body {
background:#0a0a0f;
color:white;
font-family:Arial;
text-align:center;
}
.container {max-width:500px;margin:auto;padding:20px;}
h1 {color:#8a2be2;text-shadow:0 0 15px #8a2be2;}
button {
background:linear-gradient(45deg,#6a00ff,#00d4ff);
border:none;padding:12px;margin:10px;color:white;
border-radius:10px;cursor:pointer;}
input {display:block;width:90%;margin:10px auto;padding:10px;border-radius:8px;border:none;}
.hidden {display:none;}