/* Poly Journals Theme - Main Stylesheet */

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--pjt-font-body, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    font-size: 16px;
    line-height: 1.6;
    color: #1f2937;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--pjt-font-heading, 'Georgia', serif);
    color: #111827;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

a { color: var(--pjt-primary, #2563eb); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--pjt-secondary, #1e40af); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--pjt-primary, #2563eb); outline-offset: 2px; border-radius: 2px; }

img { max-width: 100%; height: auto; }

/* === Skip to Content (a11y) === */
.pjt-skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999;
    padding: 8px 16px;
    background: var(--pjt-primary, #2563eb);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
}
.pjt-skip-link:focus {
    left: 8px;
    top: 8px;
}

/* === Layout === */
.pjt-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.pjt-narrow { max-width: 800px; }

.pjt-main { min-height: 60vh; padding: 48px 0; }

/* === Header === */
.pjt-header {
    background: #fff;
    border-bottom: 3px solid var(--pjt-primary, #2563eb);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.pjt-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.pjt-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.pjt-logo img { max-height: 50px; width: auto; }

.pjt-site-title {
    font-family: var(--pjt-font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--pjt-secondary, #1e40af);
    text-decoration: none;
    white-space: nowrap;
}
.pjt-site-title:hover { color: var(--pjt-primary, #2563eb); text-decoration: none; }

.pjt-tagline {
    font-size: 0.8rem;
    color: #6b7280;
    display: none;
}

@media (min-width: 768px) {
    .pjt-tagline { display: inline; }
}

/* Mobile menu toggle */
.pjt-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background 0.2s;
}
.pjt-menu-toggle:hover { background: #f3f4f6; }
.pjt-menu-toggle:focus-visible { outline: 2px solid var(--pjt-primary, #2563eb); outline-offset: 2px; }

.pjt-menu-toggle span {
    width: 24px;
    height: 2px;
    background: #374151;
    transition: transform 0.3s, opacity 0.3s;
    display: block;
}

/* Hamburger animation */
.pjt-menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.pjt-menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.pjt-menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 768px) {
    .pjt-menu-toggle { display: none; }
}

/* Navigation */
.pjt-nav {
    display: none;
}

.pjt-nav.pjt-nav-open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 12px 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

@media (min-width: 768px) {
    .pjt-nav {
        display: block;
        position: static;
        background: none;
        border: none;
        padding: 0;
        box-shadow: none;
    }
}

.pjt-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

@media (min-width: 768px) {
    .pjt-menu {
        flex-direction: row;
        gap: 28px;
    }
}

.pjt-menu li a {
    display: block;
    padding: 8px 0;
    color: #374151;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.pjt-menu li a:hover { color: var(--pjt-primary, #2563eb); text-decoration: none; }
.pjt-menu li a:focus-visible { outline: 2px solid var(--pjt-primary, #2563eb); outline-offset: 2px; }
.pjt-menu li.current-menu-item a { color: var(--pjt-primary, #2563eb); font-weight: 600; }

/* === Hero === */
.pjt-hero {
    background: linear-gradient(135deg, var(--pjt-secondary, #1e40af) 0%, var(--pjt-primary, #2563eb) 60%, #3b82f6 100%);
    color: #fff;
    text-align: center;
    padding: 80px 24px;
    position: relative;
    overflow: hidden;
}

.pjt-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.pjt-hero-title {
    font-size: 2.8rem;
    margin: 0 0 16px;
    color: #fff;
    position: relative;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.pjt-hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.92;
    margin: 0 0 12px;
    position: relative;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pjt-hero-issn {
    font-size: 0.85rem;
    opacity: 0.65;
    margin: 0;
    position: relative;
    font-family: var(--pjt-font-body);
    letter-spacing: 0.05em;
}

@media (max-width: 640px) {
    .pjt-hero { padding: 48px 24px; }
    .pjt-hero-title { font-size: 2rem; }
    .pjt-hero-subtitle { font-size: 1.05rem; }
}

