body {
  background: #222;
  color: #fff;
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 400px;
  margin: 40px auto;
  padding: 20px;
  background: #333;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  text-align: center;
}
h1 {
  margin-bottom: 16px;
  font-size: 2rem;
  letter-spacing: 2px;
}
.game-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 4px;
}
#game {
  display: block;
  margin: 0 auto 16px auto;
  background: #111;
  border: 2px solid #555;
  border-radius: 4px;
}
#next {
  background: #111;
  border: 1px solid #555;
  border-radius: 4px;
  margin-top: 4px;
}
.controls {
  display: flex;
  justify-content: center;
  gap: 12px;
}
button {
  background: #444;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}
button:hover {
  background: #666;
}
@media (max-width: 500px) {
  .container {
    max-width: 98vw;
    padding: 8px;
  }
  #game {
    width: 180px;
    height: 360px;
  }
  #next {
    width: 60px;
    height: 60px;
  }
}