:root {
  --navy: #10243f;
  --ink: #1c2430;
  --muted: #5d6673;
  --paper: #f3f1eb;
  --card: #fffdf8;
  --line: #ddd4c6;
  --accent: #c2410c;
  --ok: #0f766e;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --serif: "IBM Plex Serif", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
}

.top {
  background: var(--navy);
  color: #f6f1e8;
  padding: 14px 24px;
}
.top-inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}
.brand { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.brand strong { letter-spacing: 0.04em; }
.brand span { opacity: 0.75; font-size: 0.92rem; }
.top-asof { font-size: 0.85rem; opacity: 0.75; }

.tabs {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  gap: 4px;
  padding: 0 24px;
  background: #ebe6dc;
  border-bottom: 1px solid var(--line);
}
.tab {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-weight: 600;
  color: var(--muted);
  padding: 11px 12px 9px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tab.is-on { color: var(--navy); border-bottom-color: var(--accent); }

.boot {
  min-height: 40vh;
  display: grid;
  place-items: center;
  color: var(--muted);
}
.crash { color: var(--accent); }

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 20px 24px 48px;
  display: grid;
  gap: 14px;
}

.hero {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 24px;
}
.kicker {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
}
.hero-value {
  margin: 4px 0 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 4.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--navy);
}
.hero-delta { margin: 4px 0 0; font-weight: 650; }
.hero-delta.up { color: #9f1239; }
.hero-delta.down { color: var(--ok); }

.meaning, .footnote {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
  max-width: 40rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px 18px;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}
h2 { margin: 0; font-size: 1.05rem; }
.explain p { margin: 8px 0 0; line-height: 1.5; color: var(--ink); }

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; margin-top: 8px; }
.data th, .data td {
  text-align: left;
  padding: 9px 6px;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.data th {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.data .num { text-align: right; font-variant-numeric: tabular-nums; }
#route-table tbody tr { cursor: pointer; }
#route-table tbody tr:hover { background: #f7f1e6; }
#route-table tbody tr.is-on { background: #f3e6d6; box-shadow: inset 3px 0 0 var(--accent); }
.cities { display: block; color: var(--muted); font-size: 0.75rem; }

.chip {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  background: #ece8df;
}
.chip.in { background: #dceeea; color: #115e59; }
.chip.out { background: #ece8df; color: var(--muted); }

.route-pick {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}
.route-pick select {
  font: inherit;
  font-weight: 600;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  background: #fff;
}

.chart-host { position: relative; min-height: 200px; }
.chart-host svg { width: 100%; height: auto; display: block; }
.chart-host .grid { stroke: #ece6da; stroke-width: 1; }
.chart-host .axis { fill: var(--muted); font-size: 10px; font-family: var(--sans); }
.chart-host .line { fill: none; stroke: var(--navy); stroke-width: 2.2; }
.chart-host .area { fill: rgba(16, 36, 63, 0.08); }
.chart-host .base { stroke: #c4b8a4; stroke-dasharray: 4 4; }
.chart-host .dot { fill: var(--accent); }
.tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--navy);
  color: #fff;
  font-size: 0.78rem;
  padding: 7px 9px;
  border-radius: 8px;
  transform: translate(-50%, -120%);
  white-space: nowrap;
  display: none;
}

.lead-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 12px;
}
.lead-grid div {
  background: #f7f2e9;
  border-radius: 10px;
  padding: 8px 10px;
}
.lead-grid span { display: block; color: var(--muted); font-size: 0.72rem; }
.lead-grid strong { font-variant-numeric: tabular-nums; }

.filters { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0 0; }
.chip-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 5px 10px;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 650;
  cursor: pointer;
}
.chip-btn.is-on { background: var(--navy); color: #fff; border-color: var(--navy); }

.source-list { display: grid; gap: 8px; margin-top: 10px; }
.source-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.source-row span { color: var(--muted); }

.view[hidden], main[hidden], [hidden] { display: none !important; }

@media (max-width: 720px) {
  .top, .tabs, main { padding-left: 16px; padding-right: 16px; }
  .lead-grid { grid-template-columns: repeat(2, 1fr); }
}