/* One navigation palette for the system and timetable sidebars.
   Existing open, collapsed, theme and permission states are preserved. */
body .layout-wrapper { --tkb-sidebar-width: 256px; --tkb-sidebar-collapsed-width: 76px; }
.layout-wrapper .sidebar {
    --sidebar-bg: #fff;
    --sidebar-border: #dce7e2;
    --sidebar-divider: #dce7e2;
    --sidebar-hover: #f3f8f5;
    --text-main: #203d37;
    --text-muted: #60756e;
    --sidebar-icon: #477167;
    --sidebar-active: #e5f3ec;
    --sidebar-active-rail: #087f73;
    --nav-icon-bg: #edf5f0;
    --nav-focus: #087f7360;
    background: var(--sidebar-bg);
    color: var(--text-main);
    border-right: 1px solid var(--sidebar-border);
    box-shadow: none;
    padding: 18px 12px 14px;
    font-family: 'Be Vietnam Pro', 'Inter', system-ui, sans-serif;
    gap: 4px;
    scrollbar-width: thin;
    scrollbar-color: #bdcec4 transparent;
    transition: width .2s ease, transform .2s ease;
}
    .layout-wrapper .sidebar.sidebar-light {
        --sidebar-bg: #fff;
        --text-main: #001f13;
        --text-muted: #fff;
        --sidebar-icon: #477167;
        --sidebar-active: #1c7d4a;
        --sidebar-active-rail: #087f73;
        --sidebar-border: #dce7e2;
        --sidebar-divider: #dce7e2;
        --sidebar-hover: #5f9cfb;
    }
.layout-wrapper .sidebar.sidebar-dark {
    --sidebar-bg: #142923;
    --text-main: #e2efe8;
    --text-muted: #adc4b8;
    --sidebar-icon: #a4cbb9;
    --sidebar-active: #23483c;
    --sidebar-active-rail: #66d1ad;
    --sidebar-border: #2b4338;
    --sidebar-divider: #2b4338;
    --sidebar-hover: #1e382e;
    --nav-icon-bg: #203d32;
    --nav-focus: #66d1ad88;
}
.tkb-sidebar-brand { display: flex; align-items: center; gap: 11px; min-height: 52px; padding: 0 8px 14px; border-bottom: 1px solid var(--sidebar-divider); margin-bottom: 10px; }
.tkb-sidebar-brand__icon { display: grid; place-items: center; flex: 0 0 36px; width: 36px; height: 36px; border-radius: 10px; background: #087f73; color: #fff; font-size: 19px; }
.tkb-sidebar-brand__text { display: grid; gap: 2px; min-width: 0; }
.tkb-sidebar-brand__text strong { color: var(--text-main); font-size: 15px; letter-spacing: -.3px; }
.tkb-sidebar-brand__text span { color: var(--text-muted); font-size: 12px; }
.layout-wrapper .sidebar .tkb-sidebar-tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 10px; }
.layout-wrapper .sidebar :is(.collapse-btn, .theme-toggle-btn) { display: flex; justify-content: center; gap: 6px; min-width: 0; min-height: 38px; padding: 7px; margin: 0; background: var(--sidebar-bg); border: 1px solid var(--sidebar-border); border-radius: 8px; color: var(--text-muted); box-shadow: none; backdrop-filter: none; transform: none; transition: background-color .15s; }
.layout-wrapper .sidebar :is(.collapse-btn__icon-wrap, .theme-toggle-btn__icon-wrap) { width: 20px; min-width: 20px; height: 20px; border-radius: 0; background: transparent; color: var(--sidebar-icon); box-shadow: none; }
.layout-wrapper .sidebar :is(.collapse-btn__title, .theme-toggle-btn__copy) { font-size: 11px; line-height: 1.4; font-weight: 500; color: var(--text-main); white-space: nowrap; }
.layout-wrapper .sidebar :is(.collapse-btn, .theme-toggle-btn):hover { background: var(--sidebar-hover); transform: none; }
.layout-wrapper .sidebar .sidebar-section-title { padding: 7px 10px; color: var(--text-muted); font-size: 11px; font-weight: 600; letter-spacing: .05em; }
