/* ==================== RESPONSIVE SIDEBAR ==================== */
.responsive-sidebar {
    width: var(--mud-drawer-width-left, 260px);
    background: var(--mud-palette-drawer-background);
    color: var(--mud-palette-drawer-text);
    border-right: none;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: calc(var(--mud-zindex-appbar, 1100) + 1);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* Subtle right border below the header only */
.responsive-sidebar::after {
    content: '';
    position: absolute;
    top: var(--mud-appbar-height, 68px);
    right: 0;
    bottom: 0;
    width: 1px;
    background: var(--mud-palette-lines-default);
    z-index: 2;
}

/* Desktop collapsed = mini: just narrow the width, content stays laid out normally and gets clipped by overflow:hidden */
.responsive-sidebar.collapsed {
    width: var(--mud-drawer-width-mini-left, 72px);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0s;
}

/* Desktop collapsed: expand on hover as overlay WITH DELAY */
.responsive-sidebar.collapsed:hover {
    width: var(--mud-drawer-width-left, 260px);
    box-shadow: 4px 0 20px rgba(0,0,0,0.08);
    transition-delay: 0.3s;
}

/* Block hover expansion right after clicking collapse — with smooth collapse transition */
.responsive-sidebar.no-hover:hover {
    width: var(--mud-drawer-width-mini-left, 72px) !important;
    box-shadow: none !important;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    transition-delay: 0s !important;
}

/* ---- Sidebar Header ---- */
.responsive-sidebar .sidebar-header {
    padding: 0 16px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
    display: flex;
    align-items: center;
    gap: 12px;
    height: var(--mud-appbar-height, 68px);
    min-height: var(--mud-appbar-height, 68px);
    width: var(--mud-drawer-width-left, 260px);
    flex-shrink: 0;
    background: var(--mud-palette-appbar-background);
    color: var(--mud-palette-appbar-text);
    box-shadow: var(--mud-elevation-1, 0 2px 4px -1px rgba(6, 24, 44, 0.2));
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    transition: padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.responsive-sidebar .logo {
    width: 42px;
    height: 42px;
    min-width: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.responsive-sidebar .logo .mud-icon-root,
.responsive-sidebar .logo svg {
    width: 42px !important;
    height: 42px !important;
}

.responsive-sidebar .brand-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: inherit;
    white-space: nowrap;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease 0.15s, visibility 0.2s ease 0.15s;
}

/* Collapsed: fade out brand name, fade in on hover */
.responsive-sidebar.collapsed .sidebar-header {
    padding-left: calc((var(--mud-drawer-width-mini-left, 72px) - 42px) / 2);
    transition: padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.responsive-sidebar.collapsed:hover .sidebar-header {
    padding-left: 16px;
    transition: padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}

.responsive-sidebar.no-hover:hover .sidebar-header {
    padding-left: calc((var(--mud-drawer-width-mini-left, 72px) - 42px) / 2) !important;
    transition: all 0.2s ease !important;
}

.responsive-sidebar.collapsed .brand-name {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.responsive-sidebar.collapsed:hover .brand-name {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease 0.25s, visibility 0.2s ease 0.25s;
}

.responsive-sidebar.no-hover:hover .brand-name {
    opacity: 0 !important;
    visibility: hidden !important;
    transition: all 0.2s ease !important;
}

/* Toggle button (chevron) - visible only on desktop expanded */
.responsive-sidebar .sidebar-toggle {
    margin-left: auto;
    color: inherit;
}

.responsive-sidebar.collapsed .sidebar-toggle {
    display: none;
}

/* Close button - visible only on mobile */
.responsive-sidebar .sidebar-close {
    margin-left: auto;
    display: none;
    color: inherit;
}

/* ---- Sidebar Navigation ---- */
.responsive-sidebar .sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 12px;
    width: var(--mud-drawer-width-left, 260px);
}

/* Prevent nav items from wrapping when sidebar is narrow (mini mode) */
.responsive-sidebar .mud-nav-link {
    white-space: nowrap;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-radius 0.3s ease;
}

.responsive-sidebar .mud-nav-link-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease 0.15s, visibility 0.2s ease 0.15s;
}

.responsive-sidebar .mud-nav-link .mud-nav-link-expand-icon {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease 0.15s, visibility 0.2s ease 0.15s;
}

