/* ========== 全局变量 ========== */
:root {
    --primary: #4A6CF7;
    --primary-dark: #3B5BDB;
    --primary-light: #E8EDFE;
    --primary-bg: #F0F4FF;
    --success: #10B981;
    --success-bg: #ECFDF5;
    --warning: #F59E0B;
    --warning-bg: #FFFBEB;
    --danger: #EF4444;
    --danger-bg: #FEF2F2;
    --info: #06B6D4;
    --info-bg: #ECFEFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --sidebar-width: 240px;
    --sidebar-collapsed: 64px;
    --topbar-height: 56px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

/* ========== Reset ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: var(--gray-800);
    background: var(--gray-100);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
input, select, textarea, button { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; }

/* ========== 登录页 ========== */
.login-page {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}
.login-page::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    top: -200px; right: -100px;
}
.login-page::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    bottom: -100px; left: -50px;
}
.login-box {
    width: 420px;
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    position: relative;
    z-index: 1;
}
.login-header { text-align: center; margin-bottom: 32px; }
.login-logo { display: flex; justify-content: center; margin-bottom: 16px; }
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--primary), #764ba2);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    border-radius: 16px;
    letter-spacing: 1px;
}
.login-header h1 { font-size: 20px; color: var(--gray-800); margin-bottom: 4px; }
.login-header p { font-size: 13px; color: var(--gray-500); }
.login-form .form-group { margin-bottom: 20px; }
.login-form .form-group label { display: block; font-size: 13px; color: var(--gray-600); margin-bottom: 6px; font-weight: 500; }
.login-form .form-group input {
    width: 100%;
    height: 42px;
    padding: 0 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: 8px;
    transition: border-color 0.2s;
}
.login-form .form-group input:focus { border-color: var(--primary); }
.btn-login {
    width: 100%;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 4px;
    transition: opacity 0.2s;
}
.btn-login:hover { opacity: 0.9; }
.login-roles {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: var(--gray-400);
}
.login-roles a { margin: 0 6px; }
.login-footer {
    text-align: center;
    margin-top: 28px;
    font-size: 12px;
    color: var(--gray-400);
}

/* ========== 主框架 ========== */
.main-app { display: flex; height: 100vh; overflow: hidden; }

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: #1E293B;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width 0.3s ease;
    overflow: hidden;
}
.sidebar.collapsed { width: var(--sidebar-collapsed); }
.sidebar-logo {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}
.logo-text {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    white-space: nowrap;
}
.sidebar.collapsed .logo-text { font-size: 14px; letter-spacing: 0; }
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 0;
}
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.nav-group { margin-bottom: 4px; }
.nav-group-title {
    padding: 8px 20px;
    font-size: 11px;
    color: rgba(255,255,255,0.35);
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}
.sidebar.collapsed .nav-group-title { text-align: center; padding: 8px 0; font-size: 9px; }
.nav-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: rgba(255,255,255,0.65);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    position: relative;
}
.nav-item:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-item.active { color: #fff; background: var(--primary); }
.nav-item .nav-icon {
    width: 20px; height: 20px;
    flex-shrink: 0;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav-item .nav-icon svg { width: 18px; height: 18px; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 10px 0; }
.sidebar.collapsed .nav-item .nav-text { display: none; }
.nav-item .nav-text { font-size: 13px; }
.nav-item .nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 10px;
}
.sidebar.collapsed .nav-item .nav-badge { display: none; }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}
.backup-status {
    margin-top: 8px;
    padding: 6px 10px;
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sidebar.collapsed .backup-status { display: none; }
.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 4px;
    border-radius: 8px;
    transition: background 0.15s;
}
.user-info:hover { background: rgba(255,255,255,0.06); }
.sidebar.collapsed .user-detail { display: none; }
.user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}
.user-detail { overflow: hidden; }
.user-name { color: #fff; font-size: 13px; font-weight: 500; }
.user-role { color: rgba(255,255,255,0.5); font-size: 11px; }

/* 主内容 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* 顶部栏 */
.topbar {
    height: var(--topbar-height);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    border-bottom: 1px solid var(--gray-200);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.btn-toggle {
    background: none;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.15s;
}
.btn-toggle:hover { background: var(--gray-100); color: var(--gray-700); }
.breadcrumb { font-size: 15px; font-weight: 600; color: var(--gray-800); }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-search {
    position: relative;
    display: flex;
    align-items: center;
}
.topbar-search input {
    width: 240px;
    height: 34px;
    padding: 0 12px 0 36px;
    background: var(--gray-100);
    border-radius: 8px;
    font-size: 13px;
    transition: all 0.2s;
}
.topbar-search input:focus { background: #fff; box-shadow: 0 0 0 2px var(--primary-light); }
.topbar-search svg {
    position: absolute;
    left: 12px;
    color: var(--gray-400);
}
.topbar-icons { display: flex; align-items: center; gap: 8px; }
.icon-badge {
    position: relative;
    width: 36px; height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    color: var(--gray-500);
    transition: all 0.15s;
}
.icon-badge:hover { background: var(--gray-100); color: var(--gray-700); }
.badge-dot {
    position: absolute;
    top: 4px; right: 4px;
    min-width: 16px; height: 16px;
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    font-weight: 600;
}
.topbar-user {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--gray-700);
    transition: background 0.15s;
}
.topbar-user:hover { background: var(--gray-100); }

