body {
  margin: 0;
  padding: 20px;
  background: #dfe7f5;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  box-sizing: border-box;
}

#app {
  width: 100%;
  max-width: 500px;
}

#questionImage {
  width: 100%;
  display: block;
  border-radius: 12px;
}

#choices {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.choice-btn {
  border: none;
  border-radius: 14px;
  padding: 16px;
  font-size: 16px;
  cursor: pointer;
  background: white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: 0.2s;
}

.choice-btn:hover {
  transform: translateY(-2px);
}

#resultImage {
  width: 100%;
  display: block;
  border-radius: 12px;
}