/* Cognitive Theme - Modern Clean Design */

/* CSS Variables for theming */
:root {
  --color-primary: #2d3436;
  --color-primary-dark: #1e2124;
  --color-text: #2d3436;
  --color-text-light: #636e72;
  --color-background: #ffffff;
  --color-background-alt: #f8f9fa;
  --color-header-bg: #f1f2f6;
  --color-border: #ddd;
  --color-border-light: #e9ecef;
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, Inconsolata, 'Liberation Mono', 'Courier New', monospace;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --line-height-base: 1.6;
  --line-height-tight: 1.25;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --border-radius: 0.375rem;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
}

body {
  margin: 0;
  padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--spacing-md) 0;
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin: 0 0 var(--spacing-md) 0;
}

a {
  color: #0066cc;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #0052a3;
  text-decoration: underline;
}

/* Layout */
.header {
  background-color: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.site-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin: 0;
}

.site-title a {
  color: var(--color-text);
  text-decoration: none;
}

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

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-menu a,
.nav-link {
  color: var(--color-text-light);
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-menu a:hover,
.nav-link:hover {
  color: var(--color-text);
  text-decoration: none;
}

.nav-link--active {
  color: var(--color-primary) !important;
  font-weight: 600 !important;
  background-color: var(--color-background-alt);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: calc(var(--border-radius) / 2);
}

.nav-link--active:hover {
  color: var(--color-primary-dark) !important;
  background-color: var(--color-border-light);
}

.header-secondary {
  display: flex;
  align-items: center;
}

.about-link {
  color: var(--color-text-light);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.about-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.about-link--active {
  color: var(--color-primary) !important;
  font-weight: 600 !important;
  background-color: var(--color-background-alt);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: calc(var(--border-radius) / 2);
}

.about-link--active:hover {
  color: var(--color-primary-dark) !important;
  background-color: var(--color-border-light);
}

/* Container and main layout */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.main {
  width: 100%;
  min-height: calc(100vh - 200px);
}

/* Sidebar - Hidden by default, can be enabled via config */
.sidebar {
  display: none;
}

/* Sidebar layout when enabled */
.container.with-sidebar {
  max-width: 1200px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-2xl);
  align-items: start;
}

.container.with-sidebar .sidebar {
  display: block;
  width: 300px;
}

.widget {
  background: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-xl);
  overflow: hidden;
}

.widget-title {
  background: var(--color-background-alt);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

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

/* Widget lists */
.widget-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

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

.widget-list-link {
  color: var(--color-text);
  text-decoration: none;
  display: block;
  transition: color 0.2s ease;
}

.widget-list-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.widget-list-meta {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

.widget-list-counter {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-left: var(--spacing-xs);
}

/* Widget tag list */
.widget-taglist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.widget-taglist-link {
  background: var(--color-background-alt);
  color: var(--color-text-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--border-radius) / 2);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.widget-taglist-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  text-decoration: none;
}

.widget-taglist-counter {
  font-size: 0.75rem;
  opacity: 0.8;
}

/* Search widget */
.search-form {
  display: flex;
  gap: var(--spacing-sm);
}

.search-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-family: inherit;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.search-button {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.search-button:hover {
  background-color: var(--color-primary-dark);
}

.footer {
  background-color: var(--color-background-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-3xl);
  text-align: center;
  color: var(--color-text-light);
}

/* Home page */
.home-header {
  text-align: left;
  margin-bottom: var(--spacing-3xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border-light);
}

.home-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.home-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: none;
  margin: 0;
  line-height: 1.6;
}

/* Posts grid */
.posts {
  display: grid;
  gap: var(--spacing-3xl);
}

.post-summary {
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border-light);
  padding: 0 0 var(--spacing-2xl) 0;
  transition: border-color 0.2s ease;
}

