body {
  margin: 0;
  text-align: center;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: white;
}

h1 {
  margin-top: 20px;
  font-weight: 300;
  letter-spacing: 2px;
}

.score-box {
  display: inline-block;
  padding: 10px 25px;
  margin: 10px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 30px;
  font-size: 18px;
  box-shadow: 0 0 15px rgba(0,255,150,0.4);
}

canvas {
  margin-top: 20px;
  border-radius: 20px;
  box-shadow: 0 0 40px rgba(0,255,150,0.6);
  background: #111;
}

button {
  margin-top: 20px;
  padding: 10px 25px;
  font-size: 16px;
  border: none;
  border-radius: 30px;
  background: linear-gradient(45deg, #00ff99, #00ccff);
  color: black;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px #00ffcc;
}