/* ================= 主题变量 ================= */
:root {
  --bg: #f0f2f5;
  --panel: #ffffff;
  --panel-2: #fafbfc;
  --text: #303133;
  --text-2: #606266;
  --sub: #909399;
  --border: #e8eaef;
  --primary: #2f7ef7;
  --primary-soft: #eaf1ff;
  --success: #13a05a;
  --warning: #e6912c;
  --danger: #e34d59;
  --purple: #7b61ff;
  --topbar: #ffffff;
  --sidebar: #ffffff;
  --sidebar-active: #eaf1ff;
  --sidebar-text: #4b5563;
  --shadow: 0 1px 3px rgba(16, 32, 64, .06), 0 6px 20px rgba(16, 32, 64, .04);
  --radius: 8px;
  --chart-grid: #eef1f6;
  --chart-axis: #9aa3b2;
}
html[data-theme="dark"] {
  --bg: #0a1120;
  --panel: #101c30;
  --panel-2: #0d1728;
  --text: #e8f1ff;
  --text-2: #b6c7dd;
  --sub: #7b90ab;
  --border: #1c2d47;
  --primary: #3aa0ff;
  --primary-soft: #142b47;
  --topbar: #0d1728;
  --sidebar: #0d1728;
  --sidebar-active: #142b47;
  --sidebar-text: #a9bdd6;
  --shadow: 0 2px 12px rgba(0, 0, 0, .35);
  --chart-grid: #182740;
  --chart-axis: #6f86a3;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); font-size: 13px;
  transition: background .25s, color .25s;
}
a { color: inherit; text-decoration: none; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #c8cdd6; border-radius: 4px; }
html[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #24374f; }

/* ================= 顶栏 ================= */
.topbar {
  height: 56px; background: var(--topbar); display: flex; align-items: center;
  padding: 0 16px; gap: 20px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: center; gap: 9px; font-size: 16px; font-weight: 700; white-space: nowrap; }
.brand .logo {
  width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center;
  background: linear-gradient(135deg, #2f7ef7, #49c0ff); color: #fff; font-size: 14px; font-weight: 800;
}
.nav { display: flex; gap: 2px; flex: 1; overflow: visible; }
.nav a {
  padding: 8px 14px; border-radius: 6px; color: var(--text-2); font-size: 13.5px; white-space: nowrap;
  transition: .18s;
}
.nav a:hover { background: var(--primary-soft); color: var(--primary); }
.nav a.on { background: var(--primary); color: #fff; font-weight: 600; }

/* 顶栏下拉：模块内含多个独立页面时使用 */
.nav-grp { position: relative; display: flex; align-items: center; }
.nav-grp > a::after { content: '▾'; margin-left: 5px; font-size: 9px; opacity: .7; }
.nav-dd {
  position: absolute; top: calc(100% + 4px); left: 0; min-width: 156px; padding: 6px;
  display: none; flex-direction: column; gap: 2px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 12px 30px rgba(16, 32, 64, .14); z-index: 90;
}
.nav-grp::after { content: ''; position: absolute; left: 0; right: 0; top: 100%; height: 6px; }
.nav-grp:hover .nav-dd { display: flex; }
.nav .nav-dd a { padding: 7px 10px; border-radius: 6px; font-size: 13px; }
.nav .nav-dd a.dd-on { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.top-right { display: flex; align-items: center; gap: 10px; }
.top-right .icon-btn {
  width: 30px; height: 30px; border-radius: 6px; display: grid; place-items: center;
  color: var(--text-2); cursor: pointer; font-size: 15px;
}
.top-right .icon-btn:hover { background: var(--primary-soft); color: var(--primary); }
.avatar {
  width: 26px; height: 26px; border-radius: 50%; background: var(--primary-soft);
  color: var(--primary); display: grid; place-items: center; font-size: 12px; font-weight: 700;
}
.badge-dot { position: relative; }
.badge-dot::after {
  content: ''; position: absolute; top: 4px; right: 4px; width: 6px; height: 6px;
  background: var(--danger); border-radius: 50%;
}

/* ================= 布局 ================= */
.layout { display: flex; min-height: calc(100vh - 56px); }
.sidebar {
  width: 196px; background: var(--sidebar); border-right: 1px solid var(--border);
  padding: 12px 10px; flex-shrink: 0; display: flex; flex-direction: column;
}
.side-group { margin-bottom: 4px; }
.side-title {
  font-size: 11px; color: var(--sub); padding: 8px 10px 4px; letter-spacing: .5px;
}
.side-item {
  display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 6px;
  color: var(--sidebar-text); cursor: pointer; font-size: 13px; margin-bottom: 2px; transition: .15s;
}
.side-item .dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .5; }
.side-item:hover { background: var(--primary-soft); color: var(--primary); }
.side-item.on { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.side-item.on .dot { opacity: 1; }
.side-foot { margin-top: auto; border-top: 1px solid var(--border); padding-top: 10px; }

.main { flex: 1; padding: 14px 16px 24px; max-width: 100%; overflow-x: hidden; }
/* 无左侧功能区：内容区全宽，左右留白对齐 */
.layout.no-side .main { padding: 14px 22px 26px; }

