:root {
  color-scheme: light;
  --red: #cf1018;
  --red-dark: #8f0910;
  --red-soft: #fff0f1;
  --gold: #d99a27;
  --green: #17875d;
  --blue: #2768a8;
  --ink: #251c1d;
  --muted: #77696b;
  --line: rgba(126, 35, 41, 0.14);
  --paper: #fffaf9;
  --surface: #ffffff;
  --shadow: 0 14px 38px rgba(91, 27, 31, 0.08);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: #f7f3f3;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(207, 16, 24, 0.045), transparent 34%),
    #f7f3f3;
}

button,
input,
select {
  font: inherit;
}

button,
a,
select {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.analytics-app {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.analytics-sidebar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 22px 18px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 24%),
    #8d0c13;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.analytics-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 4px 4px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.analytics-brand img {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 7px 20px rgba(48, 0, 3, 0.22);
}

.analytics-brand span {
  min-width: 0;
}

.analytics-brand strong,
.analytics-brand small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.analytics-brand strong {
  font-size: 16px;
}

.analytics-brand small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
}

.analytics-nav {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.analytics-nav button {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: rgba(255, 255, 255, 0.78);
  background: transparent;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.analytics-nav button span {
  width: 20px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 20px;
  text-align: center;
}

.analytics-nav button:hover,
.analytics-nav button.is-active {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.12);
}

.analytics-nav button.is-active span {
  color: #ffd5d8;
}

.sidebar-scope {
  margin-top: auto;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: rgba(60, 0, 3, 0.18);
}

.sidebar-scope span,
.sidebar-scope strong,
.sidebar-scope small {
  display: block;
}

.sidebar-scope span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
  font-weight: 800;
}

.sidebar-scope strong {
  margin-top: 7px;
  font-size: 14px;
}

.sidebar-scope small {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.55;
}

.analytics-main {
  width: min(1500px, 100%);
  min-width: 0;
  margin: 0 auto;
  padding: 28px 30px 44px;
}

.analytics-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.analytics-header > div:first-child {
  min-width: 0;
}

.analytics-header .eyebrow {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.analytics-header h1 {
  margin: 0;
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: 0;
}

.analytics-header p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.button:hover {
  border-color: rgba(207, 16, 24, 0.35);
}

.button.primary {
  color: #fff;
  border-color: var(--red);
  background: var(--red);
  box-shadow: 0 8px 20px rgba(207, 16, 24, 0.18);
}

.button.primary:hover {
  background: var(--red-dark);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.74);
}

.button.text {
  min-height: 32px;
  padding: 0 8px;
  color: var(--red-dark);
  border-color: transparent;
  background: transparent;
}

.analytics-filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(132px, 1fr));
  gap: 12px;
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.analytics-filters label {
  min-width: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.analytics-filters input,
.analytics-filters select {
  width: 100%;
  min-width: 0;
  height: 42px;
  margin-top: 7px;
  padding: 0 11px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
  background: #fff;
}

.analytics-filters input:focus,
.analytics-filters select:focus {
  border-color: rgba(207, 16, 24, 0.55);
  box-shadow: 0 0 0 3px rgba(207, 16, 24, 0.08);
}

.filter-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 2px;
}

.mode-switch,
.table-density {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #f8f3f3;
}

.mode-switch button,
.table-density button {
  min-height: 30px;
  padding: 0 12px;
  border: 0;
  border-radius: 5px;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.mode-switch button.is-active,
.table-density button.is-active {
  color: var(--red-dark);
  background: #fff;
  box-shadow: 0 4px 12px rgba(74, 18, 22, 0.09);
}

.data-banner,
.loading-panel {
  margin-top: 16px;
  padding: 13px 15px;
  border: 1px solid rgba(207, 16, 24, 0.18);
  border-radius: 7px;
  color: var(--red-dark);
  background: var(--red-soft);
  font-size: 13px;
  font-weight: 700;
}

.data-banner[data-kind="success"] {
  color: #126b4b;
  border-color: rgba(23, 135, 93, 0.2);
  background: #eef9f4;
}

.data-banner[data-kind="warning"] {
  color: #825512;
  border-color: rgba(217, 154, 39, 0.24);
  background: #fff8e9;
}

.analytics-view {
  margin-top: 16px;
}

.analytics-view.is-active {
  display: block;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.kpi-grid.compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.kpi-card {
  position: relative;
  min-width: 0;
  padding: 17px 16px 16px 19px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.kpi-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  content: "";
  background: var(--accent, var(--red));
}

.kpi-card span,
.kpi-card strong,
.kpi-card small {
  display: block;
}

.kpi-card span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.kpi-card strong {
  margin-top: 12px;
  overflow: hidden;
  font-size: 30px;
  line-height: 1.1;
  text-overflow: ellipsis;
}

.kpi-card small {
  margin-top: 9px;
  color: var(--muted);
  font-size: 11px;
}

.analytics-grid {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.analytics-grid-main {
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.75fr);
}

.analytics-grid-secondary {
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
}

.analytics-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.card-heading h2,
.card-heading p {
  margin: 0;
}

