:root {
    --bg-main: #0B0F19;
    --bg-card: #111827;
    --bg-card-hover: #1F2937;
    --border-color: #1E293B;
    --border-focus: #3B82F6;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --accent-blue: #2563EB;
    --accent-blue-hover: #1D4ED8;
    --accent-teal: #0D9488;
    --status-valid: #10B981;
    --status-invalid: #EF4444;
    --status-maint: #F59E0B;
    --status-unknown: #6B7280;
    --sidebar-width: 240px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
}

code {
    font-family: 'JetBrains Mono', monospace;
    background-color: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.app-layout {
    display: flex;
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    position: relative;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background-color: #0D1322;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.brand-icon {
    font-size: 26px;
}

.brand-text h2 {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #FFFFFF;
}

.brand-text span {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--accent-blue);
    color: #FFFFFF;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.engine-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-muted);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--status-valid);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--status-valid);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

/* 主内容区 */
.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    max-width: calc(100% - var(--sidebar-width));
    min-width: 0;
    flex: 1;
    padding: 24px 28px;
    box-sizing: border-box;
}

/* 顶栏 */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    width: 100%;
}

.page-title h1 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

.page-title p {
    font-size: 13px;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* 按钮规范 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-accent {
    background-color: #059669;
    color: #FFFFFF;
}

.btn-accent:hover {
    background-color: #047857;
}

.btn-secondary {
    background-color: #1E293B;
    color: var(--text-primary);
    border-color: #334155;
}

.btn-secondary:hover {
    background-color: #334155;
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-sm {
    padding: 5px 8px;
    font-size: 12px;
}

/* 指标卡片 */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
    width: 100%;
}

.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
    min-width: 0;
}

.metric-card:hover {
    transform: translateY(-2px);
    border-color: #334155;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.metric-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.metric-info h3 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.card-total h3 { color: #60A5FA; }
.card-vats h3 { color: #A78BFA; }
.card-valid h3 { color: #34D399; }
.card-invalid h3 { color: #F87171; }
.card-health h3 { color: #38BDF8; }

.metric-icon {
    font-size: 26px;
    opacity: 0.8;
}

/* 内容面板 */
.panel-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px 20px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
}

.tab-pane {
    display: none;
    width: 100%;
    min-width: 0;
}

.tab-pane.active {
    display: block;
}

/* 工具栏 */
.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 10px;
    flex-wrap: wrap;
    width: 100%;
}

.filter-group {
    display: flex;
    gap: 8px;
    flex: 1 1 500px;
    align-items: center;
    flex-wrap: wrap;
    min-width: 0;
}

.search-box {
    position: relative;
    flex: 1 1 180px;
    min-width: 160px;
}

.search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 7px 10px 7px 32px;
    background-color: #0B0F19;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: all 0.2s ease;
}

.search-box input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.select-control {
    padding: 7px 10px;
    background-color: #0B0F19;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 0 1 auto;
    max-width: 100%;
}

.select-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.toolbar-right {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* 表格容器与自定义滚动条 */
.table-container {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.table-container::-webkit-scrollbar {
    height: 8px;
}
.table-container::-webkit-scrollbar-track {
    background: #0B0F19;
}
.table-container::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}
.table-container::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
    white-space: nowrap;
}

.data-table th {
    background-color: #0B0F19;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    user-select: none;
}

.sortable-th {
    cursor: pointer;
    transition: all 0.15s ease;
}

.sortable-th:hover {
    color: #60A5FA;
    background-color: rgba(59, 130, 246, 0.08);
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color 0.15s ease;
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.row-invalid {
    background-color: rgba(239, 68, 68, 0.05);
}

/* 状态徽章 */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-valid {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-invalid {
    background-color: rgba(239, 68, 68, 0.15);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-maint {
    background-color: rgba(245, 158, 11, 0.15);
    color: #FBBF24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-unknown {
    background-color: rgba(107, 114, 128, 0.15);
    color: #9CA3AF;
    border: 1px solid rgba(107, 114, 128, 0.3);
}

.streak-tag {
    color: #F87171;
    font-weight: 600;
    background: rgba(239, 68, 68, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
}

