/* ==========================================================================
   DR. GREESHMA K V - ACADEMIC & RESEARCH PORTFOLIO
   Design System: Cyber-Academic Glassmorphism & 3D Interactive UI
   Location: public_html/css/style.css
   ========================================================================== */

:root {
  /* Color Palette - Dark Futuristic Mode (Default) */
  --bg-primary: #070913;
  --bg-secondary: #0e1224;
  --bg-card: rgba(18, 24, 48, 0.65);
  --bg-card-hover: rgba(28, 38, 76, 0.85);
  --bg-glass: rgba(14, 18, 36, 0.7);
  --bg-pill: rgba(99, 102, 241, 0.12);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-glow: rgba(99, 102, 241, 0.35);
  --border-cyan: rgba(6, 182, 212, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-gradient: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #818cf8 100%);
  --text-glow-gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);

  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --glow-indigo: 0 0 35px rgba(99, 102, 241, 0.3);
  --glow-cyan: 0 0 30px rgba(6, 182, 212, 0.3);
  --glow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.8);
  --bg-pill: rgba(79, 70, 229, 0.08);

  --border-color: rgba(226, 232, 240, 0.9);
  --border-color-glow: rgba(79, 70, 229, 0.3);
  --border-cyan: rgba(2, 132, 199, 0.3);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #4338ca 100%);
  --text-glow-gradient: linear-gradient(135deg, #0284c7 0%, #4f46e5 60%, #7c3aed 100%);

  --glow-indigo: 0 0 30px rgba(79, 70, 229, 0.15);
  --glow-cyan: 0 0 25px rgba(2, 132, 199, 0.15);
  --glow-card: 0 15px 35px -10px rgba(0, 0, 0, 0.08);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* 3D WebGL Canvas Container */
#webgl-canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.95;
}

/* Background Ambient Glow Orbs */
.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(140px);
  opacity: 0.22;
  transition: opacity 0.5s ease;
}

.glow-top-left {
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, #6366f1, #3b82f6);
}

.glow-bottom-right {
  bottom: 0;
  right: -100px;
  background: radial-gradient(circle, #06b6d4, #a855f7);
}

/* App Container */
.app-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.text-gradient {
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-glow {
  background: var(--text-glow-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.font-mono {
  font-family: var(--font-mono);
}

/* Buttons & Interactive Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #4f46e5 0%, #3b82f6 50%, #06b6d4 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.45);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.65);
}

.btn-secondary {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-glow);
  transform: translateY(-2px);
  box-shadow: var(--glow-indigo);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color-glow);
}

.btn-outline:hover {
  background: var(--bg-pill);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Glassmorphism Card System */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--glow-card);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: var(--border-color-glow);
  box-shadow: var(--glow-indigo), var(--glow-card);
  transform: translateY(-4px);
}

/* 3D Tilt Card Base */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.4);
}

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

.brand-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--accent-indigo);
  object-fit: cover;
}

.brand-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.brand-badge {
  font-size: 0.68rem;
  font-weight: 600;
  background: var(--bg-pill);
  color: var(--accent-cyan);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-indigo));
  border-radius: 2px;
}

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

.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-indigo);
  transform: rotate(20deg);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  padding-top: 125px;
  padding-bottom: 70px;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-pill);
  border: 1px solid var(--border-color-glow);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 22px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0.7); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 16px;
  font-weight: 800;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-typewriter {
  color: var(--accent-cyan);
  border-right: 2px solid var(--accent-cyan);
  padding-right: 4px;
  animation: blinkCursor 0.8s infinite;
}

@keyframes blinkCursor {
  0%, 100% { border-color: transparent; }
  50% { border-color: var(--accent-cyan); }
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 30px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.hero-affiliation {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.affiliation-icon {
  font-size: 1.3rem;
  color: var(--accent-indigo);
}

/* Hero 3D Profile Hologram Card */
.hero-visual-card {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-card-3d {
  position: relative;
  width: 360px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color-glow);
  box-shadow: var(--glow-indigo), var(--glow-card);
  padding: 20px;
  overflow: hidden;
  transition: transform 0.2s ease-out;
}

.profile-img-wrap {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-color);
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.6s ease;
}

.profile-card-3d:hover .profile-img {
  transform: scale(1.05);
}

.profile-badge-overlay {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(10, 13, 24, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color-glow);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.profile-badge-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
}

.profile-badge-sub {
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

.floating-badge {
  position: absolute;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color-glow);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
  animation: float 4s ease-in-out infinite;
}

.badge-top-left {
  top: 10px;
  left: -20px;
  animation-delay: 0s;
}

.badge-bottom-right {
  bottom: 20px;
  right: -25px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Impact Metrics Grid */
.metrics-section {
  padding: 30px 0 60px;
  position: relative;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 18px;
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  transition: var(--transition-smooth);
}

.metric-card:hover {
  border-color: var(--accent-indigo);
  transform: translateY(-4px);
  box-shadow: var(--glow-indigo);
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
  background: var(--text-glow-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-pill {
  display: inline-block;
  background: var(--bg-pill);
  border: 1px solid var(--border-cyan);
  color: var(--accent-cyan);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.section-description {
  font-size: 1.02rem;
  color: var(--text-secondary);
}

/* Education Section Styles */
.education-section {
  padding: 70px 0;
}

.education-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.edu-card {
  padding: 24px;
  transition: var(--transition-smooth);
}

.edu-header {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.edu-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.edu-degree {
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 800;
}