/* === Front Page === */
.pjt-front-page { padding-top: 0; }

/* Hero CTA buttons */
.pjt-hero-actions {
    margin-top: 28px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
}

.pjt-btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    background: #fff;
    color: var(--pjt-secondary, #1e40af);
    border: 2px solid #fff;
    transition: all 0.2s;
}

.pjt-btn-hero:hover {
    background: rgba(255,255,255,0.9);
    color: var(--pjt-primary, #2563eb);
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.pjt-btn-hero-outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.7);
    transition: all 0.2s;
}

.pjt-btn-hero-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
    color: #fff;
    text-decoration: none;
}

/* About / Info Cards */
.pjt-about-text {
    font-size: 1.05rem;
    color: #4b5563;
    line-height: 1.8;
    max-width: 800px;
    margin-bottom: 28px;
}

.pjt-info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.pjt-info-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
}

.pjt-info-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.pjt-info-card-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.pjt-info-card h3 {
    font-size: 0.95rem;
    margin: 0 0 6px;
    color: var(--pjt-secondary, #1e40af);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 700;
}

.pjt-info-card p {
    margin: 0;
    color: #4b5563;
    font-size: 0.9rem;
}

/* Conference date on front page */
.pjt-conf-date {
    font-weight: 600;
    color: var(--pjt-primary, #2563eb);
    margin: 4px 0;
}

/* Getting Started Steps (admin only) */
.pjt-setup-steps {
    display: grid;
    gap: 16px;
}

.pjt-setup-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px 24px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
}

.pjt-setup-step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--pjt-primary, #2563eb);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pjt-setup-step-content h3 {
    margin: 0 0 4px;
    font-size: 1rem;
}

.pjt-setup-step-content p {
    margin: 0 0 10px;
    font-size: 0.9rem;
    color: #6b7280;
}

/* Shortcode Reference */
.pjt-shortcode-ref {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 24px;
}

.pjt-shortcode-ref h3 {
    margin: 0 0 16px;
    font-size: 1rem;
}

.pjt-shortcode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 10px;
}

.pjt-shortcode-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: #f9fafb;
    border-radius: 6px;
    font-size: 0.85rem;
}

.pjt-shortcode-item code {
    background: #e5e7eb;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.pjt-shortcode-item span {
    color: #6b7280;
}

/* === Empty States === */
.pjt-empty-state {
    text-align: center;
    padding: 48px 24px;
    border: 2px dashed #e5e7eb;
    border-radius: 12px;
    background: #fafbfc;
}

.pjt-empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.6;
}

.pjt-empty-state p {
    color: #6b7280;
    font-size: 0.95rem;
    margin: 0 0 16px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Progress Bar */
.pjt-progress-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pjt-progress-track {
    flex: 1;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.pjt-progress-fill {
    height: 100%;
    background: var(--pjt-accent, #059669);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.pjt-progress-label {
    font-size: 0.85rem;
    color: #6b7280;
    white-space: nowrap;
}

/* Completed setup step */
.pjt-step-done {
    opacity: 0.6;
}

.pjt-step-done .pjt-setup-step-number {
    background: var(--pjt-accent, #059669);
    font-size: 0.9rem;
}

/* === Sections === */
.pjt-section { padding: 56px 0; }
.pjt-section-alt { background: #f8fafc; }

.pjt-section-title {
    font-size: 1.6rem;
    margin: 0 0 28px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--pjt-primary, #2563eb);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pjt-section-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--pjt-accent, #059669);
    border-radius: 2px;
    flex-shrink: 0;
}

/* === Articles Grid === */
.pjt-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.pjt-article-card {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 24px;
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
    background: #fff;
    display: flex;
    flex-direction: column;
}

.pjt-article-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: var(--pjt-primary, #2563eb);
}

.pjt-article-card-title {
    font-size: 1.1rem;
    margin: 0 0 8px;
    line-height: 1.4;
}
.pjt-article-card-title a { color: var(--pjt-secondary, #1e40af); }
.pjt-article-card-title a:hover { text-decoration: none; color: var(--pjt-primary, #2563eb); }

