/*
Theme Name: NepalKoPage v2
Theme URI: https://nepalkopage.com
Author: NepalKoPage
Author URI: https://nepalkopage.com
Description: Modern bilingual English/Nepali editorial theme with dark mode, gallery, archive. Requires Polylang for bilingual.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nepalkopage
Tags: blog, custom-menu, featured-images, translation-ready, dark-mode, editorial
*/

:root {
  /* Brand Colors */
  --color-primary: #1b2f5c;
  --color-primary-dark: #0a1628;
  --color-accent: #c8332a;
  --color-accent-hover: #a0261f;
  --color-bg: #f5f4f1;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-border: #e0e0e0;
  --color-muted: #f0f0f0;

  /* Dark Mode */
  --color-dark-bg: #0e1117;
  --color-dark-surface: #161b27;
  --color-dark-text: #e8eef5;
  --color-dark-text-secondary: #b0b8c8;
  --color-dark-border: #252d3d;
  --color-dark-muted: #1f2433;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', serif;
  --font-nepali: 'Hind', 'Noto Sans Devanagari', sans-serif;

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

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

[data-theme="dark"] {
  --color-bg: var(--color-dark-bg);
  --color-surface: var(--color-dark-surface);
  --color-text: var(--color-dark-text);
  --color-text-secondary: var(--color-dark-text-secondary);
  --color-border: var(--color-dark-border);
  --color-muted: var(--color-dark-muted);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  transition: background-color var(--transition-base), color var(--transition-base);
}

[lang="ne"], [lang="ne-NP"] {
  font-family: var(--font-nepali);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

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

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

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

button, input[type="button"], input[type="submit"], .button {
  font-family: var(--font-body);
  cursor: pointer;
}

/* Header & Navigation */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

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

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

.primary-nav a {
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.primary-nav a:hover,
.primary-nav a.current {
  color: var(--color-accent);
}

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

.btn-icon {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-text);
  padding: var(--spacing-sm);
  border-radius: 4px;
  transition: background-color var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--color-muted);
}

.language-switcher {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 0.9rem;
}

.language-switcher a {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  transition: background-color var(--transition-fast);
}

.language-switcher a.active {
  background-color: var(--color-accent);
  color: white !important;
}

.mobile-nav-toggle {
  display: none;
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav-list {
  list-style: none;
  margin-top: var(--spacing-2xl);
}

.mobile-nav-list li {
  margin-bottom: var(--spacing-lg);
}

.mobile-nav-list a {
  font-size: 1.1rem;
  color: var(--color-text);
}

/* Category Pills */
.category-pills {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  overflow-x: auto;
  scroll-behavior: smooth;
}

.category-pills-list {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  max-width: 1200px;
  margin: 0 auto;
  white-space: nowrap;
}

.category-pills-item {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-muted);
  border-radius: 20px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  flex-shrink: 0;
}

.category-pills-item:hover,
.category-pills-item.active {
  background-color: var(--color-accent);
  color: white;
}

.category-pills-item a {
  color: inherit;
}

/* Content Layout */
.site-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.article-container {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--spacing-2xl);
}

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

.article-sidebar {
  /* Sidebar content */
}

/* Hero Section */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: var(--spacing-3xl);
  min-height: 500px;
  display: flex;
  align-items: flex-end;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(27, 47, 92, 0.8) 0%, rgba(200, 51, 42, 0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--spacing-2xl);
  color: white;
}

.hero-kicker {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
}

.hero h1 {
  font-size: 3rem;
  color: white;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero-excerpt {
  font-size: 1.1rem;
  opacity: 0.95;
  max-width: 600px;
}

/* Post Grid */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.post-card {
  background-color: var(--color-surface);
  border-radius: 8px;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-border);
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.post-card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

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

.post-card-kicker {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.post-card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.post-card-excerpt {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.post-card-meta-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.post-card.large {
  grid-column: span 1;
}

.post-card.large .post-card-image {
  height: 400px;
}

/* Gallery Section */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  aspect-ratio: 1;
}

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

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(200, 51, 42, 0.6);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover::after {
  opacity: 1;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
}

.lightbox-image {
  width: 100%;
  height: auto;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  padding: var(--spacing-lg);
  transition: background-color var(--transition-fast);
  border-radius: 4px;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
  left: var(--spacing-lg);
}

.lightbox-next {
  right: var(--spacing-lg);
}

.lightbox-counter {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 0.9rem;
}

/* Archive & Listing */
.archive-year {
  margin-bottom: var(--spacing-3xl);
}

.archive-year-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: var(--spacing-2xl);
}

.archive-posts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

/* Article Layout */
.article-header {
  margin-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-2xl);
}

.article-kicker {
  font-size: 0.9rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
}

.article-title {
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.article-lede {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 700px;
  margin-bottom: var(--spacing-lg);
}

.article-meta {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

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

.article-byline-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.article-byline-name {
  font-weight: 600;
  color: var(--color-text);
}

.article-featured-image {
  width: 100%;
  max-height: 600px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: var(--spacing-2xl);
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}

.article-body h2,
.article-body h3,
.article-body h4 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

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

.article-body blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

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

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

/* Sidebar */
.sidebar {
  /* Sidebar styling */
}

.sidebar-widget {
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.sidebar-widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-accent);
}

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

.sidebar-list li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-list li:last-child {
  border-bottom: none;
}

