:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #06111f;
}

#ui {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 10;
  background: rgba(4, 13, 24, 0.6);
  border: 1px solid rgba(141, 191, 255, 0.35);
  border-radius: 12px;
  padding: 12px 14px;
  backdrop-filter: blur(6px);
  color: #e7f1ff;
}

#ui h1 {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.12em;
}

#status {
  margin: 6px 0 0;
  font-size: 12px;
  opacity: 0.9;
}

#loading {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  color: #dcecff;
  letter-spacing: 0.04em;
  font-size: 16px;
  background: radial-gradient(circle at center, rgba(9, 23, 42, 0.85), rgba(4, 10, 18, 0.95));
}

canvas {
  display: block;
}