/* ============================================================
   合江县先市镇智慧平台 - 全局样式系统
   政务科技风 v3.0
   ============================================================ */

/* 设计令牌 */
:root {
  --c-primary: #2563eb;
  --c-primary-dark: #1d4ed8;
  --c-primary-light: #eff6ff;
  --c-primary-bg: #f8fafc;
  --c-primary-gradient: linear-gradient(135deg, #2563eb, #3b82f6);
  --c-success: #10b981;
  --c-success-light: #f0fdf4;
  --c-warning: #f59e0b;
  --c-warning-light: #fffbeb;
  --c-danger: #ef4444;
  --c-danger-light: #fef2f2;
  --c-info: #3b82f6;
  --c-info-light: #eff6ff;
  --c-text: #1e293b;
  --c-text-secondary: #64748b;
  --c-text-muted: #94a3b8;
  --c-border: #e2e8f0;
  --c-border-light: #f1f5f9;
  --c-bg: #f0f4f8;
  --c-card: #ffffff;
  --c-sidebar: #ffffff;
  --c-header: #ffffff;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", "Menlo", monospace;
  --transition: all 0.2s ease;
}

/* 基础重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--c-bg); color: var(--c-text); line-height: 1.5; min-height: 100vh; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { color: var(--c-primary-dark); }
img { max-width: 100%; display: block; }

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* 选中文本 */
::selection { background: var(--c-primary); color: #fff; }

/* ==================== 排版 ==================== */
.page-header { padding: 16px 0 8px; display: flex; align-items: center; justify-content: space-between; }
.page-header h2 { font-size: 18px; font-weight: 700; color: var(--c-text); }
.page-header p { font-size: 13px; color: var(--c-text-secondary); margin-top: 2px; }
.section-title { font-size: 14px; font-weight: 600; color: var(--c-text); margin: 12px 0 8px; display: flex; align-items: center; gap: 6px; }

/* ==================== 面包屑 ==================== */
.breadcrumb { font-size: 12px; color: var(--c-text-muted); padding: 8px 0; display: flex; align-items: center; gap: 4px; }
.breadcrumb a { color: var(--c-text-secondary); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb .sep { margin: 0 4px; color: #cbd5e1; }

/* ==================== 侧边栏 (正式政务版) ==================== */
.sidebar { width: 240px; background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%); border-right: 1px solid var(--c-border); display: flex; flex-direction: column; min-height: 100vh; position: fixed; left: 0; top: 0; z-index: 100; transition: width 0.3s ease; box-shadow: 1px 0 8px rgba(0,0,0,0.04); }
.sidebar.collapsed { width: 64px; }
.sidebar-logo { padding: 18px 20px 14px; border-bottom: 1px solid var(--c-border); display: flex; align-items: center; gap: 10px; }
.sidebar.collapsed .sidebar-logo { padding: 16px 12px; justify-content: center; }
.sidebar-logo .logo-icon { width: 36px; height: 36px; border-radius: 8px; background: linear-gradient(135deg, #1e3a5f, #2563eb); display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; }
.sidebar-logo .logo-icon svg { width: 20px; height: 20px; }
.sidebar-logo .logo-text h2 { font-size: 14px; color: #1e293b; font-weight: 700; margin: 0; line-height: 1.2; }
.sidebar-logo .logo-text p { font-size: 10px; color: var(--c-text-muted); margin: 2px 0 0; letter-spacing: 0.5px; }
.sidebar.collapsed .logo-text { display: none; }
.sidebar.collapsed .sidebar-logo .toggle-btn { margin: 0 auto; }

