.question-card[data-v-678be02f]{background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000001a;padding:30px}.question-header[data-v-678be02f]{align-items:center;border-bottom:2px solid #f0f0f0;display:flex;justify-content:space-between;margin-bottom:20px;padding-bottom:15px}.question-type[data-v-678be02f]{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;color:#fff;font-size:.9rem;font-weight:500;padding:6px 16px}.question-number[data-v-678be02f]{color:#666;font-size:.95rem}.question-image[data-v-678be02f]{align-items:center;background:#f5f5f5;border-radius:8px;display:flex;justify-content:center;margin-bottom:20px;min-height:150px;padding:20px;text-align:center}.question-image img[data-v-678be02f]{border-radius:8px;box-shadow:0 2px 10px #0000001a;max-height:250px;max-width:100%}.question-text[data-v-678be02f]{color:#333;font-size:1.3rem;font-weight:500;line-height:1.6;margin-bottom:25px}.options-container[data-v-678be02f]{display:flex;flex-direction:column;gap:12px}.option-btn[data-v-678be02f]{align-items:center;background:#fff;border:2px solid #e0e0e0;border-radius:8px;display:flex;font-size:1rem;padding:16px 20px;text-align:left;transition:all .3s;width:100%}.option-btn[data-v-678be02f]:hover:not(:disabled){background:#f8f9ff;border-color:#667eea}.option-btn.selected[data-v-678be02f]{background:#f0f3ff;border-color:#667eea}.option-btn.correct[data-v-678be02f]{background:#e8f5e9;border-color:#4caf50}.option-btn.wrong[data-v-678be02f]{background:#ffebee;border-color:#f44336}.option-btn[data-v-678be02f]:disabled{cursor:not-allowed}.option-label[data-v-678be02f]{align-items:center;background:#f0f0f0;border-radius:50%;color:#666;display:flex;flex-shrink:0;font-weight:600;height:30px;justify-content:center;margin-right:15px;width:30px}.option-btn.selected .option-label[data-v-678be02f]{background:#667eea;color:#fff}.option-btn.correct .option-label[data-v-678be02f]{background:#4caf50;color:#fff}.option-btn.wrong .option-label[data-v-678be02f]{background:#f44336;color:#fff}.option-text[data-v-678be02f]{color:#333;flex:1}.show-answer-section[data-v-678be02f]{margin-top:20px;text-align:center}.show-answer-btn[data-v-678be02f]{background:#4caf50;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:1rem;font-weight:500;padding:12px 30px;transition:all .3s}.show-answer-btn[data-v-678be02f]:hover{background:#45a049;box-shadow:0 4px 15px #4caf504d;transform:translateY(-2px)}.explanation[data-v-678be02f]{background:#f8f9ff;border-left:4px solid #667eea;border-radius:4px;margin-top:25px;padding:20px}.explanation-title[data-v-678be02f]{color:#667eea;font-weight:600;margin-bottom:10px}.explanation-text[data-v-678be02f]{color:#555;line-height:1.6}.control-panel[data-v-ef6e454b]{background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000001a;padding:25px}.progress-section[data-v-ef6e454b]{margin-bottom:25px}.progress-bar[data-v-ef6e454b]{background:#f0f0f0;border-radius:4px;height:8px;margin-bottom:10px;overflow:hidden}.progress-fill[data-v-ef6e454b]{background:linear-gradient(135deg,#667eea,#764ba2);height:100%;transition:width .3s ease}.progress-text[data-v-ef6e454b]{color:#666;font-size:.9rem;text-align:center}.question-nav[data-v-ef6e454b]{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:25px}.nav-dot[data-v-ef6e454b]{background:#fff;border:2px solid #e0e0e0;border-radius:8px;color:#666;cursor:pointer;font-size:.9rem;font-weight:500;height:40px;transition:all .3s;width:40px}.nav-dot[data-v-ef6e454b]:hover:not(:disabled){background:#f8f9ff;border-color:#667eea}.nav-dot.current[data-v-ef6e454b]{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff}.nav-dot.answered[data-v-ef6e454b]{background:#e8f5e9;border-color:#4caf50;color:#2e7d32}.nav-dot.answered.current[data-v-ef6e454b]{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff}.control-buttons[data-v-ef6e454b]{display:flex;gap:15px;justify-content:center}.btn[data-v-ef6e454b]{border:none;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:500;padding:12px 30px;transition:all .3s}.btn[data-v-ef6e454b]:disabled{cursor:not-allowed;opacity:.5}.btn-primary[data-v-ef6e454b]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary[data-v-ef6e454b]:hover:not(:disabled){box-shadow:0 4px 15px #667eea66;transform:translateY(-2px)}.btn-secondary[data-v-ef6e454b]{background:#f0f0f0;color:#333}.btn-secondary[data-v-ef6e454b]:hover:not(:disabled){background:#e0e0e0}