:root {
  --bg: #edf2f6;
  --surface: #ffffff;
  --surface-soft: #f7fafc;
  --line: #d9e2ec;
  --text: #172338;
  --muted: #667386;
  --blue: #1769e0;
  --green: #08a566;
  --red: #d33b48;
  --amber: #b7791f;
  --ink: #101828;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

button,
select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 236px 1fr;
}

.sidebar {
  background: #ffffff;
  border-right: 1px solid var(--line);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav button {
  height: 42px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 0 12px;
  cursor: pointer;
}

.nav button.active {
  background: #e9f1ff;
  color: var(--blue);
  font-weight: 700;
}

.side-note {
  margin-top: auto;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.workspace {
  min-width: 0;
  padding: 24px 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
}

.topbar h1 {
  margin: 0;
  font-size: 25px;
  letter-spacing: 0;
}

.topbar p {
  margin: 6px 0 0;
  color: var(--muted);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn,
.plain-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 7px;
  cursor: pointer;
}

.icon-btn {
  width: 38px;
  height: 38px;
  font-size: 18px;
}

.plain-btn {
  height: 36px;
  padding: 0 12px;
}

.clock {
  min-width: 72px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.summary-band {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 190px;
  padding: 24px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 26px;
}

.summary-main span,
.summary-main em,
.summary-metrics span,
.sales-block span,
.sales-block em,
.kpi-grid span,
.event-card span,
.event-card em {
  color: var(--muted);
  font-style: normal;
}

.summary-main strong {
  display: block;
  font-size: 56px;
  line-height: 1.1;
  margin: 16px 0 18px;
  letter-spacing: 0;
}

.summary-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.summary-metrics > div {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.summary-metrics strong {
  display: block;
  font-size: 30px;
  margin-top: 18px;
}

.urgent-cell.warning {
  border-color: #efb4b9;
  background: #fff5f6;
}

.urgent-cell.warning span,
.urgent-cell.warning strong {
  color: var(--red);
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin: 24px 0 12px;
}

.section-title h2 {
  margin: 0;
  font-size: 18px;
}

.section-title span {
  color: var(--muted);
  font-size: 13px;
}

.store-list {
  display: grid;
  gap: 10px;
}

.store-row {
  min-height: 74px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  display: grid;
  grid-template-columns: 1fr 150px 120px 120px 80px;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  cursor: pointer;
}

.store-row:hover {
  border-color: #9bb7d7;
}

.store-name {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.store-name strong {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.store-name span,
.store-stat span {
  color: var(--muted);
  font-size: 12px;
}

.store-stat strong {
  display: block;
  margin-top: 4px;
}

.pill {
  min-width: 60px;
  height: 26px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #eef2f6;
  color: var(--muted);
  font-size: 12px;
}

.pill.red {
  background: #fff0f2;
  color: var(--red);
}

.display-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
}

.screen-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.screen-tabs button {
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  padding: 0 12px;
  cursor: pointer;
}

.screen-tabs button.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.seller-screen {
  min-height: calc(100vh - 112px);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 42px 52px;
}

.screen-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.screen-head h2 {
  margin: 0;
  font-size: 34px;
  font-weight: 500;
  letter-spacing: 0;
}

.screen-head p {
  margin: 10px 0 0;
  color: var(--muted);
}

.screen-status {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 27px;
}

.gear {
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: var(--blue);
  font-size: 25px;
  cursor: pointer;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot.green {
  background: var(--green);
}

.dot.red {
  background: var(--red);
}

.sales-block {
  margin-top: 86px;
}

.sales-block span {
  display: block;
  font-size: 26px;
  color: var(--text);
  font-weight: 700;
}

.sales-block strong {
  display: block;
  font-size: 76px;
  line-height: 1.1;
  font-weight: 400;
  margin: 18px 0 26px;
  letter-spacing: 0;
}

.sales-block em {
  font-size: 24px;
  color: #537193;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 70px;
}

.kpi-grid > div {
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}

.kpi-grid strong {
  display: block;
  font-size: 46px;
  font-weight: 400;
  margin-top: 14px;
}

.kpi-grid .danger {
  border-color: #efb4b9;
}

.kpi-grid .danger span,
.kpi-grid .danger strong {
  color: var(--red);
}

.event-card {
  border: 1px solid #d9c99e;
  border-radius: 8px;
  margin-top: 44px;
  min-height: 128px;
  padding: 20px 28px;
}

.event-card.danger {
  border-color: #efb4b9;
  background: #fff8f8;
}

.event-card strong {
  display: block;
  font-size: 38px;
  font-weight: 400;
  margin: 12px 0 14px;
}

.event-card.danger span,
.event-card.danger strong {
  color: var(--red);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.settings-grid section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.tool-card {
  min-height: 260px;
}

.primary-tool {
  border-color: #9bb7d7;
}

.optional-tool {
  background: #fbfdff;
}

.tool-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 10px;
}

.settings-grid h2 {
  margin: 0;
  font-size: 18px;
}

.settings-grid p {
  margin: 7px 0 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 13px;
}

label {
  display: block;
  margin: 14px 0 6px;
  color: var(--muted);
  font-size: 13px;
}

select,
input:not([type="checkbox"]) {
  width: 100%;
  height: 40px;
  border: 1px solid #bfccd9;
  border-radius: 6px;
  background: #fff;
  padding: 0 10px;
}

.inline-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.solid-btn,
.outline-btn {
  height: 40px;
  border-radius: 6px;
  padding: 0 13px;
  cursor: pointer;
  white-space: nowrap;
}

.solid-btn {
  border: 0;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
}

.outline-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}

.helper-box {
  margin-top: 12px;
  border: 1px dashed #bfd0e4;
  border-radius: 7px;
  background: #f7fbff;
  color: var(--muted);
  padding: 11px 12px;
  line-height: 1.5;
  font-size: 13px;
}

.green-pill {
  background: #e7f7ef;
  color: var(--green);
}

.check-row {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.check-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: 0 0 auto;
  accent-color: var(--blue);
}

.check-row span {
  min-width: 0;
  line-height: 1.35;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 2;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
  }

  .nav {
    display: flex;
  }

  .side-note {
    display: none;
  }

  .workspace {
    padding: 18px;
  }

  .summary-band,
  .summary-metrics,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .inline-action {
    grid-template-columns: 1fr;
  }

  .store-row {
    grid-template-columns: 1fr 80px;
  }

  .store-stat {
    display: none;
  }

  .seller-screen {
    min-height: auto;
    padding: 28px 24px;
  }

  .screen-head h2 {
    font-size: 25px;
  }

  .sales-block {
    margin-top: 54px;
  }

  .sales-block strong {
    font-size: 52px;
  }
}