:root {

    --bg-color: #ffffff;
    --surface-gray: #f8fafc;

    --text-main: #1e293b;

    --text-muted: #475569;


    --accent: #0e4c87;

    --accent-hover: #0b3b6a;

    --border: #e2e8f0;
    --border-dark: #cbd5e1;

    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Lora', serif;

    --radius: 4px;

}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: var(--accent);
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    color: var(--text-main);
    line-height: 1.3;
    font-weight: 600;
}

.container {
    max-width: 1200px;

    margin: 0 auto;
    padding: 0 24px;
}


.navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-text h1 {
    font-family: var(--font-sans);
    font-size: 14.5px;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-main);
    max-width: 250px;
    white-space: normal;
    line-height: 1.25;
    margin-bottom: 3px;
}

.brand-text span {
    font-size: 11px;
    color: var(--accent);
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-main);
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent);
}


.dropdown {
    position: relative;
}

.dropdown-toggle svg.caret {
    transition: transform 0.2s;
    margin-left: 2px;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    color: inherit;
}

.dropdown:hover .dropdown-toggle svg.caret,
.dropdown.active-dropdown .dropdown-toggle svg.caret {
    transform: rotate(180deg);
}

.dropdown-content {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #ffffff;
    min-width: 240px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 8px;
    padding: 12px 0;
    margin-top: 12px;
    transform: translateY(10px);
    transition: all 0.2s ease;
}

.dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 20px;
}

.dropdown:hover .dropdown-content {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 400;
    color: var(--text-main);
    transition: all 0.2s ease;
}

.dropdown-content a:hover {
    background-color: transparent;
    color: var(--accent);
    padding-left: 28px;
}

.dropdown-content.right-align {
    left: auto;
    right: 0;
    min-width: 160px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.pkp_form_error {
    background: #fef2f2;
    color: #dc2626;
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid #fca5a5;
    margin-bottom: 20px;
    font-size: 14px;
}

/* Hide OJS screen reader text visually */
.pkp_screen_reader {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.btn {
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    font-family: var(--font-sans);
}

.btn-primary {
    background-color: var(--accent);
    color: white !important;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-dark);
    color: var(--text-main) !important;
}

.btn-outline:hover {
    background-color: var(--surface-gray);
    border-color: var(--text-main);
}


.hero {
    padding: 60px 0 80px;
    background-color: var(--surface-gray);
    border-bottom: 1px solid var(--border);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: flex-start;
}

.hero-badge {
    display: inline-block;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.hero-content h2 {
    font-size: 40px;
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 650px;
    line-height: 1.8;
}

.hero-issn {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.issn-item {
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: var(--radius);
    background: #ffffff;
    display: inline-flex;
    align-items: center;
}

.issn-item strong {
    color: var(--text-main);
    font-weight: 600;
    margin-right: 6px;
}


.cover-2d {
    width: 100%;
    border: 1px solid var(--border);
    background: white;
    padding: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.cover-2d img {
    width: 100%;
    height: auto;
    display: block;
}


.indexing-section {
    margin-bottom: 60px;
}

.indexing-logos {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    align-items: center;
    justify-items: center;
    padding: 20px 0;
}

.indexing-logos a {
    display: block;
    width: 100%;
    transition: transform 0.2s ease;
}

.indexing-logos a:hover {
    transform: translateY(-3px);
}

.indexing-logos .index-img {
    width: 100%;
    height: 90px;
    object-fit: contain;
}


.editorial-board {
    margin-bottom: 60px;
}

.editorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.editorial-member {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-gray);
}

.editorial-role {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.editorial-name {
    font-size: 18px;
    font-family: var(--font-serif);
    color: var(--text-main);
    font-weight: 600;
}


.main-content {
    padding: 60px 0;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
}

.section-header {
    margin-bottom: 32px;
    border-bottom: 2px solid var(--text-main);
    padding-bottom: 12px;
}

.section-header h3 {
    font-size: 24px;
}


.article-card {
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}

.article-card:last-child {
    border-bottom: none;
}

.tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.article-title {
    font-size: 22px;
    margin-bottom: 12px;
}

.article-title a {
    color: var(--text-main);
}

.article-title a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.article-authors {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
    font-style: italic;
    font-family: var(--font-serif);
}

.article-footer {
    display: flex;
    align-items: center;
    gap: 24px;
}

.doi {
    font-size: 13px;
    color: var(--text-muted);
}

.btn-pdf {
    font-size: 13px;
    font-weight: 500;
    color: #d92424 !important;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid #d92424;
    border-radius: var(--radius);
    background: white;
    transition: all 0.2s;
}

.btn-pdf:hover {
    background: #d92424;
    color: white !important;
}


.widget {
    margin-bottom: 40px;
}

.widget h4 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--text-main);
    color: var(--text-main);
    font-weight: 700;
}

