.bog-wrapper{
    max-width:500px;
    margin:40px auto;
    padding:30px;
    background:#ffffff;
    border-radius:18px;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

.bog-wrapper h2{
    margin:0 0 25px;
    text-align:center;
    font-size:30px;
    font-weight:700;
}

.bog-item{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:18px;
    padding:15px 18px;
    background:#f7f7f7;
    border-radius:12px;
}

.bog-item label{
    font-size:18px;
    font-weight:600;
}

.bog-item input{
    width:90px;
    padding:12px;
    text-align:center;
    font-size:24px;
    border:2px solid #ddd;
    border-radius:10px;
}

.bog-item input:focus{
    outline:none;
    border-color:#00b140;
}

.bog-counter{
    display:flex;
    align-items:center;
    gap:12px;
}

.bog-counter input{
    width:70px;
    text-align:center;
    font-size:26px;
    font-weight:bold;
    border:2px solid #ddd;
    border-radius:12px;
    padding:12px;
}

.bog-counter button{
    width:60px;
    height:60px;
    border:none;
    border-radius:12px;
    background:#00b140;
    color:#fff;
    font-size:34px;
    font-weight:bold;
    cursor:pointer;
    transition:.2s;
}

.bog-counter button:hover{
    background:#009a38;
    transform:scale(1.05);
}

.bog-counter button:active{
    transform:scale(.95);
}

.bog-total{
    margin:30px 0 10px;
    text-align:center;
    font-size:20px;
}

#bog-total{
    display:block;
    margin-top:5px;
    font-size:42px;
    font-weight:700;
    color:#00b140;
}

.bog-description{
    margin:25px 0;
    padding:18px;
    background:#fafafa;
    border-radius:12px;
    text-align:center;
    font-size:18px;
    line-height:1.6;
}

.bog-button{
    display:block;
    width:100%;
    padding:18px;
    margin:25px 0;
    background:#00b140;
    color:#fff !important;
    text-decoration:none;
    text-align:center;
    font-size:20px;
    font-weight:700;
    border-radius:12px;
    transition:.2s;
}

.bog-button:hover{
    background:#009a38;
    transform:translateY(-2px);
}

.bog-qr{
    text-align:center;
    margin-top:20px;
}

.bog-qr img{
    width:260px;
    max-width:100%;
    border-radius:12px;
    padding:12px;
    background:#fff;
    box-shadow:0 6px 18px rgba(0,0,0,.08);
}

@media (max-width:600px){

    .bog-wrapper{
        margin:20px;
        padding:20px;
    }

    .bog-item{
        flex-direction:column;
        gap:12px;
        align-items:stretch;
    }

    .bog-item input{
        width:100%;
    }

    #bog-total{
        font-size:36px;
    }

}