/* ⚓ Dedicated Academic Article Layout Viewport */

.article-wrapper {
  max-width: 1140px;
  margin: 2rem auto 4rem;
  padding: 0 2rem;
}

.back-link-box {
  margin-bottom: 2rem;
}

.back-link {
  color: var(--amber, #c8a84b);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.back-link:hover { text-decoration: underline; }

.article-header {
  border-bottom: 1px solid rgba(200, 168, 75, 0.15);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.meta-strip {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--amber, #c8a84b);
  letter-spacing: 1.5px;
  margin-bottom: 0.75rem;
}

.article-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: 34px;
  line-height: 1.2;
  color: var(--white, #ffffff);
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.authors-block {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.author strong {
  display: block;
  font-size: 14px;
  color: var(--white, #ffffff);
}

.author span {
  display: block;
  font-size: 12px;
  color: var(--muted, #a0b2c6);
  margin-top: 2px;
}

/* Two Column Reading Interface Layout Grid */
.article-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 3rem;
  align-items: flex-start;
}

.abstract-card {
  background: rgba(200, 168, 75, 0.03);
  border-left: 3px solid var(--amber, #c8a84b);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}

.abstract-card h3 {
  font-size: 13px;
  text-transform: uppercase;
  color: var(--white, #ffffff);
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.abstract-card p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted, #a0b2c6);
  font-style: italic;
}

.content-block {
  margin-bottom: 2.5rem;
}

.content-block h2 {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  color: var(--white, #ffffff);
  margin-bottom: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.4rem;
}

.content-block p {
  font-size: 14px;
  color: var(--muted, #a0b2c6);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.content-block ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.content-block li {
  font-size: 13.5px;
  color: var(--muted, #a0b2c6);
  margin-bottom: 0.5rem;
  list-style-type: decimal;
}

/* Sidebar Analytics Framework Layout */
.analytical-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sticky-widget-box {
  background: var(--navy-mid, #0b253a);
  border: 1px solid rgba(200, 168, 75, 0.12);
  padding: 1.5rem;
  border-radius: 4px;
}

.widget-header {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--white, #ffffff);
  border-bottom: 1px solid rgba(200, 168, 75, 0.15);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.metric-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.m-item {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

.m-item span { color: var(--muted, #a0b2c6); }
.m-item strong { color: var(--amber, #c8a84b); }

/* Analytical Performance Chart Elements */
.visual-chart-block {
  margin-bottom: 1.25rem;
}

.bar-entity {
  margin-bottom: 12px;
}

.lbl-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 4px;
}

.lbl-row span { color: var(--muted, #a0b2c6); }
.lbl-row strong { color: var(--white, #ffffff); }

.bar-container {
  height: 6px;
  background: #051421;
  border-radius: 3px;
  overflow: hidden;
}

.fill-bar {
  height: 100%;
  background: var(--amber, #c8a84b);
}

.fill-bar.accent-green { background: #20c997; }
.fill-bar.accent-red { background: #dc3545; }

.chart-caption-text {
  font-size: 10px;
  color: var(--muted, #a0b2c6);
  line-height: 1.4;
  font-style: italic;
}

.widget-cta-btn {
  display: block;
  text-align: center;
  background: var(--amber, #c8a84b);
  color: #051421;
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 10px;
  letter-spacing: 0.3px;
  transition: opacity 0.2s ease;
}

.widget-cta-btn:hover { opacity: 0.9; }

@media (max-width: 840px) {
  .article-grid { grid-template-columns: 1fr; gap: 2rem; }
}