/* ============================================================
   ft-article.css  — Full-text article page styles
   ONLY used by ft-master.php (articles 2266+)
   Do NOT modify fulltext.css or globb.css for these classes
   ============================================================ */

/* ── CSS Variables ────────────────────────────────────── */
:root {
  --ft-primary:      #0b5a7a;
  --ft-accent:       #0088c9;
  --ft-green:        #1a6f3a;
  --ft-border:       rgba(15,23,42,.10);
  --ft-bg:           #f2f6fb;
  --ft-card:         #ffffff;
  --ft-muted:        #64748b;
  --ft-text:         #1e293b;
  --ft-radius:       12px;
  --ft-shadow:       0 4px 18px rgba(17,24,39,.07);
  --ft-hero-bg:      linear-gradient(135deg,#0b1220 0%,#111c34 60%,#0b1220 100%);
}

/* ── Reading Progress Bar ─────────────────────────────── */
#readProgress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--ft-accent), #43a047);
  z-index: 9999;
  transition: width .15s linear;
}

/* ══════════════════════════════════════════════════════
   HERO BANNER
   ══════════════════════════════════════════════════════ */
.jbp-hero {
  background: var(--ft-hero-bg);
  padding: 28px 0 24px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: relative;
  overflow: hidden;
}
.jbp-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 260px at 8% 20%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(600px 240px at 85% 10%, rgba(168,85,247,.14), transparent 60%);
  pointer-events: none;
}
.jbp-hero__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative; z-index: 1;
}
.jbp-hero__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,.65);
  margin-bottom: 10px;
}
.jbp-hero__breadcrumb a {
  color: rgba(255,255,255,.75);
  text-decoration: none;
  transition: color .2s;
}
.jbp-hero__breadcrumb a:hover { color: #fff; }
.jbp-hero__breadcrumb span:not([class]) { opacity: .5; }
.jbp-hero__title {
  margin: 0 0 6px;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
}
.jbp-hero__sub {
  margin: 0;
  font-size: 13.5px;
  color: rgba(255,255,255,.72);
  font-weight: 600;
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════
   3-COLUMN LAYOUT
   ══════════════════════════════════════════════════════ */
.art-page {
  background: var(--ft-bg);
  min-height: 60vh;
}
.art-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 16px;
  display: grid;
  grid-template-columns: 220px 1fr 240px;
  gap: 20px;
  align-items: start;
}

/* Left sidebar */
.art-left {
  position: sticky;
  top: 72px;
}

/* Main content */
.art-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Right sidebar */
.art-right {
  position: sticky;
  top: 72px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.art-right-box {
  background: var(--ft-card);
  border: 1px solid var(--ft-border);
  border-radius: var(--ft-radius);
  box-shadow: var(--ft-shadow);
  overflow: hidden;
}
.art-right-box__head {
  background: linear-gradient(135deg, rgba(0,136,201,.12), rgba(67,160,71,.10));
  padding: 10px 14px;
  font-weight: 900;
  font-size: 13.5px;
  color: var(--ft-primary);
  border-bottom: 1px solid var(--ft-border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.art-right-box__body {
  padding: 12px 14px;
}

/* ══════════════════════════════════════════════════════
   ARTICLE CARD
   ══════════════════════════════════════════════════════ */
.art-card {
  background: var(--ft-card);
  border: 1px solid var(--ft-border);
  border-radius: var(--ft-radius);
  box-shadow: var(--ft-shadow);
  padding: 20px 22px;
}
.art-section__title {
  font-size: 15px;
  font-weight: 900;
  color: var(--ft-primary);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(0,136,201,.15);
  display: flex;
  align-items: center;
  gap: 8px;
}
.art-section__title i { color: var(--ft-accent); }

/* ── Badges ───────────────────────────────────────────── */
.art-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.art-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--ft-border);
  background: rgba(15,23,42,.04);
  color: var(--ft-text);
}
.art-badge--oa {
  background: rgba(26,111,58,.10);
  border-color: rgba(26,111,58,.20);
  color: var(--ft-green);
}
.art-badge--type {
  background: rgba(0,136,201,.10);
  border-color: rgba(0,136,201,.20);
  color: var(--ft-primary);
}
.art-badge--vol {
  background: rgba(245,158,11,.10);
  border-color: rgba(245,158,11,.22);
  color: #92400e;
}
.art-badge--date {
  background: rgba(15,23,42,.05);
  color: var(--ft-muted);
}

/* ── Article Title ─────────────────────────────────────── */
.art-title {
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 800;
  color: var(--ft-text);
  line-height: 1.35;
  margin: 0 0 16px;
}

