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

:root {
    --sidebar-width: 100px;
    --header-height: 60px;
    --primary: #20a0ff;
    --primary-dark: #1a8ce0;
    --primary-bg: #e8f4ff;
    --success: #67c23a;
    --warning: #e6a23c;
    --danger: #f56c6c;
    --info: #909399;
    --bg: #f0f2f5;
    --card-bg: #fff;
    --text: #303133;
    --text-secondary: #606266;
    --border: #dcdfe6;
    --sidebar-bg: #2c3e50;
    --sidebar-active: #34495e;
    --header-bg: #fff;
    --header-text: #303133;
    --header-info-text: #606266;
    --header-btn-bg: #f5f7fa;
    --header-btn-border: #dcdfe6;
    --header-btn-hover-bg: #ecf5ff;
    --header-btn-hover-color: #20a0ff;
    --user-dropdown-bg: #fff;
    --user-dropdown-border: #dcdfe6;
    --user-dropdown-hover: #f5f7fa;
    --table-header-bg: #fafafa;
    --table-footer-bg: #fff;
    --pagination-btn-bg: #fff;
    --pagination-btn-active-bg: #20a0ff;
    --pagination-btn-active-color: #fff;
    --btn-bg: #fff;
    --input-bg: #fff;
    --row-hover-bg: #f5f7fa;
    --sidebar-list-bg: #f5f7fa;
    --tree-hover-bg: #e8e8e8;
    --tree-selected-bg: #cce4f7;
    --log-item-hover: #e8eaed;
    --log-item-active: #d4e8fc;
    --state-up-bg: #e8f5e9;
    --state-up-color: #2e7d32;
    --state-down-bg: #fbe9e7;
    --state-down-color: #c62828;
    --addr-bg: #f0f2f5;
    --badge-success-bg: #f0f9eb;
    --badge-danger-bg: #fef0f0;
    --badge-warning-bg: #fdf6ec;
    --badge-info-bg: #f4f4f5;
    --progress-bg: #ebeef5;
    --db-table-border: #e4e7ed;
    --db-row-hover: #d6eaff;
    --win-btn-hover: rgba(0,0,0,0.08);
    --scrollbar-thumb: #c0c4cc;
    --scrollbar-thumb-hover: #909399;
}

[data-theme="dark"] {
    --bg: #1a1a2e;
    --card-bg: #16213e;
    --text: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border: #3a3a5c;
    --sidebar-bg: #0f0f23;
    --sidebar-active: #1a1a3e;
    --header-bg: #16213e;
    --header-text: #e0e0e0;
    --header-info-text: #a0a0a0;
    --header-btn-bg: #1a1a3e;
    --header-btn-border: #3a3a5c;
    --header-btn-hover-bg: #2a2a5e;
    --primary-bg: #1a3a6e;
    --header-btn-hover-color: #409eff;
    --user-dropdown-bg: #16213e;
    --user-dropdown-border: #3a3a5c;
    --user-dropdown-hover: #1a1a3e;
    --table-header-bg: #1a1a3e;
    --table-footer-bg: #16213e;
    --pagination-btn-bg: #16213e;
    --pagination-btn-active-bg: #409eff;
    --pagination-btn-active-color: #fff;
    --btn-bg: #2a2a4e;
    --input-bg: #16213e;
    --row-hover-bg: #2a2a5e;
    --sidebar-list-bg: #1a1a2e;
    --tree-hover-bg: #2a2a5e;
    --tree-selected-bg: #1a3a6e;
    --log-item-hover: #2a2a5e;
    --log-item-active: #1a3a6e;
    --state-up-bg: #1b3a1b;
    --state-up-color: #4caf50;
    --state-down-bg: #3a1b1b;
    --state-down-color: #ef5350;
    --addr-bg: #2a2a4e;
    --badge-success-bg: #1b3a1b;
    --badge-danger-bg: #3a1b1b;
    --badge-warning-bg: #3a2b1b;
    --badge-info-bg: #2a2a4e;
    --progress-bg: #3a3a5c;
    --db-table-border: #3a3a5c;
    --db-row-hover: #2a3a5e;
    --win-btn-hover: rgba(255,255,255,0.08);
    --scrollbar-thumb: #5a5a7c;
    --scrollbar-thumb-hover: #7a7a9c;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 13px;
    color: var(--text);
    background: var(--bg);
    overflow: hidden;
}

