:root{
  --bg:#f5f7fb; --panel:#fff; --line:#e7ebf2; --text:#172033; --muted:#73809a;
  --primary:#2563eb; --primary2:#1d4ed8; --success:#16a34a; --warning:#d97706; --danger:#dc2626;
  --sidebar:#0f172a; --sidebar2:#172033; --shadow:0 8px 30px rgba(15,23,42,.06); --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,"Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:var(--primary)}

/* ---------- 布局 ---------- */
.app{display:flex;height:100vh;overflow:hidden}
.sidebar{width:250px;background:var(--sidebar);color:#cbd5e1;display:flex;flex-direction:column;flex-shrink:0}
.brand{height:72px;padding:0 22px;display:flex;align-items:center;gap:11px;border-bottom:1px solid rgba(255,255,255,.08)}
.logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#3b82f6,#60a5fa);display:grid;place-items:center;color:#fff;font-weight:800}
.brand b{color:#fff;font-size:17px}
.brand span{font-size:11px;color:#94a3b8}
.nav{padding:18px 12px;overflow:auto}
.nav-group{margin:15px 10px 8px;color:#64748b;font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:9px;margin:3px 0;color:#cbd5e1;font-size:14px;cursor:pointer;user-select:none}
.nav-item.active{background:#1d4ed8;color:#fff;box-shadow:0 7px 18px rgba(37,99,235,.2)}
.nav-item:hover{background:var(--sidebar2)}
.nav-item.active:hover{background:#1d4ed8}
.icon{width:20px;text-align:center;opacity:.9}
.badge{margin-left:auto;padding:2px 7px;border-radius:999px;font-size:10px;background:#334155;color:#e2e8f0}
.sidebar-foot{margin-top:auto;padding:14px 16px;border-top:1px solid rgba(255,255,255,.08)}
.user-mini{display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:#334155;display:grid;place-items:center;color:#fff;font-weight:700;flex-shrink:0}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;flex-shrink:0}
.crumb{font-size:14px;color:var(--muted)}
.crumb strong{color:var(--text);margin-left:8px}
.top-actions{display:flex;align-items:center;gap:10px}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--success);margin-right:6px}
.status-dot.off{background:var(--danger)}
.status-dot.warn{background:var(--warning)}
.content{padding:0 28px 24px;overflow:auto}

