:root {
  color-scheme: dark;
  --bg: #232324;
  --panel: #292b32;
  --panel-strong: #363a46;
  --line: #4a4f5d;
  --text: #fefefe;
  --muted: #aeb4c2;
  --soft: #3f414b;
  --red: #f63538;
  --green: #30cc5a;
  --accent: #2563eb;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.32);
  --panel-bg: rgba(41, 43, 50, 0.94);
  --tile-text: #fff;
  --chart-grid: rgba(255, 255, 255, 0.12);
  --chart-zero: rgba(255, 255, 255, 0.34);
  --chart-label: rgba(255, 255, 255, 0.56);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f3ee;
  --panel: #fffdfa;
  --panel-strong: #fff;
  --line: #ded8cd;
  --text: #25231f;
  --muted: #756f66;
  --soft: #ece6dc;
  --red: #f63538;
  --green: #30cc5a;
  --accent: #2563eb;
  --shadow: 0 18px 45px rgba(42, 37, 30, 0.12);
  --panel-bg: rgba(255, 253, 250, 0.94);
  --tile-text: #fff;
  --chart-grid: rgba(37, 35, 31, 0.1);
  --chart-zero: rgba(37, 35, 31, 0.3);
  --chart-label: rgba(37, 35, 31, 0.56);
}

:root[data-theme="light"] .flow-summary {
  --red: #c83232;
  --green: #11805f;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { min-height: 100%; }

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

button { color: inherit; font: inherit; cursor: pointer; }

.flow-shell {
  width: min(1760px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 12px 0 24px;
}

.flow-shell .flow-header {
  min-height: 56px;
  padding: 8px 12px;
}

.flow-header,
.flow-controls,
.map-panel,
.ranking-panel,
.summary-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-bg);
  box-shadow: var(--shadow);
}

.flow-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  min-height: 68px;
  padding: 12px 14px;
}

.brand {
  color: var(--accent);
  font-size: clamp(18px, 1.8vw, 26px);
  font-weight: 850;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.primary-nav,
.segmented,
.ranking-tabs,
.panel-view-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.nav-link,
.segment,
.ranking-tab,
.panel-view-tab {
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link { padding: 8px 14px; }
.segment, .ranking-tab, .panel-view-tab { min-height: 34px; padding: 0 15px; }

.nav-link.is-active,
.segment.is-active,
.ranking-tab.is-active,
.panel-view-tab.is-active {
  color: #fff;
  background: var(--accent);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.icon-button,
.refresh-button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel-strong);
}

.icon-button { width: 46px; padding: 0; font-size: 22px; }
.refresh-button { padding: 0 16px; font-weight: 700; }
.theme-button .sun { display: none; }
:root[data-theme="light"] .theme-button .sun { display: inline; }
:root[data-theme="light"] .theme-button .moon { display: none; }

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

.flow-shell .flow-summary { margin: 8px 0; }

.flow-shell .summary-card { min-height: 74px; padding: 7px 12px; }
.summary-card span { display: block; color: var(--muted); font-size: 11px; font-weight: 700; }
.summary-card strong { display: block; overflow: hidden; margin-top: 3px; font-size: clamp(18px, 1.25vw, 23px); text-overflow: ellipsis; white-space: nowrap; }
.summary-card small { display: block; overflow: hidden; margin-top: 1px; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }

.summary-card strong.value-updated,
.summary-card small.value-updated {
  animation: value-update 420ms ease-out;
}

.flow-shell .flow-controls {
  display: flex;
  align-items: end;
  gap: 10px;
  margin-bottom: 8px;
  padding: 10px;
}

.control-group { display: grid; gap: 5px; }
.flow-controls .segmented {
  display: inline-grid;
  min-width: 150px;
  min-height: 36px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 3px;
}
.flow-controls .control-group:nth-child(2) .segmented {
  min-width: 210px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.flow-controls .segment { min-height: 30px; }
.flow-controls .control-label,
.flow-controls .segment { font-size: 12px; font-weight: 500; }
.flow-controls .segment.is-active {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.14);
}
.control-label { color: var(--muted); font-size: 13px; font-weight: 700; }
.legend { display: flex; align-items: center; gap: 18px; margin-left: auto; color: var(--muted); font-size: 13px; }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend-dot { width: 10px; height: 10px; border-radius: 2px; }
.legend-dot.inflow { background: var(--red); }
.legend-dot.outflow { background: var(--green); }

.query-indicator {
  display: flex;
  min-height: 38px;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 6px 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(37, 99, 235, 0.06);
  font-size: 13px;
}
.query-indicator.is-active { color: var(--text); background: rgba(37, 99, 235, 0.12); }
.query-indicator strong { color: var(--accent); font-size: 16px; }
.query-indicator span:last-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.query-indicator-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
  animation: query-dot-pulse 1.2s ease-in-out infinite;
}

