/* === GENERAL === */
body {
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    font-size: 16px;
    line-height: 1.6;
}

a {
    color: #007b8a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* === HEADER === */
.header .navbar {
    background-color: #004d5c;
    border-bottom: 4px solid #0097a7;
}

.header .navbar .nav-link,
.header .navbar-brand {
    color: #fff !important;
    font-weight: 500;
}

.header .navbar .nav-link:hover {
    color: #ffc107 !important;
}

/* === JOURNAL TITLE === */
.pkp_site_name, .page_header_title h1, .page_header_title h2 {
    color: #004d5c;
    font-weight: bold;
}

/* === HOMEPAGE CONTENT === */
.obj_issue_summary {
    background-color: #ffffff;
    border: 1px solid #dee2e6;
    padding: 15px;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

/* === ARTICLE LIST === */
.obj_article_summary {
    margin-bottom: 20px;
    padding: 20px;
    background-color: #ffffff;
    border-left: 5px solid #0097a7;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* === FOOTER === */
.pkp_structure_footer {
    background-color: #004d5c;
    color: #ffffff;
    padding: 20px 0;
}

.pkp_structure_footer a {
    color: #ffffff;
}

.pkp_structure_footer a:hover {
    text-decoration: underline;
}

/* === BUTTONS === */
.btn-primary {
    background-color: #0097a7;
    border-color: #007b8a;
}

.btn-primary:hover {
    background-color: #007b8a;
    border-color: #005f6b;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .page_header_title h1, .page_header_title h2 {
        font-size: 1.5rem;
    }
    .obj_article_summary {
        padding: 10px;
    }
}