/* ==========================================================================
   STATE-OF-THE-ART DESIGN SYSTEM & STYLING FOR DR. MOBASHIR PhD PROFILE
   ========================================================================== */

/* Google Fonts Imports */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;0,800;1,400&family=Public+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Fonts */
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-ui: "Public Sans", sans-serif;
  --font-mono: "Fira Code", monospace;

  /* --- LIGHT THEME (Parchment & Oxford Blue Academic) --- */
  --bg-base-hsl: 45, 18%, 96%;
  --bg-base: hsl(var(--bg-base-hsl)); /* Soft parchment ivory */
  --bg-surface-hsl: 0, 0%, 100%;
  --bg-surface: hsl(var(--bg-surface-hsl)); /* Pure paper white */
  --bg-surface-soft: hsl(45, 12%, 91%); /* Slightly darker ivory */
  
  --text-main-hsl: 220, 20%, 15%;
  --text-main: hsl(var(--text-main-hsl)); /* Dark slate */
  --text-muted: hsl(220, 10%, 42%); /* Slate gray */
  --text-light: hsl(220, 8%, 56%); /* Light cool gray */
  
  --border-color: rgba(11, 22, 44, 0.08);
  --border-color-soft: rgba(11, 22, 44, 0.04);
  
  /* Academic Accents */
  --color-navy: #0b1a36;      /* Oxford Navy */
  --color-navy-light: #162e5c;
  --color-gold: #bfa36b;      /* Antique Academic Gold */
  --color-gold-dark: #91753d;
  --color-emerald: #0d4037;   /* Prestige Green */
  --color-rust: #8a251e;      /* IR/Legal Rust */
  --color-blue: #1e5cb3;      /* Policy Blue */
  
  --bg-soft-blue: rgba(30, 92, 179, 0.06);
  --text-soft-blue: #10418c;
  
  /* System Values */
  --shadow-sm: 0 4px 12px rgba(11, 26, 54, 0.03);
  --shadow-md: 0 16px 40px rgba(11, 26, 54, 0.06);
  --shadow-lg: 0 24px 60px rgba(11, 26, 54, 0.1);
  --shadow-inset: inset 0 2px 4px rgba(11, 26, 54, 0.02);
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  
  --header-bg: rgba(245, 244, 240, 0.85);
  --card-glow: rgba(191, 163, 107, 0.03);
  --highlight-color: #f7e0b5;
}

/* --- DARK THEME (Obsidian Scholar's Library) --- */
html[data-theme="dark"] {
  --bg-base-hsl: 220, 40%, 6%;
  --bg-base: hsl(var(--bg-base-hsl)); /* Obsidian black */
  --bg-surface-hsl: 220, 28%, 10%;
  --bg-surface: hsl(var(--bg-surface-hsl)); /* Rich dark navy-slate */
  --bg-surface-soft: hsl(220, 24%, 15%); /* Medium slate blue */
  
  --text-main-hsl: 220, 15%, 88%;
  --text-main: hsl(var(--text-main-hsl)); /* Soft parchment white */
  --text-muted: hsl(220, 10%, 68%); /* Muted slate */
  --text-light: hsl(220, 8%, 52%); /* Dark gray */
  
  --border-color: rgba(255, 255, 255, 0.07);
  --border-color-soft: rgba(255, 255, 255, 0.03);
  
  --color-navy: #eccb8b;      /* Gold becomes primary accent text in dark */
  --color-navy-light: #f7e0b5;
  --color-gold: #eccb8b;
  --color-gold-dark: #bfa36b;
  --color-emerald: #47bba2;
  --color-rust: #ec6a5e;
  --color-blue: #649ff5;
  
  --bg-soft-blue: rgba(100, 159, 245, 0.12);
  --text-soft-blue: #9bc2ff;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.6);
  --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.4);
  
  --header-bg: rgba(4, 8, 17, 0.85);
  --card-glow: rgba(236, 203, 139, 0.05);
  --highlight-color: #3b2c15;
}

/* Global Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.3s ease;
}

/* Typography Rules */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  position: relative;
  padding-bottom: 12px;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

h4 {
  font-size: 1.15rem;
}

p {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-muted);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* Elegant Text Gradient & Highlights */
.text-gradient {
  background: linear-gradient(135deg, var(--text-main) 30%, var(--color-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold-dark);
  margin-bottom: 16px;
  display: inline-block;
}

.section-kicker {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-blue);
  margin-bottom: 12px;
  display: inline-block;
}

