/*
 * New Idea Research theme v1.1 — Springer-style academic layer over the OJS default theme.
 * Plain CSS, self-hosted fonts (SIL OFL, see fonts/). One accent: --ni-accent (dark navy by default).
 */
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/inter-var.woff2") format("woff2")}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url("../fonts/source-serif-4-var.woff2") format("woff2")}
@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:200 900;font-display:swap;src:url("../fonts/source-serif-4-var-italic.woff2") format("woff2")}

:root{
  --ni-accent:#0c2b4b;
  --ni-ink:#222;--ni-body:#333;--ni-muted:#666;--ni-faint:#8a8a8a;
  --ni-line:#dadada;--ni-line-soft:#ececec;--ni-bg-soft:#f5f6f7;--ni-bg-soft-2:#eef1f4;
  --ni-link:var(--ni-accent);
  --ni-footer:#1b2430;
  --ni-serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --ni-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --ni-wrap:1200px;
}

/* ---------- Base ---------- */
body.nir_theme{background:#fff;color:var(--ni-body);font-family:var(--ni-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.nir_theme .pkp_structure_page{background:#fff;box-shadow:none;max-width:none;margin:0}
.nir_theme h1,.nir_theme h2,.nir_theme h3,.nir_theme h4,.nir_theme h5,.nir_theme h6{font-family:var(--ni-serif);color:var(--ni-ink);font-weight:600;letter-spacing:0}
.nir_theme a{color:var(--ni-link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.15em}
.nir_theme a:hover,.nir_theme a:focus{color:var(--ni-link);text-decoration-thickness:2px}
.nir_theme :focus-visible{outline:3px solid #0088cc;outline-offset:2px}
.nir_wrap{max-width:var(--ni-wrap);margin:0 auto;padding-left:24px;padding-right:24px;box-sizing:border-box}

/* ---------- Header: thin publisher bar ---------- */
.nir_theme .pkp_structure_head{background:#fff;border:0;box-shadow:none;position:relative}
.nir_topbar{background:#fff;border-bottom:1px solid var(--ni-line)}
.nir_topbar_inner{display:flex;align-items:center;justify-content:space-between;min-height:44px;gap:16px}
.nir_theme a.nir_publisher{font-family:var(--ni-sans);font-weight:700;font-size:15px;color:var(--ni-ink);text-decoration:none;letter-spacing:.01em}
.nir_theme a.nir_publisher:hover{text-decoration:underline}
.nir_theme .nir_topbar .pkp_navigation_user_wrapper{position:static;display:block;padding:0;margin:0;top:auto;right:auto;width:auto;background:none}
.nir_theme .nir_topbar .pkp_navigation_user{display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;padding:0;list-style:none;font-size:14px}
.nir_theme .nir_topbar .pkp_navigation_user>li{display:block;margin:0}
.nir_theme .nir_topbar .pkp_navigation_user>li>a{color:var(--ni-ink);text-decoration:none;padding:4px 0;display:inline-block;font-weight:500}
.nir_theme .nir_topbar .pkp_navigation_user>li>a:hover{text-decoration:underline;color:var(--ni-accent)}
.nir_theme .nir_topbar .pkp_navigation_user .task_count{background:var(--ni-accent);color:#fff;border-radius:9px;padding:0 6px;font-size:11px}
.nir_theme .nir_topbar .pkp_navigation_user ul{background:#fff;border:1px solid var(--ni-line);box-shadow:0 4px 12px rgba(0,0,0,.08);border-radius:2px}
.nir_theme .nir_topbar .pkp_navigation_user ul a{color:var(--ni-ink);text-decoration:none;border:0}
.nir_theme .nir_topbar .pkp_navigation_user ul a:hover{background:var(--ni-bg-soft)}

/* ---------- Masthead ---------- */
.nir_theme .pkp_head_wrapper.nir_masthead{background:var(--ni-bg-soft);border-bottom:1px solid var(--ni-line);max-width:none;padding:0;position:static;width:auto}
.nir_theme .nir_masthead .pkp_site_name_wrapper{position:relative;padding-top:28px;padding-bottom:24px;height:auto;width:auto;text-align:left}
.nir_theme .nir_masthead .pkp_site_name{margin:0;padding:0;width:auto;font-size:inherit;line-height:1.15}
.nir_theme .nir_masthead .pkp_site_name a.nir_journal_title{font-family:var(--ni-serif);font-weight:600;font-size:40px;line-height:1.15;color:var(--ni-ink);text-decoration:none;padding:0;display:inline-block}
.nir_theme .nir_masthead .pkp_site_name a.nir_journal_title:hover{color:var(--ni-accent)}
.nir_theme .nir_masthead .pkp_site_name .is_img img{max-height:90px;width:auto;height:auto;display:block}
.nir_masthead_meta{margin:8px 0 0;font-size:14px;color:var(--ni-muted);display:flex;flex-wrap:wrap;gap:4px 18px}
.nir_masthead_tagline{color:var(--ni-ink)}

/* ---------- Journal navigation ---------- */
.nir_theme .pkp_site_nav_menu.nir_journal_nav{background:#fff;border-bottom:1px solid var(--ni-line);padding:0;position:static;width:auto}
.nir_theme .nir_journal_nav .pkp_navigation_primary_row{background:none;padding-top:0;padding-bottom:0;text-align:left;border:0}
.nir_theme .nir_journal_nav .pkp_navigation_primary_wrapper{display:flex;align-items:stretch;flex-wrap:wrap;gap:0 4px;max-width:none;padding:0;margin:0}
.nir_theme .nir_journal_nav .pkp_navigation_primary{display:flex;flex-wrap:wrap;margin:0;padding:0;text-align:left;list-style:none}
.nir_theme .nir_journal_nav .pkp_navigation_primary>li{display:block;margin:0;position:relative}
.nir_theme .nir_journal_nav a.nir_nav_home,
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a{display:block;padding:14px 14px 12px;margin:0;font-size:15px;font-weight:500;color:var(--ni-ink);text-decoration:none;border-bottom:3px solid transparent;border-top:0;line-height:1.4}
.nir_theme .nir_journal_nav a.nir_nav_home{padding-left:0;margin-right:10px}
.nir_theme .nir_journal_nav a.nir_nav_home:hover,.nir_theme .nir_journal_nav a.nir_nav_home.is_current,
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a:hover,.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a:focus{color:var(--ni-accent);border-bottom-color:var(--ni-accent);background:none}
.nir_theme .nir_journal_nav .pkp_navigation_primary ul{background:#fff;border:1px solid var(--ni-line);border-radius:2px;box-shadow:0 4px 12px rgba(0,0,0,.08);padding:6px 0}
.nir_theme .nir_journal_nav .pkp_navigation_primary ul a{color:var(--ni-ink);text-decoration:none;padding:8px 16px;border:0;font-size:14px}
.nir_theme .nir_journal_nav .pkp_navigation_primary ul a:hover{background:var(--ni-bg-soft);color:var(--ni-accent)}
.nir_theme .nir_journal_nav a.nir_nav_submit{align-self:center;margin-left:auto;background:var(--ni-accent);color:#fff;text-decoration:none;font-weight:600;font-size:14px;padding:7px 18px;border-radius:2px}
.nir_theme .nir_journal_nav a.nir_nav_submit:hover{color:#fff;filter:brightness(1.2)}
.nir_theme .nir_journal_nav .pkp_navigation_search_wrapper{float:none;align-self:center;margin:0 0 0 14px;padding:0}
.nir_theme .nir_journal_nav .pkp_search{color:var(--ni-ink);text-decoration:none;font-size:14px;font-weight:500;padding:6px 0;border:0}
.nir_theme .nir_journal_nav .pkp_search:hover{color:var(--ni-accent);text-decoration:underline}
.nir_in_site .nir_journal_nav .pkp_navigation_primary_wrapper:empty{display:none}