.responsive-sidebar .nav-section-title {
    text-transform: uppercase;
    font-weight: 600;
    opacity: 0.6;
    letter-spacing: 0.5px;
    font-size: 0.625rem;
    padding: 8px 12px 4px;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity 0.2s ease, max-height 0.3s ease, padding 0.3s ease, margin 0.3s ease;
}

/* Collapsed: reduce divider margins and fit width to visible mini area */
.responsive-sidebar.collapsed .mud-divider {
    margin-top: 4px !important;
    margin-bottom: 4px !important;
    width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
    transition: margin 0.15s ease, width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.responsive-sidebar.collapsed:hover .mud-divider {
    margin-top: 8px !important;
    margin-bottom: 8px !important;
    width: calc(var(--mud-drawer-width-left, 260px) - 24px) !important;
    transition: margin 0.3s ease 0.25s, width 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}

.responsive-sidebar.no-hover:hover .mud-divider {
    margin-top: 4px !important;
    margin-bottom: 4px !important;
    width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
    transition: all 0.2s ease !important;
}

/* Collapsed: highlight group header when a child is active */
.responsive-sidebar.collapsed .mud-nav-group:has(.mud-nav-link.active) > .mud-nav-link {
    background: rgba(var(--mud-palette-primary-rgb), 0.08) !important;
    font-weight: 500;
    transition: background 0.3s ease;
}

.responsive-sidebar.collapsed:hover .mud-nav-group:has(.mud-nav-link.active) > .mud-nav-link {
    background: transparent !important;
    font-weight: normal;
    transition: background 0s;
}

.responsive-sidebar.no-hover:hover .mud-nav-group:has(.mud-nav-link.active) > .mud-nav-link {
    background: rgba(var(--mud-palette-primary-rgb), 0.08) !important;
    font-weight: 500;
    transition: all 0.2s ease !important;
}

/* Collapsed: fit nav links to visible mini area */
.responsive-sidebar.collapsed .mud-nav-link {
    width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
    border-radius: var(--kashi-radius-sm, 12px) !important;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-radius 0.3s ease;
}

.responsive-sidebar.collapsed:hover .mud-nav-link {
    width: calc(var(--mud-drawer-width-left, 260px) - 24px) !important;
    border-radius: var(--kashi-radius-xs, 8px) !important;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.3s, border-radius 0.3s ease 0.3s;
}

.responsive-sidebar.no-hover:hover .mud-nav-link {
    width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
    transition: all 0.2s ease !important;
}

/* Collapsed: fade out text and arrows — fade in on hover with delay */
.responsive-sidebar.collapsed .mud-nav-link-text,
.responsive-sidebar.collapsed .mud-nav-link .mud-nav-link-expand-icon {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

/* Collapsed: section titles and dividers collapse height + fade out */
.responsive-sidebar.collapsed .nav-section-title {
    display: none !important;
    overflow: hidden !important;
    transition: opacity 0.15s ease, visibility 0.15s ease, height 0.15s ease, max-height 0.15s ease, padding 0.15s ease, margin 0.15s ease;
}


.responsive-sidebar.collapsed:hover .mud-nav-link-text,
.responsive-sidebar.collapsed:hover .mud-nav-link .mud-nav-link-expand-icon {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease 0.25s, visibility 0.2s ease 0.25s;
}

/* Collapsed hover: section titles and dividers expand + fade in */
.responsive-sidebar.collapsed:hover .nav-section-title {
    display: block !important;
    animation: sectionTitleFadeIn 0.2s ease 0.25s both;
    overflow: hidden !important;
    transition: opacity 0.2s ease 0.25s, visibility 0.2s ease 0.25s, height 0.3s ease 0.25s, max-height 0.3s ease 0.25s, padding 0.3s ease 0.25s, margin 0.3s ease 0.25s;
}


.responsive-sidebar.no-hover:hover .mud-nav-link-text,
.responsive-sidebar.no-hover:hover .mud-nav-link .mud-nav-link-expand-icon {
    opacity: 0 !important;
    visibility: hidden !important;
    transition: all 0.2s ease !important;
}

.responsive-sidebar.no-hover:hover .nav-section-title {
    display: none !important;
    transition: all 0.2s ease !important;
}


