/* ===== Affiling - Simple & Modern Design ===== */

/* CSS Variables */
:root {
  --affiling-bg: #ffffff;
  --affiling-bg-secondary: #f8f9fa;
  --affiling-bg-tertiary: #f1f3f5;
  --affiling-text: #212529;
  --affiling-text-secondary: #6c757d;
  --affiling-text-muted: #adb5bd;
  --affiling-border: #dee2e6;
  --affiling-primary: #2563eb;
  --affiling-primary-hover: #1d4ed8;
  --affiling-accent: #10b981;
  --affiling-warning: #f59e0b;
  --affiling-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --affiling-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --affiling-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --affiling-radius: 8px;
  --affiling-radius-lg: 12px;
  --affiling-spacing: 1rem;
  --affiling-spacing-lg: 2rem;
  --affiling-spacing-xl: 3rem;
  --affiling-font: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --affiling-font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--affiling-font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--affiling-text);
  background-color: var(--affiling-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--affiling-spacing-lg);
  }
}

/* Navigation */
.affiling-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--affiling-bg);
  border-bottom: 1px solid var(--affiling-border);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem var(--affiling-spacing);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (min-width: 768px) {
  .nav-container {
    padding: 1rem var(--affiling-spacing-lg);
  }
}

.logo-link {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--affiling-text);
  text-decoration: none;
  transition: color 0.2s;
}

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

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

.nav-link {
  font-size: 0.9375rem;
  color: var(--affiling-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Main */
.affiling-main {
  min-height: calc(100vh - 200px);
}

/* Page Header */
.page-header {
  padding: var(--affiling-spacing-xl) 0 var(--affiling-spacing-lg);
  background: linear-gradient(to bottom, var(--affiling-bg-secondary), var(--affiling-bg));
  border-bottom: 1px solid var(--affiling-border);
}

.page-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--affiling-text);
  margin-bottom: var(--affiling-spacing);
  letter-spacing: -0.02em;
}

.page-description {
  font-size: 1.125rem;
  color: var(--affiling-text-secondary);
  max-width: 600px;
  margin-bottom: var(--affiling-spacing-lg);
  line-height: 1.8;
}

.disclosure-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--affiling-spacing);
  padding: var(--affiling-spacing);
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: var(--affiling-radius);
  color: #92400e;
  font-size: 0.875rem;
  line-height: 1.6;
}

.disclosure-banner svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Filter Section */
.filter-section {
  padding: var(--affiling-spacing-lg) 0;
  background: var(--affiling-bg-secondary);
  border-bottom: 1px solid var(--affiling-border);
  position: sticky;
  top: 60px;
  z-index: 90;
}

.filter-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--affiling-spacing);
}

@media (min-width: 768px) {
  .filter-wrapper {
    flex-direction: row;
  justify-content: space-between;
  align-items: center;
  }
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--affiling-spacing);
}

.filter-tab {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--affiling-text-secondary);
  background: var(--affiling-bg);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-tab:hover {
  border-color: var(--affiling-primary);
  color: var(--affiling-primary);
}

.filter-tab.active {
  background: var(--affiling-primary);
  border-color: var(--affiling-primary);
  color: white;
}

.search-wrapper {
  display: flex;
  align-items: center;
  background: var(--affiling-bg);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius);
  padding: 0.5rem;
  gap: var(--affiling-spacing);
  min-width: 250px;
}

@media (min-width: 768px) {
  .search-wrapper {
    min-width: 300px;
  }
}

.search-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 0.875rem;
  color: var(--affiling-text);
  outline: none;
}

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

.search-button {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--affiling-text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--affiling-radius);
  transition: all 0.2s;
}

.search-button:hover {
  color: var(--affiling-primary);
  background: var(--affiling-bg-secondary);
}

/* Articles Section */
.articles-section {
  padding: var(--affiling-spacing-xl) 0;
}

.articles-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--affiling-spacing-xl);
  align-items: start;
}

.articles-main {
  min-width: 0;
}

.articles-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

@media (max-width: 1024px) {
  .articles-layout {
    grid-template-columns: 1fr;
}

  .articles-sidebar {
    position: static;
    max-height: none;
    overflow-y: visible;
  }
}

/* Sidebar Widgets */
.sidebar-widget {
  background: var(--affiling-bg);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius-lg);
  padding: var(--affiling-spacing-lg);
  margin-bottom: var(--affiling-spacing-lg);
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-bottom: var(--affiling-spacing);
  padding-bottom: var(--affiling-spacing);
  border-bottom: 2px solid var(--affiling-border);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar-link {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--affiling-text-secondary);
  text-decoration: none;
  border-radius: var(--affiling-radius);
  transition: all 0.2s;
  font-size: 0.875rem;
}