.layout-wrapper .sidebar :is(.modern-btn, .dropdown-title) { min-height: 44px; padding: 8px 10px; border-radius: 8px; color: var(--text-main); background: transparent; box-shadow: none; transform: none; font-size: 13px; line-height: 1.45; font-weight: 500; transition: background-color .15s, color .15s; }
.layout-wrapper .sidebar .dropdown-title { font-weight: 600; }
.layout-wrapper .sidebar .menu-left { min-width: 0; gap: 10px; }
.layout-wrapper .sidebar .menu-left > span { font-size: 13px; font-weight: inherit; line-height: 1.5; white-space: normal; }
.layout-wrapper .sidebar .icon-box { display: grid; place-items: center; width: 30px; min-width: 30px; height: 30px; border: 0; border-radius: 8px; color: var(--sidebar-icon); background: var(--nav-icon-bg); box-shadow: none; transform: none; font-size: 15px; }
.layout-wrapper .sidebar :is(.modern-btn, .dropdown-title):hover { color: var(--text-main); background: var(--sidebar-hover); box-shadow: none; transform: none; }
.layout-wrapper .sidebar .modern-btn.active { color: var(--text-main) !important; background: var(--sidebar-active); font-weight: 600; box-shadow: none; }
.layout-wrapper .sidebar .modern-btn.active .icon-box { color: #fff; background: #087f73; }
.layout-wrapper .sidebar .modern-btn.active span { color: var(--text-main); font-weight: 600; }
.layout-wrapper .sidebar .modern-btn.active::before { left: 0; top: 10px; bottom: 10px; width: 3px; border-radius: 3px; background: var(--sidebar-active-rail); }
.layout-wrapper .sidebar .dropdown-title:has(+ .dropdown-content.show) { background: var(--sidebar-hover); }
.layout-wrapper .sidebar .dropdown-content { margin-left: 22px; padding-left: 8px; border-left: 1px solid var(--sidebar-divider); }
.layout-wrapper .sidebar .dropdown-content .modern-btn { min-height: 40px; padding: 7px 8px; }
.layout-wrapper .sidebar .dropdown-content .modern-btn span { font-size: 12px; color: var(--text-muted); }
.layout-wrapper .sidebar .dropdown-content .modern-btn.active span { color: var(--text-main); }
.layout-wrapper .sidebar .dropdown-content .icon-box { width: 25px; min-width: 25px; height: 25px; font-size: 13px; background: transparent; }
.layout-wrapper .sidebar .dropdown-content .modern-btn.active .icon-box { color: var(--sidebar-active-rail); }
.layout-wrapper .sidebar .sidebar-utility-detail { background: var(--sidebar-hover); border: 1px solid var(--sidebar-border); box-shadow: none; border-radius: 8px; }
.layout-wrapper .sidebar :is(button, a):focus-visible { outline: 3px solid var(--nav-focus); outline-offset: -2px; }
.layout-wrapper .sidebar.collapsed .tkb-sidebar-brand { justify-content: center; padding-inline: 0; }
.layout-wrapper .sidebar.collapsed .tkb-sidebar-brand__text { display: none; }
.layout-wrapper .sidebar.collapsed .tkb-sidebar-tools { grid-template-columns: minmax(0, 1fr); }
.layout-wrapper .sidebar.collapsed .dropdown-content { padding-left: 0; margin-left: 0; border-left: 0; }
.layout-wrapper .sidebar.collapsed .menu-left { justify-content: center; }
.layout-wrapper .sidebar.collapsed .icon-box { width: 32px; min-width: 32px; height: 32px; }
/* System sidebar: share the same palette without changing page-level themes. */
.app-shell .snav {
    --snav-w: 256px;
    --snav-cw: 76px;
    --snav-bg: #fff;
    --snav-panel: #f5f8f6;
    --snav-border: #dce7e2;
    --snav-text: #203d37;
    --snav-muted: #4f685f;
    --snav-faint: #60756e;
    --snav-hover: #f0f7f3;
    --snav-active-bg: #e5f3ec;
    --snav-active-fg: #086a5d;
    --snav-accent: #087f73;
    --snav-focus: #087f7360;
    --snav-footer-bg: #f5f8f6;
    --snav-user-bg: #fff;
    box-shadow: none;
}