/* mobile toggle (hidden on desktop) */
.nir_theme .pkp_site_nav_toggle{display:none}

/* ---------- Content frame ---------- */
.nir_theme .pkp_structure_content{max-width:var(--ni-wrap);margin:0 auto;padding:32px 24px 56px;box-sizing:border-box;background:#fff}
.nir_theme .pkp_structure_main{font-size:16px}
.nir_theme .pkp_structure_main:before,.nir_theme .pkp_structure_main:after{display:none}
.nir_theme .pkp_structure_main h1,.nir_theme .page_title{font-family:var(--ni-serif);font-size:32px;line-height:1.25;font-weight:600;color:var(--ni-ink);margin:0 0 16px}
.nir_theme .pkp_structure_main h2{font-size:24px;line-height:1.3}
.nir_theme .pkp_structure_main h3{font-size:19px;line-height:1.35}
.nir_theme .cmp_breadcrumbs{font-size:13px;color:var(--ni-muted);margin:0 0 18px}
.nir_theme .cmp_breadcrumbs ol{margin:0;padding:0}
.nir_theme .cmp_breadcrumbs a{color:var(--ni-muted);text-decoration:none}
.nir_theme .cmp_breadcrumbs a:hover{color:var(--ni-accent);text-decoration:underline}
.nir_theme .cmp_breadcrumbs .current{color:var(--ni-ink)}
.nir_theme .cmp_breadcrumbs .separator{color:#aaa;padding:0 6px}

/* Sidebar blocks */
.nir_theme .pkp_structure_sidebar{font-size:14px}
.nir_theme .pkp_block{padding:0 0 22px;margin:0 0 22px;border-bottom:1px solid var(--ni-line-soft)}
.nir_theme .pkp_block .title{font-family:var(--ni-sans);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ni-ink);margin-bottom:10px}

/* Buttons, forms (keep stock behaviour, refine look) */
.nir_theme .cmp_button,.nir_theme .cmp_form .buttons button,.nir_theme button.submit,.nir_theme .pkp_button_primary,.nir_theme .cmp_form button[type="submit"]{background:var(--ni-accent);border:1px solid var(--ni-accent);color:#fff;border-radius:2px;box-shadow:none;font-family:var(--ni-sans);font-weight:600;padding:8px 18px;text-shadow:none;height:auto;line-height:1.4}
.nir_theme .cmp_button:hover,.nir_theme .cmp_form .buttons button:hover,.nir_theme .cmp_form button[type="submit"]:hover{filter:brightness(1.2);color:#fff}
.nir_theme .cmp_form input[type="text"],.nir_theme .cmp_form input[type="email"],.nir_theme .cmp_form input[type="password"],.nir_theme .cmp_form input[type="url"],.nir_theme .cmp_form input[type="tel"],.nir_theme .cmp_form select,.nir_theme .cmp_form textarea,.nir_theme .search_input input{border:1px solid #b9b9b9;border-radius:2px;box-shadow:none;padding:8px 10px;font-size:15px}
.nir_theme .cmp_form input:focus,.nir_theme .cmp_form select:focus,.nir_theme .cmp_form textarea:focus{border-color:var(--ni-accent);outline:2px solid rgba(12,43,75,.25)}
.nir_theme .cmp_form legend,.nir_theme .cmp_form label .label{font-family:var(--ni-sans);font-weight:600;color:var(--ni-ink)}
.nir_theme .cmp_notification{background:var(--ni-bg-soft);border-left:4px solid var(--ni-accent);border-radius:0;padding:12px 16px;font-size:15px}
.nir_theme a.read_more,.nir_link_arrow{font-weight:600;text-decoration:none}
.nir_theme a.read_more:after,.nir_link_arrow:after{content:" \203A"}
.nir_theme a.read_more:hover,.nir_link_arrow:hover{text-decoration:underline}
.nir_btn{display:inline-block;border-radius:2px;padding:9px 20px;font-weight:600;font-size:15px;text-decoration:none!important}
.nir_btn_primary{background:var(--ni-accent);color:#fff!important}
.nir_btn_primary:hover{filter:brightness(1.2)}

/* Section headings (Springer: serif, light rule) */
.nir_section_title,
.nir_theme .page_index_journal>section>h2,.nir_theme .page_index_site .journals>h2,
.nir_theme .cmp_announcements>h2,.nir_theme .obj_issue_toc .section>h2,.nir_theme .obj_issue_toc .galleys>h2,.nir_theme .obj_issue_toc .heading .published,
.nir_theme .page_index_journal .cmp_announcements h2{font-family:var(--ni-serif);font-size:24px;font-weight:600;color:var(--ni-ink);border:0;border-bottom:1px solid var(--ni-line);padding:0 0 8px;margin:0 0 18px;background:none;text-transform:none;letter-spacing:0}
.nir_theme .obj_issue_toc .section>h2{font-size:20px;margin-top:28px}
.nir_theme .obj_issue_toc .section:before,.nir_theme .obj_issue_toc .galleys:before,.nir_theme .page_index_journal .current_issue:before{display:none}
.nir_theme .obj_issue_toc .section{padding:0;margin:0}
.nir_theme .page_index_journal>section,.nir_theme .page_index_journal .cmp_announcements{margin:0 0 40px;padding:0;border:0}