/* Login Page */
.login-page {
    position: fixed; inset: 0;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    display: flex; align-items: center; justify-content: center;
}
.login-box {
    background: var(--card-bg); border-radius: 8px; padding: 32px;
    width: 340px; box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.login-logo {
    font-size: 28px; font-weight: bold; text-align: center;
    color: var(--primary); margin-bottom: 4px;
}
.login-subtitle {
    text-align: center; color: var(--text-secondary); margin-bottom: 24px; font-size: 14px;
}
.login-input {
    width: 100%; height: 38px; border: 1px solid var(--border);
    border-radius: 4px; padding: 0 12px; margin-bottom: 12px; font-size: 14px;
    outline: none; transition: border-color 0.2s;
    background: var(--input-bg); color: var(--text);
}
.login-input:focus { border-color: var(--primary); }
.login-btn {
    width: 100%; height: 38px; background: var(--primary); color: #fff;
    border: none; border-radius: 4px; font-size: 14px; cursor: pointer;
    transition: background 0.2s;
}
.login-btn:hover { background: var(--primary-dark); }
.login-error {
    color: var(--danger); text-align: center; margin-top: 8px; font-size: 12px;
    min-height: 16px;
}

/* App Layout */
.app-layout {
    display: flex; flex-direction: column; height: 100vh; width: 100vw;
}

.app-body {
    display: flex; flex: 1; overflow: hidden;
}

/* Sidebar - 仅导航菜单 */
.sidebar {
    width: var(--sidebar-width); background: var(--sidebar-bg);
    display: flex; flex-direction: column; flex-shrink: 0;
    overflow-y: auto; overflow-x: hidden;
}
.sidebar-nav {
    flex: 1; padding: 4px 0;
}
.nav-item {
    display: flex; align-items: center; padding: 8px 16px;
    color: #bdc3c7; text-decoration: none; transition: all 0.2s;
    cursor: pointer; border-left: 3px solid transparent;
}
.nav-item:hover { background: var(--sidebar-active); color: #fff; }
.nav-item.active {
    background: var(--sidebar-active); color: #fff;
    border-left-color: var(--primary);
}
.nav-icon { font-size: 16px; margin-right: 8px; width: 20px; text-align: center; }
.nav-label { font-size: 13px; }

/* App Header - 60px 高, 100%宽度 */
.app-header {
    height: var(--header-height); background: var(--header-bg);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 12px; border-bottom: 1px solid var(--border); flex-shrink: 0;
    gap: 8px; width: 100%;
}
.header-left {
    display: flex; align-items: center; gap: 6px; flex: 1; min-width: 0;
    overflow: hidden;
}
.header-right {
    display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.header-brand-box {
    width: 100px; display: flex; align-items: center; justify-content: space-between;
    flex-shrink: 0;
}
.header-brand {
    font-size: 18px; font-weight: bold; color: var(--primary);
    white-space: nowrap;
}
.header-brand-version {
    font-size: 13px; color: var(--header-info-text); white-space: nowrap;
    margin-left: 4px;
}
.header-info {
    font-size: 12px; color: var(--header-info-text); white-space: nowrap;
}
.header-btn {
    height: 26px; padding: 0 8px; border: 1px solid var(--header-btn-border);
    border-radius: 4px; cursor: pointer; font-size: 12px;
    background: var(--header-btn-bg); color: var(--header-text);
    transition: all 0.2s; white-space: nowrap;
}
.header-btn:hover {
    border-color: var(--primary); color: var(--header-btn-hover-color);
    background: var(--header-btn-hover-bg);
}
.header-btn.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.header-btn.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.header-btn.btn-danger { color: var(--danger); border-color: var(--danger); }
.header-btn.btn-danger:hover { background: var(--danger); color: #fff; }

/* Install count badge in header */
.install-count-badge {
    background: var(--danger); color: #fff; border-radius: 10px;
    padding: 1px 6px; font-size: 10px; cursor: pointer;
    min-width: 16px; text-align: center; line-height: 14px;
    display: inline-block;
}

/* User menu dropdown */
.user-menu { position: relative; }
.user-name {
    font-size: 13px; color: var(--header-text); cursor: pointer;
    padding: 4px 8px; border-radius: 4px; transition: background 0.2s;
    white-space: nowrap;
}
.user-name:hover { background: var(--header-btn-hover-bg); }
.user-dropdown {
    display: none; position: absolute; top: 100%; right: 0;
    background: var(--user-dropdown-bg); border: 1px solid var(--user-dropdown-border);
    border-radius: 4px; box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 120px; z-index: 1000;
}
.user-menu:hover .user-dropdown { display: block; }
.user-dropdown-item {
    display: block; padding: 8px 12px; font-size: 13px;
    color: var(--text); text-decoration: none; transition: background 0.2s;
}
.user-dropdown-item:hover { background: var(--user-dropdown-hover); color: var(--primary); }
.user-dropdown-item:first-child { border-bottom: 1px solid var(--border); }

/* Page Content - 右侧内容区 */
.page-content {
    flex: 1; overflow-y: auto; overflow-x: hidden; padding: 12px;
    min-width: 0; display: flex; flex-direction: column;
}

