/* ===========================
   Post Grid & Archive Layout
   =========================== */
.posts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

@media (min-width: 768px) {
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .posts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===========================
   Post Card
   =========================== */
.post-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.post-thumbnail {
  position: relative;
  width: 100%;
  padding-bottom: 66.67%; /* 3:2 aspect ratio */
  overflow: hidden;
  background-color: var(--color-light-gray);
}

.post-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform var(--transition-slow);
}

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

/* Lazy Loading Placeholder */
.post-thumbnail img[loading="lazy"] {
  background: linear-gradient(
    90deg,
    var(--color-light-gray) 0%,
    var(--color-accent-cream) 50%,
    var(--color-light-gray) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Post Category Badge */
.post-category {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  z-index: 1;
}

.post-category a {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary-green);
  color: var(--color-white);
  font-size: var(--font-size-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.post-category a:hover {
  background-color: var(--color-primary-green-dark);
  text-decoration: none;
}

/* Post Content */
.post-content-wrapper {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.post-meta a {
  color: var(--color-text-light);
  text-decoration: none;
}

.post-meta a:hover {
  color: var(--color-primary-green);
}

.post-title {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.post-title a {
  color: var(--color-primary-brown-dark);
  text-decoration: none;
  transition: color var(--transition-base);
}

.post-title a:hover {
  color: var(--color-primary-green-dark);
}

.post-excerpt {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary-green-dark);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
}

.read-more:hover {
  color: var(--color-primary-brown);
  gap: var(--spacing-sm);
  text-decoration: none;
}

/* ===========================
   Single Post
   =========================== */
.single-post-header {
  max-width: 900px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
}

.single-post-title {
  font-size: var(--font-size-h1);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-brown-dark);
}

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

.single-post-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.single-post-featured-image {
  max-width: 1200px;
  margin: 0 auto var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.single-post-featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

.entry-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: var(--font-size-large);
  line-height: 1.8;
}

.entry-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.entry-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.entry-content img {
  margin: var(--spacing-lg) 0;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
}

.entry-content blockquote {
  border-left: 4px solid var(--color-primary-green);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.entry-content code {
  background-color: var(--color-accent-cream);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

.entry-content pre {
  background-color: var(--color-primary-brown-dark);
  color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

.entry-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ===========================
   Post Tags & Categories
   =========================== */
.entry-footer {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.entry-taxonomies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

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

.taxonomy-label {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
}

.taxonomy-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.taxonomy-links a {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-accent-cream);
  color: var(--color-text-primary);
  font-size: var(--font-size-small);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.taxonomy-links a:hover {
  background-color: var(--color-primary-green);
  color: var(--color-white);
}

/* ===========================
   Author Bio
   =========================== */
.author-bio {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-lg);
  background-color: var(--color-accent-cream);
  border-radius: var(--border-radius-md);
  display: flex;
  gap: var(--spacing-md);
}

@media (max-width: 767px) {
  .author-bio {
    flex-direction: column;
    text-align: center;
  }
}

.author-avatar {
  flex-shrink: 0;
}

.author-avatar img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--color-white);
}

@media (max-width: 767px) {
  .author-avatar img {
    margin: 0 auto;
  }
}

.author-info h3 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-h5);
}

.author-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.author-links a {
  display: inline-block;
  margin-right: var(--spacing-sm);
  color: var(--color-primary-green-dark);
  font-weight: 600;
}

/* ===========================
   Post Navigation
   =========================== */
.post-navigation {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

@media (max-width: 767px) {
  .post-navigation {
    grid-template-columns: 1fr;
  }
}

.nav-previous,
.nav-next {
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.nav-previous:hover,
.nav-next:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-green);
}

.nav-previous a,
.nav-next a {
  color: var(--color-text-primary);
  text-decoration: none;
}

.nav-label {
  display: block;
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.nav-title {
  display: block;
  color: var(--color-primary-brown-dark);
  font-weight: 600;
  transition: color var(--transition-base);
}

.nav-previous:hover .nav-title,
.nav-next:hover .nav-title {
  color: var(--color-primary-green-dark);
}

/* ===========================
   Related Posts
   =========================== */
.related-posts {
  max-width: 1200px;
  margin: var(--spacing-xxl) auto;
  padding: var(--spacing-xl) var(--container-padding);
  background-color: var(--color-bg-accent);
  border-radius: var(--border-radius-lg);
}

.related-posts h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.related-posts .posts-grid {
  margin-bottom: 0;
}

/* ===========================
   Table of Contents
   =========================== */
.table-of-contents {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  border-radius: var(--border-radius-lg);
  position: relative;
  max-width: 100%;
  box-shadow: var(--shadow-sm);
}

.toc-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
  font-weight: 700;
  font-family: var(--font-accent);
  text-transform: capitalize;
  padding-right: 60px;
}

