.sidebar {
  background-color: #fff;
  border-right: 1px solid #e8e8e8;
}

.header {
  padding: 16px;
  border-bottom: 1px solid #e8e8e8;
  background-color: #fff;
}

.title {
  margin: 0;
  color: #1f2937;
}

.headerButtons {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.collapseButton {
  flex: 1;
  background-color: #f3f4f6;
  border: none;
  color: #6b7280;
}

.addButton {
  flex: 1;
}

.navigation {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  height: calc(100vh - 200px);
}

.menuSection {
  margin-bottom: 16px;
}

.menuItem {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  color: #374151;
  transition: background-color 0.2s;
  background-color: transparent;
}

.menuItem:hover {
  background-color: #f3f4f6;
}

.menuItemActive {
  background-color: #e6f4ff;
  color: #1890ff;
}

.menuItemActive:hover {
  background-color: #e6f4ff;
}

.menuIcon {
  margin-right: 12px;
  font-size: 16px;
}

.sectionHeader {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  color: #6b7280;
  font-size: 14px;
  font-weight: 600;
}

.categoryList {
  margin-left: 16px;
}

.footer {
  padding: 16px;
  border-top: 1px solid #e8e8e8;
  background-color: #fff;
}

.userInfo {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: #6b7280;
  cursor: pointer;
}

.userAvatar {
  margin-right: 8px;
}

/* 折叠状态样式 */
.collapsedSidebar {
  width: 64px;
  position: relative;
}

.collapsedHeader {
  padding: 16px 0;
  display: flex;
  justify-content: center;
  border-bottom: 1px solid #e8e8e8;
}

.collapsedNavigation {
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.collapsedFooter {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  border-top: 1px solid #e8e8e8;
  display: flex;
  justify-content: center;
}