/* category-nav.css */
.category-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 60px;
  z-index: 90;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.category-nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.category-list {
  display: flex;
  gap: 1rem;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.category-item {
  flex-shrink: 0;
}

.category-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  white-space: nowrap;
}

.category-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--category-color, var(--color-accent));
  background: var(--color-surface);
}

.category-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.category-name {
  font-weight: 500;
}

.category-count {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  padding: 2px 8px;
  border-radius: 999px;
  min-width: 24px;
  text-align: center;
}

/* 激活状态 */
.category-link.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.category-link.active .category-count {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* 响应式 */
@media (max-width: 1024px) {
  .category-nav-container {
    padding: 0 1rem;
  }
  
  .category-list {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .category-list::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 768px) {
  .category-nav {
    padding: 0.75rem 0;
    top: 50px;
  }
  
  .category-link {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
  }
  
  .category-icon {
    font-size: 1rem;
  }
}