/**
 * partials/blog.css
 *
 * The DIGIT HQ — Blog Page Styles
 * Covers: archive grid, category filter, single post layout,
 * rich content styling, author box, related posts, pagination,
 * social share buttons, search bar.
 *
 * @package    TheDigit
 * @author     Sami Ullah
 * @version    1.0.0
 */

/* =============================================================================
   BLOG ARCHIVE — SEARCH BAR
   ============================================================================= */
.blog-search {
  display: flex;
  gap: .5rem;
  max-width: 480px;
}

.blog-search__input {
  flex: 1;
  background: var(--color-carbon);
  border: 1px solid var(--color-neural);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: .625rem 1rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.blog-search__input::placeholder { color: var(--color-text-muted); }
.blog-search__input:focus { border-color: var(--color-electric); }

.blog-search__btn {
  background: var(--color-electric);
  color: var(--color-void);
  border: none;
  border-radius: var(--radius-sm);
  padding: .625rem 1.25rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .08em;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.blog-search__btn:hover { opacity: .9; }

/* =============================================================================
   BLOG ARCHIVE — CATEGORY TABS
   ============================================================================= */
.blog-cats {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: var(--space-10);
}

.blog-cat-link {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-neural);
  border-radius: var(--radius-full);
  padding: .35rem .875rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.blog-cat-link:hover,
.blog-cat-link.is-active {
  color: var(--color-void);
  background: var(--color-electric);
  border-color: var(--color-electric);
}

/* =============================================================================
   BLOG ARCHIVE — FEATURED POST (first post, larger)
   ============================================================================= */
.blog-featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background: var(--color-carbon);
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-8);
  transition: border-color var(--transition-base);
}

.blog-featured:hover { border-color: var(--color-neural-light); }

.blog-featured__image-wrap {
  overflow: hidden;
  min-height: 360px;
}

.blog-featured__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-featured:hover .blog-featured__image { transform: scale(1.03); }

.blog-featured__body {
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
}

.blog-featured__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.blog-featured__category { color: var(--color-electric); }

.blog-featured__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.25;
  transition: color var(--transition-fast);
}

.blog-featured:hover .blog-featured__title { color: var(--color-electric); }

.blog-featured__excerpt {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* =============================================================================
   BLOG ARCHIVE — PAGINATION
   ============================================================================= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  margin-top: var(--space-12);
}

.pagination__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .08em;
  color: var(--color-text-muted);
  background: var(--color-carbon);
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: .5rem .875rem;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-width: 40px;
  text-align: center;
}

.pagination__link:hover {
  color: var(--color-text-primary);
  border-color: var(--color-neural-light);
}

.pagination__link.is-active {
  color: var(--color-void);
  background: var(--color-electric);
  border-color: var(--color-electric);
}

.pagination__link.is-disabled {
  opacity: .4;
  pointer-events: none;
}

/* =============================================================================
   BLOG SINGLE — LAYOUT
   ============================================================================= */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-12);
  align-items: start;
  padding-top: var(--space-10);
}

/* =============================================================================
   BLOG SINGLE — HERO IMAGE
   ============================================================================= */
.post-hero {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  display: block;
  border-bottom: var(--border);
}

.post-hero-placeholder {
  height: 280px;
  background: linear-gradient(135deg, var(--color-carbon), var(--color-void));
  border-bottom: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* =============================================================================
   BLOG SINGLE — HEADER (title, meta, reading time)
   ============================================================================= */
.post-header {
  margin-bottom: var(--space-10);
}

.post-header__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.post-header__category {
  color: var(--color-electric);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.post-header__category:hover { opacity: .8; }
.post-header__sep { opacity: .4; }

.post-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: var(--space-6);
}

.post-header__excerpt {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  border-left: 2px solid var(--color-electric);
  padding-left: var(--space-6);
}

/* =============================================================================
   BLOG SINGLE — RICH TEXT CONTENT
   ============================================================================= */
.post-content {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-text-secondary);
}

.post-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-neural);
}

.post-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: 2rem;
  margin-bottom: .75rem;
}

.post-content h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: 1.5rem;
  margin-bottom: .5rem;
}

.post-content p { margin-bottom: 1.5rem; }

.post-content a {
  color: var(--color-electric);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: opacity var(--transition-fast);
}

.post-content a:hover { opacity: .8; }

.post-content ul,
.post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.post-content li { margin-bottom: .5rem; }
.post-content ul li::marker { color: var(--color-electric); }
.post-content ol li::marker { color: var(--color-electric); font-family: var(--font-mono); font-size: .875em; }

