/* ============================================
   Culinary Portal - Main Stylesheet
   Version: 1.0
   ============================================ */

/* CSS Variables */
:root {
  /* Color Palette - Warm Amber Theme */
  --primary-color: #d97706;
  --primary-light: #fbbf24;
  --primary-dark: #b45309;
  --secondary-color: #78350f;
  --accent-color: #f59e0b;

  /* Neutral Colors */
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --bg-primary: #fffbeb;
  --bg-secondary: #fef3c7;
  --bg-card: #ffffff;
  --border-color: #e5e7eb;
  --border-light: #f3f4f6;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
  --line-height-tight: 1.25;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;

  /* Layout */
  --container-max: 1200px;
  --header-height: 55px;
  --sidebar-width: 320px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--primary-dark);
}

ul,
ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================
 Header
 ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-spacer {
  height: var(--header-height);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.02em;
}

.site-logo:hover {
  color: var(--primary-dark);
}

@media (min-width:769px) {
  .site-header {
    height: 80px;
  }
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: var(--space-xl);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--space-sm) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

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

.nav-link:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.menu-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 3px 0;
  transition: all var(--transition-normal);
  border-radius: 1px;
}

.menu-toggle.active .menu-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .menu-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .menu-bar:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
 Main Content
 ============================================ */
.main-content {
  flex: 1;
  padding: var(--space-2xl) 0;
}

/* Content with Sidebar Layout */
.content-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: var(--space-3xl);
}

.primary-content {
  min-width: 0;
}

/* ============================================
 Section Titles
 ============================================ */
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--primary-light);
  display: inline-block;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
}

/* ============================================
 Featured Section (Homepage)
 ============================================ */
.featured-section {
  margin-bottom: var(--space-3xl);
}

.featured-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: repeat(2, 1fr);
  gap: var(--space-lg);
}

.featured-primary {
  grid-row: span 2;
}

.featured-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.featured-link {
  display: block;
  color: inherit;
}

.featured-link:hover {
  color: inherit;
}

.featured-image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.featured-primary .featured-image-wrapper {
  aspect-ratio: 4 / 3.5;
}

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

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

.featured-content {
  padding: var(--space-lg);
}

.featured-title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.featured-primary .featured-title {
  font-size: 1.5rem;
}

.featured-brief {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ============================================
 Categories Section
 ============================================ */
.categories-section {
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.categories-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-normal);
  animation: fadeInUp 0.5s ease forwards;
  animation-delay: var(--delay, 0s);
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.category-tag:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.tag-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--primary-light);
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.category-tag:hover .tag-indicator {
  background-color: white;
}

/* ============================================
 Latest Articles (Masonry Grid)
 ============================================ */
.latest-section {
  margin-bottom: var(--space-2xl);
}

.articles-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.article-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.article-card-link {
  display: block;
  color: inherit;
}

.article-card-link:hover {
  color: inherit;
}

.article-image-wrapper {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

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

.article-card-content {
  padding: var(--space-lg);
}

.article-card-header {
  margin-bottom: var(--space-sm);
}

.article-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-color);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.article-card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.article-card-brief {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
}

/* ============================================
 Sidebar
 ============================================ */

.sidebar-section {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--primary-light);
}

/* Category List */
.category-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  color: var(--text-primary);
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.category-link:last-child {
  border-bottom: none;
}

.category-link:hover {
  color: var(--primary-color);
  padding-left: var(--space-sm);
}

.category-arrow {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: transform var(--transition-fast);
}

.category-link:hover .category-arrow {
  transform: translateX(4px);
  color: var(--primary-color);
}

/* Popular Articles */
.popular-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.popular-link {
  display: block;
  color: inherit;
}

.popular-link:hover {
  color: inherit;
}

.popular-date {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.popular-title {
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.popular-link:hover .popular-title {
  color: var(--primary-color);
}

/* ============================================
 Breadcrumb
 ============================================ */
.breadcrumb {
  margin-bottom: var(--space-lg);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.875rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.breadcrumb-item:not(:last-child)::after {
  content: '>';
  color: var(--text-muted);
  font-size: 0.75rem;
}

.breadcrumb-link {
  color: var(--text-secondary);
}

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

.breadcrumb-item.active {
  color: var(--text-muted);
}

/* ============================================
 Article List (Category Page)
 ============================================ */
.article-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.list-item {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.list-item-link {
  display: grid;
  grid-template-columns: 280px 1fr;
  color: inherit;
}

.list-item-link:hover {
  color: inherit;
}

.list-item-image-wrapper {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.list-item:hover .list-item-image {
  transform: scale(1.05);
}

