body { font-family: Arial, sans-serif; background-color: #f2f2f2; padding: 20px; }
#loginBox, #chatBox { background: #fff; padding: 20px; border-radius: 5px; max-width: 600px; margin: auto; box-shadow: 0px 0px 10px rgba(0,0,0,0.1); }
input[type=text], input[type=password] { width: 90%; padding: 10px; margin: 10px 0; border-radius: 3px; border: 1px solid #ccc; }
button { padding: 10px 20px; border: none; border-radius: 3px; background-color: #333; color: #fff; cursor: pointer; margin-right:5px; }
button:hover { background-color: #555; }
textarea { width: 100%; padding: 10px; border-radius: 3px; border: 1px solid #ccc; resize: none; margin-bottom: 10px; }
table { width: 100%; border-collapse: collapse; margin-top:20px; }
th, td { padding: 10px; text-align: left; }
th { background-color: #333; color: #fff; }
tr:nth-child(even) { background-color: #f2f2f2; }