/* ---------- Journal home ---------- */
.nir_overview{border:0;margin:0 0 40px}
.nir_overview_lead{font-size:17px;line-height:1.65;color:var(--ni-body);max-width:780px;margin:0 0 18px}
.nir_overview_facts{display:flex;flex-wrap:wrap;gap:12px 40px;margin:0 0 20px;padding:16px 0;border-top:1px solid var(--ni-line-soft);border-bottom:1px solid var(--ni-line-soft)}
.nir_overview_facts div{margin:0}
.nir_overview_facts dt{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ni-muted);font-weight:600;margin:0}
.nir_overview_facts dd{margin:2px 0 0;font-size:15px;color:var(--ni-ink)}
.nir_overview_actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;margin:0}
.nir_theme .page_index_journal .current_issue_title{font-size:14px;color:var(--ni-muted);font-weight:500;margin:-8px 0 8px;font-family:var(--ni-sans)}
.nir_theme .page_index_journal .homepage_image img{border-radius:0}
.nir_empty{color:var(--ni-muted);font-style:italic}

/* ---------- Article lists ---------- */
.nir_theme .cmp_article_list{margin:0;padding:0}
.nir_theme .cmp_article_list>li{margin:0;padding:18px 0;border-bottom:1px solid var(--ni-line-soft)}
.nir_theme .cmp_article_list>li:first-child{padding-top:4px}
.nir_theme .obj_article_summary{padding:0;margin:0;background:none;border:0;box-shadow:none}
.nir_theme .obj_article_summary>.title,.nir_theme .obj_article_summary .title{font-family:var(--ni-serif);font-size:20px;line-height:1.35;font-weight:600;margin:0 0 6px}
.nir_theme .obj_article_summary .title a{color:var(--ni-accent);text-decoration:none}
.nir_theme .obj_article_summary .title a:hover{text-decoration:underline}
.nir_theme .obj_article_summary .subtitle{display:block;font-size:16px;font-weight:400;color:var(--ni-body);margin-top:2px}
.nir_theme .obj_article_summary .meta{display:flex;flex-wrap:wrap;gap:2px 14px;font-size:14px;color:var(--ni-muted);margin:0 0 6px;padding:0}
.nir_theme .obj_article_summary .meta .authors{flex-basis:100%;color:var(--ni-body);font-size:15px;padding:0;margin:0}
.nir_theme .obj_article_summary .meta .pages,.nir_theme .obj_article_summary .meta .published{padding:0;margin:0}
.nir_theme .obj_article_summary .meta .pages:before{content:"pp. "}
.nir_theme .obj_article_summary .cover{float:right;width:100px;margin:0 0 8px 16px}
.nir_theme .obj_article_summary .galleys_links{margin:6px 0 0;padding:0}
.nir_theme .obj_article_summary .galleys_links li{display:inline-block;margin:0 10px 0 0}
.nir_theme .obj_article_summary .obj_galley_link,.nir_theme .obj_issue_toc .galleys_links .obj_galley_link{border:0;background:none;padding:0;font-size:14px;font-weight:600;color:var(--ni-accent);text-decoration:none;border-radius:0}
.nir_theme .obj_article_summary .obj_galley_link:before{content:"";display:inline-block;width:11px;height:13px;margin-right:5px;vertical-align:-1px;background:currentColor;-webkit-mask:linear-gradient(#000 0 0) top/100% 2px no-repeat,linear-gradient(#000 0 0) bottom/100% 2px no-repeat,linear-gradient(#000 0 0) left/2px 100% no-repeat,linear-gradient(#000 0 0) right/2px 100% no-repeat;mask:linear-gradient(#000 0 0) top/100% 2px no-repeat,linear-gradient(#000 0 0) bottom/100% 2px no-repeat,linear-gradient(#000 0 0) left/2px 100% no-repeat,linear-gradient(#000 0 0) right/2px 100% no-repeat}
.nir_theme .obj_article_summary .obj_galley_link:hover{text-decoration:underline;background:none;color:var(--ni-accent)}
.nir_theme .obj_galley_link.restricted{color:var(--ni-muted)}

/* Issue TOC / archive */
.nir_theme .obj_issue_toc .heading{display:flex;gap:24px;align-items:flex-start;margin-bottom:24px}
.nir_theme .obj_issue_toc .heading .cover{float:none;width:140px;flex:0 0 140px;margin:0}
.nir_theme .obj_issue_toc .heading .cover img{border:1px solid var(--ni-line)}
.nir_theme .obj_issue_toc .description{font-size:15px}
.nir_theme .obj_issue_toc .heading .published{font-family:var(--ni-sans);font-size:14px;border:0;padding:0;margin:8px 0 0;color:var(--ni-muted)}
.nir_theme .obj_issue_toc .heading .published .label{font-weight:600;color:var(--ni-ink)}
.nir_theme .page_issue_archive .issues_archive{margin:0;padding:0;list-style:none}
.nir_theme .page_issue_archive .issues_archive>li{padding:18px 0;margin:0;border-bottom:1px solid var(--ni-line-soft)}
.nir_theme .obj_issue_summary h2{font-family:var(--ni-serif);font-size:20px;margin:0 0 4px}
.nir_theme .obj_issue_summary h2 a{text-decoration:none}
.nir_theme .obj_issue_summary h2 a:hover{text-decoration:underline}
.nir_theme .obj_issue_summary .series{color:var(--ni-muted);font-size:14px;font-family:var(--ni-sans);font-weight:500}
.nir_theme .obj_issue_summary .cover{width:90px;margin-right:16px}

/* Announcements */
.nir_theme .obj_announcement_summary{padding:16px 0;margin:0;border-bottom:1px solid var(--ni-line-soft)}
.nir_theme .obj_announcement_summary h2,.nir_theme .obj_announcement_summary h3,.nir_theme .obj_announcement_summary h4{font-family:var(--ni-serif);font-size:19px;margin:0 0 4px}
.nir_theme .obj_announcement_summary h2 a,.nir_theme .obj_announcement_summary h3 a,.nir_theme .obj_announcement_summary h4 a{text-decoration:none}
.nir_theme .obj_announcement_summary .date,.nir_theme .obj_announcement_full .date{font-size:13px;color:var(--ni-muted);font-family:var(--ni-sans)}
.nir_theme .cmp_announcements{border:0;background:none}
.nir_theme .cmp_announcements>.obj_announcement_summary{border:0;border-bottom:1px solid var(--ni-line-soft);padding:16px 0;margin:0;width:auto;float:none}
.nir_theme .cmp_announcements .more{border:0;padding:0;margin-top:12px}