.loading-td {
    text-align: center;
    padding: 36px 0;
    color: var(--text-muted);
    font-style: italic;
}

/* 关联下钻可点击徽章 */
.clickable-badge {
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.clickable-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
    filter: brightness(1.2);
}

/* 吐司通知 Toast */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 260px;
    max-width: 380px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #FFFFFF;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: toast-in 0.3s ease forwards;
    transition: all 0.3s ease;
}

.toast-success {
    background-color: #065F46;
    border: 1px solid #059669;
}

.toast-error {
    background-color: #991B1B;
    border: 1px solid #DC2626;
}

.toast-info {
    background-color: #1E3A8A;
    border: 1px solid #2563EB;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 下钻活动过滤提示条 */
.active-filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    padding: 8px 14px;
    margin-bottom: 14px;
    font-size: 13px;
    color: #93C5FD;
    font-weight: 500;
    flex-wrap: wrap;
    gap: 8px;
}

/* 模态框 Modal */
.modal,
.modal-overlay {
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background-color: rgba(0, 0, 0, 0.75) !important;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    z-index: 9999 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal.active,
.modal-overlay.active {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 520px;
    max-height: 88vh;
    overflow-y: auto;
    padding: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
    transform: scale(0.95);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal.active .modal-content,
.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.modal-header h2,
.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #FFFFFF;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 14px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control,
.form-group input[type="text"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    background-color: #0B0F19;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.form-control:focus,
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* 导入区域 */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 32px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 16px;
    transition: border-color 0.2s ease;
}

.drop-zone:hover {
    border-color: var(--accent-blue);
}

.drop-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.selected-file-info {
    font-size: 12px;
    color: #60A5FA;
    margin-top: 8px;
}

/* 系统配置面板 */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.settings-card {
    background-color: #0B0F19;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}

.settings-card h3 {
    font-size: 15px;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 8px;
}

.kv-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.kv-key {
    color: var(--text-secondary);
}

/* 移动端汉堡菜单与遮罩层 */
.mobile-menu-btn {
    display: none;
    background: #1E293B;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 18px;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
}

.mobile-close-sidebar {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    z-index: 99;
}

/* ================= 响应式适配媒体查询 ================= */

/* 中屏与笔记本 (宽度 <= 1280px) */
@media (max-width: 1280px) {
    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 平板端 (宽度 <= 1024px) */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 220px;
    }

    .main-content {
        padding: 20px 16px;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }
}

/* 手机端与窄屏 (宽度 <= 768px) */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .mobile-close-sidebar {
        display: block;
    }

    .sidebar-backdrop.active {
        display: block;
    }

    /* 侧边栏抽屉化 */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 260px;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.7);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .brand {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    /* 主界面自适应 */
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 10px 80px 10px !important; /* 底部预留 TabBar 空间 */
    }

    /* 顶栏响应式折叠 */
    .top-header {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        margin-bottom: 12px;
    }

    .page-title h1 {
        font-size: 17px;
    }

    .page-title p {
        font-size: 11px;
    }

    .header-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px;
    }

    .header-actions .btn {
        justify-content: center;
        padding: 8px 4px;
        font-size: 11.5px;
        min-height: 38px;
    }

    /* 指标卡片 2 列网格 */
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin-bottom: 12px;
    }

    .metric-card {
        padding: 10px 12px;
        border-radius: 10px;
    }

    .metric-info h3 {
        font-size: 18px;
    }

    .metric-info p {
        font-size: 11px;
    }

    .metric-icon {
        font-size: 18px;
    }

    /* 移动端隐藏宽桌面工具栏 */
    .desktop-only-toolbar {
        display: none !important;
    }

    /* 移动端专属紧凑搜索与筛选栏 */
    .mobile-filter-container {
        display: flex !important;
        flex-direction: column;
        gap: 8px;
        margin-bottom: 10px;
    }

    .mobile-search-row {
        display: flex;
        gap: 8px;
        align-items: center;
    }

    .mobile-search-box {
        flex: 1;
        position: relative;
        display: flex;
        align-items: center;
        background: #111827;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 0 10px;
        height: 38px;
    }

