.custom-post-title {
  font-size: 2.6rem;
  font-weight: 600;
  text-align: center;
  margin-top: 2.5rem;
  margin-bottom: 1.2rem;
  line-height: 1.2;
}
.custom-post-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.custom-post-category-badge {
  background: #f3f4f6;
  color: #333;
  border-radius: 20px;
  padding: 0.4em 1.1em;
  font-size: 0.95em;
  font-weight: 500;
  border: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
.custom-post-image-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}
.custom-post-image {
  border-radius: 22px;
  max-width: 100%;
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
}
.custom-post-author-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0 2.5rem 0;
  justify-content: flex-start;
}
.custom-post-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #e5e7eb;
}
.custom-post-author-meta {
  display: flex;
  flex-direction: column;
  font-size: 1.05em;
}
.custom-post-author-name {
  font-weight: 500;
  color: #222;
}
.custom-post-date {
  color: #888;
  font-size: 0.97em;
}
.custom-post-content {
  margin-top: 1.5rem;
  font-size: 1.18em;
  line-height: 1.7;
  color: #232323;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.custom-post-footer {
  margin-top: 3rem;
  text-align: center;
}

/* Recommended posts */
.recommended-posts {
  margin-top: 4rem;
  border-top: 1px solid #f1f5f9;
  padding-top: 2.5rem;
}
.recommended-posts h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 1.4rem;
  color: #0f172a;
}
.recommended-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.rec-card {
  background: #fff;
  border: 1px solid #e9eef6;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(2, 6, 23, 0.04);
  transition:
    box-shadow 0.3s ease,
    transform 0.3s ease;
}
.rec-card:hover {
  box-shadow: 0 8px 32px rgba(2, 6, 23, 0.12);
  transform: translateY(-3px);
}
.rec-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.rec-media {
  position: relative;
  overflow: hidden;
}
.rec-media img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.rec-card:hover .rec-media img {
  transform: scale(1.05);
}
.rec-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: #1f2937;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  box-shadow: 0 1px 4px rgba(2, 6, 23, 0.08);
}
.rec-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.rec-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  color: #0f172a;
  line-height: 1.35;
}
.rec-excerpt {
  margin: 0;
  font-size: 0.88rem;
  color: #64748b;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .recommended-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .recommended-grid {
    grid-template-columns: 1fr;
  }
  .rec-media img {
    height: 200px;
  }
}

/* Layout: two-column with left meta column and main content */
.post-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}
.post-meta-column {
  padding-right: 12px;
}

/* Improve spacing between meta boxes and author name layout */
.post-meta-box {
  margin-bottom: 1.2rem;
}

.bac .meta-label {
  display: block;
  font-size: 0.95rem;
  color: #666;
  font-weight: 600;
}

.meta-author-name {
  display: block;
  margin-top: 0.4rem;
}

.meta-author-first {
  display: inline;
  font-weight: 600;
  color: #222;
  line-height: 1.1;
}

.meta-author-last {
  display: inline;
  font-weight: 600;
  color: #222;
  font-size: 0.95rem;
  margin-left: 0.5rem;
}

/* Back-to-top button: hidden by opacity when inactive, animates in/out smoothly */
.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 22px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #0b0b0b;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(2, 6, 23, 0.35);
  border: none;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  pointer-events: none;
  transition:
    opacity 300ms cubic-bezier(0.2, 0.9, 0.3, 1),
    transform 300ms cubic-bezier(0.2, 0.9, 0.3, 1);
  z-index: 1200;
}
.back-to-top .material-symbols-rounded {
  font-size: 20px;
}
.back-to-top.visible {
  /* Slight transparency when shown */
  opacity: 0.88;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.back-to-top.visible:hover,
.back-to-top.visible:focus {
  opacity: 1;
}

.back-to-blog {
  text-decoration: none;
  color: #2d3e50;
  font-weight: 500;
}

.back-to-blog:hover {
  color: #1a69be;
}

/* Responsive: tablet (<= 768px) */
@media (max-width: 768px) {
  .custom-post-title {
    font-size: 2.1rem;
    margin-top: 1.8rem;
    margin-bottom: 1rem;
  }

  .custom-post-categories {
    gap: 0.4rem;
    margin-bottom: 1rem;
  }

  .custom-post-image {
    max-height: 420px;
    border-radius: 18px;
  }

  .custom-post-author-row {
    gap: 0.75rem;
    margin: 1rem 0 1.8rem 0;
  }

  .custom-post-author-avatar {
    width: 44px;
    height: 44px;
  }

  .custom-post-content {
    font-size: 1.06em;
    line-height: 1.6;
    max-width: 100%;
    padding: 0 18px;
  }

  /* Stack the meta column above content on smaller screens */
  .post-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .post-meta-column {
    padding-right: 0;
  }

  .custom-post-content-wrapper {
    padding-left: 16px;
    border-left: none;
  }
}

/* Responsive: mobile (<= 425px) */
@media (max-width: 425px) {
  .custom-post-title {
    font-size: 1.6rem;
    margin-top: 1.2rem;
    margin-bottom: 0.8rem;
    line-height: 1.15;
    padding: 0 12px;
  }

  .custom-post-categories {
    justify-content: center;
    gap: 0.35rem;
  }

  .custom-post-category-badge {
    padding: 0.28em 0.85em;
    font-size: 0.85em;
  }

  .custom-post-image-wrapper {
    margin-bottom: 1.2rem;
    padding: 0 12px;
  }

  .custom-post-image {
    max-height: 300px;
    border-radius: 14px;
  }

  .custom-post-author-row {
    gap: 0.6rem;
    align-items: center;
  }

  .custom-post-author-avatar {
    width: 40px;
    height: 40px;
  }

  .custom-post-content {
    font-size: 1.02em;
    line-height: 1.55;
    padding: 0 12px 1rem 12px;
    margin-top: 1rem;
  }

  .custom-post-content-wrapper {
    padding-left: 12px;
    border-left: none;
  }

  .post-meta-column {
    display: block;
    padding: 0 12px;
  }

  .post-layout {
    gap: 16px;
  }
}

/* Back-to-top button */
@media (max-width: 425px) {
  .back-to-top {
    right: 12px;
    bottom: 18px;
    width: 44px;
    height: 44px;
  }
  .back-to-top .material-symbols-rounded {
    font-size: 18px;
  }
}

@media (max-width: 425px) {
  .back-to-top {
    right: 12px;
    bottom: 18px;
    width: 44px;
    height: 44px;
  }
  .back-to-top .material-symbols-rounded {
    font-size: 18px;
  }
}