/* ==========================================================================
   Stacksite Ghost Theme - Main Stylesheet
   Dark theme with yellow/gold accents matching stacksite.io
   ========================================================================== */

/* CSS Variables
   ========================================================================== */
:root {
  /* Colors */
  --color-bg: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-tertiary: #1a1a1a;
  --color-bg-card: #141414;
  --color-accent: #E5B83D;
  --color-accent-hover: #d4a82f;
  --color-text: #ffffff;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #6b6b6b;
  --color-border: #2a2a2a;
  --color-border-light: #333333;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;

  /* Spacing */
  --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;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 720px;
  --header-height: 80px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);

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

/* Reset & Base
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
}

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

ul, ol {
  list-style: none;
}

/* Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

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

/* Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1;
}

/* Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-accent);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  transition: opacity var(--transition-base);
}

.site-logo:hover {
  opacity: 0.8;
}

.site-logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

.site-logo img {
  height: 32px;
  width: auto;
}

/* Navigation
   ========================================================================== */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.nav-link.active {
  color: var(--color-accent);
}

/* Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.btn-secondary:hover {
  border-color: var(--color-text);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-bg-tertiary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
  }

  .nav-link {
    font-size: 1.25rem;
    padding: var(--space-md) 0;
    width: 100%;
    text-align: center;
  }
}

/* Hero Section (for home page)
   ========================================================================== */
.hero {
  padding: var(--space-4xl) 0;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.hero-title {
  margin-bottom: var(--space-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Blog Index
   ========================================================================== */
.blog-header {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.blog-title {
  margin-bottom: var(--space-md);
}

.blog-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Post Feed
   ========================================================================== */
.post-feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-2xl) 0 var(--space-4xl);
}

@media (max-width: 768px) {
  .post-feed {
    grid-template-columns: 1fr;
  }
}

/* Post Card
   ========================================================================== */
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

.post-card-image-link {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

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

.post-card-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-lg);
}

.post-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.post-card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
}

.post-card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.post-card-title a {
  transition: color var(--transition-fast);
}

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

.post-card-excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

.post-card-author-image {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.post-card-author-name {
  color: var(--color-text-secondary);
}

/* Featured Post
   ========================================================================== */
.post-card.featured {
  grid-column: 1 / -1;
}

@media (min-width: 769px) {
  .post-card.featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .post-card.featured .post-card-image-link {
    aspect-ratio: auto;
    min-height: 400px;
  }

  .post-card.featured .post-card-content {
    padding: var(--space-2xl);
    justify-content: center;
  }

  .post-card.featured .post-card-title {
    font-size: 1.75rem;
  }
}

/* Single Post
   ========================================================================== */
.post-template .site-main,
.page-template .site-main {
  padding: var(--space-3xl) 0 var(--space-4xl);
}

.post-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding-top: var(--space-2xl);
}

.post-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.post-title {
  margin-bottom: var(--space-lg);
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.post-meta-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.post-meta-author-image {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.post-feature-image {
  max-width: 1000px;
  margin: 0 auto var(--space-2xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.post-feature-image img {
  width: 100%;
  height: auto;
}

/* Post Content
   ========================================================================== */
.post-content {
  margin-bottom: var(--space-2xl);
}

.post-content > * {
  margin-bottom: var(--space-lg);
}

.post-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.post-content h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.post-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

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

.post-content ul {
  list-style: disc;
}

.post-content ol {
  list-style: decimal;
}

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

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

.post-content pre {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-tertiary);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
}

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

.post-content img {
  border-radius: var(--radius-md);
}

.post-content figure {
  margin: var(--space-xl) 0;
}

.post-content figcaption {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

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

.post-content th {
  background: var(--color-bg-tertiary);
  font-weight: 600;
}

/* Ghost Cards & Embeds
   ========================================================================== */
.kg-card {
  margin: var(--space-xl) 0;
}

.kg-width-wide {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.kg-width-full {
  max-width: none;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.kg-image-card img,
.kg-gallery-image img {
  border-radius: var(--radius-md);
}

.kg-width-full img {
  border-radius: 0;
}

.kg-gallery-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.kg-gallery-row {
  display: flex;
  gap: var(--space-md);
}

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

.kg-bookmark-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.kg-bookmark-container {
  display: flex;
  text-decoration: none;
  color: inherit;
}

