:root {
  color-scheme: light;
  --bg: #f5f6f3;
  --surface: #ffffff;
  --surface-soft: #f0f3ef;
  --text: #171a18;
  --muted: #657068;
  --border: #dce2dc;
  --border-strong: #c9d2ca;
  --brand: #147d64;
  --brand-soft: #dcefe9;
  --brand-ink: #0d5a48;
  --orange: #d86a48;
  --orange-soft: #f7e2da;
  --blue: #3d78ad;
  --blue-soft: #dfeaf4;
  --gold: #bd8a2d;
  --gold-soft: #f4ead5;
  --danger: #bd4f4f;
  --shadow: 0 1px 2px rgb(26 38 30 / 5%), 0 8px 24px rgb(26 38 30 / 5%);
  --radius: 8px;
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
}

button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid rgb(20 125 100 / 22%);
  outline-offset: 2px;
}

a {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 64px;
  display: grid;
  grid-template-columns: 220px minmax(260px, 620px) 1fr;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
  color: var(--text);
  background: rgb(255 255 255 / 94%);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--surface);
  background: var(--brand);
  border-radius: 7px;
}

.brand-mark svg,
.empty-icon svg {
  width: 19px;
  height: 19px;
}

.stock-search {
  height: 42px;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding-left: 13px;
  background: var(--surface-soft);
  border: 1px solid transparent;
  border-radius: 7px;
}

.stock-search:focus-within {
  background: var(--surface);
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgb(20 125 100 / 12%);
}

.stock-search svg {
  width: 17px;
  height: 17px;
  color: var(--muted);
}

.stock-search input {
  width: 100%;
  min-width: 0;
  color: var(--text);
  background: transparent;
  border: 0;
  outline: 0;
}

.stock-search button,
.primary-button,
.secondary-button {
  min-height: 38px;
  padding: 0 16px;
  color: var(--surface);
  background: var(--brand);
  border: 0;
  border-radius: 6px;
  font-weight: 600;
}

.stock-search button {
  height: 34px;
  min-height: 34px;
  margin-right: 3px;
}

.stock-search button:hover,
.primary-button:hover {
  background: var(--brand-ink);
}

.primary-button:disabled {
  color: var(--muted);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  cursor: default;
}

.view-switch {
  justify-self: end;
  display: inline-flex;
  padding: 3px;
  background: var(--surface-soft);
  border-radius: 7px;
}

.view-button {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 5px;
}

.view-button svg {
  width: 16px;
  height: 16px;
}

.view-button.is-active {
  color: var(--text);
  background: var(--surface);
  box-shadow: 0 1px 3px rgb(20 30 24 / 8%);
}

.workspace {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: calc(100vh - 64px);
}

.sidebar {
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  padding: 20px 12px 14px;
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.sidebar-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.count-badge {
  min-width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--brand-ink);
  background: var(--brand-soft);
  border-radius: 11px;
  font-size: 12px;
}

.count-badge.is-waiting {
  color: #8c402a;
  background: var(--orange-soft);
}

.saved-stocks {
  display: grid;
  gap: 4px;
}

.queue-heading {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.queued-stocks {
  display: grid;
  gap: 4px;
}

.queue-empty {
  padding: 8px;
  color: var(--muted);
  font-size: 12px;
}

.queued-stock {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 30px;
  align-items: center;
  gap: 3px;
}

.queued-open,
.queued-remove {
  color: var(--text);
  background: transparent;
  border: 0;
  border-radius: 6px;
}

.queued-open:hover,
.queued-remove:hover {
  background: var(--surface-soft);
}

.queued-open {
  min-width: 0;
  min-height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  text-align: left;
}

.queued-open svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  color: var(--orange);
}

.queued-open > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
}

.queued-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.queued-copy strong,
.queued-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queued-copy strong {
  font-size: 13px;
}

.queued-copy small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 400;
}

.queued-remove {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.queued-remove svg {
  width: 14px;
  height: 14px;
}

.saved-stock {
  width: 100%;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 14px;
  align-items: center;
  gap: 9px;
  padding: 8px;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 0;
  border-radius: 6px;
}

.saved-stock:hover {
  background: var(--surface-soft);
}

.saved-stock.is-active {
  background: var(--brand-soft);
}

.stock-logo {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--brand-ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
}

.saved-stock.is-active .stock-logo {
  border-color: rgb(20 125 100 / 25%);
}

.stock-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.stock-copy strong,
.stock-copy span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stock-copy strong {
  font-size: 14px;
  font-weight: 600;
}

.stock-copy span {
  color: var(--muted);
  font-size: 12px;
}

.saved-stock > svg {
  width: 14px;
  height: 14px;
  color: var(--brand);
  opacity: 0;
}

.saved-stock.is-active > svg {
  opacity: 1;
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 8px 0;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 12px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--brand);
  border-radius: 50%;
}

