#single {
    padding: 60px 0;
    line-height: 1.7em;
    font-size: 17px;
}

#single .title > h1 {
    opacity: 0.8;
    color: var(--text-color) !important;
}

#single .title small {
    opacity: 0.7;
}

#single .featured-image {
    padding: 1rem;
    padding-top: 0;
}

#single .featured-image img {
    border-radius: 1rem;
    box-shadow: 0px 8px 56px rgba(15, 80, 100, 0.16);
    margin-bottom: 1rem;
    background-color: var(--secondary-color);
}

#single .page-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin: 1.5rem auto;
    display: block;
    /* Ensure crisp rendering */
    image-rendering: -webkit-optimize-contrast;
    -ms-interpolation-mode: nearest-neighbor;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    /* Force GPU acceleration for smoother rendering */
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* For retina and high-DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx), (min-resolution: 192dpi) {
    #single .page-content img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: auto;
    }
}

/* Reset image-rendering for smooth scaling on modern browsers */
@supports (image-rendering: -webkit-optimize-contrast) {
    #single .page-content img {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* For browsers that support smooth scaling */
@supports (image-rendering: auto) {
    #single .page-content img {
        image-rendering: auto;
    }
}

#single .page-content a {
    display: inline-block;
    text-decoration: none;
    color: var(--text-link-color) !important;
}

#single .page-content a::after {
    content: "";
    display: block;
    width: 0px;
    height: 2px;
    bottom: 0.37em;
    background-color: var(--primary-color);
    transition: all 0.25s cubic-bezier(0.645,0.045,0.355,1);
    opacity: 0.5;
}

#single .page-content a:hover::after, #single .page-content a:focus::after, #single .page-content a:active::after {
    width: 100%;
}

#single .page-content h1, #single .page-content h2, #single .page-content h3, #single .page-content h4, #single .page-content h5, #single .page-content h6 {
    color: var(--text-link-color) !important;
    margin-bottom: 0.7em;
    opacity: 0.9;
}

#single .page-content blockquote {
    background: var(--background-color) !important;
    border: none !important;
    border-left: 4px solid var(--primary-color) !important;
    margin: 1.5rem 0;
    padding: 1rem 1.5rem !important;
    border-radius: 0 !important;
    box-shadow: none;
    position: relative;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
}

#single .page-content blockquote, #single .page-content blockquote * {
    background-color: var(--background-color) !important;
}

#single .page-content blockquote p {
    margin-bottom: 0.75rem;
}

#single .page-content blockquote p:last-child {
    margin-bottom: 0;
}

#single .page-content blockquote strong {
    color: #0969da !important;
    font-weight: 600;
}

#single .page-content blockquote code {
    background: #fff !important;
    color: #0969da !important;
    border: 1px solid #d1d9e0;
}

/* Warning callouts */
#single .page-content blockquote:has(*:contains("⚠️")) {
  border-left-color: #bf8700 !important;
  background: #fff8c5 !important;
  border-color: #d4a72c;
}

#single .page-content blockquote:has(*:contains("⚠️")) strong {
  color: #bf8700 !important;
}

#single .page-content blockquote:has(*:contains("⚠️")), #single .page-content blockquote:has(*:contains("⚠️")) * {
  background-color: #fff8c5 !important;
}

/* Math blockquotes */
#single .page-content blockquote:has(*:contains("Mathematically")) {
  border-left-color: #1a7f37 !important;
  background: #dafbe1 !important;
  border-color: #2da44e;
}

#single .page-content blockquote:has(*:contains("Mathematically")) strong {
  color: #1a7f37 !important;
}

#single .page-content blockquote:has(*:contains("Mathematically")), #single .page-content blockquote:has(*:contains("Mathematically")) * {
  background-color: #dafbe1 !important;
}

/* CAUTION callouts */
#single .page-content blockquote:has(*:contains("CAUTION")) {
  border-left-color: #cf222e !important;
  background: #ffebe9 !important;
  border-color: #f85149;
}

#single .page-content blockquote:has(*:contains("CAUTION")) strong {
  color: #cf222e !important;
}

#single .page-content blockquote:has(*:contains("CAUTION")), #single .page-content blockquote:has(*:contains("CAUTION")) * {
  background-color: #ffebe9 !important;
}

/* Note callouts */
#single .page-content blockquote:has(*:contains("Note")) {
  border-left-color: var(--primary-color) !important;
  background: var(--background-color) !important;
  border: none !important;
  border-left: 4px solid var(--primary-color) !important;
}