.sidebar-menu { flex: 1; overflow-y: auto; padding: 6px 0; }
/* 分组标题 - 更正式：左侧加蓝色竖条 */
.sidebar-menu .menu-group { 
  padding: 20px 20px 6px; font-size: 11px; font-weight: 700; 
  letter-spacing: 1px; color: #94a3b8; 
  display: flex; align-items: center; gap: 8px;
  text-transform: uppercase;
}
.sidebar-menu .menu-group::before { 
  content: ''; display: inline-block; width: 3px; height: 12px; 
  background: linear-gradient(180deg, #2563eb, #3b82f6); 
  border-radius: 2px; flex-shrink: 0; 
}
.sidebar.collapsed .sidebar-menu .menu-group { display: none; }
.sidebar-menu a { 
  display: flex; align-items: center; gap: 10px; 
  padding: 10px 20px; color: #475569; text-decoration: none; 
  font-size: 13px; transition: all 0.2s ease; 
  border-left: 3px solid transparent; margin: 1px 6px; border-radius: 0 6px 6px 0;
  position: relative;
}
.sidebar.collapsed .sidebar-menu a { padding: 12px; justify-content: center; margin: 1px 4px; border-radius: 6px; }
.sidebar.collapsed .sidebar-menu a span { display: none; }
.sidebar-menu a:hover { 
  background: linear-gradient(90deg, #eff6ff 0%, #f8fafc 100%); 
  color: #2563eb; 
}
.sidebar-menu a.active { 
  background: linear-gradient(90deg, #eff6ff 0%, #ffffff 100%); 
  color: #2563eb; border-left-color: #2563eb; font-weight: 600;
  box-shadow: inset 0 1px 3px rgba(37,99,235,0.06);
}
.sidebar.collapsed .sidebar-menu a.active { border-left-color: transparent; background: #eff6ff; }
.sidebar-menu a svg { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.2s; }
.sidebar-menu a:hover svg { transform: scale(1.1); }
.sidebar.collapsed .sidebar-menu a svg { width: 20px; height: 20px; }
/* 菜单项图标配色 - 按分组区分 */
.sidebar-menu a[data-group="core"] svg { color: #2563eb; }
.sidebar-menu a[data-group="data"] svg { color: #059669; }
.sidebar-menu a[data-group="system"] svg { color: #d97706; }
.sidebar-footer { 
  padding: 12px 20px; border-top: 1px solid var(--c-border); 
  font-size: 11px; color: #94a3b8; 
  background: linear-gradient(0deg, #f8fafc 0%, transparent 100%);
}
.sidebar.collapsed .sidebar-footer { display: none; }

/* ==================== 顶部栏 ==================== */
.topbar { background: var(--c-header); border-bottom: 1px solid var(--c-border); padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 56px; }
.topbar-left { display: flex; align-items: center; gap: 12px; flex: 1; }
.topbar-left .breadcrumb-nav { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--c-text-muted); }
.topbar-left .breadcrumb-nav a { color: var(--c-text-secondary); }
.topbar-left .breadcrumb-nav a:hover { color: var(--c-primary); }
.topbar-left .breadcrumb-nav .current { color: var(--c-text); font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 16px; font-size: 13px; }
.topbar-right .user-info { display: flex; align-items: center; gap: 8px; color: var(--c-text-secondary); }
.topbar-right .user-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--c-primary-light); color: var(--c-primary); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; }
.topbar-right .user-role { display: inline-block; padding: 2px 10px; border-radius: var(--radius-full); font-size: 11px; border: 1px solid var(--c-border); color: var(--c-text-secondary); }
.topbar-right .logout-btn { padding: 5px 14px; border: 1px solid var(--c-border); border-radius: var(--radius-md); font-size: 12px; cursor: pointer; transition: var(--transition); background: transparent; color: var(--c-text-secondary); }
.topbar-right .logout-btn:hover { background: var(--c-danger-light); border-color: var(--c-danger); color: var(--c-danger); }

/* ==================== 主内容区 ==================== */
.main-content { margin-left: 240px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; transition: margin-left 0.3s ease; }
.main-content.expanded { margin-left: 64px; }
.content-area { flex: 1; padding: 16px 20px; overflow: auto; }
.content-area iframe { width: 100%; height: 100%; border: none; border-radius: var(--radius-md); background: var(--c-card); box-shadow: var(--shadow-sm); min-height: calc(100vh - 90px); }

