* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #F5F7FB; --card: #FFFFFF; --line: #E6EAF2; --line2: #F1F4F9;
  --t1: #0B1220; --t2: #495362; --t3: #8A94A6;
  /* 主色：靛蓝，现代 SaaS 观感 */
  --blue: #4F46E5; --blue-bg: #EEF1FF;
  --teal: #059669; --teal-bg: #E6F6F0;
  --amber: #C2740A; --amber-bg: #FFF5E3;
  --red: #DC2626; --red-bg: #FDECEC;
  --purple: #7C3AED; --purple-bg: #F4EBFF;
  --cyan: #0891B2; --cyan-bg: #E4F6FB;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--t1); font-size: 13.5px; line-height: 1.6;
}
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; font-size: 13px; }

/* 登录 */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { width: 340px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.login-mark { display: block; margin-bottom: 14px; }
.login-box h1 { font-size: 19px; font-weight: 600; margin-bottom: 4px; letter-spacing: .2px; }
.login-box p { color: var(--t3); font-size: 12px; margin-bottom: 20px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--t2); margin-bottom: 5px; }
.field input { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; outline: none; }
.field input:focus { border-color: var(--blue); }
.btn { padding: 8px 14px; border: 1px solid var(--line); background: #fff; border-radius: 8px; font-size: 13px; color: var(--t1); }
.btn:hover { background: #F9FAFB; }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: #14528f; }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn.danger { color: var(--red); border-color: #F5C6C2; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.err { color: var(--red); font-size: 12px; margin-top: 8px; min-height: 18px; }

/* 布局 */
.shell { display: flex; min-height: 100vh; }
.side {
  width: 172px; flex: none; background: #0F172A; border-right: none;
  padding: 18px 10px; display: flex; flex-direction: column;
}
.brand { display: flex; align-items: center; gap: 9px; padding: 0 6px 18px; }
.brand-mark { flex: none; }
.brand-txt b { font-size: 15px; font-weight: 600; display: block; color: #F1F5F9; letter-spacing: .5px; line-height: 1.25; }
.brand-txt span { font-size: 10.5px; color: #64748B; letter-spacing: .2px; }
.nav a {
  display: flex; align-items: center; gap: 9px; padding: 9px 10px; border-radius: 9px;
  font-size: 13.5px; color: #CBD5E1; text-decoration: none; margin-bottom: 2px;
  transition: background .15s, color .15s; letter-spacing: .2px;
}
.nav a:hover { background: rgba(255,255,255,.09); color: #F1F5F9; }
.nav a.active { background: rgba(99,102,241,.28); color: #FFFFFF; font-weight: 500; }
.nav a svg { width: 16px; height: 16px; flex: none; opacity: .9; }
.nav a.active svg { opacity: 1; }
.side-foot { margin-top: auto; font-size: 11.5px; color: #B6C2D1; padding: 0 8px; }
.side-foot a { color: #94A3B8; text-decoration: none; }
.side-foot a:hover { color: #E2E8F0; }

.main { flex: 1; min-width: 0; padding: 18px 22px 40px; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.topbar h2 { font-size: 17px; font-weight: 600; letter-spacing: .2px; }
.topbar .right { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--t3); }

.card { background: var(--card); border: none; border-radius: 14px; padding: 18px 20px; margin-bottom: 16px; box-shadow: 0 1px 2px rgba(16,24,40,.05), 0 10px 24px -12px rgba(16,24,40,.14); }
.card h3 { font-size: 13.5px; font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; letter-spacing: .2px; }
.card h3 .tag { font-size: 11px; color: var(--t3); font-weight: 400; letter-spacing: 0; }

.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.kpi { position: relative; background: var(--card); border: none; border-radius: 14px; padding: 16px 18px 15px 20px; box-shadow: 0 1px 2px rgba(16,24,40,.05), 0 8px 20px -14px rgba(16,24,40,.12); overflow: hidden; }
/* 左侧色条：四张卡各一种色，让仪表盘有节奏感 */
.kpi::before { content: ''; position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 0 3px 3px 0; background: var(--blue); }
.kpi:nth-child(1)::before { background: var(--blue); }
.kpi:nth-child(2)::before { background: var(--cyan); }
.kpi:nth-child(3)::before { background: var(--amber); }
.kpi:nth-child(4)::before { background: var(--teal); }
.kpi .k { font-size: 12px; color: var(--t2); font-weight: 500; }
.kpi .v { font-size: 24px; font-weight: 600; letter-spacing: -.6px; margin-top: 4px; font-variant-numeric: tabular-nums; color: var(--t1); }
.kpi .m { font-size: 11.5px; color: var(--t3); margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead { background: #FAFBFD; }
thead th:first-child { border-radius: 8px 0 0 0; }
thead th:last-child { border-radius: 0 8px 0 0; }
th { text-align: left; font-weight: 500; color: var(--t2); font-size: 12px; padding: 10px 9px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 11px 9px; border-bottom: 1px solid var(--line2); }
tr:last-child td { border-bottom: none; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable { cursor: pointer; }
tbody tr:nth-child(even) { background: #FCFDFF; }
tbody tr:hover { background: #F3F6FF; }
tr.clickable { cursor: pointer; }
.muted { color: var(--t3); }
.strong { font-weight: 500; }
.neg { color: var(--red); }
.pos { color: var(--teal); }