/* ---------- 通用组件 ---------- */
.view{display:none}
/* 顶部留白放在这里，而不是放在滚动容器 .content 上：
   position:sticky 是按滚动容器的**内容盒**吸顶的，滚动容器自己带 padding-top 时，
   吸顶元素会卡在 padding 下面，上方空出 24px 的缝 —— 表格行正好从那条缝里穿过去。
   挪到内容里之后，吸顶的工具栏就严丝合缝贴在顶栏下沿。 */
.view.active{display:block;padding-top:24px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:18px;gap:14px;flex-wrap:wrap}
.page-head h1{margin:0 0 5px;font-size:24px}
.page-head p{margin:0;color:var(--muted);font-size:13px}
.btn{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:8px;padding:9px 14px;font-size:13px}
.btn:hover{background:#f8fafc}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary2)}
.btn-danger{background:#fff;color:var(--danger);border-color:#fecaca}
.btn-danger:hover{background:#fef2f2}
.btn-success{background:#fff;color:var(--success);border-color:#bbf7d0}
.btn-success:hover{background:#f0fdf4}
.btn-ghost{background:transparent}
.btn-sm{padding:6px 9px;font-size:12px}
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.stat{padding:17px}
.stat-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.stat-icon{width:36px;height:36px;border-radius:10px;background:#eff6ff;color:var(--primary);display:grid;place-items:center;font-size:17px}
.stat-value{font-size:26px;font-weight:750;margin-top:7px}
.stat-sub{font-size:11px;color:var(--muted);margin-top:5px}
.grid2{display:grid;grid-template-columns:1.3fr .7fr;gap:14px;margin-top:14px}
.panel{padding:17px}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px;gap:10px}
.panel-head h3{font-size:14px;margin:0}
.muted{color:var(--muted)}
.small{font-size:12px}
.chart{height:255px;position:relative;overflow:hidden;border-radius:10px;background:linear-gradient(#fff,#fbfcff)}
.chart svg{width:100%;height:100%}
.chart-label{position:absolute;left:12px;top:11px;font-size:12px;color:var(--muted)}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{font-size:11px;color:var(--muted);text-align:left;font-weight:600;background:#fafbfe}
.table th,.table td{padding:12px;border-bottom:1px solid var(--line);white-space:nowrap}
.table tbody tr:hover{background:#fbfdff}
.tag{display:inline-flex;align-items:center;padding:4px 7px;border-radius:999px;font-size:11px;font-weight:600}
.tag.green{background:#ecfdf3;color:#15803d}
.tag.blue{background:#eff6ff;color:#1d4ed8}
.tag.orange{background:#fff7ed;color:#c2410c}
.tag.red{background:#fef2f2;color:#b91c1c}
.tag.gray{background:#f1f5f9;color:#64748b}
/* 07 专用粉色：DLT645-07 和 -97 的报文格式完全不同，列表里要一眼能分辨 */
.tag.pink{background:#fdf2f8;color:#be185d}
.toolbar{display:flex;gap:9px;align-items:center;margin-bottom:13px;flex-wrap:wrap}
.search{width:230px;border:1px solid var(--line);border-radius:8px;padding:9px 11px;outline:0}
.search:focus,input:focus,select:focus,textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #eff6ff}
.filters{display:flex;gap:8px;align-items:center;margin-left:auto}
.page-sep{width:1px;height:20px;background:var(--line)}
.select-sm{padding:5px 8px;font-size:12.5px}
.select{border:1px solid var(--line);padding:9px 10px;border-radius:8px;background:#fff;color:var(--text)}
.kpi-line{display:flex;gap:16px;flex-wrap:wrap}
.kpi-pill{padding:8px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:12px}
.kpi-pill b{margin-right:4px}
.split{display:grid;grid-template-columns:1.5fr .7fr;gap:14px}
.detail-card{padding:17px}
.detail-title{font-size:17px;font-weight:750;margin-bottom:3px}
.kv{display:grid;grid-template-columns:120px 1fr;row-gap:9px;font-size:13px;margin-top:14px}
.kv span{color:var(--muted)}
.progress{height:8px;background:#edf1f7;border-radius:9px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--primary);border-radius:9px;transition:width .4s}
.progress i.warn{background:var(--warning)}
.progress i.err{background:var(--danger)}
.timeline{border-left:2px solid #dbe4f0;margin-left:8px;padding-left:18px}
.event{position:relative;padding-bottom:17px}
.event:before{content:"";position:absolute;left:-25px;top:3px;width:8px;height:8px;border-radius:50%;background:var(--primary);border:3px solid #eff6ff}
.event:last-child{padding-bottom:0}
.empty{padding:38px;text-align:center;color:var(--muted);font-size:13px}

/* ---------- 可搜索下拉 ---------- */
/* 网关/型号一多，原生 select 就得滚半天；这里输入即过滤，支持键盘操作。
   结构上保留一个同名的隐藏 input，所以 $('fGw').value 这类老代码不用改。 */
.combo{position:relative}
.combo-input{width:100%;padding:9px 32px 9px 11px;border:1px solid var(--line);
  border-radius:8px;outline:0;background:#fff;color:var(--text);font-family:inherit;
  font-size:13px}
.combo-input:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #eff6ff}
.combo-input::placeholder{color:#94a3b8}
/* .field input 是 0,1,1，比 .combo-input（0,1,0）优先级高，
   会把 padding 覆盖成 9px 10px，右边给箭头留的位置就没了 —— 必须显式提权。 */
.field .combo-input{padding:9px 32px 9px 11px;font-size:13px}
.combo-arrow{position:absolute;right:11px;top:50%;transform:translateY(-50%);
  color:#94a3b8;font-size:10px;cursor:pointer;user-select:none;line-height:1}
.combo.open .combo-arrow{color:var(--primary)}
.combo-list{display:none;position:absolute;left:0;right:0;top:calc(100% + 4px);z-index:40;
  max-height:258px;overflow-y:auto;overscroll-behavior:contain;
  background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:4px;
  box-shadow:0 12px 30px rgba(15,23,42,.14)}
.combo.open .combo-list{display:block;animation:comboIn .12s ease}
/* 下方空间不够时往上弹，避免被弹窗的可滚动内容区裁掉 */
.combo.up .combo-list{top:auto;bottom:calc(100% + 4px)}
@keyframes comboIn{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}
.combo-item{display:flex;align-items:baseline;gap:8px;padding:7px 10px;border-radius:7px;
  cursor:pointer;font-size:13px;line-height:1.45}
.combo-item:hover{background:#f1f5f9}
.combo-item.on{background:#eff6ff;color:#1d4ed8}
.ci-main{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ci-sub{font-size:11px;color:var(--muted);font-family:Consolas,Monaco,monospace;flex:none}
.combo-item.on .ci-sub{color:#60a5fa}
.combo-empty{padding:13px;text-align:center;color:var(--muted);font-size:12px}

