.pps-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:24px;
    margin:40px 0;
}

.pps-card{
    border:1px solid #ddd;
    padding:20px;
    border-radius:16px;
}

.pps-card img{
    width:100%;
    border-radius:12px;
    margin-bottom:15px;
}

.pps-btn,
.pps-read-btn{
    display:inline-block;
    padding:12px 20px;
    background:#000;
    color:#fff;
    text-decoration:none;
    border-radius:8px;
    margin-right:10px;
    margin-top:10px;
}

.pps-modal{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.7);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:9999;
}

.pps-modal-box{
    background:#fff;
    width:420px;
    padding:30px;
    border-radius:16px;
    position:relative;
}

.pps-close{
    position:absolute;
    right:15px;
    top:10px;
    cursor:pointer;
    font-size:28px;
}

#pps-register-form input{
    width:100%;
    margin-bottom:15px;
    padding:14px;
}

#pps-register-form button{
    width:100%;
    padding:14px;
    background:#000;
    color:#fff;
    border:none;
}

.pps-reader iframe{
    border:none;
    border-radius:16px;
}

.pps-info{
    padding:30px;
    border:1px solid #ddd;
    border-radius:16px;
}