/* Modern XKlondike Theme System */
:root {
  /* Light Theme Colors */
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #06b6d4;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.5);
  
  /* Text Colors */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  /* Border Colors */
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-dark: #94a3b8;
  
  /* Shadow */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Monaco', 'Cascadia Code', monospace;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --bg-overlay: rgba(0, 0, 0, 0.7);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #1e293b;
  
  --border-light: #334155;
  --border-medium: #475569;
  --border-dark: #64748b;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* Modern Header */
.modern-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.modern-header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Modern CSS Logo */
.modern-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.modern-logo:hover {
  background: var(--bg-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.logo-icon {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-shape {
  position: absolute;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.logo-shape-1 {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  transform: rotate(0deg);
  z-index: 3;
}

.logo-shape-2 {
  width: 28px;
  height: 28px;
  background: linear-gradient(225deg, var(--accent-color), #06d6f4);
  transform: rotate(45deg);
  opacity: 0.8;
  z-index: 2;
}

.logo-shape-3 {
  width: 24px;
  height: 24px;
  background: linear-gradient(315deg, #06d6f4, var(--primary-color));
  transform: rotate(90deg);
  opacity: 0.6;
  z-index: 1;
}

.modern-logo:hover .logo-shape-1 {
  transform: rotate(180deg) scale(1.1);
}

.modern-logo:hover .logo-shape-2 {
  transform: rotate(225deg) scale(1.05);
}

.modern-logo:hover .logo-shape-3 {
  transform: rotate(270deg) scale(1.02);
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all var(--transition-normal);
}

.logo-subtitle {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-fast);
}

.modern-logo:hover .logo-title {
  background: linear-gradient(135deg, var(--accent-color), #06d6f4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modern-logo:hover .logo-subtitle {
  color: var(--primary-color);
}

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

.modern-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
  align-items: center;
}

.modern-nav-item {
  position: relative;
}

.modern-nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.modern-nav-link:hover {
  color: var(--primary-color);
  background: var(--bg-secondary);
}

.modern-nav-link.active {
  color: var(--primary-color);
  background: var(--bg-secondary);
}

/* Modern Dropdown */
.modern-dropdown {
  position: relative;
}

.modern-dropdown-toggle {
  cursor: pointer;
}

.modern-dropdown-toggle i:last-child {
  transition: transform var(--transition-fast);
  font-size: 0.75rem;
}

.modern-dropdown:hover .modern-dropdown-toggle i:last-child {
  transform: rotate(180deg);
}

.modern-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
  padding: var(--spacing-sm);
}

.modern-dropdown:hover .modern-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.modern-dropdown-item {
  position: relative;
}

.modern-category-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.modern-category-link:hover {
  background: var(--bg-secondary);
  color: var(--primary-color);
  transform: translateX(4px);
}

.modern-submenu {
  margin-left: var(--spacing-md);
  border-left: 2px solid var(--border-light);
  padding-left: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.modern-submenu .modern-category-link {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--text-primary);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  transform: scale(1.05);
}

/* Modern Card Component */
.modern-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

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

.modern-card-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.modern-card:hover .modern-card-image {
  transform: scale(1.02);
}

.modern-card-content {
  padding: var(--spacing-lg);
}

.modern-card-date {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--bg-secondary);
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.modern-card-category {
  display: inline-block;
  background: var(--primary-color);
  color: var(--text-inverse);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  text-decoration: none;
}

.modern-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.modern-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.modern-card-title a:hover {
  color: var(--primary-color);
}

.modern-card-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.modern-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-light);
}

.modern-card-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Elegant Read More Button */
.modern-read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--text-inverse);
  text-decoration: none;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.025em;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.modern-read-more::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.modern-read-more:hover::before {
  left: 100%;
}

.modern-read-more:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--text-inverse);
  text-decoration: none;
}

.modern-read-more-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.modern-read-more:hover .modern-read-more-icon {
  transform: translateX(4px);
}

.modern-read-more-icon i {
  font-size: 0.75rem;
}

/* Modern Button */
.btn-modern {
  background: var(--primary-color);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  font-size: 0.875rem;
}

.btn-modern:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--text-inverse);
  text-decoration: none;
}

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

.btn-modern-outline:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
}

/* Modern Typography */
.modern-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.modern-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.modern-text {
  color: var(--text-secondary);
  line-height: 1.6;
}

