body{background:#111827;color:#F8FAFC;font-family:Poppins,sans-serif;}.btn{background:#00D9FF;color:white;border-radius:12px;padding:10px 20px;box-shadow:0 0 15px #00D9FF;}.chat-box{background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);border-radius:20px;}