body.dark .app-shell .snav, .app-shell .snav.snav--dark {
    --snav-bg: #142923;
    --snav-panel: #1b332a;
    --snav-border: #2b4338;
    --snav-text: #e2efe8;
    --snav-muted: #c0d5c8;
    --snav-faint: #adc4b8;
    --snav-hover: #1e382e;
    --snav-active-bg: #23483c;
    --snav-active-fg: #85dfbe;
    --snav-accent: #66d1ad;
    --snav-focus: #66d1ad88;
    --snav-footer-bg: #142923;
    --snav-user-bg: #1b332a;
}
.app-shell .snav .snav__brand { padding: 18px 14px; gap: 10px; min-height: 80px; }
.app-shell .snav :is(.snav__brand-icon, .snav__avatar) { background: #087f73; box-shadow: none; border: 0; }
.app-shell .snav .snav__brand-icon { width: 36px; height: 36px; border-radius: 10px; }
.app-shell .snav .snav__appname { font-size: 13px; line-height: 1.5; }
.app-shell .snav .snav__eyebrow { font-size: 11px; line-height: 1.4; }
.app-shell .snav .snav__body { padding: 12px; }
.app-shell .snav :is(.snav__link, .snav__action-link, .snav__theme-toggle, .snav__group-title) { min-height: 44px; padding: 8px 10px; font-size: 13px; font-weight: 500; line-height: 1.5; border-radius: 8px; box-shadow: none; transform: none; color: var(--snav-muted); }
.app-shell .snav .snav__group-title { color: var(--snav-text); font-weight: 600; }
.app-shell .snav .snav__group-content { margin-left: 24px; padding-left: 8px; border-color: var(--snav-border); }
.app-shell .snav .snav__group-content .snav__link { min-height: 40px; padding: 7px 8px; font-size: 12px; gap: 9px; }
.app-shell .snav .snav__icon { --ic: var(--snav-accent); width: 30px; height: 30px; min-width: 30px; border-radius: 8px; background: var(--snav-hover); color: var(--snav-accent); box-shadow: none; transform: none; }
.app-shell .snav .snav__group-content .snav__icon { width: 25px; height: 25px; min-width: 25px; background: transparent; font-size: 13px; }
.app-shell .snav .snav__link.active { color: var(--snav-active-fg); background: var(--snav-active-bg); font-weight: 600; }
.app-shell .snav .snav__link.active::before { left: 0; width: 3px; border-radius: 3px; }
.app-shell .snav .snav__link.active .snav__icon { color: var(--snav-active-fg); background: transparent; }
.app-shell .snav .snav__group-title.snav__group-title--open { background: var(--snav-hover); }
.app-shell .snav .snav__footer { padding: 10px 12px; border-top: 1px solid var(--snav-border); background: var(--snav-footer-bg); }
.app-shell .snav .snav__user { padding: 10px; border: 1px solid var(--snav-border); border-radius: 10px; background: var(--snav-user-bg); box-shadow: none; }
.app-shell .snav .snav__avatar { width: 34px; height: 34px; font-size: 14px; }
.app-shell .snav .snav__action-link--logout { color: #b73540; }
.app-shell .snav .snav__action-link--logout .snav__icon { color: inherit; background: transparent; }
body.dark .app-shell .snav .snav__action-link--logout { color: #f3a9ae; }
.app-shell .snav :is(.snav__collapse-btn, .snav__close) { border: 1px solid var(--snav-border); border-radius: 8px; background: var(--snav-bg); color: var(--snav-muted); box-shadow: none; }
.app-shell .snav.snav--collapsed .snav__brand { padding: 18px 10px; justify-content: center; }
.app-shell .snav.snav--collapsed .snav__group-content { margin-left: 0; padding-left: 0; border-left: 0; }
.layout-wrapper .modern-hamburger, .app-shell .snav__hamburger { width: 44px; height: 44px; border-radius: 10px; background: #087f73; border: 1px solid #087f73; box-shadow: 0 3px 12px #173d3b18; backdrop-filter: none; }
.layout-wrapper .modern-hamburger::before { display: none; }
