body {
  background: #111;
  color: #f5f5f5;
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 40px 20px;
  text-align: center;
}

.slot-machine-container {
  background: linear-gradient(to bottom, #1c1c1c, #000);
  border: 3px solid #ffd700;
  border-radius: 20px;
  padding: 30px;
  max-width: 500px;
  margin: 0 auto;
  box-shadow: 0 0 30px #000;
}

h1 {
  color: #ffd700;
  margin-bottom: 10px;
}

.dongbucks {
  color: #00ffcc;
  font-size: 1.2rem;
  margin-bottom: 25px;
}

.slot-window {
  background: #222;
  border: 4px solid #555;
  border-radius: 12px;
  padding: 10px 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin-bottom: 25px;
  box-shadow: inset 0 0 10px #000;
}

.reel {
  background: #000;
  border: 2px solid #ffd700;
  border-radius: 10px;
  width: 80px;
  height: 80px;
  font-size: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 8px #333;
}

.spin-button {
  background-color: red;
  color: white;
  font-weight: bold;
  border: none;
  border-radius: 999px;
  padding: 14px 40px;
  font-size: 1.2rem;
  box-shadow: 0 0 10px red;
  cursor: pointer;
  margin-bottom: 20px;
  transition: 0.2s ease;
}

.spin-button:hover {
  background-color: #ff4d4d;
  box-shadow: 0 0 20px red;
}

.message {
  font-size: 1rem;
  color: #ffff66;
}