*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f3f4f6;color:#111827}.app{min-height:100vh;display:flex;flex-direction:column}.header,.footer{padding:12px 16px;background:#fff;border-bottom:1px solid #e5e7eb}.footer{border-top:1px solid #e5e7eb;border-bottom:none;font-size:12px;color:#6b7280;margin-top:auto}.header h1{margin:0;font-size:20px}.main{padding:16px;display:flex;flex-direction:column;align-items:center}.card{width:100%;max-width:480px;background:#fff;border-radius:12px;border:1px solid #e5e7eb;padding:20px;box-shadow:0 8px 24px #0f172a0f}.progress{width:100%;max-width:480px;margin-bottom:12px}.progress-top{display:flex;justify-content:space-between;font-size:12px;color:#6b7280;margin-bottom:6px}.progress-bar{width:100%;height:6px;border-radius:999px;background:#e5e7eb;overflow:hidden}.progress-bar-inner{height:100%;border-radius:999px;background:#4f46e5;transition:width .25s ease-out}.question-title{font-size:18px;margin-bottom:16px}.options{display:flex;flex-direction:column;gap:8px}.option-button{width:100%;text-align:left;padding:10px 12px;border-radius:10px;border:1px solid #e5e7eb;background:#fff;font-size:14px;cursor:pointer;transition:background .15s ease-out,border-color .15s ease-out,color .15s ease-out}.option-button:hover{border-color:#a5b4fc}.summary{margin-top:12px;font-size:12px;color:#6b7280}.field-label{display:block;margin-bottom:4px;font-size:13px;font-weight:500}.input{width:100%;padding:8px 10px;border-radius:8px;border:1px solid #d1d5db;font-size:14px}.input:focus{outline:none;border-color:#4f46e5;box-shadow:0 0 0 1px #4f46e533}.error-text{margin-top:4px;color:#b91c1c;font-size:12px}.button-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.button-primary,.button-secondary{padding:8px 12px;border-radius:999px;font-size:13px;font-weight:500;border:1px solid transparent;cursor:pointer}.button-primary{background:#4f46e5;color:#fff}.button-primary:hover{background:#4338ca}.button-secondary{background:#fff;color:#374151;border-color:#d1d5db}.button-secondary:hover{background:#f3f4f6}.result-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.result-item{font-size:14px}.result-item-question{font-weight:600}.result-item-answer{margin-top:2px;font-size:13px}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;border-radius:999px;font-size:11px;background:#eef2ff;color:#4338ca;margin-top:8px}.loader-card{text-align:center;font-size:14px;color:#6b7280}.option-correct{border-color:#22c55e;background:#dcfce7;color:#166534}.option-wrong-selected{border-color:#ef4444;background:#fee2e2;color:#b91c1c}.option-neutral{opacity:.8}