/* Collapsed: hide expanded nav group sub-items, fade in on hover */
.responsive-sidebar.collapsed .mud-nav-group .mud-collapse-container {
    height: 0 !important;
    overflow: hidden !important;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.responsive-sidebar.collapsed:hover .mud-nav-group .mud-collapse-container {
    height: auto !important;
    overflow: hidden !important;
    animation: navGroupExpand 0.3s ease 0.25s both;
}

.responsive-sidebar.no-hover:hover .mud-nav-group .mud-collapse-container {
    height: 0 !important;
    overflow: hidden !important;
    opacity: 0 !important;
    transition: all 0.2s ease !important;
}

/* ---- Navigation styling (all states) ---- */
.responsive-sidebar .mud-nav-group.nav-group-responsive .mud-nav-link {
    border-radius: var(--kashi-radius-xs, 8px);
    margin: 2px 0;
}

.responsive-sidebar .mud-nav-group.nav-group-responsive .mud-nav-link:hover {
    background: rgba(var(--mud-palette-primary-rgb), 0.04);
}

.responsive-sidebar .mud-nav-link.active {
    background: rgba(var(--mud-palette-primary-rgb), 0.08) !important;
    font-weight: 500;
}

.responsive-sidebar .mud-nav-group {
    margin-bottom: 0.25rem;
}

.responsive-sidebar .mud-nav-link .mud-icon-root {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.responsive-sidebar .mud-nav-link-icon {
    color: var(--mud-palette-drawer-icon);
}

/* ---- Sidebar Footer ---- */
.responsive-sidebar .sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--mud-palette-lines-default);
    flex-shrink: 0;
    width: var(--mud-drawer-width-left, 260px);
}

.responsive-sidebar .user-menu-wrapper {
    width: 100%;
}

.responsive-sidebar .user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--kashi-radius-sm, 12px);
    cursor: pointer;
    transition: background var(--kashi-transition, 0.2s ease), padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.responsive-sidebar .user-profile:hover {
    background: var(--mud-palette-action-default-hover);
}

.responsive-sidebar .user-avatar {
    flex-shrink: 0;
}

.responsive-sidebar .user-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease 0.15s, visibility 0.2s ease 0.15s;
}

/* Collapsed: constrain user-profile to mini area, grow on hover */
.responsive-sidebar.collapsed .user-profile {
    width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
    padding-left: calc((var(--mud-drawer-width-mini-left, 72px) - 24px - 40px) / 2);
    border-radius: var(--kashi-radius-sm, 12px);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.responsive-sidebar.collapsed:hover .user-profile {
    width: calc(var(--mud-drawer-width-left, 260px) - 24px) !important;
    padding-left: 12px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.3s, padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}

.responsive-sidebar.no-hover:hover .user-profile {
    width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
    padding-left: calc((var(--mud-drawer-width-mini-left, 72px) - 24px - 40px) / 2) !important;
    transition: all 0.2s ease !important;
}

.responsive-sidebar.collapsed .user-info,
.responsive-sidebar.collapsed .expand-icon {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.responsive-sidebar.collapsed:hover .user-info,
.responsive-sidebar.collapsed:hover .expand-icon {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease 0.25s, visibility 0.2s ease 0.25s;
}

.responsive-sidebar.no-hover:hover .user-info,
.responsive-sidebar.no-hover:hover .expand-icon {
    opacity: 0 !important;
    visibility: hidden !important;
    transition: all 0.2s ease !important;
}

.responsive-sidebar .user-name {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--mud-palette-text-primary);
}

.responsive-sidebar .user-role {
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.responsive-sidebar .expand-icon {
    color: var(--mud-palette-text-secondary);
    flex-shrink: 0;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease 0.15s, visibility 0.2s ease 0.15s;
}

/* Collapsed: expand-icon stays laid out, clipped by overflow:hidden */

/* Collapsed: user-profile stays laid out normally, clipped by overflow:hidden */

/* Expanding via button click: animate section titles in */
.responsive-sidebar.expanding .nav-section-title {
    animation: sectionTitleFadeIn 0.2s ease 0.15s both;
}

