.practice-generator-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
}

.mc-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.mc-option-btn {
  display: block;
  width: 100%;
  padding: 14px 20px;
  border: 2px solid #dee2e6;
  border-radius: 8px;
  background: #fff;
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.mc-option-btn:hover {
  border-color: #667eea;
  background: #f0f0ff;
}

.mc-option-btn.selected {
  border-color: #667eea;
  background: #e8e8ff;
}

.mc-option-btn.correct {
  border-color: #28a745;
  background: #d4edda;
  color: #155724;
}

.mc-option-btn.incorrect {
  border-color: #dc3545;
  background: #f8d7da;
  color: #721c24;
}

.mc-option-btn.reveal-correct {
  border-color: #28a745;
  background: #d4edda;
}

.question-card pre {
  background: #f8f9fa;
  padding: 10px;
  border-radius: 4px;
  font-size: 0.95rem;
}

.feedback-card.correct {
  background: linear-gradient(135deg, #28a745, #20c997);
  color: white;
}

.feedback-card.incorrect {
  background: linear-gradient(135deg, #dc3545, #e74c3c);
  color: white;
}

#difficulty-level-indicator {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 4px;
}

.diff-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.diff-dot.active {
  background: #667eea;
}

.diff-dot.inactive {
  background: #dee2e6;
}

@media (max-width: 768px) {
  .mc-options-grid {
    grid-template-columns: 1fr;
  }
}