body{
 font-family:system-ui;
 background:#0f172a;
 color:white;
 padding:40px;
}
.card{
 background:#1e293b;
 padding:15px;
 margin:10px 0;
 border-radius:8px;
}
button{
 background:#22c55e;
 border:none;
 padding:8px 12px;
 color:white;
 border-radius:6px;
}
input{
 padding:8px;
 margin:6px 0;
 width:100%;
}
a{color:#22c55e;}