/* Reading-optimized styles */
.article-container, .homepage {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.article-header {
  /*margin-bottom: 3rem;*/
  text-align: center;
}

.article-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  /*margin-top:3rem;*/
  margin-bottom: 0;
  color: var(--heading-color-1);
}

.article-subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.5;
  margin: 0.75rem 0 0rem 0;
  color: var(--text-primary);
  font-family: var(--font-interface);
opacity: 0.8;
  /*font-style: normal;*/
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top:2rem;
  margin-bottom: 1rem;
}

.article-meta time {
  opacity: 0.8;
  font-style: italic;
}

.article-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.article-content h1 { font-size: 2.25rem; }
.article-content h2 { font-size: 1.875rem; }
.article-content h3 { font-size: 1.5rem; }
.article-content h4 { font-size: 1.25rem; }
.article-content h5 { font-size: 1.125rem; }
.article-content h6 { font-size: 1rem; }

.article-content p {
  margin-bottom: 1.75rem;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.75rem;
  padding-left: 2.5rem;
}

.article-content li {
  margin-bottom: 0.75rem;
}

.article-content blockquote {
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background-color: var(--background-secondary);
  border-left: 4px solid var(--text-accent);
  border-radius: 0 4px 4px 0;
  font-style: italic;
  color: var(--text-muted);
}

.article-content code {
  font-family: var(--font-monospace);
  background-color: var(--background-secondary);
  color: var(--text-primary);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.9em;
  border: var(--border-width) solid var(--background-modifier-border);
}

.article-content pre {
  font-family: var(--font-monospace);
  background-color: var(--background-secondary);
  border: var(--border-width) solid var(--background-modifier-border);
  border-radius: 4px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 2rem 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.article-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}

.article-content th,
.article-content td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.article-content th {
  background-color: var(--surface-color);
  font-weight: 600;
  color: var(--text-primary);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  margin: 2rem 0;
  /*box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);*/
}

.article-content hr {
  border: none;
  height: 1px;
  background-color: var(--border-color);
  margin: 3rem 0;
}

.article-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.article-meta-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag {
  background-color: var(--surface-color);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.85rem;
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.tag:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
  text-decoration: none;
}

/* Reading progress bar */
.reading-progress {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--accent-color);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s ease;
  z-index: 1000;
}

/* Table of contents */
.toc {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin: 2rem 0;
}

.toc-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-item {
  margin-bottom: 0.5rem;
}

.toc-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

.toc-link:hover {
  color: var(--accent-color);
}

.toc-link.active {
  color: var(--accent-color);
  font-weight: 500;
}

/* Responsive reading styles */
@media (max-width: 768px) {
  .article-container, .homepage {
    padding: 0 15px;
  }
  
  .article-title {
    font-size: 2rem;
  }
  
  .article-content {
    font-size: 1rem;
  }
  
  .article-content h1 { font-size: 1.75rem; }
  .article-content h2 { font-size: 1.5rem; }
  .article-content h3 { font-size: 1.25rem; }
  
  .article-content pre {
    padding: 1rem;
    font-size: 0.85rem;
  }
  
  .article-content th,
  .article-content td {
    padding: 0.75rem 0.5rem;
  }
}

@media (max-width: 480px) {
  .article-container, .homepage {
    padding: 0 10px;
  }
  
  .article-title {
    font-size: 1.75rem;
  }
  
  .article-content {
    font-size: 0.95rem;
  }
  
  .article-content ul,
  .article-content ol {
    padding-left: 1.5rem;
  }
}