/* HYMHE - Healthy Young Mind for Healthy Earth Blog CSS */

/* --- Reading Progress Bar --- */
.reading-progress-container {
  position: fixed;
  top: 5rem; /* Matches sticky header height */
  left: 0;
  width: 100%;
  height: 4px;
  background-color: rgba(226, 232, 240, 0.5);
  z-index: 999;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background-color: var(--primary);
  transition: width 0.1s ease-out;
}

/* For mobile navbar sizing */
@media (max-width: 768px) {
  .reading-progress-container {
    top: 4.5rem;
  }
}

/* --- Blog Header & Banner --- */
.blog-header {
  background: radial-gradient(circle at 50% 100%, var(--primary-glow) 0%, transparent 50%),
              radial-gradient(circle at 10% 20%, var(--accent-glow) 0%, transparent 30%);
  padding-top: 9rem;
  padding-bottom: 3.5rem;
}

/* --- Empty State Section --- */
.blog-empty-state {
  text-align: center;
  padding: 5rem 3rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-xl);
  max-width: 650px;
  margin: 2rem auto;
  box-shadow: var(--shadow-lg);
}

.blog-empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5.5rem;
  height: 5.5rem;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  font-size: 2.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.blog-empty-title {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--dark-green);
  margin-bottom: 1.25rem;
}

.blog-empty-message {
  font-size: 1rem;
  color: var(--secondary-text);
  line-height: 1.65;
  margin-bottom: 2rem;
}

/* --- Blog Cards Layout (For Future Use) --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 1.5rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(34, 197, 94, 0.25);
}

.blog-card-img-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  overflow: hidden;
}

.blog-card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.blog-card-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: block;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--dark-text);
  line-height: 1.35;
}

.blog-card-excerpt {
  font-size: 0.925rem;
  color: var(--secondary-text);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(226, 232, 240, 0.6);
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--secondary-text);
}

.blog-card-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-card-author-img {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  object-fit: cover;
  background-color: #e2e8f0;
}

.blog-card-date-read {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 0.75rem;
}

/* Responsive Blog Cards */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    max-width: 480px;
    margin: 1rem auto 0 auto;
  }
}


/* --- Blog Article Page Layout (Medium/Substack inspired) --- */
.blog-post-container {
  padding-top: 9rem;
  padding-bottom: 6.5rem;
}

.blog-post-article {
  max-width: 700px;
  margin: 0 auto;
}

.blog-post-header {
  margin-bottom: 2.5rem;
  text-align: left;
}

.blog-post-category {
  display: inline-block;
  background-color: var(--primary-light);
  color: var(--dark-green);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.blog-post-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--dark-text);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.blog-post-summary {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--secondary-text);
  margin-bottom: 2rem;
  font-weight: 400;
}

/* Author Details under Title */
.blog-post-author-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  margin-bottom: 2.5rem;
}

.blog-post-author-avatar {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  object-fit: cover;
  background-color: #e2e8f0;
}

.blog-post-author-info {
  display: flex;
  flex-direction: column;
}

.blog-post-author-name {
  font-weight: 600;
  color: var(--dark-text);
  font-size: 1rem;
}

.blog-post-meta-details {
  font-size: 0.85rem;
  color: var(--secondary-text);
  display: flex;
  gap: 0.75rem;
}

/* Article Content Body */
.blog-post-content {
  font-size: 1.125rem; /* Medium style highly-readable body sizing */
  line-height: 1.8;
  color: #2c3e50; /* Slightly darker for optimal contrast */
}

.blog-post-content p {
  color: #2c3e50;
  font-size: 1.125rem;
  margin-bottom: 1.75rem;
}

.blog-post-content h2, 
.blog-post-content h3 {
  color: var(--dark-text);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.015em;
}

.blog-post-content h2 {
  font-size: 1.75rem;
}

.blog-post-content h3 {
  font-size: 1.4rem;
}

/* Lists styling */
.blog-post-content ul,
.blog-post-content ol {
  margin-bottom: 1.75rem;
  padding-left: 2rem;
}

.blog-post-content li {
  margin-bottom: 0.5rem;
  color: #2c3e50;
}

/* Image blocks */
.blog-post-image-block {
  margin: 2.5rem 0;
  text-align: center;
}

.blog-post-image-block img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  cursor: zoom-in;
}

.blog-post-image-caption {
  font-size: 0.875rem;
  color: var(--secondary-text);
  margin-top: 0.75rem;
  font-style: italic;
}

/* Callouts */
.blog-post-callout {
  background-color: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  padding: 1.5rem;
  margin: 2.5rem 0;
  display: flex;
  gap: 1rem;
}

.blog-post-callout-icon {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.blog-post-callout-text {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--dark-green);
  font-weight: 500;
}

/* Blockquotes */
.blog-post-blockquote {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 500;
  color: var(--dark-green);
  border-left: 4px solid var(--accent);
  padding-left: 1.5rem;
  margin: 2.5rem 0;
  line-height: 1.5;
}

/* About Author Bio Card */
.author-bio-card {
  margin-top: 4.5rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.author-bio-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.author-bio-avatar {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  object-fit: cover;
  background-color: #e2e8f0;
  flex-shrink: 0;
}

.author-bio-details h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark-text);
  margin-bottom: 0.5rem;
}

.author-bio-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--secondary-text);
}

/* Responsive typography adjustments */
@media (max-width: 768px) {
  .blog-post-container {
    padding-top: 7rem;
    padding-bottom: 4.5rem;
  }
  
  .blog-post-title {
    font-size: 2.15rem;
  }
  
  .blog-post-summary {
    font-size: 1.15rem;
  }
  
  .blog-post-content {
    font-size: 1.05rem;
  }
  
  .blog-post-content p {
    font-size: 1.05rem;
  }
  
  .blog-post-blockquote {
    font-size: 1.25rem;
  }
  
  .author-bio-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Lightbox Modal overlay styling */
.blog-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 24, 39, 0.95);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.blog-lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.blog-lightbox img {
  max-width: 90%;
  max-height: 85%;
  object-fit: contain;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.blog-lightbox.active img {
  transform: scale(1);
}

.blog-lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.blog-lightbox-close:hover {
  background-color: rgba(255,255,255,0.1);
}