/* ============================================
   GLASS JOURNAL THEME — OJS 3.3
   Clean, professional, Apple/Google-inspired UI
   ============================================ */

/* ---------- Import Google Font (must be first) ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Roboto:wght@300;400;500;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
    --cl-primary: #1d4ed8;
    --cl-primary-light: #3b82f6;
    --cl-primary-soft: #eff6ff;
    --cl-accent: #0ea5e9;
    --cl-text: #1e293b;
    --cl-text-secondary: #64748b;
    --cl-text-muted: #94a3b8;
    --cl-bg: #ffffff;
    --cl-bg-subtle: #f8fafc;
    --cl-bg-elevated: #ffffff;
    --cl-border: #e2e8f0;
    --cl-border-light: #f1f5f9;
    --cl-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --cl-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --cl-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
    --cl-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.1);
    --cl-radius-sm: 8px;
    --cl-radius-md: 12px;
    --cl-radius-lg: 16px;
    --cl-radius-xl: 20px;
    --cl-font: 'Inter', -apple-system, BlinkMacSystemFont,
        'Segoe UI', system-ui, sans-serif;
    --cl-transition: cubic-bezier(0.4, 0, 0.2, 1);
    --cl-max-width: 1200px;
}

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

a,
button,
input,
select,
textarea,
.obj_article_summary,
.obj_galley_link,
.pkp_block,
.cmp_block {
    transition: background-color 0.2s var(--cl-transition),
                border-color 0.2s var(--cl-transition),
                color 0.2s var(--cl-transition),
                box-shadow 0.2s var(--cl-transition),
                transform 0.2s var(--cl-transition);
}

@media (prefers-reduced-motion: reduce) {
    a,
    button,
    input,
    select,
    textarea,
    .obj_article_summary,
    .obj_galley_link,
    .pkp_block,
    .cmp_block {
        transition: none !important;
    }
}

body {
    font-family: var(--cl-font) !important;
    background: var(--cl-bg-subtle) !important;
    color: var(--cl-text) !important;
    line-height: 1.65 !important;
    font-size: 15px !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    overflow-x: hidden;
}

/* ---------- Links ---------- */
a {
    color: var(--cl-primary) !important;
    text-decoration: none !important;
}

a:hover {
    color: var(--cl-primary-light) !important;
    text-shadow: none !important;
}

/* ---------- Header ---------- */
.pkp_structure_head,
header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    border-bottom: 1px solid var(--cl-border);
    /* No position, no z-index, no box-shadow here —
       the custom header block owns those. */
}

.pkp_head_wrapper {
    max-width: var(--cl-max-width) !important;
    margin: 0 auto !important;
    padding: 0 24px !important;
}

/* ---------- Site Title ---------- */
.pkp_site_name a,
.pkp_site_name span {
    color: var(--cl-text) !important;
    font-weight: 700 !important;
    font-size: 1.5rem !important;
    letter-spacing: -0.03em !important;
    -webkit-text-fill-color: var(--cl-text) !important;
    background: none !important;
}

.pkp_site_name a:hover {
    color: var(--cl-primary) !important;
    -webkit-text-fill-color: var(--cl-primary) !important;
}

/* ---------- Navigation ---------- */
.pkp_navigation_primary,
.pkp_navigation_primary_row,
.pkp_nav_list,
nav.navbar {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
}

.pkp_navigation_primary a,
.pkp_navigation_primary_row a {
    color: var(--cl-text-secondary) !important;
    font-weight: 500 !important;
    font-size: 0.9rem !important;
    padding: 10px 16px !important;
    border-radius: var(--cl-radius-sm) !important;
    -webkit-text-fill-color: var(--cl-text-secondary) !important;
    background: none !important;
}

.pkp_navigation_primary a:hover,
.pkp_navigation_primary_row a:hover {
    color: var(--cl-primary) !important;
    background: var(--cl-primary-soft) !important;
    -webkit-text-fill-color: var(--cl-primary) !important;
}

/* ---------- Dropdown ---------- */
.pkp_navigation_primary ul ul,
.pkp_navigation_primary li ul,
.pkp_navigation_primary .dropdown-menu,
.pkp_navigation_primary li > ul,
.pkp_nav_list ul,
nav ul ul,
ul.pkp_nav_list ul {
    background: var(--cl-bg-elevated) !important;
    border: 1px solid var(--cl-border) !important;
    border-radius: var(--cl-radius-md) !important;
    box-shadow: var(--cl-shadow-lg) !important;
    padding: 6px !important;
    z-index: 9999 !important;
    position: absolute !important;
    overflow: visible !important;
    clip: auto !important;
    min-width: 200px !important;
}

