.container{background:#fff;border-radius:12px;padding:40px;box-shadow:0 20px 60px #0000004d;margin-top:50px}h1{color:#333;margin-bottom:30px;text-align:center}form{display:flex;gap:10px;margin-bottom:30px}input{flex:1;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:border-color .3s}input:focus{outline:none;border-color:#667eea}button{padding:12px 32px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s}button:hover:not(:disabled){transform:translateY(-2px)}button:disabled{opacity:.6;cursor:not-allowed}.answer{background:#f8f9fa;border-radius:8px;padding:20px;border-left:4px solid #667eea}.answer h2{color:#667eea;font-size:18px;margin-bottom:15px}.content{color:#333;line-height:1.8}.line{margin:12px 0;padding-left:4px}.content a{color:#667eea;text-decoration:none;border-bottom:1px solid #667eea}.content a:hover{color:#764ba2;border-bottom-color:#764ba2}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:20px}#root{max-width:800px;margin:0 auto}