:root {
  color-scheme: light;
  --canvas: #fff;
  --paper: #fff;
  --paper-raised: #f6f8fb;
  --ink: #111318;
  --muted: #667085;
  --muted-soft: #98a2b3;
  --line: #e3e7ee;
  --line-strong: #d0d5dd;
  --accent: #155eef;
  --accent-strong: #1248b9;
  --accent-soft: #edf4ff;
  --green: #067647;
  --green-soft: #ecfdf3;
  --danger: #b42318;
  --danger-soft: #fff1f0;
  --orange: #b54708;
  --orange-soft: #fff7ed;
  --display: "Microsoft YaHei UI", "PingFang SC", Arial, sans-serif;
  --data: Inter, "DIN Alternate", "Microsoft YaHei UI", Arial, sans-serif;
  --shadow-soft: 0 10px 35px rgba(17, 24, 39, .055);
}

* { box-sizing: border-box; }
html { background: var(--canvas); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--canvas); color: var(--ink); font: 14px/1.5 var(--display); }
button, input, select { font: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(21, 94, 239, .22); outline-offset: 2px; }
[hidden] { display: none !important; }

.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 9px 12px; border-radius: 8px; background: var(--ink); color: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.dashboard-app { display: grid; grid-template-columns: 188px minmax(0, 1fr); min-height: 100vh; }
.dashboard-sidebar { position: sticky; z-index: 20; top: 0; display: flex; flex-direction: column; height: 100vh; padding: 18px 12px; border-right: 1px solid var(--line); background: var(--paper); }
.dashboard-brand { display: flex; align-items: center; gap: 10px; padding: 7px 7px 27px; white-space: nowrap; }
.dashboard-brand > span:last-child { display: grid; }
.dashboard-brand strong { font-size: 15px; line-height: 1.2; }
.dashboard-brand small { margin-top: 3px; color: var(--muted-soft); font: 700 8px/1 var(--data); letter-spacing: .11em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px 10px 10px 3px; background: var(--accent); box-shadow: 0 7px 16px rgba(21, 94, 239, .2); color: #fff; font: 900 15px var(--data); }
.sidebar-nav { display: grid; gap: 5px; }
.sidebar-nav button { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px; padding: 10px 11px; border: 0; border-radius: 9px; background: transparent; color: #5d6675; font-weight: 750; text-align: left; cursor: pointer; transition: background .15s ease, color .15s ease; }
.sidebar-nav button:hover { background: var(--paper-raised); color: var(--ink); }
.sidebar-nav button.is-active { background: var(--accent-soft); color: var(--accent); }
.nav-glyph { display: grid; place-items: center; width: 21px; height: 21px; border: 1px solid currentColor; border-radius: 6px; font-size: 10px; font-weight: 900; }
.sidebar-note { margin-top: auto; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: linear-gradient(145deg, #fff, var(--paper-raised)); }
.sidebar-note strong { font-size: 12px; }
.sidebar-note p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }

.dashboard-main { min-width: 0; background: linear-gradient(180deg, #fff 0, #fff 74px, #fbfcfe 74px, #fff 320px); }
.dashboard-topbar { position: sticky; z-index: 15; top: 0; display: flex; align-items: center; justify-content: space-between; min-height: 62px; padding: 0 30px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .95); backdrop-filter: blur(12px); }
.breadcrumb { color: var(--muted); font-size: 12px; }
.breadcrumb b { margin: 0 8px; color: var(--line-strong); }
.sync-status { display: flex; align-items: center; gap: 7px; color: #536174; font-size: 11px; }
.sync-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px var(--orange-soft); }

.dashboard-shell { position: relative; width: 100%; max-width: 1500px; margin: 0 auto; padding: 28px 30px 48px; }
.page-header { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 0 0 22px; }
.page-header h1 { margin: 0 0 5px; font-size: 30px; line-height: 1.2; letter-spacing: -.045em; }
.page-header p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 13px; }
.eyebrow, .section-kicker { margin: 0 0 5px; color: var(--accent); font-size: 10px; font-weight: 900; letter-spacing: .12em; }