/* Common Components */
.card {
    background: var(--card-bg); border-radius: 6px; padding: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08); margin-bottom: 8px;
}
.card-title {
    font-size: 14px; font-weight: bold; margin-bottom: 8px;
    display: flex; align-items: center; justify-content: space-between;
}
.card-body { font-size: 13px; }

.row { display: flex; gap: 8px; flex-wrap: wrap; }
.col { flex: 1; min-width: 0; }

.btn {
    height: 28px; padding: 0 12px; border: 1px solid var(--border);
    border-radius: 4px; cursor: pointer; font-size: 12px;
    background: var(--btn-bg); color: var(--text); transition: all 0.2s;
    display: inline-flex; align-items: center; gap: 4px;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-sm { height: 24px; padding: 0 8px; font-size: 11px; }

.input {
    height: 28px; border: 1px solid var(--border); border-radius: 4px;
    padding: 0 8px; font-size: 12px; outline: none; transition: border-color 0.2s;
    background: var(--input-bg); color: var(--text);
}
.input:focus { border-color: var(--primary); }

.select {
    height: 28px; border: 1px solid var(--border); border-radius: 4px;
    padding: 0 8px; font-size: 12px; outline: none; background: var(--input-bg); color: var(--text);
}

/* Progress Bar */
.progress-bar {
    width: 100%; height: 8px; background: var(--progress-bg); border-radius: 4px; overflow: hidden;
}
.progress-fill {
    height: 100%; border-radius: 4px; transition: width 0.3s;
}
.progress-fill.cpu { background: var(--primary); }
.progress-fill.mem { background: var(--success); }
.progress-fill.disk { background: var(--warning); }

/* Stat Cards */
.stat-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 8px; margin-bottom: 8px;
}
.stat-card {
    background: var(--card-bg); border-radius: 6px; padding: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.stat-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.stat-value { font-size: 20px; font-weight: bold; }
.stat-detail { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }

/* Table-like list using div */
.data-list {
    display: flex; flex-direction: column; gap: 0;
}
.data-header, .data-row {
    display: flex; align-items: center; padding: 6px 8px;
    border-bottom: 1px solid var(--border);
}
.data-header {
    font-weight: bold; font-size: 12px; color: var(--text-secondary);
    background: var(--table-header-bg); border-radius: 4px 4px 0 0;
    position: sticky; top: 0; z-index: 2;
}
.data-row:hover { background: var(--row-hover-bg); }
.data-row:last-child { border-bottom: none; }
.db-grid-row:hover { background: var(--row-hover-bg) !important; }
.db-data-table th, .db-data-table td { border: 1px solid var(--db-table-border); }
.db-data-table tbody tr:hover { background: var(--db-row-hover) !important; }
.db-data-table tbody tr:hover td { background: var(--db-row-hover) !important; }

/* Modal — 旧弹窗样式，仅用于非 layui-layer 元素 */
.modal-overlay:not(.layui-layer) {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal-box:not(.layui-layer) {
    background: var(--card-bg); border-radius: 8px; padding: 16px;
    width: 480px; max-width: 90vw; max-height: 80vh; overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2); position: relative;
}
.modal-title {
    font-size: 16px; font-weight: bold; margin-bottom: 12px;
    display: flex; justify-content: space-between; align-items: center;
}
.modal-close { cursor: pointer; font-size: 18px; color: var(--text-secondary); }
.layui-layer-content { overflow-x: hidden; }
.modal-footer { position: absolute; bottom: 0; left: 0; right: 0; display: flex; justify-content: flex-end; gap: 8px; padding: 8px 15px; }

/* 窗口控制按钮 */
.modal-win-btns { display: flex; gap: 2px; align-items: center; margin-left: auto; }
.modal-win-btn { cursor: pointer; width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; border-radius: 3px; font-size: 13px; color: var(--text-secondary); user-select: none; }
.modal-win-btn:hover { background: var(--win-btn-hover); }
.modal-win-btn.close:hover { background: #e74c3c; color: #fff; }
.modal-box.minimized, [data-win-box].minimized { display: none !important; }
.modal-box.maximized, [data-win-box].maximized { width: 100vw !important; max-width: 100vw !important; max-height: 100vh !important; height: 100vh !important; border-radius: 0 !important; }
.modal-title.draggable { cursor: move; user-select: none; }
.modal-resize-handle { position: absolute; z-index: 10; }
.modal-resize-handle.nw { top: -1px; left: -1px; width: 12px; height: 12px; cursor: nw-resize; }
.modal-resize-handle.ne { top: -1px; right: -1px; width: 12px; height: 12px; cursor: ne-resize; }
.modal-resize-handle.sw { bottom: -1px; left: -1px; width: 12px; height: 12px; cursor: sw-resize; }
.modal-resize-handle.se { bottom: -1px; right: -1px; width: 12px; height: 12px; cursor: se-resize; }
#modal-min-bar { position: fixed; bottom: 0; left: 0; right: 0; height: 34px; background: var(--sidebar-list-bg); border-top: 1px solid var(--border); display: flex; align-items: center; padding: 0 8px; gap: 8px; z-index: 99999; box-shadow: 0 -2px 8px rgba(0,0,0,0.1); }
.modal-min-item { padding: 4px 14px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 4px; cursor: pointer; font-size: 12px; display: flex; align-items: center; gap: 6px; }
.modal-min-item:hover { background: var(--primary, #409eff); color: #fff; }
.modal-min-item .restore { color: var(--text-secondary, #999); }

