:root {
  --bg: #0e1116;
  --panel: #161b22;
  --border: #232a35;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #ff7a45;
  --good: #3fb950;
  --warn: #d29922;
  --hot: #f85149;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}
main { max-width: 1100px; margin: 0 auto; padding: 32px 20px 80px; }
header h1 { margin: 0 0 4px; font-size: 28px; }
header .sub { margin: 0 0 32px; color: var(--muted); }

.latest {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  margin-bottom: 32px;
}
.score-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}
.score-num { font-size: 64px; font-weight: 700; line-height: 1; color: var(--accent); }
.score-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 8px; }
.score-date { color: var(--muted); font-size: 13px; margin-top: 12px; }
.rationale {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}
.rationale h3 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 500; }
.rationale p { margin: 0; font-size: 16px; }

.chart-wrap, .components {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}
.chart-wrap { height: 480px; }
.chart-wrap canvas { height: 100% !important; }
.components h3 { margin: 0 0 12px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 500; }
.components { height: 280px; }
.components canvas { height: 220px !important; }

footer { color: var(--muted); font-size: 12px; margin-top: 24px; }
footer a { color: var(--muted); }

@media (max-width: 640px) {
  .latest { grid-template-columns: 1fr; }
  .score-num { font-size: 48px; }
}