.post-summary:hover {
  border-color: var(--color-border);
}

.post-summary:last-child {
  border-bottom: none;
}

.post-summary-header {
  margin-bottom: var(--spacing-md);
}

.post-summary-title {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-3xl);
  font-weight: 600;
  line-height: 1.2;
}

.post-summary-title a {
  color: var(--color-text);
  text-decoration: none;
}

.post-summary-title a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.post-summary-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.post-date {
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-weight: 400;
}

.post-categories {
  display: flex;
  gap: var(--spacing-xs);
}

.category {
  background-color: var(--color-background-alt);
  color: var(--color-text-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: 0.85rem;
  font-weight: 400;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid var(--color-border-light);
}

.category:hover {
  background-color: var(--color-border-light);
  color: var(--color-text);
  text-decoration: none;
}

.post-summary-content {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  line-height: 1.6;
}

.read-more {
  color: var(--color-primary);
  font-weight: 500;
}

.post-summary-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag {
  color: var(--color-text-light);
  font-size: 0.875rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--border-radius) / 2);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.tag:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  text-decoration: none;
}

/* Single post */
.post {
  max-width: 800px;
  margin: 0 auto;
}

.post-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.post-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

.post-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  color: var(--color-text-light);
}

.post-content {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  margin-bottom: var(--spacing-2xl);
}

.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

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

.post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  font-style: italic;
  color: var(--color-text-light);
}

.post-content code {
  background-color: var(--color-background-alt);
  padding: 0.125rem 0.25rem;
  border-radius: 0.25rem;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
}

.post-content pre {
  background-color: var(--color-background-alt);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-footer {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border-light);
  text-align: center;
}

/* Taxonomy pages */
.taxonomy-page,
.terms-page {
  max-width: 800px;
  margin: 0 auto;
}

.taxonomy-header,
.terms-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.taxonomy-title,
.terms-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
}

.taxonomy-count {
  color: var(--color-text-light);
  font-size: var(--font-size-lg);
}

.terms-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.term-item {
  background: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.term-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-border);
}

.term-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
  text-decoration: none;
}

.term-name {
  font-weight: 500;
}

.term-count {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-3xl);
}

.pagination a,
.pagination span {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.pagination a:hover {
  background-color: var(--color-background-alt);
  border-color: var(--color-primary);
  text-decoration: none;
}

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

/* Related posts */
.related-posts {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border-light);
}

.related-posts h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.related-post {
  background: var(--color-background-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: box-shadow 0.2s ease;
}

.related-post:hover {
  box-shadow: var(--shadow-sm);
}

.related-post h4 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-lg);
}

.related-post h4 a {
  color: var(--color-text);
}

.related-post .post-date {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.related-post p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin: 0;
}

/* Responsive design */
@media (max-width: 992px) {
  .container {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .header-nav {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
  }
  
  .nav-menu {
    gap: var(--spacing-md);
  }
  
  .container {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .post-summary {
    padding: var(--spacing-lg);
  }
  
  .post-summary-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .home-title,
  .post-title {
    font-size: var(--font-size-3xl);
  }
  
  .taxonomy-title,
  .terms-title {
    font-size: var(--font-size-2xl);
  }
  
  .terms-list {
    grid-template-columns: 1fr;
  }
  
  .widget-taglist {
    gap: var(--spacing-xs);
  }
  
  .widget-taglist-link {
    font-size: 0.75rem;
    padding: calc(var(--spacing-xs) / 2) var(--spacing-xs);
  }
}

/* RSS Styling */
.rss-icon {
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: var(--spacing-xs);
  color: #ff6600;
}

.rss-icon-small {
  width: 12px;
  height: 12px;
  vertical-align: middle;
  margin-right: calc(var(--spacing-xs) / 2);
  color: #ff6600;
}

/* Header RSS */
.rss-link {
  display: flex;
  align-items: center;
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.rss-link:hover {
  color: #ff6600;
  background-color: var(--color-background-alt);
  text-decoration: none;
}