/* ---- Touch devices: disable hover expansion on collapsed sidebar ---- */
/* On touch (iPad landscape etc.), :hover triggers on tap causing layout shift
   and wrong click targets. Force the mini state so hover doesn't expand. */
@media (hover: none) {
    .responsive-sidebar.collapsed:hover,
    .responsive-sidebar.no-hover:hover {
        width: var(--mud-drawer-width-mini-left, 72px) !important;
        box-shadow: none !important;
        transition-delay: 0s !important;
    }
    .responsive-sidebar.collapsed:hover .sidebar-header {
        padding-left: calc((var(--mud-drawer-width-mini-left, 72px) - 42px) / 2) !important;
    }
    .responsive-sidebar.collapsed:hover .brand-name,
    .responsive-sidebar.collapsed:hover .mud-nav-link-text,
    .responsive-sidebar.collapsed:hover .mud-nav-link .mud-nav-link-expand-icon,
    .responsive-sidebar.collapsed:hover .user-info,
    .responsive-sidebar.collapsed:hover .expand-icon {
        opacity: 0 !important;
        visibility: hidden !important;
    }
    .responsive-sidebar.collapsed:hover .nav-section-title {
        display: none !important;
    }
    .responsive-sidebar.collapsed:hover .mud-nav-link {
        width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
        border-radius: var(--kashi-radius-sm, 12px) !important;
    }
    .responsive-sidebar.collapsed:hover .mud-divider {
        margin-top: 4px !important;
        margin-bottom: 4px !important;
        width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
    }
    .responsive-sidebar.collapsed:hover .mud-nav-group .mud-collapse-container {
        height: 0 !important;
        overflow: hidden !important;
        opacity: 0 !important;
    }
    .responsive-sidebar.collapsed:hover .mud-nav-group:has(.mud-nav-link.active) > .mud-nav-link {
        background: rgba(var(--mud-palette-primary-rgb), 0.08) !important;
        font-weight: 500;
    }
    .responsive-sidebar.collapsed:hover .user-profile {
        width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
        padding-left: calc((var(--mud-drawer-width-mini-left, 72px) - 24px - 40px) / 2) !important;
    }
}

@keyframes navGroupExpand {
    from {
        max-height: 0;
        opacity: 0;
    }
    to {
        max-height: 500px;
        opacity: 1;
    }
}

@keyframes sectionTitleFadeIn {
    from {
        opacity: 0;
        max-height: 0;
        padding-top: 0;
        padding-bottom: 0;
        margin: 0;
        overflow: hidden;
    }
    to {
        opacity: 0.6;
        max-height: 30px;
        padding-top: 8px;
        padding-bottom: 4px;
        overflow: hidden;
    }
}

/* ---- Backdrop (mobile only) ---- */
.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.sidebar-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

/* Hide backdrop: hover tablets/desktop use mini+hover or full sidebar, not overlay.
   Touch tablets (769-1024, hover:none) keep backdrop for mobile-open overlay.
   Desktop+ (>1024px) never uses overlay regardless of input type. */
@media (min-width: 769px) and (hover: hover), (min-width: 1025px) {
    .sidebar-backdrop {
        display: none !important;
    }
}

/* ==================== RESPONSIVE APPBAR ==================== */
/*
 * MudBlazor's .mud-appbar-fixed-top sets: position:fixed; top:0; right:0; left:0
 * We must override left and right+width with !important to position the appbar
 * next to the sidebar.
 */
.responsive-appbar.mud-appbar-fixed-top {
    left: var(--mud-drawer-width-left, 260px) !important;
    right: 0 !important;
    width: auto !important;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.responsive-appbar.mud-appbar-fixed-top.sidebar-collapsed {
    left: var(--mud-drawer-width-mini-left, 72px) !important;
}

/* Desktop hamburger: only visible when sidebar is collapsed */
.appbar-hamburger-desktop {
    display: none !important;
}

.responsive-appbar.sidebar-collapsed .appbar-hamburger-desktop {
    display: flex !important;
}

/* Mobile hamburger: hidden on desktop */
.appbar-hamburger-mobile {
    display: none !important;
}

/* Mobile logo: hidden on desktop */
.appbar-logo-mobile {
    display: none;
    flex-shrink: 0;
}