.modern-text-muted {
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

.modern-grid {
  display: grid;
  gap: var(--spacing-xl);
}

.modern-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.modern-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Modern Search */
.modern-search {
  background: var(--bg-card);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--border-light);
}

.modern-search-form {
  display: flex;
  max-width: 600px;
  margin: 0 auto;
  gap: var(--spacing-sm);
}

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

.modern-search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.modern-search-input::placeholder {
  color: var(--text-muted);
}

/* Main Content Area */
.modern-main {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-2xl) 0;
}

/* Modern Footer */
.modern-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: var(--spacing-xl) 0;
  margin-top: auto;
}

.modern-footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.modern-footer-text {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.modern-footer-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.modern-footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.modern-footer-link:hover {
  color: var(--primary-color);
}

/* Modern Pagination */
.modern-pagination {
  margin-top: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.modern-pagination-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.modern-pagination-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  justify-content: center;
}

.modern-pagination-pages {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.modern-pagination-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  min-width: 40px;
  justify-content: center;
}

.modern-pagination-link:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.modern-pagination-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-color);
  color: var(--text-inverse);
  border-radius: var(--radius-md);
  font-weight: 600;
  min-width: 40px;
}

.modern-pagination-ellipsis {
  padding: var(--spacing-sm);
  color: var(--text-muted);
}

.modern-pagination-info {
  text-align: center;
}

/* Empty State */
.modern-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  text-align: center;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.modern-empty-state i {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.modern-empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.modern-empty-state p {
  font-size: 1rem;
  margin: 0;
}

/* Posts Section */
.modern-posts-section {
  min-height: 400px;
}

.modern-card-image-container {
  position: relative;
  overflow: hidden;
}

.modern-card-date {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  background: var(--bg-card);
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.modern-card-meta-top {
  margin-bottom: var(--spacing-sm);
}

/* Modern Post Detail */
.modern-post-detail {
  max-width: 800px;
  margin: 0 auto;
}

.modern-post-header {
  margin-bottom: var(--spacing-2xl);
}

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

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

.modern-post-image:hover img {
  transform: scale(1.02);
}

.modern-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.modern-breadcrumb-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.modern-breadcrumb-link:hover {
  color: var(--primary-color);
}

.modern-breadcrumb i {
  font-size: 0.75rem;
  opacity: 0.5;
}

.modern-post-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.modern-post-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.modern-post-author,
.modern-post-date,
.modern-post-category {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.modern-post-category a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.modern-post-category a:hover {
  text-decoration: underline;
}

.modern-post-content {
  margin-bottom: var(--spacing-2xl);
}

.modern-prose {
  line-height: 1.8;
  font-size: 1.125rem;
  color: var(--text-primary);
}

.modern-prose h1, .modern-prose h2, .modern-prose h3, 
.modern-prose h4, .modern-prose h5, .modern-prose h6 {
  color: var(--text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.modern-prose h2 { font-size: 1.875rem; }
.modern-prose h3 { font-size: 1.5rem; }
.modern-prose h4 { font-size: 1.25rem; }

.modern-prose p {
  margin-bottom: var(--spacing-md);
}

.modern-prose a {
  color: var(--primary-color);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  transition: all var(--transition-fast);
}

.modern-prose a:hover {
  text-decoration-thickness: 3px;
}

.modern-prose code {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.25em 0.5em;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.875em;
}

.modern-prose pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

.modern-prose pre code {
  background: none;
  padding: 0;
}

.modern-prose blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.modern-download-section {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-xl);
}

/* Comments Section */
.modern-comments-section {
  border-top: 1px solid var(--border-light);
  padding-top: var(--spacing-2xl);
}

.modern-section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
}

.modern-comment-form {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.modern-comment-form h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.modern-form-group {
  margin-bottom: var(--spacing-lg);
}

.modern-form-group textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--spacing-md);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.6;
  resize: vertical;
  transition: border-color var(--transition-fast);
}

.modern-form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.modern-rate-limit {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: #fef3cd;
  color: #856404;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

[data-theme="dark"] .modern-rate-limit {
  background: #2d1810;
  color: #f59e0b;
}

.modern-login-prompt {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  justify-content: center;
}