/* ---------- 电表导入 ---------- */
.imp-sum{display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:10px 13px;background:#f8fafc;border:1px solid #e5eaf2;
  border-radius:10px;font-size:12.5px;color:#475569}
.imp-sum b{font-size:15px;color:var(--primary);font-weight:750}
.imp-sum span:first-child{margin-right:2px}

/* ---------- 设备过滤弹窗 ---------- */
/* 这个弹窗里的下拉必须能「越出」内容区。
   .modal 是 overflow:hidden、.modal-body 是 overflow:auto，
   只要它们裁剪，下拉往上弹会被顶部切、往下弹会被底部切，怎么摆都只剩一条。
   表单是固定 6 行、高度可控，所以这里干脆不裁。 */
.modal.flt,.modal.flt .modal-body{overflow:visible}
/* 字段摊开排开：标签右对齐、控件居中、右侧固定一列提示 */
.flt-form{display:flex;flex-direction:column;gap:13px}
.flt-row{display:grid;grid-template-columns:78px minmax(0,1fr) 118px;
  align-items:center;gap:12px}
.flt-row>label{font-size:12.5px;color:#475569;font-weight:600;text-align:right;
  white-space:nowrap}
.flt-hint{font-size:11px;color:#94a3b8;line-height:1.3}
.flt-input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  outline:0;background:#fff;color:var(--text);font-family:inherit;font-size:13px}
.flt-input:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #eff6ff}
.flt-input::placeholder{color:#cbd5e1}
/* 弹窗里的下拉沿用 .field 那套高度，别和输入框对不齐 */
.flt-form .combo-input{padding:9px 32px 9px 11px;font-size:13px}
.flt-form .seg button{padding:8px 13px}

/* ---------- 筛选面板 ---------- */
.fcount{display:inline-grid;place-items:center;min-width:16px;height:16px;padding:0 4px;
  margin-left:6px;border-radius:9px;background:var(--primary);color:#fff;
  font-size:10px;font-weight:700;vertical-align:1px}
/* 折叠面板：默认不占位，展开时淡入下滑，不做硬切 */
.filter-panel{display:none;margin-bottom:14px;padding:0 16px 15px;
  background:linear-gradient(#fbfdff,#f7fafd);
  border:1px solid #e5eaf2;border-radius:12px;
  box-shadow:inset 0 1px 0 #fff}
.filter-panel.open{display:block;animation:fpIn .18s ease}
@keyframes fpIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}

/* 顶部一条：标题 + 当前条件 + 重置，和下面的字段用虚线分开 */
.fp-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:12px 0 11px;margin-bottom:13px;border-bottom:1px dashed #e3e9f2}
.fp-title{font-size:12.5px;font-weight:700;color:#334155;letter-spacing:.02em}
.fp-head .btn{margin-left:auto}

/* 当前生效的筛选条件，一眼看到筛了什么 */
.fp-active{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:11.5px}
.fp-active .muted{color:var(--muted)}
.chip-f{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;
  background:#eff6ff;color:#1d4ed8;border:1px solid #dbeafe;font-size:11.5px;font-weight:600}

