:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{max-width:800px;margin:0 auto;padding:2rem;text-align:center}h1{font-size:3.2em;line-height:1.1;font-weight:200;letter-spacing:-2px}h2{font-weight:600;margin-top:3rem;margin-bottom:-1rem}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}.chat-container{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace;text-align:left;margin:2em 0;padding:1.5em;background-color:#2f2f2f;border-radius:8px;display:flex;flex-direction:column;gap:1em}.message{display:flex;align-items:flex-start;gap:10px}.avatar{width:40px;height:40px;background-color:#444;border-radius:50%;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.message-content{padding:10px 15px;background-color:#3b3b3b;border-radius:18px;max-width:80%}.quiz-container{margin-top:4rem;padding:2rem;border:1px solid #444;border-radius:8px;text-align:left}.quiz-container h2{text-align:center;margin-top:0}.quiz-container p{text-align:center}.quiz-container fieldset{border:none;padding:0;margin:0;margin-top:2rem}.quiz-container legend{font-weight:700;margin-bottom:1rem;font-size:1.1em;width:100%}.quiz-option{margin-bottom:1rem;display:flex;align-items:flex-start}.quiz-option input{margin-right:10px;margin-top:5px}.quiz-container button{display:block;width:100%;padding:.8em 1.2em;border-radius:8px;border:1px solid transparent;font-size:1em;font-weight:500;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s;margin-top:2rem}.quiz-container button:hover{border-color:#646cff}.result-message{margin-top:2rem;padding:1rem;border-radius:8px;text-align:center;font-weight:700}.result-message .success{background-color:#0478574d;color:#059669}.result-message .error{background-color:#dc26264d;color:#ef4444}footer{margin-top:4rem;font-size:.9em;color:#888}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}.chat-container{background-color:#f1f1f1}.message-content{background-color:#e9e9eb}.avatar{background-color:#ccc}}