body{font-family:'Cairo',sans-serif;background:#eef9ff;color:#03314a;margin:0;text-align:center;}
header{background:#00bfff;color:white;padding:20px 0;}
#chat{max-width:500px;margin:20px auto;padding:10px;background:white;border-radius:10px;}
#messages{min-height:150px;text-align:right;padding:10px;border:1px solid #ccc;margin-bottom:10px;}
footer{margin:20px 0;}