.policy-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.policy-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--surface-gray);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-main);
    font-weight: 500;
    font-size: 14.5px;
    transition: all 0.2s;
}

.policy-card svg {
    color: var(--accent);
    flex-shrink: 0;
    transition: transform 0.2s;
}

.policy-card:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 4px 6px -1px rgba(14, 76, 135, 0.1);
}

.policy-card:hover svg {
    transform: scale(1.1);
}


footer {
    background: var(--accent);
    border-top: none;
    padding: 60px 0 40px;
    color: #ffffff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
}

footer p,
footer a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

footer .brand-text h1 {
    color: #fff;
}

footer .brand-text span {
    color: #94a3b8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}


.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-main);
    cursor: pointer;
}

@media (max-width: 992px) {

    .hero-grid,
    .main-content {
        grid-template-columns: 1fr;
    }

    .hero-content h2 {
        font-size: 32px;
    }

    .hero-visual {
        max-width: 300px;
        margin: 0 auto;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border);
        gap: 16px;
    }

    .nav-menu.active {
        display: flex;
    }



    .nav-menu .dropdown.active-dropdown .dropdown-content {
        display: block !important;
    }

    .nav-menu .dropdown-content {
        position: static !important;
        display: none !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--border);
        border-radius: 0;
        margin-top: 12px;
        padding: 4px 0 4px 12px;
        min-width: 100%;
    }

    .nav-menu .dropdown-content a {
        padding: 10px 16px;
    }

    .nav-menu .dropdown-content a:hover {
        padding-left: 20px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-actions .btn {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
}
.scroll-progress-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
}
.scroll-progress-bar {
    height: 100%;
    background: var(--accent);
    width: 0%;
}
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background: #ffffff;
    color: var(--accent);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 1000;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: #f8fafc;
    color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}
@media (max-width: 992px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
}

/* --- GLOBAL RESPONSIVE OVERHAUL --- */

/* Tablets & Large Phones */
@media (max-width: 992px) {
    .indexing-logos {
        grid-template-columns: repeat(3, 1fr);
    }
    .nav-menu {
        top: 100% !important; /* Fix overlap issues */
    }
    .sidebar-nav {
        padding: 16px 0 !important;
    }
}

/* Standard Mobile */
@media (max-width: 768px) {
    .hero-content h2 {
        font-size: 26px !important;
    }
    .section-title {
        font-size: 24px !important;
        margin-bottom: 24px !important;
    }
    h1.document-title {
        font-size: 24px !important;
        margin-bottom: 16px !important;
    }
    .archive-year-title {
        font-size: 22px !important;
    }
    footer {
        padding: 40px 0 20px !important;
        margin-top: 40px !important;
    }
    .text-document {
        padding: 24px 16px !important;
    }
    .document-meta-item span {
        font-size: 13px !important;
    }
    .main-content {
        gap: 24px !important;
    }
}

/* Small Phones */
@media (max-width: 480px) {
    .container {
        padding: 0 16px !important;
    }

    .brand-text h1 {
        font-size: 13px !important;
        max-width: 180px !important;
    }
    .brand-text span {
        font-size: 9px !important;
    }
    .brand img {
        height: 32px !important;
    }

    .article-grid,
    .archive-grid {
        grid-template-columns: 1fr !important;
    }

    .indexing-logos {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }

    .hero-grid {
        padding-top: 32px !important;
        padding-bottom: 32px !important;
    }

    .article-meta {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }

    .article-card {
        padding: 20px !important;
    }

    .footer-grid {
        gap: 32px !important;
    }

    .issue-meta {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }
}

/* --- ARCHIVE STYLES --- */
.archive-year { margin-bottom: 40px; }
.archive-year-title { font-family: var(--font-serif); font-size: 28px; margin-bottom: 24px; border-bottom: 2px solid var(--accent); padding-bottom: 8px; display: inline-block; }
.archive-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.archive-card { text-align: center; }
.archive-cover { display: block; margin-bottom: 16px; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--border); transition: transform 0.3s; }
.archive-cover img { width: 100%; height: auto; display: block; }
.archive-cover:hover { transform: translateY(-5px); box-shadow: 0 8px 24px rgba(14, 76, 135, 0.15); }
.archive-issue-title { font-family: var(--font-serif); font-weight: 600; font-size: 18px; margin-bottom: 8px; }
.archive-date { color: var(--text-muted); font-size: 14px; }

/* --- ANNOUNCEMENTS --- */
.announcement-item { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.announcement-item h2 { font-size: 22px; font-family: var(--font-serif); margin-bottom: 8px; }
.announcement-item h2 a { color: var(--text-main); text-decoration: none; transition: color 0.2s; }
.announcement-item h2 a:hover { color: var(--accent); }
.announcement-date { display: block; font-size: 13.5px; color: var(--text-muted); margin-bottom: 12px; font-weight: 500; }
.announcement-description { color: var(--text-muted); line-height: 1.6; }