@keyframes query-dot-pulse {
  0%, 100% { transform: scale(0.8); opacity: 0.62; }
  50% { transform: scale(1.25); opacity: 1; }
}

.flow-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 12px;
  align-items: stretch;
}

.map-panel,
.ranking-panel { min-width: 0; padding: 16px; }

.panel-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.panel-heading p { margin: 0 0 4px; color: var(--accent); font-size: 13px; font-weight: 800; }
.panel-heading h1, .panel-heading h2 { margin: 0; letter-spacing: 0; }
.panel-heading h1 { font-size: 22px; }
.panel-heading h2 { font-size: 19px; }
.panel-heading.compact { align-items: center; }
.panel-heading.compact > span { color: var(--muted); font-weight: 700; }

.data-status { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.map-panel > .panel-heading .data-status { margin-left: auto; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.status-dot.live {
  background: var(--green);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 18%, transparent);
  animation: status-breathe 2.4s ease-in-out infinite;
}
.status-dot.error { background: var(--red); }

.flow-bubbles {
  position: relative;
  height: clamp(610px, calc(100vh - 350px), 820px);
  min-height: 610px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--panel-strong);
}

.flow-bubble {
  position: absolute;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--tile-text);
  background: transparent;
  text-align: center;
  transform-origin: center;
  animation: bubble-drift var(--drift-duration, 6s) ease-in-out var(--drift-delay, 0s) infinite alternate;
  transition: left 520ms ease, top 520ms ease, width 520ms ease, height 520ms ease;
}

.bubble-surface {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  overflow: hidden;
  padding: 8px;
  border: 2px solid color-mix(in srgb, var(--panel-strong) 72%, transparent);
  border-radius: 50%;
  background: var(--bubble-color);
  animation: bubble-reveal 520ms cubic-bezier(.2,.75,.25,1) var(--reveal-delay, 0ms) both;
  transition: filter 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.flow-bubble:hover,
.flow-bubble:focus-visible { z-index: 2; outline: 0; }
.flow-bubble::after {
  position: absolute;
  inset: -3px;
  border: 3px solid rgba(255,255,255,.9);
  border-radius: 50%;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 35%, transparent), 0 8px 28px rgba(0,0,0,.35);
  content: "";
  opacity: 0;
  pointer-events: none;
  transform: scale(.84);
  transition: opacity 560ms ease, transform 560ms cubic-bezier(.2,.75,.25,1);
}
.flow-bubble.is-active { z-index: 3; }
.flow-bubble.is-active::after {
  opacity: 1;
  transform: scale(1);
  animation: selected-breathe 1.8s ease-in-out infinite;
}

.flow-bubble:hover .bubble-surface,
.flow-bubble:focus-visible .bubble-surface {
  transform: scale(1.045);
  filter: brightness(1.13);
  outline: 2px solid rgba(255,255,255,.72);
  outline-offset: -4px;
  box-shadow: 0 8px 24px rgba(0,0,0,.28);
}
.bubble-content { width: 84%; min-width: 0; }
.bubble-name { display: block; overflow: hidden; font-size: var(--bubble-name-size, 17px); font-weight: 850; line-height: 1.14; text-overflow: clip; white-space: normal; }
.bubble-amount { display: block; margin-top: 5px; font-size: var(--bubble-value-size, 16px); font-weight: 800; line-height: 1.1; }
.bubble-change { display: block; margin-top: 3px; font-size: var(--bubble-small-size, 12px); font-weight: 700; opacity: .84; }
.flow-bubble.compact .bubble-change,
.flow-bubble.tiny .bubble-change,
.flow-bubble.tiny .bubble-amount,
.flow-bubble.micro .bubble-amount,
.flow-bubble.micro .bubble-change { display: none; }
.flow-bubble.micro .bubble-content { display: none; }
.flow-bubble.tiny .bubble-surface { padding: 3px; border-width: 1px; }
.flow-bubble.micro .bubble-surface { padding: 1px; border-width: 1px; }
.flow-bubble.dot .bubble-surface { padding: 0; border: 0; }
.flow-bubble.dot .bubble-content { display: none; }

.empty-state { display: grid; min-height: 610px; place-items: center; color: var(--muted); }

