.course-carousel {
  --course-gap: 1.25rem;
  max-width: 1320px;
  margin: 1.5rem auto 1rem;
}

.course-carousel__track {
  display: flex;
  gap: var(--course-gap);
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 0.25rem 0.15rem 1rem;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-color: color-mix(in srgb, var(--bs-primary) 55%, transparent) transparent;
  scrollbar-width: thin;
}

.course-carousel__track:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--bs-primary) 60%, transparent);
  outline-offset: 4px;
}

.course-card {
  background: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.8rem;
  box-shadow: 0 0.3rem 1.1rem rgb(0 0 0 / 8%);
  display: flex;
  flex: 0 0 calc((100% - 2 * var(--course-gap)) / 3);
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  scroll-snap-align: start;
}

.course-card__image {
  aspect-ratio: 16 / 9;
  background: var(--bs-secondary-bg);
  display: block;
  object-fit: cover;
  width: 100%;
}

.course-card__body { display: flex; flex: 1; flex-direction: column; padding: 1.15rem; }
.course-card__title { font-size: 1.2rem; font-weight: 700; line-height: 1.3; margin: 0 0 0.65rem; }
.course-card__description {
  display: -webkit-box;
  line-height: 1.5;
  margin: 0 0 1rem;
  min-height: 4.5em;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.course-card__metadata { align-items: center; display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: auto; }
.course-card__status { border-radius: 999px; font-size: 0.75rem; font-weight: 650; padding: 0.2rem 0.55rem; }
.course-card__status--in-progress { background: #d9f2e5; color: #146c43; }
.course-card__status--grading { background: #fff0c2; color: #755500; }
.course-card__status--upcoming { background: #dcecff; color: #174f86; }
.course-card__status--completed { background: var(--bs-secondary-bg); color: var(--bs-secondary-color); }
.course-card__actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }
.course-card__action { border: 1px solid var(--bs-primary); border-radius: 0.4rem; font-size: 0.86rem; font-weight: 600; padding: 0.48rem 0.65rem; text-decoration: none; }
.course-card__action--primary { background: var(--bs-primary); color: #fff; }
.course-card__action--primary:hover { color: #fff; filter: brightness(0.9); }
.course-card__action--secondary { color: var(--bs-primary); }
.course-carousel__navigation { align-items: center; display: flex; gap: 0.75rem; justify-content: flex-end; }
.course-carousel__hint { color: var(--bs-secondary-color); font-size: 0.85rem; margin-right: auto; }
.course-carousel__button { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color); border-radius: 50%; color: var(--bs-body-color); height: 2.5rem; width: 2.5rem; }
.course-carousel__button:not(:disabled):hover { border-color: var(--bs-primary); color: var(--bs-primary); }
.course-carousel__button:disabled { cursor: not-allowed; opacity: 0.35; }

@media (max-width: 991.98px) { .course-card { flex-basis: calc((100% - var(--course-gap)) / 2); } }
@media (max-width: 575.98px) { .course-card { flex-basis: 100%; } .course-carousel__hint { max-width: 65%; } }
@media (prefers-reduced-motion: reduce) { .course-carousel__track { scroll-behavior: auto; } }