/* ==========================================
   OJS 3.3 - Custom Theme
   Clean, readable, and professional
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;700;900&display=swap');

:root {
    --blue: #0d4a6f;
    --blue-dark: #08324d;
    --blue-light: #e8f1f8;
    --text: #222;
    --text-soft: #444;
    --border: #ddd;
    --bg-soft: #f7f9fb;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text);
    background: #fff;
    margin: 0;
}

/* ========== HEADER ========== */
.pkp_structure_head {
    background: #fff;
    border-bottom: 3px solid var(--blue);
}

.pkp_site_name {
    text-align: center;
    padding: 22px 16px;
}

.pkp_site_name a {
    font-size: 28px;
    font-weight: 900;
    color: var(--blue);
    text-decoration: none;
}

/* ========== NAV ========== */
.pkp_navigation_primary {
    background: var(--blue);
}

.pkp_navigation_primary ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.pkp_navigation_primary li {
    position: relative;
}

.pkp_navigation_primary a {
    display: block;
    padding: 14px 22px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
}

.pkp_navigation_primary a:hover {
    background: var(--blue-dark);
}

/* ========== DROPDOWN ========== */
.pkp_navigation_primary li:hover > .dropdown-menu {
    display: block;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-top: 3px solid var(--blue);
    min-width: 240px;
    box-shadow: 0 6px 18px rgba(0,0,0,.12);
    padding: 6px 0;
    z-index: 999;
    list-style: none;
    margin: 0;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text);
    font-size: 16px;
    text-decoration: none;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: var(--blue-light);
    color: var(--blue);
}

/* ========== CARDS ========== */
.obj_article_summary,
.article-summary {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    margin: 0 0 20px;
}

.article-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.7;
    margin: 0 0 10px;
}

.article-title a {
    color: var(--blue);
    text-decoration: none;
}

.article-title a:hover {
    text-decoration: underline;
}

.authors,
.article-author {
    font-size: 16px;
    color: var(--text-soft);
    margin-bottom: 10px;
}

.authors a,
.article-author a {
    color: var(--blue);
    text-decoration: none;
}

.authors a:hover,
.article-author a:hover {
    text-decoration: underline;
}

/* ORCID */
.orcid-icon,
a[href*="orcid.org"] {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin: 0 4px;
    vertical-align: middle;
}

.orcid-icon img,
a[href*="orcid.org"] img {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: block;
}

/* ABSTRACT */
.article-abstract,
.abstract-text {
    font-size: 17px;
    line-height: 2;
    color: var(--text-soft);
    margin-top: 10px;
    text-align: justify;
}

/* ========== DETAIL PAGE ========== */
.obj_article_details,
.article-detail {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
    margin: 24px 0;
}

.obj_article_details .article-title,
.article-detail .article-title {
    font-size: 26px;
    font-weight: 900;
    color: var(--blue);
    margin-bottom: 14px;
    line-height: 1.6;
}

.obj_article_details .authors,
.article-detail .authors,
.obj_article_details .article-author,
.article-detail .article-author {
    font-size: 17px;
    line-height: 2;
    margin-bottom: 14px;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    border: 1px solid var(--blue);
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--blue);
    color: #fff;
}

.btn-primary:hover {
    background: var(--blue-dark);
}

.btn-outline {
    background: #fff;
    color: var(--blue);
}

.btn-outline:hover {
    background: var(--blue-light);
}

/* ========== SIDEBAR ========== */
.sidebar {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--blue);
}

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

.sidebar li {
    margin-bottom: 6px;
}

.sidebar a {
    display: block;
    padding: 10px 12px;
    color: var(--text-soft);
    font-size: 16px;
    text-decoration: none;
    border-radius: 4px;
}

.sidebar a:hover {
    background: var(--blue-light);
    color: var(--blue);
}

/* ========== FOOTER ========== */
.pkp_structure_footer {
    background: var(--blue);
    color: #e6eef4;
    margin-top: 48px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
    padding: 40px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.pkp_structure_footer h3,
.pkp_structure_footer h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 14px;
}

.pkp_structure_footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pkp_structure_footer li {
    margin-bottom: 6px;
}

.pkp_structure_footer a {
    color: #cfe0ec;
    font-size: 16px;
    text-decoration: none;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.2);
    padding: 16px;
    text-align: center;
    font-size: 15px;
}

/* ========== SCROLL TO TOP ========== */
.pkp_structure_footer::after {
    content: 'بازگشت به بالا ↑';
    display: block;
    text-align: center;
    padding: 14px;
    background: var(--blue-dark);
    color: #fff;
    cursor: pointer;
    font-size: 16px;
}

.pkp_structure_footer::after:hover {
    background: #062033;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .pkp_site_name a {
        font-size: 22px;
    }

    .pkp_navigation_primary ul {
        flex-direction: column;
    }

    .pkp_navigation_primary a {
        text-align: center;
        padding: 12px;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--border);
        min-width: 100%;
    }

    .obj_article_details,
    .article-detail {
        padding: 20px;
    }

    .obj_article_details .article-title,
    .article-detail .article-title {
        font-size: 21px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        padding: 28px 16px;
    }
}

/* ========== PRINT ========== */
@media print {
    .pkp_navigation_primary,
    .sidebar,
    .pkp_structure_footer::after {
        display: none !important;
    }

    .obj_article_details,
    .article-detail,
    .obj_article_summary,
    .article-summary {
        border: none;
        box-shadow: none;
        padding: 0;
    }
}