:root {
  --color-primary: #1e40af;
  --color-primary-hover: #1e3a8a;
  --color-primary-light: #dbeafe;
  --color-accent: #f97316;
  --color-accent-hover: #ea580c;
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-surface-hover: #f5f5f4;
  --color-text: #1c1917;
  --color-text-secondary: #57534e;
  --color-text-muted: #78716c;
  --color-border: #e7e5e4;
  --color-border-light: #f5f5f4;
  --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 4rem;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --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);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

* {
  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-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

img, video, svg, iframe {
  max-width: 100%;
  height: auto;
}

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

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== Header ===== */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  transition: box-shadow var(--transition-base);
}

.top-bar.scrolled {
  box-shadow: var(--shadow-sm);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-accent);
}

.nav-desktop {
  display: none;
}

.nav-desktop a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.hamburger {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: var(--color-surface-hover);
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: var(--color-bg);
  z-index: 99;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  max-width: 100%;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-inner {
  padding: var(--space-lg);
}

.mobile-menu a {
  display: block;
  padding: var(--space-md);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.mobile-menu a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ===== Main Content ===== */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md);
  padding-top: var(--space-lg);
}

.wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md);
  padding-top: var(--space-lg);
}

/* ===== Hero Section ===== */
.hero {
  margin-bottom: var(--space-3xl);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.hero-main {
  position: relative;
  min-width: 0;
}

.hero-main-article {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hero-main-article:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero-image-container {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--color-primary-light);
}

.hero-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.hero-main-article:hover .hero-image-container img {
  transform: scale(1.03);
}

.hero-category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-primary);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  min-height: 28px;
}

.chip--sm {
  font-size: 0.65rem;
  padding: 2px var(--space-sm);
}

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

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  overflow-wrap: anywhere;
}

.hero-excerpt {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero-side-article {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.hero-side-article:hover {
  border-color: var(--color-primary-light);
  background: var(--color-surface-hover);
}

.hero-side-image {
  flex-shrink: 0;
  width: 120px;
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-primary-light);
}

.hero-side-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-side-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-side-content .chip {
  align-self: flex-start;
  margin-bottom: var(--space-sm);
}

.hero-side-title {
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-side-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ===== Category Nav ===== */
.category-nav {
  margin-bottom: var(--space-2xl);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: var(--space-sm);
}

.category-nav::-webkit-scrollbar {
  display: none;
}

.category-track {
  display: flex;
  gap: var(--space-sm);
  white-space: nowrap;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.category-tag:hover,
.category-tag.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ===== Section Header ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-text);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-more {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

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

.featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.featured-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.featured-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.featured-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-primary-light);
}

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

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

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

.featured-card-content .chip {
  margin-bottom: var(--space-sm);
}

.featured-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-sm);
  overflow-wrap: anywhere;
}

.featured-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.meta-dot {
  width: 3px;
  height: 3px;
  background: var(--color-border);
  border-radius: 50%;
}

/* ===== Articles List / Row Cards ===== */
.articles-section {
  margin-bottom: var(--space-3xl);
}

.articles-list {
  display: flex;
  flex-direction: column;
}

.row-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.row-card:first-child {
  padding-top: 0;
}

.row-card:hover {
  background: var(--color-surface-hover);
  border-radius: var(--radius-lg);
}

.row-card__pic {
  flex-shrink: 0;
  width: 200px;
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-primary-light);
}

.row-card__pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.row-card__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.row-card__head {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.row-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  overflow-wrap: anywhere;
}

.row-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.row-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

/* ===== Sidebar Layout ===== */
.with-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

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

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.sidebar-widget {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
}

.widget-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.popular-list {
  display: flex;
  flex-direction: column;
}

.popular-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.popular-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.popular-number {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary-light);
  line-height: 1;
  min-width: 2rem;
}

.popular-content {
  flex: 1;
  min-width: 0;
}

.popular-title {
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: var(--space-xs);
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.popular-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ===== Footer ===== */
.foot-bar {
  background: var(--color-text);
  color: white;
  margin-top: var(--space-4xl);
  position: relative;
}

.foot-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-primary) 20px,
    var(--color-accent) 20px,
    var(--color-accent) 40px
  );
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-md) var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer-brand span {
  color: var(--color-accent);
}

.footer-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-heading {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
  color: rgba(255, 255, 255, 0.5);
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Pager / Pagination ===== */
.pager {
  margin-top: var(--space-2xl);
  display: flex;
  justify-content: center;
}

