:root {
    --accent: var(--bs-primary);
    --accent-soft: var(--bs-primary-bg-subtle);
    --text: rgba(var(--bs-link-color-rgb), var(--bs-link-opacity, 1));
    --text-muted: var(--bs-body-color);
    /* 侧栏：一级 ~110px + 二级 ~220px；顶栏高度与占位一致（rem，随根字号缩放） */
    --l1-width: 6.875rem;
    --l2-width: 13.75rem;
    --header-h: 4.25rem;
    --l1-ico-size: 2rem;
    --l1-ico-line: 2.625rem;
    --menu-dur: 0.22s;
    --panel-right-shadow: 1px;
    --logo-height: 4.375rem;
    --rail-width-full: calc(var(--l1-width) + var(--l2-width));
}

* {
    box-sizing: border-box;
}

.menu-ext a {
    text-decoration: none !important;
    font-weight: normal !important;
}

    .menu-ext a:not(.btn,.badge), .notificat a:not(.btn,.badge) {
        color: var(--bs-link-color) !important;
    }

.menu-ext .nav-item a.btn:hover {
    color: #fff !important;
    font-weight: 500 !important;
}

/* 占位：为 position:fixed 的 .topbar 预留高度，避免内容顶到顶栏下 */
.menu-ext.app-header {
    height: var(--header-h);
    flex-shrink: 0;
    position: relative;
    z-index: 30;
}
/*
 * menu-ext 顶栏：覆盖 Modernize 默认 width: calc(100% - 270px)。
 * left/width 由 siteMenu.js applyLayout 按侧栏阶段写入。
 */
.pos-layout .page-wrapper-ext .topbar,
.menu-ext .topbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    padding: 0 !important;
    background: var(--zii-header-bg, var(--bs-body-bg));
    border-bottom: 1px solid var(--bs-border-color);
    box-shadow: none !important;
}

@media (min-width: 1300px) {
    [data-layout=vertical] .pos-layout .page-wrapper-ext .topbar,
    [data-layout=vertical] .menu-ext .topbar {
        width: 100%;
    }
}

.menu-ext .topbar .navbar {
    height: var(--header-h);
    min-height: var(--header-h);
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.menu-ext .topbar .icon-btn {
    background-color: transparent;
    border: none;
}

/*
 * 主题切换图标：用 data-bs-theme 控制显隐，避免 Blazor 顶栏重绘后
 * 内联 style.display 丢失导致月亮/太阳同时显示。
 * light → 只显示月亮（切到 dark）；dark → 只显示太阳（切到 light）。
 */
.nav-link.light-layout {
    display: none !important;
}

html[data-bs-theme="dark"] .nav-link.dark-layout {
    display: none !important;
}

html[data-bs-theme="dark"] .nav-link.light-layout {
    display: flex !important;
}

.menu-ext .menu-toggle {
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    background: transparent;
    border-radius: var(--zii-radius-sm, 0.5rem);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.3125rem;
    flex-shrink: 0;
}

    .menu-ext .menu-toggle:hover {
        background: var(--accent-soft);
    }

    .menu-ext .menu-toggle span {
        display: block;
        width: 1.25rem;
        height: 2px;
        background: var(--text);
        border-radius: 1px;
    }

.menu-ext .header-spacer {
    flex: 1;
}

.menu-ext .brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
}

.menu-ext .brand-mark {
    width: 3rem;
    height: 3rem;
    background: var(--accent);
    border-radius: var(--zii-radius-sm, 0.5rem);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.03em;
}

.menu-ext .header-actions {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.menu-ext .icon-btn {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    border-radius: var(--zii-radius-sm, 0.5rem);
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.75rem;
}

    .menu-ext .icon-btn:hover {
        background: var(--accent-soft);
        color: var(--text);
    }

.menu-ext .lang-pill {
    border: 1px solid var(--bs-border-color);
    border-radius: var(--zii-radius-sm, 0.5rem);
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bs-body-bg);
}

.user-avatar {
    width: 2.375rem;
    height: 2.375rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bs-primary), #c93c12);
    border: 2px solid var(--bs-body-bg);
    box-shadow: 0 0 0 1px var(--bs-border-color);
}

.menu-ext .app-shell {
    display: flex;
    height: calc(100% - var(--header-h));
    position: relative;
}

