/* ============================================================
   POST.CSS - Article/Post Page Specific Styles
   Focuses on post-specific layouts and components
   All shared styles (widgets, buttons, etc.) are in main.css
   ============================================================ */

/* ============================================================
   POST PAGE LAYOUT
   ============================================================ */
.post-page {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
}

/* DEFAULT: Sidebar-right layout (sidebar alongside content) */
@media (min-width: 1024px) {
  .post-page {
    grid-template-columns: 1fr var(--sidebar-width);
  }

  .post-page[data-layout="sidebar-right"] {
    grid-template-columns: 1fr var(--sidebar-width);
  }

  .post-page[data-layout="sidebar-right"] .post-header {
    grid-column: 1;
    margin: 0 0 var(--spacing-lg) 0;
    max-width: none;
  }

  .post-page[data-layout="sidebar-right"] .post-featured-image {
    grid-column: 1;
  }

  .post-page[data-layout="sidebar-right"] .post-content {
    grid-column: 1;
    margin: 0;
    max-width: none;
  }

  .post-page[data-layout="sidebar-right"] .post-sidebar {
    grid-column: 2;
    grid-row: 1 / span 10;
    top: var(--spacing-md);
  }

  /* SIDEBAR LEFT: Sidebar on the left, content on the right */
  .post-page[data-layout="sidebar-left"] {
    grid-template-columns: var(--sidebar-width) 1fr;
  }

  .post-page[data-layout="sidebar-left"] .post-header {
    grid-column: 2;
    margin: 0 0 var(--spacing-lg) 0;
    max-width: none;
  }

  .post-page[data-layout="sidebar-left"] .post-featured-image {
    grid-column: 2;
  }

  .post-page[data-layout="sidebar-left"] .post-content {
    grid-column: 2;
    margin: 0;
    max-width: none;
  }

  .post-page[data-layout="sidebar-left"] .post-sidebar {
    grid-column: 1;
    grid-row: 1 / span 10;
    top: var(--spacing-md);
  }

  /* SIDEBAR FULL LEFT: Header and featured image span full width, sidebar on left below */
  .post-page[data-layout="sidebar-full-left"] {
    grid-template-columns: var(--sidebar-width) 1fr;
  }

  .post-page[data-layout="sidebar-full-left"] .post-header,
  .post-page[data-layout="sidebar-full-right"] .post-header {
    grid-column: 1 / -1;
    margin: 0 auto var(--spacing-lg) auto;
  }

  .post-page[data-layout="sidebar-full-left"] .post-featured-image,
  .post-page[data-layout="sidebar-full-right"] .post-featured-image {
    grid-column: 1 / -1;
  }

  .post-page[data-layout="sidebar-full-left"] .post-content {
    grid-column: 2;
    margin: 0;
    max-width: none;
  }

  .post-page[data-layout="sidebar-full-left"] .post-sidebar {
    grid-column: 1;
    grid-row: 3;
    top: var(--spacing-md);
  }

  /* FULL WIDTH: Header and featured image span full width, sidebar starts with content */
  .post-page[data-layout="sidebar-full"] {
    grid-template-columns: 1fr var(--sidebar-width);
  }

  .post-page[data-layout="sidebar-full"] .post-header {
    grid-column: 1 / -1;
  }

  .post-page[data-layout="sidebar-full"] .post-featured-image {
    grid-column: 1 / -1;
  }

  .post-page[data-layout="sidebar-full"] .post-content {
    grid-column: 1;
  }

  .post-page[data-layout="sidebar-full"] .post-sidebar {
    grid-column: 2;
    grid-row: 3;
    top: var(--spacing-md);
  }

  /* NO SIDEBAR: Centered content layout, sidebar hidden */
  .post-page[data-layout="no-sidebar"] {
    grid-template-columns: 1fr;
    max-width: 800px;
  }

  .post-page[data-layout="no-sidebar"] .post-header {
    grid-column: 1;
  }

  .post-page[data-layout="no-sidebar"] .post-featured-image {
    grid-column: 1;
  }

  .post-page[data-layout="no-sidebar"] .post-content {
    grid-column: 1;
  }

  .post-page[data-layout="no-sidebar"] .post-sidebar {
    display: none;
  }

  /* NO SIDEBAR FULL: Full-width header and featured image, centered content below */
  .post-page[data-layout="no-sidebar-full"] {
    grid-template-columns: 1fr;
  }

  .post-page[data-layout="no-sidebar-full"] .post-header {
    grid-column: 1 / -1;
    margin: 0 auto var(--spacing-lg) auto;
    max-width: 100%;
  }

  .post-page[data-layout="no-sidebar-full"] .post-featured-image {
    grid-column: 1 / -1;
  }