.sidebar-list a {
  color: var(--color-text);
}

.sidebar-list a:hover {
  color: var(--color-accent);
}

/* Table of Contents */
.toc {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.toc-title {
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.toc-list {
  list-style: none;
  font-size: 0.9rem;
}

.toc-list li {
  margin-bottom: var(--spacing-sm);
}

.toc-list a {
  color: var(--color-text-secondary);
}

.toc-list a:hover {
  color: var(--color-accent);
}

.toc-list.nested {
  margin-left: var(--spacing-lg);
  border-left: 2px solid var(--color-border);
  padding-left: var(--spacing-md);
}

/* Share Buttons */
.share-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.share-button {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.9rem;
}

.share-button:hover {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background-color: var(--color-accent);
  z-index: 999;
  width: 0%;
  transition: width var(--transition-fast);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background-color: var(--color-accent);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: 100;
}

.back-to-top.active {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background-color: var(--color-accent-hover);
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="search"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-body);
  background-color: var(--color-surface);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 51, 42, 0.1);
}

.search-form {
  margin-bottom: var(--spacing-2xl);
}

.search-form .search-field {
  margin-bottom: 0;
}

.search-form .search-submit {
  width: auto;
}

/* Buttons */
.button,
button,
input[type="button"],
input[type="submit"] {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-accent);
  color: white;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  transition: background-color var(--transition-fast);
  cursor: pointer;
}

.button:hover,
button:hover,
input[type="button"]:hover,
input[type="submit"]:hover {
  background-color: var(--color-accent-hover);
}

.button-secondary {
  background-color: var(--color-muted);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.button-secondary:hover {
  background-color: var(--color-border);
}

/* Pagination */
.pagination {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin: var(--spacing-3xl) 0;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.pagination .current {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* Comments */
.comments-area {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

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

.comment {
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.comment-meta {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.comment-author {
  font-weight: 700;
  color: var(--color-text);
}

.comment-text {
  margin-bottom: var(--spacing-md);
}

.reply {
  font-size: 0.9rem;
}

.comment-form {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.comment-form label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

/* 404 Page */
.page-404 {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.page-404 .code {
  font-size: 8rem;
  font-family: var(--font-display);
  color: var(--color-accent);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-lg);
}

.page-404 h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

.page-404 p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
}

/* Newsletter Section */
.newsletter-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  padding: var(--spacing-3xl) var(--spacing-lg);
  border-radius: 8px;
  margin-bottom: var(--spacing-3xl);
  text-align: center;
}

.newsletter-section h2 {
  color: white;
}

.newsletter-section p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-md);
  max-width: 500px;
  margin: var(--spacing-lg) auto 0;
}

.newsletter-form input {
  flex: 1;
  background-color: white;
  color: var(--color-text);
  border: none;
}

.newsletter-form button {
  background-color: white;
  color: var(--color-accent);
  font-weight: 700;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
}

.newsletter-form button:hover {
  background-color: var(--color-muted);
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: var(--color-text-secondary);
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-muted);
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-accent);
  color: white;
}

/* Translation Notice */
.translation-notice {
  background-color: rgba(200, 51, 42, 0.1);
  border-left: 4px solid var(--color-accent);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  border-radius: 4px;
}

.translation-notice strong {
  color: var(--color-accent);
}

/* Author Bio */
.author-bio {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin: var(--spacing-3xl) 0;
  display: flex;
  gap: var(--spacing-lg);
}

.author-bio-image {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio-content h3 {
  margin-bottom: var(--spacing-sm);
}

.author-bio-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.author-bio-link {
  font-size: 0.9rem;
}

/* Related Posts */
.related-posts {
  margin: var(--spacing-3xl) 0;
}

.related-posts-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
}

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

/* Post Navigation */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-3xl) 0;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.post-nav-prev,
.post-nav-next {
  padding: var(--spacing-lg);
}

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

.post-nav-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  font-weight: 600;
}

.post-nav-title {
  color: var(--color-text);
}

.post-nav-title:hover {
  color: var(--color-accent);
}

/* Login Page */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.login-page .login {
  background-color: var(--color-surface);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  padding: var(--spacing-2xl);
  max-width: 400px;
  width: 100%;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .site-content {
    padding: var(--spacing-xl) var(--spacing-md);
  }

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

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

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

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

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero h1 { font-size: 2rem; }
  .article-title { font-size: 1.8rem; }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .primary-nav {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .post-grid,
  .archive-posts,
  .gallery-grid,
  .related-posts-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 300px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

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

  .article-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
  }

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

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

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

  .post-nav-next {
    text-align: left;
  }

  .newsletter-form {
    flex-direction: column;
  }

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

  .author-bio-image {
    width: 80px;
    height: 80px;
    margin: 0 auto;
  }

  .share-buttons {
    flex-direction: column;
  }

  .share-button {
    text-align: center;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.1rem; }

  .article-meta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 1.2rem;
  }

  .lightbox-close {
    top: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: var(--spacing-md);
  }

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

  .hero {
    min-height: 250px;
  }

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

  .article-title {
    font-size: 1.25rem;
  }

  .hero h1 {
    font-size: 1.25rem;
  }

  .post-card-content {
    padding: var(--spacing-md);
  }

  .hero-excerpt {
    font-size: 1rem;
  }

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

  h1 { font-size: 1.25rem; }
  h2 { font-size: 1rem; }
  h3 { font-size: 0.95rem; }

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

  .category-pills-list {
    gap: var(--spacing-sm);
  }

  .category-pills-item {
    font-size: 0.85rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .page-404 .code {
    font-size: 4rem;
  }
}