/* ---------- Site index ---------- */
.nir_site_intro{border-bottom:1px solid var(--ni-line);padding:8px 0 24px;margin:0 0 32px}
.nir_theme .nir_site_intro_title{font-family:var(--ni-serif);font-size:36px;font-weight:600;margin:0 0 10px}
.nir_site_intro_lead{font-size:18px;color:var(--ni-body);max-width:760px;margin:0 0 8px}
.nir_site_intro_count{font-size:14px;color:var(--ni-muted);margin:0}
.nir_theme .page_index_site .journals>ul{margin:0;padding:0;list-style:none}
.nir_theme .page_index_site .journals>ul>li{padding:24px 0;margin:0;border-bottom:1px solid var(--ni-line-soft);display:flex;gap:24px;background:none;box-shadow:none}
.nir_theme .page_index_site .journals .thumb{flex:0 0 120px;max-width:120px;float:none;padding:0;margin:0}
.nir_theme .page_index_site .journals .thumb img{border:1px solid var(--ni-line)}
.nir_theme .page_index_site .journals .body{float:none;width:auto;padding:0;flex:1}
.nir_theme .page_index_site .journals h3{font-family:var(--ni-serif);font-size:24px;margin:0 0 8px}
.nir_theme .page_index_site .journals h3 a{color:var(--ni-accent);text-decoration:none}
.nir_theme .page_index_site .journals h3 a:hover{text-decoration:underline}
.nir_theme .page_index_site .journals .description{font-size:15px;color:var(--ni-body);margin:0 0 10px;max-width:820px}
.nir_theme .page_index_site .journals .links{margin:0;padding:0;list-style:none;display:flex;gap:20px;font-size:14px;font-weight:600}
.nir_theme .page_index_site .journals .links li{margin:0;padding:0;display:block}
.nir_theme .page_index_site .journals .links a{text-decoration:none}
.nir_theme .page_index_site .journals .links a:after{content:" \203A"}
.nir_theme .page_index_site .about_site{font-size:16px;margin-bottom:32px}

/* ---------- Article page ---------- */
.nir_theme .page_article .cmp_breadcrumbs{margin-bottom:22px}
.nir_article_type{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:14px;color:var(--ni-muted);margin:0 0 10px}
.nir_type_label{color:var(--ni-ink);font-weight:600}
.nir_open_access{color:var(--ni-ink);font-weight:600;padding-left:14px;border-left:1px solid var(--ni-line)}
.nir_open_access:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:#2e7d32;margin-right:6px;vertical-align:1px}
.nir_type_date{padding-left:14px;border-left:1px solid var(--ni-line)}
.nir_theme .obj_article_details .page_title{font-size:36px;line-height:1.2;margin:0 0 14px;max-width:900px}
.nir_theme .obj_article_details .subtitle{font-family:var(--ni-serif);font-weight:400;font-size:21px;color:var(--ni-body);margin:-6px 0 16px}
.nir_theme .obj_article_details .row{display:flex;gap:48px;margin:0;border:0}
.nir_theme .obj_article_details .main_entry{flex:1 1 auto;min-width:0;width:auto;float:none;border:0;padding:0;margin:0}
.nir_theme .obj_article_details .entry_details{flex:0 0 300px;width:300px;float:none;border:0;padding:0;margin:0}
.nir_theme .obj_article_details .item{padding:0;margin:0 0 28px;border:0}
.nir_theme .obj_article_details .main_entry .item{padding:0}
.nir_theme .obj_article_details .main_entry .item.authors{margin-bottom:8px}
.nir_theme .obj_article_details .authors ul.authors,.nir_theme .obj_article_details ul.authors{margin:0;padding:0;list-style:none}
.nir_theme .obj_article_details .item.authors ul.authors>li{display:inline;margin:0}
.nir_theme .obj_article_details .item.authors ul.authors>li:after{content:", ";color:var(--ni-muted)}
.nir_theme .obj_article_details .item.authors ul.authors>li:last-child:after{content:""}
.nir_theme .obj_article_details .item.authors .name{font-weight:600;color:var(--ni-ink);font-size:16px}
.nir_theme .obj_article_details .item.authors .affiliation,.nir_theme .obj_article_details .item.authors .userGroup,.nir_theme .obj_article_details .item.authors .orcid{font-size:14px;color:var(--ni-muted);margin-left:4px;display:inline}
.nir_theme .obj_article_details .item.authors .affiliation:before{content:"("}
.nir_theme .obj_article_details .item.authors .affiliation:after{content:")"}
.nir_article_meta{display:flex;flex-wrap:wrap;gap:4px 0;font-size:14px;color:var(--ni-muted);margin:0 0 28px;padding:0 0 18px;border-bottom:1px solid var(--ni-line)}
.nir_article_meta span+span:before{content:"";display:inline-block;width:1px;height:12px;background:var(--ni-line);margin:0 12px;vertical-align:-1px}
.nir_meta_journal{font-style:italic;color:var(--ni-ink)}
.nir_theme .obj_article_details .main_entry .item>h2.label,.nir_theme .obj_article_details .main_entry .item>.label{font-family:var(--ni-serif);font-size:22px;font-weight:600;color:var(--ni-ink);margin:0 0 10px;padding:0;text-transform:none;letter-spacing:0}
.nir_theme .obj_article_details .main_entry .item.doi,.nir_theme .obj_article_details .main_entry .item.keywords{font-size:15px;margin-bottom:12px}
.nir_theme .obj_article_details .main_entry .item.doi .label,.nir_theme .obj_article_details .main_entry .item.keywords .label{display:inline;font-family:var(--ni-sans);font-size:15px;font-weight:600}
.nir_theme .obj_article_details .main_entry .item.abstract{margin-top:28px;font-size:17px;line-height:1.7}
.nir_theme .obj_article_details .references .value p{font-size:15px;margin:0 0 10px;padding-left:28px;text-indent:-28px}
/* sidebar */
.nir_theme .obj_article_details .entry_details .item{border:0;padding:0 0 20px;margin:0 0 20px;border-bottom:1px solid var(--ni-line-soft)}
.nir_theme .obj_article_details .entry_details .item .label,.nir_theme .obj_article_details .entry_details .sub_item .label{font-family:var(--ni-sans);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ni-ink);margin:0 0 6px}
.nir_theme .obj_article_details .entry_details .sub_item{margin:0 0 14px;padding:0;border:0}
.nir_theme .obj_article_details .entry_details{font-size:15px}
.nir_sidebar_heading{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ni-ink);margin:0 0 10px}
.nir_theme .obj_article_details .nir_download{background:var(--ni-bg-soft);padding:18px!important;border:1px solid var(--ni-line-soft)!important}
.nir_theme .obj_article_details .galleys_links{margin:0;padding:0;list-style:none}
.nir_theme .obj_article_details .galleys_links li{display:block;margin:0 0 8px}
.nir_theme .obj_article_details .nir_download .obj_galley_link{display:block;text-align:center;background:var(--ni-accent);color:#fff;border:1px solid var(--ni-accent);border-radius:2px;padding:10px 16px;font-weight:600;font-size:15px;text-decoration:none}
.nir_theme .obj_article_details .nir_download .obj_galley_link:before{content:"\2193  Download ";font-weight:600}
.nir_theme .obj_article_details .nir_download .obj_galley_link:hover{filter:brightness(1.2);color:#fff}
.nir_theme .obj_article_details .supplementary_galleys_links .obj_galley_link{border:0;padding:0;background:none;color:var(--ni-accent)}
.nir_cite_text{font-size:14px;line-height:1.55;color:var(--ni-body);background:#fff;margin:0}
.nir_theme .obj_article_details .entry_details .item.citation .csl-bib-body{font-size:14px}
.nir_theme .obj_article_details .entry_details .cover_image img{border:1px solid var(--ni-line)}