.modern-login-prompt a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.modern-login-prompt a:hover {
  text-decoration: underline;
}

.modern-comments-list {
  margin-bottom: var(--spacing-2xl);
}

.modern-comment {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border-light);
}

.modern-comment:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.modern-comment-avatar {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.5rem;
}

.modern-comment-content {
  flex: 1;
}

.modern-comment-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.modern-comment-author {
  color: var(--text-primary);
  font-weight: 600;
}

.modern-comment-date {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.modern-reply-btn {
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: 0.875rem;
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modern-reply-btn:hover {
  background: var(--bg-secondary);
}

.modern-comment-text {
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.modern-reply-form {
  margin-top: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: none;
}

.modern-reply-form.active {
  display: block;
}

.modern-replies {
  margin-left: var(--spacing-2xl);
  border-left: 2px solid var(--border-light);
  padding-left: var(--spacing-lg);
}

.modern-reply {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.modern-no-comments {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

.modern-no-comments i {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

.modern-rate-limit-small {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-muted);
  font-size: 0.875rem;
  background: var(--bg-tertiary);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
}

/* Ultra-Modern Comments System */
.ultra-modern-comments {
  margin-top: var(--spacing-2xl);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comments-header {
  padding: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
}

.comments-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.comments-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
}

.comments-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.2;
}

.comments-count {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0;
  font-weight: 500;
}

/* Modern Comment Composer */
.modern-comment-composer {
  background: var(--bg-primary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-fast);
}

.modern-comment-composer:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.composer-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.user-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-name {
  font-weight: 700;
  color: var(--text-primary);
}

.user-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.composer-input {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.composer-input textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--spacing-lg);
  border: none;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  resize: vertical;
  transition: all var(--transition-fast);
}

.composer-input textarea:focus {
  outline: none;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.composer-placeholder {
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-lg);
  color: var(--text-muted);
  pointer-events: none;
  transition: all var(--transition-fast);
}

.composer-input textarea:focus + .composer-placeholder,
.composer-input textarea:not(:placeholder-shown) + .composer-placeholder {
  opacity: 0;
  transform: translateY(-4px);
}

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

.composer-tools {
  display: flex;
  gap: var(--spacing-xs);
}

.tool-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tool-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-1px);
}

.publish-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-xl);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

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

/* Modern Login to Comment */
.login-to-comment {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  border: 2px dashed var(--border-light);
}

.login-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.login-btn {
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.login-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
  text-decoration: none;
}

/* Comments Feed */
.comments-feed {
  padding: var(--spacing-xl) var(--spacing-2xl);
}

.comment-card {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.comment-card:hover {
  background: var(--bg-secondary);
  margin: 0 calc(-1 * var(--spacing-2xl));
  padding-left: var(--spacing-2xl);
  padding-right: var(--spacing-2xl);
  border-radius: var(--radius-lg);
}

.comment-avatar .avatar-circle {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.125rem;
}

.comment-body {
  flex: 1;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-name {
  font-weight: 700;
  color: var(--text-primary);
}

.comment-time {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.comment-actions {
  display: flex;
  gap: var(--spacing-md);
}

.action-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.action-btn:hover {
  background: var(--bg-secondary);
  color: var(--primary-color);
}

.comment-content {
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

/* Reply System */
.reply-composer {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  display: none;
}

.reply-composer.active {
  display: block;
}

.reply-input {
  position: relative;
  margin-bottom: var(--spacing-md);
}

.reply-input textarea {
  width: 100%;
  min-height: 80px;
  padding: var(--spacing-md);
  border: 1px solid var(--border-light);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  font-family: inherit;
  color: var(--text-primary);
  resize: vertical;
}

.reply-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.cancel-reply {
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.submit-reply {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--spacing-xs) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.submit-reply:hover {
  background: var(--primary-hover);
}

/* Replies Thread */
.replies-thread {
  margin-left: var(--spacing-2xl);
  border-left: 3px solid var(--border-light);
  padding-left: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.reply-card {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--border-light);
}

.reply-card:last-child {
  border-bottom: none;
}

.reply-avatar .avatar-circle.small {
  width: 36px;
  height: 36px;
  font-size: 0.875rem;
}

.reply-header {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.reply-author {
  font-weight: 600;
  color: var(--text-primary);
}