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

.sidebar-link.active {
  background: #dbeafe;
  color: var(--affiling-primary);
  font-weight: 500;
}

/* Popular Articles */
.popular-articles {
  display: flex;
  flex-direction: column;
  gap: var(--affiling-spacing);
}

.popular-article-item {
  display: block;
  padding: var(--affiling-spacing);
  background: var(--affiling-bg-secondary);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius);
  text-decoration: none;
  transition: all 0.2s;
}

.popular-article-item:hover {
  border-color: var(--affiling-primary);
  transform: translateX(4px);
  box-shadow: var(--affiling-shadow);
}

.popular-article-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.popular-article-meta {
  display: flex;
  gap: var(--affiling-spacing);
  font-size: 0.75rem;
  color: var(--affiling-text-muted);
}

/* Recent Articles */
.recent-articles {
  display: flex;
  flex-direction: column;
  gap: var(--affiling-spacing);
}

.recent-article-item {
  display: block;
  padding: var(--affiling-spacing);
  background: var(--affiling-bg-secondary);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius);
  text-decoration: none;
  transition: all 0.2s;
}

.recent-article-item:hover {
  border-color: var(--affiling-primary);
  transform: translateX(4px);
  box-shadow: var(--affiling-shadow);
}

.recent-article-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recent-article-meta {
  font-size: 0.75rem;
  color: var(--affiling-text-muted);
}

/* Article Tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--affiling-spacing);
}

.article-tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--affiling-primary);
  background: #dbeafe;
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s;
}

.article-tag:hover {
  background: var(--affiling-primary);
  color: white;
  border-color: var(--affiling-primary);
}

/* Loading State */
.loading-state {
  margin-bottom: var(--affiling-spacing-lg);
}

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--affiling-spacing-lg);
}

.skeleton-card {
  height: 400px;
  background: var(--affiling-bg-secondary);
  border-radius: var(--affiling-radius-lg);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
  opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--affiling-spacing-lg);
  margin-bottom: var(--affiling-spacing-xl);
}

@media (min-width: 768px) {
  .articles-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  }
}

/* Article Card */
.article-card {
  background: var(--affiling-bg);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius-lg);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--affiling-shadow-lg);
  border-color: var(--affiling-primary);
}

.article-image {
  width: 100%;
  height: 200px;
  background: var(--affiling-bg-secondary);
  overflow: hidden;
  position: relative;
}

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

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

.article-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--affiling-text-muted);
  background: var(--affiling-bg-tertiary);
}

.article-content {
  padding: var(--affiling-spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--affiling-spacing);
  flex-wrap: wrap;
  gap: var(--affiling-spacing);
}

.article-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--affiling-primary);
  background: #dbeafe;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.article-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-bottom: var(--affiling-spacing);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-excerpt {
  font-size: 0.9375rem;
  color: var(--affiling-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--affiling-spacing);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-stats {
  display: flex;
  gap: var(--affiling-spacing);
  flex-wrap: wrap;
  align-items: center;
  margin-top: auto;
  padding-top: var(--affiling-spacing);
  border-top: 1px solid var(--affiling-border);
}

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

.affiliate-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--affiling-warning);
  background: #fef3c7;
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  font-weight: 500;
}

.affiliate-badge svg {
  width: 12px;
  height: 12px;
}

/* No Results */
.no-results {
  text-align: center;
  padding: var(--affiling-spacing-xl) var(--affiling-spacing);
}

.no-results svg {
  color: var(--affiling-text-muted);
  margin-bottom: var(--affiling-spacing);
  opacity: 0.5;
}

.no-results h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-bottom: var(--affiling-spacing);
}

.no-results p {
  font-size: 1rem;
  color: var(--affiling-text-secondary);
}

/* Load More */
.load-more-wrapper {
  text-align: center;
  padding: var(--affiling-spacing-lg) 0;
}

.load-more-button {
  padding: 0.75rem 2rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--affiling-primary);
  background: var(--affiling-bg);
  border: 1px solid var(--affiling-primary);
  border-radius: var(--affiling-radius);
  cursor: pointer;
  transition: all 0.2s;
}

.load-more-button:hover {
  background: var(--affiling-primary);
  color: white;
}

.load-more-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

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

.footer-content p {
  font-size: 0.875rem;
  color: var(--affiling-text-muted);
  margin: 0;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--affiling-primary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover {
  text-decoration: underline;
}