/* 详情入口按钮 */
.btn-detail { padding: 4px 10px; font-size: 11.5px; border: 1px solid #D8E9F8; background: var(--blue-bg); color: var(--blue); border-radius: 7px; white-space: nowrap; }
.btn-detail:hover { background: #D8E9F8; }

/* 侧栏当前项竖条 */
.nav a { position: relative; }
.nav a.active::before { content: ''; position: absolute; left: -10px; top: 26%; bottom: 26%; width: 3px; border-radius: 0 2px 2px 0; background: #818CF8; }

/* 抽屉进场动画 */
.drawer { animation: drawerIn .22s ease-out; }
.drawer-mask { animation: fadeIn .18s ease-out; }
@keyframes drawerIn { from { transform: translateX(48px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.pill { display: inline-block; font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 6px; white-space: nowrap; line-height: 1.5; }
.pill.direct { background: var(--teal-bg); color: var(--teal); }
.pill.indirect { background: var(--amber-bg); color: var(--amber); }
.pill.warn { background: var(--red-bg); color: var(--red); }
.pill.mute { background: var(--line2); color: var(--t2); }
.pill.ok { background: var(--teal-bg); color: var(--teal); }

.banner { padding: 9px 12px; border-radius: 8px; font-size: 12px; margin-bottom: 14px; display: flex; gap: 8px; align-items: center; }
.banner.warn { background: var(--amber-bg); color: #412402; }
.banner.err { background: var(--red-bg); color: #791F1F; }
.banner.info { background: var(--blue-bg); color: #0C447C; }
.banner .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 1100px) { .grid2 { grid-template-columns: 1fr; } .kpis { grid-template-columns: repeat(2, 1fr); } }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.inline-input { width: 90px; padding: 5px 8px; border: 1px solid var(--line); border-radius: 7px; text-align: right; }
.inline-select { padding: 5px 8px; border: 1px solid var(--line); border-radius: 7px; }

.progress { height: 4px; background: var(--line2); border-radius: 2px; overflow: hidden; margin: 10px 0 6px; }
.progress > div { height: 4px; background: var(--blue); width: 0; transition: width .3s; }

.drawer-mask { position: fixed; inset: 0; background: rgba(16,24,40,.28); z-index: 40; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 840px; max-width: 94vw; background: #fff;
  z-index: 41; overflow-y: auto; padding: 20px 22px; border-left: 1px solid var(--line);
}
/* 抽屉内表格收紧，避免横向滚动 */
.drawer .tblwrap table { min-width: 0; }
.drawer table { font-size: 11.5px; }
.drawer th, .drawer td { padding: 6px 5px; }
.drawer h3 { font-size: 15px; font-weight: 500; margin-bottom: 2px; }
.drawer .sub { font-size: 11.5px; color: var(--t3); margin-bottom: 16px; }
.close { position: absolute; top: 14px; right: 16px; font-size: 18px; color: var(--t3); background: none; border: none; cursor: pointer; }

.footer-note { font-size: 11px; color: var(--t3); line-height: 1.7; margin-top: 10px; }
.empty { text-align: center; color: var(--t3); padding: 36px 0; font-size: 12.5px; }
.hide { display: none !important; }

/* 表格横向滚动容器 */
.tblwrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tblwrap table { min-width: 640px; }

/* A1 首列不换行 */
table th:first-child, table td:first-child { white-space: nowrap; }

/* A4 占比迷你条 */
.cmp { position: relative; }
.cmp .bar { position: absolute; left: 0; top: 3px; bottom: 3px; border-radius: 4px; background: rgba(79,70,229,.06); z-index: 0; }
.cmp .txt { position: relative; z-index: 1; }

/* A3 趋势图 */
.trend-svg { display: block; margin-top: 4px; }
.trend-svg rect { rx: 1.5; }
.trend-cap { font-size: 10.5px; color: var(--t3); margin-top: 2px; }

/* KPI 环比 */
.kpi .delta { font-size: 11px; font-weight: 500; }
.kpi .delta.up { color: var(--teal); }
.kpi .delta.down { color: var(--red); }

/* C1 骨架屏 */
.sk-line { height: 14px; border-radius: 6px; background: linear-gradient(90deg, var(--line2) 25%, #F3F5F8 50%, var(--line2) 75%); background-size: 200% 100%; animation: shimmer 1.2s infinite; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.sk-row { display: flex; gap: 12px; margin: 12px 0; }
.sk-row > div { flex: 1; }

/* C2 toast */
#toasts { position: fixed; top: 14px; right: 14px; z-index: 99; display: flex; flex-direction: column; gap: 8px; max-width: 320px; }
.toast { background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--teal); border-radius: 8px; padding: 10px 14px; font-size: 12.5px; box-shadow: 0 4px 16px rgba(16,24,40,.08); animation: slidein .2s ease-out; }
.toast.err { border-left-color: var(--red); }
@keyframes slidein { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }

/* C3 登录页 */
.login-wrap { background: linear-gradient(150deg, #F2F6FB 0%, #E9EFF7 55%, #E4EBF4 100%); }
.login-box { box-shadow: 0 12px 40px rgba(24,95,165,.10); border-color: #D9E4F2; }

/* 月份快捷切换 */
.mnav { padding: 0 6px; min-width: 26px; height: 26px; line-height: 1; }
/* 顶部「单月 / 全部历史」分段切换 */
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--card); }
.seg-btn { border: 0; background: transparent; padding: 5px 12px; font-size: 12px; color: var(--t2); transition: background .12s, color .12s; }
.seg-btn + .seg-btn { border-left: 1px solid var(--line); }
.seg-btn:hover { background: #F2F5F9; }
.seg-btn.active, .seg-btn.active:hover { background: var(--blue); color: #fff; font-weight: 500; }
.mprefix { font-size: 12px; color: var(--t3); }
.mpick { position: relative; display: inline-flex; align-items: center; gap: 6px; }
.mselect-btn { display: inline-flex; align-items: center; gap: 7px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); font-size: 12.5px; color: var(--t1); }
.mselect-btn:hover { background: #F7F9FC; }
.mselect-btn .caret { font-size: 9px; color: var(--t3); }
.mpop { position: absolute; top: 34px; right: 0; min-width: 262px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 24px rgba(16,24,40,.12); padding: 6px; z-index: 30; max-height: 320px; overflow-y: auto; }
.mpop-item { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 7px 10px; border-radius: 7px; font-size: 12.5px; color: var(--t1); cursor: pointer; }
.mpop-item:hover { background: #F2F5F9; }
.mpop-item.active { background: var(--blue-bg); color: var(--blue); font-weight: 500; }
.mpop-item .mm { font-variant-numeric: tabular-nums; color: var(--t3); font-size: 11.5px; }
.mpop-item.active .mm { color: var(--blue); }

/* D1 手机卡片列表 */
@media (max-width: 860px) {
  .cust-cards { display: flex; flex-direction: column; gap: 8px; }
  .cust-card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
  .cust-card .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
  .cust-card .name { font-weight: 500; font-size: 13px; }
  .cust-card .meta { font-size: 11px; color: var(--t3); margin-top: 2px; }
  .cust-card .nums { display: flex; gap: 14px; margin-top: 8px; font-size: 12px; }
  .cust-card .nums b { font-variant-numeric: tabular-nums; font-weight: 500; }
  .cust-card .nums span { display: block; font-size: 10.5px; color: var(--t3); }
}

/* ---------- 手机端适配 ---------- */
@media (max-width: 860px) {
  .shell { flex-direction: column; }

  /* 侧栏变底部 Tab 栏 */
  .side {
    position: fixed; bottom: 0; left: 0; right: 0;
    width: 100%; height: 58px; padding: 0;
    flex-direction: row; align-items: stretch;
    border-right: none; border-top: none;
    z-index: 30; background: #0F172A;
  }
  .brand, .side-foot { display: none; }
  .nav { display: flex; width: 100%; }
  .nav a {
    flex: 1; justify-content: center; align-items: center;
    flex-direction: column; gap: 4px; padding: 6px 2px;
    font-size: 10.5px; border-radius: 0;
  }
  .nav a i { display: none; }
  .nav a.active { background: var(--blue-bg); }

  /* 内容区让出底部栏高度 */
  .main { padding: 12px 12px 84px; }
  .topbar { flex-wrap: wrap; gap: 8px; row-gap: 8px; }
  .topbar .right { width: 100%; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  #lastSync { display: none; }

  /* 月份弹层：脱离带 overflow 的工具栏，改用 fixed 贴在视口上，
     否则 absolute 定位于 .mpick 内部会被 overflow-x:auto 裁掉（表现为点击无反应） */
  .mpop {
    position: fixed; top: 58px; right: 12px; left: auto;
    width: calc(100vw - 24px); max-width: 300px;
    min-width: 0; max-height: 55vh; z-index: 120;
    box-shadow: 0 12px 32px rgba(16,24,40,.18);
  }

  /* KPI 两列 */
  .kpis { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kpi .v { font-size: 18px; }

  /* 双栏并单栏 */
  .grid2 { grid-template-columns: 1fr; }

  /* 抽屉全屏 */
  .drawer { width: 100vw; max-width: 100vw; padding: 16px 14px; }

  /* 卡片收紧 */
  .card { padding: 12px 12px; }
  th, td { padding: 7px 6px; }

  /* 表单区允许换行 */
  .row { flex-wrap: wrap; }
}

/* 超小屏（<400px）：KPI 单关键列 */
@media (max-width: 400px) {
  .kpis { grid-template-columns: 1fr; }
  .kpi .v { font-size: 21px; }
}