/* Galley (PDF viewer) header */
.nir_theme.pkp_page_article.pkp_op_view .header_view,.header_view{background:#fff!important;border-bottom:1px solid var(--ni-line)}
.header_view .return{background:var(--ni-accent)!important;color:#fff!important}
.header_view .title{color:var(--ni-ink)!important;font-family:var(--ni-serif)}
.header_view .download{background:var(--ni-bg-soft)!important;color:var(--ni-accent)!important}

/* About / static pages */
.nir_theme .page_about,.nir_theme .page_submissions,.nir_theme .page_contact,.nir_theme .page_editorial_team,.nir_theme .page_privacy{max-width:860px}
.nir_theme .page_submissions .author_guidelines,.nir_theme .page_submissions .submission_checklist{border:0;padding:0}
.nir_theme .page_search .search_results{margin:0;padding:0}
.nir_theme .page_search .cmp_form{background:var(--ni-bg-soft);padding:20px;border:1px solid var(--ni-line-soft)}

/* ---------- Footer (dark, multi-column) ---------- */
.nir_theme .pkp_structure_footer_wrapper.nir_footer{background:var(--ni-footer);color:#c9d1db;border:0;margin:0}
.nir_theme .nir_footer .pkp_structure_footer{max-width:var(--ni-wrap);padding-top:48px;padding-bottom:28px;display:block}
.nir_footer_grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px 40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.14)}
.nir_in_site .nir_footer_grid{grid-template-columns:2fr 1fr}
.nir_footer_name{font-family:var(--ni-serif);font-size:22px;font-weight:600;color:#fff;margin:0 0 10px;line-height:1.3}
.nir_footer_issn,.nir_footer_publisher{font-size:14px;margin:0 0 4px;display:flex;flex-wrap:wrap;gap:2px 16px}
.nir_footer_heading{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#fff;margin:0 0 12px}
.nir_footer_links ul{list-style:none;margin:0;padding:0}
.nir_footer_links li{margin:0 0 8px}
.nir_theme .nir_footer a{color:#c9d1db;text-decoration:none}
.nir_theme .nir_footer a:hover,.nir_theme .nir_footer a:focus{color:#fff;text-decoration:underline}
.nir_theme .nir_footer .pkp_footer_content{padding:24px 0;margin:0;font-size:14px;color:#c9d1db;border-bottom:1px solid rgba(255,255,255,.14)}
.nir_theme .nir_footer .pkp_footer_content a{text-decoration:underline}
.nir_footer_bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:20px;font-size:13px}
.nir_footer_copy{margin:0;color:#9aa6b4}
.nir_theme .nir_footer .pkp_brand_footer{padding:0;margin:0;float:none;width:auto}
.nir_theme .nir_footer .pkp_brand_footer img{width:110px;height:auto;filter:brightness(0) invert(1);opacity:.75;display:block}

/* ---------- Desktop ---------- */
@media (min-width:992px){
  .nir_theme .pkp_site_nav_menu.nir_journal_nav{display:block}
  .nir_theme .pkp_structure_content.has_sidebar .pkp_structure_main{width:calc(100% - 300px);padding-right:48px;float:left;box-sizing:border-box}
  .nir_theme .pkp_structure_content.has_sidebar .pkp_structure_sidebar{width:300px;float:right;padding:0;box-sizing:border-box}
  .nir_theme .pkp_structure_content{display:flow-root}
  .nir_theme .obj_article_details .entry_details{position:sticky;top:16px;align-self:flex-start}
  .nir_theme .page_article .pkp_structure_main{width:100%}
}

/* ---------- Mobile / tablet ---------- */
@media (max-width:991px){
  .nir_wrap{padding-left:16px;padding-right:16px}
  .nir_theme .pkp_site_nav_toggle{display:block;position:absolute;top:auto;bottom:22px;right:16px;left:auto;width:44px;height:40px;background:#fff;border:1px solid var(--ni-line);border-radius:2px;color:var(--ni-ink);padding:0;margin:0}
  .nir_theme .pkp_site_nav_toggle span{position:absolute;left:11px;right:11px;top:19px;height:2px;width:auto;background:var(--ni-ink);text-indent:-9999px;overflow:hidden}
  .nir_theme .pkp_site_nav_toggle span:before,.nir_theme .pkp_site_nav_toggle span:after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--ni-ink);width:auto}
  .nir_theme .pkp_site_nav_toggle span:before{top:-7px}
  .nir_theme .pkp_site_nav_toggle span:after{top:7px}
  .nir_theme .pkp_site_nav_toggle--transform span{background:transparent}
  .nir_theme .pkp_site_nav_toggle--transform span:before{top:0;transform:rotate(45deg)}
  .nir_theme .pkp_site_nav_toggle--transform span:after{top:0;transform:rotate(-45deg)}
  .nir_theme .nir_masthead .pkp_site_name_wrapper{padding-right:76px;padding-top:20px;padding-bottom:18px;min-height:0}
  .nir_theme .nir_masthead .pkp_site_name a.nir_journal_title{font-size:26px}
  .nir_theme .nir_masthead .pkp_site_name .is_img img{max-height:56px}
  .nir_masthead_meta{font-size:13px}
  .nir_theme .pkp_site_nav_menu.nir_journal_nav{display:none;position:static;height:auto;overflow:visible;box-shadow:0 6px 12px rgba(0,0,0,.06)}
  .nir_theme .pkp_site_nav_menu.nir_journal_nav.pkp_site_nav_menu--isOpen{display:block}
  .nir_theme .nir_journal_nav .pkp_navigation_primary_row{padding-top:6px;padding-bottom:14px}
  .nir_theme .nir_journal_nav .pkp_navigation_primary_wrapper{flex-direction:column;gap:0}
  .nir_theme .nir_journal_nav .pkp_navigation_primary{flex-direction:column}
  .nir_theme .nir_journal_nav a.nir_nav_home,.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a{padding:12px 0;border-bottom:1px solid var(--ni-line-soft);margin:0}
  .nir_theme .nir_journal_nav .pkp_navigation_primary ul{position:static;display:block;border:0;box-shadow:none;padding:0 0 0 16px;background:none;float:none}
  .nir_theme .nir_journal_nav .pkp_navigation_primary ul a{padding:10px 0;border-bottom:1px solid var(--ni-line-soft)}
  .nir_theme .nir_journal_nav a.nir_nav_submit{margin:14px 0 0;align-self:flex-start}
  .nir_theme .nir_journal_nav .pkp_navigation_search_wrapper{margin:12px 0 0;align-self:flex-start}
  .nir_theme .nir_topbar .pkp_navigation_user{gap:2px 14px;font-size:13px}
  .nir_theme .nir_topbar .pkp_navigation_user ul{position:static}
  .nir_theme .pkp_structure_content{padding:22px 16px 40px}
  .nir_theme .pkp_structure_main h1,.nir_theme .page_title{font-size:26px}
  .nir_theme .obj_article_details .page_title{font-size:27px}
  .nir_theme .obj_article_details .row{flex-direction:column;gap:8px}
  .nir_theme .obj_article_details .entry_details{flex-basis:auto;width:auto}
  .nir_footer_grid,.nir_in_site .nir_footer_grid{grid-template-columns:1fr 1fr;gap:28px 24px}
  .nir_footer_identity{grid-column:1/-1}
  .nir_theme .page_index_site .journals>ul>li{flex-direction:column;gap:12px}
  .nir_theme .nir_site_intro_title{font-size:28px}
  .nir_theme .obj_issue_toc .heading{flex-direction:column}
}
@media (max-width:480px){
  .nir_topbar_inner{flex-wrap:wrap;padding-top:6px;padding-bottom:6px;min-height:0}
  .nir_footer_bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.nir_topbar,.nir_journal_nav,.nir_footer,.entry_details{display:none!important}}