.pkp_navigation_primary ul ul a,
.pkp_navigation_primary li ul a,
.pkp_navigation_primary .dropdown-menu a,
nav ul ul a {
    color: var(--cl-text) !important;
    -webkit-text-fill-color: var(--cl-text) !important;
    padding: 8px 14px !important;
    border-radius: var(--cl-radius-sm) !important;
    font-size: 0.88rem !important;
    display: block !important;
}

.pkp_navigation_primary ul ul a:hover,
.pkp_navigation_primary li ul a:hover,
nav ul ul a:hover {
    background: var(--cl-primary-soft) !important;
    color: var(--cl-primary) !important;
    -webkit-text-fill-color: var(--cl-primary) !important;
}

/* ---------- User Nav ---------- */
.pkp_navigation_user a {
    color: var(--cl-text-secondary) !important;
    font-size: 0.85rem !important;
    font-weight: 500 !important;
    -webkit-text-fill-color: var(--cl-text-secondary) !important;
    background: none !important;
}

.pkp_navigation_user a:hover {
    color: var(--cl-primary) !important;
    -webkit-text-fill-color: var(--cl-primary) !important;
}

/* ---------- Layout: Two Columns (Flexbox) ---------- */
.pkp_structure_content {
    max-width: var(--cl-max-width) !important;
    margin: 0 auto !important;
    padding: 40px 24px !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 24px !important;
    align-items: flex-start !important;
}

.pkp_structure_main {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    /*
     * overflow:clip prevents children painting outside
     * the rounded corners WITHOUT creating a new block
     * formatting context, so internal floats still work.
     */
    overflow: clip !important;
    background: var(--cl-bg-elevated) !important;
    border: 1px solid var(--cl-border) !important;
    border-radius: var(--cl-radius-lg) !important;
    box-shadow: var(--cl-shadow-sm) !important;
    padding: 40px !important;
    margin-bottom: 24px !important;
    position: relative !important;
    z-index: auto !important;
}

/*
 * Clearfix so the white card background stretches to
 * contain any floated children (e.g. article detail cols).
 */
.pkp_structure_main .page::after {
    content: "" !important;
    display: table !important;
    clear: both !important;
}

.pkp_structure_sidebar {
    flex: 0 0 280px !important;
    position: relative !important;
    z-index: 10 !important;
}

/* ---------- Sidebar Cards ---------- */
.pkp_block,
.cmp_block {
    background: var(--cl-bg-elevated) !important;
    border: 1px solid var(--cl-border) !important;
    border-radius: var(--cl-radius-md) !important;
    box-shadow: var(--cl-shadow-sm) !important;
    padding: 20px !important;
    margin-bottom: 16px !important;
    overflow: hidden !important;
}

.pkp_block .title,
.cmp_block .title {
    color: var(--cl-text) !important;
    font-size: 0.75rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.06em !important;
    font-weight: 700 !important;
    margin-bottom: 12px !important;
    padding-bottom: 10px !important;
    border-bottom: 1px solid var(--cl-border-light) !important;
}

.pkp_block ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.pkp_block ul li a {
    display: block !important;
    padding: 7px 10px !important;
    border-radius: 6px !important;
    color: var(--cl-text-secondary) !important;
    font-size: 0.88rem !important;
    font-weight: 400 !important;
}

.pkp_block ul li a:hover {
    background: var(--cl-primary-soft) !important;
    color: var(--cl-primary) !important;
}

/* ---------- Headings (global defaults) ---------- */
.pkp_structure_main h1,
.pkp_structure_main h2,
.pkp_structure_main h3,
.pkp_structure_main h4,
.pkp_structure_sidebar h1,
.pkp_structure_sidebar h2,
.pkp_structure_sidebar h3,
.pkp_structure_sidebar h4,
.pkp_structure_head h1,
.pkp_structure_head h2,
.pkp_structure_head h3,
.pkp_structure_head h4 {
    color: var(--cl-text) !important;
    font-weight: 700 !important;
    letter-spacing: -0.02em !important;
    -webkit-text-fill-color: var(--cl-text) !important;
    background: none !important;
    line-height: 1.3 !important;
    max-width: 100% !important;
    width: auto !important;
}

.pkp_structure_main h1,
.pkp_structure_head h1 {
    font-size: 2rem !important;
    font-weight: 800 !important;
    margin-bottom: 8px !important;
}

.pkp_structure_main h2 {
    font-size: 1.4rem !important;
    margin-bottom: 20px !important;
}

/*
 * Kill ALL default theme pseudo-element decorations on
 * h2 inside the main column — we re-add borders only
 * where we explicitly want them below.
 */
.pkp_structure_main h2::before,
.pkp_structure_main h2::after {
    display: none !important;
    content: none !important;
    width: 0 !important;
    height: 0 !important;
}

