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

body{
    background:#f5f5f5;
}

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

.card{
    width:100%;
    max-width:600px;
    background:#fff;
    padding:40px;
    border-radius:20px;
    box-shadow:0 10px 40px rgba(0,0,0,0.1);
}

h1{
    margin-bottom:10px;
    color:#5b4bdb;
}

p{
    margin-bottom:30px;
    color:#666;
}

form{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
}

input{
    flex:1;
    padding:15px;
    border:1px solid #ddd;
    border-radius:10px;
    font-size:16px;
}

button{
    padding:15px 30px;
    border:none;
    background:#5b4bdb;
    color:#fff;
    border-radius:10px;
    cursor:pointer;
    font-size:16px;
}

.result-card{
    margin-top:30px;
    border:2px solid #5b4bdb;
    border-radius:20px;
    padding:20px;
}

.box{
    background:#f7f7f7;
    padding:15px;
    border-radius:10px;
    margin-bottom:15px;
}

.label{
    font-size:12px;
    color:#777;
    margin-bottom:5px;
}

.value{
    font-size:18px;
    font-weight:bold;
}

.active{
    color:green;
}

.expired{
    color:red;
}