/* ---------- Overrides of parent-theme geometry ---------- */
.nir_theme .nir_topbar .pkp_navigation_user_wrapper{width:auto!important;max-width:none;margin:0!important;left:auto;transform:none;flex:0 1 auto}
.nir_theme .nir_topbar #navigationUser{width:auto;justify-content:flex-end}
.nir_theme a.nir_publisher{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1 1 auto}
.nir_theme .nir_masthead .pkp_site_name{position:static!important;top:auto;left:auto;right:auto;width:auto!important;transform:none}
.nir_theme .pkp_structure_content{width:auto!important}
.nir_theme .pkp_structure_content:not(.has_sidebar) .pkp_structure_main{width:100%!important;float:none!important;margin:0!important;padding:0!important}
.nir_theme .pkp_structure_footer_wrapper.nir_footer,.nir_theme .nir_footer .pkp_structure_footer{text-align:left}
.nir_theme .nir_footer .pkp_brand_footer{text-align:right}
.nir_theme .cmp_announcements .obj_announcement_summary{width:auto!important;float:none!important;border:0!important;border-bottom:1px solid var(--ni-line-soft)!important;padding:14px 0!important;margin:0!important}
.nir_theme .cmp_announcements .more{width:auto!important;float:none!important;border:0!important;margin:0!important;padding:0!important}
.nir_theme .cmp_announcements .obj_announcement_summary .summary{font-size:15px}
.nir_theme .obj_issue_toc .heading{display:block}
.nir_theme .obj_issue_toc .heading .cover{float:right;margin:0 0 12px 24px}
.nir_theme .obj_issue_toc .heading .published{display:block}
.nir_theme .obj_article_details .item.authors .affiliation:before,.nir_theme .obj_article_details .item.authors .affiliation:after{content:none}
.nir_theme .obj_article_details .item.authors ul.authors>li{display:block;margin:0 0 4px}
.nir_theme .obj_article_details .item.authors ul.authors>li:after{content:none}
@media (min-width:992px){
  .nir_theme .pkp_structure_content.has_sidebar .pkp_structure_main{margin:0!important}
}
.nir_theme .obj_article_details .row .main_entry,.nir_theme .obj_article_details .row .entry_details{padding:0!important;margin:0!important;border:0!important}
.nir_theme .obj_article_details .row .main_entry .item{padding-left:0!important;padding-right:0!important}
@media (max-width:991px){
  .nir_theme .pkp_site_nav_toggle span{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0);white-space:nowrap;background:none!important;padding:0;margin:-1px;border:0}
  .nir_theme .pkp_site_nav_toggle span:before,.nir_theme .pkp_site_nav_toggle span:after{content:none!important;display:none}
  .nir_theme .pkp_site_nav_toggle:before{content:"";position:absolute;left:12px;right:12px;top:12px;height:2px;background:var(--ni-ink);box-shadow:0 7px 0 var(--ni-ink),0 14px 0 var(--ni-ink)}
  .nir_theme .pkp_site_nav_toggle.pkp_site_nav_toggle--transform:before{content:"\00D7";background:none;box-shadow:none;top:0;left:0;right:0;height:auto;font:400 30px/38px var(--ni-sans);color:var(--ni-ink);text-align:center}
  .nir_theme .nir_journal_nav .pkp_navigation_primary ul li{display:block;width:100%}
}
.nir_theme .cmp_announcements,.nir_theme .cmp_announcements:before,.nir_theme .cmp_announcements:after{border:0!important}
.nir_theme .cmp_announcements .obj_announcement_summary:before{display:none}
.nir_theme .obj_article_summary .meta .pages,.nir_theme .obj_article_summary .meta .published{float:none!important;position:static!important}
.nir_theme .obj_issue_toc .section>h2{color:var(--ni-ink)!important;font-family:var(--ni-serif)!important;font-weight:600!important}

