body {
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  font-family: 'Segoe UI', sans-serif;
}
.glass-container {
  backdrop-filter: blur(15px);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 2rem;
  margin: 2rem auto;
  max-width: 900px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.neon-btn {
  background: transparent;
  border: 2px solid #0ff;
  color: #0ff;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  margin: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px #0ff, 0 0 10px #0ff, 0 0 15px #0ff;
}
.neon-btn:hover {
  background: #0ff;
  color: #000;
  transform: scale(1.05);
}
.neon-text {
  color: #0ff;
  text-shadow: 0 0 5px #0ff, 0 0 10px #0ff, 0 0 20px #0ff;
}
.section-title {
  font-size: 1.5rem;
  margin: 1rem 0;
  text-align: center;
}
.grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.disabled {
  opacity: 0.5;
  pointer-events: none;
}