/* ==========================================================================
   Benchivo Modern Editorial & Blog Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color Tokens - Light Theme Default */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --bg-card: #ffffff;
  --bg-hover: #e2e8f0;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #64748b;
  --text-inverse: #ffffff;

  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-secondary: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --accent-glow: rgba(37, 99, 235, 0.15);
  
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --code-bg: #1e293b;
  --code-text: #f8fafc;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08);

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-sans);
  --font-mono: 'JetBrains Mono', monospace;

  --base-font-size: 1.125rem; /* 18px */
  --header-height: 72px;
  --max-content-width: 1280px;
  --article-max-width: 760px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --bg-main: #0b0f17;
  --bg-surface: #111827;
  --bg-surface-alt: #1f2937;
  --bg-card: #161e2e;
  --bg-hover: #26334d;

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-light: #6b7280;
  --text-inverse: #0f172a;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
  --accent-glow: rgba(59, 130, 246, 0.25);

  --border-color: #1f2937;
  --border-hover: #374151;
  --code-bg: #030712;
  --code-text: #e5e7eb;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.5);
}

/* Font Size Modifiers */
body.font-sm { --base-font-size: 1rem; }
body.font-md { --base-font-size: 1.125rem; }
body.font-lg { --base-font-size: 1.25rem; }

/* Base Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--base-font-size);
  line-height: 1.8;
  color: var(--text-main);
  background-color: var(--bg-main);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

/* Reading Progress Bar */
#reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  z-index: 1000;
}

#reading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-gradient);
  box-shadow: 0 0 10px var(--accent-primary);
  transition: width 0.1s ease-out;
}

/* Global Container */
.container {
  width: 100%;
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Site Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 900;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="dark"] .site-header {
  background-color: rgba(17, 24, 39, 0.85);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-logo span.dot {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  display: inline-block;
}

.brand-tagline {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: var(--accent-glow);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Control Buttons (Theme, Font Size) */
.icon-btn {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.font-size-group {
  display: flex;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2px;
}

.font-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 4px 10px;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.font-btn.active, .font-btn:hover {
  background: var(--bg-surface);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

/* Hero Section */
.article-hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

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

.breadcrumb a:hover {
  color: var(--accent-primary);
}

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  background: var(--accent-glow);
  color: var(--accent-primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.article-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.article-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 900px;
}

/* Author & Meta Row */
.author-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-primary);
}

.author-details .author-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
}

.author-details .author-title {
  font-size: 0.85rem;
  color: var(--text-light);
}

.meta-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.meta-item svg {
  width: 18px;
  height: 18px;
  color: var(--text-light);
}

.social-share-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.share-btn.liked {
  background: var(--accent-glow);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* Hero Feature Image */
.hero-image-wrapper {
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  position: relative;
}

.hero-image-wrapper img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.hero-image-caption {
  padding: 0.75rem 1.25rem;
  background: var(--bg-surface-alt);
  font-size: 0.85rem;
  color: var(--text-light);
  text-align: center;
  border-top: 1px solid var(--border-color);
}

/* Page Main Layout Grid */
.main-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 3.5rem;
  padding-bottom: 4rem;
}

/* Article Body Typography */
.article-content {
  max-width: var(--article-max-width);
}

.article-content p {
  margin-bottom: 1.75rem;
  color: var(--text-main);
  font-size: inherit;
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  margin: 3rem 0 1.25rem;
  scroll-margin-top: 90px;
  position: relative;
  letter-spacing: -0.02em;
}

.article-content h2::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 15%;
  height: 70%;
  width: 4px;
  background: var(--accent-gradient);
  border-radius: 4px;
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 2.25rem 0 1rem;
  scroll-margin-top: 90px;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.75rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.article-content blockquote {
  margin: 2rem 0;
  padding: 1.5rem 1.75rem;
  background: var(--bg-surface-alt);
  border-left: 4px solid var(--accent-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-muted);
}

/* Inline Link Styling & Cards */
.article-content a.inline-link {
  color: var(--accent-primary);
  text-decoration: underline;
  text-decoration-color: var(--accent-glow);
  text-underline-offset: 4px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.article-content a.inline-link:hover {
  text-decoration-color: var(--accent-primary);
  background: var(--accent-glow);
  border-radius: 2px;
}