/* ===== Breadcrumb ===== */
.breadcrumb-nav {
  background: var(--affiling-bg-secondary);
  border-bottom: 1px solid var(--affiling-border);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
  color: var(--affiling-text-muted);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: var(--affiling-text-muted);
}

.breadcrumb-item a {
  color: var(--affiling-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

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

.breadcrumb-item:last-child span {
  color: var(--affiling-text);
  font-weight: 500;
}

/* ===== Article Detail Page ===== */

.article-header {
  padding: var(--affiling-spacing-xl) 0;
  background: var(--affiling-bg-secondary);
  border-bottom: 1px solid var(--affiling-border);
}

.article-meta-top {
  display: flex;
  gap: var(--affiling-spacing);
  margin-bottom: var(--affiling-spacing);
  flex-wrap: wrap;
  align-items: center;
}

.article-category-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--affiling-primary);
  background: #dbeafe;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.article-title-main {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--affiling-text);
  margin-bottom: var(--affiling-spacing);
  line-height: 1.3;
}

.article-excerpt-main {
  font-size: 1.125rem;
  color: var(--affiling-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--affiling-spacing-lg);
  max-width: 800px;
}

.article-stats-header {
  display: flex;
  gap: var(--affiling-spacing-lg);
  flex-wrap: wrap;
}

.article-stat-item {
  font-size: 0.875rem;
  color: var(--affiling-text-muted);
}

.article-share {
  margin-top: var(--affiling-spacing-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--affiling-spacing);
}

.share-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--affiling-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  }
  
.share-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.share-button {
  border: 1px solid var(--affiling-border);
  background: var(--affiling-bg);
  color: var(--affiling-text);
  border-radius: var(--affiling-radius);
  padding: 0.4rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.share-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--affiling-shadow);
}

.share-twitter {
  border-color: #1d9bf0;
  color: #1d9bf0;
}

.share-facebook {
  border-color: #1877f2;
  color: #1877f2;
}

.share-line {
  border-color: #06c755;
  color: #06c755;
}

.share-copy {
  border-color: var(--affiling-text-muted);
  color: var(--affiling-text-muted);
}

.share-feedback {
  font-size: 0.75rem;
  color: var(--affiling-accent);
  min-height: 1em;
}

/* Article Content */
.article-content {
  padding: var(--affiling-spacing-xl) 0;
}

.article-layout {
  max-width: 800px;
  margin: 0 auto;
}

.article-main {
  width: 100%;
}

.disclosure-box {
  padding: var(--affiling-spacing-lg);
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: var(--affiling-radius-lg);
  margin-bottom: var(--affiling-spacing-xl);
}

.disclosure-header {
  display: flex;
  align-items: center;
  gap: var(--affiling-spacing);
  margin-bottom: var(--affiling-spacing);
}

.disclosure-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #92400e;
  margin: 0;
}

.disclosure-header svg {
  color: #92400e;
  flex-shrink: 0;
}

.disclosure-box p {
  font-size: 0.875rem;
  color: #92400e;
  line-height: 1.7;
  margin: 0;
}

.article-body {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--affiling-text);
}

.article-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--affiling-text);
  margin-top: var(--affiling-spacing-xl);
  margin-bottom: var(--affiling-spacing);
  padding-bottom: var(--affiling-spacing);
  border-bottom: 2px solid var(--affiling-border);
}

.article-body h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-top: var(--affiling-spacing-lg);
  margin-bottom: var(--affiling-spacing);
}

.article-body h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-top: var(--affiling-spacing-lg);
  margin-bottom: var(--affiling-spacing);
}

.article-body p {
  margin-bottom: var(--affiling-spacing-lg);
  color: var(--affiling-text);
  line-height: 1.9;
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--affiling-spacing-lg);
  padding-left: var(--affiling-spacing-lg);
  color: var(--affiling-text);
}

.article-body li {
  margin-bottom: var(--affiling-spacing);
  line-height: 1.8;
}

.article-body a {
  color: var(--affiling-primary);
  text-decoration: underline;
  transition: color 0.2s;
}

.article-body a:hover {
  color: var(--affiling-primary-hover);
  text-decoration: none;
}

.article-body img {
  width: 100%;
  height: auto;
  border-radius: var(--affiling-radius-lg);
  margin: var(--affiling-spacing-xl) 0;
  box-shadow: var(--affiling-shadow-md);
}

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

.article-body code {
  font-family: var(--affiling-font-mono);
  font-size: 0.875em;
  background: var(--affiling-bg-secondary);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  color: #e11d48;
}

.article-body pre {
  background: var(--affiling-bg-secondary);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius);
  padding: var(--affiling-spacing-lg);
  overflow-x: auto;
  margin: var(--affiling-spacing-xl) 0;
}