/* ==================== RESPONSIVE MAIN CONTENT ==================== */
.responsive-main-content {
    margin-left: var(--mud-drawer-width-left, 260px) !important;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.responsive-main-content.sidebar-collapsed {
    margin-left: var(--mud-drawer-width-mini-left, 72px) !important;
}

/* ==================== TABLET WITH HOVER (769px-1024px, mouse/trackpad) ==================== */
@media (min-width: 769px) and (max-width: 1024px) and (hover: hover) {
    /* Tablet with pointer: always mini — same visual treatment as desktop .collapsed */
    .responsive-sidebar {
        width: var(--mud-drawer-width-mini-left, 72px);
        transition: width 0.25s ease;
        transition-delay: 0s;
    }

    .responsive-sidebar .sidebar-toggle { display: none !important; }

    /* Header: center logo, hide brand */
    .responsive-sidebar .sidebar-header {
        padding-left: calc((var(--mud-drawer-width-mini-left, 72px) - 42px) / 2);
    }
    .responsive-sidebar .brand-name {
        opacity: 0;
        visibility: hidden;
    }

    /* Nav: hide text, arrows, section titles */
    .responsive-sidebar .mud-nav-link-text,
    .responsive-sidebar .mud-nav-link .mud-nav-link-expand-icon {
        opacity: 0;
        visibility: hidden;
    }
    .responsive-sidebar .nav-section-title {
        display: none !important;
    }

    /* Nav: constrain link width */
    .responsive-sidebar .mud-nav-link {
        width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
        border-radius: var(--kashi-radius-sm, 12px) !important;
    }

    /* Dividers: fit to mini */
    .responsive-sidebar .mud-divider {
        margin-top: 4px !important;
        margin-bottom: 4px !important;
        width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
    }

    /* Nav groups: collapse sub-items */
    .responsive-sidebar .mud-nav-group .mud-collapse-container {
        height: 0 !important;
        overflow: hidden !important;
        opacity: 0;
    }

    /* Group highlight when child is active */
    .responsive-sidebar .mud-nav-group:has(.mud-nav-link.active) > .mud-nav-link {
        background: rgba(var(--mud-palette-primary-rgb), 0.08) !important;
        font-weight: 500;
    }

    /* User profile: constrain and center avatar */
    .responsive-sidebar .user-profile {
        width: calc(var(--mud-drawer-width-mini-left, 72px) - 24px) !important;
        padding-left: calc((var(--mud-drawer-width-mini-left, 72px) - 24px - 40px) / 2);
    }
    .responsive-sidebar .user-info,
    .responsive-sidebar .expand-icon {
        opacity: 0;
        visibility: hidden;
    }

    /* ---- Hover: expand and restore everything ---- */
    .responsive-sidebar:hover {
        width: var(--mud-drawer-width-left, 260px);
        box-shadow: 4px 0 20px rgba(0,0,0,0.08);
        transition-delay: 0.3s;
    }
    .responsive-sidebar:hover .sidebar-header {
        padding-left: 16px;
        transition: padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
    }
    .responsive-sidebar:hover .brand-name {
        opacity: 1;
        visibility: visible;
        transition: opacity 0.2s ease 0.25s, visibility 0.2s ease 0.25s;
    }
    .responsive-sidebar:hover .mud-nav-link-text,
    .responsive-sidebar:hover .mud-nav-link .mud-nav-link-expand-icon {
        opacity: 1;
        visibility: visible;
        transition: opacity 0.2s ease 0.25s, visibility 0.2s ease 0.25s;
    }
    .responsive-sidebar:hover .nav-section-title {
        display: block !important;
        animation: sectionTitleFadeIn 0.2s ease 0.25s both;
    }
    .responsive-sidebar:hover .mud-nav-link {
        width: calc(var(--mud-drawer-width-left, 260px) - 24px) !important;
        border-radius: var(--kashi-radius-xs, 8px) !important;
        transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.3s, border-radius 0.3s ease 0.3s;
    }
    .responsive-sidebar:hover .mud-divider {
        margin-top: 8px !important;
        margin-bottom: 8px !important;
        width: calc(var(--mud-drawer-width-left, 260px) - 24px) !important;
        transition: margin 0.3s ease 0.25s, width 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
    }
    .responsive-sidebar:hover .mud-nav-group .mud-collapse-container {
        height: auto !important;
        overflow: hidden !important;
        animation: navGroupExpand 0.3s ease 0.25s both;
    }
    .responsive-sidebar:hover .mud-nav-group:has(.mud-nav-link.active) > .mud-nav-link {
        background: transparent !important;
        font-weight: normal;
        transition: background 0s;
    }
    .responsive-sidebar:hover .user-profile {
        width: calc(var(--mud-drawer-width-left, 260px) - 24px) !important;
        padding-left: 12px;
        transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.3s, padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
    }
    .responsive-sidebar:hover .user-info,
    .responsive-sidebar:hover .expand-icon {
        opacity: 1;
        visibility: visible;
        transition: opacity 0.2s ease 0.25s, visibility 0.2s ease 0.25s;
    }