/* 字段行：统一 34px 高，标签和控件左右都对齐 */
.fp-row{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-end}
.fp-item{display:flex;flex-direction:column;gap:7px}
.fp-item>label{font-size:11.5px;font-weight:600;color:#64748b;letter-spacing:.02em}
.fp-item .select{min-width:168px;height:34px;padding:0 10px;font-size:13px}
.fp-item .combo{min-width:168px}
.fp-item .combo-input{height:34px;padding:0 30px 0 11px;font-size:13px}
.filter-panel .seg{height:34px}
.filter-panel .seg button{padding:0 15px;height:34px;font-size:12.5px;line-height:1}

.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;
  background:#fff}
.seg button{border:0;background:#fff;color:var(--text);padding:8px 14px;font-size:12.5px;
  cursor:pointer;border-right:1px solid var(--line);transition:.15s;font-family:inherit}
.seg button:last-child{border-right:0}
.seg button:hover{background:#f1f5f9}
.seg button.on{background:var(--primary);color:#fff}

/* 表格里的勾选框 */
.table input[type=checkbox]{width:15px;height:15px;cursor:pointer;accent-color:var(--primary);
  vertical-align:-2px}
.table tr.picked{background:#eff6ff!important}
.table tr.picked:hover{background:#e6f0ff!important}
.hexbox{font-family:Consolas,Monaco,monospace;font-size:12.5px;line-height:1.8;
  background:#0f172a;color:#a5f3fc;border-radius:9px;padding:11px 13px;
  word-break:break-all;letter-spacing:.4px}
/* 开发者选项里的代码块：保留换行和缩进（hexbox 是 break-all，会把代码揉成一团），太长就横向滚动 */
.devcode{font-family:Consolas,Monaco,monospace;font-size:12.5px;line-height:1.7;
  background:#0f172a;color:#a5f3fc;border-radius:9px;padding:11px 13px;
  white-space:pre;overflow-x:auto;tab-size:2}
.devcode .cmt{color:#64748b}
.devpath{font-family:Consolas,Monaco,monospace;font-size:12.5px;background:#f1f5f9;
  padding:3px 7px;border-radius:6px;color:#0f172a}

/* ---------- 历史里的拉合闸状态条 ---------- */
/* 状态是稀疏点（每 10 次电量采集记一条），单独摆一条比画进柱状图清楚 */
.sw-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-top:12px;padding:9px 12px;background:#f8fafc;
  border:1px solid #e5eaf2;border-radius:10px;font-size:12.5px}
.sw-title{font-weight:700;color:#334155}
.sw-now b{font-weight:750}
.sw-now b.on{color:var(--success)}
.sw-now b.off{color:var(--danger)}
.sw-sep{width:1px;height:16px;background:var(--line)}
.sw-chip{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;
  font-size:11.5px;font-weight:600;font-variant-numeric:tabular-nums}
.sw-chip.on{background:#ecfdf3;color:#15803d;border:1px solid #bbf7d0}
.sw-chip.off{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}

/* ---------- 状态采集记录（历史明细下方） ---------- */
/* 稀疏采样点，一条一个小胶囊：时间 + 状态。采到多少列多少，不做补齐 */
.sw-rec{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px;max-height:280px;overflow:auto;
  padding:10px 12px;background:#fbfdff;border:1px solid #e8eef8;border-radius:10px}
.sw-rec-item{display:inline-flex;align-items:baseline;gap:7px;padding:3px 10px;
  border-radius:7px;font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap;
  border:1px solid transparent}
.sw-rec-item b{font-weight:600;color:#475569;font-family:Consolas,Monaco,monospace;
  font-size:11.5px;letter-spacing:-.2px}
.sw-rec-item i{font-style:normal;font-weight:700}
.sw-rec-item.on{background:#f0fdf4;border-color:#bbf7d0}
.sw-rec-item.on i{color:#15803d}
.sw-rec-item.off{background:#fef2f2;border-color:#fecaca}
.sw-rec-item.off i{color:#b91c1c}

/* ---------- 历史数据弹窗 ---------- */
.modal.wide{width:min(1220px,95vw)}
.modal.wide .modal-body{padding:18px 22px}
.modal.wide .modal-head h3{font-size:17px}

