/* ========== BLOG POST SPECIFIC STYLES ========== */

/* Blog post container */
.blog-post-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem 2rem;
  line-height: 1.65;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  font-size: 16px;
}

/* Post header */
.post-header {
  margin-bottom: 0rem;
  padding-bottom: 0rem;
}

.post-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
  line-height: 1.2;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
}

.post-author {
  color: var(--text-color);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: normal;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

.post-date-reading {
  color: var(--gray-text);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

.post-meta {
  color: var(--gray-text);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

/* Post header link buttons */
.post-header-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0 2rem 0;
}

.post-header-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
}

.post-header-link:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

body.light-mode .post-header-link:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Blog Post Wrapper - Container for sidebar and main content */
.blog-post-wrapper {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

/* Left Sidebar TOC */
.toc-sidebar {
  position: fixed;
  left: max(1rem, calc(50vw - 700px - 260px));
  top: 50%;
  transform: translateY(-50%);
  width: 240px;
  max-height: calc(80vh);
  overflow-y: auto;
  padding: 0 1.5rem 0 1rem;
  background: transparent;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  z-index: 10;
}

.toc-sidebar::-webkit-scrollbar {
  width: 4px;
}

.toc-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.toc-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.toc-sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--text-color);
  opacity: 0.5;
}

.toc-nav {
  position: sticky;
  top: 0;
  display: block;
  width: 100%;
}

.toc-header-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-color);
  opacity: 0.5;
  margin-bottom: 0.75rem;
  padding-left: 0.75rem;
}

#table-of-contents {
  display: block;
  width: 100%;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.toc-list li {
  margin: 0;
  padding: 0;
  display: block;
  width: 100%;
}

.toc-list li.toc-h2 {
  margin-top: 0.4rem;
  margin-bottom: 0;
}

.toc-list li.toc-h2:first-child {
  margin-top: 0;
}

.toc-list li.toc-h3 {
  padding-left: 0;
  margin-top: 0.1rem;
  margin-bottom: 0;
  margin-left: 0.5rem;
}

.toc-link {
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.75rem;
  transition: color 0.2s ease, opacity 0.2s ease;
  display: block;
  padding: 0.3rem 0.75rem;
  opacity: 0.6;
  line-height: 1.4;
  border-left: 2px solid transparent;
  margin-left: 0;
  width: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.toc-h2 .toc-link {
  font-weight: 500;
  font-size: 0.8rem;
}

.toc-h3 .toc-link {
  font-size: 0.7rem;
  font-weight: 400;
  padding-left: 1.25rem;
}

.toc-link:hover {
  opacity: 1;
  color: var(--text-color);
  background: rgba(128, 128, 128, 0.1);
  border-radius: 4px;
}

.toc-link.active {
  opacity: 1;
  color: var(--text-color);
  border-left-color: var(--text-color);
  font-weight: 600;
  background: rgba(128, 128, 128, 0.08);
  border-radius: 4px;
}

/* Main content styling */
.post-content {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-color);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  margin-top: 2rem;
  margin-bottom: 0.8rem;
  font-weight: 600;
  color: var(--text-color);
  line-height: 1.3;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
}

.post-content h1 {
  font-size: 1.875rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.post-content h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.3rem;
}

.post-content h3 {
  font-size: 1.25rem;
}

.post-content h4 {
  font-size: 1.125rem;
}

.post-content h5 {
  font-size: 1rem;
}

.post-content h6 {
  font-size: 0.875rem;
}

/* Paragraphs */
.post-content p {
  margin-bottom: 1.2rem;
  color: var(--text-color);
}

/* Links */
.post-content a {
  color: var(--text-color);
  text-decoration: underline;
  text-decoration-color: var(--border-color);
  transition: all 0.2s ease;
}

.post-content a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
}

/* Lists */
.post-content ul,
.post-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.post-content li {
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.post-content ul ul,
.post-content ol ol,
.post-content ul ol,
.post-content ol ul {
  margin-bottom: 0.5rem;
  margin-top: 0.5rem;
}

/* Blockquotes */
.post-content blockquote {
  border-left: 4px solid var(--border-color);
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background: var(--card-bg);
  font-style: italic;
  color: var(--gray-text);
}

.post-content blockquote p {
  margin-bottom: 0;
}

/* Aside elements (like TL;DR) */
.post-content aside {
  border-left: 4px solid var(--border-color);
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background: var(--card-bg);
  border-radius: 6px;
}

.post-content aside h2 {
  margin-top: 0;
  font-size: 1.2rem;
  border-bottom: none;
}