/* Premium Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
}

.button.primary {
  background-color: var(--color-navy);
  color: var(--bg-surface);
  border-color: var(--color-navy);
}

.button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11, 26, 54, 0.15);
  background-color: var(--color-navy-light);
}

.button.secondary {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
}

.button.secondary:hover {
  background-color: var(--bg-surface-soft);
  transform: translateY(-2px);
}

.button.secondary.ink {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
}

.button.secondary.ink:hover {
  background-color: var(--bg-soft-blue);
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.button.danger {
  background-color: transparent;
  color: var(--color-rust);
  border-color: rgba(138, 37, 30, 0.2);
}

.button.danger:hover {
  background-color: rgba(138, 37, 30, 0.08);
  border-color: var(--color-rust);
}

/* ==========================================================================
   LAYOUT: SITE HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 48px;
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
  transition: var(--transition-smooth);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0b1a36 0%, #162e5c 100%);
  color: #eccb8b;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(236, 203, 139, 0.2);
}

.brand-text strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

.brand-text small {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 16px;
  border-radius: 4px;
  color: var(--text-muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text-main);
  background-color: var(--bg-surface-soft);
}

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  margin-left: 12px;
  border: 1px solid var(--border-color);
}

.theme-toggle:hover {
  background-color: var(--bg-surface-soft);
  color: var(--text-main);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  max-width: 1300px;
  margin: 0 auto;
  padding: 80px 48px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero-content h1 {
  margin-bottom: 24px;
  font-family: var(--font-serif);
}

.hero-copy {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-chip-row span {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-soft-blue);
  background-color: var(--bg-soft-blue);
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid rgba(30, 92, 179, 0.1);
  box-shadow: var(--shadow-inset);
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
}

.hero-image {
  width: 100%;
  height: 540px;
  object-fit: cover;
  border-radius: 20px 20px 80px 20px;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--bg-surface);
  transition: var(--transition-smooth);
}

.hero-image:hover {
  transform: translateY(-5px) scale(1.01);
}

.hero-overlay {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 100%;
  height: 100%;
  border-radius: 20px 20px 80px 20px;
  border: 2px solid var(--color-gold);
  z-index: -1;
  opacity: 0.5;
}

/* ==========================================================================
   METRICS SECTION
   ========================================================================== */
.metrics-section {
  max-width: 1300px;
  margin: 0 auto 80px;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 36px 24px;
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-blue));
  opacity: 0;
  transition: var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(191, 163, 107, 0.3);
}

.metric-card:hover::before {
  opacity: 1;
}

.metric-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.metric-card span {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.5;
  display: block;
}

/* ==========================================================================
   INTRO & INTERACTIVE GEOPOLITICAL CORRIDORS EXPLORER
   ========================================================================== */
.intro-band {
  max-width: 1300px;
  margin: 80px auto;
  padding: 0 48px;
}

.intro-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 60px;
}

.intro-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-family: var(--font-serif);
  line-height: 1.4;
  margin-top: 10px;
  color: var(--text-main);
}

/* Route Explorer Container */
.route-explorer-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.route-map-container {
  position: relative;
  width: 100%;
  background-color: var(--bg-base);
  border-radius: 12px;
  border: 1px solid var(--border-color-soft);
  padding: 20px;
  box-shadow: var(--shadow-inset);
  overflow: hidden;
}

.trade-map-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* SVG Styling */
.map-bg-grid {
  stroke: var(--border-color);
  stroke-dasharray: 4, 4;
}

.map-corridor-path {
  fill: none;
  stroke: var(--text-light);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 6, 6;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.map-corridor-path.active,
.map-corridor-path:hover {
  stroke: var(--color-blue);
  stroke-width: 5;
  stroke-dasharray: 0;
  filter: drop-shadow(0 0 6px rgba(30, 92, 179, 0.4));
}

.map-corridor-path.cpec {
  stroke: var(--color-emerald);
}
.map-corridor-path.cpec.active,
.map-corridor-path.cpec:hover {
  stroke: var(--color-emerald);
  filter: drop-shadow(0 0 6px rgba(71, 187, 162, 0.4));
}

.map-node {
  fill: var(--bg-surface);
  stroke: var(--text-light);
  stroke-width: 2.5;
  cursor: pointer;
  transition: var(--transition-fast);
}

.map-node.crossing {
  stroke: var(--color-rust);
}

.map-node.port {
  fill: var(--color-navy);
  stroke: var(--color-gold);
  stroke-width: 3;
}

