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

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 0, 180, 0.18), transparent 30rem),
    radial-gradient(circle at 10% 80%, rgba(0, 245, 255, 0.16), transparent 26rem),
    radial-gradient(circle at 90% 75%, rgba(255, 255, 0, 0.12), transparent 28rem), #050509;
  color: #f4f1ff;
  font-family: Inter, system-ui, sans-serif;
  overflow: hidden;
}

.game-shell {
  width: min(94vw, 900px);
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 26px;
  box-shadow:
    0 0 40px rgba(145, 70, 255, 0.25),
    0 30px 90px rgba(0, 0, 0, 0.55);
}

.game-top {
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

h1 {
  font-size: clamp(1.25rem, 3vw, 1.85rem);
  letter-spacing: -0.04em;
  text-transform: uppercase;
  text-shadow:
    0 0 8px rgba(255, 0, 180, 0.75),
    0 0 18px rgba(0, 245, 255, 0.55);
  animation: titlePulse 1.4s infinite alternate;
}

.stats {
  display: flex;
  gap: 1rem;
  color: #dcd4f0;
  font-weight: 800;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.stats strong {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(183, 140, 255, 0.9);
}

canvas {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background:
    radial-gradient(circle at 50% 120%, rgba(255, 0, 180, 0.2), transparent 38%),
    linear-gradient(180deg, #101020, #030306);
  border: 1px solid rgba(183, 140, 255, 0.4);
  border-radius: 18px;
  box-shadow:
    inset 0 0 35px rgba(0, 245, 255, 0.08),
    0 0 32px rgba(145, 70, 255, 0.22);
}

.instructions {
  margin-top: 1rem;
  color: #cfc4ff;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.back {
  margin-top: 1rem;
  display: inline-block;
  color: #b78cff;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.back:hover {
  color: #ffffff;
  text-shadow: 0 0 12px rgba(183, 140, 255, 0.9);
}

@keyframes titlePulse {
  from {
    color: #ffffff;
  }

  to {
    color: #00f5ff;
  }
}