/* Dark Theme */
:root {
  --bg-primary: hsl(220, 15%, 8%);
  --bg-secondary: hsl(220, 15%, 12%);
  --bg-accent: hsl(220, 15%, 20%);
  --text-primary: hsl(220, 15%, 85%);
  --text-secondary: hsl(220, 15%, 55%);
  --text-tertiary: hsl(220, 15%, 40%);
  --accent-primary: hsl(200, 100%, 50%);
  --border-color: hsl(220, 15%, 15%);
  --border-subtle: hsl(220, 15%, 18%);
  --shadow: 0 1px 3px 0 rgb(255 255 255 / 0.05), 0 1px 2px -1px rgb(255 255 255 / 0.05);
  
  --font-mono: 'SUSE Mono', 'Fira Code', 'Consolas', monospace;
  --font-sans: 'Inter', 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.2s ease, color 0.2s ease;
}


h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

/* Layout */
.container {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.page-content {
  min-height: calc(100vh - 80px);
  padding: 3rem 1rem;
}

.page-content > section {
  margin: 1.5rem 0 0 0;
}

.page-content > section > p {
  margin-top: 1em;
}

.page-content > section > h2,h3,h4 {
  margin-top: 1.5em;
}

/* pre code.hljs { */
/*   background: none; */
/* } */

/* Navigation */
.nav {
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: baseline;
  justify-content: start;
  gap: 1.5rem;
  padding: 2rem;
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.nav-logo:hover {
  color: var(--accent-primary)
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding-bottom: 0.25rem;
}

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

.nav-link.active {
  color: var(--accent-primary);
  border-bottom: 2px solid var(--accent-primary);
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover {
  background-color: var(--bg-accent);
  color: var(--text-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.375rem;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: 1rem;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu .nav-link {
  display: block;
  padding: 0.75rem 0;
}

/* Cards */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] .card:hover {
  box-shadow: 0 4px 6px -1px rgb(255 255 255 / 0.05), 0 2px 4px -2px rgb(255 255 255 / 0.05);
}

/* Blog Post Cards */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.blog-card {
  cursor: pointer;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  margin-bottom: 0.75rem;
}

.blog-meta-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.blog-title {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  transition: color 0.2s ease;
}

.blog-card:hover .blog-title {
  color: var(--accent-primary);
}

.blog-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.read-more {
  font-family: var(--font-mono);
  font-size: 0.800;
  color: var(--accent-primary);
}

/* Skills */
.skill-category {
  margin-bottom: 1.5rem;
}

.skill-category-title {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-badge {
  background-color: var(--bg-accent);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.2s ease;
}

.skill-badge:hover {
  background-color: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* Contact Cards */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.contact-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.contact-card:hover {
  border-color: var(--accent-primary);
  background-color: var(--bg-accent);
}

.contact-icon {
  width: 1rem;
  height: 1rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.contact-info {
  flex-grow: 1;
  min-width: 0;
}

.contact-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.875rem;
  display: block;
}

.contact-value {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background-color: hsl(210, 100%, 45%);
}

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

.btn-outline:hover {
  background-color: var(--bg-accent);
  border-color: var(--accent-primary);
}

/* Blog Post Content */
.blog-header {
  margin-bottom: 2rem;
}

.blog-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  padding: 2rem;
}

.blog-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.blog-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.blog-content p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

.blog-content ul, .blog-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.blog-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.blog-content pre {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  padding: 1rem;
  margin: 1rem 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.5;
}

.blog-content code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background-color: var(--bg-accent);
  padding: 0.125rem 0.25rem;
  border-radius: 0.25rem;
}

.blog-content pre code {
  background: none;
  padding: 0;
}

/* Responsive Design */
@media (min-width: 640px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  body {
    max-width: 70%;
    margin: 0 auto;
  }
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav-links {
    gap: 2rem;
  }
  
  .page-content {
    padding: 4rem;
  }
}

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav-container {
    flex-wrap: wrap;
  }
  
  .mobile-menu {
    width: 100%;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .nav-container {
    padding: 1rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.space-y-12 > * + * { margin-top: 3rem; }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }