body{font-family:Arial;background:#0f172a;color:#fff}.container{max-width:700px;margin:60px auto;padding:20px;background:#1e293b}textarea,input{width:100%;margin-top:10px;padding:10px}button{margin-top:10px;width:100%;padding:10px;background:#c2410c}.result{margin-top:20px}