.layout-wrapper .modern-hamburger span { width: 20px; height: 2px; background: #fff; box-shadow: none; }
.layout-wrapper .sidebar-overlay, .app-shell .snav__overlay { background: #10291e66; backdrop-filter: none; }
@media (min-width: 769px) {
    .layout-wrapper .sidebar-overlay { display: none; }
}
@media (max-width: 768px) {
    .layout-wrapper .sidebar, .layout-wrapper .sidebar.collapsed { width: min(86vw, 300px); padding: 16px 12px; height: 100dvh; }
    .layout-wrapper .sidebar .tkb-sidebar-brand { padding: 0 50px 14px 6px; min-height: 58px; justify-content: flex-start; }
    .layout-wrapper .sidebar.collapsed .tkb-sidebar-brand__text { display: grid; }
    .layout-wrapper .sidebar.collapsed .tkb-sidebar-tools { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .layout-wrapper .sidebar.collapsed :is(.collapse-btn__copy, .theme-toggle-btn__copy) { display: block; }
    .layout-wrapper .sidebar.collapsed .menu-left { justify-content: flex-start; }
    .layout-wrapper .sidebar.collapsed .modern-btn span,
    .layout-wrapper .sidebar.collapsed .dropdown-title span,
    .layout-wrapper .sidebar.collapsed .sidebar-section-title { display: block; }
    .layout-wrapper .sidebar.collapsed .dropdown-content { margin-left: 22px; padding-left: 8px; border-left: 1px solid var(--sidebar-divider); }
    .layout-wrapper .sidebar.collapsed :is(.modern-btn, .dropdown-title) { justify-content: space-between; padding: 8px 10px; }
    .layout-wrapper .sidebar.collapsed .menu-tooltip { display: none !important; }
    .layout-wrapper .sidebar .collapse-btn { margin-top: 0; }
    .layout-wrapper .modern-hamburger { top: 14px; left: 14px; transition: background-color .15s; }
    .layout-wrapper:has(.sidebar.open) .modern-hamburger { left: calc(min(86vw, 300px) - 58px); background: #edf5f0; border-color: #dce7e2; box-shadow: none; }
    .layout-wrapper:has(.sidebar.open) .modern-hamburger span { background: #087f73; }
    .layout-wrapper:has(.sidebar.open) .modern-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .layout-wrapper:has(.sidebar.open) .modern-hamburger span:nth-child(2) { opacity: 0; }
    .layout-wrapper:has(.sidebar.open) .modern-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 767.98px) {
    .app-shell .snav, .app-shell .snav.snav--collapsed { width: min(86vw, 300px); height: 100dvh; min-height: 0; }
    .app-shell .snav.snav--open ~ .snav__hamburger { visibility: hidden; pointer-events: none; }
    .app-shell .snav.snav--collapsed .snav__brand { justify-content: flex-start; padding: 18px 14px; }
    .app-shell .snav.snav--collapsed .snav__group-content { margin-left: 24px; padding-left: 8px; border-left: 1px solid var(--snav-border); }
}
@media (prefers-reduced-motion: reduce) {
    .layout-wrapper .sidebar, .layout-wrapper .sidebar *, .app-shell .snav, .app-shell .snav * { transition: none; }
}
.app-shell .snav .snav__collapse-btn { right: 8px; box-shadow: none; }
.app-shell .snav .snav__brand-text { padding-right: 20px; }
.app-shell .snav .snav__group:has(.snav__link.active) > .snav__group-title { color: var(--snav-active-fg); }
.layout-wrapper .sidebar .dropdown-menu-block:has(.modern-btn.active) > .dropdown-title { color: var(--sidebar-active-rail); }
@media (min-width: 768px) {
    .app-shell .snav.snav--collapsed .snav__brand { flex-direction: column; gap: 10px; }
    .app-shell .snav.snav--collapsed .snav__collapse-btn { position: static; transform: none; }
}
.layout-wrapper .sidebar .dropdown-content .modern-btn.active .icon-box { background: transparent; color: var(--sidebar-active-rail); }