.form-group { margin-bottom: 10px; }
.form-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; display: block; }
.form-input {
    width: 100%; height: 30px; border: 1px solid var(--border); border-radius: 4px;
    padding: 0 8px; font-size: 13px; outline: none;
    background: var(--input-bg); color: var(--text);
}
.form-input:focus { border-color: var(--primary); }

/* Badge */
.badge {
    display: inline-block; padding: 2px 6px; border-radius: 3px;
    font-size: 11px; font-weight: bold;
}
.badge-success { background: var(--badge-success-bg); color: var(--success); }
.badge-danger { background: var(--badge-danger-bg); color: var(--danger); }
.badge-warning { background: var(--badge-warning-bg); color: var(--warning); }
.badge-info { background: var(--badge-info-bg); color: var(--info); }

/* Toast */
.toast {
    position: fixed; top: 60px; right: 16px; z-index: 2000;
    padding: 10px 16px; border-radius: 4px; font-size: 13px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15); min-width: 200px;
}
.toast-success { background: var(--success); color: #fff; }
.toast-error { background: var(--danger); color: #fff; }
.toast-info { background: var(--primary); color: #fff; }

/* Terminal */
.terminal-container {
    background: #1e1e1e; color: #d4d4d4; border-radius: 6px;
    padding: 8px; height: calc(100vh - var(--header-height) - 32px);
    overflow-y: auto; font-family: "Cascadia Code", "Fira Code", Consolas, monospace;
    font-size: 13px; line-height: 1.4;
}
.terminal-input-line {
    display: flex; align-items: center;
}
.terminal-prompt { color: #4ec9b0; margin-right: 4px; }
.terminal-input {
    background: transparent; border: none; color: #d4d4d4;
    font-family: inherit; font-size: inherit; outline: none; flex: 1;
}

/* File Manager */
.file-toolbar {
    display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
    flex-wrap: wrap;
}
.path-breadcrumb {
    display: flex; align-items: center; gap: 2px; font-size: 12px;
    flex: 1; min-width: 200px;
}
.path-breadcrumb a { color: var(--primary); cursor: pointer; text-decoration: none; }
.path-breadcrumb a:hover { text-decoration: underline; }
.path-separator { color: var(--text-secondary); }

.file-icon { font-size: 16px; margin-right: 6px; }

/* Chart */
.chart-container {
    position: relative; height: 120px; width: 100%;
}
.chart-canvas { width: 100%; height: 100%; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

/* Software Management */
.cat-tabs {
    display: flex; gap: 0; flex-wrap: wrap; margin-bottom: 0;
    border-bottom: 1px solid var(--border); padding-bottom: 0;
}
.cat-tab {
    padding: 6px 16px; border: none; background: transparent; cursor: pointer;
    font-size: 13px; color: var(--text-secondary); border-bottom: 2px solid transparent;
    transition: all 0.2s; margin-bottom: -1px;
}
.cat-tab:hover { color: var(--primary); }
.cat-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: bold; }

.sw-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
}
.sw-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px;
    padding: 8px; transition: border-color 0.2s;
}
.sw-card:hover { border-color: var(--primary); }
.sw-card-header {
    display: flex; align-items: center; gap: 4px; margin-bottom: 4px;
}
.sw-icon { font-size: 18px; }
.sw-name { font-weight: bold; font-size: 13px; flex: 1; }
.sw-desc {
    font-size: 11px; color: var(--text-secondary); margin-bottom: 6px;
    line-height: 1.3; min-height: 28px;
}
.sw-actions {
    display: flex; gap: 4px; flex-wrap: wrap;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none; background: none; border: none; font-size: 20px;
    cursor: pointer; padding: 0 8px; color: var(--text);
}
.sidebar-close {
    display: none; background: none; border: none; color: #fff;
    font-size: 22px; cursor: pointer; padding: 0 4px;
    position: absolute; top: 4px; right: 4px; z-index: 10;
}
.sidebar-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    z-index: 998;
}
.sidebar-overlay.active { display: block; }