.menu-ext.nav-rail {
    display: flex;
    flex-direction: row;
    align-self: flex-start;
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    min-height: 0;
    flex-shrink: 0;
    overflow: hidden;
    z-index: 40;
}

.menu-ext .l1-sidebar {
    width: 0;
    flex-shrink: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    background: var(--bs-body-bg);
    border-right: none;
    box-shadow: none;
    overflow: hidden;
    transition: width var(--menu-dur) ease, box-shadow var(--menu-dur) ease, border-color var(--menu-dur) ease;
    z-index: 13;
}

    .menu-ext .l1-sidebar.is-open {
        width: var(--l1-width);
        box-shadow: var(--panel-right-shadow);
        border: 1px solid var(--bs-border-color);
    }

.menu-ext.nav-rail:has(> .l2-rail.is-visible) .l1-sidebar.is-open {
    box-shadow: none;
    border-right: 1px solid var(--bs-border-color);
}

.menu-ext .l1-clip {
    position: relative;
    z-index: 22;
    isolation: isolate;
    flex: 1 1 auto;
    height: auto;
    width: 100%;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    background: var(--bs-body-bg);
}

.menu-ext .l1-inner {
    width: var(--l1-width);
    min-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-inline: auto;
    padding: 0.625rem 0;
}

.menu-ext .logo {
    height: var(--logo-height);
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--bs-body-bg);
}

.menu-ext .logo-link {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.menu-ext .logo-image {
    height: 2.125rem;
    width: auto;
    display: block;
}

.menu-ext .l1-item {
    border: none;
    background: transparent;
    width: 4.875rem;
    height: 4.875rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
    position: relative;
    line-height: 1.25;
    color: var(--text);
}

    .menu-ext .l1-item .l1-ico {
        font-size: var(--l1-ico-size);
        line-height: var(--l1-ico-line);
        width: var(--l1-ico-size);
        height: var(--l1-ico-size);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

        .menu-ext .l1-item .l1-ico i {
            font-size: var(--l1-ico-size);
            line-height: 1;
        }

    .menu-ext .l1-item:hover {
        color: var(--accent) !important;
        background: var(--accent-soft) !important;
        border-radius: 1rem !important;
    }

    .menu-ext .l1-item.is-active {
        color: var(--accent) !important;
        font-weight: 600 !important;
        border: solid 1px var(--accent) !important;
        border-radius: 1rem !important;
        background: var(--accent-soft) !important;
        word-wrap: anywhere;
    }

.menu-ext .l2-rail {
    width: 0;
    min-width: 0;
    flex-shrink: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    z-index: 12;
    pointer-events: none;
    background: var(--bs-body-bg);
    box-shadow: none;
    border: none;
    transition: width var(--menu-dur) ease, box-shadow var(--menu-dur) ease, min-width var(--menu-dur) ease;
}

    .menu-ext .l2-rail.is-visible {
        width: var(--l2-width);
        min-width: var(--l2-width);
        pointer-events: auto;
        box-shadow: var(--panel-right-shadow);
        border: 1px solid var(--bs-border-color);
    }

.menu-ext .l2-inner {
    flex: 1;
    min-height: 0;
    min-width: var(--l2-width);
    width: 100%;
    display: flex;
    flex-direction: column;
    background: var(--bs-body-bg);
    border-radius: 0;
    overflow: hidden;
}

.menu-ext .l2-head {
    flex-shrink: 0;
    padding: 0.5rem 0.8125rem;
    font-size: 0.8125rem;
    font-weight: bold;
    border-bottom: 1px solid var(--bs-border-color);
    /*    color: var(--accent);*/
    margin-top: var(--logo-height);
}

.menu-ext .l2-scroll {
    flex: 1;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 0.625rem;
}

.menu-ext .l1-clip,
.menu-ext .l2-scroll {
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
}

    .menu-ext .l1-clip:hover,
    .menu-ext .l2-scroll:hover {
        scrollbar-color: rgba(0, 0, 0, 0.18) transparent;
    }

    .menu-ext .l1-clip::-webkit-scrollbar,
    .menu-ext .l2-scroll::-webkit-scrollbar {
        width: 3px;
        height: 3px;
    }

    .menu-ext .l1-clip::-webkit-scrollbar-track,
    .menu-ext .l2-scroll::-webkit-scrollbar-track {
        background: transparent;
    }