/* =====================================================================
 * v1.1.1 colour palette — navy/teal dominant, saturated gold signature.
 * --ni-accent is set by the theme option (default navy #0c2b4b).
 * ===================================================================== */
:root{
  --ni-navy:var(--ni-accent);         /* primary: masthead title, buttons, nav text active */
  --ni-navy-deep:#0a2440;             /* footer background */
  --ni-teal:#0f5e6e;                  /* links, secondary accent */
  --ni-teal-dark:#0b4a57;             /* link hover */
  --ni-visited:#4a3b6b;               /* visited links in content */
  --ni-gold:#d4a017;                  /* signature gold: rules, underlines, badges, fills */
  --ni-gold-bright:#e0b43a;           /* gold hover on navy */
  --ni-gold-ink:#8a5f00;              /* gold TEXT on white/light */
  --ni-gold-soft:#fdf6e3;             /* light gold badge background */
  --ni-ink:#1f2a37;                   /* body headings/text */
  --ni-body:#1f2a37;
  --ni-muted:#5b6b7f;                 /* secondary text, meta lines */
  --ni-faint:#5b6b7f;
  --ni-line:#d5dde6;                  /* borders, dividers */
  --ni-line-soft:#e6ebf1;
  --ni-tint:#f3f6f9;                  /* masthead / sidebar box tint */
  --ni-bg-soft:var(--ni-tint);
  --ni-link:var(--ni-teal);
  --ni-footer:var(--ni-navy-deep);
  --ni-footer-text:#c3ccd8;
  --ni-footer-muted:#9aa8b8;
}
/* links */
.nir_theme .pkp_structure_main a{color:var(--ni-teal)}
.nir_theme .pkp_structure_main a:hover,.nir_theme .pkp_structure_main a:focus{color:var(--ni-teal-dark)}
.nir_theme .pkp_structure_main .obj_article_details .main_entry a:visited,.nir_theme .pkp_structure_main .page_announcement a:visited{color:var(--ni-visited)}
.nir_theme .obj_article_summary .title a,.nir_theme .page_index_site .journals h3 a{color:var(--ni-navy)}
.nir_theme .obj_article_summary .title a:hover,.nir_theme .page_index_site .journals h3 a:hover{color:var(--ni-teal)}
.nir_theme .obj_article_summary .obj_galley_link,.nir_theme .obj_issue_toc .galleys_links .obj_galley_link{color:var(--ni-teal)}
/* top bar */
.nir_topbar{background:#fff;border-bottom:1px solid var(--ni-line);border-top:4px solid var(--ni-navy)}
.nir_theme a.nir_publisher{color:var(--ni-navy)}
.nir_theme .nir_topbar .pkp_navigation_user>li>a{color:var(--ni-ink)}
.nir_theme .nir_topbar .pkp_navigation_user>li>a:hover{color:var(--ni-teal)}
.nir_theme .nir_topbar .pkp_navigation_user .task_count{background:var(--ni-gold);color:var(--ni-navy)}
/* masthead */
.nir_theme .pkp_head_wrapper.nir_masthead{background:var(--ni-tint);border-bottom:3px solid var(--ni-gold)}
.nir_theme .nir_masthead .pkp_site_name a.nir_journal_title{color:var(--ni-navy)}
.nir_theme .nir_masthead .pkp_site_name a.nir_journal_title:hover{color:var(--ni-teal)}
.nir_masthead_meta{color:var(--ni-muted)}
.nir_masthead_tagline{color:var(--ni-gold-ink);font-weight:600}
/* journal nav */
.nir_theme .nir_journal_nav a.nir_nav_home,.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a{color:var(--ni-navy);border-bottom-width:4px}
.nir_theme .nir_journal_nav a.nir_nav_home:hover,.nir_theme .nir_journal_nav a.nir_nav_home.is_current,
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a:hover,.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a:focus{color:var(--ni-navy);border-bottom-color:var(--ni-gold)}
.nir_theme .nir_journal_nav .pkp_navigation_primary ul{border-top:3px solid var(--ni-gold)}
.nir_theme .nir_journal_nav .pkp_navigation_primary ul a:hover{color:var(--ni-teal)}
.nir_theme .nir_journal_nav a.nir_nav_submit,.nir_btn_primary,.nir_theme .obj_article_details .nir_download .obj_galley_link{background:var(--ni-navy)!important;color:#fff!important;border:2px solid var(--ni-gold)!important;filter:none!important}
.nir_theme .nir_journal_nav a.nir_nav_submit:hover,.nir_btn_primary:hover,.nir_theme .obj_article_details .nir_download .obj_galley_link:hover,
.nir_theme .nir_journal_nav a.nir_nav_submit:focus,.nir_btn_primary:focus{background:var(--ni-gold)!important;color:var(--ni-navy)!important;border-color:var(--ni-gold)!important}
.nir_theme .nir_journal_nav .pkp_search{color:var(--ni-navy)}
/* form buttons */
.nir_theme .cmp_button,.nir_theme .cmp_form .buttons button,.nir_theme .cmp_form button[type="submit"],.nir_theme button.submit{background:var(--ni-navy);border:2px solid var(--ni-navy);color:#fff}
.nir_theme .cmp_button:hover,.nir_theme .cmp_form .buttons button:hover,.nir_theme .cmp_form button[type="submit"]:hover{background:var(--ni-gold);border-color:var(--ni-gold);color:var(--ni-navy);filter:none}
.nir_theme .cmp_notification{background:var(--ni-gold-soft);border-left-color:var(--ni-gold);color:var(--ni-ink)}
/* section headings: thick gold rule */
.nir_section_title,
.nir_theme .page_index_journal>section>h2,.nir_theme .page_index_site .journals>h2,
.nir_theme .cmp_announcements>h2,.nir_theme .obj_issue_toc .section>h2,.nir_theme .obj_issue_toc .galleys>h2,
.nir_theme .page_index_journal .cmp_announcements h2,.nir_theme .pkp_structure_main>.page>h1,.nir_theme .page>h1.page_title{color:var(--ni-navy)!important;border-bottom:3px solid var(--ni-gold)!important;padding-bottom:8px}
.nir_theme .obj_article_details .main_entry .item>h2.label{color:var(--ni-navy);border-left:4px solid var(--ni-gold);padding-left:10px!important}
.nir_site_intro{border-bottom:3px solid var(--ni-gold)}
.nir_theme .nir_site_intro_title{color:var(--ni-navy)}
/* lists, meta, dividers */
.nir_theme .cmp_article_list>li,.nir_theme .page_index_site .journals>ul>li,.nir_theme .page_issue_archive .issues_archive>li,.nir_theme .cmp_announcements .obj_announcement_summary{border-bottom-color:var(--ni-line)!important}
.nir_theme .obj_article_summary .meta,.nir_article_meta,.nir_article_type,.nir_theme .cmp_breadcrumbs,.nir_overview_facts dt{color:var(--ni-muted)}
.nir_article_meta,.nir_overview_facts{border-color:var(--ni-line)}
.nir_theme a.read_more,.nir_link_arrow{color:var(--ni-teal)}
.nir_overview_facts{border-top:1px solid var(--ni-line);border-bottom:1px solid var(--ni-line)}
/* badges */
.nir_type_label{color:var(--ni-navy)}
.nir_open_access{display:inline-block;background:var(--ni-gold);color:var(--ni-navy);border:0;border-radius:2px;padding:2px 9px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-left:0}
.nir_open_access:before{background:var(--ni-navy)}
/* article sidebar */
.nir_theme .obj_article_details .nir_download{background:var(--ni-tint)!important;border:1px solid var(--ni-line)!important;border-top:4px solid var(--ni-gold)!important}
.nir_sidebar_heading,.nir_theme .obj_article_details .entry_details .item .label,.nir_theme .obj_article_details .entry_details .sub_item .label{color:var(--ni-navy)}
.nir_theme .obj_article_details .entry_details .item{border-bottom-color:var(--ni-line)}
.nir_theme .obj_article_details .entry_details .item.citation,.nir_theme .obj_article_details .nir_cite{background:var(--ni-tint);padding:14px!important;border:1px solid var(--ni-line)!important;border-left:4px solid var(--ni-teal)!important}
.nir_cite_text{background:transparent}
/* sidebar blocks */
.nir_theme .pkp_block .title{color:var(--ni-navy);border-bottom:3px solid var(--ni-gold);padding-bottom:6px}
/* footer */
.nir_theme .pkp_structure_footer_wrapper.nir_footer{background:var(--ni-footer);color:var(--ni-footer-text);border-top:5px solid var(--ni-gold)}
.nir_footer_name{color:#fff}
.nir_footer_heading{color:var(--ni-gold);border-bottom:1px solid rgba(212,160,23,.4);padding-bottom:8px}
.nir_theme .nir_footer a{color:var(--ni-footer-text)}
.nir_theme .nir_footer a:hover,.nir_theme .nir_footer a:focus{color:var(--ni-gold-bright)}
.nir_footer_issn,.nir_footer_publisher{color:var(--ni-footer-text)}
.nir_footer_copy{color:var(--ni-footer-muted)}
.nir_footer_grid,.nir_theme .nir_footer .pkp_footer_content{border-color:rgba(195,204,216,.2)}
/* mobile */
@media (max-width:991px){
  .nir_theme .pkp_site_nav_toggle{border-color:var(--ni-line)}
  .nir_theme .nir_journal_nav a.nir_nav_home.is_current{border-bottom:3px solid var(--ni-gold)}
}