.hist-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:11px 13px;background:#f8fafc;border:1px solid var(--line);border-radius:12px}
.hist-quick{display:flex;gap:5px;flex-wrap:wrap}
.hist-sep{width:1px;height:26px;background:var(--line)}
.hist-custom{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.hist-custom input[type=datetime-local]{border:1px solid var(--line);border-radius:8px;
  padding:7px 9px;font-size:12.5px;outline:0;background:#fff;color:var(--text);
  font-family:inherit}
.hist-custom input[type=datetime-local]:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #eff6ff}
.hist-tilde{color:var(--muted);font-size:12px}
.hist-msg{margin-left:auto;font-size:12px;color:var(--muted)}

.rbtn{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:8px;
  padding:6px 11px;font-size:12.5px;cursor:pointer;transition:.15s;white-space:nowrap}
.rbtn:hover{background:#f1f5f9;border-color:#cbd5e1}
.rbtn.on{background:var(--primary);border-color:var(--primary);color:#fff;
  box-shadow:0 4px 12px rgba(37,99,235,.22)}

.hist-toggle{display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.hist-tgl-label{font-size:11px;color:var(--muted);margin:0 2px}
.hist-total{margin-left:12px;font-size:12.5px;font-weight:500;color:var(--muted)}
.hist-total b{font-size:17px;font-weight:750;color:var(--primary);
  font-variant-numeric:tabular-nums;margin:0 3px}

.hist-chart{background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px 16px 6px;box-shadow:0 4px 14px rgba(15,23,42,.04)}
.hist-chart-head{display:flex;justify-content:space-between;align-items:center;
  margin-bottom:10px;gap:14px;flex-wrap:wrap}
.hist-chart-head h4{margin:0;font-size:14px;display:flex;align-items:baseline;
  flex-wrap:wrap;gap:2px}
.hist-chart svg{width:100%;display:block}

.hist-table-wrap{margin-top:14px;border:1px solid var(--line);border-radius:12px;
  overflow:auto;max-height:400px;background:#fff}

/* 展开按钮 */
.expbtn{width:21px;height:21px;border:1px solid var(--line);background:#fff;
  border-radius:6px;font-size:14px;line-height:1;color:var(--muted);cursor:pointer;
  display:grid;place-items:center;padding:0;transition:.15s;font-family:inherit}
.expbtn:hover{background:#eff6ff;border-color:#93c5fd;color:var(--primary)}
.expbtn.open{background:var(--primary);border-color:var(--primary);color:#fff}

/* 展开后的明细：只显示采样时间 + 示数，多列自适应排布 */
.hist-detail td{padding:0!important;background:#f6f9fd;border-bottom:1px solid var(--line)}
.hist-detail-inner{padding:9px 16px 13px 58px}
.det-head{font-size:11.5px;color:var(--muted);margin-bottom:7px;letter-spacing:.02em}
.det-list{display:flex;flex-wrap:wrap;gap:6px;background:#fff;
  border:1px solid #e3ebf6;border-radius:10px;padding:10px 12px;
  box-shadow:0 2px 8px rgba(15,23,42,.03)}
/* 每条采样一个独立小胶囊：时间和示数紧挨着，项与项之间靠间距+底色区分 */
.det-row{display:flex;align-items:baseline;gap:9px;padding:4px 11px;
  background:#f4f8fd;border:1px solid #e8eef8;border-radius:7px;
  font-size:12.5px;font-variant-numeric:tabular-nums;white-space:nowrap;
  transition:.12s}
.det-row:hover{background:#eaf2fe;border-color:#c7dbfa}
.det-row .t{color:var(--muted);font-family:Consolas,Monaco,monospace;font-size:12px;
  letter-spacing:-.2px}
.det-row .v{font-weight:650;color:var(--text)}
.hist-table-wrap table{margin:0;border-collapse:separate;border-spacing:0}
.hist-table-wrap thead th{position:sticky;top:0;z-index:2;background:#fafbfe;
  box-shadow:inset 0 -1px 0 var(--line)}
.hist-table-wrap tbody tr:nth-child(even){background:#fcfdff}
.hist-table-wrap td.num{font-variant-numeric:tabular-nums;font-weight:650}