/* Inline Recommended Post Card (Engagement Link) */
.inline-recommended-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 2.5rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-secondary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

.inline-recommended-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-secondary);
  background: var(--bg-surface-alt);
}

.inline-rec-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.inline-rec-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  line-height: 1.4;
}

.inline-rec-arrow {
  margin-left: auto;
  color: var(--accent-secondary);
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
}

.inline-recommended-card:hover .inline-rec-arrow {
  transform: translateX(4px);
}

/* Highlight Box / Key Takeaway */
.takeaway-box {
  margin: 2.5rem 0;
  padding: 1.5rem 1.75rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(124, 58, 237, 0.06) 100%);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-md);
}

.takeaway-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

/* Comparison Matrix Summary Table inside article */
.comparison-table-wrapper {
  overflow-x: auto;
  margin: 2.5rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  text-align: left;
}

.comparison-table th {
  background: var(--bg-surface-alt);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--border-color);
}

.comparison-table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background: var(--bg-surface-alt);
}

.model-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
}

.pill-claude { background: rgba(217, 119, 6, 0.15); color: #d97706; }
.pill-gpt { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.pill-gemini { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.pill-grok { background: rgba(168, 85, 247, 0.15); color: #a855f7; }

/* Interactive Poll / Feedback Widget */
.article-poll-widget {
  margin: 3.5rem 0 2rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.poll-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.poll-subtitle {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.poll-options {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.poll-btn {
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-surface-alt);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.poll-btn:hover, .poll-btn.selected {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* Author Bio Box */
.author-bio-card {
  display: flex;
  gap: 1.5rem;
  margin: 3rem 0;
  padding: 2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.author-bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.author-bio-role {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.author-bio-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Sidebar Styles */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.sticky-sidebar-content {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.widget-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 2px solid var(--bg-surface-alt);
  padding-bottom: 0.6rem;
}

/* Table of Contents Widget */
.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toc-link {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  line-height: 1.4;
  display: block;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
}

.toc-link:hover {
  color: var(--accent-primary);
  background: var(--bg-surface-alt);
}

.toc-link.active {
  color: var(--accent-primary);
  border-left-color: var(--accent-primary);
  font-weight: 600;
  background: var(--accent-glow);
}

/* Trending Posts Widget */
.trending-posts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.trending-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  text-decoration: none;
}

.trending-number {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-light);
  line-height: 1;
}

.trending-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.trending-item:hover .trending-title {
  color: var(--accent-primary);
}

.trending-meta {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

/* Newsletter Widget */
.newsletter-box {
  background: var(--accent-gradient);
  color: #ffffff;
  border: none;
}

.newsletter-box .widget-title {
  color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.newsletter-desc {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.newsletter-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 0.9rem;
  outline: none;
  backdrop-filter: blur(4px);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.newsletter-btn {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: none;
  background: #ffffff;
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.newsletter-btn:hover {
  transform: translateY(-2px);
}

/* Post Navigation (Prev / Next) */
.post-navigation {
  margin: 4rem 0 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.nav-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

.nav-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.nav-card.next {
  text-align: right;
}

.nav-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.nav-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
}

/* Recommended Articles Section (Bottom Grid) */
.recommended-section {
  padding: 4rem 0;
  background: var(--bg-surface-alt);
  border-top: 1px solid var(--border-color);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.view-all-link {
  color: var(--accent-primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition-fast);
}

.view-all-link:hover {
  gap: 0.6rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

.article-card-thumb {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.article-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.article-card-snippet {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.article-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-light);
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
}

.toast {
  background: var(--text-main);
  color: var(--bg-main);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Site Footer */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  font-size: 0.9rem;
  color: var(--text-light);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

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

.footer-links a:hover {
  color: var(--accent-primary);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .sidebar {
    order: 2;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .article-title {
    font-size: 2.25rem;
  }

  .post-navigation {
    grid-template-columns: 1fr;
  }

  .author-meta-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .author-bio-card {
    flex-direction: column;
  }
}