/* Responsive - Tablet */
@media (max-width: 1024px) {
    :root { --sidebar-width: 160px; }
    .stat-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
    .sw-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
    .header-info { font-size: 11px; }
    .header-btn { padding: 0 6px; font-size: 11px; }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 220px;
        --header-height: 48px;
    }

    .menu-toggle { display: inline-block; }
    .sidebar-close { display: block; }

    /* Sidebar becomes drawer */
    .sidebar {
        position: fixed; left: 0; top: 0; bottom: 0;
        width: var(--sidebar-width); z-index: 999;
        transform: translateX(-100%); transition: transform 0.25s ease;
    }
    .sidebar.open { transform: translateX(0); }

    /* Header adjustments */
    .app-header { padding: 0 8px; gap: 4px; }
    .header-left { gap: 4px; }
    .header-brand-box { width: 80px; }
    .header-brand { font-size: 16px; }
    .header-info { display: none; }
    .header-btn { padding: 0 4px; font-size: 11px; height: 24px; }
    #btn-restart-server, #btn-check-update, #btn-upload-update,
    #btn-restart-panel, #header-sys-version, #header-sys-uptime,
    #header-python-version, #header-panel-version, #header-panel-uptime {
        display: none;
    }

    /* Page content */
    .page-content > .page-scroll { padding: 8px; }

    /* Stat cards stack */
    .stat-grid {
        grid-template-columns: repeat(2, 1fr); gap: 6px;
    }
    .stat-card { padding: 8px; }
    .stat-value { font-size: 16px; }
    .stat-label { font-size: 11px; }

    /* Cards */
    .card { padding: 8px; margin-bottom: 6px; }
    .card-title { font-size: 13px; }

    /* Data list - horizontal scroll on mobile */
    .data-header, .data-row {
        padding: 6px 4px; font-size: 11px;
    }

    /* Row/Col stack vertically */
    .row { flex-direction: column; gap: 6px; }
    .col { min-width: 100%; }

    /* Buttons - larger touch targets */
    .btn { height: 32px; padding: 0 12px; font-size: 13px; }
    .btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }

    /* Inputs - larger touch targets */
    .input, .select { height: 32px; font-size: 13px; }
    .form-input { height: 34px; font-size: 14px; }

    /* Login box */
    .login-box { width: 90vw; max-width: 340px; padding: 24px 20px; }
    .login-input { height: 42px; font-size: 16px; }
    .login-btn { height: 42px; font-size: 16px; }

    /* Modal */
    .modal-box { width: 92vw; padding: 12px; }
    .modal-title { font-size: 14px; }

    /* Software grid */
    .sw-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .sw-card { padding: 6px; }
    .sw-desc { font-size: 10px; min-height: 20px; }

    /* Category tabs - scrollable */
    .cat-tabs {
        overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch;
    }
    .cat-tab { white-space: nowrap; }

    /* Terminal */
    .terminal-container {
        height: calc(100vh - var(--header-height) - 16px);
        font-size: 12px; padding: 6px;
    }

    /* Toast */
    .toast {
        top: auto; bottom: 16px; right: 8px; left: 8px;
        min-width: auto; text-align: center;
    }

    /* File toolbar */
    .file-toolbar { gap: 4px; }
    .path-breadcrumb { min-width: 100%; font-size: 11px; }

    /* Progress bar */
    .progress-bar { height: 6px; }

    /* Pagination */
    .pagination { gap: 2px; padding: 4px 8px; }
    .pagination-btn { height: 24px; min-width: 24px; padding: 0 4px; }
    .pagination-jump { width: 40px; }
}

/* Responsive - Small mobile */
@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
    .sw-grid { grid-template-columns: 1fr; }
    .login-logo { font-size: 24px; }
    .page-content { padding: 6px; }
    .card { padding: 6px; }

    /* Data list columns narrower */
    .data-header, .data-row { padding: 4px 2px; font-size: 10px; }

    /* Badge smaller */
    .badge { font-size: 10px; padding: 1px 4px; }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .nav-item:hover { background: transparent; color: #bdc3c7; }
    .nav-item.active:hover { background: var(--sidebar-active); color: #fff; }
    .btn:hover { border-color: var(--border); color: var(--text); }
    .btn-primary:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
    .data-row:hover { background: transparent; }
    .sw-card:hover { border-color: var(--border); }
}

/* Safe area for notched devices */
@supports (padding: env(safe-area-inset-top)) {
    .app-header { padding-top: env(safe-area-inset-top); }
    .sidebar-nav { padding-bottom: env(safe-area-inset-bottom); }
    .login-page { padding-top: env(safe-area-inset-top); }
}
/* ===== 路由系统样式 ===== */
.badge-wan { background: #3498db; color: #fff; padding: 2px 8px; border-radius: 3px; font-size: 11px; }
.badge-lan { background: #2ecc71; color: #fff; padding: 2px 8px; border-radius: 3px; font-size: 11px; }