#single .page-content blockquote:has(*:contains("Note")) strong {
  color: var(--primary-color) !important;
}

#single .page-content blockquote:has(*:contains("Note")), #single .page-content blockquote:has(*:contains("Note")) * {
  background-color: var(--background-color) !important;
}

/* Enhanced Code Styling - Clean and Elegant with Copy Button */
#single .page-content .highlight {
  background: var(--secondary-color) !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 0;
  margin: 1.5rem 0;
  position: relative;
  font-size: 0.9rem;
  overflow-x: auto;
}

#single .page-content pre {
  background: var(--secondary-color) !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 1rem;
  margin: 0;
  overflow-x: auto;
  position: relative;
  font-size: 0.9rem;
  max-height: none;
}

/* Copy button positioned on the highlight container */
#single .page-content .highlight .copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--text-secondary-color);
  color: var(--secondary-color);
  border: none;
  padding: 0.4rem;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
  opacity: 0.7;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

#single .page-content .highlight .copy-button:hover {
  background: var(--primary-color);
  color: var(--secondary-color);
  opacity: 1;
}

#single .page-content .highlight .copy-button.copied {
  background: var(--primary-color);
  color: var(--primary-color);
  opacity: 1;
}

#single .page-content .highlight .copy-button::before {
  content: "📋";
  font-size: 0.9rem;
}

#single .page-content .highlight .copy-button.copied::before {
  content: "✓";
  font-size: 0.9rem;
  color: var(--primary-color);
}

/* Override Hugo's inline styles for code blocks */
#single .page-content .highlight,
#single .page-content .highlight *,
#single .page-content .highlight div,
#single .page-content .highlight table,
#single .page-content .highlight td,
#single .page-content .highlight pre {
  background-color: var(--secondary-color) !important;
  background: var(--secondary-color) !important;
}

/* Style line numbers but keep them visible */
#single .page-content .highlight table td:first-child {
  width: auto !important;
  padding-right: 0.5rem !important;
  text-align: right !important;
  user-select: none !important;
  opacity: 0.4 !important;
}

#single .page-content .highlight table td:first-child pre {
  padding: 1rem 0.5rem 1rem 1rem !important;
}

/* Make sure code content has proper padding */
#single .page-content .highlight table td:last-child {
  width: 100% !important;
}

#single .page-content .highlight table td:last-child pre {
  padding: 1rem 1rem 1rem 0 !important;
}

#single .page-content code {
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace !important;
  font-size: 0.9rem;
  line-height: 1.6;
}

#single .page-content pre code {
  background: transparent !important;
  color: var(--text-color) !important;
  padding: 0;
  border: none;
  border-radius: 0;
  display: block;
  white-space: pre;
}

/* Inline code styling */
#single .page-content p code {
  background: none !important;
  color: var(--text-color) !important;
  padding: 0;
  border: none;
  border-radius: 0;
  font-size: 0.85em;
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace !important;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Subtle syntax highlighting - Tomorrow Light inspired */
#single .page-content pre code .hljs-keyword {
  color: var(--primary-color);
  font-weight: 600;
}

#single .page-content pre code .hljs-string {
  color: #718096;
}

#single .page-content pre code .hljs-number {
  color: var(--primary-color);
}

#single .page-content pre code .hljs-comment {
  color: var(--text-secondary-color);
  font-style: italic;
  opacity: 0.7;
}

#single .page-content pre code .hljs-function {
  color: var(--text-link-color);
}

#single .page-content pre code .hljs-variable {
  color: var(--text-color);
}

#single .page-content pre code .hljs-operator {
  color: var(--text-color);
}

#single .page-content pre code .hljs-punctuation {
  color: var(--text-color);
}

#single .page-content pre code .hljs-built_in {
  color: var(--primary-color);
}

#single .page-content pre code .hljs-title {
  color: var(--text-link-color);
  font-weight: 600;
}

#single .page-content pre code .hljs-params {
  color: var(--text-color);
}

/* Subtle Math Equations - inline style */
#single .page-content .katex {
  font-size: 1em;
  color: #24292f;
}

#single .page-content .katex-display {
  margin: 1.5rem 0;
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  text-align: center;
}

#single .page-content .katex-display .katex {
  font-size: 1.1em;
}

/* Math in blockquotes */
#single .page-content blockquote .katex {
  font-size: 1em;
  color: inherit !important;
  background: transparent !important;
}