.map-node:hover,
.map-node.active {
  fill: var(--color-gold);
  stroke: var(--color-navy);
  stroke-width: 3.5;
  transform: scale(1.25);
  transform-origin: center;
}

.map-node-label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  fill: var(--text-main);
  user-select: none;
  pointer-events: none;
  filter: drop-shadow(0 1px 2px var(--bg-surface));
}

/* Sidebar Info Panel */
.route-info-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: center;
}

.route-info-box {
  background-color: var(--bg-base);
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.route-info-box h3 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.route-info-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-soft-blue);
  background-color: var(--bg-soft-blue);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}

.route-info-box p {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.route-info-meta {
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.route-meta-item strong {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

.route-meta-item span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

/* ==========================================================================
   RESEARCH & POLICY AGENDA
   ========================================================================== */
.research-section {
  max-width: 1300px;
  margin: 0 auto 80px;
  padding: 80px 48px;
}

.research-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.research-note {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.research-note::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--color-gold);
  margin-top: 24px;
  transition: var(--transition-smooth);
}

.research-note:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(191, 163, 107, 0.4);
}

.research-note:hover::after {
  width: 80px;
  background-color: var(--color-blue);
}

.research-note h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 18px;
  line-height: 1.3;
}

.research-note p {
  font-size: 1rem;
  line-height: 1.6;
}

/* ==========================================================================
   PUBLICATIONS & ARTICLES SECTION
   ========================================================================== */
.essays-section {
  max-width: 1300px;
  margin: 0 auto 80px;
  padding: 80px 48px;
}

.section-heading.split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}

.publication-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 560px;
}

.publication-search {
  position: relative;
}

.publication-search span {
  display: none; /* Hide label, screen reader accessible via aria or placeholder */
}

.publication-search input {
  width: 100%;
  height: 48px;
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  box-shadow: var(--shadow-inset);
  transition: var(--transition-fast);
}

.publication-search input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(191, 163, 107, 0.15), var(--shadow-inset);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-button {
  background-color: var(--bg-surface-soft);
  color: var(--text-muted);
  border: 1px solid var(--border-color-soft);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 16px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-button:hover {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-color);
}

.filter-button.active {
  background-color: var(--color-navy);
  color: var(--bg-surface);
  border-color: var(--color-navy);
}

/* Publication Grid & Cards */
.essay-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.essay-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
  border-top: 4px solid var(--card-accent, var(--color-gold));
  overflow: hidden;
}

.essay-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  background-color: var(--bg-surface);
}

.essay-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, var(--card-glow), transparent 60%);
  pointer-events: none;
}

.essay-card .meta {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.essay-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 12px;
  font-weight: 700;
}

.essay-card .publication-venue {
  font-family: var(--font-ui);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.essay-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.mini-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.mini-tag-list span {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  background-color: var(--bg-surface-soft);
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-color-soft);
}

.publication-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  border-top: 1px solid var(--border-color-soft);
  padding-top: 18px;
}

.publication-card-actions a {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.publication-card-actions a:first-child {
  color: var(--color-blue);
}

.publication-card-actions a:first-child:hover {
  color: var(--color-navy);
  text-decoration: underline;
}

.publication-card-actions .ghost-link {
  color: var(--text-light);
}

.publication-card-actions .ghost-link:hover {
  color: var(--color-gold-dark);
}

/* ==========================================================================
   PROFILE SECTION
   ========================================================================== */
.profile-section {
  background-color: var(--bg-surface-soft);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 100px 48px;
}

.profile-card {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 60px;
  align-items: stretch;
}

.profile-portrait-wrapper {
  position: relative;
  height: 100%;
}

.profile-portrait {
  background: linear-gradient(135deg, #0b1a36 0%, #1c3563 100%);
  border-radius: 20px;
  padding: 40px;
  aspect-ratio: 4/5;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  border: 4px solid var(--bg-surface);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.profile-portrait-container {
  position: relative;
  height: 100%;
  min-height: 420px;
  border-radius: 20px;
  border: 4px solid var(--bg-surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  background-color: var(--bg-surface-soft);
  transition: var(--transition-smooth);
}

.profile-portrait-container:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 10px 30px rgba(191, 163, 107, 0.15);
}

.profile-portrait-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: var(--transition-smooth);
}

.profile-portrait::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(236, 203, 139, 0.08), transparent 50%);
  pointer-events: none;
}

.profile-portrait span {
  font-family: var(--font-serif);
  font-size: 7.5rem;
  font-weight: 800;
  color: #eccb8b;
  line-height: 1;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  margin-bottom: 12px;
}