/* ── Authors block ─────────────────────────────────────── */
.art-authors {
  margin-bottom: 16px;
}
.art-authors__label {
  font-size: 11.5px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--ft-muted);
  margin-bottom: 6px;
}
.art-author-chip {
  background: rgba(0,136,201,.05);
  border: 1px solid rgba(0,136,201,.14);
  border-radius: 10px;
  padding: 10px 14px;
}
.art-author-chip__name {
  font-weight: 800;
  color: var(--ft-text);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 6px;
}
.art-author-chip__aff {
  font-size: 12.5px;
  color: var(--ft-muted);
  line-height: 1.6;
}
.art-author-chip__aff sup { color: var(--ft-accent); font-weight: 700; }

/* ── Publication Timeline ──────────────────────────────── */
.ft-timeline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin-bottom: 16px;
  padding: 12px 14px;
  background: rgba(15,23,42,.02);
  border: 1px solid var(--ft-border);
  border-radius: 10px;
}
.ft-tl-step {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.ft-tl-icon {
  width: 32px; height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(0,136,201,.10);
  border: 1px solid rgba(0,136,201,.20);
  color: var(--ft-accent);
  font-size: 13px;
  flex-shrink: 0;
}
.ft-tl-icon--ok {
  background: rgba(26,111,58,.10);
  border-color: rgba(26,111,58,.22);
  color: var(--ft-green);
}
.ft-tl-icon--pub {
  background: rgba(245,158,11,.10);
  border-color: rgba(245,158,11,.22);
  color: #b45309;
}
.ft-tl-info { flex-shrink: 0; }
.ft-tl-label {
  font-size: 10.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--ft-muted);
  line-height: 1;
}
.ft-tl-date {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ft-text);
  margin-top: 2px;
}
.ft-tl-line {
  flex: 1;
  min-width: 16px;
  height: 1px;
  background: var(--ft-border);
  margin: 0 6px;
}

/* ── Meta Pills ────────────────────────────────────────── */
.ft-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.ft-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  background: rgba(15,23,42,.04);
  border: 1px solid var(--ft-border);
  color: var(--ft-text);
}
.ft-meta-pill i { color: var(--ft-accent); font-size: 11px; }
.ft-meta-pill a { color: var(--ft-primary); text-decoration: underline; text-underline-offset: 2px; }
.ft-meta-pill--doi {
  background: rgba(0,136,201,.07);
  border-color: rgba(0,136,201,.18);
}
.ft-meta-pill--cc {
  background: rgba(26,111,58,.07);
  border-color: rgba(26,111,58,.18);
}
.ft-doi-copy {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  color: var(--ft-muted);
  font-size: 11px;
  border-radius: 4px;
  transition: color .2s, background .2s;
}
.ft-doi-copy:hover { color: var(--ft-accent); background: rgba(0,136,201,.08); }

/* ── Subjects ─────────────────────────────────────────── */
.ft-subjects-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 12px;
}
.ft-subjects-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--ft-muted);
  margin-right: 4px;
  flex-shrink: 0;
}

/* ── Subject Chips (cloud pill links) ──────────────────── */
.ft-subject-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.ft-subject-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  background: rgba(11,90,122,.07);
  border: 1px solid rgba(11,90,122,.20);
  color: var(--ft-primary);
  text-decoration: none;
  transition: background .2s, border-color .2s, transform .15s, color .2s;
  cursor: pointer;
}
.ft-subject-chip:hover {
  background: rgba(0,136,201,.14);
  border-color: rgba(0,136,201,.35);
  color: var(--ft-accent);
  transform: translateY(-1px);
}

/* ── Copyright separator (forces copyright to new row in timeline) ─ */
.ft-tl-copyright-sep {
  width: 100%;
  flex-basis: 100%;
  height: 0;
  border-top: 1px dashed rgba(15,23,42,.15);
  margin: 8px 0 4px;
}

/* ── Action Bar ────────────────────────────────────────── */
.ft-action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  padding: 12px 14px;
  background: rgba(15,23,42,.02);
  border: 1px solid var(--ft-border);
  border-radius: 10px;
}
.ft-btn-pdf {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 800;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, #c0392b, #e74c3c);
  color: #fff;
  box-shadow: 0 4px 12px rgba(192,57,43,.25);
  transition: transform .15s, box-shadow .15s;
}
.ft-btn-pdf:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(192,57,43,.30); }
.ft-btn-tool {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ft-text);
  background: rgba(255,255,255,.9);
  border: 1px solid var(--ft-border);
  text-decoration: none;
  transition: border-color .2s, transform .15s;
}
.ft-btn-tool:hover { border-color: rgba(0,136,201,.35); transform: translateY(-1px); color: var(--ft-primary); }
.ft-btn-tool img { height: 16px; width: auto; vertical-align: middle; }

