*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:'Segoe UI',sans-serif;
}

body{
min-height:100vh;
display:flex;
justify-content:center;
align-items:center;
color:#fff;
}

body::before{
content:"";
position:fixed;
inset:0;
background:url("../img/kampus.jpg") center/cover no-repeat fixed;
z-index:-2;
}

body::after{
content:"";
position:fixed;
inset:0;
background:rgba(0,0,0,.45);
backdrop-filter:blur(6px);
z-index:-1;
}

.overlay{
width:100%;
max-width:420px;
background:rgba(255,255,255,.08);
backdrop-filter:blur(12px);
padding:28px;
border-radius:20px;
}

.form-header h2{
color:#FFD700;
text-align:center;
}

label{
margin-top:12px;
display:block;
}

input{
width:100%;
padding:10px;
margin-top:6px;
border-radius:10px;
border:1px solid rgba(255,255,255,.2);
background:rgba(255,255,255,.08);
color:#fff;
}

.button-group{
margin-top:20px;
display:flex;
flex-direction:column;
gap:10px;
}

.btn{
padding:12px;
border-radius:12px;
background:#ffc107;
border:none;
cursor:pointer;
color:#000;
text-align:center;
text-decoration:none;
}

.notif{
margin-bottom:12px;
background:rgba(255,0,0,.2);
padding:10px;
border-radius:10px;
}