.router-iface-list { display: flex; flex-direction: column; gap: 4px; }
.router-iface-row {
    display: flex; align-items: center; gap: 12px;
    padding: 8px 12px; border: 1px solid var(--border); border-radius: 4px;
    flex-wrap: wrap;
}
.router-iface-info { display: flex; align-items: center; gap: 8px; min-width: 200px; }
.router-iface-name { font-weight: bold; font-size: 14px; }
.router-iface-state { font-size: 11px; padding: 1px 6px; border-radius: 3px; }
.router-iface-state.state-up { background: var(--state-up-bg); color: var(--state-up-color); }
.router-iface-state.state-down { background: var(--state-down-bg); color: var(--state-down-color); }
.router-iface-mac { font-size: 11px; color: var(--text-secondary); font-family: monospace; }
.router-iface-addrs { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.router-addr { font-size: 12px; background: var(--addr-bg); padding: 2px 6px; border-radius: 3px; font-family: monospace; }
.router-iface-role { min-width: 80px; text-align: center; }
.router-iface-actions { margin-left: auto; }

.router-wan-row, .router-lan-row, .router-nat-row, .router-route-row {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-bottom: 1px solid var(--border);
    font-size: 13px; flex-wrap: wrap;
}
.router-wan-row:last-child, .router-lan-row:last-child,
.router-nat-row:last-child, .router-route-row:last-child { border-bottom: none; }
/* ===== IDE File Editor ===== */
.ide-layout { display: flex; height: calc(100vh - var(--header-height) - 24px); gap: 6px; }
.ide-sidebar { width: 240px; flex-shrink: 0; background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px; display: flex; flex-direction: column; overflow: hidden; }
.ide-sidebar-header { padding: 6px 8px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.ide-tree { flex: 1; overflow-y: auto; padding: 4px 0; }
.ide-main { flex: 1; display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: #1e1e1e; min-width: 0; }
.ide-toolbar { display: flex; align-items: center; gap: 4px; padding: 4px 8px; background: #252526; border-bottom: 1px solid #3e3e42; flex-shrink: 0; flex-wrap: wrap; }
.ide-toolbar .btn { background: #3c3c3c; color: #ccc; border-color: #555; height: 26px; }
.ide-toolbar .btn:hover { background: #505050; color: #fff; border-color: #777; }
.ide-toolbar .btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.ide-toolbar .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.ide-toolbar-sep { width: 1px; height: 18px; background: #555; margin: 0 2px; }
.ide-tabs { display: flex; background: #2d2d2d; border-bottom: 1px solid #1e1e1e; flex-shrink: 0; overflow-x: auto; }
.ide-tab { display: flex; align-items: center; gap: 4px; padding: 5px 10px; background: #2d2d2d; color: #969696; cursor: pointer; border-right: 1px solid #1e1e1e; font-size: 12px; white-space: nowrap; }
.ide-tab:hover { background: #373737; }
.ide-tab.active { background: #1e1e1e; color: #fff; }
.ide-tab-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--warning); flex-shrink: 0; }
.ide-tab-close { opacity: 0.5; font-size: 14px; line-height: 1; }
.ide-tab-close:hover { opacity: 1; color: var(--danger); }
.ide-editor { flex: 1; overflow: hidden; }
.ide-statusbar { display: flex; align-items: center; gap: 12px; padding: 2px 12px; background: #007acc; color: #fff; font-size: 11px; flex-shrink: 0; }
.ide-statusbar-item { cursor: pointer; padding: 0 4px; }
.ide-statusbar-item:hover { background: rgba(255,255,255,0.15); }
.ide-statusbar-spacer { flex: 1; }
.tree-item { display: flex; align-items: center; gap: 2px; padding: 2px 8px; cursor: pointer; font-size: 12px; white-space: nowrap; user-select: none; }
.tree-item:hover { background: var(--tree-hover-bg); }
.tree-item.selected { background: var(--tree-selected-bg); }
.tree-item-icon { width: 16px; text-align: center; flex-shrink: 0; }
.tree-item-arrow { width: 12px; text-align: center; flex-shrink: 0; color: var(--text-secondary); }
.tree-item-name { overflow: hidden; text-overflow: ellipsis; }
.tree-children { margin-left: 14px; }
.tree-loading { padding: 4px 8px; font-size: 11px; color: var(--text-secondary); }
/* ===== 日志查看器弹窗 ===== */
.log-viewer-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
}
.log-viewer-box {
    width: 90vw; min-width: 1200px; height: 90vh; min-height: 800px;
    background: var(--card-bg);
    border-radius: 8px; display: flex; overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.log-viewer-sidebar {
    width: 200px; flex-shrink: 0; background: var(--sidebar-list-bg);
    border-right: 1px solid var(--border); display: flex; flex-direction: column;
}
.log-viewer-sidebar-header {
    padding: 10px 12px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    font-weight: bold; font-size: 13px;
}
.log-viewer-close { cursor: pointer; font-size: 18px; color: var(--text-secondary); }
.log-viewer-close:hover { color: var(--danger); }
.log-viewer-sidebar-list { flex: 1; overflow-y: auto; padding: 4px 0; }
.log-viewer-sidebar-item {
    padding: 6px 12px; cursor: pointer; font-size: 12px;
    display: flex; align-items: center; gap: 6px; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
}
.log-viewer-sidebar-item:hover { background: var(--log-item-hover); }
.log-viewer-sidebar-item.active { background: var(--log-item-active); color: var(--primary); font-weight: bold; }
.log-viewer-sidebar-divider { height: 1px; background: var(--border); margin: 4px 8px; }
.log-icon { flex-shrink: 0; }

