/* CSS Custom Properties - Variables */
:root {
  /* Colors - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --accent-light: #0d9488;
  --accent-light-hover: #0f766e;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Fonts */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Lora', Georgia, serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --accent-dark: #14b8a6;
  --accent-dark-hover: #0d9488;
  --border-color: #334155;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.25);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
}

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

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 80px;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}



/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

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

[data-theme="dark"] a {
  color: var(--accent-dark);
}

a:hover {
  color: var(--accent-light-hover);
}

[data-theme="dark"] a:hover {
  color: var(--accent-dark-hover);
}

/* Header */
.site-header {
  background-color: transparent;
  border-bottom: 1px solid transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Remove transparent border when glass effect is applied to prevent visual artifacts */
/* Glass effect when scrolling */
.site-header.glass-effect {
  background-color: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px) saturate(180%) brightness(1.1);
  -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(1.1);
  box-shadow: 0 4px 16px rgba(31, 38, 135, 0.1);
}

[data-theme="dark"] .site-header.glass-effect {
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px) saturate(180%) brightness(1.1);
  -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(1.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-sm);
  max-width: 1200px;
  margin: 0 auto;
}

.navbar-brand .site-title {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Dark theme - no hover effect on header site title */
[data-theme="dark"] .navbar-brand .site-title:hover {
  color: var(--text-primary) !important;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-light);
  background-color: var(--bg-tertiary);
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
  color: var(--accent-dark);
  background-color: var(--bg-tertiary);
}

/* Dark theme menu text override */
[data-theme="dark"] .nav-link {
  color: white;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .header-actions {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md); /* Add separation from menu */
  }
  
  .search-panel-elegant > div {
    width: 90%;
    margin: var(--spacing-sm);
  }
}

.search-toggle,
.theme-toggle {
  background: none;
  border: none;
  padding: var(--spacing-md);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  position: relative;
  z-index: 10;
}

.search-toggle:hover,
.theme-toggle:hover {
  color: var(--accent-light);
  background-color: var(--bg-tertiary);
}

.search-toggle svg,
.theme-toggle svg {
  pointer-events: none;
}

[data-theme="dark"] .search-toggle:hover,
[data-theme="dark"] .theme-toggle:hover {
  color: var(--accent-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 3px;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-normal);
}

/* Featured Post */
.featured-post {
  margin: var(--spacing-xl) 0;
}

.featured-article {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  position: relative;
  display: block;
}

.featured-article:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.featured-text {
  padding: var(--spacing-xl);
}

.featured-label {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-light-hover));
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-md);
}

.featured-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

/* Featured title color since no longer inside a tag */
.featured-title {
  color: var(--text-primary);
}

/* Featured title hover when clicking anywhere on card */
.featured-article:hover .featured-title {
  color: var(--accent-light);
}

[data-theme="dark"] .featured-article:hover .featured-title {
  color: var(--accent-dark);
}



.featured-excerpt {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-tertiary);
  font-size: 0.875rem;
  font-weight: 500;
}

.meta-item svg {
  stroke-width: 2;
}

.featured-read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--accent-light);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.featured-read-more:hover {
  /* No animation - only animate when hovering over entire card */
}

.featured-read-more svg {
  transition: transform var(--transition-fast);
}

.featured-article:hover .featured-read-more svg {
  transform: none !important;
}

/* Dark theme uses same arrow animation as light theme - no special rule needed */

[data-theme="dark"] .featured-read-more:hover {
  /* No style changes - only arrow moves */
}

.featured-image {
  height: 100%;
  min-height: 400px;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.featured-article:hover .featured-image img {
  transform: scale(1.05);
}

/* Posts Grid */
.latest-posts {
  margin: var(--spacing-xxl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-light), var(--accent-light-hover));
  border-radius: var(--radius-sm);
}

[data-theme="dark"] .section-header h2::after {
  background: linear-gradient(90deg, var(--accent-dark), var(--accent-dark-hover));
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  align-items: start;
}

.post-card {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  /* Ensure all cards have consistent height in grid */
  min-height: 400px;
  /* Force proper alignment for all cards */
  justify-content: flex-start;
}

.post-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  height: 100%;
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.post-card:hover .post-card-title {
  color: var(--accent-light);
}

[data-theme="dark"] .post-card:hover .post-card-title {
  color: var(--accent-dark);
}

.post-card-image {
  height: 200px;
  overflow: hidden;
}

.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.post-card:hover .post-card-image img {
  transform: scale(1.05);
}

.post-card-content {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
  /* Ensure proper alignment for multiline titles */
  min-height: 2.6em;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  /* Fallback for non-webkit browsers */
  max-height: 2.6em;
  text-overflow: ellipsis;
  display: -webkit-box;
  display: -moz-box;
  display: box;
}