.toc-title::before {
  content: '📑';
  font-size: 1.5rem;
  margin-right: 4px;
}

.toc-title svg {
  display: none;
}

.toc-toggle {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  transition: all var(--transition-fast);
  border-radius: 50%;
}

.toc-toggle:hover {
  background-color: var(--color-light-gray);
}

.toc-toggle .toc-toggle-text {
  display: none;
}

.toc-toggle svg {
  transition: transform var(--transition-base);
  width: 20px;
  height: 20px;
}

.toc-toggle[aria-expanded="false"] svg {
  transform: rotate(180deg);
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  transition: all var(--transition-base);
  counter-reset: toc-counter;
}

.toc-toggle[aria-expanded="false"] + .toc-list {
  display: none;
}

.toc-item {
  margin-bottom: var(--spacing-sm);
  position: relative;
  counter-increment: toc-counter;
}

.toc-item:last-child {
  margin-bottom: 0;
}

.toc-h2 {
  font-weight: 600;
  font-size: 15px;
}

.toc-h2 a {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.toc-h2 a::before {
  content: counter(toc-counter);
  background-color: var(--color-text-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 13px;
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-accent);
  margin-top: -2px;
}

.toc-h2 a:hover {
  background-color: var(--color-accent-cream);
  padding-left: var(--spacing-md);
}

.toc-h2 a.active {
  background-color: var(--color-accent-sage);
  color: var(--color-white);
}

.toc-h2 a.active::before {
  background-color: var(--color-white);
  color: var(--color-primary-green-dark);
}

.toc-h3 {
  margin-left: 52px;
  font-size: 13px;
  counter-increment: none;
  font-weight: 400;
}

.toc-h3::before {
  display: none;
}

.toc-h3 a {
  padding: 4px var(--spacing-sm);
  display: block;
  position: relative;
  padding-left: var(--spacing-md);
}

.toc-h3 a::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-text-light);
  font-weight: 400;
}

.toc-item a {
  color: var(--color-text-primary);
  text-decoration: none;
  line-height: 1.5;
}

.toc-item a:hover {
  color: var(--color-primary-green-dark);
  text-decoration: none;
}

/* Compact on mobile */
@media (max-width: 768px) {
  .table-of-contents {
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
  }
  
  .toc-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .toc-h2 {
    font-size: 14px;
  }
  
  .toc-h2 a::before {
    min-width: 24px;
    height: 24px;
    font-size: 12px;
  }
  
  .toc-h3 {
    font-size: 12px;
    margin-left: 40px;
  }
  
  .toc-toggle {
    top: var(--spacing-md);
    right: var(--spacing-md);
  }
}

/* Desktop sizing */
@media (min-width: 1200px) {
  .table-of-contents {
    max-width: 450px;
  }
}

/* ===========================
   Amazon Shop Buttons on Images
   =========================== */
.post-image-wrapper {
  position: relative;
  margin: var(--spacing-lg) 0;
  display: block;
  width: 100%;
  border-radius: var(--border-radius-md);
}

.post-image-wrapper img {
  width: 100%;
  display: block;
  margin-bottom: 0;
  border-radius: var(--border-radius-md);
}

.amazon-shop-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: #FF9900;
  color: #232F3E;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 12px rgba(255, 153, 0, 0.4);
  transition: all 0.3s ease;
  margin-top: 12px;
  width: 100%;
  text-align: center;
  cursor: pointer;
  position: relative;
  z-index: 100;
  border: none;
}

.amazon-shop-button:hover {
  background: #FFB84D;
  color: #000000;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(255, 153, 0, 0.6);
  transform: translateY(-2px);
}

.amazon-shop-button:active {
  transform: translateY(0);
}

.amazon-shop-button svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  stroke-width: 2.5;
}

.amazon-shop-button span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 250px;
}

/* Mobile: Always visible below image, full width */
@media (max-width: 768px) {
  .post-image-wrapper {
    display: block;
  }
  
  .amazon-shop-button {
    position: relative;
    width: 100%;
    font-size: 13px;
    padding: 12px 16px;
    margin-top: 10px;
    display: flex;
  }
  
  .amazon-shop-button span {
    max-width: calc(100vw - 120px);
  }
}

/* Desktop: Show below image, centered */
@media (min-width: 769px) {
  .amazon-shop-button {
    position: relative;
    width: auto;
    max-width: 90%;
    margin: 12px auto 0;
    display: inline-flex;
  }
  
  .post-image-wrapper {
    text-align: center;
  }
}

/* Scroll progress indicator for TOC */
.entry-content h2,
.entry-content h3 {
  scroll-margin-top: 100px;
}

/* Active TOC link highlight */
.toc-item a.active {
  color: var(--color-primary-green-dark);
  font-weight: 600;
  background-color: rgba(90, 122, 74, 0.1);
  padding-left: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}