.pfx-card{
background:#fff;
padding:20px;
border-radius:20px;
box-shadow:0 10px 30px rgba(0,0,0,.08);
max-width:500px;
margin:auto;
}

.pfx-balance{
background:linear-gradient(135deg,#0f172a,#1e293b);
color:#fff;
padding:20px;
border-radius:15px;
margin-bottom:20px;
text-align:center;
}

.pfx-balance span{
display:block;
opacity:.8;
font-size:14px;
}

.pfx-balance strong{
font-size:28px;
display:block;
margin-top:8px;
}

.pfx-field{
margin-bottom:15px;
}

.pfx-field label{
display:block;
margin-bottom:8px;
font-weight:600;
}

.pfx-field input,
.pfx-field select{
width:100%;
height:52px;
border:1px solid #ddd;
border-radius:12px;
padding:0 15px;
font-size:15px;
background:#fff;
}

.pfx-btn{
width:100%;
height:55px;
border:none;
border-radius:14px;
background:#2563eb;
color:#fff;
font-size:16px;
font-weight:700;
cursor:pointer;
}

.pfx-btn:hover{
opacity:.9;
}

.pfx-alert{
padding:15px;
border-radius:12px;
margin-bottom:15px;
}

.pfx-alert.success{
background:#dcfce7;
color:#166534;
}

.pfx-alert.error{
background:#fee2e2;
color:#991b1b;
}

@media(max-width:600px){

.pfx-card{
padding:15px;
}

.pfx-balance strong{
font-size:24px;
}

}