:root {
  --ink: #ffe8f4;
  --mute: rgba(255, 200, 220, 0.55);
  --glow: rgba(255, 80, 180, 0.4);
  --panel: rgba(18, 4, 14, 0.45);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #010208;
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

#gpu {
  display: block;
  width: 100vw;
  height: 100vh;
  touch-action: none;
  cursor: crosshair;
}

#hud {
  position: fixed;
  left: 1.25rem;
  bottom: 1.25rem;
  z-index: 2;
  padding: 0.85rem 1.1rem;
  border-radius: 14px;
  background: var(--panel);
  backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid rgba(140, 190, 255, 0.14);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  pointer-events: none;
  user-select: none;
}

.brand {
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  text-shadow: 0 0 24px var(--glow);
}

#stats {
  margin-top: 0.35rem;
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  color: var(--mute);
}

.hint {
  margin-top: 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(180, 200, 230, 0.42);
}

#fallback {
  position: fixed;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(ellipse at 30% 20%, #13284a 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, #3a1240 0%, transparent 45%),
    #05070e;
  text-align: center;
}

#fallback[hidden] {
  display: none;
}

#fallback p {
  max-width: 28rem;
  line-height: 1.55;
  font-size: 1.05rem;
  color: var(--ink);
}