body{font-family:tahoma;background:#1a1a2e;color:#fff;margin:0}
.chat-container{max-width:600px;margin:50px auto;background:#16213e;border-radius:10px;overflow:hidden}
.chat-header{background:#0f3460;padding:15px;font-weight:bold}
.chat-box{height:400px;overflow-y:auto;padding:15px;background:#0f0f1e}
.message{margin:8px 0;padding:8px;background:#16213e;border-radius:5px}
.chat-input{display:flex;padding:10px;background:#0f3460}
.chat-input input{flex:1;padding:10px;border:none;border-radius:5px}
.chat-input button{padding:10px 20px;margin-right:5px;background:#e94560;border:none;color:#fff;border-radius:5px;cursor:pointer}
.login-box{max-width:300px;margin:100px auto;background:#16213e;padding:30px;border-radius:10px}
.login-box input{width:100%;padding:10px;margin:10px 0;border:none;border-radius:5px}
.login-box button{width:100%;padding:10px;background:#e94560;border:none;color:#fff;border-radius:5px;cursor:pointer}
.error{color:#ff6b6b}