*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;overflow-x:hidden}body{color:#333;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}:root{--primary-color:#663bcb;--primary-hover:#5532a8;--text-dark:#1a1a1a;--text-light:#666;--border-color:#e0e0e0;--error-color:#dc2626;--success-color:#16a34a}.container{max-width:800px;margin:0 auto;padding:2rem 1rem}.survey-card{background:#fff;border-radius:16px;margin-bottom:2rem;padding:2.5rem;box-shadow:0 10px 40px #0000001a}.header{text-align:center;margin-bottom:2rem}.logo{margin-bottom:1rem}.title{color:var(--primary-color);margin-bottom:.5rem;font-size:2rem;font-weight:700}.subtitle{color:var(--text-light);font-size:1rem}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-dark);margin-bottom:.5rem;font-weight:600;display:block}.required{color:var(--error-color)}.form-input,.form-textarea,.form-select{border:2px solid var(--border-color);border-radius:8px;width:100%;padding:.75rem;font-family:inherit;font-size:1rem;transition:border-color .3s}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--primary-color);outline:none}.form-textarea{resize:vertical;min-height:120px}.radio-group,.checkbox-group{flex-direction:column;gap:.75rem;display:flex}.radio-option,.checkbox-option{border:2px solid var(--border-color);cursor:pointer;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem;transition:all .3s;display:flex}.radio-option:hover,.checkbox-option:hover{border-color:var(--primary-color);background-color:#f9f5ff}.radio-option input[type=radio],.checkbox-option input[type=checkbox]{cursor:pointer;width:1.25rem;height:1.25rem;accent-color:var(--primary-color)}.radio-option label,.checkbox-option label{cursor:pointer;flex:1}.button{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:1rem;font-size:1.1rem;font-weight:600;transition:background-color .3s}.button:hover:not(:disabled){background-color:var(--primary-hover)}.button:disabled{cursor:not-allowed;background-color:#ccc}.error-message{border:1px solid var(--error-color);color:var(--error-color);background-color:#fee;border-radius:8px;margin-bottom:1rem;padding:1rem}.success-message{border:1px solid var(--success-color);color:var(--success-color);background-color:#efe;border-radius:8px;margin-bottom:1rem;padding:1rem}.loading{text-align:center;padding:2rem}.spinner{border:4px solid #f3f3f3;border-top:4px solid var(--primary-color);border-radius:50%;width:40px;height:40px;margin:0 auto;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.role-selector{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2rem;display:grid}.role-card{border:3px solid var(--border-color);text-align:center;cursor:pointer;border-radius:12px;padding:2rem;transition:all .3s}.role-card:hover,.role-card.selected{border-color:var(--primary-color);background-color:#f9f5ff}.role-card h3{color:var(--primary-color);margin-bottom:.5rem;font-size:1.5rem}.role-card p{color:var(--text-light)}.thank-you{text-align:center;padding:3rem 1rem}.thank-you h1{color:var(--primary-color);margin-bottom:1rem;font-size:2.5rem}.thank-you p{color:var(--text-light);margin-bottom:1.5rem;font-size:1.1rem}.link{color:var(--primary-color);font-weight:600;text-decoration:none}.link:hover{text-decoration:underline}@media (max-width:640px){.survey-card{padding:1.5rem}.title{font-size:1.5rem}.role-selector{grid-template-columns:1fr}}