:root {
  --bg: #050505;
  --ink: #ffffff;
  --muted: rgba(255, 255, 255, 0.58);
  --line: rgba(255, 255, 255, 0.12);
  --up: #14d46b;
  --down: #ff4d4d;
  --chip: #141414;
}

@font-face {
  font-family: "Inter";
  src: url("./assets/inter-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body {
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  min-height: 100vh;
  padding: 28px 40px 80px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 48px;
}
.brand {
  display: block;
  width: 99px;
  height: 18px;
}
.text-btn, .chip {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}
.chip { background: var(--chip); margin-right: 8px; }
.chip.is-on { border-color: #fff; }

.eyebrow {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin: 0 0 16px;
}
h1 {
  max-width: 1080px;
  font-size: clamp(44px, 6.6vw, 92px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.96;
  margin: 0 0 24px;
}
.lead {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.5;
}
.definition {
  max-width: 760px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 18px 0 0;
}
.definition strong { color: var(--ink); font-weight: 600; }
.method {
  margin: 32px 0;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  line-height: 1.55;
}
.method h2 { color: var(--ink); font-size: 18px; font-weight: 600; }
.filters { align-items: center; display: flex; flex-wrap: wrap; gap: 8px; margin: 48px 0 20px; }
.filters .chip { margin-right: 0; }
.back-btn { margin-left: auto; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 920px; }
th {
  text-align: left;
  font-weight: 400;
  color: var(--muted);
  font-size: 13px;
  padding: 0 12px 16px;
  border-bottom: 1px solid var(--line);
}
td {
  padding: 20px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  font-variant-numeric: tabular-nums;
}
tr { cursor: pointer; }
tr:hover td { background: rgba(255,255,255,0.02); }
.who { display: flex; align-items: center; gap: 12px; }
.who img, .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  background: #222;
}
.name { font-size: 16px; font-weight: 500; }
.meta {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}
.reading {
  max-width: 300px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  line-height: 1.45;
}
.flag-date, .head-start { color: var(--up); }
.up { color: var(--up); }
.down { color: var(--down); }
.spark { display: block; }

.picker { display: block; margin: 8px 0 28px; color: var(--muted); font-size: 12px; }
.picker select {
  display: block;
  margin-top: 8px;
  background: #111;
  color: #fff;
  border: 1px solid var(--line);
  padding: 10px 12px;
  font: inherit;
  min-width: 280px;
}
.detail h2 { font-size: 44px; font-weight: 600; letter-spacing: -0.03em; margin: 0 0 8px; }
.kicker { color: var(--muted); font-size: 15px; margin: 0 0 28px; }
.grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 32px;
}
.chart-card, .note {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.metrics { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.metrics button {
  background: #111;
  color: #fff;
  border: 1px solid var(--line);
  padding: 6px 10px;
  font: inherit;
  cursor: pointer;
}
.metrics button.is-on { border-color: #fff; }
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 12px;
  margin: 4px 0 8px;
}
.chart-legend span {
  align-items: center;
  display: inline-flex;
  gap: 6px;
}
.legend-flag {
  display: inline-block;
  height: 13px;
  position: relative;
  width: 13px;
}
.legend-flag::before {
  border-left: 1px solid currentColor;
  content: "";
  height: 13px;
  left: 1px;
  position: absolute;
  top: 0;
}
.legend-flag::after {
  border-bottom: 4px solid transparent;
  border-left: 9px solid currentColor;
  border-top: 4px solid transparent;
  content: "";
  left: 1px;
  position: absolute;
  top: 1px;
}
.radar-flag { color: var(--up); }
.signing-flag { color: var(--ink); }
.chart-frame { width: 100%; height: 280px; }
.stat { margin: 0 0 18px; font-size: 15px; }
.stat b { display: block; font-size: 32px; font-weight: 600; letter-spacing: -0.03em; }
.note p { color: rgba(255, 255, 255, 0.72); font-size: 15px; line-height: 1.55; }
.note a { color: #fff; }

footer {
  margin-top: 64px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 820px) {
  body { padding: 20px 16px 64px; }
  .grid { grid-template-columns: 1fr; }
  h1 { font-size: 44px; }
  .lead { font-size: 16px; }
  .method { font-size: 15px; }
  .back-btn { margin-left: 0; }
}