/* ═══════════════════════════════════════════════════════
   Tenmahealth — Blog Stylesheet
   Extends main.css for blog listing and single post views
═══════════════════════════════════════════════════════ */

/* ── Blog Hero ── */
.blog-hero {
  padding: 4rem 0 2rem;
  text-align: center;
}
.blog-hero__sub {
  max-width: 600px;
  margin: .75rem auto 0;
  color: var(--gray-600);
  font-size: .95rem;
}

/* ── Category Pills ── */
.blog-categories {
  padding: 0 0 2rem;
}
.blog-cat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: center;
}
.blog-cat-pill {
  padding: .4rem 1rem;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  text-decoration: none;
  transition: all .2s;
}
.blog-cat-pill:hover { border-color: var(--cobalt); color: var(--cobalt); }
.blog-cat-pill.active { background: var(--cobalt); color: var(--white); border-color: var(--cobalt); }

/* ── Blog Grid ── */
.blog-list {
  padding-bottom: 4rem;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card__img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.blog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s;
}
.blog-card:hover .blog-card__img img {
  transform: scale(1.05);
}

.blog-card__body {
  padding: 1.25rem;
}

.blog-card__cat {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--cobalt);
  background: rgba(39,89,187,.08);
  padding: .2rem .6rem;
  border-radius: 100px;
  margin-bottom: .5rem;
}

.blog-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: .5rem;
}
.blog-card__title a {
  color: var(--navy);
  text-decoration: none;
}
.blog-card__title a:hover { color: var(--cobalt); }

.blog-card__excerpt {
  font-size: .875rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: .75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .75rem;
  color: var(--gray-400);
}
.blog-card__geo {
  font-size: .75rem;
}

/* ── Pagination ── */
.blog-pagination {
  display: flex;
  justify-content: center;
  gap: .5rem;
  margin-top: 2rem;
}
.blog-pagination__link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  text-decoration: none;
  transition: all .2s;
}
.blog-pagination__link:hover { border-color: var(--cobalt); color: var(--cobalt); }
.blog-pagination__link.active { background: var(--cobalt); color: var(--white); border-color: var(--cobalt); }

.blog-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-400);
}

/* ════════════════════════════
   SINGLE BLOG POST
════════════════════════════ */

/* Breadcrumb */
.breadcrumb {
  padding: 1rem 0;
  background: var(--gray-100);
}
.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: .5rem;
  list-style: none;
  font-size: .8rem;
  color: var(--gray-400);
}
.breadcrumb__list a { color: var(--cobalt); text-decoration: none; }
.breadcrumb__list a:hover { text-decoration: underline; }
.breadcrumb__list li:not(:last-child)::after {
  content: '›';
  margin-left: .5rem;
  color: var(--gray-400);
}
.breadcrumb__list li[aria-current="page"] {
  color: var(--navy);
  font-weight: 500;
}

/* Article */
.blog-article {
  padding: 3rem 0 4rem;
}
.blog-article .container {
  max-width: 800px;
}

.blog-article__header {
  text-align: center;
  margin-bottom: 2rem;
}
.blog-article__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--navy);
  margin-top: .75rem;
}
.blog-article__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
  font-size: .8rem;
  color: var(--gray-400);
}
.blog-article__author { font-weight: 600; color: var(--cobalt); }

.blog-article__img {
  margin: 2rem 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.blog-article__img img {
  width: 100%;
  height: auto;
}