.pjt-article-card-authors {
    font-size: 0.85rem;
    color: #6b7280;
    margin: 0 0 6px;
}

.pjt-article-card-date {
    font-size: 0.8rem;
    color: #9ca3af;
    margin: 0 0 10px;
}

.pjt-article-card-abstract {
    font-size: 0.9rem;
    color: #4b5563;
    margin: 0 0 16px;
    line-height: 1.6;
    flex-grow: 1;
}

.pjt-article-card-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #f3f4f6;
}

.pjt-doi { font-size: 0.75rem; color: #9ca3af; font-family: monospace; }

/* === Article Single === */
.pjt-article-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

@media (min-width: 900px) {
    .pjt-article-layout {
        grid-template-columns: 1fr 320px;
    }
}

.pjt-article-header { margin-bottom: 36px; }

.pjt-article-title {
    font-size: 2.2rem;
    margin: 12px 0 16px;
    letter-spacing: -0.02em;
}

.pjt-article-authors {
    font-size: 1.05rem;
    color: #4b5563;
    margin: 0 0 12px;
}

.pjt-article-meta-bar {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 20px;
    padding: 12px 0;
    border-top: 1px solid #f3f4f6;
    border-bottom: 1px solid #f3f4f6;
}

.pjt-article-meta-bar span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pjt-article-actions {
    margin-top: 20px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pjt-article-metrics {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
    color: #6b7280;
    margin-top: 12px;
}

.pjt-article-metrics span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pjt-article-section {
    margin-bottom: 36px;
}

.pjt-article-section h2 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: var(--pjt-secondary, #1e40af);
    padding-bottom: 8px;
    border-bottom: 1px solid #f3f4f6;
}

.pjt-abstract {
    background: #f8fafc;
    padding: 24px;
    border-radius: 10px;
    border-left: 4px solid var(--pjt-primary, #2563eb);
    line-height: 1.8;
    font-size: 0.95rem;
    color: #374151;
}

.pjt-keywords {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* === ORCID === */
.pjt-orcid-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: #a6ce39;
    text-decoration: none;
}
.pjt-orcid-link:hover { color: #82a530; }

.pjt-orcid-icon {
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

/* === Sidebar === */
.pjt-article-sidebar {
    font-size: 0.9rem;
}

.pjt-sidebar-section {
    margin-bottom: 28px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid #f0f0f0;
}

.pjt-sidebar-section h3 {
    font-size: 0.95rem;
    margin: 0 0 12px;
    color: var(--pjt-secondary, #1e40af);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 700;
}

.pjt-sidebar-section ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pjt-sidebar-section li {
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
}

.pjt-sidebar-section li:last-child { border-bottom: none; }

.pjt-author-list li {
    padding: 10px 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* === Issue Templates === */
.pjt-issue-header {
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--pjt-primary, #2563eb);
}

.pjt-issue-header h1 {
    margin: 0 0 8px;
    font-size: 2rem;
}

.pjt-issue-meta {
    font-size: 1.05rem;
    color: #6b7280;
}

.pjt-issues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.pjt-issue-card {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
    background: #fff;
}

.pjt-issue-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.pjt-issue-card-cover {
    height: 8px;
    background: linear-gradient(90deg, var(--pjt-primary, #2563eb), var(--pjt-accent, #059669));
}

.pjt-issue-card-body { padding: 24px; }

.pjt-issue-card-title { margin: 0 0 8px; font-size: 1.2rem; }
.pjt-issue-card-title a { color: var(--pjt-secondary, #1e40af); }
.pjt-issue-card-title a:hover { color: var(--pjt-primary, #2563eb); text-decoration: none; }

.pjt-issue-card-meta { font-size: 0.9rem; color: #6b7280; margin: 0 0 8px; }
.pjt-issue-card-count {
    font-size: 0.85rem;
    color: #9ca3af;
    margin: 0 0 20px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Table of Contents */
.pjt-toc { margin-top: 28px; }

.pjt-toc-entry {
    padding: 24px 0;
    border-bottom: 1px solid #e5e7eb;
    transition: background 0.2s;
}

