/* ==========================================================================
   OJS 3 MODERN CUSTOM CSS (INSPIRED BY PCIJOURNAL / IAMSPH)
   Sangat ringan, modern, berkonsep Card, dan Mobile Friendly / Responsive
   ========================================================================== */

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

/* --- GLOBAL STYLING & RESET --- */
:root {
    --primary-color: #0d6efd;       /* Warna Utama / Biru Accent */
    --primary-hover: #0b5ed7;
    --secondary-color: #0f172a;     /* Warna Teks Utama / Dark Navy */
    --accent-color: #10b981;        /* Hijau Accent / Status */
    --bg-light: #f8fafc;            /* Background Halaman */
    --card-bg: #ffffff;             /* Background Card */
    --border-color: #e2e8f0;        /* Warna Garis */
    --text-muted: #64748b;          /* Warna Teks Sekunder */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif !important;
    background-color: var(--bg-light) !important;
    color: var(--secondary-color) !important;
    line-height: 1.6;
}

/* Base Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif !important;
    color: var(--secondary-color) !important;
    font-weight: 600;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.2s ease-in-out;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

/* --- HEADER & NAVIGATION --- */
.pkp_structure_head {
    background: #ffffff !important;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.pkp_site_name .is_text {
    font-family: 'Poppins', sans-serif !important;
    font-weight: 700 !important;
    font-size: 1.35rem !important;
    color: var(--secondary-color) !important;
}

/* Top Navigation Bar */
.pkp_navigation_primary_wrapper {
    background: #ffffff !important;
}

.pkp_navigation_primary > li > a {
    font-weight: 500 !important;
    color: #334155 !important;
    padding: 12px 16px !important;
    border-radius: var(--radius-sm);
}

.pkp_navigation_primary > li > a:hover {
    background-color: #f1f5f9 !important;
    color: var(--primary-color) !important;
}

/* --- LAYOUT STRUCTURE & CARDS --- */
.pkp_structure_content {
    max-width: 1200px !important;
    margin: 25px auto !important;
    padding: 0 20px !important;
}

/* Main Content Wrapper & Sidebar Flex Layout */
@media (min-width: 992px) {
    .pkp_structure_content {
        display: flex;
        gap: 28px;
    }
    
    .pkp_structure_main {
        flex: 1 1 0%;
        min-width: 0;
    }
    
    .pkp_structure_sidebar {
        width: 320px !important;
        flex-shrink: 0;
    }
}

/* Card Style for Main Content & Announcements */
.pkp_structure_main {
    background: transparent !important;
}

.page_index_journal .pkp_structure_main > div,
.obj_article_details,
.page_announcement,
.page_issue,
.page_archive {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    padding: 28px !important;
    margin-bottom: 24px !important;
    box-shadow: var(--shadow-md) !important;
}

/* --- HERO SECTION / JOURNAL OVERVIEW --- */
.homepage_about,
.journal_overview,
.current_issue {
    background: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg) !important;
    padding: 28px !important;
    margin-bottom: 28px !important;
    box-shadow: var(--shadow-md) !important;
    position: relative;
    overflow: hidden;
}

.homepage_about::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--primary-color);
}

/* --- SIDEBAR CARDS & CUSTOM BLOCKS --- */
.pkp_structure_sidebar .pkp_block {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    padding: 20px !important;
    margin-bottom: 20px !important;
    box-shadow: var(--shadow-sm) !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pkp_structure_sidebar .pkp_block:hover {
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-2px);
}

.pkp_structure_sidebar .title {
    font-family: 'Poppins', sans-serif !important;
    font-size: 1.05rem !important;
    font-weight: 600 !important;
    color: var(--secondary-color) !important;
    border-bottom: 2px solid #f1f5f9 !important;
    padding-bottom: 10px !important;
    margin-bottom: 16px !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Custom Block Links styling inside Sidebar */
.pkp_structure_sidebar .pkp_block a {
    display: block;
    padding: 10px 14px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-weight: 500;
    color: #334155;
    text-align: center;
}

.pkp_structure_sidebar .pkp_block a:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

/* --- ARTICLE LISTINGS & CARDS --- */
.obj_article_summary {
    background: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    padding: 20px !important;
    margin-bottom: 16px !important;
    box-shadow: var(--shadow-sm) !important;
    transition: border-color 0.2s ease;
}

.obj_article_summary:hover {
    border-color: var(--primary-color) !important;
}

.obj_article_summary .title a {
    font-size: 1.15rem !important;
    font-weight: 600 !important;
    color: var(--secondary-color) !important;
    line-height: 1.4 !important;
}

.obj_article_summary .authors {
    font-size: 0.9rem !important;
    color: var(--text-muted) !important;
    margin-top: 6px !important;
}

.obj_article_summary .galleys {
    margin-top: 14px !important;
}

/* PDF/Fulltext Button Styling */
.obj_galley_link {
    background: var(--primary-color) !important;
    color: #ffffff !important;
    border-radius: var(--radius-sm) !important;
    padding: 6px 16px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    display: inline-block !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.obj_galley_link:hover {
    background: var(--primary-hover) !important;
    color: #ffffff !important;
}

/* --- FOOTER STYLING --- */
.pkp_structure_foot {
    background: #0f172a !important;
    color: #94a3b8 !important;
    padding: 40px 0 20px 0 !important;
    margin-top: 60px !important;
}

.pkp_structure_foot a {
    color: #38bdf8 !important;
}

.pkp_structure_foot a:hover {
    color: #ffffff !important;
}

/* --- RESPONSIVE / MOBILE FRIENDLY ADJUSTMENTS --- */
@media (max-width: 991px) {
    .pkp_structure_content {
        display: block !important;
        padding: 0 15px !important;
    }

    .pkp_structure_main, 
    .pkp_structure_sidebar {
        width: 100% !important;
    }

    .pkp_structure_sidebar {
        margin-top: 30px !important;
    }
    
    .obj_article_details,
    .homepage_about,
    .page_index_journal .pkp_structure_main > div {
        padding: 20px !important;
    }
}

@media (max-width: 576px) {
    .pkp_site_name .is_text {
        font-size: 1.1rem !important;
    }

    .obj_article_summary .title a {
        font-size: 1rem !important;
    }
}