body {
  background-color: #0f0f0f;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.btn-container {
  text-align: center;
}

.neon-button {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 18px;
  padding: 14px 32px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #00f0ff, #ff00c8);
  color: white;
  cursor: pointer;
  box-shadow:
    0 0 15px #00f0ff,
    0 0 30px #ff00c8,
    0 0 60px #00f0ff;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.neon-button::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 10%, transparent 80%);
  animation: pulse 2s infinite;
  pointer-events: none;
}

@keyframes pulse {
  0% {
    transform: scale(0.9);
    opacity: 1;
  }
  100% {
    transform: scale(1.1);
    opacity: 0;
  }
}

.neon-button:hover {
  transform: translateY(-4px);
  box-shadow:
    0 0 25px #00f0ff,
    0 0 50px #ff00c8,
    0 0 100px #00f0ff;
}

.neon-button:active {
  transform: scale(0.95);
  box-shadow:
    0 0 10px #00f0ff,
    0 0 20px #ff00c8;
}