: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{max-width:1280px;margin:0 auto;padding:2rem}.avia-logo{display:block;margin:32px auto 16px;max-width:120px;height:auto}.avia-app{text-align:center}.chat-container{max-width:400px;margin:40px auto;border:1px solid #e0e0e0;border-radius:10px;box-shadow:0 2px 8px #0001;background:#fff;display:flex;flex-direction:column;height:500px}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.chat-msg{padding:10px 16px;border-radius:18px;max-width:80%;word-break:break-word;font-size:1rem}.chat-msg.user{align-self:flex-end;background:#daf1fc;color:#222}.chat-msg.bot{align-self:flex-start;background:#f1f0f0;color:#333}.chat-form{display:flex;border-top:1px solid #eee;padding:10px;gap:8px}.chat-form input{flex:1;padding:8px 12px;border-radius:6px;border:1px solid #ccc;font-size:1rem}.chat-form button{padding:8px 18px;border-radius:6px;border:none;background:#0078d4;color:#fff;font-weight:700;cursor:pointer;transition:background .2s}.chat-form button:disabled{background:#b0c4d4;cursor:not-allowed}.chat-loading{text-align:center;color:#888;font-size:.95em;margin:8px 0 0}.chat-error{color:#c00;text-align:center;margin:8px 0 0;font-size:.95em}