/* ---------- Issue TOC ---------- */
.obj_issue_toc {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
}

/*
 * Both "Full Issue" (.galleys h2) and section headings
 * (.sections h2) get the same clean underline treatment.
 * Zero the default theme's left/right padding that caused
 * the bleed, replace with our own border-bottom.
 */
.obj_issue_toc h2 {
    padding-top: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    padding-bottom: 10px !important;
    margin-bottom: 16px !important;
    border-bottom: 2px solid var(--cl-border) !important;
    width: auto !important;
    max-width: 100% !important;
    font-size: 1.1rem !important;
}

/* Hide stray <hr> injected after TOC headings */
.obj_issue_toc hr {
    display: none !important;
}

/* Remove ::before line that overlaps section headings */
.obj_issue_toc .section::before {
    display: none !important;
}

/*
 * The .galleys div carries a large negative horizontal
 * margin in the default theme. Zero it out so it stays
 * inside our rounded card.
 */
.obj_issue_toc .galleys {
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-bottom: 24px !important;
}

/* ---------- Issue Summary (Archives list) ---------- */
.obj_issue_summary,
.obj_issue_summary .issue {
    overflow: hidden !important;
    border-bottom: 1px solid var(--cl-border) !important;
    padding-bottom: 20px !important;
    margin-bottom: 20px !important;
}

.obj_issue_summary::after {
    content: "" !important;
    display: block !important;
    clear: both !important;
}

.obj_issue_summary .cover {
    float: left !important;
    margin-right: 20px !important;
    margin-bottom: 10px !important;
    max-width: 180px !important;
}

.obj_issue_summary .cover img {
    display: block !important;
    width: 100% !important;
    border-radius: var(--cl-radius-sm) !important;
    box-shadow: var(--cl-shadow-md) !important;
}

/* ---------- Article Detail — Float Layout ---------- */
.obj_article_details {
    overflow: visible !important;
    width: 100% !important;
}

.obj_article_details::after {
    content: "" !important;
    display: table !important;
    clear: both !important;
}

/* Left column */
.obj_article_details .main_entry {
    float: left !important;
    width: 65% !important;
    padding-right: 40px !important;
    box-sizing: border-box !important;
    overflow: visible !important;
}

/*
 * DOI and Keywords labels inside the left column.
 * OJS renders these as <strong> inside a .doi / .keywords
 * wrapper. They inherit 15px body size + bold, which makes
 * them look oversized. Normalise to match body text.
 */
.obj_article_details .main_entry .doi,
.obj_article_details .main_entry .keywords {
    font-size: 0.9rem !important;
    line-height: 1.6 !important;
    margin-bottom: 8px !important;
    color: var(--cl-text-secondary) !important;
}

.obj_article_details .main_entry .doi strong,
.obj_article_details .main_entry .keywords strong,
.obj_article_details .main_entry .doi .label,
.obj_article_details .main_entry .keywords .label {
    font-size: 0.75rem !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.07em !important;
    color: var(--cl-text-muted) !important;
    -webkit-text-fill-color: var(--cl-text-muted) !important;
    margin-right: 4px !important;
}

/* Right column — no extra box, blends into the card */
.obj_article_details .entry_details {
    float: right !important;
    width: 32% !important;
    box-sizing: border-box !important;
    overflow: visible !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
}

.obj_article_details .entry_details .section {
    padding-bottom: 16px !important;
    margin-bottom: 16px !important;
    border-bottom: 1px solid var(--cl-border-light) !important;
}

.obj_article_details .entry_details .section:last-child {
    border-bottom: none !important;
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

/*
 * Section label headings in the right column:
 * PUBLISHED, HOW TO CITE, ISSUE, SECTION, LICENSE.
 * These are h2 elements but must look like tiny caps
 * labels, not article headings.
 */
.obj_article_details .entry_details h2,
.obj_article_details .entry_details .label {
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: var(--cl-text-muted) !important;
    -webkit-text-fill-color: var(--cl-text-muted) !important;
    margin: 0 0 6px 0 !important;
    padding: 0 !important;
    border: none !important;
    background: none !important;
}

/*
 * The ISSUE value is an <a> tag that inherits from the
 * global h2 size via its parent. Force it back to normal
 * body size so it does not look out of place.
 */
.obj_article_details .entry_details .section a {
    font-size: 0.88rem !important;
    font-weight: 400 !important;
    line-height: 1.5 !important;
    letter-spacing: 0 !important;
    color: var(--cl-primary) !important;
    -webkit-text-fill-color: var(--cl-primary) !important;
}

/* Cover image in right column */
.obj_article_details .entry_details .cover img {
    display: block !important;
    width: 100% !important;
    border-radius: var(--cl-radius-sm) !important;
    box-shadow: var(--cl-shadow-md) !important;
    margin-bottom: 16px !important;
}