/* 页面内容 */
.page-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--gray-100);
}
.page-content::-webkit-scrollbar { width: 6px; }
.page-content::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }

/* ========== 通用组件 ========== */

/* 页面标题 */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.page-title { font-size: 18px; font-weight: 700; color: var(--gray-800); }
.page-subtitle { font-size: 13px; color: var(--gray-500); margin-top: 2px; }
.page-actions { display: flex; gap: 8px; }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s;
    white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.9; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-default { background: #fff; color: var(--gray-600); border: 1px solid var(--gray-200); }
.btn-default:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }
.btn-xs { height: 24px; padding: 0 8px; font-size: 12px; }
.btn-text { background: none; color: var(--primary); padding: 0 4px; height: auto; }
.btn-text:hover { color: var(--primary-dark); }
.btn-text.danger { color: var(--danger); }
.btn-text.warning { color: var(--warning); }

/* 卡片 */
.card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-title { font-size: 15px; font-weight: 600; color: var(--gray-800); }
.card-body { padding: 20px; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.data-table th {
    background: var(--gray-50);
    color: var(--gray-600);
    font-weight: 600;
    text-align: left;
    padding: 10px 14px;
    white-space: nowrap;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
}
.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    white-space: nowrap;
}
.data-table tbody tr:hover { background: var(--gray-50); }
.data-table .actions { display: flex; gap: 4px; position: relative; z-index: 1; }
.data-table .actions button { position: relative; pointer-events: auto; }

/* 状态标签 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.5;
}
.tag-success { background: var(--success-bg); color: var(--success); }
.tag-warning { background: var(--warning-bg); color: var(--warning); }
.tag-danger { background: var(--danger-bg); color: var(--danger); }
.tag-info { background: var(--info-bg); color: var(--info); }
.tag-primary { background: var(--primary-light); color: var(--primary); }
.tag-default { background: var(--gray-100); color: var(--gray-500); }

/* 等级标签 */
.grade-a { background: #FEF3C7; color: #D97706; }
.grade-b { background: #DBEAFE; color: #2563EB; }
.grade-c { background: var(--gray-100); color: var(--gray-500); }

/* 筛选栏 */
.filter-bar {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 14px 20px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}
.filter-item { display: flex; align-items: center; gap: 6px; }
.filter-item label { font-size: 13px; color: var(--gray-500); white-space: nowrap; }
.filter-item input, .filter-item select {
    height: 32px;
    padding: 0 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: #fff;
    min-width: 120px;
}
.filter-item input:focus, .filter-item select:focus { border-color: var(--primary); }

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-top: 1px solid var(--gray-100);
}
.pagination-info { font-size: 13px; color: var(--gray-500); display: flex; align-items: center; gap: 8px; }
.pagination-btns { display: flex; gap: 4px; }
.page-size-select { height: 28px; border: 1px solid var(--gray-200); border-radius: var(--radius-sm); font-size: 12px; color: var(--gray-600); background: #fff; cursor: pointer; }
.page-btn {
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: #fff;
    font-size: 13px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.page-btn:hover:not(.disabled) { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn.disabled { opacity: 0.4; cursor: not-allowed; }

/* KPI 卡片 */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.kpi-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: transform 0.15s, box-shadow 0.15s;
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.kpi-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.kpi-icon svg { width: 24px; height: 24px; }
.kpi-icon.blue { background: var(--primary-light); color: var(--primary); }
.kpi-icon.green { background: var(--success-bg); color: var(--success); }
.kpi-icon.orange { background: var(--warning-bg); color: var(--warning); }
.kpi-icon.red { background: var(--danger-bg); color: var(--danger); }
.kpi-icon.cyan { background: var(--info-bg); color: var(--info); }
.kpi-icon.purple { background: #F3E8FF; color: #8B5CF6; }
.kpi-content { flex: 1; min-width: 0; }
.kpi-label { font-size: 13px; color: var(--gray-500); margin-bottom: 4px; }
.kpi-value { font-size: 26px; font-weight: 700; color: var(--gray-800); line-height: 1.2; }
.kpi-value .unit { font-size: 13px; font-weight: 400; color: var(--gray-400); margin-left: 4px; }
.kpi-trend { font-size: 12px; margin-top: 6px; display: flex; align-items: center; gap: 4px; }
.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }

/* 图表网格 */
.chart-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}
.chart-grid.full { grid-template-columns: 1fr; }
.chart-container { height: 300px; }
.chart-container.sm { height: 240px; }

