:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --ink: #172033;
  --muted: #637083;
  --line: #d9e0ea;
  --panel: #ffffff;
  --soft: #eef3f8;
  --teal: #0f766e;
  --blue: #2563eb;
  --violet: #7c3aed;
  --amber: #d97706;
  --rose: #be123c;
  --shadow: 0 18px 50px rgba(25, 36, 61, 0.10);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 18px;
}

.hero-copy {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.preset,
#resetBtn {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}

.preset {
  padding: 0 13px;
}

.preset.active {
  border-color: var(--blue);
  background: #eaf1ff;
  color: #1744b8;
}

.workspace {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.control-panel,
.map-card,
.stage-card,
.flow-card,
.advice-card,
.status-strip article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.control-panel {
  position: sticky;
  top: 18px;
  padding: 18px;
}

.panel-head,
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

#resetBtn {
  padding: 0 12px;
}

.field {
  display: grid;
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.field:first-of-type {
  margin-top: 12px;
}

.field span,
.section-title span,
.status-strip span,
.flow-node span,
.bar-row span {
  color: var(--muted);
}

.field strong {
  font-size: 24px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--blue);
}

.dashboard {
  display: grid;
  gap: 18px;
}

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

.status-strip article {
  padding: 16px;
}

.status-strip strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
}

.map-card,
.stage-card,
.flow-card,
.advice-card {
  padding: 18px;
}

.map-visual {
  position: relative;
  height: 360px;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 8px;
  padding: 22px;
  background:
    linear-gradient(90deg, transparent 49.8%, var(--line) 50%, transparent 50.2%),
    linear-gradient(0deg, transparent 49.8%, var(--line) 50%, transparent 50.2%),
    linear-gradient(135deg, #edf7f5, #f7f3ff 52%, #fff7ed);
}

.axis {
  position: absolute;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.axis.horizontal {
  left: 20px;
  right: 20px;
  bottom: 14px;
}

.axis.vertical {
  top: 18px;
  bottom: 42px;
  left: 18px;
  flex-direction: column;
}

.map-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 86px;
  height: 86px;
  display: grid;
  place-items: center;
  transform: translate(-50%, -50%);
  border: 3px solid var(--blue);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  font-weight: 800;
  font-size: 14px;
  text-align: center;
  transition: left 280ms ease, top 280ms ease, border-color 280ms ease;
}

.projection-card {
  margin-top: 18px;
}

.projection-chart {
  display: block;
  width: 100%;
  min-height: 300px;
  border-radius: 8px;
  background: linear-gradient(180deg, #fbfdff, #f2f6fb);
}

.chart-axis {
  stroke: var(--line);
  stroke-width: 1.4;
}

.chart-grid {
  stroke: #dfe6ef;
  stroke-width: 1;
}

.chart-label {
  fill: var(--muted);
  font-size: 12px;
}

.chart-line {
  fill: none;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-line.is-past {
  stroke-dasharray: 0;
}

.chart-line.is-future {
  stroke-dasharray: 8 8;
}

.chart-income {
  stroke: var(--blue);
}

.chart-expense {
  stroke: var(--amber);
}

.chart-asset {
  stroke: var(--teal);
}

.current-node {
  fill: var(--panel);
  stroke: var(--ink);
  stroke-width: 3;
}

.current-label {
  fill: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.milestone-label {
  fill: var(--teal);
  font-size: 13px;
  font-weight: 800;
}

.milestone-line {
  stroke: var(--teal);
  stroke-width: 2;
  stroke-dasharray: 5 5;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.chart-legend i {
  width: 20px;
  height: 3px;
  border-radius: 999px;
}

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

.legend-expense {
  background: var(--amber);
}

.legend-asset {
  background: var(--teal);
}

.legend-dashed {
  border-top: 3px dashed var(--muted);
  background: transparent;
}

.stage-explain {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 42px;
  align-items: center;
  margin: 20px 0;
}

.flow-node {
  min-height: 106px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 18px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  text-align: center;
}

.flow-node b {
  font-size: 22px;
}

.flow-arrow {
  display: none;
}

.bar-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 64px;
  gap: 12px;
  align-items: center;
  padding-top: 12px;
}

.bar {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #e4eaf2;
}

.bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
  transition: width 280ms ease, background 280ms ease;
}

.advice-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.advice {
  min-height: 116px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.advice b {
  display: block;
  margin-bottom: 8px;
}

.advice p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 980px) {
  .hero,
  .workspace,
  .main-grid {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: static;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .status-strip,
  .advice-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 18px;
  }

  .status-strip,
  .advice-list,
  .flow {
    grid-template-columns: 1fr;
  }

  .map-visual {
    height: 300px;
  }

  .map-dot {
    width: 74px;
    height: 74px;
    font-size: 13px;
  }

  .projection-chart {
    min-height: 260px;
  }

  .bar-row {
    grid-template-columns: 1fr;
  }
}