@media (min-width: 768px) {
    .app-shell .snav.snav--collapsed .snav__brand-text { display: none; }
    .app-shell .snav.snav--collapsed .snav__brand { min-height: 116px; }
}
@media (max-width: 767.98px) {
    .app-shell .snav.snav--collapsed .snav__brand-text { display: block; }
}
/* Keep the scheduling palette on every route that uses this navigation.
   Dedicated tokens prevent page styles from changing the menu after navigation. */
.layout-wrapper:has(#tkb-navigation) {
    --tkb-nav-surface: #ffffff;
    --tkb-nav-border: #cfdad5;
    --tkb-nav-text: #243b36;
    --tkb-nav-muted: #60736d;
    --tkb-nav-accent: #087f73;
    --tkb-nav-hover: #edf5f2;
    --tkb-nav-active: #dcefe9;
    --tkb-nav-icon-bg: #edf5f2;
    --tkb-nav-focus: #087f7360;
}
.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .modern-btn.active::before {
    background: #d97706;
}
.layout-wrapper #tkb-navigation.sidebar.sidebar-light {
    background: radial-gradient(ellipse 280px 340px at top left, #14b8a620, transparent 75%), var(--tkb-nav-surface);
}
.layout-wrapper:has(#tkb-navigation.sidebar-dark) {
    --tkb-nav-surface: #111a27;
    --tkb-nav-border: rgba(148, 163, 184, .18);
    --tkb-nav-text: #dce6f3;
    --tkb-nav-muted: #a8b5c6;
    --tkb-nav-accent: #8aa6d9;
    --tkb-nav-hover: rgba(138, 166, 217, .16);
    --tkb-nav-active: rgba(138, 166, 217, .20);
    --tkb-nav-icon-bg: rgba(148, 163, 184, .10);
    --tkb-nav-focus: rgba(138, 166, 217, .54);
}
.layout-wrapper:has(#tkb-navigation) #tkb-navigation.sidebar {
    --sidebar-bg: var(--tkb-nav-surface);
    --sidebar-border: var(--tkb-nav-border);
    --sidebar-divider: var(--tkb-nav-border);
    --sidebar-hover: var(--tkb-nav-hover);
    --text-main: var(--tkb-nav-text);
    --text-muted: var(--tkb-nav-muted);
    --sidebar-icon: var(--tkb-nav-accent);
    --sidebar-active: var(--tkb-nav-active);
    --sidebar-active-rail: var(--tkb-nav-accent);
    --nav-icon-bg: var(--tkb-nav-icon-bg);
    --nav-focus: var(--tkb-nav-focus);
    scrollbar-color: var(--tkb-nav-focus) transparent;
}
.layout-wrapper:has(#tkb-navigation) #tkb-navigation .tkb-sidebar-brand__icon,
.layout-wrapper:has(#tkb-navigation) #tkb-navigation .modern-btn.active .icon-box {
    background: var(--tkb-nav-accent);
    color: var(--tkb-nav-surface);
}
.layout-wrapper:has(#tkb-navigation) #tkb-navigation .dropdown-content .modern-btn.active .icon-box {
    background: transparent;
    color: var(--sidebar-active-rail);
}