/* ---------- Article Cards ---------- */
.obj_article_summary {
    background: var(--cl-bg-elevated) !important;
    border: 1px solid var(--cl-border) !important;
    border-radius: var(--cl-radius-md) !important;
    box-shadow: var(--cl-shadow-sm) !important;
    padding: 24px !important;
    margin-bottom: 12px !important;
    overflow: hidden !important;
}

.obj_article_summary:hover {
    box-shadow: var(--cl-shadow-md) !important;
    border-color: #cbd5e1 !important;
    transform: translateY(-1px);
}

.obj_article_summary h3 a,
.obj_article_summary h4 a {
    color: var(--cl-text) !important;
    -webkit-text-fill-color: var(--cl-text) !important;
    background: none !important;
    font-weight: 600 !important;
    font-size: 1.05rem !important;
    line-height: 1.45;
}

/* ---------- Article Meta ---------- */
.obj_article_summary .meta,
.obj_article_summary .authors,
.obj_article_details .authors {
    color: var(--cl-text-secondary) !important;
    font-size: 0.88rem !important;
    margin-top: 6px;
}

/* ---------- Galley Links (PDF buttons) ---------- */
.obj_galley_link {
    background: var(--cl-primary) !important;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    border: none !important;
    padding: 8px 20px !important;
    border-radius: var(--cl-radius-sm) !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    box-shadow: 0 1px 3px rgba(29, 78, 216, 0.2) !important;
}

.obj_galley_link:hover {
    background: var(--cl-primary-light) !important;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3) !important;
}

/* ---------- Forms & Inputs ---------- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select {
    background: var(--cl-bg-elevated) !important;
    border: 1.5px solid var(--cl-border) !important;
    border-radius: var(--cl-radius-sm) !important;
    color: var(--cl-text) !important;
    padding: 10px 14px !important;
    font-family: var(--cl-font) !important;
    font-size: 0.9rem !important;
    box-shadow: var(--cl-shadow-sm) !important;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    outline: none !important;
}

input[type="text"]:focus-visible,
input[type="email"]:focus-visible,
input[type="password"]:focus-visible,
input[type="search"]:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: none !important;
    border-color: var(--cl-primary) !important;
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12) !important;
}

/* ---------- Breadcrumbs ---------- */
.pkp_breadcrumb,
.cmp_breadcrumbs {
    color: var(--cl-text-muted) !important;
    font-size: 0.82rem !important;
    margin-bottom: 16px !important;
}

/* ---------- Tables ---------- */
.pkp_structure_main table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
    width: 100%;
    border: 1px solid var(--cl-border) !important;
    border-radius: var(--cl-radius-md) !important;
    overflow: hidden;
    background: var(--cl-bg-elevated) !important;
}

/* ---------- Footer ---------- */
.pkp_structure_footer,
footer {
    background: var(--cl-bg-elevated) !important;
    border-top: 1px solid var(--cl-border) !important;
    color: var(--cl-text-muted) !important;
    padding: 32px 0 !important;
    text-align: center;
    font-size: 0.85rem !important;
}

/* ---------- Scrollbar (Chromium + Safari) ---------- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--cl-bg-subtle);
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ---------- Scrollbar (Firefox) ---------- */
html {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 var(--cl-bg-subtle);
}

/* ---------- Selection ---------- */
::selection {
    background: rgba(29, 78, 216, 0.15);
    color: var(--cl-text);
}

/* ---------- Print ---------- */
@media print {
    body {
        background: #ffffff !important;
        font-size: 12pt !important;
    }

    .pkp_structure_head,
    .pkp_structure_sidebar,
    .pkp_structure_footer,
    .pkp_navigation_primary,
    .pkp_navigation_user {
        display: none !important;
    }

    .pkp_structure_main {
        width: 100% !important;
        max-width: 100% !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        overflow: visible !important;
    }

    a {
        color: #000000 !important;
        text-decoration: underline !important;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .pkp_structure_content {
        flex-direction: column !important;
        padding: 20px 16px !important;
    }

    .pkp_structure_main {
        width: 100% !important;
        flex: 1 1 auto !important;
        padding: 24px !important;
        border-radius: var(--cl-radius-md) !important;
    }

    .pkp_structure_sidebar {
        width: 100% !important;
        flex: 1 1 auto !important;
        margin-top: 0 !important;
    }

    .pkp_structure_main h1 {
        font-size: 1.5rem !important;
    }

    .obj_article_details .main_entry {
        float: none !important;
        width: 100% !important;
        padding-right: 0 !important;
    }

    .obj_article_details .entry_details {
        float: none !important;
        width: 100% !important;
        margin-top: 24px !important;
    }
}