/* ============================================
   TERMINAL AESTHETIC - Custom Theme
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap');

/* ============================================
   CSS Custom Properties (Dark Theme)
   ============================================ */
:root {
  /* Background colors */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-card: #1c2128;
  --bg-card-hover: #252c35;
  
  /* Text colors */
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  
  /* Accent colors */
  --accent-cyan: #58a6ff;
  --accent-green: #3fb950;
  --accent-purple: #bc8cff;
  --accent-amber: #f0c674;
  --accent-red: #f85149;
  
  /* Borders */
  --border-default: #30363d;
  --border-muted: #21262d;
  
  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow-cyan: 0 0 20px rgba(88, 166, 255, 0.3);
  --shadow-glow-purple: 0 0 20px rgba(188, 140, 255, 0.3);
  
  /* Typography */
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --content-width: 800px;
  --section-gap: 4rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================
   Base Overrides
   ============================================ */
html, body {
  background-color: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  font-family: var(--font-sans) !important;
  font-size: 16px;
  line-height: 1.7;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

/* Selection styling */
::selection {
  background-color: var(--accent-cyan);
  color: var(--bg-primary);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono) !important;
  font-weight: 500 !important;
  color: var(--text-primary) !important;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem !important; }
h2 { font-size: 1.5rem !important; }
h3 { font-size: 1.25rem !important; }

/* Terminal-style section headers */
.content h2::before {
  content: '> ';
  color: var(--accent-cyan);
  font-weight: 400;
}

.content h3::before {
  content: '$ ';
  color: var(--accent-green);
  font-weight: 400;
}

p, li {
  color: var(--text-secondary);
}

strong, b {
  color: var(--text-primary);
  font-weight: 600;
}

em {
  color: var(--text-secondary);
  font-style: italic;
}

/* ============================================
   Links
   ============================================ */
a {
  color: var(--accent-cyan) !important;
  text-decoration: none !important;
  border-bottom: none !important;
  position: relative;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-purple) !important;
}

/* Animated underline for content links */
.content a:not(.project-card):not(.social-link):not(.hero-link) {
  background-image: linear-gradient(var(--accent-cyan), var(--accent-cyan));
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--transition-normal), color var(--transition-fast);
}

.content a:not(.project-card):not(.social-link):not(.hero-link):hover {
  background-size: 100% 1px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 4rem 0;
  margin-bottom: var(--section-gap);
}

.hero-image {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border-default);
  box-shadow: var(--shadow-card);
  margin-bottom: 10px;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.hero-image:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.hero-name {
  font-size: 3rem !important;
  margin-bottom: 0.5rem !important;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Blinking cursor after name */
.hero-name::after {
  content: '_';
  color: var(--accent-cyan);
  animation: blink 1s step-end infinite;
  font-weight: 300;
}

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

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-secondary) !important;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.hero-tagline code {
  background: var(--bg-tertiary);
  padding: 0.2em 0.5em;
  border-radius: 4px;
  color: var(--accent-green);
  font-size: 0.9em;
}

/* Social Links Row */
.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-default) !important;
  border-bottom: 1px solid var(--border-default) !important;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary) !important;
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--bg-tertiary);
  border: 1px solid var(--accent-cyan) !important;
  border-bottom: 1px solid var(--accent-cyan) !important;
  color: var(--accent-cyan) !important;
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-2px);
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ============================================
   Section Styling
   ============================================ */
.section {
  margin-bottom: var(--section-gap);
}

.section-title {
  margin-bottom: 1.5rem !important;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-default);
}

/* Remove all horizontal rules */
.content hr {
  display: none !important;
}

/* ============================================
   Project Cards
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.project-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all var(--transition-normal);
  text-decoration: none !important;
}

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-glow-purple);
  transform: translateY(-4px);
}

.project-card-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-primary) !important;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-card-title::before {
  content: '→';
  color: var(--accent-purple);
  transition: transform var(--transition-fast);
}

.project-card:hover .project-card-title::before {
  transform: translateX(4px);
}

.project-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.project-card-tech {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background: var(--bg-tertiary);
  border-radius: 4px;
  color: var(--accent-amber);
}

/* ============================================
   Research Section
   ============================================ */
.research-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.research-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.research-item:last-child {
  border-bottom: none;
}

.research-link {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  display: block;
  margin-bottom: 0.5rem;
}

