:root { color-scheme: dark; }
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #0b0f14;
  color: #e6edf3;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

header h1 { margin: 0 0 6px; font-size: 28px; }
header p { margin: 0 0 14px; color: #9aa7b2; }

.hud {
  display: flex;
  gap: 14px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}

.controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  color: #9aa7b2;
  font-size: 13px;
}

canvas {
  width: 100%;
  height: 620px;
  background: #06080b;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  display: block;
}

.muted { opacity: 0.72; }
#status { color: #b8c6d1; font-size: 14px; }
footer { margin-top: 10px; color: #9aa7b2; font-size: 12px; }