/* ── Indexed / Find-In Bar ─────────────────────────────── */
.ft-indexed-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--ft-border);
}
.ft-indexed-bar .lbl {
  font-size: 12px;
  font-weight: 800;
  color: var(--ft-muted);
}
.ft-indexed-bar a {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--ft-border);
  background: #fff;
  transition: transform .15s, border-color .2s;
}
.ft-indexed-bar a:hover { transform: translateY(-1px); border-color: rgba(0,136,201,.30); }
.ft-indexed-bar img { height: 20px; width: auto; }

/* ── Keywords ─────────────────────────────────────────── */
.ft-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.ft-kw-chip {
  display: inline-block;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  background: rgba(0,136,201,.08);
  border: 1px solid rgba(0,136,201,.18);
  color: var(--ft-primary);
  cursor: default;
}

/* ── Inline Quick-Access / Metrics / Links / Share Panel ─ */
.ft-inline-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.ft-inline-col {
  padding: 16px 18px;
  border-right: 1px solid var(--ft-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ft-inline-col:last-child { border-right: none; }
.ft-inline-col__head {
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--ft-muted);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.ft-inline-col__head i { color: var(--ft-accent); }

/* Quick access buttons */
.art-quick-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--ft-border);
  background: rgba(15,23,42,.03);
  color: var(--ft-text);
  cursor: pointer;
  transition: transform .15s, border-color .2s;
}
.art-quick-btn:hover { transform: translateY(-1px); border-color: rgba(0,136,201,.30); color: var(--ft-primary); }
.art-quick-btn--pdf {
  background: rgba(192,57,43,.07);
  border-color: rgba(192,57,43,.18);
  color: #c0392b;
}
.art-quick-btn--html {
  background: rgba(0,136,201,.07);
  border-color: rgba(0,136,201,.18);
  color: var(--ft-primary);
}
.art-quick-btn--doi {
  background: rgba(26,111,58,.07);
  border-color: rgba(26,111,58,.18);
  color: var(--ft-green);
}

/* Metrics */
.ft-inline-metrics {
  display: flex;
  gap: 10px;
}
.ft-inline-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex: 1;
  padding: 8px 6px;
  border-radius: 8px;
  background: rgba(15,23,42,.03);
  border: 1px solid var(--ft-border);
}
.ft-inline-metric__icon { font-size: 14px; color: var(--ft-accent); }
.ft-inline-metric__num { font-size: 16px; font-weight: 900; color: var(--ft-text); }
.ft-inline-metric__lbl { font-size: 10.5px; color: var(--ft-muted); font-weight: 700; }

/* Sidebar links */
.ft-sb-link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--ft-text);
  text-decoration: none;
  border-bottom: 1px solid var(--ft-border);
  transition: color .2s, padding-left .15s;
}
.ft-sb-link:last-child { border-bottom: none; }
.ft-sb-link i, .ft-sb-link img { color: var(--ft-accent); font-size: 12px; }
.ft-sb-link:hover { color: var(--ft-accent); padding-left: 4px; }

/* ── Graphical Abstract ────────────────────────────────── */
.ft-ga-card__title {
  font-size: 14px;
  font-weight: 900;
  color: var(--ft-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 7px;
}

/* ── Article Body ──────────────────────────────────────── */
.ft-article-body {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ft-text);
}
.ft-article-body h2,
.ft-article-body h3,
.ft-article-body h4 {
  color: var(--ft-primary);
  font-weight: 800;
  margin: 24px 0 10px;
}
.ft-article-body h2 { font-size: 18px; border-bottom: 2px solid rgba(0,136,201,.12); padding-bottom: 6px; }
.ft-article-body h3 { font-size: 16px; }
.ft-article-body h4 { font-size: 14.5px; }
.ft-article-body p { margin: 0 0 14px; }
.ft-article-body img { max-width: 100%; border-radius: 6px; }
.ft-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
.ft-article-body th,
.ft-article-body td {
  border: 1px solid var(--ft-border);
  padding: 8px 12px;
  text-align: left;
}
.ft-article-body th {
  background: rgba(0,136,201,.08);
  font-weight: 800;
}
.ft-article-body ol,
.ft-article-body ul {
  margin: 0 0 14px;
  padding-left: 22px;
  line-height: 1.8;
}
.ft-abstract-box {
  background: rgba(0,136,201,.04);
  border-left: 3px solid var(--ft-accent);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ft-text);
}

