/* ==========================================================================
   NURDYANSA ACADEMIC EDITORIAL DESIGN SYSTEM
   Bespoke Editorial & Academic Lab Stylesheet (Anti-Generic AI Aesthetic)
   Designed for: Nurdyansa Academic Working Papers Series
   FISIPOL Universitas Pancasakti Makassar
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,600;0,6..72,700;0,6..72,800;1,6..72,400;1,6..72,600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Surface & Backgrounds */
  --bg-deep: #070a11;
  --bg-surface: #0c121e;
  --bg-surface-elevated: #111a2c;
  --bg-card: rgba(14, 22, 38, 0.78);
  --bg-card-hover: rgba(22, 34, 58, 0.88);
  --bg-glass: rgba(12, 18, 30, 0.85);

  /* Accents & Brand Gold */
  --accent-gold: #f59e0b;
  --accent-gold-light: #fbbf24;
  --accent-gold-dark: #d97706;
  --accent-gold-glow: rgba(245, 158, 11, 0.16);
  --accent-gold-border: rgba(245, 158, 11, 0.35);

  /* Secondary Accents */
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;

  /* Typography Colors */
  --text-white: #ffffff;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #8899aa;
  --text-subtle: #556677;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-card: rgba(255, 255, 255, 0.09);

  /* Typography Fonts */
  --font-serif: 'Newsreader', Georgia, Cambria, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.55), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 35px -10px rgba(0, 0, 0, 0.65), 0 1px 3px rgba(245, 158, 11, 0.15);
  --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.15);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
}

/* ==========================================================================
   Base Styles & Reset Overrides
   ========================================================================== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body.academic-portal {
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(1200px 600px at 50% -50px, rgba(245, 158, 11, 0.08) 0%, transparent 60%),
    radial-gradient(800px 400px at 10% 800px, rgba(6, 182, 212, 0.04) 0%, transparent 50%),
    radial-gradient(800px 400px at 90% 1200px, rgba(245, 158, 11, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* Selection */
::selection {
  background: rgba(245, 158, 11, 0.35);
  color: var(--text-white);
}

/* ==========================================================================
   Header & Top Navigation
   ========================================================================== */
.editorial-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
  transition: all 0.3s ease;
}

.editorial-nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-text {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
  color: var(--text-white);
  display: flex;
  align-items: center;
}

.brand-logo-text .dot {
  color: var(--accent-gold);
}

.brand-series-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--accent-gold-light);
  background: var(--accent-gold-glow);
  border: 1px solid var(--accent-gold-border);
  padding: 3px 9px;
  border-radius: 4px;
  margin-left: 6px;
  display: none;
}

@media (min-width: 768px) {
  .brand-series-badge {
    display: inline-block;
  }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-scholar {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-gold-light);
  background: var(--accent-gold-glow);
  border: 1px solid var(--accent-gold-border);
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-nav-scholar:hover {
  background: var(--accent-gold);
  color: #111 !important;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.4);
  transform: translateY(-1px);
}

.btn-nav-return {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-nav-return:hover {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   Editorial Masthead (Blog Index Header)
   ========================================================================== */
.masthead-section {
  position: relative;
  padding: 60px 0 45px;
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(14, 22, 38, 0.6) 0%, rgba(7, 10, 17, 0) 100%);
}

.masthead-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.masthead-pill-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.academic-dept-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--accent-gold-border);
  padding: 4px 12px;
  border-radius: 20px;
}

.academic-dept-badge i {
  font-size: 0.75rem;
}

.open-access-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.28);
  padding: 4px 12px;
  border-radius: 20px;
}

.masthead-title {
  font-family: var(--font-serif);
  font-size: clamp(2.3rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-white);
  margin: 0 0 18px;
  max-width: 950px;
}

.masthead-title span.gold {
  color: var(--accent-gold);
  font-style: italic;
  font-weight: 700;
}

.masthead-lead {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 860px;
  margin: 0 0 28px;
}

.masthead-lead strong {
  color: var(--text-white);
  font-weight: 600;
}

/* Metrics Ribbon */
.metrics-ribbon {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  max-width: 980px;
  margin-top: 32px;
}

.metric-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.metric-item:hover {
  border-color: var(--accent-gold-border);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.metric-val i {
  color: var(--accent-gold);
  font-size: 1.1rem;
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* ==========================================================================
   Interactive Filter & Search Bar
   ========================================================================== */
.editorial-filter-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
  position: sticky;
  top: 59px;
  z-index: 900;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.filter-bar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 992px) {
  .filter-bar-container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Search Box */
.search-wrapper {
  position: relative;
  min-width: 280px;
  max-width: 420px;
  flex-grow: 1;
}

.search-input {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border-medium);
  border-radius: 30px;
  padding: 10px 18px 10px 42px;
  color: var(--text-white);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  outline: none;
  transition: all 0.25s ease;
}

