/* =========================================================
   IJRHST — OJS 3.5 Default Theme
   Full-width banner, compact header and user navigation
   ========================================================= */

/* 1. Main header */
.pkp_structure_head {
    position: relative !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    background-color: #07182D !important;
    box-sizing: border-box !important;
}

/* 2. Header wrapper */
.pkp_structure_head .pkp_head_wrapper {
    position: relative !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
}

/* 3. Logo wrapper */
.pkp_structure_head .pkp_site_name_wrapper {
    position: relative !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
}

/* 4. Full-width banner container */
.pkp_structure_head .pkp_site_name {
    display: block !important;
    width: 100vw !important;
    max-width: none !important;
    margin: 0 0 0 calc(50% - 50vw) !important;
    padding: 0 !important;
    text-align: center !important;
    line-height: 0 !important;
    box-sizing: border-box !important;
}

/* 5. Banner image — preserve original proportions */
.pkp_structure_head .pkp_site_name .is_img img {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    max-height: none !important;
    margin: 0 auto !important;
    padding: 0 !important;
    object-fit: contain !important;
}

/* 6. Register/Login positioning */
.pkp_structure_head .pkp_navigation_user_wrapper {
    position: absolute !important;
    top: 17px !important;
    right: calc(3% + 20px) !important;
    left: auto !important;
    bottom: auto !important;
    z-index: 9999 !important;
    display: block !important;
    width: auto !important;
    max-width: none !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    background: transparent !important;
    transform: none !important;
    box-sizing: border-box !important;
}

/* 7. Register/Login horizontal layout */
.pkp_structure_head .pkp_navigation_user {
    display: flex !important;
    flex-direction: row !important;
    justify-content: flex-end !important;
    align-items: center !important;
    gap: 22px !important;
    width: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    float: none !important;
    list-style: none !important;
}

/* 8. Register/Login link styling */
.pkp_structure_head .pkp_navigation_user > li {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
}

.pkp_structure_head .pkp_navigation_user > li > a {
    display: inline-block !important;
    color: #FFFFFF !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    white-space: nowrap !important;
    text-shadow: 0 1px 3px #07182D !important;
}

.pkp_structure_head .pkp_navigation_user > li > a:hover {
    color: #E4BE68 !important;
}

/* 9. Main navigation bar */
.pkp_navigation_primary_wrapper {
    position: relative !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 20px !important;
    background-color: #101D32 !important;
    box-sizing: border-box !important;
}

/* 10. Main navigation links */
.pkp_navigation_primary > li > a {
    color: #FFFFFF !important;
}

.pkp_navigation_primary > li > a:hover {
    color: #E4BE68 !important;
}

/* 11. Prevent horizontal overflow */
html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

/* 12. Tablet and mobile layout */
@media (max-width: 768px) {
    .pkp_structure_head .pkp_navigation_user_wrapper {
        top: 8px !important;
        right: 12px !important;
    }

    .pkp_structure_head .pkp_navigation_user {
        gap: 12px !important;
    }

    .pkp_structure_head .pkp_navigation_user > li > a {
        font-size: 12px !important;
    }

    .pkp_navigation_primary_wrapper {
        padding: 0 10px !important;
    }
}