/* =========================
   GLOBAL STYLE
========================= */
body {
    font-family: 'Open Sans', sans-serif;
    background: #f8f9fa;
    color: #333;
}

/* =========================
   HEADER PREMIUM
========================= */
.pkp_head_wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 0 20px;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.pkp_site_name {
    text-align: center;
}

.pkp_site_name a {
    font-size: 28px;
    font-weight: 700;
    color: #0F3D3E;
    letter-spacing: 0.5px;
}

.pkp_site_name::after {
    content: "Biomolecular Research Journal";
    display: block;
    font-size: 13px;
    color: #777;
    margin-top: 5px;
}

/* NAVIGATION */
.pkp_navigation_primary_wrapper {
    width: 100%;
    text-align: center;
    border-top: 1px solid #eaeaea;
    border-bottom: 1px solid #eaeaea;
    padding: 12px 0;
    margin-top: 15px;
}

.pkp_navigation_primary > li {
    display: inline-block;
    float: none;
    margin: 0 14px;
}

.pkp_navigation_primary a {
    font-size: 13px;
    text-transform: uppercase;
    color: #333;
    letter-spacing: 0.8px;
}

.pkp_navigation_primary a:hover {
    color: #0F3D3E;
}

/* =========================
   MAIN CONTENT
========================= */
.pkp_structure_main {
    background: transparent;
    padding: 20px;
}

/* CARD STYLE */
.obj_issue_summary,
.pkp_block,
.page {
    background: #ffffff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

/* =========================
   SIDEBAR
========================= */
.pkp_structure_sidebar {
    padding: 20px 10px;
}

.pkp_block h2 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #0F3D3E;
}

/* SUBMIT BUTTON */
.block_make_submission a {
    display: block;
    background: #0F3D3E;
    color: #fff !important;
    text-align: center;
    padding: 10px;
    border-radius: 6px;
    font-weight: 600;
}

.block_make_submission a:hover {
    background: #145a5c;
}

/* =========================
   HOMEPAGE SECTION
========================= */
.homepage-section {
    margin-bottom: 25px;
}

.homepage-section h2 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #0F3D3E;
}

/* FOCUS GRID */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.focus-item {
    background: #f5f5f5;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
}

/* =========================
   FOOTER
========================= */
.pkp_structure_footer_wrapper {
    background: #0F3D3E;
    color: #fff;
    padding: 25px;
    text-align: center;
}

.pkp_structure_footer_wrapper a {
    color: #D4AF37;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
    .focus-grid {
        grid-template-columns: 1fr;
    }

    .pkp_site_name a {
        font-size: 22px;
    }
}