.hist-foot{display:flex;justify-content:space-between;align-items:center;
  margin-top:14px;gap:12px;flex-wrap:wrap}
.hist-foot .path{font-family:Consolas,Monaco,monospace;font-size:12px;
  background:#f1f5f9;padding:5px 9px;border-radius:7px;color:#475569}

.hist-loading{padding:52px;text-align:center;color:var(--muted);font-size:13px}
.hist-error{margin-top:16px;padding:16px 18px;background:#fef2f2;
  border:1px solid #fecaca;border-radius:12px;color:#b91c1c;font-size:13px}
.hist-empty{padding:46px 20px;text-align:center;color:var(--muted);font-size:13px;
  border:1px dashed var(--line);border-radius:12px;margin-top:16px;background:#fcfdff}

/* ---------- 网关数据流 ---------- */
/* 一次交互（发送 + 接收）包成一张卡片，避免两行报文看起来不相干 */
.traffic-list{display:flex;flex-direction:column;gap:8px;margin-top:14px;
  max-height:calc(90vh - 250px);overflow:auto;padding-right:3px}
.tg{background:#fff;border:1px solid var(--line);border-radius:11px;
  padding:10px 14px;transition:.12s}
.tg:hover{border-color:#c7dbfa;box-shadow:0 3px 12px rgba(37,99,235,.07)}
.tg-unsolicited{border-color:#fed7aa;background:#fffcf7}
.tg-unsolicited:hover{border-color:#fdba74;box-shadow:0 3px 12px rgba(217,119,6,.08)}
.tg-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-bottom:7px;font-size:12.5px}
.tg-time{font-family:Consolas,Monaco,monospace;font-variant-numeric:tabular-nums;
  color:var(--muted);font-size:12px}
.tg-meter{font-weight:650}
.tg-meta{margin-left:auto;display:flex;gap:8px;align-items:center}
.tg-line{display:flex;gap:10px;align-items:baseline;padding:3px 0;font-size:12.5px}
.tg-dir{flex:none;width:54px;font-weight:700;font-size:11.5px;letter-spacing:.02em}
.tg-dir-tx{color:var(--primary)}
.tg-dir-rx{color:var(--success)}
.tg-hex{font-family:Consolas,Monaco,monospace;font-size:12px;color:#334155;
  letter-spacing:.35px;word-break:break-all;line-height:1.7}
.tg-empty{color:var(--muted);font-style:italic}
.tg-err{margin-left:10px;color:var(--danger);font-size:11.5px}

.traffic-pager{display:flex;align-items:center;justify-content:flex-end;gap:10px;
  margin-top:14px;flex-wrap:wrap}

/* 数据流弹窗：固定高度，切换「实时 / 历史」时弹窗不再忽大忽小；
   并且只让报文列表滚动 —— 工具条和分页条始终钉在两端，不会被列表挤出去。 */
.modal.traffic{height:min(88vh,900px)}
.modal.traffic .modal-body{display:flex;flex-direction:column;overflow:hidden}
.modal.traffic #modalError{flex:none}
.modal.traffic #modalBody{flex:1;min-height:0;display:flex;flex-direction:column}
.modal.traffic .hist-bar{flex:none}
.modal.traffic #trafficBody{flex:1;min-height:0;display:flex;flex-direction:column}
.modal.traffic .traffic-list{flex:1;min-height:0;max-height:none;margin-top:14px}
.modal.traffic .hist-empty{flex:1;display:flex;flex-direction:column;
  align-items:center;justify-content:center;margin-top:14px}
.modal.traffic #trafficPager{flex:none}
.modal.traffic .traffic-pager{margin-top:12px}

/* 历史弹窗同样固定高度：点一次「1小时 / 24小时」就重查重绘，
   高度不固定的话整个弹窗会跟着涨缩。改成只有内容区滚动。 */
.modal.history{height:min(88vh,900px)}
.modal.history .modal-body{display:flex;flex-direction:column;overflow:hidden}
.modal.history #modalError{flex:none}
.modal.history #modalBody{flex:1;min-height:0;display:flex;flex-direction:column}
.modal.history .hist-bar{flex:none}
.modal.history #histBody{flex:1;min-height:0;overflow:auto}
/* 查询中：保留上一次的图，整体压暗，高度一点不变 */
#histBody.is-loading{opacity:.32;pointer-events:none;transition:opacity .12s}

