/* ===== BLOG LISTING ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.blog-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.blog-card:hover {
  box-shadow: var(--shadow-float);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.blog-card-link {
  display: block;
  color: inherit;
}

.blog-card-img {
  height: 180px;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  position: relative;
}
.blog-card-cat {
  background: rgba(0,0,0,0.5);
  color: #fff;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

.blog-card-body {
  padding: 1.25rem;
}
.blog-card-body time {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.blog-card-body h2 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}
.blog-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.2s;
}
.blog-card:hover .blog-read-more {
  color: var(--primary-dark);
}

/* ===== BLOG POST ===== */
.blog-hero {
  background: var(--text-main);
  background-image: radial-gradient(circle at top right, #1e293b 0%, #0f172a 100%);
  color: #fff;
  padding: 3rem 1rem 3.5rem;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.blog-back {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.blog-back:hover { color: #fff; }

.blog-cat-tag {
  background: var(--primary);
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.blog-hero h1 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  max-width: 800px;
  color: #fff;
}

.blog-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-weight: 500;
  flex-wrap: wrap;
}
.blog-divider { opacity: 0.4; }

/* Blog content layout */
.blog-content { padding: 3rem 1rem 4rem; }

.blog-container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: start;
}

.blog-body {
  max-width: 100%;
  overflow-wrap: break-word;
}

.blog-intro {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-main);
  font-weight: 500;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--bg-subtle);
}

/* Table of Contents */
.blog-toc {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.blog-toc h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}
.blog-toc ol {
  list-style: decimal;
  padding-left: 1.25rem;
  margin: 0;
}
.blog-toc li {
  margin-bottom: 0.4rem;
}
.blog-toc a {
  color: var(--primary);
  font-weight: 500;
  font-size: 0.9rem;
}
.blog-toc a:hover { color: var(--primary-dark); text-decoration: underline; }

/* Blog body typography */
.blog-body h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 2.5rem 0 1rem;
  color: var(--text-main);
  padding-top: 0.5rem;
}
.blog-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 1.75rem 0 0.75rem;
  color: var(--text-main);
}
.blog-body p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 1rem;
}
.blog-body ul, .blog-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.blog-body li {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0.4rem;
}
.blog-body a {
  color: var(--primary);
  font-weight: 500;
}
.blog-body a:hover { color: var(--primary-dark); text-decoration: underline; }

/* Callout boxes */
.blog-callout {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.7;
}
.blog-callout a { color: var(--primary-dark); font-weight: 600; }
.blog-callout-warning {
  background: #fef3c7;
  border-left-color: #f59e0b;
}
.blog-callout-warning strong { color: #92400e; }

/* Blog table */
.blog-table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.blog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.blog-table th {
  background: var(--bg-subtle);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 2px solid var(--border-color);
}
.blog-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}
.blog-table tr:last-child td { border-bottom: none; }
.blog-table tr:hover td { background: var(--bg-subtle); }

/* Blog tools grid */
.blog-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.blog-tool-card {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.blog-tool-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--primary-dark);
}
.blog-tool-icon { font-size: 1.3rem; }

/* Share buttons */
.blog-share {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--bg-subtle);
}
.blog-share h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}
.blog-share-btns {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  transition: filter 0.2s;
}
.share-btn:hover { filter: brightness(1.15); color: #fff; }
.share-twitter { background: #1da1f2; }
.share-facebook { background: #1877f2; }
.share-linkedin { background: #0a66c2; }

/* Sidebar */
.blog-sidebar {
  position: sticky;
  top: 5rem;
}
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.sidebar-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--bg-subtle);
}
.sidebar-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-card li { margin-bottom: 0.4rem; }
.sidebar-card a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  display: block;
  padding: 0.3rem 0;
}
.sidebar-card a:hover { color: var(--primary); }
.sidebar-note {
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: italic;
}

/* ===== RESPONSIVE BLOG ===== */
@media (max-width: 899px) {
  .blog-container {
    grid-template-columns: 1fr;
  }
  .blog-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

@media (max-width: 767px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-hero h1 { font-size: 1.75rem; }
  .blog-hero { padding: 2rem 1rem 2.5rem; }
  .blog-body h2 { font-size: 1.3rem; }
  .blog-tools-grid { grid-template-columns: 1fr 1fr; }
  .blog-sidebar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 479px) {
  .blog-card-img { height: 140px; }
  .blog-tools-grid { grid-template-columns: 1fr; }
  .blog-info { font-size: 0.8rem; }
  .blog-meta { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}