/* Course Catalog and Course Detail Styles */

.courses-page,
.course-detail-page {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.courses-page__container,
.course-detail__container {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.courses-page__header {
  text-align: center;
  padding: var(--space-4) 0;
}

.courses-page__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.courses-page__subtitle {
  color: var(--color-text-secondary);
  margin: var(--space-2) 0 0 0;
}

.courses-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 375px) {
  .courses-section__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.course-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  min-height: 44px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-4);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.course-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.course-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.course-card__cover {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-light);
  background: linear-gradient(135deg, var(--color-ocean-deep) 0%, var(--color-sky-bright) 100%);
}

.course-card--premium .course-card__cover {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-ocean-deep) 100%);
}

.course-card__body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.course-card__category {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.course-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.course-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card__progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.course-card__progress-bar {
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  overflow: hidden;
}

.course-card__progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.course-card__progress-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.course-card__cta {
  align-self: flex-start;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.course-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

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

.course-badge--locked {
  background: var(--color-badge-premium-bg);
  color: var(--color-accent);
}

.course-badge--preview {
  background: var(--color-badge-preview-bg);
  color: var(--color-ocean-deep);
}

.course-badge--coming-soon {
  background: var(--color-badge-neutral-bg);
  color: var(--color-text-secondary);
}

.course-badge--unavailable {
  background: var(--color-badge-danger-bg);
  color: var(--color-error);
}

/* Course Detail */

.course-detail__hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--radius-4);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.course-detail__cover {
  height: 120px;
  border-radius: var(--radius-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-light);
  background: linear-gradient(135deg, var(--color-ocean-deep) 0%, var(--color-sky-bright) 100%);
}

.course-detail__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: var(--space-2) 0 0 0;
}

.course-detail__category,
.course-detail__level {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: var(--space-1) 0;
}

.course-detail__description {
  color: var(--color-text-primary);
  margin: var(--space-2) 0 0 0;
}

.course-detail__section {
  background: var(--color-bg-primary);
  border-radius: var(--radius-4);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.course-detail__section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.course-detail__section-subtitle {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: var(--space-2) 0 0 0;
}

.course-detail__feature-list {
  margin: 0;
  padding-left: var(--space-6);
  color: var(--color-text-secondary);
}

.course-detail__cta {
  align-self: flex-start;
}

.course-detail__back {
  align-self: flex-start;
}

.course-detail__not-found {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.access-blocked {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}