.reply-time {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.reply-content {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Empty State */
.empty-comments {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-comments h3 {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

/* Rate Limit Notice */
.rate-limit-notice {
  background: #fef3cd;
  color: #856404;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  text-align: center;
}

[data-theme="dark"] .rate-limit-notice {
  background: #2d1810;
  color: #f59e0b;
}

/* Modern Auth Page Styles */
.modern-auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  position: relative;
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  overflow: hidden;
}

.auth-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  position: relative;
  z-index: 10;
}

.auth-header {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-xl);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
}

.auth-logo {
  margin-bottom: var(--spacing-lg);
}

.auth-logo-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  color: white;
  font-size: 2rem;
  box-shadow: var(--shadow-md);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); box-shadow: var(--shadow-md); }
  50% { transform: scale(1.05); box-shadow: 0 0 30px rgba(37, 99, 235, 0.4); }
}

.auth-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin: 0;
}

.auth-body {
  padding: 0 var(--spacing-2xl) var(--spacing-2xl);
}

/* Modern Social Login Buttons */
.social-login-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.social-btn {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: 2px solid var(--border-light);
  background: var(--bg-card);
}

.social-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.social-btn:hover::before {
  left: 100%;
}

.social-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.github-btn:hover {
  background: linear-gradient(135deg, #24292e, #1a1e22);
  color: white;
}

.google-btn:hover {
  background: linear-gradient(135deg, #4285f4, #1a73e8);
  color: white;
}

.social-btn-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-right: var(--spacing-lg);
  flex-shrink: 0;
}

.github-btn .social-btn-icon {
  background: #24292e;
  color: white;
}

.google-btn .social-btn-icon {
  background: white;
  border: 1px solid var(--border-light);
}

.social-btn-content {
  flex: 1;
}

.social-btn-title {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.social-btn-subtitle {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.github-btn:hover .social-btn-title,
.github-btn:hover .social-btn-subtitle,
.google-btn:hover .social-btn-title,
.google-btn:hover .social-btn-subtitle {
  color: white;
}

.social-btn-arrow {
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.social-btn:hover .social-btn-arrow {
  color: white;
  transform: translateX(4px);
}

/* Auth Divider */
.auth-divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-2xl) 0;
  gap: var(--spacing-md);
}

.divider-line {
  flex: 1;
  height: 1px;
  background: var(--border-light);
}

.divider-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Auth Features */
.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.feature-item i {
  color: var(--primary-color);
  width: 20px;
}

/* Auth Footer */
.auth-footer {
  padding: var(--spacing-xl) var(--spacing-2xl);
  border-top: 1px solid var(--border-light);
  text-align: center;
}

.auth-terms {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin: 0;
  line-height: 1.5;
}

.auth-terms a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.auth-terms a:hover {
  text-decoration: underline;
}

/* Background Animation */
.auth-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.floating-shape {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 200px;
  height: 200px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 10%;
  animation-delay: 2s;
}

.shape-3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(120deg); }
  66% { transform: translateY(20px) rotate(240deg); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .modern-header-container {
    padding: 0 var(--spacing-md);
  }
  
  .modern-nav-list {
    gap: var(--spacing-md);
  }
  
  .modern-container {
    padding: 0 var(--spacing-md);
  }
  
  .modern-grid-3 {
    grid-template-columns: 1fr;
  }
  
  .modern-grid-2 {
    grid-template-columns: 1fr;
  }
  
  .modern-title {
    font-size: 1.5rem;
  }
  
  .modern-search-form {
    flex-direction: column;
  }
  
  .modern-footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .modern-pagination-container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .modern-pagination-pages {
    order: 2;
  }
  
  .modern-pagination-link:first-child,
  .modern-pagination-link:last-child {
    order: 1;
  }
  
  .modern-card-date {
    position: static;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
  }
  
  .modern-post-title {
    font-size: 2rem;
  }
  
  .modern-post-image {
    height: 250px;
  }
  
  .modern-post-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .modern-prose {
    font-size: 1rem;
  }
  
  .modern-comment {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .modern-replies {
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
  }
  
  /* Mobile Dropdown */
  .modern-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--bg-secondary);
    margin-top: var(--spacing-sm);
    border-radius: var(--radius-md);
  }
  
  .modern-read-more {
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-md);
  }
  
