/* 계층형 카테고리 네비게이션 스타일 */
.category-nav {
  width: 100%;
  margin-bottom: 15px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.category-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.category-path .path-item {
  font-size: 14px;
  color: var(--category);
  cursor: pointer;
  font-weight: 500;
  margin-right: 2px;
}

.category-path .path-item:hover {
  text-decoration: underline;
}

.category-path .path-separator {
  margin: 0 6px;
  color: var(--muted);
  font-size: 12px;
}

.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.category-item {
  padding: 8px 12px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  transition: all 0.2s ease;
  -webkit-user-select: none;
  user-select: none;
}

.category-item:hover {
  background: var(--input-bg);
  border-color: var(--category);
}

.category-item:active {
  transform: scale(0.98);
}

.category-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

/* 현재 카테고리 경로 표시 스타일 */
.current-path {
  font-weight: bold;
  color: var(--category);
}

/* 로딩 상태 스타일 */
.category-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--category);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

/* 에러 상태 스타일 */
.category-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
}

.error-icon {
  font-size: 24px;
  margin-bottom: 8px;
}

.error-text {
  font-size: 14px;
  color: var(--error);
  margin-bottom: 12px;
  line-height: 1.4;
}

.retry-btn {
  padding: 8px 16px;
  background: var(--category);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.retry-btn:hover {
  background: var(--category-hover);
  transform: translateY(-1px);
}

.retry-btn:active {
  transform: translateY(0);
}

/* 반응형 스타일 */
@media (max-width: 768px) {
  .category-path {
    padding-bottom: 6px;
    margin-bottom: 8px;
  }
  
  .category-path .path-item {
    font-size: 13px;
  }
  
  .category-path .path-separator {
    margin: 0 4px;
    font-size: 11px;
  }
  
  .category-list {
    gap: 8px;
  }
  
  .category-item {
    padding: 6px 10px;
    font-size: 12px;
  }
  
  .category-loading,
  .category-error {
    padding: 15px;
  }
  
  .loading-spinner {
    width: 20px;
    height: 20px;
  }
  
  .loading-text,
  .error-text {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .category-list {
    gap: 6px;
  }
  
  .category-item {
    padding: 5px 8px;
    font-size: 11px;
  }
  
  .category-loading,
  .category-error {
    padding: 12px;
  }
  
  .loading-spinner {
    width: 18px;
    height: 18px;
  }
  
  .loading-text,
  .error-text {
    font-size: 12px;
  }
  
  .retry-btn {
    padding: 6px 12px;
    font-size: 12px;
  }
}