/* 业务流程可视化条 */
.biz-flow-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
    flex-wrap: nowrap;
    overflow-x: auto;
}
.biz-flow-step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
    flex-shrink: 0;
}
.biz-flow-step:hover {
    background: #fff;
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.biz-flow-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.biz-flow-icon svg { width: 20px; height: 20px; }
.biz-flow-info { display: flex; flex-direction: column; }
.biz-flow-count { font-size: 20px; font-weight: 700; line-height: 1.2; color: var(--gray-800); }
.biz-flow-label { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
.biz-flow-arrow {
    font-size: 18px;
    color: var(--gray-300);
    flex-shrink: 0;
    font-weight: 300;
}
@media (max-width: 1200px) {
    .biz-flow-bar { overflow-x: auto; }
    .biz-flow-step { padding: 10px 12px; }
}

/* 表单 */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}
.form-row.full { grid-template-columns: 1fr; }
.form-row.triple { grid-template-columns: repeat(3, 1fr); }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 13px; color: var(--gray-600); font-weight: 500; }
.form-field label .required { color: var(--danger); margin-left: 2px; }
.form-field input, .form-field select, .form-field textarea {
    height: 36px;
    padding: 0 12px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: border-color 0.2s;
    background: #fff;
}
.form-field textarea { height: auto; padding: 8px 12px; min-height: 80px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--primary); }

/* 模态框 */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-box {
    background: #fff;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 640px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    animation: slideUp 0.25s;
}
.modal-box.lg { max-width: 860px; }
.modal-box.xl { max-width: 1100px; }
.modal-box.sm { max-width: 460px; }
@keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}
.modal-title { font-size: 16px; font-weight: 600; color: var(--gray-800); }
.modal-close {
    background: none;
    color: var(--gray-400);
    font-size: 22px;
    line-height: 1;
    padding: 4px;
}
.modal-close:hover { color: var(--gray-600); }
.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}
.modal-footer {
    padding: 12px 24px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    flex-shrink: 0;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 12px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    min-width: 280px;
    animation: slideInRight 0.25s;
    border-left: 4px solid var(--primary);
}
@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast .toast-icon { font-size: 18px; }

/* 详情页 */
.detail-header {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}
.detail-title { font-size: 18px; font-weight: 700; color: var(--gray-800); margin-bottom: 4px; }
.detail-meta { display: flex; gap: 20px; font-size: 13px; color: var(--gray-500); flex-wrap: wrap; }
.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.detail-grid .form-field { margin-bottom: 0; }
.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.detail-item .label { font-size: 12px; color: var(--gray-400); }
.detail-item .value { font-size: 14px; color: var(--gray-800); font-weight: 500; }

/* 时间线 */
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--gray-200);
}
.timeline-item { position: relative; margin-bottom: 20px; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 4px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px var(--primary);
}
.timeline-time { font-size: 12px; color: var(--gray-400); margin-bottom: 2px; }
.timeline-content { font-size: 13px; color: var(--gray-700); }
.timeline-title { font-weight: 600; margin-bottom: 2px; }

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}
.empty-state svg { width: 64px; height: 64px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* 统计行 */
.stat-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}
.stat-mini {
    flex: 1;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}
.stat-mini .stat-label { font-size: 12px; color: var(--gray-500); margin-bottom: 4px; }
.stat-mini .stat-value { font-size: 20px; font-weight: 700; color: var(--gray-800); }
.stat-mini .stat-sub { font-size: 11px; color: var(--gray-400); margin-top: 2px; }

/* 进度条 */
.progress-bar {
    height: 6px;
    background: var(--gray-100);
    border-radius: 3px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

/* 标签页 */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-100);
    margin-bottom: 16px;
}
.tab-item {
    padding: 10px 20px;
    font-size: 14px;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
    font-weight: 500;
}
.tab-item:hover { color: var(--gray-700); }
.tab-item.active { color: var(--primary); border-bottom-color: var(--primary); }

/* 头像 */
.avatar-sm {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    min-width: 160px;
    z-index: 100;
    overflow: hidden;
    display: none;
}
.dropdown-menu.show { display: block; }
.dropdown-item {
    padding: 8px 16px;
    font-size: 13px;
    color: var(--gray-700);
    cursor: pointer;
    transition: background 0.15s;
}
.dropdown-item:hover { background: var(--gray-50); }

/* 开关组件 */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
    position: absolute; cursor: pointer; inset: 0;
    background: var(--gray-300); border-radius: 24px; transition: 0.3s;
}
.switch .slider::before {
    content: ''; position: absolute; height: 18px; width: 18px;
    left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: 0.3s;
}
.switch input:checked + .slider { background: var(--success); }
.switch input:checked + .slider::before { transform: translateX(20px); }

/* 响应式 */
@media (max-width: 1200px) {
    .chart-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .sidebar { width: var(--sidebar-collapsed); }
    .sidebar .nav-text, .sidebar .nav-group-title, .sidebar .user-detail { display: none; }
    .topbar-search input { width: 140px; }
    .form-row, .form-row.triple { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .kpi-grid { grid-template-columns: 1fr; }
}