.search-input::placeholder {
  color: var(--text-subtle);
}

.search-input:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
  background: var(--bg-surface-elevated);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle);
  font-size: 0.9rem;
  pointer-events: none;
}

/* Filter Pills */
.filter-pills-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.filter-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  user-select: none;
}

.filter-pill:hover {
  color: var(--text-white);
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.08);
}

.filter-pill.active {
  background: var(--accent-gold);
  color: #0b0f17 !important;
  border-color: var(--accent-gold);
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.35);
  font-weight: 700;
}

.filter-pill .pill-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  margin-left: 5px;
  opacity: 0.85;
}

/* ==========================================================================
   Featured Lead Paper (Editorial Hero Layout)
   ========================================================================== */
.featured-paper-wrapper {
  max-width: 1280px;
  margin: 40px auto 0;
  padding: 0 24px;
}

.featured-paper-card {
  background: linear-gradient(135deg, rgba(17, 26, 44, 0.9) 0%, rgba(10, 16, 28, 0.95) 100%);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  display: grid;
  grid-template-columns: 1fr;
  transition: all 0.3s ease;
}

@media (min-width: 992px) {
  .featured-paper-card {
    grid-template-columns: 440px 1fr;
  }
}

.featured-visual-box {
  position: relative;
  min-height: 280px;
  background: var(--bg-deep);
  overflow: hidden;
}

.featured-visual-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.featured-paper-card:hover .featured-visual-box img {
  transform: scale(1.04);
}

.featured-badge-flag {
  position: absolute;
  top: 18px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-gold);
  color: #0b0f17;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.6px;
  padding: 5px 12px;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.featured-series-flag {
  position: absolute;
  bottom: 18px;
  left: 18px;
  background: rgba(7, 10, 17, 0.88);
  backdrop-filter: blur(8px);
  color: var(--accent-gold-light);
  border: 1px solid var(--accent-gold-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
}

.featured-content-box {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .featured-content-box {
    padding: 42px 40px;
  }
}

.featured-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.featured-meta-row span i {
  color: var(--accent-gold);
  margin-right: 5px;
}

.category-tag {
  color: var(--accent-gold-light);
  font-weight: 600;
  background: var(--accent-gold-glow);
  border: 1px solid var(--accent-gold-border);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.featured-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-white);
  margin: 0 0 16px;
}

.featured-title a {
  color: var(--text-white);
  text-decoration: none;
  transition: color 0.2s ease;
}

.featured-title a:hover {
  color: var(--accent-gold);
}

.featured-excerpt {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.featured-actions-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

/* ==========================================================================
   Regular Paper Grid & Cards
   ========================================================================== */
.catalog-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.catalog-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

.catalog-section-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-white);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.catalog-section-title span.count {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-gold);
  background: var(--accent-gold-glow);
  border: 1px solid var(--accent-gold-border);
  padding: 2px 8px;
  border-radius: 12px;
}

.papers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 768px) {
  .papers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .papers-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.paper-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.paper-card:hover {
  transform: translateY(-5px);
  border-color: rgba(245, 158, 11, 0.4);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.55), 0 0 20px rgba(245, 158, 11, 0.1);
}

.paper-thumb-wrapper {
  position: relative;
  height: 210px;
  background: var(--bg-deep);
  overflow: hidden;
}

.paper-thumb-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.paper-card:hover .paper-thumb-wrapper img {
  transform: scale(1.05);
}

.series-badge-card {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(7, 10, 17, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--accent-gold-light);
  border: 1px solid var(--accent-gold-border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 5px;
  z-index: 2;
}

.category-badge-card {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(12, 18, 30, 0.85);
  backdrop-filter: blur(6px);
  color: var(--text-white);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 9px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  z-index: 2;
}

.paper-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.paper-meta-line {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.paper-meta-line span i {
  color: var(--accent-gold);
  margin-right: 4px;
}

.paper-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-white);
  margin: 0 0 12px;
}

.paper-card-title a {
  color: var(--text-white);
  text-decoration: none;
  transition: color 0.2s ease;
}

.paper-card-title a:hover {
  color: var(--accent-gold);
}

.paper-card-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 22px;
  flex-grow: 1;
}

.paper-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

/* Action Buttons */
.btn-editorial-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--accent-gold);
  color: #0b0f17 !important;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--accent-gold);
  transition: all 0.22s ease;
  cursor: pointer;
}

.btn-editorial-primary:hover {
  background: var(--accent-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
}

.btn-editorial-outline {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary) !important;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--border-medium);
  transition: all 0.22s ease;
  cursor: pointer;
}

.btn-editorial-outline:hover {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-gold-light) !important;
  border-color: var(--accent-gold-border);
  transform: translateY(-1px);
}