.card-heading h2 {
  font-size: 17px;
}

.card-heading p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}

.chart-legend {
  display: flex;
  gap: 12px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.chart-legend i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.chart-legend .red {
  background: var(--red);
}

.chart-legend .gold {
  background: var(--gold);
}

.trend-chart {
  min-height: 260px;
  margin-top: 14px;
}

.trend-chart svg {
  display: block;
  width: 100%;
  min-height: 250px;
  overflow: visible;
}

.trend-grid-line {
  stroke: rgba(119, 105, 107, 0.14);
  stroke-width: 1;
}

.trend-area {
  fill: url(#trendAreaFill);
}

.trend-line {
  fill: none;
  stroke: var(--red);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.trend-order-line {
  fill: none;
  stroke: var(--gold);
  stroke-dasharray: 5 5;
  stroke-width: 2;
}

.trend-dot {
  fill: #fff;
  stroke: var(--red);
  stroke-width: 3;
}

.trend-label,
.trend-value {
  fill: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.trend-value {
  fill: var(--red-dark);
}

.empty-chart {
  display: grid;
  min-height: 240px;
  place-items: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 7px;
  background: #fffafa;
  font-size: 13px;
}

.channel-chart {
  display: grid;
  grid-template-columns: minmax(150px, 0.85fr) minmax(170px, 1fr);
  align-items: center;
  gap: 20px;
  min-height: 260px;
  margin-top: 12px;
}

.donut {
  position: relative;
  width: min(190px, 100%);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background: conic-gradient(var(--red) 0 25%, var(--gold) 25% 50%, var(--green) 50% 75%, var(--blue) 75% 100%);
}

.donut::after {
  position: absolute;
  inset: 24%;
  content: "";
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 1px var(--line);
}

.donut-center {
  position: absolute;
  inset: 30%;
  z-index: 2;
  display: grid;
  align-content: center;
  text-align: center;
}

.donut-center strong,
.donut-center small {
  display: block;
}

.donut-center strong {
  font-size: 18px;
}

.donut-center small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.channel-legend {
  display: grid;
  gap: 8px;
}

.channel-legend button {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 7px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.channel-legend button:hover {
  border-color: var(--line);
  background: #fff8f8;
}

.channel-legend i {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--channel-color);
}

.channel-legend span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-legend strong {
  font-size: 12px;
}

.rank-list,
.insight-list,
.product-performance,
.category-performance,
.activity-performance,
.status-funnel,
.stock-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.wide-card {
  grid-column: 1 / -1;
}

.activity-row {
  display: grid;
  grid-template-columns: minmax(88px, 0.65fr) minmax(130px, 1.7fr) repeat(3, minmax(62px, auto));
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.activity-row:last-child {
  border-bottom: 0;
}

.activity-row > span,
.activity-row > strong {
  min-width: 0;
  font-size: 12px;
}

.activity-row > span {
  color: var(--muted);
  text-align: right;
}

.activity-row > strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-row {
  display: grid;
  grid-template-columns: minmax(110px, 0.8fr) minmax(120px, 1.7fr) auto;
  align-items: center;
  gap: 12px;
}

.rank-row > span,
.rank-row > strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-row > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.rank-row > strong {
  font-size: 12px;
  text-align: right;
}

.rank-track,
.status-track,
.stock-track {
  height: 10px;
  overflow: hidden;
  border-radius: 3px;
  background: #f1e9e9;
}

.rank-track i,
.status-track i,
.stock-track i {
  display: block;
  width: var(--width, 0%);
  height: 100%;
  border-radius: inherit;
  background: var(--bar-color, var(--red));
  transition: width 240ms ease;
}

.insight-item {
  padding: 11px 10px 12px 14px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-left: 4px solid var(--insight-color, var(--red));
  border-radius: 0;
  background: transparent;
}

.insight-item strong,
.insight-item span {
  display: block;
}

.insight-item strong {
  font-size: 13px;
}

.insight-item span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.table-card {
  padding-bottom: 10px;
}

.data-table-wrap {
  width: 100%;
  margin-top: 14px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 7px;
  scrollbar-width: thin;
}

.data-table {
  width: 100%;
  min-width: 850px;
  border-collapse: collapse;
  background: #fff;
}

.data-table th,
.data-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--muted);
  background: #fff7f7;
  font-size: 11px;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:hover {
  background: #fffafa;
}

.data-table.compact th,
.data-table.compact td {
  padding-top: 8px;
  padding-bottom: 8px;
}

.order-cell strong,
.order-cell small {
  display: block;
}

.order-cell small {
  margin-top: 4px;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--status-color, var(--red-dark));
  background: var(--status-bg, var(--red-soft));
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.empty-row td {
  height: 160px;
  color: var(--muted);
  text-align: center;
}

.performance-row {
  display: grid;
  grid-template-columns: minmax(110px, 0.8fr) minmax(140px, 1.6fr) repeat(3, minmax(70px, auto));
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.performance-row:last-child {
  border-bottom: 0;
}

.performance-row > strong,
.performance-row > span {
  min-width: 0;
  font-size: 12px;
}

.performance-row > strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.performance-row > span {
  color: var(--muted);
  text-align: right;
}