.comparison-ribbon { display: grid; grid-template-columns: max-content 40px max-content max-content; align-items: stretch; min-width: 520px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow-soft); }
.ribbon-date, .ribbon-update { display: grid; align-content: center; gap: 2px; padding: 11px 16px; }
.ribbon-date span, .ribbon-update span { color: var(--muted); font-size: 9px; font-weight: 750; }
.ribbon-date strong, .ribbon-update strong { font: 850 13px var(--data); }
.ribbon-date.is-current { background: var(--accent-soft); color: var(--accent-strong); }
.ribbon-arrow { display: grid; place-items: center; background: linear-gradient(90deg, var(--accent-soft), #fff); }
.ribbon-arrow span { position: relative; width: 23px; height: 1px; background: var(--accent); }
.ribbon-arrow span::after { position: absolute; right: 0; top: -3px; width: 6px; height: 6px; border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); content: ""; transform: rotate(45deg); }
.ribbon-update { margin-left: 2px; border-left: 1px solid var(--line); }

.coverage-bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 0 0 12px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); }
.coverage-bar > div { display: flex; align-items: center; gap: 8px; }
.coverage-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }
.coverage-bar strong { font-size: 12px; }
.coverage-label { padding-left: 8px; border-left: 1px solid var(--line); color: var(--muted-soft); font-size: 10px; }
.coverage-bar p { margin: 0; color: var(--orange); font-size: 10px; text-align: right; }

.filters { display: grid; grid-template-columns: minmax(190px, .65fr) minmax(220px, 1fr) minmax(310px, 1.35fr); gap: 8px; margin: 0 0 23px; padding: 9px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper-raised); }
.filters label { display: grid; gap: 5px; padding: 3px 5px; color: var(--muted); font-size: 10px; font-weight: 800; }
.filters input, .filters select { width: 100%; min-height: 40px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); color: var(--ink); }
.filter-note { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 0 12px; padding: 5px 10px; border-left: 1px solid var(--line); }
.filter-note span { grid-row: 1 / 3; color: var(--muted); font-size: 10px; }
.filter-note strong { font-size: 12px; }
.filter-note small { color: var(--muted); font-size: 9px; }

.section-heading, .detail-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin: 0 2px 12px; }
.section-heading h2, .detail-heading h2 { margin: 0; font-size: 20px; letter-spacing: -.03em; }
.section-heading > p, .detail-heading p:not(.section-kicker) { margin: 0; color: var(--muted); font-size: 10px; }
.legend-dot { display: inline-block; width: 6px; height: 6px; margin: 0 4px 1px 0; border-radius: 50%; }
.legend-dot.is-up { background: var(--green); }
.legend-dot.is-down { background: var(--danger); }
.legend-dot.is-flat { background: var(--muted-soft); }