/* No results state */
.no-results-state {
  display: none;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  grid-column: 1 / -1;
}

.no-results-state i {
  font-size: 2.8rem;
  color: var(--accent-gold);
  margin-bottom: 14px;
}

.no-results-state h3 {
  color: var(--text-white);
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.no-results-state p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   SINGLE ARTICLE: Desktop 2-Column Reader Layout & Components
   ========================================================================== */

/* Reading Progress Bar */
#reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3.5px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
  width: 0%;
  z-index: 99999;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.8);
}

.article-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 36px 24px 80px;
  width: 100%;
  box-sizing: border-box;
}

/* Article Hero Masthead */
.article-header-masthead {
  max-width: 900px;
  margin: 0 0 32px 0;
}

.article-preheader {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.article-series-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-gold);
  background: var(--accent-gold-glow);
  border: 1px solid var(--accent-gold-border);
  padding: 4px 12px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

.article-category-tag {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 4px 12px;
  border-radius: 20px;
}

.article-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-white);
  margin: 0 0 20px;
}

.article-meta-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.86rem;
  color: var(--text-muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-meta-strip span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta-strip span i {
  color: var(--accent-gold);
}

/* 2-Column Split Layout */
.article-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

@media (min-width: 992px) {
  .article-layout-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 48px;
  }
}

/* Left Column: Reading Spine */
.article-reading-spine {
  max-width: 100%;
}

@media (min-width: 992px) {
  .article-reading-spine {
    max-width: 780px;
  }
}

/* Hero Visual Box */
.article-hero-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-md);
  margin-bottom: 32px;
}

.article-hero-frame img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.article-hero-caption {
  padding: 10px 18px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-surface-elevated);
  border-top: 1px solid var(--border-subtle);
  font-style: italic;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-hero-caption i {
  color: var(--accent-gold);
}

/* Executive Abstract Card */
.abstract-executive-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(14, 22, 38, 0.75) 100%);
  border-left: 4px solid var(--accent-gold);
  border-top: 1px solid var(--accent-gold-border);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 24px 28px;
  margin-bottom: 36px;
  position: relative;
}

.abstract-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.abstract-label {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 8px;
}

.abstract-text {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-align: justify;
}

.abstract-keywords {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.abstract-keywords strong {
  color: var(--accent-gold-light);
}

.keyword-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 2px 9px;
  border-radius: 12px;
  font-size: 0.75rem;
}

/* Content Typography & Reading Flow */
.article-body {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--text-secondary);
}

/* Drop Cap on first paragraph */
.article-body > p:first-of-type::first-letter {
  font-family: var(--font-serif);
  float: left;
  font-size: 3.8rem;
  line-height: 0.82;
  margin: 6px 12px 0 0;
  color: var(--accent-gold);
  font-weight: 800;
  text-shadow: 0 0 20px rgba(245, 158, 11, 0.35);
}

.article-body p {
  margin-bottom: 1.7rem;
  color: #d8e2ec !important;
  text-align: justify;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-white) !important;
  margin-top: 3.2rem;
  margin-bottom: 1.25rem;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
  scroll-margin-top: 90px;
}

.article-body h2 strong {
  color: var(--text-white) !important;
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--accent-gold-light) !important;
  margin-top: 2.4rem;
  margin-bottom: 1rem;
  scroll-margin-top: 90px;
}

.article-body h3 strong {
  color: var(--accent-gold-light) !important;
}

.article-body h4 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-white) !important;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
  scroll-margin-top: 90px;
}

.article-body strong {
  color: var(--text-white);
  font-weight: 600;
}

.article-body em {
  color: #e2e8f0;
}

.article-body a {
  color: var(--accent-gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: all 0.2s;
}

.article-body a:hover {
  color: var(--accent-gold-light);
  text-decoration-color: var(--accent-gold-light);
}

/* Citations [1], [2] */
.article-body a.citation {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold-glow);
  color: var(--accent-gold) !important;
  border: 1px solid var(--accent-gold-border);
  border-radius: 4px;
  padding: 0 5px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  margin: 0 3px;
  vertical-align: baseline;
  text-decoration: none !important;
  transition: all 0.2s ease;
}

.article-body a.citation:hover {
  background: var(--accent-gold);
  color: #0b0f17 !important;
  transform: translateY(-1px);
}

/* Blockquotes */
.article-body blockquote {
  border-left: 3px solid var(--accent-gold);
  background: var(--bg-card);
  padding: 20px 24px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.12rem;
  line-height: 1.7;
  color: #cbd5e1;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2.2rem 0;
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.article-body blockquote p {
  margin-bottom: 0;
  color: #cbd5e1 !important;
  text-align: left;
}

/* Lists */
.article-body ul, .article-body ol {
  margin-left: 1.4rem;
  margin-bottom: 1.8rem;
  color: var(--text-secondary) !important;
}