@media(max-width:820px){
  .hist-sep{display:none}
  .hist-chart-head{flex-direction:column;align-items:flex-start}
  .tg-meta{margin-left:0;width:100%}
}
.spinner{display:inline-block;width:13px;height:13px;border:2px solid #cbd5e1;border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 顶栏徽标 ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;font-size:11px;font-weight:600;border:1px solid transparent}
.chip.dev{background:#fff7ed;color:#c2410c;border-color:#fed7aa}
.chip.prod{background:#ecfdf3;color:#15803d;border-color:#bbf7d0}
.chip.danger{background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.chip.safe{background:#f1f5f9;color:#475569;border-color:#e2e8f0}
.chip.status{background:#fff;color:var(--muted);border-color:var(--line);cursor:default}
.chip.status.ok{background:#ecfdf3;color:#15803d;border-color:#bbf7d0}
.chip.status.bad{background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.chip.status .status-dot{margin-right:5px}

/* ---------- 弹窗 ---------- */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.45);display:none;align-items:center;justify-content:center;z-index:30}
.modal-back.open{display:flex}
.modal{width:min(680px,92vw);max-height:90vh;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.18);overflow:hidden;display:flex;flex-direction:column}
.modal-head{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-head h3{margin:0;font-size:16px}
.modal-body{padding:20px;overflow:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;outline:0;background:#fff}
.field.full{grid-column:1/-1}
.form-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:8px;padding:9px 11px;font-size:12px;margin-bottom:12px;display:none}
.form-error.show{display:block}

/* ---------- Toast ---------- */
.toast{position:fixed;right:22px;bottom:22px;background:#111827;color:#fff;padding:11px 15px;border-radius:9px;box-shadow:0 12px 30px rgba(0,0,0,.15);display:none;z-index:50;font-size:13px;max-width:380px}
.toast.show{display:block}
.toast.err{background:#b91c1c}
.toast.ok{background:#15803d}

/* ---------- 登录页 ---------- */
.login{position:fixed;inset:0;background:linear-gradient(135deg,#0f172a,#1e3a8a);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.login.hidden{display:none}
.login-card{width:410px;max-width:100%;background:#fff;border-radius:18px;padding:34px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.login-title{font-size:23px;font-weight:800}
.login-sub{font-size:12px;color:var(--muted);margin-top:3px}
.login .field{margin-bottom:13px}
.login .btn{width:100%;margin-top:8px;padding:11px}
.login-foot{margin-top:13px;font-size:11px;color:var(--muted);text-align:center;line-height:1.7}
.boot{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);z-index:90;color:var(--muted);font-size:13px}
.boot.hidden{display:none}

/* ---------- 开关 ---------- */
.switch{position:relative;width:38px;height:22px;display:inline-block;vertical-align:middle}
.switch input{display:none}
.slider{position:absolute;inset:0;background:#cbd5e1;border-radius:22px;transition:.2s;cursor:pointer}
.slider:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.slider{background:var(--primary)}
.switch input:checked+.slider:before{transform:translateX(16px)}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .grid2,.split{grid-template-columns:1fr}
}
@media(max-width:780px){
  .sidebar{width:66px}
  .brand div:not(.logo),.nav-item span:not(.icon),.nav-group,.badge,.sidebar-foot .user-mini>div{display:none}
  .brand{justify-content:center;padding:0}
  .nav-item{justify-content:center}
  /* 小屏同样不能给滚动容器加 padding-top，否则吸顶行上面又会漏出一条缝 */
  .content{padding:0 18px 18px}
  .topbar{padding:0 16px}
  .form-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .crumb .muted-hide{display:none}
  .chip.idle{min-width:0}
}

