:root{font-family: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{--bg: #f9fafb;--text: #1f2937;--input-bg: #ffffff;--user-msg: #dbeafe;--bot-msg: #e5e7eb;--border: #e5e7eb;--btn-bg: #3b82f6;--btn-text: #ffffff}@media (prefers-color-scheme: dark){:root{--bg: #1e1e1e;--text: #f3f4f6;--input-bg: #2a2a2a;--user-msg: #2563eb;--bot-msg: #374151;--border: #4b5563;--btn-bg: #3b82f6;--btn-text: #ffffff}}html,body,#root{margin:0;padding:0;height:100%;width:100%;overflow:hidden;font-family:Segoe UI,Roboto,sans-serif;background-color:var(--bg);color:var(--text)}.chat-wrapper{display:flex;flex-direction:column;height:calc(var(--vh, 1vh) * 100);width:100vw;box-sizing:border-box}.header{font-weight:600;font-size:1.5rem;text-align:center;padding:16px}.messages{flex:1;overflow-y:auto;background:var(--input-bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:16px;box-sizing:border-box;display:flex;flex-direction:column}.message{max-width:90%;padding:10px 14px;border-radius:12px;margin-bottom:10px;line-height:1.4;word-wrap:break-word}.message.user{background-color:var(--user-msg);align-self:flex-end}.message.assistant{background-color:var(--bot-msg);align-self:flex-start}.input-form{display:flex;gap:8px;padding:16px;box-sizing:border-box;background:var(--bg);border-top:1px solid var(--border)}.input-form input{flex:1;padding:10px 14px;background:var(--input-bg);color:var(--text);border:1px solid var(--border);border-radius:8px;outline:none;font-size:1rem}.input-form button{padding:10px 16px;background-color:var(--btn-bg);color:var(--btn-text);border:none;border-radius:8px;cursor:pointer;font-size:1rem}.input-form button:disabled{opacity:.5;cursor:not-allowed}