.main-content {
  min-width: 0;
  padding: 28px clamp(20px, 4vw, 56px) 48px;
}

.view-section {
  max-width: 1280px;
  margin: 0 auto;
}

.company-toolbar,
.compare-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.company-identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 13px;
}

.market-badge {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  color: var(--surface);
  background: var(--text);
  border-radius: 7px;
  font-weight: 700;
}

.company-name-row {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 9px;
  flex-wrap: wrap;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: 0;
}

h2 {
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0;
}

.company-name-row span,
.company-identity p,
.compare-header p,
.section-heading p {
  color: var(--muted);
  font-size: 13px;
}

.company-identity p {
  margin-top: 3px;
}

.toolbar-actions,
.compare-selects {
  display: flex;
  align-items: end;
  gap: 10px;
}

.select-field {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.select-field select {
  min-width: 150px;
  height: 38px;
  padding: 0 34px 0 11px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
}

.icon-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--brand-ink);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
}

.icon-button:hover {
  background: var(--brand-soft);
}

.icon-button svg {
  width: 17px;
  height: 17px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.metric-card {
  min-width: 0;
  padding: 15px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgb(26 38 30 / 3%);
}

.metric-label {
  color: var(--muted);
  font-size: 12px;
}

.metric-value {
  margin-top: 6px;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 700;
}

.metric-unit {
  margin-left: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.metric-delta {
  margin-top: 5px;
  color: var(--brand-ink);
  font-size: 12px;
}

.metric-delta.is-neutral {
  color: var(--muted);
}

.chart-section,
.detail-section {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.chart-section {
  padding: 18px;
}

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

.section-heading p {
  margin-top: 3px;
}

.section-heading.compact {
  padding: 15px 16px 12px;
  border-bottom: 1px solid var(--border);
}

.legend {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

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

.legend-line {
  width: 16px;
  height: 6px;
  border-radius: 3px;
}

.legend-line.revenue {
  background: var(--blue);
}

.legend-line.cost {
  background: var(--orange);
}

.legend-line.profit {
  background: var(--brand);
}

.sankey-chart {
  position: relative;
  width: 100%;
  min-height: 510px;
  margin-top: 10px;
}

.sankey-chart svg,
.mini-sankey svg {
  display: block;
  width: 100%;
  height: auto;
}

.sankey-link {
  fill: none;
  stroke-opacity: 0.32;
  transition: stroke-opacity 140ms ease;
}

.sankey-link:hover {
  stroke-opacity: 0.65;
}

.sankey-node rect {
  stroke: var(--border-strong);
  stroke-width: 1;
  rx: 3;
}

.sankey-node text {
  fill: var(--text);
  paint-order: stroke;
  stroke: var(--surface);
  stroke-width: 4px;
  stroke-linejoin: round;
  font-size: 12px;
  font-weight: 600;
  pointer-events: none;
}

.sankey-node .node-value {
  fill: var(--muted);
  font-weight: 400;
}

.chart-tooltip {
  position: absolute;
  z-index: 5;
  max-width: 280px;
  padding: 9px 11px;
  color: var(--surface);
  background: var(--text);
  border-radius: 6px;
  box-shadow: var(--shadow);
  font-size: 12px;
  pointer-events: none;
  transform: translate(-50%, -100%);
}

.chart-tooltip strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
}

.chart-detail {
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 9px 12px;
  color: var(--muted);
  background: var(--surface-soft);
  border-radius: 6px;
  font-size: 12px;
}

.details-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 18px;
}

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

.observation {
  min-width: 0;
  padding: 15px 16px 17px;
}

.observation + .observation {
  border-left: 1px solid var(--border);
}

.observation-icon {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  margin-bottom: 10px;
  color: var(--brand-ink);
  background: var(--brand-soft);
  border-radius: 6px;
}

.observation-icon.is-warm {
  color: #8c402a;
  background: var(--orange-soft);
}

.observation-icon.is-blue {
  color: #285f8e;
  background: var(--blue-soft);
}

.observation-icon svg {
  width: 15px;
  height: 15px;
}

.observation strong {
  display: block;
  margin-bottom: 5px;
  font-size: 13px;
}

.observation p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.source-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 11px 14px;
  margin: 0;
  padding: 15px 16px 17px;
  font-size: 12px;
}

.source-details dt {
  color: var(--muted);
}

.source-details dd {
  min-width: 0;
  margin: 0;
  text-align: right;
  overflow-wrap: anywhere;
}

.source-details a {
  color: var(--brand-ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.compare-header h1 {
  margin-bottom: 4px;
}

.compare-selects > svg {
  width: 18px;
  height: 18px;
  margin-bottom: 10px;
  color: var(--muted);
}

.compare-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.compare-metric {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.compare-metric > span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.compare-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.compare-values strong {
  display: block;
  font-size: 19px;
}