.profile-portrait strong {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.5;
}

.profile-portrait-overlay {
  position: absolute;
  top: -12px;
  left: -12px;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  border: 1px solid var(--color-gold);
  z-index: -1;
  opacity: 0.3;
}

.profile-content h2 {
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.profile-title {
  font-family: var(--font-ui);
  font-size: 1.0rem;
  font-weight: 700;
  color: var(--color-blue);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.profile-content p {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.credential-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.credential-list span {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-soft-blue);
  background-color: var(--bg-soft-blue);
  padding: 6px 14px;
  border-radius: 4px;
  border: 1px solid rgba(30, 92, 179, 0.08);
}

/* ==========================================================================
   AFFILIATIONS SECTION
   ========================================================================== */
.affiliations-section {
  max-width: 1300px;
  margin: 0 auto 80px;
  padding: 80px 48px;
}

.affiliation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.affiliation-grid article {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.affiliation-grid article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(191, 163, 107, 0.3);
}

.affiliation-grid h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--text-main);
  margin-bottom: 14px;
}

.affiliation-grid p {
  font-size: 0.98rem;
  line-height: 1.6;
}

/* ==========================================================================
   TIMELINE / EXPERIENCE SECTION (DARK MODE PRESTIGE TIMELINE)
   ========================================================================== */
.timeline-section {
  background-color: #081122; /* Prestigious Deep Blue */
  color: #dee3eb;
  padding: 100px 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.timeline-section h2 {
  color: #ffffff;
}

.timeline-section .section-kicker {
  color: #eccb8b;
}

.timeline-container {
  max-width: 900px;
  margin: 60px auto 0;
  position: relative;
}

.timeline-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 30px;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, #eccb8b, rgba(236, 203, 139, 0.1));
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 50px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 21px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #081122;
  border: 4px solid #eccb8b;
  box-shadow: 0 0 10px rgba(236, 203, 139, 0.5);
  z-index: 2;
  transition: var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  background-color: #eccb8b;
  transform: scale(1.2);
}

.timeline-content {
  background-color: #0d1a30;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-content {
  border-color: rgba(236, 203, 139, 0.3);
  transform: translateX(8px);
}

.timeline-content h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.timeline-content .timeline-year {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 800;
  color: #eccb8b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: block;
}

.timeline-content p {
  color: #aeb4c2;
  font-size: 0.98rem;
  line-height: 1.6;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 80px 48px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 24px;
  font-family: var(--font-serif);
}

.contact-info p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.contact-form {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 20px;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-inset);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(191, 163, 107, 0.15), var(--shadow-inset);
}

.contact-form .button {
  justify-self: start;
}

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */
.site-footer {
  background-color: #060b14;
  color: #8c93a3;
  padding: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.site-footer p {
  color: #8c93a3;
  font-size: 0.9rem;
}

.site-footer a {
  color: #eccb8b;
  font-weight: 700;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ==========================================================================
   ARTICLE/PUBLICATION READER LAYOUT (post.html)
   ========================================================================== */
.article-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 48px;
}

.article-shell {
  display: flex;
  flex-direction: column;
}

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(to right, var(--color-gold), var(--color-blue));
  width: 0%;
  z-index: 1000;
  transition: width 0.1s ease;
}

.article-hero {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 48px;
  margin-bottom: 48px;
}

.article-hero-copy {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.article-hero .meta {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.article-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 24px;
}

.article-hero .excerpt {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.article-venue-date {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 24px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.tag-list span {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  background-color: var(--bg-surface-soft);
  padding: 5px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color-soft);
}

/* Article Core Reader Grid */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 60px;
  align-items: start;
}

.article-body-wrapper {
  max-width: 780px;
  margin-inline: auto;
}

/* Citation Generator Box */
.citation-box {
  background-color: var(--bg-surface-soft);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--color-gold);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
}

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

.citation-header h4 {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
}

.citation-tabs {
  display: flex;
  gap: 4px;
  background-color: var(--bg-base);
  padding: 3px;
  border-radius: 4px;
  border: 1px solid var(--border-color-soft);
}

.citation-tab {
  background: none;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-light);
  padding: 4px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.citation-tab.active {
  background-color: var(--bg-surface);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.citation-content {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-main);
  background-color: var(--bg-base);
  padding: 16px;
  border-radius: 6px;
  border: 1px solid var(--border-color-soft);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 180px;
  overflow-y: auto;
}

