*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.survey-container{background:#fff;padding:3rem;border-radius:20px;box-shadow:0 20px 60px #00000026;max-width:900px;width:90%;text-align:center}h1{color:#333;margin-bottom:2rem;font-size:2.5rem;font-weight:700}.options{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.option{display:flex;align-items:center;padding:1rem;border:2px solid #e0e0e0;border-radius:12px;cursor:pointer;transition:all .2s ease;text-align:left}.option:hover{border-color:#667eea;background-color:#f8f9ff}.option input[type=radio]{margin-right:1rem;transform:scale(1.2)}.option input[type=radio]:checked+.option-text{font-weight:600;color:#667eea}.option-text{font-size:1.1rem;color:#333}.submit-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;border-radius:10px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;min-width:150px}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.submit-button:disabled{opacity:.5;cursor:not-allowed}.reset-button{background:#6c757d;color:#fff;border:none;padding:.8rem 1.5rem;border-radius:8px;font-size:1rem;cursor:pointer;transition:background-color .2s ease}.reset-button:hover{background:#5a6268}p{font-size:1.2rem;color:#666;margin-bottom:1.5rem}.chart-container{margin-top:3rem;padding-top:2rem;border-top:1px solid #e0e0e0}.chart-container h2{font-size:1.5rem;color:#333;margin-bottom:1.5rem;text-align:center}.recharts-cartesian-axis-tick-value{font-size:12px!important}.loading,.no-data{text-align:center;color:#666;font-style:italic;padding:2rem}.rate-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;border-radius:10px;font-size:1.2rem;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;margin-bottom:2rem;min-width:150px}.rate-button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.button-row{display:flex;gap:1rem;justify-content:center;margin-top:1rem}.cancel-button{background:#6c757d;color:#fff;border:none;padding:1rem 1.5rem;border-radius:10px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background-color .2s ease}.cancel-button:hover{background:#5a6268}.rate-limit-message{background:#fef2f2;border:1px solid #f87171;color:#dc2626;padding:1rem 2rem;border-radius:10px;font-size:1.1rem;font-weight:500;margin-bottom:2rem;text-align:center;min-height:56px;display:flex;align-items:center;justify-content:center}.footer{margin-top:3rem;padding-top:2rem;border-top:1px solid #e0e0e0;text-align:center}.footer p{font-size:.9rem;color:#666;margin:0}.footer a{color:#667eea;text-decoration:none}.footer a:hover{text-decoration:underline}.rating-legend{margin-top:2rem;padding:1.5rem;background:#f8f9fa;border-radius:10px;border:1px solid #e9ecef}.rating-legend h3{margin:0 0 1rem;font-size:1.2rem;color:#333;text-align:center}.legend-items{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.5rem}.legend-item{display:flex;align-items:center;gap:.5rem}.rating-number{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:#667eea;color:#fff;border-radius:50%;font-weight:600;font-size:.9rem;flex-shrink:0}.rating-description{color:#666;font-size:.9rem}