/* 面包屑 */
.crumb {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 6px; font-size: 12px; color: var(--sub); margin-bottom: 12px;
}
.crumb-path { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.crumb-meta { color: var(--sub); font-size: 11.5px; white-space: nowrap; }
.crumb b { color: var(--text-2); font-weight: 500; }
.tabs-bar { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
/* 作用域限定在 .tabs-bar 内，避免与页签容器 .tabs 的 .tab 规则互相污染 */
.tabs-bar .tab {
  padding: 5px 12px; border-radius: 5px; background: var(--panel); border: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-2); cursor: pointer;
}
.tabs-bar .tab.on { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ================= 卡片 ================= */
.card {
  background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 16px; margin-bottom: 12px; border: 1px solid transparent;
}
html[data-theme="dark"] .card { border-color: var(--border); }
.card-h { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-t { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 7px; }
.card-t::before { content: ''; width: 3px; height: 14px; border-radius: 2px; background: var(--primary); }
.card-x { font-size: 12px; color: var(--sub); font-weight: 400; }

.grid { display: grid; gap: 12px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.g-2-1 { grid-template-columns: 2fr 1fr; }
.g-3-1 { grid-template-columns: 3fr 1fr; }
.g-1-2 { grid-template-columns: 1fr 2fr; }
@media (max-width: 1280px) {
  .g4, .g5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g-2-1, .g-3-1, .g-1-2, .g3 { grid-template-columns: 1fr; }
}

/* ================= KPI ================= */
.kpi { display: flex; align-items: center; gap: 11px; min-width: 0; }
.kpi > div:last-child { min-width: 0; }
.kpi-ico {
  width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; font-size: 19px;
  background: var(--primary-soft); color: var(--primary); flex-shrink: 0;
}
.kpi-ico.g { background: rgba(19,160,90,.12); color: var(--success); }
.kpi-ico.o { background: rgba(230,145,44,.13); color: var(--warning); }
.kpi-ico.r { background: rgba(227,77,89,.12); color: var(--danger); }
.kpi-ico.p { background: rgba(123,97,255,.13); color: var(--purple); }
.kpi-label { font-size: 12.5px; color: var(--sub); margin-bottom: 5px; }
.kpi-val { font-size: 20px; font-weight: 700; line-height: 1.1; letter-spacing: -.3px; }
.kpi-val small { font-size: 12px; font-weight: 400; color: var(--sub); margin-left: 3px; }
.kpi-sub { font-size: 11.5px; color: var(--sub); margin-top: 5px; display: flex; gap: 8px; }
.up { color: var(--danger); }
.down { color: var(--success); }

/* ================= 表格 ================= */
table.tb { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.tb th {
  text-align: left; padding: 9px 10px; color: var(--sub); font-weight: 500;
  background: var(--panel-2); border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.tb td { padding: 10px; border-bottom: 1px solid var(--border); color: var(--text-2); }
table.tb tr:hover td { background: var(--primary-soft); }
table.tb td.num, table.tb th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.tb tr:last-child td { border-bottom: none; }

.tag {
  display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 11.5px; line-height: 18px; white-space: nowrap;
  background: var(--primary-soft); color: var(--primary);
}
.tag.g { background: rgba(19,160,90,.12); color: var(--success); }
.tag.o { background: rgba(230,145,44,.14); color: var(--warning); }
.tag.r { background: rgba(227,77,89,.12); color: var(--danger); }
.tag.k { background: rgba(120,130,145,.14); color: var(--sub); }

/* 进度条 */
.bar { height: 7px; border-radius: 4px; background: rgba(120,130,145,.16); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, #2f7ef7, #59b4ff); }

/* 工具条 */
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
select, input[type="text"], input[type="date"] {
  height: 30px; padding: 0 9px; border: 1px solid var(--border); border-radius: 5px;
  background: var(--panel); color: var(--text); font-size: 12.5px; outline: none;
  font-family: inherit;
}
select:focus, input:focus { border-color: var(--primary); }
.btn {
  height: 30px; padding: 0 14px; border-radius: 5px; border: 1px solid var(--primary);
  background: var(--primary); color: #fff; font-size: 12.5px; cursor: pointer; font-family: inherit;
}
.btn:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--text-2); border-color: var(--border); }
.btn.ghost:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-soft); }

.chart { width: 100%; }
.muted { color: var(--sub); font-size: 12px; }
.mt8 { margin-top: 8px; } .mt12 { margin-top: 12px; }
.flex { display: flex; } .between { justify-content: space-between; } .center { align-items: center; }
.gap8 { gap: 8px; } .gap12 { gap: 12px; }

/* 主题切换按钮 */
.theme-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 5px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text-2); cursor: pointer;
  font-size: 12px; font-family: inherit;
}
.theme-btn:hover { color: var(--primary); border-color: var(--primary); }

/* ---------- 页签容器 ---------- */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 14px; flex-wrap: wrap; }
.tabs .tab {
  padding: 9px 16px; font-size: 13.5px; color: var(--text-2); cursor: pointer;
  background: transparent; border: 0; border-radius: 0;
  border-bottom: 2px solid transparent; transition: .16s; white-space: nowrap;
}
.tabs .tab:hover { color: var(--primary); }
.tabs .tab.on { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; background: transparent; }
.tabpane { display: none; }
.tabpane.on { display: block; }