  .post-page[data-layout="no-sidebar-full"] .post-content {
    grid-column: 1;
    /* max-width: var(--max-read-width); */
    margin: 0 auto;
  }

  .post-page[data-layout="no-sidebar-full"] .post-sidebar {
    display: none;
  }
}

.post-header,
.post-featured-image,
.post-content {
  grid-column: 1;
}

/* ============================================================
   POST HEADER
   ============================================================ */
.post-header {
  /* max-width: var(--max-read-width); */
  margin: 0 auto var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--border-color);
}

.post-header-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

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

.post-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--text-primary);
  text-wrap: balance;
}

.post-teaser {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  text-wrap: pretty;
}

/* ============================================================
   POST FEATURED IMAGE
   ============================================================ */
.post-featured-image {
  width: 100%;
  margin-bottom: var(--spacing-lg);
}

.post-featured-image img {
  width: 100%;
  /* height: 500px; */
  object-fit: cover;
  border-radius: var(--radius-base);
  margin-bottom: var(--spacing-sm);
}

.post-featured-image figcaption {
  /* max-width: var(--max-read-width); */
  /* margin: 0 auto; */
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-wrap: pretty;
  font-style: italic;
}

/* ============================================================
   POST CONTENT SECTIONS
   ============================================================ */
.post-content {
  /* max-width: var(--max-read-width); */
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.content-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.content-section h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  text-wrap: balance;
  scroll-margin-top: 100px;
}

.content-section p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.8;
  text-wrap: pretty;
}

.content-section ul {
  list-style: disc;
  padding-left: var(--spacing-lg);
  color: var(--text-secondary);
}

.content-section li {
  margin-bottom: var(--spacing-sm);
}

/* ============================================================
   POST QUOTE
   ============================================================ */
.post-quote {
  position: relative;
  padding: var(--spacing-lg);
  padding-left: var(--spacing-xl);
  background: transparent;
  border: none;
  border-left: 4px solid var(--accent-color);
  font-size: var(--font-size-lg);
  color: var(--accent-color);
  font-weight: var(--font-weight-bold);
  font-style: italic;
  text-wrap: pretty;
}

.post-quote p {
  color: var(--accent-color);
  margin: 0;
}

.post-quote footer {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-style: normal;
  font-weight: var(--font-weight-bold);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-base);
  text-align: center;
}

.cta-section h3 {
  font-size: var(--font-size-lg);
  text-wrap: balance;
}

/* ============================================================
   TABLE OF CONTENTS WIDGET
   ============================================================ */
.toc-widget {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-base);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-xs);
}

.toc-widget h3 {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.toc-list a {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-left: 3px solid var(--border-color);
  transition: var(--transition-fast);
  display: block;
  position: relative;
  background: transparent;
}

.toc-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-color);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--duration-base) var(--easing-ease);
}

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

.toc-list a:hover::before {
  transform: scaleY(1);
}

.toc-list a.active {
  color: var(--accent-color);
  font-weight: var(--font-weight-bold);
  background: var(--accent-light);
  border-left-color: var(--accent-color);
}

.toc-list a.active::before {
  transform: scaleY(1);
}

/* ============================================================
   SOCIAL SHARE
   ============================================================ */
.social-share {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-base);
  padding: var(--spacing-md);
  background: var(--bg-primary);
  box-shadow: var(--shadow-xs);
}

.social-share h3 {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.share-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xs);
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  border-radius: var(--radius-base);
  cursor: pointer;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.share-btn:hover {
  background: var(--accent-color);
  color: var(--text-inverse);
  border-color: var(--accent-color);
}

.share-btn svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   POST NAVIGATION
   ============================================================ */
.post-navigation {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--border-color);
  /* max-width: var(--max-read-width); */
  margin-left: auto;
  margin-right: auto;
}

.nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.nav-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-base);
  transition: var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.nav-item:hover {
  border-color: var(--accent-color);
  box-shadow: 0 4px 12px var(--accent-light);
}

.nav-item.next {
  text-align: right;
  grid-template-columns: 1fr 100px;
}

.nav-thumbnail {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-base);
  background: var(--bg-secondary);
  overflow: hidden;
}

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

.nav-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.nav-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-bold);
}

.nav-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1.3;
}

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

/* ============================================================
   VIDEO EMBED
   ============================================================ */
.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-base);
  margin-block-end: var(--spacing-md);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .post-page {
    padding: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .post-title {
    font-size: 1.75rem;
  }

  .post-featured-image img {
    height: 300px;
  }

  .nav-grid {
    grid-template-columns: 1fr;
  }

  .nav-item.next {
    text-align: left;
    grid-template-columns: 100px 1fr;
  }
}