body {
  margin: 0;
  overflow: hidden;
  font-family: Arial, sans-serif;
  text-align: center;
  background: radial-gradient(circle, #000, #020202);
  color: #fff;
}

/* Start screen */
.start-screen {
  position: absolute;
  width: 100%;
  top: 15%;
  text-align: center;
}

.start-screen h1 {
  font-size: 60px;
  font-weight: bold;
  color: #0ff; /* neon cyan */
  text-shadow: 0 0 5px #0ff, 0 0 10px #0ff, 0 0 20px #0ff;
  margin-bottom: 10px;
}

.start-screen p {
  font-size: 22px;
  color: #ccc;
  text-shadow: 0 0 3px #0ff;
  margin-bottom: 20px;
}

/* Buttons & inputs */
.start-screen input,
.start-screen select,
.start-screen button {
  margin-top: 10px;
  font-size: 18px;
  border-radius: 12px;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.start-screen button {
  background: #0ff;
  color: #000;
  box-shadow: 0 0 15px #0ff;
}

.start-screen button:hover {
  transform: scale(1.05);
}

/* Canvas */
canvas {
  display: block;
  margin: 0 auto;
}

/* Score & Lives */
#score, #lives {
  position: absolute;
  left: 10px;
  font-size: 18px;
}

#lives {
  top: 40px;
}