    .menu-ext .l1-clip::-webkit-scrollbar-thumb,
    .menu-ext .l2-scroll::-webkit-scrollbar-thumb {
        background-color: transparent;
        border-radius: 3px;
    }

    .menu-ext .l1-clip:hover::-webkit-scrollbar-thumb,
    .menu-ext .l2-scroll:hover::-webkit-scrollbar-thumb {
        background-color: rgba(0, 0, 0, 0.18);
    }

    .menu-ext .l1-clip::-webkit-scrollbar-thumb:hover,
    .menu-ext .l2-scroll::-webkit-scrollbar-thumb:hover {
        background-color: rgba(0, 0, 0, 0.28);
    }

.menu-ext .l2-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0.625rem;
    border-radius: 0.5rem;
    text-decoration: none;
    margin-bottom: 0.25rem;
    transition: background 0.15s;
    color: var(--text)
}

    .menu-ext .l2-link:hover {
        background: var(--accent-soft) !important;
        color: var(--accent) !important;
    }

    .menu-ext .l2-link.is-active {
        background: var(--accent-soft) !important;
        color: var(--accent) !important;
        font-weight: 600 !important;
    }

    .menu-ext .l2-link .big-ico {
        width: 2.5rem;
        height: 2.5rem;
        border-radius: 0.625rem;
        background: var(--accent-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

        .menu-ext .l2-link .big-ico svg {
            width: 1.375rem;
            height: 1.375rem;
            stroke: var(--accent);
            fill: none;
            stroke-width: 1.6;
        }

    .menu-ext .l2-link span {
        font-size: 0.8125rem;
    }

.menu-ext .l2-group {
    margin-bottom: 0.25rem;
    border-radius: 0.5rem;
}

.menu-ext .l2-group-toggle {
    width: 100%;
    border: none;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.8125rem;
    text-align: left;
    justify-content: space-between;
}

    .menu-ext .l2-group-toggle:hover {
        background: var(--accent-soft);
        color: var(--text);
    }

.menu-ext .l2-group-caret {
    width: 0.8125rem;
    text-align: center;
    color: #9aa1ad;
    transform: rotate(0deg);
    transition: transform 0.18s ease;
    flex-shrink: 0;
    font-size: 0.8125rem;
    padding-top: 0.25rem;
}

.menu-ext .l2-group.is-open .l2-group-toggle {
    /*    color: var(--accent);*/
}

.menu-ext .l2-group.is-open .l2-group-caret {
    transform: rotate(90deg);
    /*color: var(--accent);*/
    padding-top: 0px;
}

.menu-ext .l2-group-title {
    font-size: 0.8125rem;
}

.menu-ext .l3-list {
    display: none;
    margin: 0.125rem 0 0;
    padding: 0 0 0 0.25rem;
}

.menu-ext .l2-group.is-open .l3-list {
    display: block;
}

.menu-ext .l3-link {
    display: block;
    text-decoration: none;
    color: var(--text);
    line-height: 1.3;
    border-radius: 0.5rem;
    margin: 0.125rem 0;
    padding: 0.75rem 0.625rem;
}

    .menu-ext .l3-link:hover {
        background: var(--accent-soft) !important;
        color: var(--accent) !important;
    }

    .menu-ext .l3-link.is-active {
        color: var(--accent) !important;
    }

    .menu-ext .l3-link span {
        font-size: 0.8125rem;
    }

.menu-ext .main-wrap {
    flex: 1;
    min-width: 0;
    padding: var(--zii-content-gutter, 1rem);
    overflow: auto;
    position: relative;
    z-index: 1;
}

    .menu-ext .main-wrap > .card {
        background: var(--bs-body-bg);
        border-radius: var(--zii-radius, 0.625rem);
        border: 1px solid var(--bs-border-color);
        margin-bottom: 1rem;
        overflow: hidden;
    }

.menu-ext .card-hd {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--bs-border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

    .menu-ext .card-hd h2 {
        margin: 0;
        font-size: 0.9375rem;
        font-weight: 600;
    }

.menu-ext .fab-add {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    border: none;
    background: var(--accent);
    color: #fff;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.hint-bar {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--zii-gray, #e8ecf1);
    border-radius: var(--zii-radius-sm, 0.5rem);
}

.menu-ext .topbar.shadow-sm {
    box-shadow: none !important;
}
.search-action-zone {
    display: flex;
    flex-direction: column-reverse;
    max-width: 100px;
}