    .mobile-search-box input {
        background: transparent;
        border: none;
        color: #FFFFFF;
        width: 100%;
        outline: none;
        font-size: 12.5px;
        margin-left: 6px;
    }

    .btn-mobile-filter-toggle {
        display: flex;
        align-items: center;
        gap: 4px;
        background: rgba(37, 99, 235, 0.15);
        border: 1px solid rgba(37, 99, 235, 0.35);
        color: #60A5FA;
        height: 38px;
        padding: 0 12px;
        border-radius: 8px;
        font-size: 12px;
        font-weight: 600;
        cursor: pointer;
        white-space: nowrap;
        position: relative;
    }

    .btn-mobile-filter-toggle:active {
        background: var(--accent-blue);
        color: #FFFFFF;
    }

    .filter-dot {
        width: 6px;
        height: 6px;
        background-color: #EF4444;
        border-radius: 50%;
        position: absolute;
        top: 6px;
        right: 6px;
    }

    .btn-mobile-icon-refresh {
        width: 38px;
        height: 38px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid var(--border-color);
        color: #FFFFFF;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        cursor: pointer;
    }

    .btn-mobile-icon-refresh:active {
        background: rgba(255, 255, 255, 0.12);
    }

    /* 水平滑动胶囊条 */
    .mobile-chips-bar {
        display: flex !important;
        gap: 6px;
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
        padding: 2px 0 4px 0;
    }

    .mobile-chips-bar::-webkit-scrollbar {
        display: none;
    }

    .filter-chip {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        color: var(--text-secondary);
        padding: 4px 12px;
        border-radius: 16px;
        font-size: 12px;
        cursor: pointer;
        white-space: nowrap;
        flex-shrink: 0;
        transition: all 0.15s ease;
    }

    .filter-chip.active {
        background: var(--accent-blue);
        border-color: var(--accent-blue);
        color: #FFFFFF;
        font-weight: 600;
        box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
    }

    .filter-chip.chip-invalid.active {
        background: #EF4444;
        border-color: #EF4444;
        color: #FFFFFF;
    }

    .filter-chip.chip-valid.active {
        background: #10B981;
        border-color: #10B981;
        color: #FFFFFF;
    }

    .filter-chip.chip-maint.active {
        background: #F59E0B;
        border-color: #F59E0B;
        color: #FFFFFF;
    }

    /* 移动端隐藏宽表格，启用卡片流 */
    .desktop-only-table {
        display: none !important;
    }

    .mobile-card-stream {
        display: flex !important;
        flex-direction: column;
        gap: 10px;
        margin-top: 8px;
    }

    /* 移动端卡片样式 (Mobile Card) */
    .mobile-data-card {
        background: #131B2E;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 12px;
        padding: 14px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        transition: transform 0.15s ease, border-color 0.15s ease;
    }

    .mobile-data-card:active {
        transform: scale(0.985);
        border-color: var(--accent-blue);
    }

    .mobile-data-card.card-invalid {
        border-left: 4px solid #EF4444;
        background: linear-gradient(180deg, rgba(239, 68, 68, 0.06) 0%, #131B2E 100%);
    }

    .mobile-data-card.card-valid {
        border-left: 4px solid #10B981;
    }

    .mobile-data-card.card-maint {
        border-left: 4px solid #F59E0B;
    }

    .card-top-row {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 8px;
    }

    .card-company-name {
        font-size: 14.5px;
        font-weight: 700;
        color: #F8FAFC;
        line-height: 1.3;
    }

    .card-vat-strip {
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: rgba(15, 23, 42, 0.8);
        border: 1px solid rgba(59, 130, 246, 0.2);
        padding: 8px 12px;
        border-radius: 8px;
    }

    .card-vat-num {
        font-family: 'JetBrains Mono', monospace;
        font-size: 14px;
        font-weight: 600;
        color: #38BDF8;
    }

    .card-copy-btn {
        background: rgba(59, 130, 246, 0.15);
        border: 1px solid rgba(59, 130, 246, 0.3);
        color: #60A5FA;
        padding: 4px 8px;
        border-radius: 6px;
        font-size: 11.5px;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .card-copy-btn:active {
        background: var(--accent-blue);
        color: #FFFFFF;
    }