/* --- ABOUT LAYOUT --- */
.layout-wrapper { display: grid; grid-template-columns: 280px 1fr; gap: 60px; }
.sidebar-nav { background: var(--surface-gray); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 0; align-self: start; }
.sidebar-nav-title { font-family: var(--font-serif); font-size: 18px; font-weight: 600; padding: 0 24px 16px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.sidebar-nav a { display: block; padding: 12px 24px; color: var(--text-muted); text-decoration: none; border-left: 3px solid transparent; transition: all 0.2s; }
.sidebar-nav a:hover, .sidebar-nav a.active { color: var(--text-main); border-left-color: var(--accent); background: #fff; }
.sidebar-nav a.active { font-weight: 500; }
.text-document { font-size: 16px; line-height: 1.8; color: var(--text-main); }
.text-document h2 { font-family: var(--font-serif); font-size: 24px; margin: 40px 0 16px; color: var(--text-main); }
.text-document h3 { font-family: var(--font-serif); font-size: 20px; margin: 32px 0 16px; color: var(--text-main); }
.text-document p { margin-bottom: 16px; }
.text-document ul, .text-document ol { margin-bottom: 24px; padding-left: 24px; }
.text-document li { margin-bottom: 8px; }

/* --- ISSUE METADATA --- */
.issue-info-block { display: flex; gap: 40px; margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
.issue-cover-wrapper { flex: 0 0 250px; }
.issue-cover-wrapper img { width: 100%; height: auto; border: 1px solid var(--border); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.issue-details h2 { font-size: 28px; font-family: var(--font-serif); margin-bottom: 24px; }
.issue-meta-info { margin-bottom: 24px; color: var(--text-muted); font-size: 15px; }

/* Responsive adjustments */
@media (max-width: 992px) {
    .layout-wrapper { grid-template-columns: 1fr; }
    .sidebar-nav { margin-bottom: 32px; }
}
@media (max-width: 480px) {
    .archive-grid { grid-template-columns: 1fr !important; }
    .issue-info-block { flex-direction: column !important; }
    .issue-cover-wrapper { flex: 0 0 auto !important; width: 150px; }
}

/* --- Form and Login Styles --- */
.page_login, .page_register {
    max-width: 480px;
    margin: 60px auto;
    padding: 40px;
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.page_login h1, .page_register h1 {
    font-size: 26px;
    margin-bottom: 20px;
    color: var(--primary);
    text-align: center;
}

.page_login p, .page_register p {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

.cmp_form fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

.cmp_form .username, .cmp_form .password {
    margin-bottom: 20px;
}

.cmp_form .label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-main);
    font-size: 14px;
}

.cmp_form input[type="text"],
.cmp_form input[type="password"],
.cmp_form input[type="email"],
.cmp_form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    transition: all 0.2s;
    box-sizing: border-box;
}

.cmp_form .date-selects select {
    width: auto;
    display: inline-block;
    margin-right: 8px;
    margin-bottom: 8px;
}

.cmp_form input[type="text"]:focus,
.cmp_form input[type="password"]:focus,
.cmp_form input[type="email"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.cmp_form .password a {
    display: block;
    margin-top: 8px;
    font-size: 13.5px;
    color: var(--accent);
    text-align: right;
    text-decoration: none;
}
.cmp_form .password a:hover {
    text-decoration: underline;
}

.cmp_form .remember {
    margin-bottom: 24px;
}

.cmp_form .remember label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    cursor: pointer;
}

.cmp_form .remember input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.cmp_form .remember .label {
    margin: 0;
    font-weight: normal;
}

.cmp_form .buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cmp_form button.submit {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.2s, transform 0.1s;
}

.cmp_form button.submit:hover {
    background: #0f172a; /* darker blue/black */
}
.cmp_form button.submit:active {
    transform: scale(0.98);
}

.cmp_form .register {
    text-align: center;
    display: block;
    color: var(--accent);
    font-weight: 500;
    font-size: 15px;
    text-decoration: none;
    padding: 10px;
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    transition: all 0.2s;
}
.cmp_form .register:hover {
    background: rgba(37,99,235,0.05);
}

/* Hero Slogan Styles */
.hero-slogan {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    color: var(--accent);
    font-style: italic;
    margin-top: 4px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    border-left: 3px solid var(--accent);
    padding-left: 16px;
    opacity: 0.95;
    font-weight: 500;
}
[dir="rtl"] .hero-slogan {
    border-left: none;
    border-right: 3px solid var(--accent);
    padding-left: 0;
    padding-right: 16px;
    font-size: 1.5rem;
    font-family: inherit;
}