.pjt-toc-entry:hover { background: #fafbfc; margin: 0 -16px; padding-left: 16px; padding-right: 16px; border-radius: 8px; }

.pjt-toc-entry h3 {
    font-size: 1.15rem;
    margin: 0 0 8px;
    line-height: 1.4;
}
.pjt-toc-entry h3 a { color: var(--pjt-secondary, #1e40af); }
.pjt-toc-entry h3 a:hover { color: var(--pjt-primary, #2563eb); text-decoration: none; }

.pjt-toc-authors { font-size: 0.85rem; color: #6b7280; margin: 0 0 8px; }
.pjt-toc-abstract { font-size: 0.9rem; color: #4b5563; margin: 0 0 12px; line-height: 1.6; }
.pjt-toc-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: #6b7280;
    align-items: center;
}

/* === CFPs === */
.pjt-cfp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.pjt-cfp-card {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 24px;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
    background: #fff;
}

.pjt-cfp-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.pjt-cfp-card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.pjt-cfp-card p { font-size: 0.9rem; color: #4b5563; line-height: 1.6; }

.pjt-cfp-deadline {
    color: #d97706;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* === Archive Header === */
.pjt-archive-header {
    margin-bottom: 36px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--pjt-primary, #2563eb);
}

.pjt-archive-header h1 { margin: 0 0 4px; font-size: 2rem; }
.pjt-archive-desc { color: #6b7280; margin: 0; }

/* === Editorial Board === */
.pjt-board-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.pjt-board-member {
    text-align: center;
    padding: 24px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    transition: box-shadow 0.25s;
}

.pjt-board-member:hover { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06); }

/* === Badges === */
.pjt-badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: 0.75rem;
    border-radius: 20px;
    background: #eff6ff;
    color: var(--pjt-primary, #2563eb);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.pjt-badge-type { background: #f0fdf4; color: var(--pjt-accent, #059669); }
.pjt-badge-small { font-size: 0.65rem; padding: 2px 8px; }

/* === Buttons === */
.pjt-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    line-height: 1.4;
}

.pjt-btn-primary {
    background: var(--pjt-primary, #2563eb);
    color: #fff;
    border-color: var(--pjt-primary, #2563eb);
}

.pjt-btn-primary:hover {
    background: var(--pjt-secondary, #1e40af);
    border-color: var(--pjt-secondary, #1e40af);
    text-decoration: none;
    color: #fff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.pjt-btn-primary:focus-visible { outline: 2px solid var(--pjt-primary, #2563eb); outline-offset: 2px; }

.pjt-btn-outline {
    background: transparent;
    color: var(--pjt-primary, #2563eb);
    border-color: var(--pjt-primary, #2563eb);
}

.pjt-btn-outline:hover {
    background: var(--pjt-primary, #2563eb);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.pjt-btn-sm { padding: 6px 14px; font-size: 0.8rem; }

/* === Guidelines === */
.pjt-guidelines {
    background: #f8fafc;
    padding: 28px;
    border-radius: 10px;
    margin: 28px 0;
    border: 1px solid #e9ecef;
}

.pjt-checklist {
    list-style: none;
    padding: 0;
}

.pjt-checklist li {
    padding: 10px 0 10px 32px;
    position: relative;
    border-bottom: 1px solid #f3f4f6;
}

.pjt-checklist li::before {
    content: "\2610";
    position: absolute;
    left: 0;
    color: var(--pjt-primary, #2563eb);
    font-size: 1.1rem;
}

.pjt-checklist li:last-child { border-bottom: none; }

/* === Footer === */
.pjt-footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 56px 0 28px;
    margin-top: 56px;
}

.pjt-footer a { color: #93c5fd; transition: color 0.2s; }
.pjt-footer a:hover { color: #bfdbfe; }

.pjt-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 36px;
    margin-bottom: 36px;
}

.pjt-footer-brand h3 { color: #fff; margin: 0 0 10px; font-size: 1.2rem; }
.pjt-issn { font-size: 0.85rem; font-family: monospace; letter-spacing: 0.02em; }

