:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;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}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}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}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}}:root{--primary-color: #16a34a;--bg-color: #f0f2f5;--header-bg: linear-gradient(135deg, #16a34a 0%, #ea580c 100%)}.app-container{background-color:var(--bg-color);height:100vh;display:flex;flex-direction:column}.chat-header{background:var(--header-bg);color:#fff;padding:1rem;display:flex;align-items:center;gap:15px}.message-bubble.user{background:var(--user-bubble-gradient, var(--primary-color));color:#fff;align-self:flex-end}.example-btn{border:1px solid var(--primary-color);color:var(--primary-color);background:#fff;margin:5px;padding:8px;border-radius:8px;cursor:pointer}