    /* ---- Appbar and content ---- */
    .responsive-appbar.mud-appbar-fixed-top,
    .responsive-appbar.mud-appbar-fixed-top.sidebar-collapsed {
        left: var(--mud-drawer-width-mini-left, 72px) !important;
    }

    .appbar-hamburger-desktop,
    .responsive-appbar.sidebar-collapsed .appbar-hamburger-desktop {
        display: none !important;
    }

    .responsive-main-content,
    .responsive-main-content.sidebar-collapsed {
        margin-left: var(--mud-drawer-width-mini-left, 72px) !important;
    }
}

/* ==================== TABLET TOUCH (769px-1024px, no hover / touch-only) ==================== */
/* On touch tablets (iPad etc.), hover-to-expand causes touch offset bugs in iOS Safari.
   Instead, use the same overlay pattern as mobile: hidden by default, opens via hamburger. */
@media (min-width: 769px) and (max-width: 1024px) and (hover: none) {
    .responsive-sidebar {
        width: var(--mud-drawer-width-left, 260px);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: calc(var(--mud-zindex-appbar, 1100) + 1);
    }

    .responsive-sidebar .sidebar-toggle { display: none !important; }
    .responsive-sidebar .sidebar-close { display: flex; }

    .responsive-sidebar.collapsed {
        width: var(--mud-drawer-width-left, 260px);
        transform: translateX(-100%);
    }

    .responsive-sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,0.10);
    }

    .responsive-sidebar.mobile-open .brand-name { opacity: 1; }
    .responsive-sidebar.mobile-open .nav-section-title { opacity: 0.6; height: auto; padding: 8px 12px 4px; }
    .responsive-sidebar.mobile-open .mud-nav-link {
        display: inline-flex !important;
        justify-content: flex-start !important;
        align-items: flex-start !important;
        padding: 8px 16px !important;
    }
    .responsive-sidebar.mobile-open .mud-nav-link-text { display: block !important; }
    .responsive-sidebar.mobile-open .mud-nav-link .mud-icon-root {
        margin-right: 4px !important;
        margin-inline-end: 4px !important;
    }
    .responsive-sidebar.mobile-open .mud-nav-link .mud-nav-link-expand-icon { display: flex !important; }
    .responsive-sidebar.mobile-open .mud-nav-group-items { display: block !important; }
    .responsive-sidebar.mobile-open .mud-divider { display: block !important; }
    .responsive-sidebar.mobile-open .user-info { display: block; }
    .responsive-sidebar.mobile-open .expand-icon { display: block; }
    .responsive-sidebar.mobile-open .user-profile { justify-content: flex-start; padding: 10px 12px; gap: 12px; }

    /* Show backdrop overlay for touch tablets */
    .sidebar-backdrop {
        display: block !important;
    }

    /* Appbar: full width, show mobile hamburger */
    .responsive-appbar.mud-appbar-fixed-top,
    .responsive-appbar.mud-appbar-fixed-top.sidebar-collapsed {
        left: 0 !important;
    }

    .appbar-hamburger-desktop,
    .responsive-appbar.sidebar-collapsed .appbar-hamburger-desktop {
        display: none !important;
    }

    .appbar-hamburger-mobile {
        display: flex !important;
    }

    .appbar-logo-mobile {
        display: flex;
    }

    .responsive-main-content,
    .responsive-main-content.sidebar-collapsed {
        margin-left: 0 !important;
    }
}

