:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#333;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0}body{margin:0;padding:0;width:100%;height:100vh;overflow:hidden}#root{width:100%;height:100%}a{font-weight:500;color:#646cff;text-decoration:inherit}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}@media(prefers-color-scheme:light){a:hover{color:#535bf2}}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;height:100vh;margin:0;padding:0}.app-container{width:100%;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);overflow:hidden}.screen{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:20px}.intro-screen{background:linear-gradient(135deg,#667eea,#764ba2)}.intro-content{width:100%;max-width:600px}.intro-content h1{font-size:3.5rem;color:#fff;margin:0 0 10px;text-align:center;font-weight:700}.subtitle{font-size:1.2rem;color:#ffffffe6;text-align:center;margin:0 0 40px}.intro-card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 60px #0000004d}.intro-text{font-size:1.1rem;color:#333;margin:0 0 30px;text-align:center;font-weight:500}.age-buttons{display:grid;grid-template-columns:1fr;gap:15px}.age-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:20px;border-radius:15px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:5px}.age-btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px #667eea66}.age-btn:active{transform:translateY(-1px)}.age-label{font-size:1.3rem;font-weight:700}.age-desc{font-size:.9rem;opacity:.9}.quiz-screen{background:linear-gradient(135deg,#667eea,#764ba2)}.quiz-container{width:100%;max-width:700px;background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 60px #0000004d;display:flex;flex-direction:column;gap:30px;max-height:90vh;overflow-y:auto}.quiz-header{display:flex;flex-direction:column;gap:10px}.progress-bar{width:100%;height:8px;background:#e0e0e0;border-radius:10px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .3s ease}.question-number{font-size:.9rem;color:#666;margin:0;font-weight:500}.quiz-content{display:flex;flex-direction:column;gap:20px;flex:1}.quiz-content h2{font-size:1.5rem;color:#333;margin:0;line-height:1.4}.options-container{display:flex;flex-direction:column;gap:10px}.option-btn{background:#fff;border:2px solid #e0e0e0;padding:15px 20px;border-radius:12px;cursor:pointer;font-size:1rem;text-align:left;transition:all .3s ease;display:flex;align-items:center;gap:12px;font-weight:500;color:#333}.option-btn:hover{border-color:#667eea;background:#f8f9ff}.option-btn.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff}.checkbox{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border:2px solid currentColor;border-radius:5px;font-weight:700;font-size:.9rem;flex-shrink:0}.option-btn.selected .checkbox{background:#fff;color:#667eea;border-color:#fff}.free-response{width:100%;padding:15px;border:2px solid #e0e0e0;border-radius:12px;font-size:1rem;font-family:inherit;resize:vertical;min-height:120px;transition:border-color .3s ease}.free-response:focus{outline:none;border-color:#667eea;background:#f8f9ff}.quiz-footer{display:flex;gap:15px;justify-content:space-between;padding-top:20px;border-top:2px solid #e0e0e0}.nav-btn{padding:12px 24px;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;flex:1}.prev-btn{background:#f0f0f0;color:#333}.prev-btn:hover:not(:disabled){background:#e0e0e0}.prev-btn:disabled{opacity:.5;cursor:not-allowed}.next-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.next-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.next-btn.submit,.loading-screen{background:linear-gradient(135deg,#667eea,#764ba2)}.loading-content{display:flex;flex-direction:column;align-items:center;gap:30px;text-align:center}.spinner{width:60px;height:60px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-content h2{color:#fff;font-size:1.5rem;margin:0}.loading-content p{color:#ffffffe6;font-size:1.1rem;margin:0}.results-screen{background:linear-gradient(135deg,#667eea,#764ba2)}.results-container{width:100%;max-width:800px;display:flex;flex-direction:column;gap:30px}.results-container h1{color:#fff;font-size:2.5rem;text-align:center;margin:0}.recommendations-card{background:#fff;border-radius:20px;padding:30px;box-shadow:0 20px 60px #0000004d;max-height:60vh;overflow-y:auto}.recommendation-text{font-size:1.1rem;line-height:1.8;color:#333;white-space:pre-wrap;word-wrap:break-word}.results-actions{display:flex;justify-content:center;gap:15px}.restart-btn{background:#fff;color:#667eea;border:none;padding:14px 40px;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 5px 15px #0003}.restart-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #0000004d}.error-message{color:#dc3545;padding:12px;background:#f8d7da;border-radius:8px;margin:0;font-size:.9rem}@media(max-width:600px){.intro-content h1{font-size:2.5rem}.subtitle{font-size:1rem}.intro-card{padding:30px 20px}.quiz-container{padding:25px;max-height:85vh}.quiz-content h2{font-size:1.3rem}.nav-btn{padding:10px 16px;font-size:.9rem}.results-container h1{font-size:1.8rem}.recommendations-card{padding:20px}.recommendation-text{font-size:1rem}.age-btn{padding:15px}.age-label{font-size:1.1rem}.age-desc{font-size:.85rem}}@media(max-width:400px){.intro-content h1{font-size:2rem}.subtitle{font-size:.9rem}.quiz-footer{flex-direction:column}.nav-btn{width:100%}.age-buttons{gap:12px}.option-btn{padding:12px 15px;font-size:.9rem}}