@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --clr-primary:       #2E5BA8;
    --clr-primary-dark:  #1B3A6B;
    --clr-primary-light: #EEF3FB;
    --clr-hover:         #3D6FC2;
    --clr-accent:        #C8956C;
    --clr-accent-hover:  #B07A52;
    --clr-submenu-bg:    #D6E2F5;
    --clr-text:          #1A1A2E;
    --clr-text-muted:    #4A5568;
    --clr-white:         #ffffff;
    --clr-table-head:    #2E5BA8;
    --clr-table-row:     #EEF3FB;
    --clr-link:          #2E5BA8;
    --clr-link-hover:    #C8956C;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html, body {
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--clr-text);
    font-weight: 400;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--clr-primary-dark);
    line-height: 1.3;
    margin-top: 0.8em;
    margin-bottom: 0.5em;
}

h1 { font-size: clamp(1.4rem, 3vw, 2rem); }
h2 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h3 { font-size: clamp(1rem, 2vw, 1.3rem); }
h4 { font-size: clamp(0.95rem, 1.8vw, 1.1rem); }

p {
    margin: 0 0 1em 0;
    text-align: justify;
}

/* ==========================================
   Logo & Site Name
   ========================================== */
.pkp_site_name .is_img img {
    display: inline-block;
    max-height: 90px;
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .pkp_site_name .is_img img { max-height: 60px; }
}

@media (max-width: 480px) {
    .pkp_site_name .is_img img { max-height: 48px; }
}

/* ==========================================
   Page Structure
   ========================================== */
.pkp_structure_page {
    margin-top: 0;
    margin-bottom: 0;
}

/* ==========================================
   Header / Navigation Bar
   ========================================== */
.pkp_navigation_primary,
.pkp_site_nav_menu {
    width: 100%;
    background-color: var(--clr-white) !important;
    box-sizing: border-box;
    overflow: visible;
}

.pkp_site_nav_menu {
    box-shadow: 0 2px 0 var(--clr-primary);
}

.pkp_navigation_primary > li > a {
    color: var(--clr-primary) !important;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    text-transform: none !important;
    padding: 10px 14px;
    transition: color 0.2s ease, background 0.2s ease;
}

.pkp_navigation_primary > li > a:hover,
.pkp_navigation_primary > li > a:focus {
    background-color: var(--clr-primary) !important;
    color: var(--clr-white) !important;
}

.pkp_navigation_primary li ul {
    background-color: var(--clr-submenu-bg) !important;
    border: 1px solid var(--clr-primary);
    border-top: none;
    padding: 4px 0;
    margin: 0;
    min-width: 200px;
    box-shadow: 0 4px 12px rgba(46, 91, 168, 0.15);
}

.pkp_navigation_primary li ul li a {
    color: var(--clr-primary-dark) !important;
    font-size: 13px;
    padding: 8px 16px;
    transition: color 0.2s ease, background 0.2s ease;
}

.pkp_navigation_primary li ul li a:hover,
.pkp_navigation_primary li ul li a:focus {
    background-color: var(--clr-primary) !important;
    color: var(--clr-white) !important;
}

@media (max-width: 768px) {
    .pkp_navigation_primary > li > a {
        font-size: 13px;
        padding: 8px 10px;
    }
    .pkp_navigation_primary li ul {
        position: static !important;
        box-shadow: none;
        border: none;
        background-color: var(--clr-primary-light) !important;
    }
}

/* ==========================================
   Footer Styling
   ========================================== */
.pkp_structure_footer_wrapper {
    background-color: var(--clr-primary-dark);
    color: var(--clr-white);
    padding: 20px 16px;
    text-align: center;
    margin-top: 2rem;
}

.pkp_structure_footer_wrapper p {
    font-size: 13px;
    text-align: center;
    margin-bottom: 0.5em;
    color: rgba(255,255,255,0.85);
}

.pkp_structure_footer_wrapper a {
    color: #90b8f8;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

@media (max-width: 480px) {
    .pkp_structure_footer_wrapper {
        padding: 16px 12px;
        font-size: 12px;
    }
}

/* ==========================================
   Links
   ========================================== */
a {
    color: var(--clr-link);
    transition: color 0.2s ease;
}

a:hover {
    color: var(--clr-link-hover);
}

a:focus {
    color: var(--clr-primary-dark);
    outline: 2px solid var(--clr-primary);
    outline-offset: 2px;
}

.obj_article_details .abstract,
.obj_article_details .item > :last-child {
    text-align: justify;
    font-size: 14px;
    line-height: 1.8;
    color: var(--clr-text);
    margin-bottom: 1em;
}

.obj_article_summary > .title a,
.obj_article_details .orcid a,
.obj_article_details .doi a,
.obj_announcement_summary .read_more {
    color: var(--clr-link);
    transition: color 0.2s ease;
}

.obj_article_summary > .title a:hover,
.obj_article_details .orcid a:hover,
.obj_article_details .doi a:hover,
.obj_announcement_summary .read_more:hover {
    color: var(--clr-accent);
}

/* ==========================================
   General Tables (content area)
   ========================================== */
.table-box {
    border: 2px solid var(--clr-primary);
    padding: 6px;
    background-color: var(--clr-white);
    border-radius: 8px;
    margin-bottom: 16px;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.hover {
    width: 100%;
    min-width: 300px;
    border-collapse: separate;
    border-spacing: 4px;
    border-radius: 4px;
}