/* ==================== KPI行 ==================== */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 8px 0 16px; }
.kpi-row.kpi-5 { grid-template-columns: repeat(5, 1fr); }
.kpi-row.kpi-8 { grid-template-columns: repeat(4, 1fr); }
.kpi-card { background: var(--c-card); border-radius: var(--radius-md); padding: 18px 20px; box-shadow: var(--shadow-sm); display: flex; align-items: center; gap: 14px; cursor: pointer; transition: var(--transition); }
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.kpi-card:active { transform: scale(0.97); }
.kpi-card .kpi-icon { width: 42px; height: 42px; border-radius: var(--radius-sm); background: var(--c-primary-light); color: var(--c-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.kpi-card .kpi-icon svg { width: 20px; height: 20px; }
.kpi-card .kpi-info { flex: 1; min-width: 0; }
.kpi-card .kpi-label { font-size: 12px; color: var(--c-text-secondary); margin-bottom: 4px; }
.kpi-card .kpi-value { font-size: 22px; font-weight: 700; color: var(--c-text); font-family: var(--font-mono); }
.kpi-card .kpi-unit { font-size: 12px; color: var(--c-text-muted); margin-left: 2px; font-weight: 400; }

/* ==================== 统计卡片（登录页用） ==================== */
.stat-card { background: rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: 20px 24px; text-align: center; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: #fff; font-family: var(--font-mono); }
.stat-card .stat-label { font-size: 12px; color: rgba(255,255,255,0.7); margin-top: 4px; }

/* ==================== 登录页布局 ==================== */
.login-page { display: flex; min-height: 100vh; background: var(--c-bg); }
.login-left { flex: 0 0 55%; background: linear-gradient(160deg, #1a2332 0%, #2563eb 50%, #3b82f6 100%); padding: 60px 60px 40px; display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.login-left::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 50%, rgba(37,99,235,0.15) 0%, transparent 70%); pointer-events: none; }
.login-right { flex: 0 0 45%; display: flex; align-items: center; justify-content: center; padding: 40px; background: var(--c-card); }
.logo-area { display: flex; align-items: center; gap: 14px; margin-bottom: 40px; }
.logo-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; color: #fff; }
.logo-icon svg { width: 26px; height: 26px; }
.logo-text h1 { font-size: 20px; font-weight: 700; color: #fff; margin: 0; }
.logo-text p { font-size: 11px; color: rgba(255,255,255,0.6); letter-spacing: 2px; margin: 2px 0 0; }
.hero-title { font-size: 32px; font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 12px; }
.hero-desc { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.6; margin-bottom: 32px; }
.stat-row { display: flex; gap: 16px; }
/* 登录卡片 */
.login-card { width: 100%; max-width: 380px; }
.login-card h2 { font-size: 22px; font-weight: 700; color: var(--c-text); margin-bottom: 6px; }
.login-card p { font-size: 13px; color: var(--c-text-secondary); margin-bottom: 28px; }
.login-form { display: flex; flex-direction: column; gap: 18px; }
.login-form .form-group { display: flex; flex-direction: column; gap: 6px; }
.login-form .form-group label { font-size: 13px; font-weight: 500; color: var(--c-text); }
.login-form .form-group input { padding: 11px 14px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); font-size: 14px; outline: none; transition: border-color .2s; }
.login-form .form-group input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.login-error { font-size: 12px; color: var(--c-danger); min-height: 18px; }
.login-btn { padding: 12px; background: var(--c-primary); color: #fff; border: none; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; cursor: pointer; transition: all .2s; }
.login-btn:hover { background: var(--c-primary-dark); }
.login-btn:active { transform: scale(0.98); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.login-hint { font-size: 11px; color: var(--c-text-muted); text-align: center; margin-top: 16px; line-height: 1.5; }