.ranking-panel { display: flex; flex-direction: column; }
.inspector-panel .panel-heading h2 {
  max-width: 245px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.panel-view-tabs { display: flex; margin-bottom: 12px; }
.panel-view-tab { flex: 1; }
.sector-detail { display: flex; min-height: 0; flex: 1; flex-direction: column; }
.sector-detail.is-updated { animation: detail-update 420ms ease-out; }
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.detail-grid > span {
  min-width: 0;
  min-height: 78px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--soft);
  font-size: 12px;
}
.detail-grid strong {
  display: block;
  overflow: hidden;
  margin-top: 7px;
  color: var(--text);
  font-size: 18px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.detail-grid strong.gain,
.detail-chart-heading strong.gain { color: var(--red); }
.detail-grid strong.loss,
.detail-chart-heading strong.loss { color: var(--green); }
.detail-chart-section {
  margin-top: 12px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}
.detail-chart-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}
.detail-chart-heading strong { color: var(--text); font-size: 15px; }
.detail-chart { min-height: 180px; margin-top: 5px; }
.detail-chart svg { display: block; width: 100%; height: 180px; overflow: visible; }
.detail-chart line { vector-effect: non-scaling-stroke; }
.detail-chart .chart-grid { stroke: var(--chart-grid); stroke-width: 1; }
.detail-chart .chart-zero { stroke: var(--chart-zero); stroke-width: 1; }
.detail-chart .chart-line {
  fill: none;
  stroke: var(--text);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
  vector-effect: non-scaling-stroke;
}
.detail-chart .chart-line.gain { stroke: var(--red); }
.detail-chart .chart-line.loss { stroke: var(--green); }
.chart-y-label,
.chart-x-label {
  fill: var(--chart-label);
  font-family: inherit;
  font-size: 10px;
}
.chart-y-label { text-anchor: end; dominant-baseline: middle; }
.chart-x-label.end { text-anchor: end; }
.detail-chart-state {
  display: grid;
  min-height: 180px;
  place-items: center;
  color: var(--muted);
  font-size: 12px;
}
.ranking-view { display: flex; min-height: 0; flex: 1; flex-direction: column; }
.ranking-tabs { align-self: stretch; }
.ranking-tab { flex: 1; }
.ranking-list { display: grid; gap: 7px; margin-top: 12px; }
.rank-item {
  display: grid;
  grid-template-columns: 24px minmax(0,1fr) auto;
  align-items: center;
  gap: 9px;
  min-height: 52px;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--soft);
  animation: rank-reveal 360ms ease-out both;
  animation-delay: var(--rank-delay, 0ms);
  transition: background 160ms ease, transform 160ms ease;
}
.rank-item:hover { transform: translateX(3px); background: var(--panel-strong); }
.rank-item.no-reveal { animation: none; }
.rank-index { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.rank-name { overflow: hidden; font-size: 14px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.rank-name small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; font-weight: 600; }
.rank-value { font-size: 13px; font-weight: 800; text-align: right; }
.gain { color: var(--red); }
.loss { color: var(--green); }
.source-note { margin: auto 0 0; padding-top: 14px; color: var(--muted); font-size: 12px; line-height: 1.6; }

.sector-tooltip {
  position: fixed;
  z-index: 20;
  width: min(310px, calc(100vw - 24px));
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: 0 16px 40px rgba(0,0,0,.38);
  pointer-events: none;
}
.tooltip-title { font-size: 18px; font-weight: 850; }
.tooltip-code { margin-left: 7px; color: var(--muted); font-size: 12px; }
.tooltip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.tooltip-grid span { color: var(--muted); font-size: 11px; }
.tooltip-grid strong { display: block; margin-top: 3px; font-size: 15px; }
.tooltip-leader { margin: 12px 0 0; color: var(--muted); font-size: 12px; }

.map-panel.is-transitioning .flow-bubbles,
.ranking-panel.is-transitioning .ranking-list,
.flow-summary.is-transitioning {
  opacity: .28;
  transform: scale(.996);
}

.flow-bubbles,
.ranking-list,
.flow-summary {
  transition: opacity 140ms ease, transform 140ms ease;
}

@keyframes bubble-reveal {
  from { opacity: 0; transform: scale(.72); filter: saturate(.65); }
  to { opacity: 1; transform: scale(1); filter: saturate(1); }
}

@keyframes bubble-drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(var(--drift-x, 5px), var(--drift-y, 3px), 0); }
}

@keyframes rank-reveal {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes value-update {
  0% { opacity: .35; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes status-breathe {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 12%, transparent); }
  50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--green) 4%, transparent); }
}

@keyframes selected-breathe {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent), 0 8px 24px rgba(0,0,0,.28); }
  50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--accent) 14%, transparent), 0 10px 32px rgba(0,0,0,.4); }
}