/* v1.1.2.0 — NIS Publication logo branding */
.nir_theme a.nir_brand{display:inline-flex;align-items:center;padding:4px 0}
.nir_theme a.nir_brand:hover{text-decoration:none;opacity:.9}
.nir_theme .nir_brand_logo{display:block;height:32px;width:auto}
.nir_theme .nir_topbar_site a.nir_brand{visibility:hidden}
.nir_theme .nir_masthead .pkp_site_name .nir_site_brand img{height:70px;width:auto;max-height:none}
.nir_theme .nir_footer_copy{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.nir_theme .nir_footer_brand img{display:block;height:30px;width:auto}
@media (max-width:600px){.nir_theme .nir_brand_logo{height:28px}.nir_theme .nir_masthead .pkp_site_name .nir_site_brand img{height:52px}}

/* ---- v1.1.3.0: themed 404 page (rendered by the plugin's PKPApplication::execute::catch handler) ---- */
.nir_404{padding:2.5rem 0 3rem;max-width:44rem}
.nir_404 p.nir_404__code,.nir_404__code{font-family:var(--ni-serif);font-size:4.5rem;line-height:1;color:#0c2b4b;margin:0 0 .5rem;font-weight:600}
.nir_404__code span{color:#d4a017}
.nir_404 h1{font-family:var(--ni-serif);color:var(--ni-ink);margin:0 0 1rem}
.nir_404 p{color:#4a5563;margin:0 0 1.5rem}
.nir_404__actions a{display:inline-block;margin:0 .75rem .5rem 0;padding:.55rem 1.1rem;border:1px solid var(--ni-accent);border-radius:3px;text-decoration:none;font-weight:600}
.nir_404__actions a.nir_404__primary{background:var(--ni-accent);color:#fff}
.nir_404__actions a:hover,.nir_404__actions a:focus{border-color:#d4a017;color:var(--ni-ink);background:#fff}

/* v1.1.3.1 — nav legibility + single-line fit.
 * public/site/styleSheet.css sets .pkp_navigation_primary>li>a{color:#e2e8f0!important}
 * (meant for a dark header); override it with higher specificity + !important. */
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a,
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a.dropdown-toggle,
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>[aria-haspopup],
.nir_theme .nir_journal_nav a.nir_nav_home,
.nir_theme .nir_journal_nav .pkp_search{color:#0c2b4b!important;opacity:1!important;font-size:14px!important;font-weight:500}
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a:hover,
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a:focus,
.nir_theme .nir_journal_nav .pkp_navigation_primary>li:hover>a,
.nir_theme .nir_journal_nav a.nir_nav_home:hover,
.nir_theme .nir_journal_nav .pkp_search:hover{color:#0f5e6e!important;color:var(--ni-teal,#0f5e6e)!important}
.nir_theme .nir_journal_nav .pkp_navigation_primary>li.current>a,
.nir_theme .nir_journal_nav .pkp_navigation_primary>li>a[aria-current],
.nir_theme .nir_journal_nav a.nir_nav_home.is_current{color:#0c2b4b!important;border-bottom-color:var(--ni-gold)!important}
.nir_theme .nir_journal_nav .pkp_navigation_primary ul a{color:#0c2b4b!important;opacity:1!important;background:#fff}
.nir_theme .nir_journal_nav .pkp_navigation_primary ul a:hover,
.nir_theme .nir_journal_nav .pkp_navigation_primary ul a:focus{color:var(--ni-teal,#0f5e6e)!important;background:var(--ni-bg-soft,#f4f6f8)}
@media (min-width:992px){
  .nir_theme .nir_journal_nav .pkp_navigation_primary_wrapper{flex-wrap:nowrap}
  .nir_theme .nir_journal_nav .pkp_navigation_primary{flex-wrap:nowrap}
  .nir_theme .nir_journal_nav .pkp_navigation_primary>li>a{padding:14px 9px 12px!important;white-space:nowrap}
  .nir_theme .nir_journal_nav a.nir_nav_home{white-space:nowrap;margin-right:4px}
  .nir_theme .nir_journal_nav .pkp_navigation_search_wrapper{margin-left:14px!important;white-space:nowrap;order:100}
  .nir_theme .nir_journal_nav a.nir_nav_submit{margin-left:auto;white-space:nowrap;order:99}
}
@media (min-width:992px) and (max-width:1199px){
  .nir_theme .nir_journal_nav .pkp_navigation_primary>li>a{padding:14px 6px 12px!important;font-size:13px!important}
}