/* === GLOBAL === */
body {
    font-family: 'Poppins', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f6fa;
    margin: 0;
    padding: 0;
}

a {
    color: #004d99;
    text-decoration: none;
    transition: 0.3s;
}
a:hover {
    color: #ffb400;
    text-decoration: underline;
}

/* === HEADER / LOGO === */
.pkp_site_name {
    background: linear-gradient(90deg, #003366, #004d99);
    padding: 15px;
    text-align: left;
}
.pkp_site_name a {
    font-size: 22px;
    font-weight: 600;
    color: #fff !important;
}

/* === NAVIGATION MENU === */
.pkp_navigation_primary {
    background: #004d99;
    padding: 10px;
    text-align: center;
}
.pkp_navigation_primary ul li a {
    color: #fff !important;
    padding: 10px 20px;
    font-weight: 500;
    border-radius: 4px;
}
.pkp_navigation_primary ul li a:hover {
    background: #ffb400;
    color: #003366 !important;
}

/* === HOMEPAGE / ISSUE === */
.obj_issue_toc {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0px 2px 10px rgba(0,0,0,0.08);
    margin-bottom: 25px;
}
.obj_issue_toc h2 {
    font-size: 20px;
    font-weight: 600;
    color: #004d99;
}

/* Tombol PDF */
.obj_galley_link.pdf {
    background: #004d99;
    color: #fff !important;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 500;
    display: inline-block;
    margin-top: 8px;
    transition: 0.3s;
}
.obj_galley_link.pdf:hover {
    background: #ffb400;
    color: #003366 !important;
}

/* === SIDEBAR === */
.pkp_block {
    background: #fff;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0px 2px 8px rgba(0,0,0,0.05);
}
.pkp_block .title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #004d99;
    border-left: 4px solid #ffb400;
    padding-left: 6px;
}

/* === FOOTER === */
.pkp_structure_footer {
    background: #003366;
    color: #fff;
    padding: 25px;
    text-align: center;
    font-size: 14px;
}
.pkp_structure_footer a {
    color: #ffb400;
    font-weight: 500;
}
.pkp_structure_footer a:hover {
    color: #ffd966;
}

/* === ARTICLE PAGE === */
.obj_article_details {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0px 2px 8px rgba(0,0,0,0.08);
}
.obj_article_details h1 {
    font-size: 22px;
    font-weight: 600;
    color: #004d99;
}
.obj_article_details .authors {
    font-style: italic;
    color: #555;
}

/* === BUTTON STYLE GLOBAL === */
.pkp_button {
    background: #004d99;
    color: #fff !important;
    border-radius: 25px;
    padding: 6px 18px;
    transition: 0.3s;
}
.pkp_button:hover {
    background: #ffb400;
    color: #003366 !important;
}

/* === RESPONSIVE MOBILE === */
@media (max-width: 768px) {
    .pkp_navigation_primary ul {
        display: block;
        text-align: center;
    }
    .pkp_navigation_primary ul li {
        display: block;
        margin: 5px 0;
    }
    .obj_issue_toc {
        padding: 15px;
    }
    .pkp_block {
        margin: 0 auto 20px auto;
    }
    .pkp_site_name a {
        font-size: 18px;
    }
}