/* ==================== MOBILE (<768px) ==================== */
@media (max-width: 768px) {
    .responsive-sidebar {
        width: var(--mud-drawer-width-left, 260px);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: calc(var(--mud-zindex-appbar, 1100) + 1);
    }

    .responsive-sidebar.collapsed {
        width: var(--mud-drawer-width-left, 260px);
        transform: translateX(-100%);
    }

    .responsive-sidebar.collapsed:hover {
        width: var(--mud-drawer-width-left, 260px);
        box-shadow: none;
        transform: translateX(-100%);
    }

    .responsive-sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,0.10);
    }

    .responsive-sidebar.mobile-open .brand-name { opacity: 1; }
    .responsive-sidebar.mobile-open .nav-section-title { opacity: 0.6; height: auto; padding: 8px 12px 4px; }
    .responsive-sidebar.mobile-open .mud-nav-link {
        display: inline-flex !important;
        justify-content: flex-start !important;
        align-items: flex-start !important;
        padding: 8px 16px !important;
    }
    .responsive-sidebar.mobile-open .mud-nav-link-text { display: block !important; }
    .responsive-sidebar.mobile-open .mud-nav-link .mud-icon-root {
        margin-right: 4px !important;
        margin-inline-end: 4px !important;
    }
    .responsive-sidebar.mobile-open .mud-nav-link .mud-nav-link-expand-icon { display: flex !important; }
    .responsive-sidebar.mobile-open .mud-nav-group-items { display: block !important; }
    .responsive-sidebar.mobile-open .mud-divider { display: block !important; }
    .responsive-sidebar.mobile-open .user-info { display: block; }
    .responsive-sidebar.mobile-open .expand-icon { display: block; }
    .responsive-sidebar.mobile-open .user-profile { justify-content: flex-start; padding: 10px 12px; gap: 12px; }

    .responsive-sidebar .sidebar-toggle { display: none !important; }
    .responsive-sidebar .sidebar-close { display: flex; }

    .responsive-appbar.mud-appbar-fixed-top,
    .responsive-appbar.mud-appbar-fixed-top.sidebar-collapsed {
        left: 0 !important;
    }

    .appbar-hamburger-desktop,
    .responsive-appbar.sidebar-collapsed .appbar-hamburger-desktop {
        display: none !important;
    }

    .appbar-hamburger-mobile {
        display: flex !important;
    }

    .appbar-logo-mobile {
        display: flex;
    }

    .responsive-main-content,
    .responsive-main-content.sidebar-collapsed {
        margin-left: 0 !important;
    }
}

/* ==================== APPBAR TITLE + BREADCRUMB ==================== */
.appbar-title-area {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    overflow: hidden;
    margin-left: 8px;
}

.appbar-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--mud-palette-appbar-text);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.appbar-breadcrumb {
    font-size: 0.75rem;
    color: var(--mud-palette-appbar-text);
    opacity: 0.6;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 0;
}

.appbar-breadcrumb-link {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 20px;
}

.appbar-breadcrumb-link:hover {
    opacity: 1;
    text-decoration: underline;
}

.appbar-breadcrumb-sep {
    margin: 0 6px;
    opacity: 0.6;
    flex-shrink: 0;
}

.appbar-breadcrumb-current {
    opacity: 0.9;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 20px;
}

/* ==================== APPBAR SEARCH (desktop) ==================== */
.appbar-search {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--mud-palette-background);
    border: 1.5px solid var(--mud-palette-lines-default);
    margin-right: 8px;
    border-radius: var(--kashi-radius-sm, 12px);
    padding: 6px 12px;
    gap: 8px;
    width: 400px;
    flex-shrink: 0;
    transition: border-color var(--kashi-transition, 0.2s ease), box-shadow var(--kashi-transition, 0.2s ease);
}

.appbar-search:focus-within {
    border-color: var(--mud-palette-primary);
    box-shadow: var(--kashi-focus-ring, 0 0 0 3px rgba(var(--mud-palette-primary-rgb), 0.1));
}

.appbar-search-icon-left {
    color: var(--mud-palette-text-secondary);
    flex-shrink: 0;
}

.appbar-search-icon-left .mud-icon-root {
    font-size: 1.15rem;
}

.appbar-search-input {
    border: none;
    background: none;
    outline: none;
    font-family: var(--mud-typography-default-family);
    font-size: 0.875rem;
    color: var(--mud-palette-text-primary);
    width: 100%;
    line-height: 1.5;
}

