: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}.card{padding:2em}#app{margin:0 auto;padding:2rem;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#app{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;text-align:center;padding:0;background-color:#1c1c1c;min-height:100vh;width:100%;color:#e0e0e0}h1{color:#fff;margin-bottom:20px}.chat-container{margin:20px 20px 0;border:2px solid #4f8a8b;padding:20px;border-radius:10px;background-color:#2c2c2c;box-shadow:0 4px 6px #0000004d}.messages{height:700px;overflow-y:auto;border:1px solid #555555;padding:15px;background-color:#333;margin-bottom:20px;border-radius:5px}.message{margin-bottom:15px;padding:12px 16px;border-radius:15px;max-width:80%;word-wrap:break-word;position:relative;box-shadow:0 2px 4px #0003}.own-message{background-color:#356859;color:#fff;align-self:flex-end;margin-left:auto;text-align:left}.other-message{background-color:#495867;color:#fff;align-self:flex-start;margin-right:auto;text-align:left}.message-header{display:flex;justify-content:space-between;margin-bottom:5px;font-size:.85em;color:#a0a0a0}.timestamp{font-size:.75em;color:#a0a0a0}.message-text{font-size:1em}.message-form{display:flex}.message-form input{flex:1;padding:12px 16px;font-size:16px;border:1px solid #4f8a8b;border-radius:5px 0 0 5px;outline:none;background-color:#2c2c2c;color:#e0e0e0;transition:border-color .3s ease}.message-form input:focus{border-color:#82d8d8}.message-form button{padding:12px 20px;font-size:16px;border:1px solid #4f8a8b;border-left:none;background-color:#4f8a8b;color:#fff;cursor:pointer;border-radius:0 5px 5px 0;transition:background-color .3s ease,transform .2s ease}.message-form button:hover{background-color:#82d8d8}.message-form button:active{transform:scale(.98)}.messages::-webkit-scrollbar{width:8px}.messages::-webkit-scrollbar-track{background:#1c1c1c;border-radius:4px}.messages::-webkit-scrollbar-thumb{background-color:#555;border-radius:4px}@media (max-width: 768px){.chat-container{max-width:90%}.messages{height:400px}}.clear-button{margin-top:10px;padding:10px 20px;background-color:#d32f2f;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s ease}.clear-button:hover{background-color:#e57373}.loading{text-align:center;padding:10px;font-size:1.2em;color:#4f8a8b;margin-top:10px;animation:blink 1s infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.auth-container{text-align:center;margin-top:50px}.user-info{display:flex;align-items:center;justify-content:flex-end;margin-bottom:10px}.user-photo{width:40px;height:40px;border-radius:50%}.user-name{margin-left:10px;font-weight:700}.logout-button{margin-left:20px;padding:6px 12px;background-color:#d32f2f;color:#fff;border:none;border-radius:5px;cursor:pointer}.logout-button:hover{background-color:#e57373}