.list-item-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
}

.list-item-header {
  margin-bottom: var(--space-sm);
}

.list-item-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-color);
}

.list-item-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.list-item-brief {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.list-item-footer {
  display: flex;
  gap: var(--space-md);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ============================================
 Article Detail Page
 ============================================ */
.article-detail {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
}

.article-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-light);
}

.article-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.article-publish-date,
.article-update-date,
.article-view-count,
.article-author-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.article-author-link img {
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
}

/* Article Body */
.article-body {
  font-size: 1.0625rem;
  line-height: var(--line-height-relaxed);
  color: var(--text-primary);
}

.article-body>*+* {
  margin-top: var(--space-lg);
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.article-body p {
  margin-bottom: var(--space-md);
}

.article-body img {
  max-width: 100%;
  height: auto;
  margin: var(--space-xl) auto;
  border-radius: var(--radius-md);
  display: block;
}

.article-body ul,
.article-body ol {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: var(--space-sm);
}

.article-body blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-body a {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body a:hover {
  color: var(--primary-dark);
}

/* Author Section */
.author-section {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border-light);
}

.author-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
}

.author-avatar-wrapper {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary-light);
}

.author-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info {
  flex: 1;
}

.author-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.author-name a {
  color: var(--text-primary);
}

.author-name a:hover {
  color: var(--primary-color);
}

.author-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.author-bio {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
}

/* Article Navigation */
.article-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-light);
}

.nav-prev,
.nav-next {
  display: flex;
}

.nav-next {
  justify-content: flex-end;
  text-align: right;
}

.nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  color: inherit;
  transition: background-color var(--transition-fast);
  max-width: 100%;
}

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

.nav-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-color);
}

.nav-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Related Articles */
.related-articles {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-light);
}

.related-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.related-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.related-link {
  display: block;
  color: inherit;
}

.related-link:hover {
  color: inherit;
}

.related-image-wrapper {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

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

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

.related-category {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-color);
  margin-bottom: var(--space-xs);
}

.related-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Comment Section */
.comment-section {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-light);
}

.comment-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.comment-form {
  background-color: var(--bg-primary);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

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

.form-row .form-group {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-size: 0.9375rem;
  font-weight: 600;
  color: white;
  background-color: var(--primary-color);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.form-submit:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
}

.form-submit:active {
  transform: translateY(0);
}

/* ============================================
 Author Profile Page
 ============================================ */
.author-profile {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  box-shadow: var(--shadow-sm);
}

.author-profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-light);
}

.author-profile-avatar-wrapper {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--primary-light);
  flex-shrink: 0;
}

.author-profile-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-profile-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.author-profile-description {
  font-size: 1rem;
  color: var(--text-secondary);
}

.author-profile-content {
  margin-bottom: var(--space-2xl);
}

.author-bio-full {
  font-size: 1rem;
  line-height: var(--line-height-relaxed);
  color: var(--text-primary);
}

.author-bio-full>*+* {
  margin-top: var(--space-md);
}

.author-stats {
  display: flex;
  gap: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-light);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
 Standalone Page (About Us)
 ============================================ */
.standalone-page {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  box-shadow: var(--shadow-sm);
}

.standalone-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-light);
}

.standalone-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.standalone-content {
  font-size: 1.0625rem;
  line-height: var(--line-height-relaxed);
  color: var(--text-primary);
}

.standalone-content>*+* {
  margin-top: var(--space-lg);
}

.standalone-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.standalone-content p {
  margin-bottom: var(--space-md);
}

/* ============================================
 More Articles Page
 ============================================ */
.more-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.compact-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.compact-card-link {
  display: block;
  color: inherit;
}

.compact-card-link:hover {
  color: inherit;
}

.compact-image-wrapper {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

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

.compact-content {
  padding: var(--space-md);
}

.compact-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.compact-meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================
 All Articles Page
 ============================================ */
.simple-article-list {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.simple-item {
  border-bottom: 1px solid var(--border-light);
}

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

.simple-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  color: inherit;
  transition: background-color var(--transition-fast);
}

.simple-link:hover {
  background-color: var(--bg-primary);
  color: inherit;
}

.simple-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
  padding-right: var(--space-lg);
}

.simple-link:hover .simple-title {
  color: var(--primary-color);
}

.simple-date {
  font-size: 0.875rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ============================================
 Pagination
 ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}

.page-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.page-item:hover {
  background-color: var(--bg-secondary);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.page-item.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.page-item.disabled {
  color: var(--text-muted);
  cursor: not-allowed;
  background-color: var(--bg-primary);
}