/* ── Citation box ──────────────────────────────────────── */
.art-cite-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.art-cite-btn {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
  border: 1px solid var(--ft-border);
  background: rgba(15,23,42,.04);
  color: var(--ft-text);
  cursor: pointer;
  transition: all .2s;
}
.art-cite-btn:hover,
.art-cite-btn.active {
  background: var(--ft-accent);
  color: #fff;
  border-color: var(--ft-accent);
}
.art-cite-box {
  background: rgba(15,23,42,.02);
  border: 1px solid var(--ft-border);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ft-text);
}

/* ══════════════════════════════════════════════════════
   RIGHT SIDEBAR — TOC
   ══════════════════════════════════════════════════════ */
.ft-toc-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ft-toc-nav a {
  display: block;
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ft-text);
  text-decoration: none;
  transition: background .15s, color .15s;
  border: 1px solid transparent;
}
.ft-toc-nav a:hover {
  background: rgba(0,136,201,.08);
  color: var(--ft-primary);
  border-color: rgba(0,136,201,.15);
}
.ft-toc-nav a.ft-toc-link--sub,
.ft-toc-nav a.is-sub {
  padding-left: 20px;
  font-weight: 600;
  color: var(--ft-muted);
  font-size: 12px;
}

/* ── Quick access buttons in right sidebar ─────────────── */
.art-right .art-quick-btn {
  width: 100%;
  justify-content: flex-start;
}

/* ══════════════════════════════════════════════════════
   FLOATING TOC PANEL
   ══════════════════════════════════════════════════════ */
.ft-toc-panel {
  position: fixed;
  top: 80px;
  right: 24px;
  width: 280px;
  max-height: calc(100vh - 120px);
  background: #fff;
  border: 1px solid rgba(0,136,201,.18);
  border-radius: var(--ft-radius);
  box-shadow: 0 12px 36px rgba(17,24,39,.15);
  z-index: 1200;
  overflow: hidden;
  display: none;
  flex-direction: column;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity .2s ease, transform .2s ease;
}
.ft-toc-panel.show {
  display: flex;
  opacity: 1;
  transform: translateX(0);
}
.ft-toc-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: linear-gradient(135deg, rgba(0,136,201,.12), rgba(67,160,71,.10));
  border-bottom: 1px solid var(--ft-border);
  font-weight: 900;
  font-size: 13.5px;
  color: var(--ft-primary);
}
.ft-toc-panel__close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--ft-muted);
  line-height: 1;
  padding: 0 4px;
  transition: color .2s;
}
.ft-toc-panel__close:hover { color: var(--ft-text); }
.ft-toc-panel__nav {
  overflow-y: auto;
  padding: 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ft-toc-panel__nav::-webkit-scrollbar { width: 5px; }
.ft-toc-panel__nav::-webkit-scrollbar-track { background: transparent; }
.ft-toc-panel__nav::-webkit-scrollbar-thumb { background: rgba(0,136,201,.25); border-radius: 10px; }
.ft-toc-panel__nav a {
  display: block;
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ft-text);
  text-decoration: none;
  transition: background .15s, color .15s;
}
.ft-toc-panel__nav a:hover {
  background: rgba(0,136,201,.08);
  color: var(--ft-primary);
}
.ft-toc-panel__nav a.is-sub {
  padding-left: 22px;
  font-weight: 600;
  color: var(--ft-muted);
  font-size: 12.5px;
}

