body{
    margin:0;
    font-family:Arial,sans-serif;
    background:#f7f7f7;
    color:#222;
}

.header{
    background:#0d2d52;
    color:white;
    padding:20px;
    text-align:center;
}

.container{
    width:95%;
    max-width:1200px;
    margin:auto;
}



.grid{

    display:grid;

    grid-template-columns:repeat(2,minmax(320px,520px));

    justify-content:center;

    gap:30px;
}

.card{
    background:white;
    border-radius:12px;
    overflow:hidden;
    box-shadow:0 2px 8px rgba(0,0,0,0.08);
}

.card img{
    width:100%;
    height:320px;
    object-fit:cover;
}

.card-body{
    padding:15px;
}

.btn{
    display:inline-block;
    background:#0d2d52;
    color:white;
    text-decoration:none;
    padding:12px 18px;
    border-radius:8px;
    margin-top:10px;
}

input,textarea,select{
    width:100%;
    padding:12px;
    margin-bottom:12px;
    border:1px solid #ccc;
    border-radius:8px;
    box-sizing:border-box;
}

@media(max-width:700px){

    .card img{
        height:260px;
    }

    .btn{
        width:100%;
        text-align:center;
        box-sizing:border-box;
    }
}



.book-card{
    position:relative;
}







.book-badge{

    position:absolute;

    top:12px;

    left:12px;

    color:white;

    padding:6px 12px;

    border-radius:20px;

    font-size:11px;

    font-weight:700;

    letter-spacing:0.5px;

    z-index:20;

    box-shadow:0 2px 8px rgba(0,0,0,0.25);

    text-transform:uppercase;
}






















.badge-paper{
    background:#1b5e20;
}

.badge-audio{
    background:#6a1b9a;
}

.badge-ebook{
    background:#1565c0;
}





.btn-outline{

    background:white !important;

    color:#0d2d52 !important;

    border:2px solid #0d2d52;
}