/* ==================== 面板卡片 ==================== */
.panel-card { background: var(--c-card); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin-bottom: 14px; overflow: hidden; }
.panel-title { font-size: 14px; font-weight: 600; padding: 14px 18px; border-bottom: 1px solid var(--c-border-light); display: flex; align-items: center; gap: 6px; color: var(--c-text); }
.panel-title svg { width: 15px; height: 15px; color: var(--c-primary); flex-shrink: 0; }
.panel-body { padding: 14px 18px; }
.panel-body:empty { padding: 0; }

/* ==================== 导航Tab ==================== */
.mod-nav { display: flex; gap: 2px; background: var(--c-bg); border-radius: var(--radius-md); padding: 3px; margin-bottom: 14px; flex-wrap: wrap; }
.mod-nav a, .mod-nav button { padding: 7px 16px; border-radius: var(--radius-sm); font-size: 13px; color: var(--c-text-secondary); background: transparent; border: none; cursor: pointer; transition: var(--transition); font-weight: 500; white-space: nowrap; }
.mod-nav a:hover, .mod-nav button:hover { color: var(--c-text); background: var(--c-card); }
.mod-nav a.active, .mod-nav button.active { background: var(--c-primary); color: #fff; font-weight: 600; box-shadow: var(--shadow-sm); }

/* ==================== 表格 ==================== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
table thead th { text-align: left; padding: 10px 12px; font-weight: 600; color: var(--c-text-secondary); font-size: 12px; border-bottom: 2px solid var(--c-border); background: var(--c-bg); white-space: nowrap; }
table tbody td { padding: 10px 12px; border-bottom: 1px solid var(--c-border-light); color: var(--c-text); }
table tbody tr { transition: var(--transition); }
table tbody tr:hover td { background: var(--c-primary-light); }
table tbody tr:active { background: #dbeafe; }
table tbody tr.cursor-pointer { cursor: pointer; }

/* ==================== 按钮 ==================== */
.btn { display: inline-flex; align-items: center; gap: 4px; padding: 7px 16px; border-radius: var(--radius-md); font-size: 13px; font-weight: 500; border: 1px solid var(--c-border); background: var(--c-card); color: var(--c-text); cursor: pointer; transition: var(--transition); }
.btn:hover { border-color: #cbd5e1; background: var(--c-bg); }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.btn-primary:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-text { border: none; background: transparent; color: var(--c-primary); padding: 4px 8px; }
.btn-text:hover { background: var(--c-primary-light); }

/* ==================== 标签 ==================== */
.tag { display: inline-block; padding: 2px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 500; background: var(--c-bg); color: var(--c-text-secondary); }
.tag-success { background: #dcfce7; color: #16a34a; }
.tag-warn { background: #fef9c3; color: #ca8a04; }
.tag-danger { background: #fecaca; color: #dc2626; }
.tag-info { background: #dbeafe; color: #2563eb; }
.tag-purple { background: #e9d5ff; color: #9333ea; }
.tag-secondary { background: #f1f5f9; color: #64748b; }

/* ==================== 弹窗 ==================== */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(15, 23, 42, 0.5); z-index: 9999; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal-box { background: var(--c-card); border-radius: var(--radius-lg); max-width: 90vw; max-height: 85vh; width: 680px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; animation: modalIn 0.2s ease; }
.modal-box.modal-lg { width: 900px; }
.modal-box.modal-sm { width: 440px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--c-border-light); }
.modal-head h3 { font-size: 15px; font-weight: 600; }
.modal-head .close-btn { width: 28px; height: 28px; border-radius: 50%; border: none; background: transparent; color: var(--c-text-muted); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); font-size: 18px; }
.modal-head .close-btn:hover { background: var(--c-bg); color: var(--c-text); }
.modal-body { padding: 16px 20px; overflow-y: auto; flex: 1; max-height: 65vh; }
.modal-body .detail-row { display: flex; padding: 6px 0; border-bottom: 1px solid var(--c-border-light); font-size: 13px; }
.modal-body .detail-row:last-child { border-bottom: none; }
.modal-body .detail-label { width: 120px; color: var(--c-text-secondary); flex-shrink: 0; }
.modal-body .detail-value { flex: 1; color: var(--c-text); font-weight: 500; }
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }

/* ==================== 筛选栏 ==================== */
.filter-bar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.filter-bar select, .filter-bar input { padding: 6px 10px; border: 1px solid var(--c-border); border-radius: var(--radius-md); font-size: 12px; color: var(--c-text); background: var(--c-card); outline: none; }
.filter-bar select:focus, .filter-bar input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.base-filter { display: flex; gap: 4px; flex-wrap: wrap; }
.base-filter-btn { padding: 5px 12px; border-radius: var(--radius-full); font-size: 12px; border: 1px solid var(--c-border); background: var(--c-card); color: var(--c-text-secondary); cursor: pointer; transition: var(--transition); }
.base-filter-btn:hover { border-color: var(--c-primary); color: var(--c-primary); }
.base-filter-btn.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ==================== 空状态 ==================== */
.empty-state { text-align: center; padding: 40px 20px; color: var(--c-text-muted); font-size: 14px; }
.empty-state svg { width: 40px; height: 40px; margin-bottom: 8px; color: #cbd5e1; }

/* ==================== 动画 ==================== */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.3s ease; }
.slide-up { animation: slideUp 0.3s ease; }

/* ==================== 布局辅助 ==================== */
.main-grid { display: grid; grid-template-columns: 320px 1fr; gap: 14px; margin-bottom: 14px; }
.main-grid.col-2 { grid-template-columns: 1fr 1fr; }
.main-grid.col-3 { grid-template-columns: 1fr 1fr 1fr; }
.full-width { grid-column: 1 / -1; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-item { text-align: center; padding: 14px; background: var(--c-bg); border-radius: var(--radius-md); }
.stat-item .stat-value { font-size: 20px; font-weight: 700; color: var(--c-text); font-family: var(--font-mono); }
.stat-item .stat-label { font-size: 11px; color: var(--c-text-muted); margin-top: 2px; }
.grid-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.grid-item { background: var(--c-bg); border-radius: var(--radius-md); padding: 14px; cursor: pointer; transition: var(--transition); border: 1px solid transparent; }
.grid-item:hover { border-color: var(--c-border); background: var(--c-card); }
.grid-item:active { transform: scale(0.98); }
.chart-container { width: 100%; height: 240px; }
.chart-container.chart-sm { height: 160px; }

/* ==================== 页面Section ==================== */
.section { display: none; }
.section.active { display: block; }

/* ==================== 子KPI ==================== */
.sub-kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 10px 0; }
.sub-kpi-item { text-align: center; padding: 10px 8px; background: var(--c-bg); border-radius: var(--radius-md); cursor: pointer; transition: var(--transition); }
.sub-kpi-item:hover { background: var(--c-primary-light); }
.sub-kpi-item .num { font-size: 18px; font-weight: 700; font-family: var(--font-mono); }
.sub-kpi-item .label { font-size: 11px; color: var(--c-text-muted); margin-top: 2px; }

/* ==================== 预警列表 ==================== */
.alert-list { list-style: none; }
.alert-list li { display: flex; align-items: flex-start; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--c-border-light); cursor: pointer; transition: var(--transition); }
.alert-list li:last-child { border-bottom: none; }
.alert-list li:hover { background: var(--c-primary-light); margin: 0 -12px; padding: 12px; border-radius: var(--radius-sm); }
.alert-list .alert-level { width: 4px; height: 36px; border-radius: 2px; flex-shrink: 0; }
.alert-list .alert-info { background: var(--c-primary); }
.alert-list .alert-warn { background: var(--c-warning); }
.alert-list .alert-danger { background: var(--c-danger); }
.alert-list .alert-content { flex: 1; min-width: 0; }
.alert-list .alert-title { font-size: 13px; color: var(--c-text); font-weight: 500; }
.alert-list .alert-meta { font-size: 11px; color: var(--c-text-muted); margin-top: 2px; }
.alert-list .alert-status { flex-shrink: 0; }