@keyframes detail-update {
  from { opacity: .38; }
  to { opacity: 1; }
}

html:has(body.is-fullscreen),
body.is-fullscreen { width: 100%; height: 100%; overflow: hidden; }
body.is-fullscreen .flow-shell {
  display: flex;
  width: 100%;
  height: 100%;
  flex-direction: column;
  padding: 12px;
}
body.is-fullscreen .flow-header, body.is-fullscreen .flow-summary { display: none; }
body.is-fullscreen .flow-controls { display: none; }
body.is-fullscreen .query-indicator { display: none; }
body.is-fullscreen .flow-workspace {
  height: auto;
  min-height: 0;
  flex: 1 1 auto;
  grid-template-columns: minmax(0, 1fr) clamp(400px, 22vw, 520px);
  gap: 12px;
}
body.is-fullscreen .map-panel,
body.is-fullscreen .ranking-panel { min-height: 0; overflow: hidden; box-shadow: none; }
body.is-fullscreen .map-panel {
  display: flex;
  flex-direction: column;
  padding: 0;
  border: 0;
  background: transparent;
}
body.is-fullscreen .map-panel .panel-heading { display: none; }
body.is-fullscreen .flow-bubbles { height: auto; min-height: 0; flex: 1 1 auto; }
body.is-fullscreen .ranking-panel {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
}
body.is-fullscreen .ranking-panel .panel-heading {
  align-items: flex-start;
  margin-bottom: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
body.is-fullscreen .ranking-panel .panel-heading p { margin-bottom: 4px; font-size: 14px; }
body.is-fullscreen .ranking-panel .panel-heading h2 { max-width: none; font-size: 22px; }
body.is-fullscreen .ranking-panel .panel-heading > span { font-size: 14px; }
body.is-fullscreen .panel-view-tabs,
body.is-fullscreen .ranking-view { display: none; }
body.is-fullscreen .sector-detail { display: flex; overflow-y: auto; }
body.is-fullscreen .detail-grid { padding: 9px 0; }
body.is-fullscreen .detail-grid > span {
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 14px;
}
body.is-fullscreen .detail-grid strong { margin-top: 3px; font-size: 18px; }
body.is-fullscreen .detail-chart-section { margin-top: 0; padding-top: 8px; }
body.is-fullscreen .detail-chart-heading { font-size: 15px; }
body.is-fullscreen .detail-chart-heading strong { font-size: 16px; }
body.is-fullscreen .detail-chart { min-height: 220px; }
body.is-fullscreen .detail-chart svg { height: 220px; }
body.is-fullscreen .chart-y-label,
body.is-fullscreen .chart-x-label,
body.is-fullscreen .detail-chart-state,
body.is-fullscreen .source-note { font-size: 14px; }
body.is-fullscreen .source-note { padding-top: 8px; }

@media (max-width: 1050px) {
  .flow-workspace { grid-template-columns: 1fr; }
  .ranking-panel { display: none; }
  .ranking-list { grid-template-columns: repeat(2, minmax(0,1fr)); }
  body.is-fullscreen .flow-workspace { grid-template-columns: minmax(0, 1fr); gap: 0; }
  body.is-fullscreen .ranking-panel {
    display: flex;
    position: fixed;
    z-index: 20;
    right: 8px;
    bottom: 8px;
    width: min(430px, calc(100vw - 16px));
    max-height: min(58dvh, 560px);
    background: color-mix(in srgb, var(--panel) 94%, transparent);
  }
}

@media (max-width: 760px) {
  .flow-shell { width: calc(100vw - 16px); padding-top: 8px; }
  .flow-header { grid-template-columns: 1fr auto; }
  .primary-nav { grid-column: 1 / -1; grid-row: 2; justify-self: stretch; }
  .nav-link { flex: 1; text-align: center; }
  .header-actions { grid-column: 2; grid-row: 1; }
  .refresh-button { width: 44px; overflow: hidden; padding: 0 12px; white-space: nowrap; }
  .refresh-button span { margin-right: 20px; }
  .flow-summary { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .summary-card { min-height: 82px; padding: 9px 14px; }
  .flow-shell .flow-controls { align-items: stretch; flex-direction: column; gap: 12px; }
  .query-indicator { flex-wrap: wrap; }
  .query-indicator span:last-child { width: 100%; padding-left: 18px; }
  .legend { flex-wrap: wrap; margin-left: 0; }
  .panel-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .data-status { flex-wrap: wrap; }
  .flow-bubbles { height: 70dvh; min-height: 520px; }
  .ranking-list { grid-template-columns: 1fr; }
  .flow-workspace { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .flow-bubble,
  .bubble-surface,
  .rank-item,
  .status-dot.live,
  .summary-card strong.value-updated,
  .summary-card small.value-updated {
    animation: none;
    transition: none;
  }
}