/* 横向排列样式 */
.options-container {
  margin: 10px 0;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* 竖向排列样式 */
.options-container.vertical {
  flex-direction: column;
  gap: 8px;
}

/* 选项基础样式 */
.answer-option {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}

/* 横向排列时选项宽度自适应 */
.options-container:not(.vertical) .answer-option {
  min-width: 80px;
  justify-content: center;
}

/* 竖向排列时选项宽度撑满 */
.options-container.vertical .answer-option {
  width: 100%;
  max-width: 300px;
  box-sizing: border-box;
}

.option-letter {
  font-weight: bold;
  margin-right: 8px;
}

.answer-option:hover {
  background-color: #f5f5f5;
}

.answer-option.selected {
  background-color: #e6f7ff;
  border-color: #1890ff;
}

.answer-option.correct {
  background-color: #f6ffed;
  border-color: #52c41a;
}

.answer-option.incorrect {
  background-color: #fff2f0;
  border-color: #ff4d4f;
}

.feedback {
  margin-top: 10px;
  padding: 8px;
  border-radius: 4px;
}

.feedback.correct {
  background-color: #f6ffed;
  color: #52c41a;
}

.feedback.incorrect {
  background-color: #fff1f0;
  color: #ff4d4f;
}

.question-container {
  margin: 20px 0;
  padding: 15px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  background-color: #f9f9f9;
}