.citation-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
}

.citation-copy-btn {
  background: none;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-blue);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

.citation-copy-btn:hover {
  color: var(--color-navy);
}

/* Article Body Typography */
.article-body {
  color: var(--text-main);
  font-size: 1.125rem;
  line-height: 1.85;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin: 48px 0 20px;
  border-bottom: 1px solid var(--border-color-soft);
  padding-bottom: 8px;
  color: var(--text-main);
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin: 36px 0 16px;
  color: var(--text-main);
}

.article-body p {
  color: var(--text-muted);
  margin-bottom: 24px;
  text-align: justify;
}

.article-body ul, 
.article-body ol {
  padding-left: 28px;
  margin-bottom: 28px;
}

.article-body li {
  color: var(--text-muted);
  margin-bottom: 10px;
}

.article-body blockquote {
  border-left: 4px solid var(--color-gold);
  padding: 16px 24px;
  margin: 32px 0;
  background-color: var(--bg-surface-soft);
  font-style: italic;
  border-radius: 0 8px 8px 0;
}

/* Article Sidebar (Sticky Scroll-Spy TOC) */
.article-sidebar {
  position: sticky;
  top: 110px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-toc-title {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.article-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 1px solid var(--border-color);
  padding-left: 16px;
}

.article-sidebar nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  padding: 4px 0;
  transition: var(--transition-fast);
}

.article-sidebar nav a:hover {
  color: var(--text-main);
}

.article-sidebar nav a.active {
  color: var(--color-gold-dark);
  font-weight: 700;
  position: relative;
}

.article-sidebar nav a.active::before {
  content: "";
  position: absolute;
  left: -17px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 14px;
  background-color: var(--color-gold-dark);
}

.inquiry-card {
  background-color: #0b1a36;
  color: #dee3eb;
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(236, 203, 139, 0.15);
}

.inquiry-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: #eccb8b;
  margin-bottom: 10px;
}

.inquiry-card p {
  font-size: 0.88rem;
  color: #aeb4c2;
  margin-bottom: 18px;
  line-height: 1.5;
}

.inquiry-card a {
  display: block;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  background-color: #eccb8b;
  color: #0b1a36;
  padding: 10px 14px;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.inquiry-card a:hover {
  background-color: #ffffff;
  transform: translateY(-1px);
}

/* Related Posts Reel */
.related-posts-section {
  border-top: 1px solid var(--border-color);
  margin-top: 80px;
  padding-top: 48px;
}

.related-posts-section h3 {
  font-family: var(--font-serif);
  margin-bottom: 24px;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ==========================================================================
   ADMIN APP & CMS STYLING
   ========================================================================== */
.admin-body {
  background-color: var(--bg-base);
}

.admin-app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 48px;
}

.login-panel {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: center;
  min-height: 60vh;
}

.login-panel h1 {
  font-family: var(--font-serif);
  margin-bottom: 24px;
}

.login-panel p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  line-height: 1.7;
}

.login-form {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 20px;
}

.login-form label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: grid;
  gap: 8px;
}

.login-form input {
  padding: 12px 16px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-base);
  color: var(--text-main);
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

.login-form input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(191, 163, 107, 0.15);
}

/* CMS Dashboard */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 36px;
}

.admin-header h1 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
}

.admin-actions {
  display: flex;
  gap: 10px;
}

.admin-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: start;
}

.post-list-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  max-height: 800px;
  overflow-y: auto;
}

.post-list-panel h2 {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

.admin-post-list {
  display: grid;
  gap: 10px;
}

.admin-post-item {
  display: flex;
  flex-direction: column;
  text-align: left;
  background-color: var(--bg-base);
  border: 1px solid var(--border-color-soft);
  border-radius: 8px;
  padding: 14px 18px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.admin-post-item:hover {
  background-color: var(--bg-surface-soft);
  border-color: var(--color-gold);
}

.admin-post-item.active {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
}

.admin-post-item.active strong {
  color: #eccb8b;
}

.admin-post-item.active span {
  color: rgba(255, 255, 255, 0.6);
}

.admin-post-item strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.3;
}

.admin-post-item span {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--text-light);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* Dynamic Editor Form */
.editor-form {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Academic Import Module */
.academic-import-section {
  background-color: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 12px;
}

.academic-import-header {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-blue);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.academic-import-bar {
  display: flex;
  gap: 12px;
}

.academic-import-bar input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-size: 0.9rem;
}

/* Editor Grid */
.editor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.editor-grid .wide {
  grid-column: 1 / -1;
}

