/* Sidebar polish; keep the existing menu hierarchy and shell behavior. */
.main-sidebar .brand-link img { display: block; width: 100%; min-width: 0; height: auto; object-fit: contain; }
.main-sidebar .sidebar { padding: 16px 12px 20px; }
.main-sidebar .menu-search-row { padding: 0 0 14px; }
.main-sidebar .search-box input { height: 36px; padding-right: 32px; border-radius: 6px; font-size: 12px; background: #f7f9fc; border-color: #e4e9f0; }
body .main-sidebar .search-box input::placeholder { color: #7c8a9f; opacity: 1; }
.main-sidebar .search-box:focus-within input { border-color: #90afe3; box-shadow: 0 0 0 2px #edf3fc; }
.main-sidebar .search-box .s-icon { font-size: 12px; }
.main-sidebar .search-box .clear-btn { width: 28px; height: 28px; padding: 0; font-size: 18px; color: #66758b; }
.main-sidebar .search-box .clear-btn[hidden] { display: none; }
.main-sidebar .nav-sidebar .nav-item { margin-bottom: 3px; transition: none; }
.main-sidebar .nav-sidebar .nav-link { min-height: 40px; padding: 9px 10px; gap: 10px; border-radius: 6px; font-size: 13px; line-height: 20px; color: #526279; transition: background-color 150ms ease, color 150ms ease; }
.main-sidebar .nav-sidebar .nav-link:hover { background: #f1f4f8; color: #263b58; transform: none; }
.main-sidebar .department-toggle p { font-weight: 500; }
.main-sidebar .nav-sidebar .nav-icon { width: 18px; min-width: 18px; font-size: 14px; transform: none; }
.main-sidebar .department-toggle .right { font-size: 11px; color: #8995a6; }
.main-sidebar .nav-sidebar .department-toggle.active { background: transparent !important; color: #244c85 !important; }
.main-sidebar .nav-sidebar .department-toggle.active:hover { background: #f1f4f8 !important; }
.main-sidebar .nav-link.active::before { content: none; animation: none; }
.main-sidebar .department-submenu { margin: 2px 0 8px 19px; padding: 0 0 0 10px !important; border-left: 1px solid #e1e7ef; transition: opacity 150ms ease; }
.main-sidebar .department-submenu.collapsed { margin-top: 0; margin-bottom: 0; visibility: hidden; }
.main-sidebar .department-submenu li { margin-bottom: 2px; }
.main-sidebar .department-submenu .nav-link { min-height: 36px; padding: 8px 10px; font-size: 12px; line-height: 20px; }
.main-sidebar .department-submenu .nav-bullet { display: none; }
.main-sidebar .nav-sidebar .nav-link.active-sub { background: #edf3fd !important; color: #1756a9 !important; font-weight: 600; }
.main-sidebar .nav-link:focus-visible, .main-sidebar .clear-btn:focus-visible { outline: 2px solid #3975ca; outline-offset: -2px; }
.main-sidebar .menu-search-empty { margin: 4px 10px; font-size: 12px; line-height: 1.6; color: #66758b; }
body.sidebar-collapse .main-sidebar:hover .department-toggle p { display: flex !important; }
body.sidebar-collapse .main-sidebar:hover .department-toggle .right { display: inline-block; }
@media (prefers-reduced-motion: reduce) {
    .main-sidebar, .main-sidebar .nav-sidebar .nav-link, .main-sidebar .department-submenu, .main-sidebar .department-toggle .right { transition: none; }
}