.pager__track {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.pager__btn {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.pager__btn:hover,
.pager__btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.pager__btn:disabled,
.pager__btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Standalone Page ===== */
.standalone__top {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.standalone__top h1 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.standalone__body {
  max-width: 70ch;
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.standalone__body p {
  margin-bottom: var(--space-lg);
  overflow-wrap: anywhere;
}

/* ===== Archive / Catalog (all_article) ===== */
.catalog {
  max-width: 760px;
  margin: 0 auto;
}

.log__era {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  padding: var(--space-xl) 0 var(--space-md);
  border-bottom: 2px solid var(--color-primary);
  margin-top: var(--space-lg);
}

.log__era:first-child {
  margin-top: 0;
}

.log__row {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
  min-height: 44px;
}

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

.log__stamp {
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 48px;
}

.log__entry {
  flex: 1;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

/* ===== Detail / Read Page ===== */
.read__header {
  margin-bottom: var(--space-2xl);
}

.read__breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  overflow-wrap: anywhere;
}

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

.read__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
  overflow-wrap: anywhere;
}

.read__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.read__body {
  max-width: 70ch;
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-text);
}

.read__body p {
  margin-bottom: var(--space-lg);
  overflow-wrap: anywhere;
}

.read__body h1,
.read__body h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin: var(--space-2xl) 0 var(--space-md);
  overflow-wrap: anywhere;
}

.read__body h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  margin: var(--space-xl) 0 var(--space-md);
  overflow-wrap: anywhere;
}

.read__body h4 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
}

.read__body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.read__body ul,
.read__body ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.read__body ul { list-style: disc; }
.read__body ol { list-style: decimal; }

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

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

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

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

.read__body pre,
.read__body code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.read__body pre {
  background: var(--color-surface-hover);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin: var(--space-lg) 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.read__body code {
  background: var(--color-surface-hover);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

.read__body pre code {
  background: none;
  padding: 0;
}

.read__body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  overflow-x: auto;
  display: block;
  -webkit-overflow-scrolling: touch;
}

.read__body th,
.read__body td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.read__body th {
  background: var(--color-surface-hover);
  font-weight: 600;
}

.share-container {
  margin: var(--space-2xl) 0;
  padding: var(--space-xl);
  background: var(--color-surface-hover);
  border-radius: var(--radius-lg);
}

/* ===== Prev/Next Navigation ===== */
.prev-next-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.prev-next-card {
  display: block;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.prev-next-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
}

.prev-next-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.prev-next-title {
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

/* ===== Related Articles ===== */
.related {
  margin-top: var(--space-3xl);
}

.related-header {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-text);
}

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

/* ===== Author Page ===== */
.author-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
  flex-direction: column;
}

.author-info {
  flex: 1;
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  overflow: hidden;
  flex-shrink: 0;
}

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

.author-name-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.author-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
}

.author-meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.author-bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.follow-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-xl);
  background: var(--color-primary);
  color: white;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  min-height: 40px;
  transition: all var(--transition-fast);
}

.follow-btn:hover {
  background: var(--color-primary-hover);
}

.follow-btn.following {
  background: var(--color-surface-hover);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

/* ===== Tags ===== */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.tag-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  min-height: 36px;
}

.tag-link:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  z-index: 1000;
  transition: transform var(--transition-base);
}

.toast-container.show {
  transform: translateX(-50%) translateY(0);
}

.toast {
  background: var(--color-text);
  color: white;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
}

/* ===== Responsive Breakpoints ===== */
@media (min-width: 480px) {
  .main-content,
  .wrapper,
  .footer-inner {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .hero-side-image {
    width: 140px;
  }

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

@media (max-width: 599px) {
  .row-card {
    flex-direction: column;
    gap: var(--space-md);
  }

  .row-card__pic {
    width: 100%;
    aspect-ratio: 16/9;
  }

  .log__row {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .log__stamp {
    min-width: 0;
  }
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.5fr 1fr;
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

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

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

  .row-card__pic {
    width: 240px;
  }

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .read__title,
  .standalone__top h1 {
    font-size: var(--text-4xl);
  }
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .hamburger {
    display: none;
  }

  .mobile-menu {
    display: none;
  }

  .with-sidebar {
    grid-template-columns: 1fr 320px;
  }

  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1100px) {
  .main-content,
  .wrapper,
  .footer-inner {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}