.compare-values small {
  color: var(--muted);
}

.compare-values > div + div {
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

.compare-charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.compare-panel {
  min-width: 0;
  padding: 17px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.compare-panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.compare-panel-heading span {
  color: var(--muted);
  font-size: 12px;
}

.mini-sankey {
  min-height: 440px;
  margin-top: 10px;
}

.empty-view {
  max-width: 520px;
  margin: 15vh auto 0;
  text-align: center;
}

.empty-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  color: var(--brand-ink);
  background: var(--brand-soft);
  border-radius: 8px;
}

.empty-view p {
  margin: 8px auto 20px;
  color: var(--muted);
  line-height: 1.7;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.primary-button svg {
  width: 17px;
  height: 17px;
}

.secondary-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
  color: var(--brand-ink);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-weight: 600;
}

.secondary-button:hover {
  background: var(--brand-soft);
}

.secondary-button:disabled {
  color: var(--muted);
  background: var(--surface-soft);
  cursor: wait;
}

.secondary-button svg {
  width: 16px;
  height: 16px;
}

.ai-section {
  margin-top: 18px;
  padding: 17px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.ai-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.ai-kicker {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 5px;
  color: var(--brand-ink);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.ai-kicker svg {
  width: 13px;
  height: 13px;
}

.ai-insight {
  margin-top: 14px;
  padding-top: 14px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 13px;
  line-height: 1.85;
  white-space: pre-wrap;
}

.report-url-field {
  width: min(480px, 100%);
  display: grid;
  gap: 6px;
  margin: 0 auto 12px;
  color: var(--muted);
  text-align: left;
  font-size: 12px;
}

.report-url-field input {
  width: 100%;
  height: 42px;
  padding: 0 11px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 40;
  min-width: 220px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 10px 14px;
  color: var(--surface);
  text-align: center;
  background: var(--text);
  border-radius: 6px;
  box-shadow: var(--shadow);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

[hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: auto minmax(220px, 1fr) auto;
  }

  .brand {
    font-size: 0;
  }

  .brand-mark {
    font-size: initial;
  }

  .workspace {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .sidebar {
    padding-inline: 9px;
  }

  .sidebar-heading,
  .sidebar-footer,
  .stock-copy,
  .saved-stock > svg {
    display: none;
  }

  .saved-stock {
    display: grid;
    grid-template-columns: 1fr;
    padding: 8px 9px;
  }

  .stock-logo {
    margin: 0 auto;
  }

  .queue-heading,
  .queue-empty,
  .queued-remove {
    display: none;
  }

  .queued-stocks {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }

  .queued-stock {
    display: block;
  }

  .queued-open {
    justify-content: center;
    padding-inline: 4px;
  }

  .queued-open > span {
    display: none;
  }

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

  .details-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    position: static;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
    padding: 10px 12px;
  }

  .stock-search {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .view-switch {
    grid-column: 2;
    grid-row: 1;
  }

  .workspace {
    display: block;
  }

  .sidebar {
    position: static;
    height: auto;
    display: block;
    padding: 8px 12px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .saved-stocks {
    display: flex;
    width: max-content;
  }

  .sidebar-heading.queue-heading {
    display: flex;
    margin: 0 0 0 10px;
    padding: 0 8px;
    border-top: 0;
  }

  .queued-stocks {
    display: flex;
    width: max-content;
    margin: 0;
    padding: 0;
    border-top: 0;
  }

  .sidebar {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .queued-open > span {
    display: grid;
  }

  .queued-open {
    padding-inline: 8px;
  }

  .saved-stock {
    width: auto;
  }

  .main-content {
    padding: 20px 14px 36px;
  }

  .company-toolbar,
  .compare-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar-actions,
  .compare-selects {
    width: 100%;
  }

  .select-field {
    flex: 1;
  }

  .select-field select {
    width: 100%;
    min-width: 0;
  }

  .metric-grid {
    gap: 8px;
  }

  .metric-card {
    padding: 13px;
  }

  .metric-value {
    font-size: 19px;
  }

  .chart-section {
    padding: 14px 10px 12px;
  }

  .section-heading:not(.compact) {
    align-items: flex-start;
    flex-direction: column;
  }

  .sankey-chart {
    min-height: 640px;
  }

  .observations {
    grid-template-columns: 1fr;
  }

  .observation + .observation {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .compare-metrics,
  .compare-charts {
    grid-template-columns: 1fr;
  }

  .compare-selects > svg {
    flex: 0 0 auto;
  }
}

@media (max-width: 420px) {
  .view-button {
    padding-inline: 9px;
  }

  .view-button span {
    display: none;
  }

  .company-identity {
    align-items: flex-start;
  }

  .market-badge {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  h1 {
    font-size: 21px;
  }

  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .legend {
    gap: 8px;
  }

  .source-details {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .source-details dd {
    margin-bottom: 8px;
    text-align: left;
  }
}