body {
  margin: 0;
  height: 100vh;
  background: radial-gradient(circle at center, #0d1117, #000);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  color: white;
  font-family: 'Poppins', sans-serif;
  overflow: hidden;
}

h1 {
  margin-bottom: 10px;
  text-shadow: 0 0 15px #00eaff, 0 0 30px #00eaff;
}

.instructions {
  color: #bbb;
  margin-bottom: 20px;
}

#eye-area {
  width: 200px;
  height: 120px;
  background: radial-gradient(ellipse at center, #111 0%, #000 100%);
  border: 3px solid #00eaff;
  border-radius: 50% / 60%;
  position: relative;
  box-shadow: 0 0 25px #00eaff;
  overflow: hidden;
  transition: transform 0.2s ease;
}

#pupil {
  position: absolute;
  width: 40px;
  height: 40px;
  background: radial-gradient(circle, #222 20%, #000 90%);
  border-radius: 50%;
  top: 40px;
  left: 80px;
  transition: all 0.1s ease;
}

#glow {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: 0 0 60px #00eaff;
  pointer-events: none;
  opacity: 0.5;
}

.controls {
  margin-top: 25px;
}

button {
  background: #00eaff;
  color: black;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  margin: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background: #00b8d4;
  transform: scale(1.05);
}

.status {
  margin-top: 15px;
  font-size: 18px;
}

#message {
  margin-top: 10px;
  font-weight: bold;
  color: #00eaff;
  text-shadow: 0 0 10px #00eaff;
}