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

body{

    font-family:Arial, Helvetica, sans-serif;

    background:#f4efe5;

    color:#2f2418;

}

.library-header{

    text-align:center;

    padding:60px 20px;

}

.library-header h1{

    font-size:48px;

    margin-bottom:20px;

}

.library-header p{

    max-width:700px;

    margin:auto;

    font-size:18px;

    line-height:1.7;

    color:#6b5c48;

}

.category{

    width:90%;

    margin:70px auto;

}

.category h2{

    font-size:34px;

    margin-bottom:8px;

}

.category p{

    color:#8b7a65;

    margin-bottom:30px;

}

.books{

    display:grid;

    grid-template-columns:repeat(auto-fill,minmax(220px,1fr));

    gap:30px;

}

.book-card{

    background:white;

    border-radius:18px;

    overflow:hidden;

    box-shadow:0 10px 25px rgba(0,0,0,.12);

    transition:.3s;

    cursor:pointer;

}

.book-card:hover{

    transform:translateY(-8px);

}

.book-card img{

    width:100%;

    aspect-ratio:2/3;

    object-fit:cover;

    background:#ddd;

}

.book-card h3{

    padding:18px;

    font-size:20px;

}

.badge{

    display:inline-block;

    margin:0 18px 20px;

    padding:8px 16px;

    border-radius:40px;

    font-size:13px;

    font-weight:bold;

}

.available{

    background:#2e8b57;

    color:white;

}

.coming{

    background:#d18a00;

    color:white;

}

.locked{

    background:#666;

    color:white;

}