* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #0f0f0f;
  color: #fff;
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background-color: #1a1a1a;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
  text-align: center;
  width: 90%;
  max-width: 400px;
}

#welcome {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: gold;
  text-shadow: 0 0 10px gold;
}

#balance {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.gold-btn {
  background: gold;
  color: #000;
  border: none;
  padding: 0.75rem;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 0 10px gold, 0 0 20px rgba(255, 215, 0, 0.3);
  transition: 0.3s ease;
}

.gold-btn:hover {
  background: #ffd700;
  transform: scale(1.05);
}