:root{--sidebar-header-height:40px;--sidebar-search-box-height:40px}.sidebar-header{height:var(--sidebar-header-height)}.sidebar-search-box{height:var(--sidebar-search-box-height)}.sidebar-item-list{height:calc(100vh - var(--titlebar-height) - var(--sidebar-search-box-height) - var(--sidebar-header-height))}