body{font-family:Vazirmatn,Tahoma,sans-serif;background:#f8fafc;-webkit-font-smoothing:antialiased;direction:rtl}
.card{background:#fff;border-radius:12px;box-shadow:0 6px 30px rgba(2,6,23,0.06)}
.btn{background:#0ea5e9;color:#fff;border-radius:8px;padding:10px 14px}
.btn:hover{filter:brightness(.95)}
.input{border:1px solid #e6eef6;padding:10px 12px;border-radius:8px}
.input:focus{outline:none;box-shadow:0 0 0 4px rgba(14,165,233,.08)}
@media (max-width:768px){.messages{height:320px}}