/* station/style.css - Complete Stylesheet */

:root {
  /* Light Theme Color Palette */
  --bg-primary: #fafaf9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f5f5f4;
  --bg-warm: #fef7f0;

  --accent-coral: #ff6b6b;
  --accent-teal: #14b8a6;
  --accent-amber: #f59e0b;
  --accent-indigo: #6366f1;
  --accent-rose: #f43f5e;

  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #a8a29e;
  --text-light: #d6d3d1;

  --border-light: #e7e5e4;
  --border-medium: #d6d3d1;

  --shadow-sm: 0 1px 2px 0 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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --header-height: 55px;
  --max-width: 1280px;
  --sidebar-width: 340px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Expandable Cards Variables */
  --expandable-height: 480px;
  --expandable-collapsed: 80px;
  --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-duration: 600ms;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  height: var(--header-height);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
  position: relative;
}

.logo::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-teal));
  border-radius: 2px;
}

.main-nav {
  display: flex;
}

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

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-coral);
  transition: var(--transition);
  border-radius: 2px;
}

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

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  transform-origin: center;
  border-radius: 2px;
}

.main-content {
  min-height: calc(100vh - var(--header-height) - 180px);
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-teal));
  border-radius: 2px;
}

/* Featured Expandable Cards */
.featured-expandable {
  margin-bottom: var(--spacing-2xl);
  padding: 0 0 var(--spacing-xl);
  overflow: hidden;
}

.expandable-track {
  display: flex;
  gap: 12px;
  height: var(--expandable-height);
  align-items: stretch;
  transform: translateZ(0);
  will-change: transform;
}

.expandable-card {
  position: relative;
  flex: 0 0 var(--expandable-collapsed);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: flex var(--transition-duration) var(--transition-timing),
    transform var(--transition-duration) var(--transition-timing);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transform: translateZ(0);
  will-change: flex, transform;
  contain: layout style paint;
}

.expandable-card.active {
  flex: 1 1 0%;
  cursor: default;
  z-index: 2;
}

.expandable-card.prev-active {
  z-index: 1;
}

.expandable-card:hover:not(.active):not(.prev-active) {
  flex: 0 0 100px;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-visual {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.card-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.15);
  transition: transform var(--transition-duration) var(--transition-timing);
  will-change: transform;
  backface-visibility: hidden;
}

.expandable-card.active .card-bg-image {
  transform: scale(1);
}

.card-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      transparent 0%,
      rgba(28, 25, 23, 0.3) 40%,
      rgba(28, 25, 23, 0.85) 100%);
  opacity: 0.5;
  transition: opacity var(--transition-duration) var(--transition-timing);
  will-change: opacity;
  transform: translateZ(0);
}

.expandable-card.active .card-gradient {
  opacity: 1;
}

.card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg);
  color: white;
  display: flex;
  flex-direction: column;
  opacity: 0.6;
  transform: translateY(20px);
  transition: opacity var(--transition-duration) var(--transition-timing),
    transform var(--transition-duration) var(--transition-timing);
  will-change: opacity, transform;
  contain: content;
}

.expandable-card.active .card-content {
  opacity: 1;
  transform: translateY(0);
}

.card-index {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-coral);
  margin-bottom: var(--spacing-sm);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 400ms var(--transition-timing) 100ms,
    transform 400ms var(--transition-timing) 100ms;
  will-change: opacity, transform;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  height: 200px;
  opacity: 0.8;
  transition: all var(--transition-duration) var(--transition-timing);
  will-change: transform, opacity;
}

.card-brief {
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--spacing-md);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--transition-duration) var(--transition-timing),
    opacity 400ms var(--transition-timing) 150ms;
  will-change: max-height, opacity;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 400ms var(--transition-timing) 200ms,
    transform 400ms var(--transition-timing) 200ms;
  will-change: opacity, transform;
}