  .modern-read-more-icon {
    width: 20px;
    height: 20px;
  }
  
  /* Mobile Logo */
  .logo-icon {
    width: 40px;
    height: 40px;
  }
  
  .logo-shape-1 { width: 28px; height: 28px; }
  .logo-shape-2 { width: 24px; height: 24px; }
  .logo-shape-3 { width: 20px; height: 20px; }
  
  .logo-title {
    font-size: 1.25rem;
  }
  
  .logo-subtitle {
    font-size: 0.625rem;
  }
}

/* Mobile Navigation */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }
  
  .modern-nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    flex-direction: column;
    align-items: stretch;
    display: none;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
  }
  
  .modern-nav-list.active {
    display: flex;
  }
  
  .modern-nav-link {
    display: block;
    padding: var(--spacing-md);
    text-align: center;
  }
}

/* Tags Section Styles */
.modern-post-tags {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-light);
}

.tags-title {
  margin: 0 0 var(--spacing-md);
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.tags-title i {
  color: var(--accent-primary);
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--accent-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--border-radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.tag-link:hover {
  background: var(--accent-secondary);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.tag-link i {
  font-size: 0.75rem;
}

/* Social Sharing Section Styles */
.modern-social-sharing {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-light);
}

.sharing-title {
  margin: 0 0 var(--spacing-md);
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sharing-title i {
  color: var(--accent-primary);
}

.sharing-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  color: white;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
}

.twitter-btn {
  background: linear-gradient(135deg, #1da1f2, #0d8bd9);
}

.twitter-btn:hover {
  background: linear-gradient(135deg, #0d8bd9, #0a7bc4);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(29, 161, 242, 0.4);
  color: white;
  text-decoration: none;
}

.facebook-btn {
  background: linear-gradient(135deg, #4267b2, #365899);
}

.facebook-btn:hover {
  background: linear-gradient(135deg, #365899, #2d4373);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(66, 103, 178, 0.4);
  color: white;
  text-decoration: none;
}

.linkedin-btn {
  background: linear-gradient(135deg, #0077b5, #005885);
}

.linkedin-btn:hover {
  background: linear-gradient(135deg, #005885, #004471);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 119, 181, 0.4);
  color: white;
  text-decoration: none;
}

.copy-btn {
  background: linear-gradient(135deg, #6b7280, #4b5563);
}

.copy-btn:hover {
  background: linear-gradient(135deg, #4b5563, #374151);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(107, 114, 128, 0.4);
}

.copy-btn.copied {
  background: linear-gradient(135deg, #10b981, #059669);
}

/* Related Posts Section Styles */
.modern-related-posts {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-light);
}

.related-title {
  margin: 0 0 var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 1.2rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.related-title i {
  color: var(--accent-primary);
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.related-post-card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--border-light);
}

.related-post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.related-post-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.related-post-link:hover {
  text-decoration: none;
  color: inherit;
}

.related-post-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}

.related-post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.related-post-content {
  padding: var(--spacing-md);
}

.related-post-title {
  margin: 0 0 var(--spacing-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-post-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.related-post-category {
  padding: 2px 8px;
  background: var(--accent-primary);
  color: white;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.related-post-time {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Tag Pills for Post List */
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--accent-primary);
  color: white;
  border-radius: var(--border-radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.tag-pill i {
  font-size: 0.625rem;
}

/* Modern Logout Page Styles */
.logout-confirmation {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border-light);
}

.confirmation-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  color: white;
  font-size: 2rem;
  box-shadow: var(--shadow-md);
  animation: pulse-warning 2s infinite;
}

@keyframes pulse-warning {
  0%, 100% { transform: scale(1); box-shadow: var(--shadow-md); }
  50% { transform: scale(1.05); box-shadow: 0 0 30px rgba(239, 68, 68, 0.4); }
}

.confirmation-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-md);
}

.confirmation-text {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.logout-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.logout-btn {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: 2px solid var(--border-light);
  background: var(--bg-card);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  width: 100%;
}

.logout-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.logout-btn:hover::before {
  left: 100%;
}

.logout-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  text-decoration: none;
}

.confirm-btn:hover {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.cancel-btn:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
}

.btn-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-right: var(--spacing-lg);
  flex-shrink: 0;
}