.post-card-title a {
  color: var(--text-primary);
}

.post-card-title a:hover {
  color: var(--accent-light);
}

[data-theme="dark"] .post-card-title a:hover {
  color: var(--accent-dark);
}

.post-card-excerpt {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  /* Fallback for non-webkit browsers */
  max-height: 6.4em;
  text-overflow: ellipsis;
  /* Ensure consistent height even with minimal content */
  min-height: 6.4em;
}

.post-card-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: auto;
  padding-top: var(--spacing-sm);
}

.post-card-date {
  margin-top: var(--spacing-sm);
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.post-card-date time {
  background-color: var(--bg-tertiary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  display: inline-block;
}

.post-card-read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--accent-light);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: var(--spacing-sm);
}

[data-theme="dark"] .post-card-read-more {
  color: var(--accent-dark);
}

.post-card-read-more svg {
  transition: transform var(--transition-fast);
}

.post-card:hover .post-card-read-more svg {
  transform: translateX(2px);
}

.load-more-container {
  text-align: center;
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: linear-gradient(135deg, var(--accent-light), var(--accent-light-hover));
  color: var(--bg-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  font-size: 0.875rem;
}

.load-more-btn:hover {
  gap: var(--spacing-sm);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--bg-primary);
}

[data-theme="dark"] .load-more-btn {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent-dark-hover));
  color: white;
}

[data-theme="dark"] .load-more-btn:hover {
  color: white;
}

/* Elegant Centered Search Modal */
.search-panel-elegant {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  will-change: opacity, visibility;
}

.search-panel-elegant.active {
  opacity: 1;
  visibility: visible;
}

.search-panel-elegant > div {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.search-panel-elegant.active > div {
  transform: scale(1);
}

.search-panel-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.search-input-elegant {
  flex: 1;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.search-input-elegant:focus {
  outline: none;
  border-color: var(--accent-light);
  box-shadow: 0 0 0 2px rgba(74, 107, 193, 0.2);
}

.search-close-elegant {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 24px;
  font-weight: 500;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-close-elegant:hover {
  background-color: var(--bg-tertiary);
  color: var(--accent-light);
  transform: scale(1.1);
}

.search-results-elegant {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: scroll;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

.search-results-elegant::-webkit-scrollbar {
  display: none; /* Chrome, Safari and Opera */
}

.search-info-elegant {
  padding: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.search-close-fullscreen {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.search-close-fullscreen:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.search-result-item-elegant {
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
}

.search-result-item-elegant:hover {
  background-color: var(--bg-secondary);
  border-color: var(--accent-light);
}

.search-result-title-elegant {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.search-result-excerpt-elegant {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

.search-result-meta-elegant {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.625rem;
  color: var(--text-tertiary);
}

.search-result-date-elegant,
.search-result-time-elegant {
  background-color: var(--bg-tertiary);
  padding: 2px var(--spacing-xs);
  border-radius: var(--radius-xs);
}

.no-results-elegant {
  text-align: center;
  color: var(--text-secondary);
  padding: var(--spacing-xl);
  font-size: 0.75rem;
  font-style: italic;
}

mark {
  background-color: var(--accent-light);
  color: white;
  padding: 2px 4px;
  border-radius: 2px;
}

.search-modal.active {
  display: flex;
}

.search-modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.search-modal-content {
  position: relative;
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.search-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.search-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.search-close:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.search-input-container {
  padding: var(--spacing-md);
}

.search-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-light);
}

[data-theme="dark"] .search-input:focus {
  border-color: var(--accent-dark);
}

.search-results {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.search-info {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-md);
}

.search-no-results {
  text-align: center;
  color: var(--text-tertiary);
  padding: var(--spacing-xl);
}

.search-result-item {
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

.search-result-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.search-result-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Footer */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
}

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

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-link {
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-separator {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  opacity: 0.6;
}

.footer-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.copyright {
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 35rem;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-light-hover));
  color: white;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
  z-index: 1000;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .back-to-top {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent-dark-hover));
}

/* Single Post */
.single-post {
  min-height: 60vh;
}

.post-header {
  margin-bottom: var(--spacing-xl);
}

.post-featured-image {
  width: 100%;
  height: 400px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.post-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-meta-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  margin-bottom: var(--spacing-lg);
}

.post-meta-under-image {
  text-align: center;
  margin-top: var(--spacing-md);
}

.post-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0;
}

.post-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.post-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  width: 100%; /* Ensure content doesn't exceed container */
}

.content-wrapper {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.content-wrapper h2,
.content-wrapper h3,
.content-wrapper h4 {
  color: var(--text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.content-wrapper p {
  margin-bottom: var(--spacing-md);
}

.content-wrapper a {
  font-weight: 600;
}

/* Responsive content images */
.content-wrapper img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-md);
  display: block;
}

