body{background-color:#f5f5f5;justify-content:center;align-items:center;height:100vh;margin:0;font-family:Arial,sans-serif;display:flex}h1{text-align:center;color:#333}label{color:#555;margin-bottom:6px;font-weight:700;display:block}input{box-sizing:border-box;border:1px solid #ccc;border-radius:4px;width:100%;margin-bottom:16px;padding:10px;font-size:14px}input:focus{border-color:#4285f4;outline:none}button{color:#fff;cursor:pointer;background-color:#4285f4;border:none;border-radius:4px;width:100%;padding:10px;font-size:16px}button:hover{background-color:#c5e6d4}#error{color:#d93025;text-align:center;font-size:14px}.quiz-wrap{max-width:520px;margin:2rem auto;padding:1rem;font-family:sans-serif}.logo{font-size:22px;font-weight:500}.logo span{color:#1d9e75}.subtitle{color:#666;margin-top:4px;font-size:14px}.lang-toggle{justify-content:flex-end;gap:8px;margin-bottom:1rem;display:flex}.lang-btn{cursor:pointer;color:#666;background:0 0;border:1px solid #ddd;border-radius:20px;padding:4px 12px;font-size:12px}.lang-btn.active{color:#0f6e56;background:#e1f5ee;border-color:#1d9e75}.progress-bar{background:#eee;border-radius:2px;height:3px;margin-bottom:2rem}.progress-fill{background:#1d9e75;border-radius:2px;width:25%;height:100%;transition:width .3s}.step{display:none}.step.active{display:block}.question-sub{color:#666;margin-bottom:1.5rem;font-size:14px}.options{flex-direction:column;gap:10px;margin-bottom:1.5rem;display:flex}.option{cursor:pointer;border:1px solid #ddd;border-radius:8px;padding:14px 16px}.option:hover{border-color:#1d9e75}.option.selected{background:#e1f5ee;border:2px solid #1d9e75}.option span{font-size:14px;font-weight:500;display:block}.option small{color:#888;margin-top:2px;font-size:12px;display:block}.nav{flex-direction:column;align-items:center;gap:8px;margin-top:1rem;display:flex}.step-label{color:#999;font-size:12px}.btn{cursor:pointer;background:#46a688cc;border:1px solid #ddd;border-radius:8px;padding:10px 24px;font-size:14px;font-weight:500}.btn.primary{color:#fff;background:#1d9e75;border-color:#1d9e75}.btn.primary:hover{background:#0f6e56}.btn:disabled{opacity:.3;cursor:default}.input-field{box-sizing:border-box;border:1px solid #ddd;border-radius:8px;width:100%;margin-bottom:1rem;padding:12px 14px;font-size:14px}