.article-body li {
  margin-bottom: 0.6rem;
  line-height: 1.75;
}

/* Academic Tables - Crisp Dark Theme Contrast */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2.5rem 0;
  font-size: 0.9rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-body table thead th {
  background: var(--bg-surface-elevated) !important;
  color: var(--accent-gold-light) !important;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.6px;
  padding: 14px 18px;
  border-bottom: 2px solid var(--accent-gold-border);
  text-align: left;
}

.article-body table tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary) !important;
  line-height: 1.6;
}

.article-body table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}

.article-body table tbody tr:hover td {
  background: rgba(245, 158, 11, 0.05);
  color: var(--text-white) !important;
}

/* Fix Tailwind table wrapper dark conflicts */
.overflow-x-auto table th, 
.overflow-x-auto table td {
  color: var(--text-secondary) !important;
}
.overflow-x-auto th {
  color: var(--accent-gold-light) !important;
}

/* References Section */
.references-list-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-top: 1.5rem;
}

.references-list-wrapper ol {
  margin: 0;
  padding-left: 20px;
}

.references-list-wrapper li {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 12px;
  word-break: break-word;
}

.references-list-wrapper li a {
  color: var(--accent-gold);
}

/* CC License Box */
.license-declaration-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.license-declaration-box i.fa-creative-commons {
  font-size: 2rem;
  color: var(--accent-gold);
  flex-shrink: 0;
}

/* ==========================================================================
   Right Column: Sticky Academic Utilities Rail
   ========================================================================== */
.article-academic-rail {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 992px) {
  .article-academic-rail {
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding-right: 4px;
  }
}

.rail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.rail-card-title {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent-gold);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Direct Action Card */
.rail-actions-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-rail-pdf {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--accent-gold);
  color: #0b0f17 !important;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 700;
  padding: 11px 18px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--accent-gold);
  transition: all 0.22s ease;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-rail-pdf:hover {
  background: var(--accent-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.45);
}

.btn-rail-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary) !important;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--border-medium);
  transition: all 0.2s ease;
}

.btn-rail-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white) !important;
}

/* Reading Utility Toolbar */
.reading-utility-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  margin-top: 10px;
}

.font-size-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-font-size {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-font-size:hover {
  background: var(--accent-gold);
  color: #0b0f17;
  border-color: var(--accent-gold);
}

.reading-progress-metric {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-gold-light);
}

/* Sticky ScrollSpy Table of Contents */
.toc-scrollspy-box {
  max-height: 280px;
  overflow-y: auto;
}

.toc-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-nav-item {
  margin-bottom: 8px;
}

.toc-nav-link {
  display: block;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 0 4px 12px;
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
}

.toc-nav-link:hover {
  color: var(--text-white);
  border-left-color: var(--border-medium);
}

.toc-nav-link.active {
  color: var(--accent-gold);
  font-weight: 600;
  border-left-color: var(--accent-gold);
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.08) 0%, transparent 100%);
}

/* Interactive Multi-Format Citation Switcher */
.citation-tab-container {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 10px;
  gap: 4px;
}

.citation-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.citation-tab-btn:hover {
  color: var(--text-white);
}

.citation-tab-btn.active {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

.citation-output-box {
  background: var(--bg-deep);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.55;
  color: var(--text-secondary);
  user-select: all;
  min-height: 70px;
  max-height: 140px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.btn-copy-citation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-top: 10px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-gold-light);
  border: 1px solid var(--accent-gold-border);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 7px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy-citation:hover {
  background: var(--accent-gold);
  color: #0b0f17;
}

/* Author Mini Rail Card */
.author-rail-card {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-rail-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-gold);
  flex-shrink: 0;
}

.author-rail-info {
  display: flex;
  flex-direction: column;
}

.author-rail-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-white);
  line-height: 1.3;
}

.author-rail-title {
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.35;
  margin-top: 2px;
}

/* Toast Notification for Clipboard Copy */
#citation-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #0f172a;
  border: 1px solid var(--accent-gold);
  color: var(--text-white);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 15px rgba(245, 158, 11, 0.3);
  z-index: 100000;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

#citation-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Floating Back to Top Button */
.editorial-top-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent-gold);
  color: #0b0f17;
  border: none;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 999;
}

.editorial-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.editorial-top-btn:hover {
  transform: translateY(-3px);
  background: var(--accent-gold-light);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.6);
}

/* ==========================================================================
   Editorial Footer
   ========================================================================== */
.editorial-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0 30px;
  margin-top: auto;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.editorial-footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .editorial-footer-container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.editorial-footer a {
  color: var(--accent-gold-light);
  text-decoration: none;
}

.editorial-footer a:hover {
  text-decoration: underline;
}