.meta-dot {
  color: var(--accent-coral);
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--accent-coral);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 400ms var(--transition-timing) 250ms,
    transform 400ms var(--transition-timing) 250ms,
    background-color 200ms ease,
    transform 200ms ease;
  will-change: opacity, transform;
  width: fit-content;
}

.expandable-card.active .card-index,
.expandable-card.active .card-meta,
.expandable-card.active .card-cta {
  opacity: 1;
  transform: translateY(0);
}

.expandable-card.active .card-title {
  font-size: 1.75rem;
  writing-mode: horizontal-tb;
  height: auto;
  white-space: normal;
  text-overflow: clip;
  margin-bottom: var(--spacing-md);
  opacity: 1;
}

.expandable-card.active .card-brief {
  max-height: 300px;
  opacity: 1;
}

.card-cta:hover {
  background: #ff5252;
  transform: translateX(4px);
}

.card-cta svg {
  transition: transform 0.3s ease;
}

.card-cta:hover svg {
  transform: translateX(4px);
}

.expandable-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  min-height: 44px;
}

.nav-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border-light);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 200ms ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transform: translateZ(0);
}

.nav-arrow:hover {
  border-color: var(--accent-coral);
  color: var(--accent-coral);
  transform: scale(1.1);
}

.nav-arrow:active {
  transform: scale(0.92);
}

.nav-arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.nav-indicators {
  display: flex;
  gap: 8px;
  min-width: 120px;
  justify-content: center;
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border-medium);
  cursor: pointer;
  transition: all 300ms var(--transition-timing);
  padding: 0;
  position: relative;
}

.indicator::after {
  content: '';
  position: absolute;
  inset: -8px;
}

.indicator.active {
  background: var(--accent-coral);
  width: 32px;
  border-radius: 4px;
}

.indicator:hover:not(.active) {
  background: var(--accent-teal);
  transform: scale(1.2);
}

/* Category Pills */
.category-pills {
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl) 0;
  background: var(--bg-warm);
  border-radius: var(--radius-xl);
  margin-left: calc(-1 * var(--spacing-md));
  margin-right: calc(-1 * var(--spacing-md));
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

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

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.category-pill:hover {
  border-color: var(--accent-coral);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pill-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: white;
}

.pill-0 .pill-icon {
  background: var(--accent-coral);
}

.pill-1 .pill-icon {
  background: var(--accent-teal);
}

.pill-2 .pill-icon {
  background: var(--accent-amber);
}

.pill-3 .pill-icon {
  background: var(--accent-indigo);
}

.pill-4 .pill-icon {
  background: var(--accent-rose);
}

.pill-name {
  font-weight: 600;
  color: var(--text-primary);
}

/* Editorial Grid */
.editorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.editorial-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.editorial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--accent-teal);
}

.editorial-image-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.editorial-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.editorial-card:hover .editorial-image {
  transform: scale(1.03);
}

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

.editorial-header {
  margin-bottom: var(--spacing-sm);
}

.editorial-category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-warm);
  color: var(--accent-coral);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-sm);
}

.editorial-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

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

.editorial-title a:hover {
  color: var(--accent-coral);
}

.editorial-brief {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.editorial-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.reading-count {
  color: var(--text-muted);
}

/* Layout with Sidebar */
.content-layout {
  display: grid;
  gap: var(--spacing-2xl);
}

.content-layout.with-sidebar {
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
}

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

.sidebar-column {
  /* position: sticky;
  top: calc(var(--header-height) + var(--spacing-xl)); */
  height: fit-content;
}

/* Sidebar Widgets */
.widget {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.widget-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-light);
}

.author-card-mini {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.author-avatar-mini {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-teal);
  padding: 2px;
  background: white;
}

.author-info-mini {
  flex: 1;
}

.author-name {
  display: block;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
  font-size: 1.05rem;
}

.author-desc-mini {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.category-list {
  list-style: none;
}

.category-list li {
  margin-bottom: 2px;
}

.category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition);
  font-weight: 500;
}

.category-link:hover {
  background: var(--bg-warm);
  color: var(--accent-coral);
}