.content-wrapper blockquote {
  border-left: 4px solid var(--accent-light);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--text-secondary);
}

[data-theme="dark"] .content-wrapper blockquote {
  border-left-color: var(--accent-dark);
}

.post-footer {
  background-color: var(--bg-secondary);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
}

.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.post-nav {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

.post-nav:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.post-nav-prev {
  text-align: right;
}

.post-nav-direction {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.post-nav-title {
  color: var(--text-primary);
  font-weight: 600;
}

.post-nav:hover .post-nav-title {
  color: var(--accent-light);
}

[data-theme="dark"] .post-nav:hover .post-nav-title {
  color: var(--accent-dark);
}

/* Page Header */
.page-header {
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  color: var(--text-tertiary);
  font-size: 1.125rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
  gap: var(--spacing-sm);
  list-style: none;
  margin: 0;
  flex-wrap: wrap;
}

.pagination .page-item {
  display: block;
}

.pagination .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  margin: 0 2px;
  background-color: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1;
}

.pagination .page-link:hover:not(.disabled) {
  background-color: var(--accent-light);
  color: white;
  border-color: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.2);
}

[data-theme="dark"] .pagination .page-link:hover:not(.disabled) {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  box-shadow: 0 2px 8px rgba(20, 184, 166, 0.3);
}

.pagination .page-item.active .page-link {
  background-color: var(--accent-light);
  color: white;
  border-color: var(--accent-light);
  font-weight: 600;
}

[data-theme="dark"] .pagination .page-item.active .page-link {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
}

.pagination .page-item.disabled .page-link {
  background-color: var(--bg-secondary);
  color: var(--text-tertiary);
  border-color: var(--border-color);
  cursor: not-allowed;
  opacity: 0.5;
}

.pagination .page-link[aria-label="First"]::before,
.pagination .page-link[aria-label="Last"]::after {
  content: '';
  width: 4px;
  height: 4px;
  background-color: currentColor;
  border-radius: 50%;
  margin: 0 2px;
  display: inline-block;
}

.pagination-info {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  text-align: center;
  margin-top: var(--spacing-md);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .nav-toggle {
    display: flex;
  }
  
  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-primary);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
    transition: right var(--transition-normal);
    z-index: 101;
  }
  
  .navbar-menu.active {
    right: 0;
  }
  
  .nav-list {
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
  }
  
  .nav-link {
    display: block;
    padding: var(--spacing-md);
    text-align: center;
  }
  
  .header-actions {
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
  }
  
  .featured-content {
    grid-template-columns: 1fr;
  }
  
  .featured-image {
    order: -1;
    height: 250px;
  }
  
  .featured-title {
    font-size: 1.75rem;
  }
  
  .posts-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .post-navigation {
    grid-template-columns: 1fr;
  }
  
  .search-modal-content {
    margin: var(--spacing-sm);
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .pagination {
    gap: var(--spacing-xs);
  }
  
  .pagination .page-link {
    min-width: 40px;
    height: 40px;
    font-size: 0.8rem;
    margin: 0 1px;
  }
}

@media (max-width: 480px) {
  .featured-text {
    padding: var(--spacing-md);
  }
  
  .featured-title {
    font-size: 1.5rem;
  }
  
  .post-content {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .content-wrapper {
    font-size: 1rem;
  }
}

/* Theme Toggle Animation */
.moon-icon {
  display: none;
}

[data-theme="dark"] .sun-icon {
  display: none;
}

[data-theme="dark"] .moon-icon {
  display: block;
}

/* Mobile Menu Animation */
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* 404 Error Page Styles */
.page-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-primary);
}

.error-container {
  text-align: center;
  padding: var(--spacing-xl);
  max-width: 600px;
}

.error-number {
  font-size: 8rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: var(--spacing-md);
  line-height: 1;
}

[data-theme="dark"] .error-number {
  color: var(--accent-dark);
}

.error-title {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-family: var(--font-secondary);
}

.error-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.error-button {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--accent-light), var(--accent-light-hover));
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .error-button {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent-dark-hover));
  color: white;
}

.error-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white !important;
}

/* Responsive Design for 404 */
@media (max-width: 768px) {
  .error-container {
    padding: var(--spacing-lg);
  }
  
  .error-number {
    font-size: 6rem;
  }
  
  .error-title {
    font-size: 2rem;
  }
  
  .error-description {
    font-size: 1rem;
  }
}

/* Mobile Responsive Design */
@media (max-width: 480px) {
  .back-to-top {
    width: 56px;
    height: 56px;
    bottom: 1rem;
    right: 1rem;
  font-size: 1.125rem;
  }
  
  .back-to-top svg {
    width: 24px;
    height: 24px;
  }
}