.ledger-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 11px; background: var(--paper); box-shadow: 0 4px 22px rgba(17, 24, 39, .035); }
.ledger-table { width: 100%; min-width: 930px; border-collapse: separate; border-spacing: 0; font-size: 12px; }
.ledger-table th, .ledger-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.ledger-table th { position: sticky; top: 0; z-index: 2; background: var(--paper-raised); color: #5f6b7b; font-size: 10px; font-weight: 850; white-space: nowrap; }
.ledger-table th:first-child, .ledger-table td:first-child { position: sticky; left: 0; z-index: 3; background: inherit; }
.ledger-table th:first-child { background: var(--paper-raised); }
.ledger-table tbody tr:last-child td { border-bottom: 0; }
.ledger-table tbody tr { background: #fff; }
.ledger-table tbody tr:hover { background: #f7faff; }
.store-name { display: grid; gap: 2px; min-width: 154px; }
.store-name strong { font-size: 12px; }
.store-name small { color: var(--muted-soft); font: 9px var(--data); }
.score-cell { display: grid; grid-template-columns: auto 1fr; align-items: baseline; gap: 7px; min-width: 118px; }
.score-value { font: 900 20px/1 var(--data); letter-spacing: -.035em; }
.delta { width: max-content; padding: 2px 5px; border-radius: 99px; font: 800 9px var(--data); white-space: nowrap; }
.delta.up { background: var(--green-soft); color: var(--green); }
.delta.down { background: var(--danger-soft); color: var(--danger); }
.delta.flat { background: var(--paper-raised); color: var(--muted); }
.delta.unavailable { background: var(--orange-soft); color: var(--orange); }
.text-action { padding: 7px 9px; border: 0; border-radius: 7px; background: transparent; color: var(--accent); font-size: 10px; font-weight: 850; cursor: pointer; }
.text-action:hover { background: var(--accent-soft); }

.detail-panel { margin-top: 16px; padding: 18px; border: 1px solid #cfdcf7; border-radius: 12px; background: linear-gradient(180deg, #fbfdff, #fff 32%); box-shadow: var(--shadow-soft); }
.score-tabs, .segmented { display: flex; gap: 3px; width: max-content; padding: 3px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper-raised); }
.score-tabs { margin-bottom: 14px; }
.score-tabs button, .segmented button { padding: 6px 10px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 800; cursor: pointer; }
.score-tabs button.is-active, .segmented button.is-active { background: #fff; color: var(--accent); box-shadow: 0 1px 3px rgba(17, 19, 24, .1); }
.trend-shell { position: relative; min-height: 250px; padding: 12px 12px 5px; overflow-x: auto; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.trend-svg { display: block; width: 100%; min-width: 820px; height: 232px; overflow: visible; }
.trend-grid { stroke: #e9edf3; stroke-width: 1; }
.trend-axis-label { fill: #98a2b3; font: 9px var(--data); }
.trend-area { fill: url(#trendFill); }
.trend-line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.trend-dot { fill: #fff; stroke: var(--accent); stroke-width: 2; }
.trend-dot:hover { fill: var(--accent); }
.trend-missing { fill: #c8ced8; }

.metric-group-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin-bottom: 12px; }
.metric-group-cards button { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; padding: 14px 15px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); text-align: left; cursor: pointer; }
.metric-group-cards button::before { position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: transparent; content: ""; }
.metric-group-cards button:hover { border-color: #b9caf1; }
.metric-group-cards button.is-active { border-color: #b9caf1; background: var(--accent-soft); }
.metric-group-cards button.is-active::before { background: var(--accent); }
.metric-group-cards span { font-size: 13px; font-weight: 850; }
.metric-group-cards strong { color: var(--accent); font: 900 12px var(--data); }
.metric-group-cards small { grid-column: 1 / -1; color: var(--muted); font-size: 10px; }
.service-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 10px; padding: 0 3px; }
.service-toolbar p { margin: 0; color: var(--muted); font-size: 10px; }
.service-toolbar p:first-child { color: var(--ink); font-weight: 800; }
.service-table { min-width: 1180px; }
.service-table th:not(:first-child), .service-table td:not(:first-child) { text-align: right; }
.metric-cell { display: grid; justify-items: end; gap: 4px; min-width: 118px; }
.metric-cell strong { font: 850 13px var(--data); }
.metric-cell .delta { font-size: 8px; }
.metric-detail-action { width: 100%; margin: -5px; padding: 5px; border: 0; border-radius: 7px; background: transparent; color: inherit; cursor: pointer; }
.metric-detail-action:hover { background: var(--accent-soft); }
.metric-detail-action::after { color: var(--accent); font-size: 8px; font-weight: 800; content: "查看店铺拆分"; opacity: 0; transition: opacity .15s ease; }
.metric-detail-action:hover::after, .metric-detail-action:focus-visible::after { opacity: 1; }
.metric-cell .delta.good { background: var(--green-soft); color: var(--green); }
.metric-cell .delta.bad { background: var(--danger-soft); color: var(--danger); }
.metric-cell .delta.neutral { background: var(--paper-raised); color: var(--muted); }
.metric-cell .delta.unavailable { background: var(--orange-soft); color: var(--orange); }
.metric-detail-panel { border-color: #cfdcf7; }
.metric-detail-summary { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; padding: 12px 14px; border-radius: 9px; background: var(--accent-soft); }
.metric-detail-summary > span:first-child { color: var(--accent-strong); font-size: 10px; font-weight: 800; }
.metric-detail-summary strong { font: 900 22px var(--data); }
.metric-detail-table { min-width: 620px; }
.metric-detail-table th:not(:first-child), .metric-detail-table td:not(:first-child) { text-align: right; }
.metric-detail-value { font: 850 13px var(--data); }
.empty-row td { padding: 34px; color: var(--muted); text-align: center !important; }

