/* 交易工作台 / 用户中心共用的侧栏导航壳样式 */
.sider {
    border-right: 1px solid rgba(0, 210, 255, 0.14);
    background: rgba(10, 16, 26, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: inset -1px 0 0 rgba(0, 210, 255, 0.06);
    padding: 12px;
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
    overflow: hidden;
}
.sider-header {
    flex-shrink: 0;
}
.sider-menu-scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    margin-right: -4px;
    padding-right: 4px;
    scrollbar-color: #334155 rgba(15, 23, 42, 0.5);
    scrollbar-width: thin;
}
.sider-menu-scroll::-webkit-scrollbar {
    width: 8px;
}
.sider-menu-scroll::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
    border-radius: 4px;
}
.sider-menu-scroll::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}
.sider-menu-scroll::-webkit-scrollbar-thumb:hover {
    background: #475569;
}
.brand {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 4px;
    letter-spacing: 0.04em;
    color: #00d2ff;
    text-shadow: 0 0 22px rgba(0, 210, 255, 0.22);
}
.brand-sub {
    font-size: 12px;
    color: #94a3b8;
    margin-bottom: 12px;
}
.nav-backdrop {
    display: none;
}
.topbar-nav-btn {
    display: none;
    flex-shrink: 0;
}

/* 侧栏：主标题 + 副标题；一级分组卡片 / 二级条目层级 */
#app .sider .el-menu {
    border-right: none;
    padding: 8px 4px 16px;
    background: transparent !important;
}
#app .sider .el-sub-menu {
    margin-bottom: 12px;
    padding: 0 2px 6px;
    border-radius: 12px;
    background: rgba(8, 14, 24, 0.72);
    border: 1px solid rgba(100, 116, 139, 0.14);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;
}
#app .sider .el-menu-item,
#app .sider .el-sub-menu__title {
    border-radius: 10px;
}
#app .sider .el-sub-menu > .el-menu {
    padding: 2px 6px 4px 8px;
    background: transparent;
}
#app .sider .el-sub-menu .el-menu-item {
    height: auto !important;
    min-height: 46px;
    line-height: 1.35;
    padding: 9px 10px 9px 14px !important;
    margin: 3px 0;
    white-space: normal !important;
    border-radius: 8px !important;
    font-size: 13px;
    font-weight: 400;
    transition: background 0.18s ease, box-shadow 0.18s ease;
}
#app .sider .el-sub-menu .el-menu-item:hover {
    background: rgba(0, 210, 255, 0.08) !important;
}
#app .sider .el-sub-menu .el-menu-item.is-active {
    background: linear-gradient(90deg, rgba(0, 210, 255, 0.14), rgba(0, 210, 255, 0.05)) !important;
    box-shadow: inset 3px 0 0 0 rgba(0, 210, 255, 0.88);
    font-weight: 500;
}
#app .sider .el-sub-menu > .el-sub-menu__title {
    height: auto !important;
    line-height: 1.3;
    padding: 11px 12px 10px !important;
    margin: 0 0 2px 0 !important;
    border-radius: 11px 11px 8px 8px !important;
    font-size: 11px !important;
    font-weight: 800 !important;
    letter-spacing: 0.12em !important;
    color: #8896a8 !important;
    background: rgba(0, 0, 0, 0.35);
    border-bottom: 1px solid rgba(100, 116, 139, 0.12);
    text-transform: none;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
#app .sider .el-sub-menu > .el-sub-menu__title:hover {
    color: #a8b4c4 !important;
    background: rgba(0, 210, 255, 0.05);
}
#app .sider .el-sub-menu.is-opened > .el-sub-menu__title {
    color: #a8b4c4 !important;
    background: rgba(0, 210, 255, 0.06);
    border-bottom-color: rgba(0, 210, 255, 0.12);
}
#app .sider .el-sub-menu__icon-arrow {
    transition: transform 0.22s ease;
}
.uc-nav-tooltip-trigger {
    display: block;
    width: 100%;
    min-width: 0;
}
.uc-nav-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    width: 100%;
}
.uc-nav-main {
    font-size: 13px;
    font-weight: 400;
    color: #e2e8f0;
    line-height: 1.35;
    white-space: normal;
    word-break: break-word;
}
.uc-nav-sub {
    font-size: 11px;
    font-weight: 400;
    color: #64748b;
    line-height: 1.35;
    white-space: normal;
    word-break: break-word;
}
#app .sider .el-sub-menu .el-menu-item.is-active .uc-nav-main {
    color: #ecfeff;
    font-weight: 600;
}
#app .sider .el-sub-menu .el-menu-item.is-active .uc-nav-sub {
    color: rgba(0, 210, 255, 0.55);
}

@media (max-width: 1100px) {
    .wb-shell-layout { grid-template-columns: 1fr !important; }
    .sider {
        position: fixed;
        left: 0;
        top: 0;
        width: min(300px, 88vw);
        height: 100vh;
        z-index: 2001;
        transform: translateX(-100%);
        transition: transform 0.22s ease;
        box-shadow: 4px 0 28px rgba(0, 0, 0, 0.4);
    }
    .sider.nav-open {
        transform: translateX(0);
    }
    .nav-backdrop.visible {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 2000;
        background: rgba(0, 0, 0, 0.52);
    }
    .topbar-nav-btn {
        display: inline-flex;
    }
}
@media (max-width: 900px) {
    .uc-nav-sub { display: none; }
}