/* Blog CSS — Portfolio Blog Frontend */
/* Matches site palette: #0d0d0d bg, glassmorphism, Arial */

/* ===== Base ===== */
.blog-page {
  min-height: 100vh;
  background: #0d0d0d;
  color: #fff;
  font-family: Arial, sans-serif;
  padding-top: 60px;
}

/* ===== Blog Header ===== */
.blog-header {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.blog-header h1 {
  font-size: 2.5rem;
  background: linear-gradient(to right, #fff, #ccc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 0.5rem;
}

.blog-header p {
  color: rgba(255,255,255,0.5);
  font-size: 1.05rem;
  margin: 0;
}

/* ===== Top Nav Bar ===== */
.blog-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.blog-nav .nav-brand {
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.blog-nav .nav-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s;
}

.blog-nav .nav-links a:hover {
  color: #fff;
}

/* ===== Tag Filter ===== */
.tag-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0 1.5rem;
  margin-bottom: 2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.tag-filter-btn {
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.03);
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.3s;
}

.tag-filter-btn:hover,
.tag-filter-btn.active {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}

/* ===== Blog Grid ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

/* ===== Blog Card ===== */
.blog-card {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s ease;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

@media (hover: hover) {
  .blog-card:hover {
    transform: translateY(-8px);
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.15);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
  }

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

.blog-card-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card-img .no-img {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.15);
  font-size: 2.5rem;
}

.blog-card-body {
  padding: 1.25rem 1.5rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  gap: 1rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
}

.blog-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.blog-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.6rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-excerpt {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 1rem;
}

.blog-card-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.blog-card-tag {
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
}

/* ===== Pagination ===== */
.blog-pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem 0 4rem;
}

.blog-pagination a,
.blog-pagination span {
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.3s;
}

.blog-pagination a {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
}

.blog-pagination a:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.blog-pagination .active {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-weight: 600;
}

.blog-pagination .disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ===== Empty State ===== */
.blog-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: rgba(255,255,255,0.4);
}

.blog-empty i {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

/* ===== Blog Post Page ===== */
.blog-post-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.blog-post-cover {
  width: calc(100% + 3rem);
  margin: 0 -1.5rem 2rem;
  border-radius: 0 0 16px 16px;
  max-height: 400px;
  object-fit: cover;
}

.blog-post-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin: 0 0 1rem;
}

.blog-post-meta {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.45);
  font-size: 0.85rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.blog-post-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* ===== Blog Post Content Typography ===== */
.blog-post-content {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  line-height: 1.85;
}

.blog-post-content h2 {
  font-size: 1.5rem;
  color: #fff;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.blog-post-content h3 {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.9);
  margin: 2rem 0 0.75rem;
}

.blog-post-content p {
  margin: 0 0 1.25rem;
}

.blog-post-content a {
  color: #3498db;
  text-decoration: none;
  border-bottom: 1px solid rgba(52,152,219,0.3);
  transition: border-color 0.3s;
}

.blog-post-content a:hover {
  border-color: #3498db;
}

.blog-post-content ul,
.blog-post-content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

.blog-post-content li {
  margin-bottom: 0.5rem;
}

.blog-post-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-left: 3px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.02);
  border-radius: 0 8px 8px 0;
  color: rgba(255,255,255,0.6);
  font-style: italic;
}

.blog-post-content pre {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}

.blog-post-content code {
  background: rgba(255,255,255,0.06);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.88em;
}

.blog-post-content pre code {
  background: none;
  padding: 0;
}

.blog-post-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 1rem 0;
}

/* ===== Post Tags ===== */
.blog-post-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 2rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.blog-post-tags .tag {
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.3s;
}

.blog-post-tags .tag:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* ===== Social Share ===== */
.blog-share {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

.blog-share span {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

.blog-share a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.blog-share a:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* ===== Sources ===== */
.blog-sources {
  margin: 2rem 0;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 10px;
}

.blog-sources h4 {
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 0.75rem;
}

.blog-sources a {
  display: block;
  color: #3498db;
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
  text-decoration: none;
  word-break: break-all;
}

.blog-sources a:hover {
  text-decoration: underline;
}

/* ===== Related Posts ===== */
.blog-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.blog-related h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.5);
  margin: 0 0 1.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.related-card {
  text-decoration: none;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.related-card:hover {
  background: rgba(255,255,255,0.06);
  transform: translateY(-4px);
}

.related-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.related-card .related-body {
  padding: 0.75rem 1rem;
}

.related-card .related-title {
  font-size: 0.9rem;
  color: #fff;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 0.3rem;
}

.related-card .related-date {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.35);
}

/* ===== Breadcrumb ===== */
.blog-breadcrumb {
  padding: 1rem 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.blog-breadcrumb a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
}

.blog-breadcrumb a:hover {
  color: #fff;
}

.blog-breadcrumb span {
  margin: 0 0.4rem;
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 1rem 3rem;
  }

  .blog-header h1 {
    font-size: 1.8rem;
  }

  .blog-post-title {
    font-size: 1.6rem;
  }

  .blog-post-page {
    padding: 0 1rem 3rem;
  }

  .blog-post-cover {
    width: calc(100% + 2rem);
    margin: 0 -1rem 1.5rem;
    border-radius: 0;
  }

  .blog-nav {
    padding: 0.75rem 1rem;
  }

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

@media screen and (max-width: 480px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}