:root{
  --primary:#2f6fed; --primary-dark:#2456c9; --primary-light:#e8f0fe;
  --sidebar-bg:#1f2d3d; --sidebar-text:#c9d3e0; --sidebar-active:#2f6fed;
  --topbar-bg:#ffffff; --bg:#f3f5f9; --card:#ffffff;
  --text:#2b3a4b; --text-muted:#7a8aa0;
  --border:#e6eaf0; --green:#2ecc71; --orange:#f39c12; --red:#e74c3c; --blue:#3498db; --purple:#9b59b6;
  --radius:10px; --shadow:0 1px 3px rgba(16,30,54,.06),0 1px 2px rgba(16,30,54,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:"Microsoft YaHei","PingFang SC",-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
/* ---------- 布局 ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--sidebar-bg);color:var(--sidebar-text);position:fixed;top:0;left:0;bottom:0;z-index:100;display:flex;flex-direction:column;transition:transform .25s}
.sidebar .brand{height:60px;display:flex;align-items:center;padding:0 20px;color:#fff;font-size:18px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar .brand .logo{width:32px;height:32px;background:linear-gradient(135deg,#3b82f6,#2563eb);border-radius:8px;display:flex;align-items:center;justify-content:center;margin-right:10px;font-size:16px;color:#fff}
.sidebar nav{flex:1;overflow-y:auto;padding:12px 0}
.sidebar nav::-webkit-scrollbar{width:5px}
.sidebar nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:3px}
.sidebar .menu-group{padding:14px 20px 6px;font-size:11px;color:#5c6b7e;text-transform:uppercase;letter-spacing:.5px}
.sidebar .menu-item{display:flex;align-items:center;padding:10px 20px;color:var(--sidebar-text);cursor:pointer;transition:background .15s}
.sidebar .menu-item:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar .menu-item.active{background:var(--sidebar-active);color:#fff;font-weight:600}
.sidebar .menu-item .ico{width:22px;margin-right:10px;text-align:center;font-size:16px}
.sidebar .foot{padding:14px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#5c6b7e}
.main{flex:1;margin-left:220px;display:flex;flex-direction:column;min-height:100vh}
.topbar{height:60px;background:var(--topbar-bg);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:50;box-shadow:var(--shadow)}
.topbar .page-title{font-size:17px;font-weight:700}
.topbar .user{display:flex;align-items:center;gap:16px}
.topbar .user .avatar{width:34px;height:34px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700}
.topbar .user .name{font-weight:600}
.topbar .burger{display:none;background:none;border:none;font-size:22px;cursor:pointer}
.content{padding:24px;flex:1}
/* ---------- 卡片 ---------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px}
.card .card-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card .card-head h3{font-size:15px;font-weight:700}
.card .card-body{padding:20px}
/* ---------- 统计卡片 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px}
.stat-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;position:relative;overflow:hidden}
.stat-card .label{color:var(--text-muted);font-size:13px}
.stat-card .value{font-size:28px;font-weight:800;margin-top:6px;line-height:1.2}
.stat-card .value small{font-size:14px;font-weight:600;color:var(--text-muted);margin-left:4px}
.stat-card .icon{position:absolute;right:16px;top:18px;font-size:34px;opacity:.18}
.stat-card.green .value{color:var(--green)} .stat-card.blue .value{color:var(--blue)} .stat-card.orange .value{color:var(--orange)} .stat-card.red .value{color:var(--red)} .stat-card.purple .value{color:var(--purple)}
/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto}
table.table{width:100%;border-collapse:collapse;font-size:13.5px}
table.table thead th{background:#f8fafc;color:var(--text-muted);text-align:left;padding:11px 14px;font-weight:600;border-bottom:1px solid var(--border);white-space:nowrap}
table.table tbody td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
table.table tbody tr:hover{background:#f8fafc}
table.table .ops{white-space:nowrap}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:5px;padding:7px 15px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s;line-height:1.5;font-family:inherit}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{opacity:.85}
.btn-success{background:var(--green);color:#fff}
.btn-success:hover{opacity:.85}
.btn-warning{background:var(--orange);color:#fff}
.btn-warning:hover{opacity:.85}
.btn-sm{padding:4px 10px;font-size:12px;border-radius:6px}
/* ---------- 徽章 ---------- */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600;line-height:1.6}
.badge.gray{background:#f1f3f6;color:var(--text-muted)}
.badge.blue{background:#e3eeff;color:var(--blue)}
.badge.green{background:#e3f9ee;color:var(--green)}
.badge.orange{background:#fdf1e0;color:var(--orange)}
.badge.red{background:#fde8e8;color:var(--red)}
.badge.purple{background:#efe8fc;color:var(--purple)}
/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 20px}
.form-grid .full{grid-column:1/-1}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;color:var(--text-muted);font-weight:600}
.form-group label .req{color:var(--red)}
.form-control{height:40px;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff;transition:border .15s;font-family:inherit;width:100%;color:var(--text)}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,111,237,.1)}