/* Footer RSS */
.footer-rss {
  margin: var(--spacing-md) 0;
}

.footer-rss-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.875rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.footer-rss-link:hover {
  color: #ff6600;
  border-color: #ff6600;
  background-color: rgba(255, 102, 0, 0.05);
  text-decoration: none;
}

/* Taxonomy RSS */
.taxonomy-rss {
  margin-top: var(--spacing-md);
}

.taxonomy-rss-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.taxonomy-rss-link:hover {
  color: white;
  background-color: #ff6600;
  border-color: #ff6600;
  text-decoration: none;
}

/* Widget RSS */
.widget-rss {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.widget-rss-link {
  display: flex;
  align-items: center;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  background-color: var(--color-background-alt);
}

.widget-rss-link:hover {
  color: #ff6600;
  border-color: #ff6600;
  background-color: rgba(255, 102, 0, 0.05);
  text-decoration: none;
}

.widget-rss-section {
  margin-top: var(--spacing-md);
}

.widget-rss-subtitle {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--spacing-sm) 0;
}

.widget-rss-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.widget-rss-list li {
  margin: 0;
}

.widget-rss-link-small {
  display: flex;
  align-items: center;
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.8rem;
  padding: calc(var(--spacing-xs) / 2) var(--spacing-sm);
  border-radius: calc(var(--border-radius) / 2);
  transition: all 0.2s ease;
}

.widget-rss-link-small:hover {
  color: #ff6600;
  background-color: rgba(255, 102, 0, 0.05);
  text-decoration: none;
}

/* Responsive RSS */
@media (max-width: 768px) {
  .rss-link,
  .footer-rss-link,
  .taxonomy-rss-link {
    font-size: 0.8rem;
    padding: calc(var(--spacing-xs)) var(--spacing-sm);
  }

  .rss-icon {
    width: 14px;
    height: 14px;
  }
}

/* Koenig Editor Styles - Required for Ghost */

/* Image cards - wide and full width */
.kg-width-wide {
  position: relative;
  width: 85vw;
  min-width: 100%;
  margin: var(--spacing-xl) auto;
}

.kg-width-full {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.kg-width-full img {
  width: 100%;
}

/* Gallery card */
.kg-gallery-container {
  display: flex;
  flex-direction: column;
  margin: var(--spacing-xl) auto;
  max-width: 1200px;
}

.kg-gallery-row {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 4px;
  margin-bottom: 4px;
}

.kg-gallery-image {
  flex: 1 1 auto;
}

.kg-gallery-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Bookmark card */
.kg-bookmark-card {
  width: 100%;
  margin: var(--spacing-xl) 0;
}

.kg-bookmark-container {
  display: flex;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  color: inherit;
  transition: all 0.2s ease;
}

.kg-bookmark-container:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.kg-bookmark-content {
  flex: 1 1 auto;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.kg-bookmark-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.kg-bookmark-description {
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  max-height: 3em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.kg-bookmark-metadata {
  display: flex;
  align-items: center;
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  gap: var(--spacing-sm);
}

.kg-bookmark-icon {
  width: 20px;
  height: 20px;
  border-radius: 3px;
}

.kg-bookmark-author {
  font-weight: 500;
}

.kg-bookmark-publisher {
  font-weight: 400;
}

.kg-bookmark-publisher::before {
  content: "•";
  margin: 0 var(--spacing-xs);
}

.kg-bookmark-thumbnail {
  flex: 0 0 auto;
  width: 200px;
  height: auto;
  position: relative;
  min-height: 160px;
}

.kg-bookmark-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

@media (max-width: 768px) {
  .kg-bookmark-container {
    flex-direction: column;
  }

  .kg-bookmark-thumbnail {
    width: 100%;
    min-height: 200px;
  }

  .kg-width-wide,
  .kg-width-full {
    width: 100%;
    left: 0;
    margin-left: 0;
    margin-right: 0;
  }
}