.edu-inst {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.edu-thesis-box {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-top: 14px;
}

.ugc-net-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.ugc-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* About & Vision Section */
.about-section {
  padding: 70px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: 18px;
}

.about-highlights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 24px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-pill);
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
}

.highlight-icon {
  font-size: 1.2rem;
  color: var(--accent-indigo);
  margin-top: 2px;
}

.highlight-text h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.highlight-text p {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

/* API Score 3D Spotlight */
.api-score-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.api-poster-card {
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.7), rgba(15, 23, 42, 0.9));
  border: 1px solid var(--border-color-glow);
  padding: 16px;
  box-shadow: var(--glow-indigo), var(--glow-card);
  transition: transform 0.4s ease;
}

.api-poster-card:hover {
  transform: scale(1.02) rotateY(4deg);
}

.api-poster-img {
  width: 100%;
  border-radius: var(--radius-md);
  display: block;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.api-meta-badge {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.score-badge {
  font-size: 1.25rem;
  font-weight: 800;
  color: #10b981;
}

/* Research Pillars Section */
.research-section {
  padding: 70px 0;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 24px;
}

.research-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.research-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(6, 182, 212, 0.25);
}

.research-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.research-title {
  font-size: 1.28rem;
  margin-bottom: 10px;
}

.research-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.research-tag {
  background: var(--bg-pill);
  color: var(--text-secondary);
  font-size: 0.74rem;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

/* Publications, Patents & Copyrights Section */
.publications-section {
  padding: 70px 0;
}

.pub-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.pub-tabs {
  display: flex;
  gap: 6px;
  background: var(--bg-card);
  padding: 5px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.pub-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.pub-tab-btn.active, .pub-tab-btn:hover {
  background: var(--accent-indigo);
  color: #ffffff;
}

.pub-search-box {
  position: relative;
  min-width: 280px;
  flex: 1;
  max-width: 360px;
}

.pub-search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 10px 18px 10px 40px;
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition-smooth);
}

.pub-search-input:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

.pub-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.pub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pub-card:hover {
  border-color: var(--border-color-glow);
  transform: translateX(4px);
  background: var(--bg-card-hover);
}

.pub-card.patent-card-highlight {
  border-left: 4px solid var(--accent-cyan);
}

.pub-card.granted-patent {
  border-left: 4px solid #10b981;
}

.pub-card.copyright-highlight {
  border-left: 4px solid var(--accent-pink);
}

.pub-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.pub-title {
  font-size: 1.15rem;
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.4;
}

.pub-badge {
  background: var(--bg-pill);
  color: var(--accent-cyan);
  border: 1px solid var(--border-cyan);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge-granted {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.4);
}

.badge-copyright {
  background: rgba(236, 72, 153, 0.15);
  color: #f472b6;
  border-color: rgba(236, 72, 153, 0.4);
}

.pub-meta {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.pub-venue {
  color: var(--accent-indigo);
  font-weight: 600;
}

.patent-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
  background: rgba(0, 0, 0, 0.2);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
  margin: 4px 0;
}

.patent-meta-item strong {
  color: var(--text-primary);
}

.pub-abstract {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.pub-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 12px;
}

.pub-citation-count {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #10b981;
}

.pub-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Teaching & Academic Experience Timeline */
.teaching-section {
  padding: 70px 0;
}

.timeline-container {
  position: relative;
  margin: 40px 0 60px;
  padding-left: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 10px;
  width: 2px;
  background: linear-gradient(180deg, #10b981 0%, #6366f1 50%, #06b6d4 100%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-indigo);
  border: 2px solid #ffffff;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.8);
  transition: var(--transition-smooth);
}

.timeline-dot.current-dot {
  background: #10b981;
  box-shadow: 0 0 15px #10b981;
  animation: pulse 2s infinite;
}

.timeline-card {
  padding: 24px;
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.timeline-item.current-item .timeline-card {
  border-color: rgba(16, 185, 129, 0.4);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.06), rgba(18, 24, 48, 0.75));
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.timeline-role {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--text-primary);
}

.timeline-dept {
  font-size: 0.92rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-top: 2px;
}

.timeline-inst {
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.timeline-badge-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.timeline-period-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-pill);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Teaching Courses Grid */
.teaching-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-smooth);
}

.course-card:hover {
  border-color: var(--accent-purple);
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(168, 85, 247, 0.2);
}

.course-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-bottom: 6px;
}

.course-title {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.course-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Contact & Collaboration Section */
.contact-section {
  padding: 70px 0 90px;
}

.contact-box {
  background: linear-gradient(135deg, rgba(20, 26, 54, 0.8) 0%, rgba(10, 13, 26, 0.95) 100%);
  border: 1px solid var(--border-color-glow);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--glow-indigo), var(--glow-card);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-secondary);
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-pill);
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input, .form-textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.35);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 36px 0;
  background: var(--bg-primary);
  font-size: 0.86rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.social-link:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card-hover);
  backdrop-filter: blur(16px);
  border: 1px solid #10b981;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 9999;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-subtitle, .hero-cta-group, .hero-affiliation {
    justify-content: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .nav-links {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .section-title {
    font-size: 1.9rem;
  }
  .glass-card {
    padding: 20px;
  }
  .contact-box {
    padding: 24px;
  }
  .pub-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .pub-search-box {
    min-width: 100%;
  }
  .timeline-container {
    padding-left: 20px;
  }
}