#knowledgeResults {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 35px;
  padding-bottom: 16px;
}

.knowledge-item {
  background-color: rgb(var(--card));
  color: rgb(var(--card-foreground));
  border-radius: var(--radius);
  border: 1px solid rgb(var(--border));
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  position: relative;
  overflow: hidden;
}

.knowledge-item:hover {
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  border-color: rgb(var(--primary) / 0.3);
  transform: translateY(-1px);
}

.knowledge-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, rgb(var(--primary)), rgb(var(--accent)));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.knowledge-item:hover::before {
  opacity: 1;
}

.knowledge-item-image {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: calc(var(--radius) - 2px);
  background-color: rgb(var(--muted));
  padding: 10px;
  border: 1px solid rgb(var(--border));
  flex-shrink: 0;
  transition: transform 0.2s ease;
  margin-bottom: 8px;
}

.knowledge-item:hover .knowledge-item-image {
  transform: scale(1.05);
}

.knowledge-item-content {
  flex: 1;
  min-width: 0;
}

.knowledge-item-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: rgb(var(--foreground));
  margin: 0 0 12px 0;
  line-height: 1.3;
  text-align: center;
  width: 100%;
}

.knowledge-item-description {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgb(var(--muted-foreground));
  margin: 0 0 20px 0;
  text-align: center;
  width: 100%;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.knowledge-item-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: auto;
  width: 100%;
}

.knowledge-item-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background-color: rgb(var(--secondary));
  color: rgb(var(--secondary-foreground));
  text-decoration: none;
  border-radius: calc(var(--radius) - 2px);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid rgb(var(--border));
  white-space: nowrap;
}

.knowledge-item-link:hover {
  background-color: rgb(var(--primary));
  color: rgb(var(--primary-foreground));
  border-color: rgb(var(--primary));
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgb(var(--primary) / 0.2);
}

.knowledge-item-link:active {
  transform: translateY(0);
}

.error-message {
  color: rgb(var(--destructive));
  font-weight: 600;
  text-align: center;
  padding: 24px;
  background-color: rgb(var(--destructive) / 0.1);
  border: 1px solid rgb(var(--destructive) / 0.2);
  border-radius: var(--radius);
  margin: 16px;
}

.no-results {
  text-align: center;
  color: rgb(var(--muted-foreground));
  font-size: 1rem;
  padding: 48px 24px;
  background-color: rgb(var(--muted) / 0.3);
  border-radius: var(--radius);
  border: 1px dashed rgb(var(--border));
  margin: 16px;
}

/* Mobile optimizations */
@media (max-width: 768px) {
  #knowledgeResults {
    padding: 12px;
    gap: 12px;
  }

  .knowledge-item {
    padding: 16px;
    gap: 14px;
  }

  .knowledge-item-image {
    width: 64px;
    height: 64px;
    margin-bottom: 4px;
  }

  .knowledge-item-title {
    font-size: 1.25rem;
  }

  .knowledge-item-description {
    font-size: 0.875rem;
    margin-bottom: 16px;
  }

  .knowledge-item-link {
    font-size: 0.75rem;
    padding: 8px 12px;
  }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
  #knowledgeResults {
    max-width: 700px;
    padding: 20px;
  }

  .knowledge-item {
    padding: 18px;
  }
}

/* Large desktop */
@media (min-width: 1200px) {
  #knowledgeResults {
    max-width: 900px;
  }

  .knowledge-item {
    padding: 24px;
    gap: 24px;
  }

  .knowledge-item-image {
    width: 72px;
    height: 72px;
  }

  .knowledge-item-title {
    font-size: 1.375rem;
  }

  .knowledge-item-description {
    font-size: 0.9375rem;
  }
}



/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  .knowledge-item,
  .knowledge-item-image,
  .knowledge-item-link {
    transition: none;
  }
}

/* Focus styles for keyboard navigation */
.knowledge-item-link:focus-visible {
  outline: 2px solid rgb(var(--ring));
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .knowledge-item {
    border-width: 2px;
  }

  .knowledge-item-link {
    border-width: 2px;
  }
}