.layout-wrapper:has(#tkb-navigation) #tkb-navigation .modern-btn.active,
.layout-wrapper:has(#tkb-navigation) #tkb-navigation .modern-btn.active:hover {
    background: #0f766e;
    color: #fff !important;
}

.layout-wrapper:has(#tkb-navigation) #tkb-navigation .modern-btn.active span {
    color: #fff;
}

.layout-wrapper:has(#tkb-navigation) #tkb-navigation .modern-btn.active .icon-box,
.layout-wrapper:has(#tkb-navigation) #tkb-navigation .dropdown-content .modern-btn.active .icon-box {
    background: rgba(255, 255, 255, .8);
    color: #0f766e;
}
.layout-wrapper:has(#tkb-navigation) .modern-hamburger {
    background: var(--tkb-nav-surface);
    border-color: var(--tkb-nav-border);
}
.layout-wrapper:has(#tkb-navigation) .modern-hamburger span {
    background: var(--tkb-nav-accent);
}
.layout-wrapper:has(#tkb-navigation) .sidebar-overlay {
    background: rgba(12, 19, 32, .4);
}
/* Home dashboard and its navigation inherit the same light/dark palette. */
.app-shell:has(.dashboard-home) #siteNav.snav {
    --snav-bg: var(--home-surface);
    --snav-panel: var(--home-surface-alt);
    --snav-border: var(--home-border);
    --snav-text: var(--home-ink);
    --snav-muted: var(--home-text);
    --snav-faint: var(--home-muted);
    --snav-hover: var(--home-primary-soft);
    --snav-active-bg: var(--home-primary-soft);
    --snav-active-fg: var(--navy-700);
    --snav-accent: var(--navy-500);
    --snav-focus: var(--home-border);
    --snav-footer-bg: var(--home-surface-alt);
    --snav-user-bg: var(--home-surface);
}
.app-shell:has(.dashboard-home) .snav :is(.snav__brand-icon, .snav__avatar) {
    background: var(--snav-accent);
}
.app-shell:has(.dashboard-home) .snav .snav__icon {
    filter: none;
}
.app-shell:has(.dashboard-home) .snav :is(.snav__collapse-btn, .snav__close) {
    color: var(--snav-muted);
    background: var(--snav-panel);
    border-color: var(--snav-border);
}
.app-shell:has(.dashboard-home) .snav :is(.snav__collapse-btn, .snav__close):hover {
    color: var(--snav-active-fg);
    background: var(--snav-hover);
}
.app-shell:has(.dashboard-home) .snav__hamburger {
    background: var(--navy-500);
    border-color: var(--home-border);
}
/* Closed groups must also stay out of keyboard navigation. */
.layout-wrapper .sidebar .dropdown-content:not(.show),
.app-shell .snav .snav__group-content:not(.show) { visibility: hidden; }
.layout-wrapper .sidebar .dropdown-content.show,
.app-shell .snav .snav__group-content.show { visibility: visible; }