.category-row,
.status-row,
.stock-row {
  display: grid;
  grid-template-columns: minmax(90px, 0.65fr) minmax(120px, 1.5fr) auto;
  align-items: center;
  gap: 12px;
}

.category-row span,
.status-row span,
.stock-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.category-row strong,
.status-row strong,
.stock-row strong {
  font-size: 12px;
  text-align: right;
}

.login-dialog {
  width: min(420px, calc(100vw - 32px));
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(51, 8, 12, 0.3);
}

.login-dialog::backdrop {
  background: rgba(42, 15, 17, 0.52);
  backdrop-filter: blur(5px);
}

.login-dialog form {
  display: grid;
  gap: 14px;
  padding: 25px;
  background: #fff;
}

.login-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8f4f4;
}

.login-mode-switch button {
  height: 36px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-weight: 800;
}

.login-mode-switch button.is-active {
  color: #fff;
  background: var(--red);
}

.login-dialog img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.login-dialog p,
.login-dialog h2 {
  margin: 0;
}

.login-dialog p {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.login-dialog h2 {
  margin-top: 4px;
  font-size: 22px;
}

.login-dialog label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.login-dialog input {
  width: 100%;
  height: 42px;
  margin-top: 7px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.login-code-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 104px;
  gap: 8px;
  align-items: end;
}

.login-code-field button {
  height: 42px;
  border: 1px solid rgba(207, 16, 24, 0.28);
  border-radius: 7px;
  color: var(--red);
  background: #fff;
  font-weight: 800;
}

.login-dialog a {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.login-dialog .login-error {
  padding: 10px;
  color: var(--red-dark);
  border-radius: 6px;
  background: var(--red-soft);
  line-height: 1.5;
}

.login-dialog .login-error[data-mode="success"] {
  color: #126d4b;
  background: #e9f7f0;
}

@media (max-width: 1180px) {
  .analytics-app {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .analytics-main {
    padding-right: 22px;
    padding-left: 22px;
  }

  .analytics-filters {
    grid-template-columns: repeat(3, minmax(140px, 1fr));
  }

  .kpi-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .analytics-app {
    display: block;
  }

  .analytics-sidebar {
    position: sticky;
    display: block;
    width: 100%;
    height: auto;
    padding: 10px 14px 0;
  }

  .analytics-brand {
    padding: 0 0 10px;
    border-bottom: 0;
  }

  .analytics-brand img {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .analytics-brand small,
  .sidebar-scope {
    display: none;
  }

  .analytics-nav {
    display: flex;
    gap: 4px;
    margin: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .analytics-nav::-webkit-scrollbar {
    display: none;
  }

  .analytics-nav button {
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0 11px;
    border-radius: 6px 6px 0 0;
    font-size: 12px;
  }

  .analytics-nav button span {
    display: none;
  }

  .analytics-main {
    padding: 20px 16px 34px;
  }

  .analytics-header {
    display: block;
  }

  .header-actions {
    margin-top: 16px;
    overflow-x: auto;
  }

  .analytics-grid-main,
  .analytics-grid-secondary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .analytics-header h1 {
    font-size: 25px;
  }

  .header-actions .button {
    flex: 1 0 auto;
  }

  .analytics-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 13px;
  }

  .search-field {
    grid-column: 1 / -1;
  }

  .filter-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .mode-switch {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .kpi-grid,
  .kpi-grid.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi-card {
    padding: 14px 12px 13px 16px;
  }

  .kpi-card strong {
    font-size: 22px;
  }

  .analytics-card {
    padding: 14px;
  }

  .card-heading {
    align-items: flex-start;
  }

  .chart-legend {
    display: none;
  }

  .channel-chart {
    grid-template-columns: 1fr;
  }

  .donut {
    width: 170px;
  }

  .rank-row {
    grid-template-columns: minmax(100px, 1fr) auto;
  }

  .rank-row .rank-track {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .performance-row {
    grid-template-columns: minmax(100px, 1fr) auto auto;
  }

  .activity-row {
    grid-template-columns: minmax(90px, 1fr) auto auto;
  }

  .performance-row .rank-track {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .performance-row span:nth-last-child(-n + 2) {
    display: none;
  }

  .activity-row span:nth-last-child(-n + 2) {
    display: none;
  }
}

@media (max-width: 420px) {
  .analytics-filters {
    grid-template-columns: 1fr;
  }

  .search-field,
  .filter-actions {
    grid-column: 1;
  }

  .analytics-header .eyebrow {
    font-size: 11px;
  }

  .kpi-grid,
  .kpi-grid.compact {
    grid-template-columns: 1fr 1fr;
    gap: 9px;
  }

  .kpi-card span,
  .kpi-card small {
    font-size: 10px;
  }

  .kpi-card strong {
    font-size: 19px;
  }
}

@media print {
  .analytics-sidebar,
  .analytics-filters,
  .header-actions,
  .data-banner {
    display: none !important;
  }

  .analytics-app {
    display: block;
  }

  .analytics-main {
    width: 100%;
    padding: 0;
  }

  .analytics-card,
  .kpi-card {
    break-inside: avoid;
    box-shadow: none;
  }
}