*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:Arial,Helvetica,sans-serif;
background:#050816;
color:white;
overflow-x:hidden;
}

.bg{
position:fixed;
width:100%;
height:100%;
background:
radial-gradient(circle at 20% 20%,#2563eb55,transparent 30%),
radial-gradient(circle at 80% 80%,#7c3aed55,transparent 30%);
z-index:-1;
}

.container{
min-height:100vh;
display:flex;
justify-content:center;
align-items:center;
padding:20px;
}

.card{
width:100%;
max-width:460px;
background:#111827;
border:1px solid #2563eb55;
border-radius:24px;
padding:35px;
box-shadow:0 20px 60px rgba(37,99,235,.25);
}

h1{
font-size:42px;
text-align:center;
margin-bottom:10px;
}

p{
text-align:center;
color:#9CA3AF;
margin-bottom:30px;
}

label{
display:block;
margin-top:18px;
margin-bottom:8px;
font-size:14px;
}

input{
width:100%;
padding:14px;
border-radius:12px;
border:1px solid #374151;
background:#0B1020;
color:white;
}

input[type=color]{
height:50px;
padding:4px;
cursor:pointer;
}

button{
width:100%;
margin-top:25px;
padding:15px;
border:none;
border-radius:14px;
background:linear-gradient(135deg,#2563eb,#7c3aed);
color:white;
font-size:17px;
font-weight:bold;
cursor:pointer;
transition:.3s;
}

button:hover{
transform:translateY(-2px);
box-shadow:0 10px 25px rgba(37,99,235,.4);
}