/* Mobile User Menu */
.mobile-only-user {
    display: none;
}
@media (max-width: 992px) {
    .mobile-only-user {
        display: block;
        width: 100%;
    }
    #userDropdown, .nav-actions > a.btn-primary {
        display: none !important;
    }
}

/* --- Breadcrumbs --- */
.breadcrumbs {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.breadcrumbs a {
    color: var(--text-main);
    font-weight: 500;
}

.breadcrumbs a:hover {
    color: var(--accent);
}

.breadcrumbs .separator {
    margin: 0 8px;
    color: var(--border-dark);
}

/* --- Article Page Specific Styles --- */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 60px;
    margin-top: 16px;
}

.article-main {
    background: #ffffff;
}

.article-header {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 32px;
}

.article-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.article-h1 {
    font-size: 34px;
    line-height: 1.35;
    margin-bottom: 24px;
}

.article-authors-block {
    margin-bottom: 16px;
}

.author-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.author-affiliation {
    font-size: 14.5px;
    color: var(--text-muted);
    margin-bottom: 24px;
    font-style: italic;
    font-family: var(--font-serif);
}

.abstract-section {
    margin-bottom: 40px;
}

.abstract-section h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--text-main);
    border-bottom: 2px solid var(--text-main);
    padding-bottom: 8px;
    display: inline-block;
}

.abstract-text {
    font-size: 15.5px;
    line-height: 1.8;
    color: #334155;
    margin-bottom: 24px;
    text-align: justify;
}

.keywords {
    font-size: 14.5px;
    margin-bottom: 40px;
}

.keywords strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 12px;
}

.keyword-tag {
    display: inline-block;
    background: var(--surface-gray);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 4px;
    margin-right: 8px;
    margin-bottom: 8px;
    color: var(--text-main);
    transition: all 0.2s;
    font-size: 13.5px;
}

.keyword-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: #ffffff;
}

.article-sidebar {
}

.sidebar-widget {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px 24px;
    margin-bottom: 24px;
}

.pdf-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: #d92424;
    color: white !important;
    font-size: 16px;
    font-weight: 600;
    padding: 16px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
    margin-bottom: 32px;
    box-shadow: 0 4px 12px rgba(217, 36, 36, 0.15);
}

.pdf-download-btn:hover {
    background: #b91d1d;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(217, 36, 36, 0.25);
}

.meta-group {
    margin-bottom: 24px;
}

.meta-group:last-child {
    margin-bottom: 0;
}

.meta-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 6px;
}

.meta-value {
    font-size: 14.5px;
    color: var(--text-main);
    line-height: 1.5;
}

.meta-value a {
    color: var(--accent);
}

.meta-value a:hover {
    text-decoration: underline;
}

.issue-thumb-container {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-dark);
}

.issue-thumb {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-top: 12px;
}

.issue-thumb img {
    width: 70px;
    height: auto;
    border: 1px solid var(--border);
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    background: #fff;
    padding: 2px;
}

.issue-title-link {
    font-weight: 600;
    color: var(--text-main);
    font-size: 14.5px;
    line-height: 1.4;
    display: block;
    margin-bottom: 4px;
}

.issue-title-link:hover {
    color: var(--accent);
}

@media (max-width: 992px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .article-sidebar {
        order: -1;
    }
}

/* --- Global Responsive Overrides --- */
@media (max-width: 480px) {
    .container {
        padding: 0 16px !important;
    }
    .article-meta {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }
    .article-card {
        padding: 20px !important;
    }
    .issue-meta {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }
}

/* --- PDF Viewer (Galley View) Fixes --- */
body.pkp_op_view {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

body.pkp_op_view .header_view {
    flex-shrink: 0;
    padding: 12px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.pkp_op_view .header_view a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

body.pkp_op_view .galley_view {
    flex-grow: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
}

body.pkp_op_view iframe {
    flex-grow: 1;
    width: 100%;
    height: 100%;
    border: none;
}

/* --- PDF Viewer (Galley View) Fixes --- */
body:has(#pdfCanvasContainer) {
    margin: 0 !important;
    padding: 0 !important;
    height: 100vh !important;
    width: 100vw !important;
    overflow: hidden !important;
    background: #525659 !important;
}

body:has(#pdfCanvasContainer) .header_view {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    z-index: 100;
    background: #f8f9fa;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    box-sizing: border-box;
}

body:has(#pdfCanvasContainer) .header_view a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

body:has(#pdfCanvasContainer) .galley_view {
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: calc(100vh - 50px) !important;
}

body:has(#pdfCanvasContainer) iframe {
    width: 100%;
    height: 100% !important;
    border: none;
    display: block;
}