/* ===== BODY ===== */

body{
    margin:0;
    min-height:100vh;

    background:
    linear-gradient(
        135deg,
        #eef2ff,
        #f8fafc
    );

    font-family:
    Inter,
    Arial,
    sans-serif;
}


/* ===== HEADER ===== */

.book-title{

    margin:0;

    font-size:28px;

    font-weight:700;

    color:#1e293b;
}


.book-subtitle{

    margin-top:6px;

    margin-bottom:0;

    color:#64748b;

    font-size:14px;
}


/* ===== VIEWER ===== */

.viewer-wrapper{

    padding:10px 0;
}


.viewer-card{

    background:white;

    border-radius:24px;
    min-height: calc(100vh - 82px);
    overflow:hidden;

    padding:10px;

    box-shadow:
        0 15px 40px rgba(
        0,
        0,
        0,
        .08
        );
}


.viewer-topbar{

    display:flex;

    align-items:center;

    gap:10px;

    margin-bottom:0px;

    padding-bottom:0px;

    border-bottom:
    1px solid #eee;
}


.status-dot{

    width:10px;

    height:10px;

    border-radius:50%;

    background:#22c55e;
}


.viewer-label{

    font-size:14px;

    font-weight:600;

    color:#64748b;
}


/* ===== DFLIP CUSTOM ===== */

._df_book{

    border-radius:15px;

    overflow:hidden;

    box-shadow:
    0 15px 35px rgba(
        0,
        0,
        0,
        .08
    );
}

.app-header{

    position:sticky;

    top:0;

    z-index:1000;

    background:white;

    border-bottom:1px solid rgba(0,0,0,.05);

    box-shadow:
        0 2px 15px rgba(
        0,
        0,
        0,
        .05
    );

}


.navbar{

    padding:7px 0;
}


.brand-logo{

    font-size:24px;

    font-weight:700;

    color:#1e293b!important;

    text-decoration:none;
}


.navbar-nav{

    gap:10px;
}


.nav-link{

    color:#64748b!important;

    font-weight:500;

    padding:10px 18px!important;

    border-radius:10px;

    transition:.3s;
}


.nav-link:hover{

    background:#eff6ff;

    color:#2563eb!important;

}


.nav-link.active{

    background:#2563eb;

    color:white!important;

}


.navbar-toggler{

    border:none;

    box-shadow:none!important;
}


/* MOBILE */

@media(max-width:991px){

.navbar-collapse{

    margin-top:15px;

    background:white;

    padding:15px;

    border-radius:15px;

    box-shadow:
        0 10px 30px rgba(
        0,
        0,
        0,
        .08
        );

}

.navbar-nav{

    gap:5px;
}

.nav-link{

    text-align:center;
}

}