body {
  background: radial-gradient(circle at center, #0f172a 0%, #0a0a0f 100%);
  color: #fff;
  font-family: "Poppins", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
}

h1 {
  color: #00ffff;
  text-shadow: 0 0 10px #0ff, 0 0 20px #0ff;
  margin-bottom: 2rem;
  text-align: center;
}

.slot-container {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
}

.slot-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.slot {
  width: 180px;
  height: 80px;
  overflow: hidden;
  border: 2px solid #00ffff;
  border-radius: 12px;
  background: rgba(0,0,0,0.4);
  box-shadow: 0 0 20px #0ff;
  position: relative;
}

.slot.glow {
  animation: glow 1s infinite alternate;
}

@keyframes glow {
  0% { box-shadow: 0 0 15px #0ff, 0 0 30px #0ff; }
  50% { box-shadow: 0 0 25px #0ff, 0 0 50px #0ff; }
  100% { box-shadow: 0 0 15px #0ff, 0 0 30px #0ff; }
}

.slot-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.slot-inner.spinning span {
  filter: blur(3px);
  transition: filter 0.3s ease;
}

.slot-inner span {
  height: 80px;
  line-height: 80px;
  font-size: 1.4rem;
  text-align: center;
  color: #fff;
  text-shadow: 0 0 8px #0ff;
  width: 100%;
}

button {
  background: transparent;
  border: 2px solid #0ff;
  color: #0ff;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
  box-shadow: 0 0 10px #0ff;
}

button:hover:not(:disabled) {
  background: #0ff;
  color: #000;
  box-shadow: 0 0 15px #0ff, 0 0 30px #0ff;
  transform: scale(1.05);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.highlight {
  color: #0ff;
  text-shadow: 0 0 12px #0ff, 0 0 24px #0ff;
  font-weight: bold;
  transform: scale(1.1);
  transition: all 0.3s ease;
}

.pulse {
  animation: pulse 0.6s ease-in-out 2;
}

@keyframes pulse {
  0% { transform: scale(1); text-shadow: 0 0 12px #0ff, 0 0 24px #0ff; }
  50% { transform: scale(1.2); text-shadow: 0 0 20px #0ff, 0 0 40px #0ff; }
  100% { transform: scale(1); text-shadow: 0 0 12px #0ff, 0 0 24px #0ff; }
}

#message {
  margin-top: 1rem;
  font-size: 1.2rem;
  color: #0ff;
  text-shadow: 0 0 10px #0ff;
  position: relative;
  animation: pop 0.5s ease-out forwards;
}

@keyframes pop {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0ff;
  box-shadow: 0 0 8px #0ff, 0 0 16px #0ff;
  pointer-events: none;
  animation: fly 1s ease-out forwards;
}

@keyframes fly {
  0% { transform: translate(0, 0) scale(1); opacity: 1; }
  100% { transform: translate(var(--x), var(--y)) scale(0.5); opacity: 0; }
}