body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  font-family: system-ui, sans-serif;
  color: white;

  background: radial-gradient(circle at top, #7ee081, #163b28);
}

/* верхняя панель */
.panel {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;

  padding: 18px 36px;
  border-radius: 18px;

  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
}

.panel h1 {
  margin: 0;
  letter-spacing: 2px;
}

/* HUD счёт */
.hud {
  position: absolute;
  top: 150px;
  left: 50%;
  transform: translateX(-50%);

  padding: 10px 16px;
  border-radius: 12px;

  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);

  font-size: 14px;
}

/* игра */
.game-wrapper {
  position: absolute;
  top: 220px;
  left: 50%;
  transform: translateX(-50%);

  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  border-radius: 16px;
  overflow: hidden;
}

canvas {
  display: block;
  background: linear-gradient(#6fbf6a, #2b5f3b);
}