/* Topbar */
.app-navbar {
    --navbar-title-width: 32rem;
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    height: var(--navbar-height);
    background: var(--surface-color);
    transition: left 0.28s ease, width 0.28s ease;
    z-index: 1030;
}

.app-navbar .app-topbar-inner {
    height: 100%;
    display: flex;
    align-items: center;
    padding-left: var(--content-gutter);
    padding-right: var(--content-gutter);
    flex-wrap: nowrap;
    gap: 0.75rem;
}

.app-topbar-inner > .d-flex {
    flex: 1 1 auto;
    overflow: hidden;
}

.app-navbar .navbar-nav,
.app-navbar .nav-item {
    height: 100%;
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.app-navbar .app-user-toggle {
    min-height: 56px;
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
    max-width: 18rem;
}

.app-navbar .app-user-toggle img.avatar-md {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.page-heading-wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 0 1 var(--navbar-title-width);
    overflow: hidden;
    width: min(var(--navbar-title-width), 100%);
    min-width: 0;
}

.min-w-0 {
    min-width: 0;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.15;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-heading-wrap .breadcrumb {
    flex-wrap: nowrap;
    margin-bottom: 0;
    margin-top: 0.2rem;
    font-size: 0.85rem;
    opacity: 0.75;
    overflow: hidden;
    white-space: nowrap;
}

.page-heading-wrap .breadcrumb-item {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-mobile-nav-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--form-border);
    border-radius: var(--surface-radius-sm);
    color: var(--header-color);
    background: var(--surface-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

.app-mobile-nav-toggle:hover,
.app-mobile-nav-toggle:focus {
    background: var(--sidebar-hover);
    border-color: var(--form-border);
    box-shadow: none;
}

body.sidebar-collapsed .app-navbar {
    left: 0;
    width: 100%;
}

.app-mobile-nav-collapse {
    position: absolute;
    top: 100%;
    left: var(--mobile-content-gutter);
    right: var(--mobile-content-gutter);
    max-height: calc(100vh - var(--navbar-height) - var(--mobile-content-gutter) - var(--mobile-content-gutter));
    max-height: calc(100dvh - var(--navbar-height) - var(--mobile-content-gutter) - var(--mobile-content-gutter));
    overflow-y: auto;
    overscroll-behavior: contain;
}

.app-mobile-nav-card {
    background: var(--surface-color);
    border: 1px solid var(--form-border);
    border-radius: var(--surface-radius);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    display: flex;
    flex-direction: column;
    max-height: inherit;
    min-height: 0;
    overflow: hidden;
}

.app-mobile-nav-sections {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: 1rem;
}

.app-mobile-nav-section + .app-mobile-nav-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--form-border);
}

.app-mobile-nav-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--primary-color);
}

.app-mobile-nav-empty {
    margin-top: 0.5rem;
    padding: 0.55rem 0.875rem;
    color: var(--muted-color, #6c757d);
    font-size: 0.85rem;
    line-height: 1.35;
}

.app-mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.875rem;
    padding: 0.8rem 0.875rem;
    margin-top: 0.5rem;
    border-radius: var(--surface-radius-sm);
    color: var(--sidebar-text);
    text-decoration: none;
}

.app-mobile-nav-link:hover {
    background: var(--sidebar-hover);
}

.app-mobile-nav-link.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active-text);
}

.app-mobile-nav-toggle-link {
    width: 100%;
    border: 0;
    background: transparent;
    text-align: left;
    color: inherit;
    box-shadow: none;
    appearance: none;
    -webkit-appearance: none;
}

.app-mobile-nav-toggle-link.is-expanded {
    color: var(--sidebar-active-text);
}

.app-mobile-nav-link-main {
    display: inline-flex;
    align-items: center;
    gap: 0.875rem;
}

.app-mobile-nav-indicator {
    margin-left: auto;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    opacity: 0.7;
}

.app-mobile-nav-toggle-link[aria-expanded="true"] .app-mobile-nav-indicator {
    transform: rotate(225deg);
}

.app-mobile-nav-submenu {
    padding: 0.05rem 0 0 1.8rem;
}

.app-mobile-nav-sublink {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.875rem;
    margin-top: 0.35rem;
    border-radius: var(--form-border-radius);
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
}

.app-mobile-nav-sublink::before {
    content: "";
    width: 0.3rem;
    height: 0.3rem;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.5;
    flex-shrink: 0;
}

.app-mobile-nav-sublink:hover {
    background: var(--sidebar-hover);
}

.app-mobile-nav-sublink.active {
    color: var(--sidebar-active-text);
    border-bottom: 2px solid currentColor;
    border-radius: 0;
}

.app-mobile-nav-sublink--spaced {
    margin-bottom: 0.5rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--form-border);
}

.app-mobile-nav-footer {
    flex-shrink: 0;
    padding: 1rem;
    border-top: 1px solid var(--form-border);
    background: var(--surface-color);
}

.dropdown-menu .logout-dropdown-btn {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    border: 0;
    background: transparent;
    text-align: left !important;
    justify-content: flex-start !important;
    align-items: center;
    box-shadow: none;
}

.app-navbar .dropdown-menu {
    min-width: 13.5rem;
    padding: 0.35rem 0;
}

.app-navbar .dropdown-item,
.app-navbar .dropdown-menu .logout-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 2.35rem;
    padding: 0.5rem 0.85rem;
    font-size: 0.86rem;
    line-height: 1.2;
    letter-spacing: 0;
}

.app-navbar .dropdown-item i,
.app-navbar .dropdown-menu .logout-dropdown-btn i {
    width: 1rem;
    margin-right: 0 !important;
    font-size: 0.86rem;
    text-align: center;
}

.app-navbar .dropdown-divider {
    margin: 0.25rem 0;
}

/* Responsive */
@media (max-width: 991.98px) {
    .app-navbar {
        --navbar-title-width: calc(100vw - 8.25rem);
        left: 0;
        width: 100%;
        height: var(--navbar-height);
    }

    .app-topbar-inner {
        padding-left: var(--mobile-content-gutter);
        padding-right: var(--mobile-content-gutter);
    }

    .app-navbar .navbar-nav {
        flex-direction: row;
        flex-shrink: 0;
    }

    .app-navbar .app-user-toggle {
        width: 44px;
        height: 44px;
        justify-content: center;
        padding: 0;
        max-width: 44px;
    }

    .app-navbar .app-user-toggle:hover,
    .app-navbar .app-user-toggle:focus,
    .app-navbar .app-user-toggle.show {
        background: var(--surface-color);
        box-shadow: none;
    }

    .app-navbar .app-user-toggle::after {
        margin-left: 0.25rem;
    }

    .app-navbar .dropdown-menu {
        position: absolute;
        top: calc(100% + 0.5rem);
        right: 0;
        left: auto;
        width: min(232px, calc(100vw - var(--mobile-content-gutter) - var(--mobile-content-gutter)));
        min-width: 0;
        max-height: calc(100vh - var(--navbar-height) - 1rem);
        max-height: calc(100dvh - var(--navbar-height) - 1rem);
        overflow-y: auto;
        z-index: 1040;
    }

    .page-title {
        font-size: 1.125rem;
    }

    .page-heading-wrap .breadcrumb {
        font-size: 0.75rem;
    }
}

.dropdown-item {
    color: var(--nav-link) !important
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">" !important;
}