.appbar-search-input::placeholder {
    color: var(--mud-palette-text-secondary);
}

.appbar-search-shortcut {
    font-size: 0.65rem;
    color: var(--mud-palette-text-secondary);
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 6px;
    padding: 2px 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.appbar-search-clear {
    flex-shrink: 0;
}

.appbar-search-clear .mud-icon-root {
    font-size: 1.1rem;
}

/* Search results popover */
.search-results-popover {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    min-width: 320px;
    background: var(--mud-palette-surface);
    border: 1.5px solid var(--mud-palette-lines-default);
    border-radius: var(--kashi-radius-md, 14px);
    box-shadow: var(--kashi-shadow-md, 0 4px 12px rgba(0,0,0,0.06));
    z-index: 1500;
    max-height: 400px;
    overflow-y: auto;
}

.search-results-header {
    padding: 8px 16px 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--mud-palette-text-secondary);
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.search-result-item:hover,
.search-result-item.selected {
    background: var(--mud-palette-action-default-hover);
}

.search-result-icon {
    color: var(--mud-palette-text-secondary);
    flex-shrink: 0;
}

.search-result-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.search-result-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--mud-palette-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-path {
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-subtitle {
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-results-empty {
    padding: 16px;
    text-align: center;
    color: var(--mud-palette-text-secondary);
    font-size: 0.85rem;
}

/* Mobile search button: hidden on desktop */
.appbar-search-mobile {
    display: none !important;
}

/* ==================== MOBILE SEARCH OVERLAY (inside appbar) ==================== */
.appbar-search-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--mud-palette-appbar-background);
    z-index: 10;
    align-items: center;
    padding: 0 8px;
    gap: 8px;
}

.appbar-search-overlay.active {
    display: flex;
}

.appbar-search-overlay .search-back {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--kashi-radius-xs, 8px);
    border: none;
    background: none;
    cursor: pointer;
    color: var(--mud-palette-appbar-text);
    transition: background var(--kashi-transition, 0.2s ease);
}

.appbar-search-overlay .search-back:hover {
    background: rgba(var(--mud-palette-appbar-text-rgb, 255, 255, 255), 0.1);
}

.appbar-search-overlay .search-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--mud-palette-background);
    border: 1.5px solid var(--mud-palette-lines-default);
    border-radius: var(--kashi-radius-sm, 12px);
    padding: 8px 12px;
    gap: 8px;
}

.appbar-search-overlay .search-input-icon {
    color: var(--mud-palette-text-secondary);
    flex-shrink: 0;
}

.appbar-search-overlay .search-input-mobile {
    border: none;
    background: none;
    outline: none;
    font-family: var(--mud-typography-default-family);
    font-size: 0.875rem;
    color: var(--mud-palette-text-primary);
    width: 100%;
    line-height: 1.5;
}

.appbar-search-overlay .search-input-mobile::placeholder {
    color: var(--mud-palette-text-secondary);
}

/* Mobile search results (dropdown below appbar) */
.mobile-search-results {
    position: fixed;
    top: var(--mud-appbar-height, 64px);
    left: 0;
    right: 0;
    background: var(--mud-palette-surface);
    border-bottom: 1px solid var(--mud-palette-lines-default);
    box-shadow: var(--mud-elevation-4);
    z-index: 1300;
    max-height: 50vh;
    overflow-y: auto;
}

/* ==================== RESPONSIVE: DIALOGS ==================== */
@media (max-width: 1024px) {
    .mud-dialog:not(.mud-dialog-fullscreen) {
        margin: 16px;
    }
}

/* ==================== RESPONSIVE: NESTED CONTAINERS ==================== */
.content-scroll-area .mud-container .mud-container {
    padding-left: 0;
    padding-right: 0;
}

/* ==================== RESPONSIVE: TITLE + BREADCRUMB + SEARCH ==================== */
@media (max-width: 768px) {
    .appbar-title {
        font-size: 1rem;
    }

    .appbar-search {
        display: none !important;
    }

    .appbar-search-mobile {
        display: flex !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {

    .appbar-search {
        width: 240px;
    }
}