/* Timetable light theme: flat neutral surfaces with a single blue accent.
   Scope every override to sidebar-light so the current dark theme is preserved. */
.layout-wrapper:has(#tkb-navigation.sidebar-light) {
    --tkb-nav-surface: #ffffff;
    --tkb-nav-border: #e2e8f0;
    --tkb-nav-text: #111111;
    --tkb-nav-muted: #111111;
    --tkb-nav-accent: #2563eb;
    --tkb-nav-hover: #eaf2ff;
    --tkb-nav-active: #2563eb;
    --tkb-nav-icon-bg: #f1f5f9;
    --tkb-nav-focus: #93b4f5;
}

.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation.sidebar {
    background: var(--tkb-nav-surface);
    --sidebar-icon: #111111;
}

.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .modern-btn.active,
.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .modern-btn.active:hover {
    background: var(--tkb-nav-active);
    color: #ffffff !important;
}

.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .modern-btn.active span {
    color: #ffffff;
}

.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .modern-btn.active::before {
    background: #ffffff;
}

.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .modern-btn.active .icon-box,
.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .dropdown-content .modern-btn.active .icon-box {
    background: transparent;
    color: #ffffff;
}

.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .dropdown-menu-block:has(.modern-btn.active) > .dropdown-title {
    color: var(--tkb-nav-text);
}

.layout-wrapper:has(#tkb-navigation.sidebar-light) #tkb-navigation .email-dropdown .dropdown-title.email-open {
    background: var(--tkb-nav-hover);
    box-shadow: none;
}

/* Main navigation light theme, matching the timetable sidebar.
   Existing body.dark and snav--dark states retain their current styles. */
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) {
    --snav-bg: #ffffff;
    --snav-panel: #f8fafc;
    --snav-border: #e2e8f0;
    --snav-text: #111111;
    --snav-muted: #111111;
    --snav-faint: #111111;
    --snav-hover: #eaf2ff;
    --snav-active-bg: #2563eb;
    --snav-active-fg: #ffffff;
    --snav-accent: #2563eb;
    --snav-focus: #93b4f5;
    --snav-footer-bg: #f8fafc;
    --snav-user-bg: #ffffff;
    background: var(--snav-bg);
    color: var(--snav-text);
    border-color: var(--snav-border);
    box-shadow: none;
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) :is(.snav__appname, .snav__eyebrow, .snav__section-label, .snav__uname, .snav__urole,
    .snav__link, .snav__group-title, .snav__action-link, .snav__theme-toggle) {
    color: var(--snav-text);
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) :is(.snav__brand-icon, .snav__avatar) {
    background: var(--snav-accent);
    color: #ffffff;
    box-shadow: none;
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__icon {
    background: #f1f5f9;
    color: var(--snav-text);
    box-shadow: none;
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__group-content { border-color: var(--snav-border); }
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__group-content .snav__icon { background: transparent; }
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) :is(.snav__link, .snav__group-title, .snav__action-link, .snav__theme-toggle):hover,
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__group-title--open {
    background: var(--snav-hover);
    color: var(--snav-text);
    box-shadow: none;
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__link.active,
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__link.active:hover {
    background: var(--snav-active-bg);
    color: #ffffff;
    box-shadow: none;
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__link.active span { color: #ffffff; }
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__link.active .snav__icon {
    color: #ffffff;
    background: transparent;
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__link.active::before { background: #ffffff; }
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__group:has(.snav__link.active) > .snav__group-title { color: var(--snav-text); }
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__footer {
    background: var(--snav-footer-bg);
    border-color: var(--snav-border);
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) .snav__user {
    background: var(--snav-user-bg);
    border-color: var(--snav-border);
    box-shadow: none;
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) :is(.snav__collapse-btn, .snav__close) {
    background: var(--snav-bg);
    color: var(--snav-text);
    border-color: var(--snav-border);
    box-shadow: none;
}
body:not(.dark) .app-shell #siteNav.snav:not(.snav--dark) :is(.snav__collapse-btn, .snav__close):hover {
    background: var(--snav-hover);
    color: var(--snav-text);
}
body:not(.dark) .app-shell:has(#siteNav:not(.snav--dark)) .snav__hamburger {
    background: #2563eb;
    border-color: #2563eb;
    color: #ffffff;
    box-shadow: none;
}

/* Main menu: the active background is sufficient to mark the selected item. */
.app-shell #siteNav.snav .snav__link.active::before {
    content: none;
    display: none;
}