.pjt-footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pjt-footer-menu li { padding: 5px 0; }
.pjt-footer-menu li a:focus-visible { outline: 2px solid #93c5fd; outline-offset: 2px; }

.pjt-social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pjt-social-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid #334155;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #94a3b8;
    transition: all 0.2s;
}

.pjt-social-link:hover {
    background: #1e293b;
    color: #e2e8f0;
    border-color: #475569;
    text-decoration: none;
}

.pjt-social-link svg { width: 16px; height: 16px; fill: currentColor; }

.pjt-footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 20px;
    font-size: 0.85rem;
    color: #64748b;
    text-align: center;
}

/* === Pagination === */
.nav-links {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-top: 36px;
}

.nav-links a, .nav-links span {
    padding: 10px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.nav-links a:hover {
    background: var(--pjt-primary, #2563eb);
    color: #fff;
    border-color: var(--pjt-primary, #2563eb);
    text-decoration: none;
}

.nav-links .current {
    background: var(--pjt-primary, #2563eb);
    color: #fff;
    border-color: var(--pjt-primary, #2563eb);
}

/* === View All / CTA === */
.pjt-center-cta {
    text-align: center;
    margin-top: 28px;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .pjt-article-layout {
        grid-template-columns: 1fr;
    }

    .pjt-article-sidebar {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 16px;
    }
}

@media (max-width: 640px) {
    .pjt-articles-grid,
    .pjt-issues-grid,
    .pjt-cfp-grid {
        grid-template-columns: 1fr;
    }

    .pjt-article-title { font-size: 1.6rem; }
    .pjt-section { padding: 36px 0; }
    .pjt-container { padding: 0 16px; }
    .pjt-footer { padding: 40px 0 20px; }
}

/* === Print Stylesheet === */
@media print {
    .pjt-header,
    .pjt-footer,
    .pjt-menu-toggle,
    .pjt-article-actions,
    .pjt-nav,
    .nav-links,
    .pjt-skip-link { display: none !important; }

    body { font-size: 12pt; color: #000; background: #fff; }
    a { color: #000; text-decoration: underline; }
    .pjt-article-layout { grid-template-columns: 1fr; }
    .pjt-abstract { border: 1px solid #ccc; }
    .pjt-article-sidebar { page-break-before: always; }

    .pjt-article-meta-bar::after {
        content: " - Printed from " attr(data-url);
        display: block;
        font-size: 10pt;
        color: #666;
    }

    .pjt-paywall-card { display: none !important; }
}

/* === Paywall Card === */
.pjt-paywall-card {
    text-align: center;
    padding: 48px 32px;
    margin: 32px 0;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: linear-gradient(135deg, #fefce8 0%, #fff 50%, #ecfdf5 100%);
}

.pjt-paywall-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.pjt-paywall-card h3 {
    margin: 0 0 12px;
    font-size: 1.3rem;
    color: #1f2937;
}

.pjt-paywall-card > p {
    color: #6b7280;
    max-width: 500px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

.pjt-paywall-options {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.pjt-paywall-option {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 20px 24px;
    min-width: 200px;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.pjt-paywall-option strong {
    font-size: 0.95rem;
    color: #374151;
}

.pjt-paywall-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--pjt-primary, #1e40af);
}

.pjt-paywall-code {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #e5e7eb;
}

.pjt-paywall-code label {
    font-size: 0.85rem;
    color: #6b7280;
    font-weight: 600;
}

.pjt-paywall-code input[type="text"] {
    padding: 6px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 0.9rem;
}

.pjt-paywall-login {
    margin-top: 16px;
    font-size: 0.9rem;
    color: #6b7280;
}

.pjt-paywall-login a {
    color: var(--pjt-primary, #1e40af);
    font-weight: 600;
}

@media (max-width: 600px) {
    .pjt-paywall-options {
        flex-direction: column;
        align-items: center;
    }
    .pjt-paywall-option {
        width: 100%;
    }
}