@media (max-width: 1100px) {
  .dashboard-app { grid-template-columns: 76px minmax(0, 1fr); }
  .dashboard-sidebar { padding: 18px 10px; }
  .dashboard-brand { justify-content: center; }
  .dashboard-brand > span:last-child, .sidebar-nav button span:last-child, .sidebar-note { display: none; }
  .sidebar-nav button { justify-content: center; padding: 10px; }
  .dashboard-topbar, .dashboard-shell { padding-left: 22px; padding-right: 22px; }
  .page-header { align-items: flex-start; flex-direction: column; }
  .comparison-ribbon { width: 100%; min-width: 0; }
}

@media (max-width: 760px) {
  html { scroll-behavior: auto; }
  .dashboard-app { display: block; }
  .dashboard-sidebar { position: static; display: block; width: 100%; height: auto; padding: 10px 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .dashboard-brand, .sidebar-note { display: none; }
  .sidebar-nav { display: flex; overflow-x: auto; }
  .sidebar-nav button { justify-content: center; min-width: max-content; min-height: 38px; padding: 8px 11px; }
  .sidebar-nav button span:last-child { display: inline; }
  .nav-glyph { display: none; }
  .dashboard-topbar { min-height: 54px; padding: 0 16px; }
  .dashboard-shell { padding: 20px 16px 34px; }
  .page-header { padding-bottom: 15px; }
  .page-header h1 { font-size: 26px; }
  .comparison-ribbon { grid-template-columns: 1fr 30px 1fr; }
  .ribbon-update { grid-column: 1 / -1; border-top: 1px solid var(--line); border-left: 0; }
  .coverage-bar, .section-heading, .service-toolbar { align-items: flex-start; flex-direction: column; }
  .coverage-bar p { text-align: left; }
  .filters { grid-template-columns: 1fr 1fr; }
  .filter-note { grid-column: 1 / -1; }
  .metric-group-cards { display: flex; overflow-x: auto; padding-bottom: 3px; }
  .metric-group-cards button { min-width: 220px; }
  .detail-panel { padding: 14px; }
}

@media (max-width: 480px) {
  .dashboard-topbar .breadcrumb { font-size: 11px; }
  .sync-status { font-size: 0; }
  .filters { grid-template-columns: 1fr; }
  .filter-note { grid-column: auto; }
  .score-tabs { max-width: 100%; overflow-x: auto; }
  .segmented { width: 100%; }
  .segmented button { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

.auth-notice {
  max-width: 720px;
  margin: 64px auto;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow);
}
.auth-notice strong { display: block; margin-bottom: 8px; font-size: 18px; }
.auth-notice p { margin: 0; color: var(--muted); }
.auth-notice a { display: inline-block; margin-top: 16px; padding: 9px 16px; border-radius: 8px; background: var(--accent); color: #fff; font-weight: 800; text-decoration: none; }