#single .page-content blockquote .katex-display {
  margin: 0.5rem 0;
  background: transparent !important;
  text-align: left;
}

/* Ensure math renders properly in all contexts */
#single .page-content .katex {
  font-size: 1em;
  color: var(--text-color);
}

#single .page-content .katex-display {
  margin: 1.5rem 0;
  padding: 0;
  background: transparent;
  border: none;
  text-align: center;
}

/* sidebar */

#single aside {
    background-color: var(--secondary-color);
    border-radius: .7rem;
    padding: .7rem 1rem;
    margin-bottom: 1em;
}

#single .sticky-sidebar {
  position: sticky;
}

#single .sticky-sidebar ::-webkit-scrollbar {
    height: 0px;
    width: 8px;
}

/* Tags */
#single aside.tags {
    max-height: 35vh;
    overflow: scroll;
}

#single aside.tags h5 {
    margin: .7em 0;
    margin-bottom: 1em;
}


#single aside.tags ul.tags-ul li a {
    padding: 5px 10px;
    margin-bottom: 2px;
    border-radius: 10px;
    background-color: var(--background-color);
    text-decoration: none;
    color: var(--text-link-color) !important;
}

#single aside.tags ul.tags-ul li {
    margin-bottom: 0.8rem;
}

#single aside.tags ul.tags-ul li:hover {
    opacity: 0.8;
}


/*TOC*/
#single aside.toc {
    padding: .7rem 1rem;
    max-height: 75vh;
    overflow-y: auto;
    margin-bottom: 1em;
}

#single aside.toc h5 {
    margin: .7em 0;
    margin-bottom: 1em;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
}

#single aside.toc .toc-content {
    font-size: 0.9rem;
}

#single aside.toc .toc-content ol, #single aside.toc .toc-content ul {
    margin-bottom: 0.5em;
    padding-left: 1em;
    list-style: none;
    opacity: 0.9;
}

#single aside.toc .toc-content ol li, #single aside.toc .toc-content ul li {
    margin-bottom: 0.5em;
    line-height: 1.4;
}

#single aside.toc .toc-content ol li a, #single aside.toc .toc-content ul li a {
    font-size: 14px;
    text-decoration: none;
    color: var(--text-link-color) !important;
    opacity: 0.8;
    display: block;
    padding: 0.2em 0;
    transition: all 0.2s ease;
    font-weight: 500;
}

#single aside.toc .toc-content ol li a:hover, #single aside.toc .toc-content ul li a:hover {
    color: var(--primary-color) !important;
    opacity: 1;
    text-shadow: 0 0 1px var(--primary-color);
}

/* Nested TOC items */
#single aside.toc .toc-content ol li ol, #single aside.toc .toc-content ul li ul {
    margin-top: 0.3em;
    padding-left: 1.2em;
}

#single aside.toc .toc-content ol li ol li a, #single aside.toc .toc-content ul li ul li a {
    font-size: 13px;
    opacity: 0.7;
}

/* Active TOC item (if you want to add active state later) */
#single aside.toc .toc-content ol li a.active, #single aside.toc .toc-content ul li a.active {
    color: var(--primary-color) !important;
    opacity: 1;
    font-weight: 600;
}

/* Social */

#single aside.social {
    padding: .7rem 1rem;
}

#single aside.social h5 {
    margin: .7em 0;
    margin-bottom: 1em;
    color: var(--text-color);
}

#single aside.social .social-content {
    margin-bottom: 1em;
    opacity: 0.9;
}

#single aside.social .social-content ul {
    margin-bottom: 1em;
    opacity: 0.9;
}

#single aside.social .social-content ul li a {
    border: 1px solid var(--primary-color);
    padding: .7rem;
    color: var(--text-link-color) !important;
    border-radius: 10px;
    overflow: hidden;
}

#single aside.social .social-content ul li {
    margin: .7rem .5rem;
    margin-left: 0;
}

#single aside.social .social-content ul li:hover a {
    opacity: .8;
    color: var(--text-link-color) !important;
}

/* Top scroll */

#single #topScroll {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    cursor: pointer;
    border-radius: 10px;
}

#single #topScroll:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transition: .5s;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
}

/* Singlepage scroll progress start */
.progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--background-color);
    z-index: 999;
}

.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--primary-color);
    transition: width .2s;
}

/* Singlepage scroll progress end */