.confirm-btn .btn-icon {
  background: #ef4444;
  color: white;
}

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

.btn-content {
  flex: 1;
  text-align: left;
}

.btn-title {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.btn-subtitle {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.confirm-btn:hover .btn-title,
.confirm-btn:hover .btn-subtitle,
.cancel-btn:hover .btn-title,
.cancel-btn:hover .btn-subtitle {
  color: white;
}

.session-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.info-item i {
  color: var(--primary-color);
  width: 20px;
}

/* Enhanced GitHub Login Benefits */
.github-benefits {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

[data-theme="dark"] .github-benefits {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.benefits-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-lg);
  text-align: center;
  justify-content: center;
}

.benefits-title i {
  color: #24292e;
  font-size: 1.5rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.benefit-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.benefit-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-color);
}

.benefit-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
  flex-shrink: 0;
}

.benefit-content h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs);
  line-height: 1.2;
}

.benefit-content p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

/* Modern Provider Login Page Styles */
.provider-logo-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  animation: pulse-provider 2s infinite;
}

.github-logo-container {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #24292e, #1a1e22);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.google-logo-container {
  width: 100%;
  height: 100%;
  background: white;
  border: 3px solid #f1f5f9;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes pulse-provider {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.provider-info {
  margin-bottom: var(--spacing-2xl);
}

.provider-security {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.security-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.security-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
}

.security-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.auth-form {
  margin-bottom: var(--spacing-2xl);
}

.provider-continue-btn {
  display: flex;
  align-items: center;
  width: 100%;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-light);
  background: var(--bg-card);
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.provider-continue-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.provider-continue-btn:hover::before {
  left: 100%;
}

.provider-continue-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.github-btn:hover {
  background: linear-gradient(135deg, #24292e, #1a1e22);
  color: white;
}

.google-btn:hover {
  background: linear-gradient(135deg, #4285f4, #1a73e8);
  color: white;
}

.provider-continue-btn .btn-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-right: var(--spacing-lg);
  flex-shrink: 0;
}

.github-btn .btn-icon {
  background: #24292e;
  color: white;
}

.google-btn .btn-icon {
  background: white;
  border: 1px solid var(--border-light);
  color: #4285f4;
}

.provider-continue-btn .btn-content {
  flex: 1;
  text-align: left;
}

.provider-continue-btn .btn-title {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.provider-continue-btn .btn-subtitle {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.github-btn:hover .btn-title,
.github-btn:hover .btn-subtitle,
.google-btn:hover .btn-title,
.google-btn:hover .btn-subtitle {
  color: white;
}

.provider-continue-btn .btn-arrow {
  color: var(--text-muted);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.provider-continue-btn:hover .btn-arrow {
  color: white;
  transform: translateX(4px);
}

.provider-benefits {
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

[data-theme="dark"] .provider-benefits {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.benefits-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-lg);
}

.benefits-header i {
  color: #f59e0b;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.benefit-item i {
  color: var(--primary-color);
  width: 20px;
  font-size: 1rem;
}

.auth-navigation {
  text-align: center;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.back-link:hover {
  background: var(--bg-secondary);
  color: var(--primary-color);
  text-decoration: none;
  transform: translateX(-2px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .sharing-buttons {
    flex-direction: column;
  }
  
  .share-btn {
    justify-content: center;
  }
  
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
  
  .related-post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .logout-actions {
    gap: var(--spacing-md);
  }
  
  .logout-btn {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-lg);
  }
  
  .btn-icon {
    margin-right: 0;
    margin-bottom: var(--spacing-sm);
  }
  
  .btn-content {
    text-align: center;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .benefit-card {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-md);
  }
  
  .benefit-icon {
    align-self: center;
    margin-bottom: var(--spacing-xs);
  }
  
  .provider-continue-btn {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-lg);
  }
  
  .provider-continue-btn .btn-icon {
    margin-right: 0;
    margin-bottom: var(--spacing-sm);
  }
  
  .provider-continue-btn .btn-content {
    text-align: center;
  }
  
  .provider-security {
    flex-direction: column;
    text-align: center;
  }
  
  .security-icon {
    align-self: center;
    margin-bottom: var(--spacing-sm);
  }
  
  .provider-benefits {
    padding: var(--spacing-md);
  }
  
  .benefits-list {
    gap: var(--spacing-sm);
  }
}