:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #16202a;
  --muted: #5d6b78;
  --line: #dde3e9;
  --fact: #1f6fb2;
  --fc: #1f6fb2;
  --band: rgba(31, 111, 178, 0.14);
  --norm: #8a96a3;
  --low: #b36b00;
  --high: #0b7a75;
  --chip: #eef2f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f151b;
    --card: #17202a;
    --ink: #e6edf3;
    --muted: #97a4b1;
    --line: #26323e;
    --fact: #5aa9e6;
    --fc: #5aa9e6;
    --band: rgba(90, 169, 230, 0.18);
    --norm: #7b8794;
    --low: #f0a44a;
    --high: #4cc9c0;
    --chip: #1f2a35;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--fact); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.top { padding: 32px 0 8px; }
h1 { margin: 0 0 6px; font-size: 28px; letter-spacing: -0.01em; }
.lead { margin: 0 0 16px; color: var(--muted); max-width: 720px; }
.bar { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
.bar label { color: var(--muted); font-size: 14px; }
.bar select {
  margin-left: 6px; padding: 5px 8px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit;
}
.updated { color: var(--muted); font-size: 13px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 14px 0 0; padding: 0; list-style: none; font-size: 13px; color: var(--muted); }
.legend i { display: inline-block; width: 18px; height: 0; margin-right: 6px; vertical-align: middle; }
.lg-fact { border-top: 2px solid var(--fact); }
.lg-fc { border-top: 2px dashed var(--fc); }
.lg-band { height: 10px !important; background: var(--band); }
.lg-norm { border-top: 2px dotted var(--norm); }

.grid {
  display: grid; gap: 16px; padding: 20px 0 8px;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 16px 10px; display: flex; flex-direction: column; gap: 6px;
}
.card h2 { margin: 0; font-size: 18px; }
.place { color: var(--muted); font-size: 13px; }
.row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.value { font-size: 26px; font-weight: 650; font-variant-numeric: tabular-nums; }
.value small { font-size: 14px; font-weight: 400; color: var(--muted); margin-left: 4px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 12.5px; padding: 2px 8px; border-radius: 999px; background: var(--chip);
  color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap;
}
.chip.low { color: var(--low); }
.chip.high { color: var(--high); }
.chart { width: 100%; height: 150px; display: block; touch-action: pan-y; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .fact { fill: none; stroke: var(--fact); stroke-width: 2; stroke-linejoin: round; }
.chart .fc { fill: none; stroke: var(--fc); stroke-width: 2; stroke-dasharray: 5 4; }
.chart .band { fill: var(--band); stroke: none; }
.chart .norm { fill: none; stroke: var(--norm); stroke-width: 1.5; stroke-dasharray: 2 3; }
.chart .today { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .axis { fill: var(--muted); font-size: 10.5px; }
.chart .cursor { stroke: var(--ink); stroke-width: 1; opacity: 0.35; }
.error { color: var(--low); padding: 24px 0; }

.tip {
  position: fixed; z-index: 10; pointer-events: none; padding: 6px 9px; border-radius: 8px;
  background: var(--ink); color: var(--bg); font-size: 12.5px; line-height: 1.4;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.foot { color: var(--muted); font-size: 13px; padding-top: 12px; padding-bottom: 36px; }
.foot p { margin: 4px 0; max-width: 820px; }
.prose { max-width: 760px; padding: 32px 20px 48px; }
.prose h1 { margin-bottom: 16px; }
.prose h2 { font-size: 18px; margin: 28px 0 8px; }
.prose p, .prose li { color: var(--ink); }
.prose .muted { color: var(--muted); }
@media (max-width: 420px) {
  .grid { grid-template-columns: 1fr; }
  h1 { font-size: 24px; }
}