.kg-bookmark-content {
  flex: 1;
  padding: var(--space-lg);
}

.kg-bookmark-title {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.kg-bookmark-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kg-bookmark-metadata {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.kg-bookmark-icon {
  width: 16px;
  height: 16px;
}

.kg-bookmark-thumbnail {
  width: 200px;
  flex-shrink: 0;
}

.kg-bookmark-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 600px) {
  .kg-bookmark-container {
    flex-direction: column-reverse;
  }

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

.kg-callout-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
}

.kg-callout-emoji {
  font-size: 1.25rem;
}

.kg-toggle-card {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
}

.kg-toggle-heading {
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.kg-toggle-content {
  padding: 0 var(--space-lg) var(--space-lg);
}

/* Author Section
   ========================================================================== */
.post-author {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  max-width: var(--container-narrow);
  margin: var(--space-3xl) auto 0;
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.post-author-image {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.post-author-content {
  flex: 1;
}

.post-author-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.post-author-bio {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

/* Related Posts
   ========================================================================== */
.related-posts {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-secondary);
  margin-top: var(--space-3xl);
}

.related-posts-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

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

/* Author Page
   ========================================================================== */
.author-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.author-image {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-bottom: var(--space-lg);
  border: 3px solid var(--color-accent);
}

.author-name {
  margin-bottom: var(--space-md);
}

.author-bio {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
}

.author-meta {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.author-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.author-social a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

/* Tag Page
   ========================================================================== */
.tag-header {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.tag-name {
  margin-bottom: var(--space-md);
}

.tag-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.tag-count {
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

/* Pagination
   ========================================================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-2xl) 0;
}

.pagination-location {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Footer
   ========================================================================== */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
}

.footer-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-nav a {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-2xl);
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

/* Error Pages
   ========================================================================== */
.error-template .site-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}

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

.error-code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: 1.5rem;
  margin-bottom: var(--space-xl);
  color: var(--color-text-secondary);
}

/* Subscribe Form
   ========================================================================== */
.subscribe-form {
  display: flex;
  gap: var(--space-md);
  max-width: 500px;
  margin: 0 auto;
}

.subscribe-input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  font-size: 0.9375rem;
}

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

.subscribe-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

@media (max-width: 500px) {
  .subscribe-form {
    flex-direction: column;
  }
}

/* CTA Section
   ========================================================================== */
.cta-section {
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  margin: var(--space-3xl) 0;
}

.cta-title {
  margin-bottom: var(--space-md);
}

.cta-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Utility Classes
   ========================================================================== */
.text-center {
  text-align: center;
}

.text-accent {
  color: var(--color-accent);
}

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

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

/* Loading Spinner
   ========================================================================== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Scrollbar
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Selection
   ========================================================================== */
::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

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

/* Typography Variants
   ========================================================================== */
.has-serif-font {
  --font-body: var(--font-serif);
}

.has-serif-font body,
.has-serif-font .post-content,
.has-serif-font .post-card-excerpt,
.has-serif-font .hero-description,
.has-serif-font .blog-description,
.has-serif-font .cta-description {
  font-family: var(--font-serif);
}

.has-serif-font h1,
.has-serif-font h2,
.has-serif-font h3,
.has-serif-font h4,
.has-serif-font h5,
.has-serif-font h6,
.has-serif-font .post-title,
.has-serif-font .post-card-title {
  font-family: var(--font-serif);
}

/* Post Feed List Layout
   ========================================================================== */
.post-feed-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.post-feed-list .post-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-lg);
}

.post-feed-list .post-card.featured {
  grid-column: 1;
}

.post-feed-list .post-card-image-link {
  aspect-ratio: 16 / 10;
}

.post-feed-list .post-card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-md) 0;
}

.post-feed-list .post-card-title {
  font-size: 1.5rem;
}

.post-feed-list .post-card-excerpt {
  -webkit-line-clamp: 2;
}

@media (max-width: 768px) {
  .post-feed-list .post-card {
    grid-template-columns: 1fr;
  }

  .post-feed-list .post-card-image-link {
    aspect-ratio: 16 / 9;
  }

  .post-feed-list .post-card-content {
    padding: var(--space-md);
  }
}

/* Print Styles
   ========================================================================== */
@media print {
  .site-header,
  .site-footer,
  .related-posts,
  .post-author,
  .post-comments {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .post-content a {
    color: inherit;
    text-decoration: underline;
  }
}