var(--color-accent-tint-1);
  color: var(--color-accent-dark);
}

.badge--preview {
  background: var(--color-success-bg);
  color: var(--color-success-dark);
}

.badge--discount {
  background: var(--color-accent-tint-1);
  color: var(--color-accent-dark);
}

.badge--success {
  background: var(--color-success-bg);
  color: var(--color-success-dark);
}

.course-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

/* List page */
.course-list-page__subtitle {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.course-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow 0.15s ease;
}

.course-card:hover {
  box-shadow: 0 12px 24px rgba(30, 7, 64, 0.1);
}

.course-card__cover-wrap {
  position: relative;
}

.course-card__cover {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.course-card__free-badge {
  position: absolute;
  top: 0.75rem;
  inset-inline-start: 0.75rem;
  background: var(--color-success);
  color: #fff;
}

.course-card__cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
}

.course-card__body {
  padding: 1.25rem;
}

.course-card__category {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0 0 0.25rem;
}

.course-card__body h3 {
  margin: 0 0 0.35rem;
}

.course-card__instructor {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
}

.course-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.course-card__price {
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0;
}

.course-card__price-original {
  font-weight: 400;
  color: var(--color-text-muted);
  text-decoration: line-through;
  margin-inline-start: 0.5rem;
}

/* Detail page */
.course-detail__breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.course-detail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 2.5rem;
}

.course-detail__title {
  margin: 0 0 1rem;
}

.course-detail__author-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.course-detail__author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: inherit;
}

.course-detail__author img {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  object-fit: cover;
}

.course-detail__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.course-progress {
  margin-bottom: 1.25rem;
}

.course-progress__bar {
  height: 8px;
  border-radius: 999px;
  background: var(--color-bg-lavender-1);
  overflow: hidden;
}

.course-progress__bar span {
  display: block;
  height: 100%;
  background: var(--color-success);
}

.course-progress__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0.35rem 0 0;
}

.course-detail__cover img {
  width: 100%;
  border-radius: 14px;
  margin-bottom: 1.5rem;
  display: block;
}

.course-detail__video {
  position: relative;
  padding-top: 56.25%;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: #000;
}

.course-detail__video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.course-tabs {
  display: flex;
  gap: 2rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.course-tabs__tab {
  background: none;
  border: none;
  font-family: var(--font-family-base);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding-bottom: 0.85rem;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}

.course-tabs__tab.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.course-tab-panel {
  display: none;
}

.course-tab-panel.is-active {
  display: block;
}

.course-detail__description {
  line-height: 1.9;
}

.learn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.learn-grid__item {
  display: flex;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.learn-grid__item span {
  color: var(--color-success);
}

.course-detail__empty-note {
  color: var(--color-text-muted);
}

.course-includes {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.course-includes li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.course-includes__icon {
  flex-shrink: 0;
}

.course-detail__requirements {
  margin: 0 0 1.5rem;
  padding-inline-start: 1.25rem;
  font-size: 0.9rem;
  line-height: 1.9;
}

.instructor-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  margin-bottom: 1.5rem;
  color: inherit;
}

.instructor-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  object-fit: cover;
  flex-shrink: 0;
}

.instructor-card__avatar--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
}

.instructor-card__body h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.instructor-card__headline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 0.35rem;
}

.instructor-card__stats {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

.course-detail__related {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.curriculum-module {
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.curriculum-module[open] {
  padding-bottom: 0.5rem;
}

.curriculum-module__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  padding: 0.75rem 0;
  cursor: pointer;
  list-style: none;
}

.curriculum-module__header::-webkit-details-marker {
  display: none;
}

.curriculum-module__header::after {
  content: "▾";
  margin-inline-start: auto;
  color: var(--color-text-muted);
  transition: transform 0.15s ease;
}

.curriculum-module[open] .curriculum-module__header::after {
  transform: rotate(180deg);
}

.curriculum-lesson {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-bg-lavender-1);
  font-size: 0.9rem;
}

.curriculum-lesson.is-current {
  font-weight: 700;
  color: var(--color-primary);
}

.curriculum-lesson__title {
  font-weight: 600;
}

.curriculum-lesson__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.review-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.review-item__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

/* Sidebar / price box */
.price-box {
  position: sticky;
  top: 88px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.5rem;
  background: #fff;
}

.price-box__amount {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.price-box__current {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-accent-dark);
}

.price-box__original {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.price-box__meta {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0.9rem 1rem;
  background: var(--color-bg-lavender-1);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.price-box__meta li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.price-box__cta {
  display: block;
  width: 100%;
  text-align: center;
  margin-bottom: 1.25rem;
}

.price-box__features {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.price-box__features div {
  display: flex;
  gap: 0.5rem;
}

.price-box__features span {
  color: var(--color-success);
}

.price-box__note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

.price-box__access-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0 0 0.75rem;
  text-align: center;
}

.price-box__access-note--expired {
  color: var(--color-error);
  font-weight: 600;
}

/* Lesson page */
.lesson-page__grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 2.5rem;
}

.lesson-page__sidebar h2 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.lesson-page__video {
  position: relative;
  padding-top: 56.25%;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: #000;
}

.lesson-page__video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.lesson-page__content {
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.lesson-page__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lesson-quiz-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.lesson-quiz {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.lesson-quiz__title {
  font-size: 1rem;
  margin: 0;
}

.lesson-quiz__question {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 0;
}

.lesson-quiz__question legend {
  font-weight: 700;
  padding: 0 0.4rem;
}

.lesson-quiz__choice {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .course-detail__grid,
  .lesson-page__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .price-box {
    position: static;
  }
}

@media (max-width: 640px) {
  .learn-grid {
    grid-template-columns: 1fr;
  }

  .instructor-card {
    flex-direction: column;
    text-align: center;
  }

  .course-detail__meta-row {
    gap: 0.4rem 1rem;
    font-size: 0.8rem;
  }
}