/* CSS Variables - Light Theme */
:root {
  --background: #ffffff;
  --foreground: #000000;
  --muted: #f5f5f5;
  --muted-foreground: #666666;
  --border: #333333;
  --accent: #0066cc;
  --accent-foreground: #ffffff;
  --card: #ffffff;
  --card-foreground: #000000;
  --primary: #0066cc;
  --primary-foreground: #ffffff;
  --secondary: #f5f5f5;
  --secondary-foreground: #000000;
  --destructive: #cc0000;
  --destructive-foreground: #ffffff;
  --ring: #0066cc;
  --radius: 0.375rem;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-color: var(--border);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-mono);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--muted);
}

::-webkit-scrollbar-thumb {
  background: #999999;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Selection */
::selection {
  background: var(--accent);
  color: var(--accent-foreground);
}

/* Navigation */
.nav-bar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  background: none;
  border: none;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  cursor: pointer;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--accent);
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Hero Section */
.hero-section {
  padding-top: 80px;
  padding-bottom: 64px;
  padding-left: 1rem;
  padding-right: 1rem;
}

.hero-content {
  text-align: center;
  margin-bottom: 3rem;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--muted-foreground);
  margin-bottom: 2rem;
}

.typewriter-text {
  color: var(--foreground);
}

/* Console Window */
.console-window {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}

.console-window::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 30px;
  background: linear-gradient(90deg, #e0e0e0, #f0f0f0, #e0e0e0);
  opacity: 0.3;
}

@keyframes scanline {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.console-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  background: rgba(245, 245, 245, 0.5);
}

.console-buttons {
  display: flex;
  gap: 0.5rem;
}

.console-button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.console-button.red {
  background: #ef4444;
}

.console-button.yellow {
  background: #eab308;
}

.console-button.green {
  background: #22c55e;
}

.console-title {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
}

.console-prompt {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
}

.console-content {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.console-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.terminal-prompt {
  color: var(--accent);
  font-weight: bold;
}

.terminal-cursor {
  animation: blink 1s infinite;
  background: var(--accent);
  width: 2px;
  height: 1.2em;
  display: inline-block;
  margin-left: 2px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.command-text {
  color: var(--foreground);
}

.command-output {
  color: var(--muted-foreground);
  margin-left: 1rem;
  white-space: pre-line;
  margin-bottom: 1rem;
}

.console-hint {
  color: var(--muted-foreground);
  font-size: 0.75rem;
  margin-top: 1rem;
}

/* Research Interests */
.research-interests {
  background: linear-gradient(to right, rgba(0, 102, 204, 0.05), rgba(0, 102, 204, 0.02));
  border-color: rgba(0, 102, 204, 0.3);
}

.interests-label {
  margin-bottom: 0.75rem;
}

.interests-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.interest-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(0, 102, 204, 0.1);
  color: var(--accent);
  font-size: 0.875rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 102, 204, 0.3);
  transition: all 0.3s;
  cursor: default;
}

.interest-tag:hover {
  background: rgba(0, 102, 204, 0.2);
  border-color: rgba(0, 102, 204, 0.5);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1rem;
  text-align: center;
  transition: all 0.3s;
}

.stat-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.stat-icon {
  width: 32px;
  height: 32px;
  margin: 0 auto 0.5rem;
  stroke: var(--accent);
}

.stat-emoji {
  font-size: 2rem;
  display: block;
  margin: 0 auto 0.5rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
}

.text-green {
  color: #006600;
}

.text-blue {
  color: #0066cc;
}

.text-yellow {
  color: #cc9900;
}

.text-purple {
  color: #6600cc;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
}

/* Social Links */
.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.social-link {
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--accent);
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-link:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: scale(1.1) rotate(5deg);
}

/* Sections */
.section {
  padding: 5rem 1rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.section-description {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  max-width: 64rem;
  margin: 0 auto;
  line-height: 1.75;
  font-family: var(--font-mono);
}

/* CV Download Button */
.cv-download {
  margin-top: 2rem;
}

.cv-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: linear-gradient(to right, rgba(0, 102, 204, 0.1), rgba(0, 102, 204, 0.05));
  border: 2px solid rgba(0, 102, 204, 0.5);
  border-radius: 8px;
  transition: all 0.3s;
  text-decoration: none;
  color: inherit;
}

.cv-button:hover {
  border-color: var(--accent);
  background: linear-gradient(to right, rgba(0, 102, 204, 0.2), rgba(0, 102, 204, 0.1));
  transform: scale(1.05) translateY(-2px);
}

.cv-button svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
  animation: bounce 1.5s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.cv-button-text {
  text-align: left;
}

.cv-button-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent);
}

.cv-button-subtitle {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
}

.cv-button-indicator {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Publications */
.publications-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.publication-card {
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.publication-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.publication-status {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  border-radius: 4px;
}

.status-published {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
}

.status-accepted {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.publication-details {
  color: var(--muted-foreground);
  margin-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.publication-field {
  line-height: 1.6;
}

.text-accent {
  color: var(--accent);
}

.author-highlight {
  color: var(--accent);
  font-weight: 700;
}

.publication-abstract {
  font-size: 0.875rem;
}

.publication-links {
  display: flex;
  gap: 1rem;
  padding-top: 0.5rem;
}

.publication-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.publication-link:hover {
  color: rgba(0, 255, 65, 0.8);
}

.publication-link.disabled {
  color: var(--muted-foreground);
  cursor: not-allowed;
}

.publication-link svg {
  width: 16px;
  height: 16px;
}

/* Contact Section */
.contact-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact-field {
  margin-bottom: 1rem;
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.social-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.social-item-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-item-left svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
}

.social-link-text {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  transition: color 0.2s;
}

.social-link-text:hover {
  color: rgba(0, 255, 65, 0.8);
}

.action-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
  margin-bottom: 0.75rem;
}

.action-link:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: scale(1.02);
}

.action-link svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
}

/* Footer */
.footer {
  padding: 3rem 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.footer-description {
  color: var(--muted-foreground);
  max-width: 42rem;
  margin: 0 auto;
  font-family: var(--font-mono);
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.footer-social-link {
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--accent);
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-social-link:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: scale(1.1) rotate(5deg);
}

.footer-social-link svg {
  width: 20px;
  height: 20px;
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
}

/* Utility Classes */
.mb-8 {
  margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}