/* ============================================
   Blog Dashboard & Post Styles
   Dr. M. C. Ruseik Rahumath - Healthcare AI Blog
   ============================================ */

/* --- Dashboard Container --- */
.blog-dashboard {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.blog-dashboard-header {
  text-align: center;
  margin-bottom: 2rem;
}

.blog-dashboard-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.blog-dashboard-header p {
  color: #64748b;
  font-size: 1.1rem;
}

/* --- Search Bar --- */
.blog-search {
  margin-bottom: 1.5rem;
}

.blog-search input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease;
  outline: none;
}

.blog-search input:focus {
  border-color: #2563eb;
}

/* --- Category Filter --- */
.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.category-btn {
  padding: 0.4rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 2rem;
  background: #ffffff;
  color: #475569;
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

.category-btn:hover {
  border-color: #2563eb;
  color: #2563eb;
}

.category-btn.active {
  background: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}

/* --- Post Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* --- Post Card --- */
.blog-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.blog-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.blog-card-category {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: #eff6ff;
  color: #2563eb;
}

.blog-card-date {
  font-size: 0.85rem;
  color: #94a3b8;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.blog-card-excerpt {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.blog-card-tag {
  font-size: 0.75rem;
  color: #94a3b8;
}

.blog-card-tag::before {
  content: '#';
}

/* --- Pagination --- */
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.pagination-btn {
  padding: 0.5rem 1.25rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  background: #ffffff;
  color: #475569;
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
  border-color: #2563eb;
  color: #2563eb;
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 0.9rem;
  color: #64748b;
}

/* --- Loading Skeletons --- */
.blog-skeleton {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.skeleton-line {
  height: 1rem;
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 0.25rem;
  margin-bottom: 0.75rem;
}

.skeleton-line:last-child {
  margin-bottom: 0;
}

.skeleton-line.short {
  width: 30%;
  height: 0.75rem;
}

.skeleton-line.medium {
  width: 60%;
}

.skeleton-line.long {
  width: 90%;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Empty & Error States --- */
.blog-empty {
  text-align: center;
  padding: 3rem 1rem;
}

.blog-empty h3 {
  font-size: 1.25rem;
  color: #475569;
  margin-bottom: 0.5rem;
}

.blog-empty p {
  color: #94a3b8;
  margin-bottom: 1rem;
}

.blog-empty .clear-search {
  padding: 0.5rem 1.25rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  background: #ffffff;
  color: #2563eb;
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

.blog-empty .clear-search:hover {
  background: #eff6ff;
}

/* --- Error State --- */
.blog-error {
  text-align: center;
  padding: 3rem 1rem;
  color: #ef4444;
}

.blog-error button {
  margin-top: 1rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  background: #ffffff;
  color: #475569;
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
}

/* --- Post Article Content (for post.php output) --- */
.blog-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.blog-article h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: #0f172a;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.blog-article h2 {
  font-size: 1.5rem;
  color: #1e293b;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.blog-article h3 {
  font-size: 1.2rem;
  color: #334155;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.blog-article p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 1.25rem;
}

.blog-article ul,
.blog-article ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.blog-article li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 0.25rem;
}

.blog-article pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.blog-article code {
  background: #f1f5f9;
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
  font-size: 0.9em;
  color: #2563eb;
}

.blog-article pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.blog-article blockquote {
  border-left: 4px solid #2563eb;
  padding: 0.5rem 1rem;
  margin: 1.25rem 0;
  background: #f8fafc;
  border-radius: 0 0.5rem 0.5rem 0;
}

.blog-article blockquote p {
  margin-bottom: 0;
  color: #475569;
  font-style: italic;
}

.blog-article img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin: 1.25rem 0;
}

.blog-article a {
  color: #2563eb;
  text-decoration: underline;
}

.blog-article a:hover {
  color: #1d4ed8;
}

.blog-article hr {
  border: none;
  border-top: 1px solid #e2e8f0;
  margin: 2rem 0;
}

/* --- Error Page (post.php 404) --- */
.error-page {
  text-align: center;
  padding: 4rem 1rem;
}

.error-page h1 {
  font-size: 2rem;
  color: #2563eb;
  margin-bottom: 1rem;
}

.error-page p {
  color: #64748b;
  margin-bottom: 2rem;
}

/* --- Responsive --- */
@media (min-width: 640px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 639px) {
  .blog-card {
    padding: 1.25rem;
  }
}