/* Article body */
.blog-article__body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}
.blog-article__body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin: 2.5rem 0 .75rem;
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--gray-200);
}
.blog-article__body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
  margin: 2rem 0 .5rem;
}
.blog-article__body h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  margin: 1.5rem 0 .4rem;
}
.blog-article__body p {
  margin-bottom: 1.25rem;
}
.blog-article__body ul, .blog-article__body ol {
  margin: 1rem 0 1.5rem;
  padding-left: 1.5rem;
}
.blog-article__body li {
  margin-bottom: .5rem;
  list-style: disc;
}
.blog-article__body ol li {
  list-style: decimal;
}
.blog-article__body a {
  color: var(--cobalt);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color .15s;
}
.blog-article__body a:hover {
  color: var(--navy);
}
.blog-article__body strong {
  font-weight: 700;
  color: var(--navy);
}
.blog-article__body blockquote {
  border-left: 4px solid var(--cobalt);
  padding: 1.25rem 1.5rem;
  background: var(--gray-100);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.75rem 0;
  font-style: italic;
  color: var(--gray-600);
  position: relative;
}
.blog-article__body blockquote::before {
  content: '\201C';
  font-size: 3rem;
  color: var(--cobalt);
  opacity: .2;
  position: absolute;
  top: -.25rem;
  left: .5rem;
  line-height: 1;
}
.blog-article__body code {
  background: var(--gray-100);
  padding: .2rem .45rem;
  border-radius: 4px;
  font-size: .88rem;
  font-family: 'Fira Code', 'Courier New', monospace;
  color: var(--cobalt);
}
.blog-article__body pre {
  background: var(--navy);
  color: var(--cyan, #00f7df);
  padding: 1.25rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1.75rem 0;
  line-height: 1.6;
}
.blog-article__body pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: .85rem;
}
.blog-article__body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 1.5rem 0;
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
.blog-article__body figure {
  margin: 2rem 0;
  text-align: center;
}
.blog-article__body figure img {
  margin: 0 auto .5rem;
  display: block;
}
.blog-article__body figcaption {
  font-size: .85rem;
  color: var(--gray-400);
  font-style: italic;
}
.blog-article__body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: .95rem;
}
.blog-article__body th,
.blog-article__body td {
  padding: .75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}
.blog-article__body th {
  background: var(--gray-100);
  font-weight: 600;
  color: var(--navy);
  border-bottom: 2px solid var(--gray-200);
}
.blog-article__body tr:hover td {
  background: rgba(0,0,0,.015);
}
.blog-article__body hr {
  border: none;
  border-top: 2px solid var(--gray-200);
  margin: 2.5rem 0;
}
.blog-article__body mark {
  background: linear-gradient(180deg, transparent 60%, rgba(37,99,235,.15) 60%);
  padding: 0 .15rem;
}

/* FAQ Section */
.blog-faq {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--gray-200);
}
.blog-faq h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
}

.faq-details {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: .75rem;
  overflow: hidden;
}
.faq-details summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  transition: background .2s;
  list-style: none;
}
.faq-details summary::-webkit-details-marker { display: none; }
.faq-details summary::before {
  content: '+';
  display: inline-block;
  width: 24px;
  font-weight: 700;
  color: var(--cobalt);
}
.faq-details[open] summary::before { content: '−'; }
.faq-details[open] summary { background: var(--gray-100); }
.faq-details p {
  padding: .75rem 1.25rem 1rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Blog CTA */
.blog-article__cta {
  margin-top: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, var(--navy), #1e3a5f);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--white, #fff);
}
.blog-article__cta h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .5rem;
}
.blog-article__cta p {
  color: rgba(255,255,255,.7);
  margin-bottom: 1rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-article__meta { flex-direction: column; gap: .25rem; }
  .llm-toggle { flex-wrap: wrap; }
}

/* ════════════════════════════
   LLM TOGGLE & MARKDOWN VIEW
════════════════════════════ */

/* Toggle bar */
.llm-toggle {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 1.5rem 0;
  padding: .5rem;
  background: var(--gray-100);
  border-radius: var(--radius);
  width: fit-content;
}

.llm-toggle__btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1rem;
  border: none;
  border-radius: 6px;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  background: transparent;
  color: var(--gray-400);
}
.llm-toggle__btn:hover {
  color: var(--navy);
  background: rgba(255,255,255,.5);
}
.llm-toggle__btn.active {
  background: var(--white);
  color: var(--navy);
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.llm-toggle__btn[data-view="llm"].active {
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  color: #00f7df;
}

.llm-toggle__link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .35rem .75rem;
  font-size: .75rem;
  font-weight: 500;
  color: var(--cobalt);
  text-decoration: none;
  border-left: 1px solid var(--gray-200);
  margin-left: .25rem;
  transition: color .15s;
}
.llm-toggle__link:hover { color: var(--navy); }

/* Markdown view container */
.blog-article__markdown {
  margin: 1rem 0 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid #1a1a2e;
}

.markdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.25rem;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
}

.markdown-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .75rem;
  font-weight: 600;
  color: #00f7df;
  letter-spacing: .03em;
}
.markdown-badge::before {
  content: '🤖';
  font-size: .85rem;
}

.markdown-copy {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .75rem;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.7);
  font-size: .75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
}
.markdown-copy:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: rgba(255,255,255,.3);
}
.markdown-copy.copied {
  color: #00f7df;
  border-color: #00f7df;
}

.markdown-content {
  background: #0d1117;
  color: #c9d1d9;
  padding: 1.5rem;
  margin: 0;
  font-family: 'Fira Code', 'JetBrains Mono', 'Courier New', monospace;
  font-size: .85rem;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 80vh;
  overflow-y: auto;
}
.markdown-content code {
  font-family: inherit;
  color: inherit;
  background: none;
  padding: 0;
  font-size: inherit;
}