/* Code blocks */
.post-content pre {
  background: var(--card-bg) !important;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  overflow-x: auto;
  font-size: 0.875em;
  line-height: 1.6;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* Override highlight.js background */
.post-content pre code {
  background: transparent !important;
  padding: 0 !important;
  border: none !important;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* Ensure consistent font size for all syntax-highlighted elements */
.post-content pre code * {
  font-family: inherit !important;
  font-size: inherit !important;
  line-height: inherit !important;
}

.post-content pre .hljs-keyword,
.post-content pre .hljs-function,
.post-content pre .hljs-variable,
.post-content pre .hljs-string,
.post-content pre .hljs-number,
.post-content pre .hljs-class,
.post-content pre .hljs-title,
.post-content pre .hljs-params,
.post-content pre .hljs-comment,
.post-content pre .hljs-built_in,
.post-content pre .hljs-literal,
.post-content pre .hljs-attr,
.post-content pre .hljs-tag,
.post-content pre .hljs-name,
.post-content pre .hljs-selector-tag,
.post-content pre .hljs-selector-id,
.post-content pre .hljs-selector-class {
  font-family: inherit !important;
  font-size: inherit !important;
  font-weight: normal !important;
}

.post-content code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
}

/* Inline code */
.post-content p code,
.post-content li code,
.post-content h1 code,
.post-content h2 code,
.post-content h3 code,
.post-content h4 code,
.post-content h5 code,
.post-content h6 code {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 2px;
  padding: 0.15em 0.3em;
  font-size: 0.9em;
  color: var(--text-color);
}

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

.post-content th,
.post-content td {
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  text-align: left;
}

.post-content th {
  background: var(--card-bg);
  font-weight: bold;
  color: var(--text-color);
}

.post-content td {
  color: var(--text-color);
}

/* Images */
.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Figure with caption */
.post-content figure {
  margin: 2rem 0;
  text-align: center;
}

.post-content figure img {
  margin: 0;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.post-content figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--gray-text);
  text-align: left;
  font-style: italic;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  padding: 0;
}

/* Horizontal rules */
.post-content hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 3rem 0;
}

/* Math expressions */
.post-content .MathJax {
  font-size: 1.1em !important;
}

/* Citation section */
.citation-section {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.citation-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.citation-section p {
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.citation-section pre {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  margin: 1rem 0 2rem 0;
  overflow-x: auto;
  font-size: 0.9rem;
  color: var(--text-color);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Responsive design */
@media (max-width: 1200px) {
  .toc-sidebar {
    display: none !important;
  }
  
  .blog-post-container {
    max-width: 800px;
  }
}

@media (max-width: 768px) {
  .blog-post-container {
    padding: 1rem;
  }
  
  .post-header h1 {
    font-size: 1.7rem;
  }
  
  .post-content {
    font-size: 0.95rem;
  }
  
  .post-content h1 {
    font-size: 1.5rem;
  }
  
  .post-content h2 {
    font-size: 1.3rem;
  }
  
  .post-content h3 {
    font-size: 1.2rem;
  }
  
  .post-content pre {
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .post-content ul,
  .post-content ol {
    padding-left: 1.5rem;
  }
  
  .post-content figcaption {
    font-size: 0.8rem;
    padding: 0;
  }
}

/* Light mode adjustments */
.light-mode .post-content blockquote {
  background: #f8f9fa;
}

.light-mode .post-content aside {
  background: #f8f9fa;
}

.light-mode .post-content pre {
  background: #f8f9fa !important;
}

.light-mode .post-content p code,
.light-mode .post-content li code,
.light-mode .post-content h1 code,
.light-mode .post-content h2 code,
.light-mode .post-content h3 code,
.light-mode .post-content h4 code,
.light-mode .post-content h5 code,
.light-mode .post-content h6 code {
  background: #f8f9fa;
}

.light-mode .post-content th {
  background: #f8f9fa;
}

.light-mode .citation-section pre {
  background: #f8f9fa;
}

/* Smooth scrolling for anchor links */
html {
  scroll-behavior: smooth;
}

/* Highlight targeted headings */
.post-content h1:target,
.post-content h2:target,
.post-content h3:target,
.post-content h4:target,
.post-content h5:target,
.post-content h6:target {
  background: var(--card-bg);
  padding: 0.5rem;
  border-radius: 4px;
  margin-left: -0.5rem;
  margin-right: -0.5rem;
  transition: background 0.3s ease;
}