.cat-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.category-link:hover .cat-count {
  background: var(--accent-coral);
  color: white;
}

.trending-list {
  list-style: none;
}

.trending-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-light);
}

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

.trending-date {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 600;
}

.trending-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  display: block;
}

.trending-link:hover {
  color: var(--accent-coral);
}

/* Breadcrumb */
.breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  align-items: center;
}

.breadcrumb li:not(:last-child)::after {
  content: '›';
  margin-left: var(--spacing-xs);
  color: var(--text-light);
  font-weight: 700;
}

.breadcrumb a {
  color: var(--text-secondary);
  font-weight: 500;
}

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

/* Category Page - Timeline Layout */
.post_tag_name {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.post_tag_name::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-teal));
  border-radius: 2px;
}

.timeline-list {
  position: relative;
  padding-left: 30px;
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-light);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding-left: var(--spacing-lg);
}

.timeline-marker {
  position: absolute;
  left: -36px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-teal);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px var(--accent-teal);
}

.timeline-content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  align-items: stretch;
}

.timeline-content:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-teal);
}

.timeline-image {
  width: 100%;
  height: 100%;
  min-height: 210px;
  overflow: hidden;
  background: var(--bg-tertiary);
  position: relative;
}

.timeline-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform 0.4s ease;
  position: absolute;
  top: 0;
  left: 0;
}

.timeline-content:hover .timeline-image img {
  transform: scale(1.05);
}

.timeline-body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.timeline-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  align-items: center;
}

.timeline-category {
  color: var(--accent-coral);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.75rem;
}

.timeline-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

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

.timeline-title a:hover {
  color: var(--accent-coral);
}

.timeline-excerpt {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.timeline-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.read-link {
  color: var(--accent-teal);
  font-weight: 700;
}

.read-link:hover {
  color: var(--accent-coral);
}

/* Pagination */
.pagination-nav {
  margin-top: var(--spacing-2xl);
}

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

.page-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 var(--spacing-sm);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.page-item:hover:not(.disabled):not(.active) {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.page-item.active {
  background: var(--accent-coral);
  border-color: var(--accent-coral);
  color: white;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.page-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--bg-tertiary);
}

.page-item.dots {
  border: none;
  background: transparent;
  box-shadow: none;
  cursor: default;
  color: var(--text-muted);
}

/* Article Detail Page */
.article-main {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.article-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--border-light);
}

.article-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

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

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

.meta-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-teal);
}

.meta-info {
  display: flex;
  flex-direction: column;
}

.meta-author {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.05rem;
}

.meta-dates {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  align-items: center;
}

.update-badge {
  background: var(--bg-warm);
  color: var(--accent-amber);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.meta-stats {
  display: flex;
  gap: var(--spacing-md);
}

.stat-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* Article Body */
.article-body {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-body p {
  margin-bottom: var(--spacing-lg);
}

.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--text-primary);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  font-weight: 700;
  line-height: 1.3;
}

.article-body h2 {
  font-size: 1.875rem;
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-light);
}

.article-body h3 {
  font-size: 1.5rem;
  color: var(--accent-teal);
}

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

.article-body a {
  color: var(--accent-coral);
  border-bottom: 2px solid transparent;
  font-weight: 600;
}

.article-body a:hover {
  border-bottom-color: var(--accent-coral);
}

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

.article-body ul,
.article-body ol {
  margin: var(--spacing-lg) 0;
  padding-left: var(--spacing-xl);
}

.article-body li {
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.article-body li::marker {
  color: var(--accent-teal);
}

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

.author-profile-compact {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--bg-warm);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.author-avatar-large {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid white;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.author-details {
  flex: 1;
}

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

.author-name-large {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.author-role {
  font-size: 0.75rem;
  color: var(--accent-teal);
  background: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.author-bio {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.author-full-bio {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Article Navigation */
.article-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 2px solid var(--border-light);
}

.nav-prev,
.nav-next {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  transition: var(--transition);
}