.page-item.dots {
  border: none;
  background: none;
  cursor: default;
}

.page-prev,
.page-next {
  padding: 0 var(--space-lg);
}

/* ============================================
 Empty State
 ============================================ */
.empty-state {
  text-align: center;
  padding: var(--space-3xl);
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
}

.empty-message {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* ============================================
 Footer
 ============================================ */
.site-footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-light);
  padding: var(--space-xl) 0;
  margin-top: auto;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  text-align: center;
}

.footer-nav {
  margin-bottom: var(--space-md);
}

.footer-nav-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
}

.footer-nav-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

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

/* ============================================
 Responsive Design - Mobile First
 ============================================ */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  .content-with-sidebar {
    grid-template-columns: minmax(0,1fr);
    gap: var(--space-2xl);
  }

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .sidebar-section {
    margin-bottom: 0;
  }

  .articles-masonry {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-grid {
    grid-template-columns: 1fr 1fr;
  }

  .featured-primary {
    grid-row: span 1;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 55px;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .header-container {
    padding: 0 var(--space-md);
  }

  /* Mobile Navigation */
  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .main-nav.active {
    max-height: 400px;
  }

  .nav-list {
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding: var(--space-md);
  }

  .nav-item {
    border-bottom: 1px solid var(--border-light);
  }

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

  .nav-link {
    display: block;
    padding: var(--space-md) 1rem;
  }

  .nav-link::after {
    display: none;
  }

  .main-content {
    padding-top: var(--space-xl);
  }

  .breadcrumb {
    margin-bottom: var(--space-xs);
  }

  /* Featured Section */
  .featured-grid {
    grid-template-columns: 1fr;
  }

  .featured-primary .featured-image-wrapper {
    aspect-ratio: 4 / 3;
  }

  .featured-title {
    font-size: 1rem;
  }

  .featured-primary .featured-title {
    font-size: 1.125rem;
  }

  /* Articles Grid */
  .articles-masonry {
    grid-template-columns: 1fr;
  }

  /* Sidebar */
  .sidebar {
    grid-template-columns: 1fr;
  }

  /* Article List */
  .list-item-link {
    grid-template-columns: 1fr;
  }

  .list-item-image-wrapper {
    aspect-ratio: 16 / 9;
  }

  /* Article Detail */
  .article-detail {
    padding: var(--space-lg);
  }

  .article-title {
    font-size: 1.5rem;
  }

  .article-meta-bar {
    gap: var(--space-sm);
  }

  .article-body {
    font-size: 1rem;
  }

  .article-header {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
  }

  /* Author Section */
  .author-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

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

  .nav-next {
    justify-content: flex-start;
    text-align: left;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  /* Comment Form */
  .form-row {
    grid-template-columns: 1fr;
  }

  .form-row .form-group {
    margin-bottom: var(--space-lg);
  }

  /* Author Profile */
  .author-profile {
    padding: var(--space-xl);
  }

  .author-profile-header {
    flex-direction: column;
    text-align: center;
  }

  .author-profile-name {
    font-size: 1.5rem;
  }

  .author-stats {
    justify-content: center;
  }

  /* More Articles */
  .more-articles-grid {
    grid-template-columns: 1fr;
  }

  /* Standalone Page */
  .standalone-page {
    padding: var(--space-xl);
  }

  .standalone-title {
    font-size: 1.5rem;
  }

  /* Pagination */
  .pagination {
    gap: var(--space-xs);
  }

  .page-item {
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-sm);
    font-size: 0.8125rem;
  }

  .page-prev,
  .page-next {
    padding: 0 var(--space-md);
  }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
  .section-title {
    font-size: 1.25rem;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .categories-section {
    padding: var(--space-lg);
  }

  .category-tag {
    font-size: 0.875rem;
    padding: var(--space-xs) var(--space-sm);
  }

  .featured-content,
  .article-card-content {
    padding: var(--space-md);
  }

  .sidebar-section {
    padding: var(--space-md);
  }
}

/* ============================================
 Print Styles
 ============================================ */
@media print {

  .site-header,
  .site-footer,
  .sidebar,
  .menu-toggle,
  .pagination,
  .comment-section,
  .article-navigation,
  .related-articles {
    display: none !important;
  }

  .header-spacer {
    display: none;
  }

  .main-content {
    padding: 0;
  }

  .article-detail {
    box-shadow: none;
    padding: 0;
  }

  .article-body {
    font-size: 12pt;
    line-height: 1.5;
  }

  a {
    text-decoration: none;
    color: black;
  }

  img {
    max-width: 100% !important;
  }
}