/* ==================== 登录页 ==================== */
.login-page { min-height: 100vh; display: flex; }
.login-left { width: 55%; background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 50%, #3b82f6 100%); display: flex; flex-direction: column; justify-content: center; padding: 60px; position: relative; overflow: hidden; }
.login-left::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.login-left .logo-area { margin-bottom: 40px; display: flex; align-items: center; gap: 14px; }
.login-left .logo-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 24px; }
.login-left .logo-icon svg { width: 26px; height: 26px; }
.login-left .logo-text { color: #fff; }
.login-left .logo-text h1 { font-size: 22px; font-weight: 700; margin: 0; }
.login-left .logo-text p { font-size: 11px; opacity: 0.7; margin: 2px 0 0; letter-spacing: 1px; }
.login-left .hero-title { font-size: 32px; font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 12px; }
.login-left .hero-desc { font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.6; margin-bottom: 40px; max-width: 480px; }
.login-left .stat-row { display: flex; gap: 20px; }
.login-left .stat-row .stat-card { flex: 1; background: rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: 20px; text-align: center; backdrop-filter: blur(10px); }
.login-left .stat-row .stat-card .num { font-size: 28px; font-weight: 700; color: #fff; font-family: var(--font-mono); }
.login-left .stat-row .stat-card .label { font-size: 12px; color: rgba(255,255,255,0.7); margin-top: 4px; }
.login-right { width: 45%; display: flex; align-items: center; justify-content: center; background: #fff; padding: 40px; }
.login-card { width: 100%; max-width: 400px; }
.login-card h2 { font-size: 22px; font-weight: 700; color: var(--c-text); margin-bottom: 4px; }
.login-card p { font-size: 13px; color: var(--c-text-muted); margin-bottom: 32px; }
.login-card .form-group { margin-bottom: 20px; }
.login-card .form-group label { display: block; font-size: 13px; color: var(--c-text-secondary); font-weight: 500; margin-bottom: 6px; }
.login-card .form-group input { width: 100%; padding: 10px 14px; border: 1px solid var(--c-border); border-radius: var(--radius-md); font-size: 14px; outline: none; transition: var(--transition); }
.login-card .form-group input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.login-card .login-btn { width: 100%; padding: 11px; background: var(--c-primary); color: #fff; border: none; border-radius: var(--radius-md); font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition); margin-top: 8px; }
.login-card .login-btn:hover { background: var(--c-primary-dark); }
.login-card .login-btn:active { transform: scale(0.97); }
.login-card .login-error { color: var(--c-danger); font-size: 13px; text-align: center; min-height: 20px; margin-bottom: 8px; }
.login-card .login-hint { text-align: center; font-size: 12px; color: var(--c-text-muted); margin-top: 20px; padding: 12px; background: var(--c-bg); border-radius: var(--radius-md); }

/* ==================== 响应式 ==================== */
@media (max-width: 1200px) {
  .main-grid { grid-template-columns: 1fr; }
  .main-grid.col-2 { grid-template-columns: 1fr; }
  .main-grid.col-3 { grid-template-columns: 1fr 1fr; }
  .login-left { width: 50%; padding: 40px; }
  .login-right { width: 50%; }
}
@media (max-width: 900px) {
  .login-page { flex-direction: column; }
  .login-left { width: 100%; padding: 40px 24px; min-height: auto; }
  .login-right { width: 100%; padding: 24px; }
  .login-left .hero-title { font-size: 24px; }
  .login-left .stat-row { gap: 12px; }
  .login-left .stat-row .stat-card { padding: 14px; }
  .login-left .stat-row .stat-card .num { font-size: 22px; }
}
@media (max-width: 768px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .kpi-row.kpi-5 { grid-template-columns: repeat(2, 1fr); }
  .kpi-row.kpi-8 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr; }
  .sub-kpi-row { grid-template-columns: repeat(2, 1fr); }
  .modal-box { max-width: 95vw; width: 95vw; }
  .main-grid.col-3 { grid-template-columns: 1fr; }
}