.hover th {
    height: 38px;
    background-color: var(--clr-table-head);
    color: var(--clr-white);
    border-radius: 5px;
    font-size: 13px;
    padding: 0 10px;
    text-align: left;
}

.hover td {
    height: 32px;
    padding: 4px 10px;
    vertical-align: middle;
    text-align: left;
    background-color: var(--clr-table-row);
    color: var(--clr-primary-dark);
    border-radius: 5px;
    border-bottom: 1px solid #c8d9f0;
    font-size: 13px;
}

.hover td a {
    display: block;
    width: 100%;
    color: var(--clr-primary-dark);
}

.hover td a:hover { color: var(--clr-primary); }

.hover tr:hover td {
    background-color: #c2d4ee;
    color: var(--clr-primary-dark);
}

@media (max-width: 600px) {
    .hover th, .hover td {
        font-size: 12px;
        padding: 4px 6px;
    }
}

/* ==========================================
   Page Layout — OJS 3.5 Flexbox (Desktop)
   ========================================== */
/* .pkp_structure_content {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    gap: 15px;
    padding: 0 0.5rem;
}

.pkp_structure_main {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    width: auto !important;
    float: none !important;
}

.pkp_sidebar {
    flex: 0 0 210px ;
    width: 210px ;
    min-width: 210px ;
    max-width: 210px ;
    float: none ;
}
*/
/* ==========================================
   Sidebar Table Styles
   ========================================== */
.pkp_sidebar .table-box {
    width: 100%;
    padding: 0;
    border: 1px solid #2E5BA8;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.pkp_sidebar .hover {
    width: 100%;
    min-width: unset;
    border-collapse: collapse;
    border-spacing: 0;
    table-layout: fixed;
}

.pkp_sidebar .hover th {
    height: auto;
    padding: 7px 10px;
    background-color: #2E5BA8;
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-align: left;
    border-radius: 0;
    border-bottom: 1px solid #1B3A6B;
}

.pkp_sidebar .hover td {
    height: auto;
    padding: 6px 10px;
    background-color: #EEF3FB;
    color: #1B3A6B;
    font-size: 12px;
    text-align: left;
    border-radius: 0;
    border-bottom: 1px solid #c8d9f0;
    white-space: normal;
    word-break: break-word;
}

.pkp_sidebar .hover td a {
    display: block;
    width: 100%;
    color: #2E5BA8;
    font-size: 12px;
    line-height: 1.4;
    word-break: break-word;
    white-space: normal;
}

.pkp_sidebar .hover td a:hover { color: #C8956C; }
.pkp_sidebar .hover tr:hover td { background-color: #d6e4f7; }
.pkp_sidebar .hover th .blink { color: #ffffff; font-size: 11px; }

/* ==========================================
   Article Page Layout — OJS 3.5
   ========================================== */
.obj_article_details {
    display: block !important;
}

.obj_article_details .row {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    gap: 24px;
    flex-wrap: nowrap !important;
}

.obj_article_details .main_entry {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    width: auto !important;
}

.obj_article_details .entry_details {
    flex: 0 0 200px !important;
    width: 200px !important;
    min-width: 200px !important;
    max-width: 200px !important;
}

/* ==========================================
   Mobile — All Layout Resets
   ========================================== */
@media (max-width: 768px) {
    .pkp_structure_content {
        flex-direction: column !important;
        padding: 0 0.5rem;
    }

    .pkp_structure_main {
        width: 100% !important;
        float: none !important;
    }

    .pkp_sidebar {
        flex: 0 0 100% !important;
        width: 100% !important;
        min-width: unset !important;
        max-width: 100% !important;
        float: none !important;
        margin-top: 16px;
    }

    .pkp_sidebar .hover { width: 100%; }

    .obj_article_details .row {
        flex-direction: column !important;
    }

    .obj_article_details .main_entry,
    .obj_article_details .entry_details {
        flex: 0 0 100% !important;
        width: 100% !important;
        min-width: unset !important;
        max-width: 100% !important;
    }
}

/* ==========================================
   Buttons
   ========================================== */
.pkp_button,
button,
input[type="submit"],
input[type="button"] {
    background-color: var(--clr-primary);
    color: var(--clr-white);
    border: none;
    border-radius: 5px;
    padding: 8px 18px;
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
}

.pkp_button:hover,
button:hover,
input[type="submit"]:hover {
    background-color: var(--clr-hover);
}

/* ==========================================
   Forms
   ========================================== */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    border: 1px solid #b0c4de;
    border-radius: 5px;
    padding: 7px 10px;
    width: 100%;
    color: var(--clr-text);
    background: var(--clr-white);
    transition: border-color 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(46, 91, 168, 0.15);
}

/* ==========================================
   Blinking Notification
   ========================================== */
.blink {
    animation: blinker 1s linear infinite;
    color: var(--clr-white);
    font-weight: 600;
}

@keyframes blinker {
    50% { opacity: 0; }
}

/* ==========================================
   Utility: Screen reader only
   ========================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .pkp_navigation_primary,
    .pkp_structure_footer_wrapper,
    .pkp_sidebar {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}