:root {
  color-scheme: dark;
  --bg: #0a0f17;
  --panel: #101927;
  --track: #232a33;
  --grass: #0d442e;
  --accent: #ff735a;
  --accent-2: #ffd34d;
  --text: #f5f7fb;
  --muted: #a5b4c8;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; font-family: "Segoe UI", sans-serif; background: radial-gradient(circle at top, #152336, var(--bg) 52%); color: var(--text); }
body { padding: 24px; }
.shell { max-width: 1400px; margin: 0 auto; }
.hero { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 24px; }
.eyebrow { margin: 0 0 10px; text-transform: uppercase; letter-spacing: .22em; font-size: .74rem; color: var(--accent-2); font-weight: 700; }
h1 { margin: 0 0 14px; font-size: clamp(2.2rem, 4vw, 4.2rem); }
.lede { max-width: 62ch; margin: 0; color: var(--muted); line-height: 1.7; }
.meta { display: grid; gap: 8px; color: var(--muted); text-align: right; }
.layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .6fr); gap: 22px; }
.track-panel, .hud-card { border: 1px solid rgba(255,255,255,.08); background: rgba(9, 15, 24, .86); border-radius: 26px; box-shadow: 0 24px 50px rgba(0,0,0,.22); }
.track-panel { padding: 16px; }
#trackCanvas { width: 100%; height: auto; display: block; border-radius: 18px; background: #081116; }
.hud { display: grid; gap: 18px; }
.hud-card { padding: 20px; }
.site-footer { padding: 24px 4px 8px; color: var(--muted); font-size: .92rem; }
.metric { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.08); }
.metric:first-of-type { border-top: 0; }
.metric span { color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; }
.metric strong { font-size: 1.2rem; }
.hud-card p:last-child { color: var(--muted); line-height: 1.7; margin-bottom: 0; }
@media (max-width: 980px) { body { padding: 16px; } .hero, .layout { grid-template-columns: 1fr; display: grid; } .meta { text-align: left; } }