.log-viewer-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.log-viewer-toolbar {
    padding: 8px 12px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 4px; flex-shrink: 0;
}
.log-viewer-toolbar-left { display: flex; align-items: center; gap: 4px; }
.log-viewer-toolbar-right { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.log-toolbar-select {
    height: 28px; padding: 0 6px; border: 1px solid var(--border);
    border-radius: 4px; font-size: 12px; background: var(--card-bg);
}
.log-toolbar-date {
    height: 28px; padding: 0 6px; border: 1px solid var(--border);
*   border-radius: 4px; font-size: 12px; background: var(--card-bg);
}
.log-toolbar-search {
    height: 28px; padding: 0 8px; border: 1px solid var(--border);
    border-radius: 4px; font-size: 12px; width: 120px; background: var(--card-bg);
}
.log-toolbar-search-wide {
    height: 28px; padding: 0 8px; border: 1px solid var(--border);
    border-radius: 4px; font-size: 12px; width: 240px; background: var(--card-bg);
}
.log-toolbar-datetime {
    height: 28px; padding: 0 4px; border: 1px solid var(--border);
    border-radius: 4px; font-size: 12px; background: var(--card-bg);
    width: 160px;
}
.log-viewer-statusbar {
    padding: 4px 12px; border-top: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    font-size: 12px; color: var(--text-secondary); background: var(--bg);
    flex-shrink: 0;
}

.log-viewer-content {
    flex: 1; overflow-y: auto; background: #1e1e1e; padding: 4px 0;
    font-family: 'Consolas', 'Monaco', monospace; font-size: 12px;
}
.log-line {
    display: flex; align-items: flex-start; gap: 6px;
    padding: 1px 12px;-white-space: pre-wrap; word-break: break-all;
    border-bottom: 1px solid #2a2a2a;
}
.log-line:hover { background: #2a2a2a; }
.log-line-error { background: rgba(244,67,54,0.08); }
.log-line-error:hover { background: rgba(244,67,54,0.15); }
.log-line-warn { background: rgba(230,162,60,0.06); }
.log-line-warn:hover { background: rgba(230,162,60,0.12); }
.log-level-tag {
    flex-shrink: 0; padding: 0 4px; border-radius: 2px;
    font-size: 10px; font-weight: bold; min-width: 44px; text-align: center;
}
.log-level-error { background: #f44336; color: #fff; }
.log-level-warn { background: #e6a23c; color: #fff; }
.log-level-info { background: #409eff; color: #fff; }
.log-level-debug { background: #67c23a; color: #fff; }
.log-line-text { color: #d4d4d4; flex: 1; }
/* ===== 路由系统新界面 ===== */
/* Table - 固定表头/表尾滚动（sticky 方案） */
.data-table { width: 100%; font-size: 12px; border-collapse: collapse; }
.data-table th {
    padding: 8px; text-align: left; border-bottom: 2px solid var(--border);
    background: var(--table-header-bg); font-weight: bold; white-space: nowrap;
    position: sticky; top: 0; z-index: 10;
}
.data-table td { padding: 8px; border-bottom: 1px solid var(--border); }
.data-table tr:hover { background: rgba(32,160,255,0.04); }