textarea.form-control{height:auto;min-height:100px;resize:vertical}
select.form-control{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%237a8aa0' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
.form-toolbar{display:flex;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--border)}
/* ---------- 过滤栏 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px;padding:14px 16px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow)}
.filter-bar .form-control{width:auto;min-width:140px}
/* ---------- 分页 ---------- */
.pagination{display:flex;gap:4px;align-items:center;justify-content:flex-end;padding:14px 0 0;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-block;min-width:32px;height:32px;line-height:30px;text-align:center;border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:13px;padding:0 8px}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .current{background:var(--primary);border-color:var(--primary);color:#fff}
.pagination .disabled{color:#ccc;pointer-events:none}
.pagination .rows{color:var(--text-muted);margin-right:10px;font-size:12.5px}
/* ---------- 提示 ---------- */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:13.5px}
.alert.success{background:#e3f9ee;color:#1e8a4e;border:1px solid #b8eccd}
.alert.error{background:#fde8e8;color:#c0392b;border:1px solid #f5c2c2}
.alert.info{background:#e3eeff;color:#1d5fba;border:1px solid #c4d8f7}
/* ---------- 空状态 ---------- */
.empty{padding:50px 20px;text-align:center;color:var(--text-muted)}
.empty .ico{font-size:48px;margin-bottom:10px;opacity:.4}
/* ---------- 登录页 ---------- */
.login-body{background:linear-gradient(135deg,#1e3a8a 0%,#3b82f6 100%);display:flex;align-items:center;justify-content:center;min-height:100vh;position:relative;overflow:hidden}
.login-body::before,.login-body::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.05)}
.login-body::before{width:400px;height:400px;top:-120px;right:-80px}
.login-body::after{width:300px;height:300px;bottom:-100px;left:-60px}
.login-card{width:400px;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.25);padding:40px 36px;z-index:1}
.login-card .brand{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:8px}
.login-card .brand .logo{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px}
.login-card h1{text-align:center;font-size:22px;margin-bottom:4px}
.login-card .sub{text-align:center;color:var(--text-muted);font-size:13px;margin-bottom:26px}
.login-card .form-group{margin-bottom:16px}
.login-card .form-control{height:44px}
.login-card .login-btn{width:100%;height:44px;font-size:15px}
.login-card .tip{margin-top:16px;text-align:center;color:var(--text-muted);font-size:12px}
/* ---------- 徽章状态 ---------- */
.chip{display:inline-block;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:600}
.chip.green{background:#e3f9ee;color:var(--green)} .chip.blue{background:#e3eeff;color:var(--blue)} .chip.orange{background:#fdf1e0;color:var(--orange)} .chip.red{background:#fde8e8;color:var(--red)} .chip.gray{background:#f1f3f6;color:var(--text-muted)}
/* ---------- 多选块 ---------- */
.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}
.checkbox-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:13px}
.checkbox-item:hover{border-color:var(--primary)}
.checkbox-item input{accent-color:var(--primary);width:15px;height:15px}
/* ---------- 工具栏 ---------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:10px}
.toolbar h2{font-size:18px;font-weight:700}
/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .topbar .burger{display:block}
  .form-grid{grid-template-columns:1fr}
  .content{padding:16px}
}
/* ---------- 通用工具 ---------- */
.flex{display:flex;align-items:center;gap:10px}
.between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.mt10{margin-top:10px}.mt20{margin-top:20px}.mb10{margin-bottom:10px}.mb20{margin-bottom:20px}
.muted{color:var(--text-muted)}.small{font-size:12.5px}.bold{font-weight:700}
.text-red{color:var(--red)}.text-green{color:var(--green)}.text-orange{color:var(--orange)}
.hidden{display:none}
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;visibility:hidden;transition:.2s}
.modal-mask.show{opacity:1;visibility:visible}
.modal{background:#fff;border-radius:12px;width:480px;max-width:94%;padding:0;box-shadow:0 10px 40px rgba(0,0,0,.2);transform:translateY(10px);transition:.2s}
.modal-mask.show .modal{transform:translateY(0)}
.modal .modal-head{padding:16px 22px;border-bottom:1px solid var(--border);font-weight:700;font-size:15px}
.modal .modal-body{padding:20px 22px}
.modal .modal-foot{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}
.detail-list{display:grid;grid-template-columns:110px 1fr;gap:10px 16px;font-size:14px}
.detail-list .k{color:var(--text-muted)}

/* 在线监控 / 位置地图 / 打卡缩略图 */
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;vertical-align:middle;margin-right:4px}
.dot.green{background:#22c55e}
.dot.blue{background:#3b82f6}
.dot.orange{background:#f59e0b}
.legend{display:flex;gap:18px;padding:2px 4px 10px;font-size:13px;color:var(--text-muted)}
.legend-item{display:inline-flex;align-items:center}
.thumb{width:56px;height:56px;object-fit:cover;border-radius:8px;cursor:zoom-in;border:1px solid var(--border)}