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

body{
    background:#0f172a;
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
}

.container{

    width:400px;

    background:rgba(255,255,255,0.08);

    border:1px solid rgba(255,255,255,0.15);

    backdrop-filter:blur(20px);

    padding:30px;

    border-radius:20px;

    text-align:center;

    color:white;

    box-shadow:
    0 8px 32px rgba(0,0,0,0.3);
}

h1{
    margin-bottom:10px;
}

.subtitle{
    color:#cbd5e1;
    margin-bottom:20px;
}

input,
select{

    width:100%;

    padding:12px;

    margin-bottom:15px;

    border:none;

    border-radius:10px;

    font-size:16px;
}

button{

    width:100%;

    padding:14px;

    border:none;

    border-radius:10px;

    cursor:pointer;

    font-size:16px;

    font-weight:bold;

    background:linear-gradient(
        135deg,
        #3b82f6,
        #8b5cf6
    );

    color:white;

    transition:0.3s;
}

button:hover{

    transform:scale(1.03);
}

#result{

    margin-top:20px;

    padding:15px;

    border-radius:10px;

    background:#1e293b;

    font-size:20px;

    font-weight:bold;
}