/* ============================================================
   PokiPaw Blog Styles
   Uses shared CSS variables from styles.css
   ============================================================ */

/* ── Blog Hero ── */
.blog-hero {
  padding: 140px 0 60px;
  text-align: center;
  background: var(--bg);
}

.blog-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.blog-hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Category Filter Chips ── */
.blog-categories {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0 24px;
  margin-bottom: 48px;
}

.category-chip {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--card-bg);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-block;
}

.category-chip:hover,
.category-chip.active {
  background: var(--green-light);
  border-color: var(--green);
  color: var(--green-dark);
}

/* ── Blog Grid ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 100px;
}

/* ── Blog Card ── */
.blog-card {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-color: transparent;
}

.blog-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--bg-alt);
}

.blog-card-image-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--green-light), var(--purple-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-card-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--green-dark);
  background: var(--green-light);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.blog-card-date {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.blog-card-body h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-card-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.blog-card-read {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--green);
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.blog-card-read::after {
  content: '\2192';
  transition: transform var(--transition);
}

.blog-card:hover .blog-card-read::after {
  transform: translateX(4px);
}

/* ── Blog Post Article ── */
.blog-article {
  padding: 140px 0 80px;
}

.blog-article-inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Breadcrumbs ── */
.blog-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.blog-breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.blog-breadcrumbs a:hover {
  color: var(--green);
}

.blog-breadcrumbs span {
  color: var(--text-tertiary);
}

/* ── Post Header ── */
.blog-post-header {
  margin-bottom: 36px;
}

.blog-post-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--green-dark);
  background: var(--green-light);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.blog-post-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

.blog-post-author {
  font-weight: 600;
  color: var(--text-secondary);
}

.blog-post-featured-image {
  width: 100%;
  border-radius: var(--radius-xl);
  margin-bottom: 36px;
}

/* ── Prose (markdown content) ── */
.blog-prose h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.blog-prose h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.blog-prose h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 28px;
  margin-bottom: 12px;
}

.blog-prose p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.blog-prose a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.blog-prose a:hover {
  color: var(--green-dark);
}

.blog-prose ul,
.blog-prose ol {
  margin-bottom: 18px;
  padding-left: 24px;
}

.blog-prose li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.blog-prose strong {
  color: var(--text-primary);
  font-weight: 600;
}

.blog-prose blockquote {
  border-left: 3px solid var(--green);
  margin: 24px 0;
  padding: 16px 24px;
  background: var(--bg-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.blog-prose blockquote p {
  margin-bottom: 0;
  font-style: italic;
}

.blog-prose img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  margin: 24px 0;
}

.blog-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}

.blog-prose th {
  background: var(--bg-alt);
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border);
}

.blog-prose td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.blog-prose code {
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ── Sidebar ── */
.blog-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 24px;
}

.sidebar-card h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

/* Table of contents */
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li {
  margin-bottom: 8px;
}

.toc-list a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.5;
  transition: color var(--transition);
  display: block;
}

.toc-list a:hover {
  color: var(--green);
}

/* CTA card */
.sidebar-cta {
  background: linear-gradient(135deg, var(--green-light), var(--purple-light));
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  text-align: center;
  border: none;
}

.sidebar-cta h4 {
  color: var(--text-primary);
  text-transform: none;
  letter-spacing: 0;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.sidebar-cta p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.sidebar-cta .btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--green);
  color: #fff;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.sidebar-cta .btn:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Related posts */
.sidebar-related a {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  transition: color var(--transition);
}

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

.sidebar-related a:hover {
  color: var(--green);
}

/* ── Post Bottom CTA ── */
.blog-bottom-cta {
  margin-top: 48px;
  padding: 40px;
  background: linear-gradient(135deg, var(--green-light), var(--purple-light));
  border-radius: var(--radius-xl);
  text-align: center;
}

.blog-bottom-cta h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-bottom-cta p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.blog-bottom-cta .btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--green);
  color: #fff;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
}

.blog-bottom-cta .btn:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ── Post Navigation (Prev/Next) ── */
.blog-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.blog-post-nav a {
  padding: 20px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all var(--transition);
}

.blog-post-nav a:hover {
  border-color: var(--green);
  background: var(--green-light);
}

.blog-post-nav-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 6px;
  display: block;
}

.blog-post-nav-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.blog-post-nav-next {
  text-align: right;
}

/* ── No Results ── */
.blog-empty {
  text-align: center;
  padding: 80px 24px;
  grid-column: 1 / -1;
}

.blog-empty p {
  font-size: 1.1rem;
  color: var(--text-tertiary);
}

/* ── Responsive ── */
@media (max-width: 992px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-article-inner {
    grid-template-columns: 1fr;
  }

  .blog-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .blog-sidebar > * {
    flex: 1;
    min-width: 250px;
  }
}

@media (max-width: 768px) {
  .blog-hero {
    padding: 120px 0 40px;
  }

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

  .blog-article {
    padding: 120px 0 60px;
  }

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

  .blog-bottom-cta {
    padding: 28px 20px;
  }

  .blog-sidebar {
    flex-direction: column;
  }

  .blog-sidebar > * {
    min-width: 0;
  }
}