.knowledge-catalog {
  min-height: 100vh;
  color: #17233e;
  background: linear-gradient(145deg, #eaf2ff 0%, #f2efff 32%, #f6f8fc 65%);
}

.knowledge-catalog__container {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
}

.knowledge-catalog .knowledge-learning-user-bar {
  position: relative;
  z-index: auto;
  min-height: 3rem;
  padding: 0.75rem 3.5rem 0.75rem 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}

.knowledge-catalog .knowledge-learning-user-details {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

.knowledge-catalog .knowledge-learning-user-field:first-child {
  width: auto;
}

.knowledge-catalog__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0.25rem 1rem;
}

.knowledge-catalog__heading h1 {
  margin: 0;
  color: #17233e;
  font-size: 1.625rem;
  font-weight: 750;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.knowledge-catalog__heading p {
  margin: 0.4rem 0 0;
  color: #64718b;
  font-size: 0.8125rem;
}

.knowledge-catalog__count {
  flex-shrink: 0;
  padding: 0.375rem 0.625rem;
  border: 1px solid rgba(101, 116, 182, 0.12);
  border-radius: 0.625rem;
  color: #617095;
  background: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
}

.knowledge-catalog__categories {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  margin-bottom: 1rem;
  padding: 0.125rem 0.125rem 0.375rem;
  scrollbar-width: thin;
}

.knowledge-catalog__category {
  display: inline-flex;
  min-height: 2.75rem;
  flex: 0 0 auto;
  align-items: center;
  padding: 0.625rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}

.knowledge-catalog__category.is-active {
  border-color: #cdd9fb;
  background: #fff;
  box-shadow: 0 2px 6px rgba(66, 86, 141, 0.04);
}

.knowledge-catalog__category:focus-visible,
.knowledge-course-card:focus-within {
  outline: 2px solid #2563eb;
  outline-offset: 3px;
}

.knowledge-catalog__courses {
  display: grid;
  gap: 0.875rem;
}

.knowledge-course-card {
  position: relative;
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0.375rem 1rem;
  min-width: 0;
  padding: 0.875rem;
  border: 1px solid #e4e9f3;
  border-radius: 1.125rem;
  background: #fff;
  box-shadow: 0 4px 14px rgba(41, 61, 108, 0.035);
}

.knowledge-course-card__cover {
  display: flex;
  grid-row: span 2;
  width: 5.5rem;
  min-height: 6.5rem;
  align-self: stretch;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 0.75rem;
  background: #fff;
}

.knowledge-course-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.knowledge-course-card__placeholder {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  color: #7385c2;
  background: #f0f3fc;
}

.knowledge-course-card__placeholder svg {
  width: 2rem;
  height: 2rem;
}

.knowledge-course-card__body {
  min-width: 0;
  flex: 1;
}

.knowledge-course-card__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.knowledge-course-card__link {
  text-decoration: none;
}

.knowledge-course-card__link::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 1.125rem;
  content: "";
}

.knowledge-course-card__summary {
  display: -webkit-box;
  overflow: hidden;
  margin: 0.5rem 0 0;
  color: #637089;
  font-size: 0.8125rem;
  line-height: 1.7;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.knowledge-course-card__badges {
  display: flex;
  margin-top: 0.5rem;
}

.knowledge-course-card__badge {
  padding: 0.125rem 0.5rem;
  border-radius: 0.375rem;
  color: #926016;
  background: #fff5df;
  font-size: 0.6875rem;
  font-weight: 600;
}

.knowledge-course-card__badge.is-completed,
.knowledge-course-card__badge.is-unlocked {
  color: #4e57a9;
  background: #eef0ff;
}

.knowledge-course-card__footer {
  display: flex;
  grid-column: 2;
  min-height: 2rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.knowledge-course-card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  padding: 0.25rem 0;
  color: #69768c;
  font-size: 0.6875rem;
}

.knowledge-course-card__action {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.25rem;
  color: var(--app-link, #1d4ed8);
  font-size: 0.8125rem;
  font-weight: 600;
}

.knowledge-course-card__action svg {
  width: 1rem;
  height: 1rem;
}

.knowledge-catalog__empty {
  padding: 3rem 1rem;
  border: 1px dashed #ccd6ea;
  border-radius: 1.125rem;
  color: #64718b;
  background: rgba(255, 255, 255, 0.72);
  text-align: center;
}

.knowledge-catalog__empty svg {
  width: 2rem;
  height: 2rem;
  margin: 0 auto 1rem;
  color: #7385c2;
}

.knowledge-catalog__empty h2 {
  margin: 0;
  color: #34425f;
  font-size: 1rem;
}

.knowledge-catalog__empty p {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
}

@media (max-width: 359px) {
  .knowledge-catalog__container {
    padding-right: 0.75rem;
    padding-left: 0.75rem;
  }

  .knowledge-catalog .knowledge-learning-user-details {
    flex-wrap: wrap;
    gap: 0.25rem 0.75rem;
  }

  .knowledge-catalog .knowledge-learning-user-field:first-child {
    flex-basis: 100%;
  }

  .knowledge-course-card {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: 0.75rem;
  }

  .knowledge-course-card__cover {
    width: 4.5rem;
    min-height: 5.5rem;
  }
}