/* ══════════════════════════════════════════════════════
   RELATED ARTICLES SECTION
   ══════════════════════════════════════════════════════ */
.ft-related-section {
  background: #f0f4fa;
  border-top: 1px solid var(--ft-border);
  padding: 32px 0 36px;
}
.ft-related-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 16px;
}
.ft-related-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.ft-related-title {
  font-size: 18px;
  font-weight: 900;
  color: var(--ft-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ft-related-title i { color: var(--ft-accent); }
.ft-related-more {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--ft-accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s;
}
.ft-related-more:hover { gap: 10px; }
.ft-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.ft-related-card {
  background: #fff;
  border: 1px solid var(--ft-border);
  border-radius: var(--ft-radius);
  box-shadow: var(--ft-shadow);
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform .15s, box-shadow .15s, border-color .2s;
}
.ft-related-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(17,24,39,.10);
  border-color: rgba(0,136,201,.22);
}
.ft-related-card__type {
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--ft-accent);
}
.ft-related-card__title {
  font-size: 14px;
  font-weight: 800;
  color: var(--ft-text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ft-related-card__authors {
  font-size: 12.5px;
  color: var(--ft-muted);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ft-related-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--ft-muted);
  font-weight: 700;
  margin-top: 2px;
}
.ft-related-card__meta i { color: var(--ft-accent); font-size: 11px; margin-right: 3px; }
.ft-related-card__arrow {
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--ft-border);
  font-size: 12.5px;
  font-weight: 800;
  color: var(--ft-accent);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .art-container {
    grid-template-columns: 200px 1fr 220px;
    gap: 16px;
  }
}
@media (max-width: 900px) {
  .art-container {
    grid-template-columns: 1fr;
  }
  .art-left { position: static; display: none; } /* hide left sidebar on tablet */
  .art-right { position: static; }
  .ft-toc-panel { right: 12px; width: 260px; }
}
@media (max-width: 900px) {
  .ft-inline-panel { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .art-container { padding: 14px 10px; gap: 12px; }
  .art-card { padding: 14px 14px; }
  .ft-inline-panel { grid-template-columns: 1fr; }
  .ft-inline-col { border-right: none; border-bottom: 1px solid var(--ft-border); }
  .ft-inline-col:last-child { border-bottom: none; }
  .ft-timeline { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ft-tl-line { width: 1px; height: 16px; margin: 0 15px; }
  .jbp-hero { padding: 18px 0 16px; }
}

/* ══════════════════════════════════════════════════════
   FIGURES
   ══════════════════════════════════════════════════════ */
.ft-figure {
  margin: 20px 0;
  text-align: center;
}
.ft-fig-thumb {
  position: relative;
  display: inline-block;
  cursor: zoom-in;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--ft-border);
  box-shadow: var(--ft-shadow);
  max-width: 100%;
}
.ft-fig-thumb img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 160px;
  object-fit: contain;
  transition: transform .3s ease;
}
.ft-fig-thumb:hover img { transform: scale(1.02); }
.ft-fig-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,90,122,.55);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
  opacity: 0;
  transition: opacity .25s;
}
.ft-fig-thumb:hover .ft-fig-overlay { opacity: 1; }
.ft-fig-num {
  position: absolute;
  top: 8px;
  left: 10px;
  background: rgba(11,90,122,.80);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: .4px;
}
.ft-figure-caption {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--ft-muted);
  line-height: 1.6;
  text-align: left;
  padding: 0 4px;
}
.ft-figure-caption strong { color: var(--ft-primary); }

/* ══════════════════════════════════════════════════════
   TABLES
   ══════════════════════════════════════════════════════ */
.ft-table-wrap {
  margin: 20px 0;
}
.ft-table-caption {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--ft-primary);
  margin-bottom: 8px;
  padding-left: 2px;
}
.ft-table-scroll {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--ft-border);
  box-shadow: var(--ft-shadow);
}
.ft-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  background: #fff;
}
.ft-table th,
.ft-table td {
  border: 1px solid var(--ft-border);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}
.ft-table th {
  background: rgba(0,136,201,.08);
  font-weight: 800;
  color: var(--ft-primary);
  white-space: nowrap;
}
.ft-table tr:nth-child(even) td { background: rgba(15,23,42,.02); }
.ft-table tr:hover td { background: rgba(0,136,201,.04); }

/* ══════════════════════════════════════════════════════
   HEADINGS (used inside .ft-article-body)
   ══════════════════════════════════════════════════════ */
.ft-h2 {
  font-size: 18px;
  font-weight: 900;
  color: var(--ft-primary);
  margin: 28px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(0,136,201,.15);
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.ft-h3 {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--ft-primary);
  margin: 20px 0 10px;
  display: flex;
  align-items: center;
  gap: 7px;
  position: relative;
}

/* ── TOC pin button (inserted by JS into h2/h3) ─────── */
.ft-toc-pin {
  background: none;
  border: 1px solid rgba(0,136,201,.25);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 13px;
  color: var(--ft-accent);
  cursor: pointer;
  margin-left: 6px;
  line-height: 1;
  transition: background .2s, color .2s;
  flex-shrink: 0;
}
.ft-toc-pin:hover { background: rgba(0,136,201,.10); }

/* ══════════════════════════════════════════════════════
   REFERENCES
   ══════════════════════════════════════════════════════ */
.ft-ref-list {
  list-style: decimal;
  padding-left: 22px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ft-ref-list li {
  font-size: 13.5px;
  color: var(--ft-text);
  line-height: 1.7;
  padding-left: 4px;
}
.ft-ref-list li a {
  color: var(--ft-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.ft-ref-list li a:hover { color: var(--ft-primary); }