.editor-grid label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.editor-grid input,
.editor-grid select,
.editor-grid textarea {
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.98rem;
  transition: var(--transition-fast);
}

.editor-grid input:focus,
.editor-grid select:focus,
.editor-grid textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(191, 163, 107, 0.12);
}

.editor-grid input[type="color"] {
  height: 44px;
  padding: 3px;
  cursor: pointer;
}

.check-label {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 10px !important;
  cursor: pointer;
}

.check-label input {
  cursor: pointer;
  width: 18px;
  height: 18px;
}

/* Markdown Toolbar for Editor */
.editor-toolbar {
  display: flex;
  gap: 6px;
  background-color: var(--bg-base);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 6px 6px 0 0;
  border-bottom: none;
  margin-bottom: -8px;
  flex-wrap: wrap;
}

.editor-toolbar button {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-weight: bold;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.editor-toolbar button:hover {
  background-color: var(--bg-surface-soft);
  color: var(--text-main);
  border-color: var(--border-color-soft);
}

.body-editor-container {
  display: flex;
  flex-direction: column;
}

.body-editor {
  border-radius: 0 0 6px 6px !important;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  min-height: 480px;
  line-height: 1.6;
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.form-message {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 700;
}

.form-message[data-type="success"] {
  color: var(--color-emerald);
}

.form-message[data-type="error"] {
  color: var(--color-rust);
}

/* CMS Workspace and Split Layout */
.editor-workspace {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.editor-split-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

.editor-preview-column {
  position: sticky;
  top: 40px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

/* CMS Split Live Preview Panel */
.preview-panel {
  border-top: 1px solid var(--border-color-soft);
  margin-top: 24px;
  padding-top: 24px;
}

.preview-panel-header {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-gold-dark);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.preview-panel-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
  overflow-y: auto;
  max-height: calc(90vh - 40px);
}

/* Academic Search & Import Results styling */
.academic-search-results {
  margin-top: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-surface);
  max-height: 280px;
  overflow-y: auto;
  box-shadow: var(--shadow-md);
  position: absolute;
  width: calc(100% - 96px); /* account for list layout padding */
  z-index: 100;
}

/* Adjust relative container for absolute results */
.academic-import-section {
  position: relative;
}

.academic-search-result-item {
  width: 100%;
  padding: 14px 18px;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border-color-soft);
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: var(--transition-fast);
}

.academic-search-result-item:last-child {
  border-bottom: none;
}

.academic-search-result-item:hover {
  background-color: var(--bg-surface-soft);
}

.academic-search-result-item strong {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
}

.academic-search-result-item span {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  color: var(--text-light);
  font-weight: 600;
}

/* ==========================================================================
   RESPONSIVE OVERRIDES
   ========================================================================== */
@media (max-width: 1200px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 32px;
    text-align: center;
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-copy {
    margin-inline: auto;
  }
  
  .hero-actions, 
  .hero-chip-row {
    justify-content: center;
  }
  
  .hero-image {
    height: 400px;
  }
  
  .metrics-section {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 32px;
  }
  
  .route-explorer-card {
    grid-template-columns: 1fr;
    padding: 30px;
  }
  
  .essay-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .site-header {
    padding: 16px 24px;
  }
  
  .profile-card {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .profile-portrait,
  .profile-portrait-container {
    max-width: 320px;
    height: 350px;
    margin: 0 auto;
  }
  
  .timeline-container::before {
    left: 15px;
  }
  .timeline-item {
    padding-left: 50px;
  }
  .timeline-dot {
    left: 6px;
  }
  
  .contact-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .article-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .article-sidebar {
    position: static;
  }
  
  .login-panel {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .admin-layout {
    grid-template-columns: 1fr;
  }
  
  .post-list-panel {
    max-height: 280px;
  }
}

@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }
  
  .site-nav {
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }
  
  .site-nav a {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
  
  .theme-toggle {
    margin-left: auto;
  }
  
  .metrics-section {
    grid-template-columns: 1fr;
  }
  
  .research-layout {
    grid-template-columns: 1fr;
  }
  
  .essay-grid {
    grid-template-columns: 1fr;
  }
  
  .section-heading.split {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  
  .publication-controls {
    max-width: 100%;
  }
  
  .affiliation-grid {
    grid-template-columns: 1fr;
  }
  
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
  
  .site-footer {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .editor-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .button {
    width: 100%;
  }
  
  .contact-form {
    padding: 24px;
  }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */
.is-hidden {
  display: none !important;
}