:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --ink: #13202f;
  --muted: #637083;
  --line: #d9e1ec;
  --panel: #ffffff;
  --accent: #146c94;
  --accent-2: #d9862b;
  --positive: #16835a;
  --negative: #c84d4d;
  --shadow: 0 18px 42px rgba(31, 45, 72, 0.1);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 0%, rgba(20, 108, 148, 0.12), transparent 36rem),
    radial-gradient(circle at 88% 6%, rgba(217, 134, 43, 0.12), transparent 28rem),
    var(--bg);
  color: var(--ink);
}

button,
select {
  font: inherit;
}

.shell {
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding: 28px 2px 20px;
}

.eyebrow,
h1,
h2,
p {
  margin: 0;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
  letter-spacing: 0;
}

.summary {
  max-width: 760px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.status-pill {
  min-width: 128px;
  border: 1px solid rgba(20, 108, 148, 0.18);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  box-shadow: var(--shadow);
}

.status-pill.error {
  border-color: rgba(200, 77, 77, 0.24);
  color: var(--negative);
}

.panel,
.chart-card {
  border: 1px solid rgba(19, 32, 47, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.toolbar {
  display: grid;
  grid-template-columns: 170px 150px auto 1fr;
  gap: 12px;
  align-items: end;
  padding: 18px;
  margin-bottom: 16px;
}

label {
  display: grid;
  gap: 7px;
}

label span,
.refresh-copy,
.panel-title p,
.metric-label,
.chart-subtitle,
.rank-meta {
  color: var(--muted);
  font-size: 13px;
}

select,
button {
  min-height: 44px;
  border-radius: 6px;
}

select {
  width: 100%;
  border: 1px solid var(--line);
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

button {
  border: 0;
  padding: 0 18px;
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

.refresh-copy {
  align-self: center;
  justify-self: end;
}

.ranking-panel {
  padding: 18px;
  margin-bottom: 16px;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-title p {
  margin-top: 6px;
}

.ranking-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.rank-item {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px;
  background: #fbfdff;
}

.rank-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.rank-symbol {
  overflow: hidden;
  font-size: 15px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-change {
  color: var(--positive);
  font-size: 14px;
  font-weight: 900;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.chart-card {
  overflow: hidden;
  padding: 16px;
}

.chart-card-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.chart-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.chart-title h2 {
  font-size: 19px;
}

.rank-badge {
  border-radius: 999px;
  padding: 4px 8px;
  background: rgba(20, 108, 148, 0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.card-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(78px, max-content));
  gap: 10px;
  text-align: right;
}

.metric {
  display: grid;
  gap: 3px;
  min-width: 78px;
}

.metric strong {
  font-size: 18px;
}

.positive {
  color: var(--positive);
}

.negative {
  color: var(--negative);
}

.chart-wrap {
  position: relative;
}

.chart-tooltip {
  position: absolute;
  z-index: 3;
  min-width: 230px;
  border: 1px solid rgba(19, 32, 47, 0.1);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 32px rgba(31, 45, 72, 0.16);
  color: var(--ink);
  font-size: 13px;
  pointer-events: none;
}

.chart-tooltip strong {
  display: block;
  margin-bottom: 6px;
}

.chart-tooltip div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 4px;
}

canvas {
  display: block;
  width: 100%;
  height: 220px;
}

.empty {
  display: grid;
  min-height: 180px;
  place-items: center;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .ranking-grid,
  .chart-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 760px);
    padding-top: 18px;
  }

  h1 {
    font-size: 36px;
  }

  .summary {
    display: none;
  }

  .hero,
  .panel-title,
  .chart-card-header {
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    padding-top: 14px;
  }

  .toolbar,
  .ranking-panel,
  .chart-card {
    padding: 14px;
  }

  .toolbar,
  .ranking-grid,
  .chart-grid {
    grid-template-columns: 1fr;
  }

  .ranking-grid {
    gap: 8px;
  }

  .rank-item {
    padding: 10px;
  }

  .rank-meta {
    display: none;
  }

  .chart-card-header {
    gap: 10px;
  }

  .card-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    text-align: left;
  }

  .metric strong {
    font-size: 17px;
  }

  .chart-subtitle {
    font-size: 12px;
  }

  .refresh-copy {
    justify-self: start;
  }

  canvas {
    height: 180px;
  }

  .chart-tooltip {
    min-width: 210px;
    font-size: 12px;
  }
}