    .card-meta-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px 12px;
        font-size: 12px;
        color: var(--text-secondary);
        background: rgba(255, 255, 255, 0.02);
        padding: 8px 10px;
        border-radius: 8px;
    }

    .card-meta-item {
        display: flex;
        flex-direction: column;
        gap: 1px;
    }

    .card-meta-label {
        font-size: 10.5px;
        color: var(--text-muted);
    }

    .card-meta-value {
        font-weight: 500;
        color: var(--text-primary);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .card-actions-row {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
        padding-top: 4px;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .card-action-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 4px;
        padding: 8px 4px;
        font-size: 11.5px;
        font-weight: 500;
        border-radius: 6px;
        background: rgba(30, 41, 59, 0.8);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
        cursor: pointer;
        min-height: 36px;
    }

    .card-action-btn:active {
        background: var(--accent-blue);
        color: #fff;
    }

    /* 移动端底部原生导航栏 (Bottom Navigation Bar) */
    .mobile-bottom-nav {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: rgba(13, 19, 34, 0.95);
        backdrop-filter: blur(16px);
        border-top: 1px solid var(--border-color);
        justify-content: space-around;
        align-items: center;
        z-index: 999;
        padding-bottom: env(safe-area-inset-bottom);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        background: transparent;
        border: none;
        color: var(--text-muted);
        font-size: 10.5px;
        font-weight: 500;
        cursor: pointer;
        flex: 1;
        height: 100%;
        transition: color 0.15s ease;
    }

    .mobile-nav-item .mobile-nav-icon {
        font-size: 18px;
    }

    .mobile-nav-item.active {
        color: #38BDF8;
        font-weight: 700;
    }

    .mobile-nav-item.active .mobile-nav-icon {
        transform: scale(1.1);
        filter: drop-shadow(0 2px 6px rgba(56, 189, 248, 0.4));
    }

    /* 模态框变身为移动端 Bottom Sheet */
    .modal {
        align-items: flex-end !important;
        padding: 0 !important;
    }

    .modal-content {
        max-width: 100% !important;
        width: 100% !important;
        border-radius: 20px 20px 0 0 !important;
        max-height: 85vh !important;
        overflow-y: auto !important;
        padding: 20px 16px env(safe-area-inset-bottom) 16px !important;
        animation: sheet-up 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
    }

    @keyframes sheet-up {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .toast {
        min-width: 220px;
        max-width: 90%;
        font-size: 12px;
        padding: 8px 12px;
    }
}

/* 桌面端隐藏移动端专属组件 */
@media (min-width: 769px) {
    .mobile-bottom-nav {
        display: none !important;
    }
    .mobile-card-stream {
        display: none !important;
    }
    .mobile-filter-container {
        display: none !important;
    }
}

/* 用户状态胶囊与下拉菜单 */
.user-menu-wrapper {
    position: relative;
    display: inline-block;
}

.user-pill-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-pill-btn:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-blue);
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    min-width: 180px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
    z-index: 1001;
    display: none;
    flex-direction: column;
    padding: 6px 0;
    animation: toast-in 0.15s ease forwards;
}

.user-dropdown-menu.show {
    display: flex;
}

.user-dropdown-header {
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-dropdown-header strong {
    font-size: 13px;
    color: #FFFFFF;
}

.user-dropdown-header small {
    font-size: 11px;
    color: var(--accent-blue);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

.dropdown-item {
    padding: 8px 14px;
    color: var(--text-secondary);
    font-size: 12.5px;
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #FFFFFF;
}

.dropdown-item.text-danger:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #F87171;
}

.badge-admin {
    background-color: rgba(245, 158, 11, 0.15);
    color: #FBBF24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-operator {
    background-color: rgba(59, 130, 246, 0.15);
    color: #60A5FA;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-viewer {
    background-color: rgba(107, 114, 128, 0.15);
    color: #9CA3AF;
    border: 1px solid rgba(107, 114, 128, 0.3);
}