body{
font-family:Arial;
background:#0f172a;
color:white;
display:flex;
justify-content:center;
padding:30px;
}

.container{
background:#1e293b;
padding:25px;
border-radius:15px;
width:340px;
box-shadow:0 0 20px rgba(0,0,0,0.5);
}

h1{
text-align:center;
margin-bottom:5px;
}

.subtitle{
text-align:center;
font-size:14px;
color:#94a3b8;
margin-bottom:20px;
}

label{
display:block;
margin-top:12px;
font-size:14px;
}

input,select{
width:100%;
padding:10px;
margin-top:5px;
border-radius:6px;
border:none;
background:#e2e8f0;
font-size:14px;
}

button{
width:100%;
margin-top:18px;
padding:12px;
background:#22c55e;
border:none;
border-radius:8px;
font-size:16px;
color:white;
cursor:pointer;
transition:0.2s;
}

button:hover{
background:#16a34a;
}

.result{
margin-top:20px;
background:#020617;
padding:12px;
border-radius:8px;
font-size:14px;
}

.pass{
color:#22c55e;
font-weight:bold;
}

.fail{
color:#ef4444;
font-weight:bold;
}

.iecRef{
font-size:13px;
color:#94a3b8;
margin-top:5px;
}

.footer{
text-align:center;
margin-top:15px;
font-size:12px;
color:#64748b;
}

.input-group{
display:flex;
gap:6px;
}

.input-group input{
flex:3;
}

.input-group select{
flex:1;
}