body{font-family:Arial,sans-serif;line-height:1.6;color:#333;max-width:800px;margin:0 auto;padding:20px;background-color:#f4f7f6}h1{color:#2c3e50;text-align:center}.question-container{background:#fff;padding:20px;margin-bottom:20px;border-radius:8px;box-shadow:0 2px 5px#0000001a}.question-text{font-weight:700;margin-bottom:10px}.options{list-style-type:none;padding:0}.options li{margin-bottom:8px}.options label{display:block;padding:10px;background:#ebebeb;border-radius:4px;cursor:pointer;transition:background.3s}.options label:hover{background:#ddd}.options input[type=radio]{margin-right:10px}.options input[type=radio]:checked+span{font-weight:700}.options label.selected{background:#d4e6f1;border:1px solid#3498db}.controls{text-align:center;margin-top:30px}button{background-color:#27ae60;color:#fff;border:none;padding:12px 24px;font-size:16px;border-radius:4px;cursor:pointer;transition:background.3s}button:hover{background-color:#219150}#status-message{margin-top:20px;text-align:center;font-weight:700;color:#e67e22}.results-summary{margin-top:30px;padding:20px;background:#e8f8f5;border-radius:8px;display:none}