.article-body pre code {
  background: transparent;
  padding: 0;
  color: var(--affiling-text);
}

.article-loading {
  text-align: center;
  padding: var(--affiling-spacing-xl) 0;
  color: var(--affiling-text-secondary);
}

/* Table of Contents */
.toc-container {
  background: var(--affiling-bg-secondary);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius-lg);
  padding: var(--affiling-spacing-lg);
  margin-bottom: var(--affiling-spacing-xl);
}

.toc-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-bottom: var(--affiling-spacing);
}

.toc-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toc-link {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--affiling-text-secondary);
  text-decoration: none;
  border-radius: var(--affiling-radius);
  transition: all 0.2s;
  font-size: 0.875rem;
  line-height: 1.5;
}

.toc-link:hover {
  background: var(--affiling-bg-tertiary);
  color: var(--affiling-primary);
}

.toc-link.active {
  background: #dbeafe;
  color: var(--affiling-primary);
  font-weight: 500;
  border-left: 3px solid var(--affiling-primary);
  padding-left: calc(0.75rem - 3px);
}

.toc-h3 {
  padding-left: 1.5rem;
  font-size: 0.8125rem;
}

/* Heading Anchors */
.article-body h2,
.article-body h3 {
  position: relative;
}

.heading-anchor {
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity 0.2s;
  color: var(--affiling-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
}

.article-body h2:hover .heading-anchor,
.article-body h3:hover .heading-anchor {
  opacity: 0.6;
}

.heading-anchor:hover {
  opacity: 1 !important;
}

/* Related Articles */
.related-articles {
  margin-top: var(--affiling-spacing-xl);
  padding-top: var(--affiling-spacing-xl);
  border-top: 2px solid var(--affiling-border);
}

.related-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-bottom: var(--affiling-spacing-lg);
}

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

.related-article-card {
  background: var(--affiling-bg);
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius-lg);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.related-article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--affiling-shadow-lg);
  border-color: var(--affiling-primary);
}

.related-article-image {
  width: 100%;
  height: 160px;
  background: var(--affiling-bg-secondary);
  overflow: hidden;
}

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

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

.related-article-content {
  padding: var(--affiling-spacing);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.related-article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.related-article-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--affiling-text);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-article-excerpt {
  font-size: 0.875rem;
  color: var(--affiling-text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* Comparison Table Enhancements */
.comparison-table-wrapper {
  overflow-x: auto;
  margin: var(--affiling-spacing-xl) 0;
  border: 1px solid var(--affiling-border);
  border-radius: var(--affiling-radius-lg);
  background: var(--affiling-bg);
}

.comparison-table-enhanced {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table-enhanced th,
.comparison-table-enhanced td {
  padding: var(--affiling-spacing);
  text-align: left;
  border-bottom: 1px solid var(--affiling-border);
}

.comparison-table-header th {
  background: var(--affiling-bg-secondary);
  font-weight: 600;
  color: var(--affiling-text);
  position: sticky;
  top: 0;
  z-index: 10;
}

.comparison-table-enhanced tbody tr:hover {
  background: var(--affiling-bg-secondary);
}

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

.price-cell {
  font-weight: 600;
  color: var(--affiling-primary);
}

/* Star Rating System */
.star-rating {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.star {
  flex-shrink: 0;
  color: var(--affiling-warning);
}

.star-filled {
  color: var(--affiling-warning);
  fill: var(--affiling-warning);
}

.star-half {
  color: var(--affiling-warning);
  fill: var(--affiling-warning);
  opacity: 0.7;
}

.star-empty {
  color: var(--affiling-border);
  stroke: var(--affiling-border);
}

.rating-value {
  margin-left: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--affiling-text-secondary);
}

/* Responsive */
@media (max-width: 767px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .filter-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .filter-tabs::-webkit-scrollbar {
    display: none;
  }
  
  .page-header {
    padding: var(--affiling-spacing-lg) 0 var(--affiling-spacing);
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .page-description {
    font-size: 1rem;
  }
  
  .article-header {
    padding: var(--affiling-spacing-lg) 0;
  }
  
  .article-title-main {
    font-size: 1.75rem;
  }
  
  .article-excerpt-main {
    font-size: 1rem;
  }
  
  .article-body {
    font-size: 1rem;
  }
  
  .article-body h2 {
    font-size: 1.5rem;
  }
  
  .article-body h3 {
    font-size: 1.25rem;
  }
  
  .articles-layout {
    grid-template-columns: 1fr;
  }
  
  .articles-sidebar {
    order: -1;
  }
}