: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}}.app{display:flex;flex-direction:column;height:100vh;width:100vw;background:#1e1f26;font-family:Segoe UI,sans-serif;color:#f5f5f5;overflow:hidden}.app-header{background-color:#2b2d42;padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;font-size:1.2rem;font-weight:700;color:#edf2f4;box-shadow:0 2px 5px #0003}.bot-icon{font-size:1.5rem;color:#a29bfe;margin-right:10px}.title{flex-grow:1;font-size:1.5rem}.version{font-size:.9rem;color:#8d99ae}.chat-box{flex:1;overflow-y:auto;padding:1rem;background:#121318;display:flex;flex-direction:column;gap:12px}.chat-message{display:flex;align-items:flex-start}.chat-message.user{justify-content:flex-end}.chat-message.bot{justify-content:flex-start}.bubble{max-width:75%;padding:10px 16px;border-radius:18px;font-size:.95rem;line-height:1.4;white-space:pre-wrap;word-wrap:break-word;animation:fadeIn .3s ease-in-out}.chat-message.user .bubble{background:#6c5ce7;color:#fff;border-bottom-right-radius:4px}.chat-message.bot .bubble{background:#dfe6e9;color:#2d3436;border-bottom-left-radius:4px}.chat-form{display:flex;padding:1rem;background:#1e1f26;border-top:1px solid #2c2c2c}.chat-input{flex:1;padding:.75rem 1rem;border:none;border-radius:20px;font-size:1rem;background:#2b2d42;color:#fff;outline:none;margin-right:10px}.send-btn{background-color:#6c5ce7;color:#fff;padding:0 18px;border:none;border-radius:20px;cursor:pointer;font-size:1.1rem;transition:background .3s}.send-btn:hover{background-color:#5e50e3}.send-btn:disabled{opacity:.6;cursor:not-allowed}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.language-selector{display:flex;align-items:center;justify-content:center;margin:10px 0;gap:10px}.language-selector select{padding:6px 10px;border-radius:6px;font-size:14px}.typing-indicator{display:inline-block;margin-left:5px}.typing-indicator:after{content:"...";animation:typing 1.5s infinite}@keyframes typing{0%{content:"."}33%{content:".."}66%{content:"..."}}.chat-message{transition:opacity .3s ease}.chat-box{scrollbar-width:thin;scrollbar-color:#888 transparent}.chat-box::-webkit-scrollbar{width:6px}.chat-box::-webkit-scrollbar-thumb{background-color:#888;border-radius:3px}