.nav-prev:hover,
.nav-next:hover {
  border-color: var(--accent-coral);
  background: var(--bg-warm);
}

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

.nav-label {
  font-size: 0.75rem;
  color: var(--accent-coral);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--spacing-xs);
  font-weight: 800;
}

.nav-title {
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  font-size: 1.1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.related-horizontal {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  padding-bottom: var(--spacing-md);
  scrollbar-width: thin;
  scrollbar-color: var(--border-medium) transparent;
}

.related-horizontal::-webkit-scrollbar {
  height: 6px;
}

.related-horizontal::-webkit-scrollbar-track {
  background: transparent;
}

.related-horizontal::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 3px;
}

.related-mini {
  flex: 0 0 280px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.related-mini:hover {
  border-color: var(--accent-coral);
  transform: translateY(-2px);
}

.related-mini-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.related-mini-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

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

.related-mini-cat {
  font-size: 0.7rem;
  color: var(--accent-coral);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.related-mini-title {
  font-size: 1rem;
  font-weight: 700;
  margin: var(--spacing-xs) 0;
  line-height: 1.4;
}

.related-mini-title a {
  color: var(--text-primary);
}

.related-mini-content time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.comment-form {
  background: var(--bg-tertiary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

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

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-xl);
  background: var(--accent-coral);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.submit-btn:hover {
  background: #ff5252;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Author Profile Page */
.single-column {
  max-width: 800px;
  margin: 0 auto;
}

.author-profile-page {
  padding: var(--spacing-xl) 0;
}

.author-hero-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  background: var(--bg-secondary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  margin-bottom: var(--spacing-2xl);
}

.author-hero-visual {
  position: relative;
}

.author-hero-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid white;
  box-shadow: var(--shadow-xl);
}

.author-hero-info {
  text-align: left;
}

.author-hero-name {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.author-hero-role {
  color: var(--accent-teal);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.author-hero-tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.author-stats {
  display: flex;
  gap: var(--spacing-xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-coral);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.author-bio-full {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.author-bio-full p {
  margin-bottom: var(--spacing-lg);
}

/* Static Page */
.static-page {
  background: var(--bg-secondary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.editorial-page {
  max-width: 720px;
  margin: 0 auto;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
  text-align: center;
  position: relative;
  padding-bottom: var(--spacing-md);
}

.page-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-teal));
  border-radius: 2px;
}

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

.page-content h2,
.page-content h3 {
  color: var(--text-primary);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  font-weight: 700;
}

.page-content p {
  margin-bottom: var(--spacing-lg);
}

/* More Article Page - Masonry Grid */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.masonry-item {
  break-inside: avoid;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: inline-block;
  width: 100%;
}

.masonry-item:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-teal);
}

.masonry-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.masonry-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.masonry-item:hover .masonry-image img {
  transform: scale(1.03);
}

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

.masonry-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.masonry-category {
  color: var(--accent-coral);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.7rem;
}

.masonry-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

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

.masonry-title a:hover {
  color: var(--accent-coral);
}

.masonry-brief {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.masonry-footer {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* All Article Page - Minimal List */
.minimal-list {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.simple-archive {
  list-style: none;
}

.simple-item {
  display: flex;
  align-items: baseline;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

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

.simple-date {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
  min-width: 110px;
  font-weight: 600;
}

.simple-link {
  flex: 1;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.4;
  padding-right: var(--spacing-md);
}

.simple-link:hover {
  color: var(--accent-coral);
}

.simple-divider {
  flex: 1;
  border-bottom: 1px dotted var(--border-medium);
  margin: 0 var(--spacing-sm);
  min-width: 20px;
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer-menu {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.footer-menu a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
}

.footer-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-coral);
  transition: var(--transition);
}