.research-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

.research-note::before {
  content: '// ';
  color: var(--accent-green);
}

/* ============================================
   Code Blocks
   ============================================ */
code, pre {
  font-family: var(--font-mono) !important;
}

code {
  background: var(--bg-tertiary) !important;
  color: var(--accent-amber) !important;
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.875em;
}

pre {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 1.25rem !important;
  overflow-x: auto;
}

pre code {
  background: transparent !important;
  padding: 0;
  color: var(--text-primary) !important;
}

/* ============================================
   Lists
   ============================================ */
.content ul, .content ol {
  padding-left: 1.5rem;
}

.content li {
  margin-bottom: 0.5rem;
}

.content li::marker {
  color: var(--accent-cyan);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--bg-secondary) !important;
  border-top: 1px solid var(--border-default);
  color: var(--text-muted) !important;
  padding: 2rem 0 !important;
  margin-top: auto;
}

.site-footer a {
  color: var(--text-secondary) !important;
}

.site-footer a:hover {
  color: var(--accent-cyan) !important;
}

/* ============================================
   Logo / Header
   ============================================ */
.logo, .logo h1 {
  color: var(--text-primary) !important;
  font-family: var(--font-mono) !important;
}

.logo:hover h1 {
  color: var(--accent-cyan) !important;
}

/* ============================================
   Page Wrapper
   ============================================ */
.post__wrapper {
  background: var(--bg-primary);
}

.post__header .post__title,
.post__header .page__title {
  display: none; /* Hide default title, we use hero instead */
}

.post__content {
  padding-top: 0 !important;
}

/* Contact section at bottom */
.post__contact {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem !important;
  margin-top: 3rem;
  border: 1px solid var(--border-default);
}

.post__contact::before {
  display: none;
}

.post__contact h4 {
  color: var(--text-primary) !important;
  font-family: var(--font-mono);
}

.post__contact p {
  color: var(--text-secondary);
}

.icon__list {
  margin-top: 1rem;
}

.icon__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--bg-tertiary);
  margin-right: 0.5rem;
  transition: all var(--transition-normal);
}

.icon__link:hover {
  background: var(--accent-cyan);
  transform: translateY(-2px);
}

.icon__link svg {
  width: 20px;
  height: 20px;
}

.icon__fill {
  fill: var(--text-secondary);
}

.icon__stroke {
  stroke: var(--text-secondary);
}

.icon__link:hover .icon__fill {
  fill: var(--bg-primary);
}

.icon__link:hover .icon__stroke {
  stroke: var(--bg-primary);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero {
  animation: fadeInUp 0.6s ease-out;
}

.section {
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.section:nth-child(1) { animation-delay: 0.1s; }
.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.3s; }
.section:nth-child(4) { animation-delay: 0.4s; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  :root {
    --section-gap: 3rem;
  }
  
  .hero-name {
    font-size: 2rem !important;
  }
  
  .hero-image {
    width: 200px;
    height: 200px;
  }
  
  .hero-tagline {
    font-size: 1rem;
    padding: 0 1rem;
  }
  
  .social-links {
    flex-direction: column;
    align-items: center;
  }
  
  .social-link {
    width: 100%;
    max-width: 200px;
    justify-content: center;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 5px;
}

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

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-default) var(--bg-secondary);
}

/* ============================================
   Minima Overrides
   ============================================ */
.wrapper {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.page-content {
  padding: 2rem 0 4rem;
  flex: 1;
}

.home {
  max-width: none;
}

/* Section title terminal prefix */
.section-title::before {
  content: '> ';
  color: var(--accent-cyan);
  font-weight: 400;
}

/* Footer styling */
.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.footer-text {
  color: var(--text-muted);
}

.footer-separator {
  color: var(--border-default);
}

.footer-link {
  color: var(--text-secondary) !important;
}

.footer-link:hover {
  color: var(--accent-cyan) !important;
}

/* Fix body layout for sticky footer */
body {
  display: flex;
  flex-direction: column;
}

/* Ensure main content fills space */
.page-content {
  flex: 1 0 auto;
}

.site-footer {
  flex-shrink: 0;
}

/* ============================================
   Blog Post List
   ============================================ */
.post-item {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.post-item:last-child {
  border-bottom: none;
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.post-link {
  font-family: var(--font-mono);
  font-size: 1rem;
}

/* Page header */
.post-header {
  margin-bottom: 2rem;
}

.post-title {
  margin-bottom: 0.5rem !important;
}

.post-content {
  margin-top: 1.5rem;
}

/* ============================================
   Individual Post Page
   ============================================ */
.post-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* ============================================
   Line Animation Canvas
   ============================================ */
#line-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Ensure content stays above canvas */
.page-content {
  position: relative;
  z-index: 1;
}

.site-footer {
  position: relative;
  z-index: 1;
}