/* ==========================================================================
   Mebo Blog & Article Reader — Healthline Authentic Editorial Styles 🌿
   ========================================================================== */

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 74px;
  right: 0;
  height: 3.5px;
  background: var(--gradient-primary);
  width: 0%;
  z-index: 101;
  transition: width 0.1s ease-out;
}

/* Blog Hub Hero */
.blog-header-section {
  padding: 44px 0 24px;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.blog-header-section .badge {
  margin-bottom: 12px;
}

.blog-header-section h1 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 12px;
}

.blog-header-section p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 680px;
  margin: 0 auto;
}

/* Category Filter Bar */
.blog-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 10px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-page);
  border: 1.5px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: var(--font-arabic);
}

.filter-btn .svg-icon {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

.filter-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.35);
}

.filter-btn.active .svg-icon {
  color: #ffffff;
}

/* ==========================================================================
   Article Reading View (Healthline Single Article Style)
   ========================================================================== */
.article-reader-container {
  width: min(840px, 92%);
  margin: 40px auto 80px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .article-reader-container {
    padding: 24px 18px;
    margin: 20px auto 60px;
    border-radius: var(--radius-lg);
  }
}

.article-header {
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 28px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.article-breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-breadcrumb a:hover {
  color: var(--color-primary);
}

.article-breadcrumb .svg-icon {
  width: 14px;
  height: 14px;
}

.article-main-title {
  font-size: clamp(26px, 3.8vw, 38px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-main);
}

/* Healthline Signature "Medically Reviewed / Fact-Checked" Box */
.hl-medical-review-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: 13.5px;
}

.hl-medical-review-badge .review-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hl-medical-review-badge .review-icon .svg-icon {
  width: 18px;
  height: 18px;
}

.hl-medical-review-badge .review-text strong {
  display: block;
  color: var(--color-primary-hover);
  font-size: 13.5px;
  font-weight: 700;
}

.hl-medical-review-badge .review-text span {
  color: var(--color-primary);
  font-size: 12px;
}

/* Author Row */
.article-author-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 10px;
}

.author-meta-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  border: 1.5px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.author-avatar .svg-icon {
  width: 22px;
  height: 22px;
}

.author-info h4 {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-main);
}

.author-info p {
  font-size: 12.5px;
  color: var(--text-muted);
}

.article-read-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.article-read-stats span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-read-stats .svg-icon {
  width: 15px;
  height: 15px;
  color: var(--color-primary);
}

/* Article Typography & Body */
.article-content {
  font-size: 17.5px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-content p {
  margin-bottom: 24px;
}

.article-content h2 {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 800;
  color: var(--text-main);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-color);
  position: relative;
}

.article-content h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 0;
  width: 48px;
  height: 2px;
  background: var(--color-primary);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin: 28px 0 12px;
}

.article-content ul, .article-content ol {
  margin: 0 24px 24px 0;
  padding: 0;
}

.article-content li {
  margin-bottom: 10px;
  padding-right: 6px;
}

.article-content strong {
  color: var(--text-main);
  font-weight: 700;
}

/* Callouts (Healthline Editorial Boxes) */
.article-callout {
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  margin: 32px 0;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-right: 4px solid var(--color-primary);
}

.article-callout.tip {
  background: var(--color-primary-light);
  border-color: var(--color-primary-border);
  border-right-color: var(--color-primary);
}

.article-callout.evidence {
  background: var(--color-emerald-light);
  border-color: var(--color-emerald-border);
  border-right-color: var(--color-emerald);
}

.article-callout-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  color: var(--color-primary);
}

.article-callout.evidence .article-callout-icon {
  color: var(--color-emerald);
}

.article-callout-icon .svg-icon {
  width: 20px;
  height: 20px;
}

.article-callout-text h4 {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.article-callout-text p {
  font-size: 14.5px;
  margin: 0;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* Scientific Citations & Healthline Sources Box */
.hl-sources-section {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin: 48px 0 32px;
}

.hl-sources-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.hl-sources-header .svg-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.hl-sources-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hl-sources-list li {
  font-size: 13.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.6;
}

.hl-sources-list a {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.hl-sources-list a .svg-icon {
  width: 12px;
  height: 12px;
}

/* Article Share & Footer Bar */
.article-footer-share {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  margin-top: 32px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 16px;
}

.article-share-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.share-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.share-btn .svg-icon {
  width: 15px;
  height: 15px;
}