/* ---------- 空闲倒计时 ---------- */
/* 顶栏那个倒计时：平时灰的，剩 5 分钟变橙、剩 1 分钟变红。
   权威在服务端 —— 到点会话直接被删，这里只是把事实显示出来，
   改本机时间或者关掉 JS 都绕不过去。 */
.chip.idle{background:#f1f5f9;color:#475569;border-color:#e2e8f0;cursor:pointer;
  font-variant-numeric:tabular-nums;min-width:78px;justify-content:center;
  transition:background .2s,color .2s}
.chip.idle:hover{background:#e2e8f0}
.chip.idle.warn{background:#fff7ed;color:#c2410c;border-color:#fed7aa}
.chip.idle.danger{background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.chip.idle.off{background:#f1f5f9;color:#94a3b8;border-color:#e2e8f0;cursor:default}
.chip.idle.off:hover{background:#f1f5f9}

/* ---------- 安全提醒条 ---------- */
/* 出厂密码 / 其它必须让操作人看见的告警，压不住就摆在内容区最上面 */
.alertbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-bottom:16px;padding:12px 16px;border-radius:12px;
  background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;font-size:13px}
.alertbar span{color:#7f1d1d;font-size:12.5px}
.alertbar .btn{margin-left:auto;flex:none}

/* 电表工具栏吸顶：表多的时候往下翻，筛选/刷新/编辑/删除和在线离线统计
   必须一直看得见，不然要先滚回顶部才能操作。
   负 margin 是为了铺满卡片内边距，不然吸顶时两侧会露出下面的内容。 */
.toolbar.sticky{position:sticky;top:0;z-index:6;background:var(--panel);
  margin:-17px -17px 13px;padding:15px 17px 13px;
  border-bottom:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0}
/* 吸到顶栏下沿之后，圆角会在两个上角露出背景色的小豁口，所以要摊平并加一道阴影 */
.toolbar.sticky.stuck{border-radius:0;box-shadow:0 8px 16px rgba(15,23,42,.07)}

/* 在线 / 离线统计：数字用等宽，扫的时候不跳 */
.stat-inline{display:inline-flex;align-items:center;gap:10px;font-size:12px;
  font-variant-numeric:tabular-nums;white-space:nowrap}
.stat-inline b{font-weight:750}
.stat-inline .on{color:var(--success)}
.stat-inline .off{color:var(--danger)}
.stat-inline i{font-style:normal;display:inline-block;width:7px;height:7px;border-radius:50%;
  margin-right:4px;vertical-align:1px}
.stat-inline .on i{background:var(--success)}
.stat-inline .off i{background:var(--danger)}

/* 只读用户没有批量操作，勾选列整列收掉（留着也没用，点了还会 403） */
.table.no-check th:first-child,.table.no-check td:first-child{display:none}

/* 电量列：数字右对齐等宽，单位缩小淡化，扫一列的时候不跳 */
.energy{font-variant-numeric:tabular-nums;font-weight:650;white-space:nowrap}
.energy i{font-style:normal;font-size:10.5px;color:var(--muted);margin-left:3px;font-weight:500}

/* 只读输入框：表号是主键，编辑时不给改，样式上也要一眼看出是锁住的 */
input.ro{background:#f1f5f9;color:#64748b;cursor:not-allowed;border-color:#e2e8f0}
input.ro:focus{border-color:#e2e8f0;box-shadow:none}

/* 开发者选项里「接口令牌 / 会话令牌」两块，用左边一条竖线区分层级 */
.dev-sub{margin-top:14px;padding:13px 15px;border-left:3px solid #dbeafe;
  background:#fbfdff;border-radius:0 10px 10px 0}
.dev-sub-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13px}
.dev-sub-head b{font-size:13.5px}

/* ---------- 对外接口令牌 ---------- */
/* 明文只在创建时出现一次，等宽字体方便整段复制 */
.tokenbox{font-family:Consolas,Monaco,monospace;font-size:12.5px;line-height:1.8;
  background:#0f172a;color:#a5f3fc;border-radius:9px;padding:12px 14px;
  word-break:break-all;user-select:all}
.tokenrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:11px 0;border-bottom:1px solid var(--line)}
.tokenrow:last-child{border-bottom:0}
.tokenrow .tk-name{font-weight:650;font-size:13px}
.tokenrow .tk-meta{font-size:11.5px;color:var(--muted);
  font-family:Consolas,Monaco,monospace}