/* ================================================================
   JOURNAL SINGLE PAGE CSS v3.0
   ================================================================ */

/* Hero */
.journal-hero,
.jnl-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: calc(var(--nav-h) + 34px) 0 34px;
  position: relative;
  overflow: hidden;
}

.journal-hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 15%, rgba(13, 202, 240, 0.18), transparent 35%),
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.12), transparent 32%);
  pointer-events: none;
}

.journal-hero-content {
  position: relative;
}

.journal-title,
.jnl-title {
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  color: #fff;
  line-height: 1.3;
  max-width: 820px;
  margin-bottom: 18px;
}

.journal-cat-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(13, 202, 240, 0.2);
  color: #d5f6ff;
  border: 1px solid rgba(13, 202, 240, 0.35);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 12px 0;
}

.journal-meta-hero,
.jnl-meta-hero {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.75);
}

.journal-meta-hero span,
.jnl-meta-hero span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.journal-meta-hero i,
.jnl-meta-hero i {
  color: var(--accent);
}

/* Layout */
.journal-page,
.jnl-body-wrap {
  background: var(--bg-light);
}

.journal-layout,
.jnl-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.journal-main-col,
.jnl-main {
  min-width: 0;
}

.journal-sidebar,
.jnl-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}

/* Citation Box */
.citation-box {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  margin-bottom: 32px;
}

.citation-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}

.citation-header h3 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.citation-header i {
  color: var(--accent-dark);
}

.citation-text {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.8;
  font-style: italic;
  background: var(--bg-light);
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 14px;
}

.btn-copy,
.copy-citation-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--bg-light);
  color: var(--primary);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.btn-copy:hover,
.copy-citation-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.doi-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--primary-light);
  font-weight: 600;
}

/* Journal Sections */
.journal-section,
.jnl-section {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.journal-section-title,
.jnl-section h2 {
  font-size: 1.15rem;
  color: var(--primary-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
}

.journal-section-title i,
.jnl-section h2 i {
  color: var(--accent-dark);
  font-size: 1rem;
}

.abstract-text p,
.journal-section p,
.jnl-section p {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.85;
}

/* Details Grid */
.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.detail-item {
  background: var(--bg-light);
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.detail-item .detail-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.detail-item .detail-value {
  font-size: 0.88rem;
  color: var(--primary-dark);
  font-weight: 500;
}

/* Keywords Cloud */
.keywords-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.keyword-tag {
  background: rgba(13, 59, 110, 0.07);
  color: var(--primary);
  border: 1px solid rgba(13, 59, 110, 0.15);
  padding: 5px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
}

.keyword-tag:hover {
  background: var(--primary);
  color: #fff;
}

/* Share row */
.share-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

.share-row>span {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--primary);
}

.share-row .share-btn {
  padding: 8px 14px;
  font-size: 0.8rem;
}

/* Sidebar cards */
.journal-sidebar .sidebar-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 22px;
  margin-bottom: 18px;
}

.journal-sidebar .sidebar-card h4 {
  margin: 12px 0 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--primary-dark);
}

.journal-sidebar .sidebar-bio {
  font-size: 0.84rem;
  color: var(--text-mid);
  margin-bottom: 12px;
}

.sidebar-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 59, 110, 0.08);
  color: var(--primary-light);
}

.cta-card {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-color: transparent;
}

.cta-card h4,
.cta-card p {
  color: #fff;
}

.sidebar-cta-icon {
  font-size: 1.8rem;
  color: var(--accent);
}

.btn-sm {
  padding: 9px 14px;
  font-size: 0.8rem;
}

/* Journal Info Widget (sidebar) */
.journal-info-widget {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.ji-logo {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.journal-info-widget div strong {
  display: block;
  font-size: 0.85rem;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.journal-info-widget div span {
  display: block;
  font-size: 0.77rem;
  color: var(--text-light);
  margin-bottom: 2px;
}

/* Responsive */
@media (max-width: 1024px) {

  .journal-layout,
  .jnl-layout {
    grid-template-columns: 1fr;
  }

  .journal-sidebar,
  .jnl-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {

  .journal-hero,
  .jnl-hero {
    padding: calc(var(--nav-h) + 24px) 0 24px;
  }

  .journal-title,
  .jnl-title {
    font-size: 1.5rem;
  }

  .journal-section,
  .jnl-section {
    padding: 22px;
  }

  .details-grid {
    grid-template-columns: 1fr;
  }

  .citation-box {
    padding: 20px;
  }

  .citation-header {
    flex-wrap: wrap;
  }
}