/* Pagination - 分页组件（sticky 底部） */
.pagination {
    display: flex; align-items: center; gap: 4px; padding: 6px 12px;
    background: var(--table-footer-bg); border-top: 1px solid var(--border);
    font-size: 12px; position: sticky; bottom: 0; z-index: 10;
}
.pagination-info {
    color: var(--text-secondary); margin-right: auto; white-space: nowrap;
}
.pagination-btn {
    height: 26px; min-width: 26px; padding: 0 6px;
    border: 1px solid var(--border); border-radius: 4px;
    cursor: pointer; font-size: 12px; background: var(--pagination-btn-bg);
    color: var(--text); transition: all 0.2s; display: inline-flex;
    align-items: center; justify-content: center;
}
.pagination-btn:hover { border-color: var(--primary); color: var(--primary); }
.pagination-btn.active {
    background: var(--pagination-btn-active-bg); color: var(--pagination-btn-active-color);
    border-color: var(--pagination-btn-active-bg);
}
.pagination-btn:disabled {
    opacity: 0.5; cursor: not-allowed;
}
.pagination-btn:disabled:hover { border-color: var(--border); color: var(--text); }
.pagination-jump {
    height: 26px; width: 50px; border: 1px solid var(--border);
    border-radius: 4px; text-align: center; font-size: 12px;
    outline: none; background: var(--pagination-btn-bg); color: var(--text);
}
.pagination-jump:focus { border-color: var(--primary); }
.pagination-size {
    height: 26px; border: 1px solid var(--border); border-radius: 4px;
    padding: 0 4px; font-size: 12px; background: var(--pagination-btn-bg);
    color: var(--text); outline: none;
}
.router-nav-item { user-select: none; transition: all 0.15s; }
.router-nav-item:hover { color: var(--primary) !important; }
.router-net-tab { user-select: none; transition: all 0.15s; }
.router-net-tab:hover { color: var(--primary) !important; background: var(--bg); }
.router-net-tab.active { border-left: 3px solid var(--primary); color: var(--primary); font-weight: bold; background: var(--bg); }
.traffic-chart { border: 1px solid var(--border); border-radius: 4px; background: var(--bg); }
.router-iface-card { transition: box-shadow 0.2s; }
.router-iface-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.router-tab-group .btn-primary { font-weight: bold; }
@media (max-width: 768px) {
    .router-net-sidebar { width: 120px !important; }
    .data-table { font-size: 11px; }
    .data-table th, .data-table td { padding: 4px; }
}
/* ===== 文件管理器 ===== */
#file-drop-zone { min-height: 200px; }
#file-drop-hint { border-radius: 4px; }
/* ===== 系统页面 Tab ===== */
.sys-tab-btn {
    padding: 6px 16px; border: none; background: transparent; cursor: pointer;
    font-size: 13px; color: var(--text-secondary); border-bottom: 2px solid transparent;
    transition: all 0.2s; margin-bottom: -2px;
}
.sys-tab-btn:hover { color: var(--primary); }
.sys-tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: bold; }
.sys-resource-card { transition: box-shadow 0.2s; }
.sys-resource-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.1); }
.sys-tooltip { font-size: 12px; }
/* ===== 深色模式：layui 弹窗覆盖 ===== */
[data-theme="dark"] .layui-layer {
    background: var(--card-bg) !important;
    color: var(--text) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5) !important;
}
[data-theme="dark"] .layui-layer-title {
    background: var(--header-bg) !important;
    color: var(--text) !important;
    border-bottom: 1px solid var(--border) !important;
}
[data-theme="dark"] .layui-layer-content {
    color: var(--text) !important;
    background: var(--card-bg) !important;
}
[data-theme="dark"] .layui-layer-btn {
    border-top: 1px solid var(--border) !important;
    background: var(--card-bg) !important;
}
[data-theme="dark"] .layui-layer-btn a {
    background: var(--btn-bg) !important;
    color: var(--text) !important;
    border: 1px solid var(--border) !important;
}
[data-theme="dark"] .layui-layer-btn .layui-layer-btn0 {
    background: var(--primary) !important;
    color: #fff !important;
    border-color: var(--primary) !important;
}
[data-theme="dark"] .layui-layer-close {
    color: var(--text-secondary) !important;
}
[data-theme="dark"] .layui-layer-close:hover {
    color: var(--danger) !important;
}
[data-theme="dark"] .layui-layer-ico {
    background-color: var(--card-bg) !important;
}
[data-theme="dark"] .layui-layer-page .layui-layer-content {
    background: var(--card-bg) !important;
}
[data-theme="dark"] .layui-layer-loading {
    background-color: transparent !important;
}

/* ===== 深色模式：全局表单元素 ===== */
[data-theme="dark"] input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background: var(--input-bg);
    color: var(--text);
    border-color: var(--border);
}
[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}
[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    border-color: var(--primary);
}

/* ===== 深色模式：layui 弹窗内表单 ===== */
[data-theme="dark"] .layui-layer input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
[data-theme="dark"] .layui-layer textarea,
[data-theme="dark"] .layui-layer select {
    background: var(--input-bg);
    color: var(--text);
    border-color: var(--border);
}

/* ===== 深色模式：layui msg/alert ===== */
[data-theme="dark"] .layui-layer-msg,
[data-theme="dark"] .layui-layer-dialog {
    background: var(--card-bg) !important;
    color: var(--text) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5) !important;
}
[data-theme="dark"] .layui-layer-dialog .layui-layer-content {
    color: var(--text) !important;
}