.post-content strong { color: var(--color-text-primary); font-weight: 600; }
.post-content em     { font-style: italic; }

.post-content blockquote {
  border-left: 2px solid var(--color-electric);
  background: var(--color-carbon);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.75rem;
  margin: 2rem 0;
  font-size: 1.0625rem;
  font-style: italic;
  color: var(--color-text-secondary);
}

.post-content blockquote cite {
  display: block;
  margin-top: .75rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--color-text-muted);
  font-style: normal;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: .875em;
  background: var(--color-carbon);
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: .15em .45em;
  color: var(--color-electric);
}

.post-content pre {
  background: var(--color-carbon);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: .875rem;
  color: var(--color-text-secondary);
}

.post-content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  border: var(--border);
  margin: 1.5rem 0;
}

.post-content figure {
  margin: 2rem 0;
}

.post-content figcaption {
  font-size: .875rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: .625rem;
  font-style: italic;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .9375rem;
  overflow-x: auto;
  display: block;
}

.post-content th {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: .75rem 1rem;
  border-bottom: 2px solid var(--color-neural);
  text-align: left;
  white-space: nowrap;
}

.post-content td {
  padding: .75rem 1rem;
  border-bottom: 1px solid rgba(34,34,34,.5);
  vertical-align: top;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--color-neural);
  margin: 2.5rem 0;
}

/* =============================================================================
   BLOG SINGLE — POST TAGS
   ============================================================================= */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: var(--border);
}

.post-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: var(--border);
  border-radius: var(--radius-full);
  padding: .3rem .75rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

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

/* =============================================================================
   BLOG SINGLE — SOCIAL SHARE
   ============================================================================= */
.post-share {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-carbon);
  border: var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.post-share__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.post-share__links {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}

.post-share__link {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-void);
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: .4rem .875rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

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

/* =============================================================================
   BLOG SINGLE — AUTHOR BOX
   ============================================================================= */
.author-box {
  margin-top: var(--space-10);
  padding: var(--space-8);
  background: var(--color-carbon);
  border: var(--border);
  border-left: 2px solid var(--color-electric);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.author-box__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--color-neural);
  object-fit: cover;
  flex-shrink: 0;
}

.author-box__avatar-fallback {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-electric-dim);
  border: 1px solid rgba(251,255,0,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-electric);
  flex-shrink: 0;
}

.author-box__mono {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-electric);
  display: block;
  margin-bottom: .375rem;
}

.author-box__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: .375rem;
}

.author-box__role {
  font-size: .875rem;
  color: var(--color-text-muted);
  margin-bottom: .75rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
}

.author-box__bio {
  font-size: .9375rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* =============================================================================
   BLOG SINGLE — SIDEBAR
   ============================================================================= */
.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: sticky;
  top: 100px;
}

.post-sidebar__widget {
  background: var(--color-carbon);
  border: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.post-sidebar__widget-title {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-electric);
  padding: .75rem 1rem;
  border-bottom: var(--border);
  display: block;
}

/* Recent posts in sidebar */
.sidebar-post {
  display: flex;
  gap: var(--space-3);
  padding: .875rem 1rem;
  border-bottom: var(--border);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.sidebar-post:last-child { border-bottom: none; }
.sidebar-post:hover { background: rgba(255,255,255,.02); }

.sidebar-post__image {
  width: 52px;
  height: 36px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: var(--border);
  flex-shrink: 0;
}

.sidebar-post__title {
  font-size: .8125rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.sidebar-post:hover .sidebar-post__title { color: var(--color-electric); }

.sidebar-post__date {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--color-text-muted);
  margin-top: .25rem;
}

/* Category list in sidebar */
.sidebar-cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .625rem 1rem;
  border-bottom: var(--border);
  text-decoration: none;
  font-size: .875rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

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

.sidebar-cat:hover {
  background: rgba(255,255,255,.02);
  color: var(--color-electric);
  padding-left: 1.25rem;
}

/* =============================================================================
   BLOG SINGLE — RELATED POSTS
   ============================================================================= */
.related-posts {
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: var(--border);
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */
@media (max-width: 1024px) {
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { position: static; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured__image-wrap { min-height: 220px; }
}

@media (max-width: 640px) {
  .author-box { flex-direction: column; }
  .post-share { flex-direction: column; align-items: flex-start; }
}