body{background:linear-gradient(to bottom,#f6f9fc,#e9eff5);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;margin:0;padding:0;min-height:100vh}input{font-size:1rem;padding:.5rem;border-radius:4px;border:1px solid #ccc}button{font-size:1rem;border-radius:4px;cursor:pointer}