.footer-menu a:hover {
  color: var(--accent-coral);
}

.footer-menu a:hover::after {
  width: 100%;
}

.copyright {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

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

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-teal));
  z-index: 999;
  transition: width 0.1s;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-light);
  color: var(--accent-coral);
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  font-weight: 700;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-coral);
  color: white;
  border-color: var(--accent-coral);
  transform: translateY(-2px);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .expandable-card,
  .card-bg-image,
  .card-content,
  .card-index,
  .card-title,
  .card-brief,
  .card-meta,
  .card-cta,
  .card-gradient {
    transition-duration: 0.01ms !important;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .content-layout.with-sidebar {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar-column {
    position: static;
    order: 2;
  }

  .author-hero-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .author-hero-info {
    text-align: center;
  }

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

  .masonry-grid {
    column-count: 1;
  }

  .timeline-content {
    grid-template-columns: 240px 1fr;
  }

  .timeline-image {
    min-height: 180px;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

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

  .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Expandable Cards Mobile */
  .expandable-track {
    flex-direction: column;
    height: auto;
    gap: var(--spacing-md);
    will-change: auto;
    transform: none;
  }

  .expandable-card {
    flex: none !important;
    height: 200px;
    width: 100%;
    transition: transform 300ms ease, box-shadow 300ms ease;
    will-change: transform;
  }

  .expandable-card.active {
    height: 380px;
    animation: none;
  }

  .card-content {
    opacity: 1;
    transform: translateY(0);
    transition: none;
  }

  .card-index,
  .card-meta,
  .card-cta {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .card-title {
    writing-mode: horizontal-tb;
    height: auto;
    white-space: normal;
    font-size: 1.25rem;
    opacity: 1;
    transition: none;
  }

  .card-brief {
    max-height: none;
    opacity: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: none;
  }

  .card-cta {
    margin-top: var(--spacing-sm);
  }

  .expandable-nav {
    display: none;
  }

  /* Editorial Grid */
  .editorial-grid {
    grid-template-columns: 1fr;
  }

  /* Timeline */
  .timeline-list {
    padding-left: 20px;
  }

  .timeline-marker {
    left: -26px;
  }

  .timeline-content {
    grid-template-columns: 1fr;
  }

  .timeline-image {
    aspect-ratio: 16/9;
    min-height: auto;
  }

  .timeline-image img {
    position: relative;
  }

  .timeline-body {
    padding: var(--spacing-md);
  }

  /* Article */
  .article-main {
    padding: var(--spacing-md);
  }

  .article-title {
    font-size: 1.875rem;
  }

  .article-meta-bar {
    align-items: flex-start;
  }

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

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

  /* Related */
  .related-horizontal {
    flex-direction: column;
  }

  .related-mini {
    flex: 0 0 auto;
  }

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

  /* Category Pills */
  .category-pills {
    margin-left: 0;
    margin-right: 0;
    border-radius: var(--radius-lg);
  }

  .pills-container {
    justify-content: center;
  }

  /* Archive */
  .simple-item {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .simple-divider {
    display: none;
  }

  .page-title {
    font-size: 1.875rem;
  }

  .main-content {
    padding-top: var(--spacing-lg);
  }

  .author-profile-compact {
    flex-direction: column;
  }

  .post_tag_name {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-md: 0.875rem;
    --spacing-lg: 1.25rem;
    --spacing-xl: 1.75rem;
    --spacing-2xl: 2.5rem;
  }

  html {
    font-size: 15px;
  }

  .logo {
    font-size: 1.25rem;
  }

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

  .mosaic-content,
  .editorial-content,
  .timeline-body {
    padding: var(--spacing-md);
  }

  .widget {
    padding: var(--spacing-md);
  }

  .static-page,
  .minimal-list {
    padding: var(--spacing-lg);
  }

  .author-hero-card {
    padding: var(--spacing-lg);
  }

  .author-hero-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto;
  }

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

  .expandable-card {
    height: 180px;
  }

  .expandable-card.active {
    height: 350px;
  }

  .card-title {
    font-size: 1.1rem;
  }

  .card-brief {
    font-size: 0.85rem;
  }
}