body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f4f6f8;display:flex;justify-content:center;align-items:center;min-height:100vh}.app-container{width:100%;max-width:500px;padding:20px}.card{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 12px #0000001a;text-align:center}.input-field{width:80%;padding:12px;margin-bottom:20px;border:2px solid #ddd;border-radius:8px;font-size:1rem}.btn{padding:10px 20px;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:.2s;margin:5px}.btn:disabled{background-color:#ccc;cursor:not-allowed}.primary-btn{background-color:#007bff;color:#fff}.primary-btn:hover{background-color:#0056b3}.secondary-btn{background-color:#6c757d;color:#fff}.success-btn{background-color:#28a745;color:#fff}.progress-container{width:100%;background-color:#e0e0e0;height:8px;border-radius:4px;margin-bottom:10px}.progress-bar{height:100%;background-color:#007bff;border-radius:4px;transition:width .3s ease}.step-count{font-size:.9rem;color:#666;margin-bottom:20px}.options-grid{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.option-btn{padding:12px;background:#f8f9fa;border:1px solid #ddd;border-radius:8px;cursor:pointer;text-align:left}.option-btn:hover{background:#e2e6ea}.option-btn.selected{background:#e7f1ff;border-color:#007bff;color:#007bff;font-weight:700}.score-circle{width:100px;height:100px;background:#007bff;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;margin:20px auto}.spinner{border:4px solid #f3f3f3;border-top:4px solid #007bff;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:20px auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{font-style:italic;color:#666;animation:pulse 1.5s infinite}@keyframes pulse{0%{opacity:.5}50%{opacity:1}to{opacity:.5}}.feedback-text{font-size:1.1rem;color:#333;margin:20px 0;line-height:1.5;font-style:italic;background:#f8f9fa;padding:15px;border-radius:8px;border-left:4px solid #007bff}