:root, [data-theme=dark] {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-orange: #d29922;
  --accent-red: #f85149;
  --accent-purple: #bc8cff;
}

[data-theme=railscasts] {
  --bg-primary: #2b2b2b;
  --bg-secondary: #323232;
  --bg-tertiary: #3d3d3d;
  --border-color: #4d4d4d;
  --text-primary: #e6e1dc;
  --text-secondary: #bc9458;
  --text-muted: #7a7a7a;
  --accent-blue: #6d9cbe;
  --accent-green: #a5c261;
  --accent-orange: #cc7833;
  --accent-red: #da4939;
  --accent-purple: #b6b3eb;
}

[data-theme=light] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #eaeef2;
  --border-color: #d0d7de;
  --text-primary: #1f2328;
  --text-secondary: #636c76;
  --text-muted: #9198a1;
  --accent-blue: #0969da;
  --accent-green: #1a7f37;
  --accent-orange: #9a6700;
  --accent-red: #cf222e;
  --accent-purple: #8250df;
}

* {
  box-sizing: border-box;
}

body, h1, h2, h3, h4, h5, h6,
p, blockquote, pre, hr,
dl, dd, ol, ul, figure {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 15px;
}

h1, h2, h3, h4, h5, h6,
p, blockquote, pre,
ul, ol, dl, figure,
.highlight {
  margin-bottom: 15px;
}

main {
  display: block;
}

img {
  max-width: 100%;
  vertical-align: middle;
  border-radius: 6px;
}

figure > img {
  display: block;
}

figcaption {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 8px;
}

ul, ol {
  margin-left: 24px;
}

li > ul, li > ol {
  margin-bottom: 0;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:visited {
  color: var(--accent-blue);
}
a:hover {
  color: var(--accent-blue);
  text-decoration: underline;
  filter: brightness(1.2);
}

blockquote {
  border-left: 3px solid var(--accent-blue);
  padding: 12px 20px;
  background: var(--bg-secondary);
  border-radius: 0 6px 6px 0;
  color: var(--text-secondary);
  font-style: italic;
}
blockquote > :last-child {
  margin-bottom: 0;
}

pre, code {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.875em;
  border-radius: 6px;
}

code {
  background-color: var(--bg-tertiary);
  color: var(--accent-orange);
  padding: 2px 6px;
  border: 1px solid var(--border-color);
}

pre {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 16px;
  overflow-x: auto;
  line-height: 1.45;
}
pre > code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--text-primary);
  font-size: inherit;
}

.highlight pre {
  border: none;
  margin-bottom: 0;
  background: transparent;
}

hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 30px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 15px;
  font-size: 13px;
}
table th {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  text-align: left;
}
table td {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}
table tr:nth-child(even) td {
  background-color: var(--bg-secondary);
}

.wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 30px;
}
@media screen and (max-width: 800px) {
  .wrapper {
    padding: 0 15px;
  }
}

.wrapper:after {
  content: "";
  display: table;
  clear: both;
}

.svg-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  fill: var(--text-secondary);
  padding-right: 5px;
  vertical-align: text-top;
}

.social-media-list li + li {
  padding-top: 5px;
}

.site-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.site-identity {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-avatar {
  display: flex;
  flex-shrink: 0;
}
.nav-avatar img {
  display: block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  transition: border-color 0.15s ease;
}
.nav-avatar:hover img {
  border-color: var(--accent-blue);
}

.site-title {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.3px;
}
.site-title::before {
  content: "> ";
  color: var(--accent-green);
}
.site-title, .site-title:visited {
  color: var(--text-primary);
}
.site-title:hover {
  color: var(--accent-blue);
  text-decoration: none;
  filter: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav .nav-trigger {
  display: none;
}
.site-nav .menu-icon {
  display: none;
}
.site-nav .page-link {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 5px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.15s ease;
}
.site-nav .page-link:not(:last-child) {
  margin-right: 0;
}
.site-nav .page-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  text-decoration: none;
  filter: none;
}
@media screen and (max-width: 600px) {
  .site-nav {
    position: relative;
  }
  .site-nav label[for=nav-trigger] {
    display: block;
    cursor: pointer;
    z-index: 2;
  }
  .site-nav .menu-icon {
    display: block;
    width: 36px;
    height: 36px;
    line-height: 0;
    padding: 10px 0;
    text-align: center;
  }
  .site-nav .menu-icon > svg {
    fill: var(--text-secondary);
  }
  .site-nav input ~ .trigger {
    display: none;
  }
  .site-nav input:checked ~ .trigger {
    display: block;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    min-width: 160px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  }
  .site-nav .page-link {
    display: block;
    margin: 0;
    padding: 8px 12px;
  }
}

.theme-select {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.6875rem;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  outline: none;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.theme-select:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
  background-color: var(--bg-tertiary);
}
.theme-select option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.page-content {
  padding: 40px 0;
  flex: 1;
}

.page-heading {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.page-heading::before {
  content: "# ";
  color: var(--accent-green);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.filter-pill {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.6875rem;
  padding: 4px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  appearance: none;
  -webkit-appearance: none;
  line-height: 1.4;
}
.filter-pill:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
  background-color: var(--bg-tertiary);
}
.filter-pill.active {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}
.filter-pill.cat-kernel {
  color: #e3b341;
  border-color: rgba(227, 179, 65, 0.4);
  background-color: rgba(227, 179, 65, 0.08);
}
.filter-pill.cat-kernel:hover, .filter-pill.cat-kernel.active {
  background-color: rgba(227, 179, 65, 0.2);
  border-color: #e3b341;
}
.filter-pill.cat-security {
  color: #f85149;
  border-color: rgba(248, 81, 73, 0.4);
  background-color: rgba(248, 81, 73, 0.08);
}
.filter-pill.cat-security:hover, .filter-pill.cat-security.active {
  background-color: rgba(248, 81, 73, 0.2);
  border-color: #f85149;
}
.filter-pill.cat-hardware {
  color: #79c0ff;
  border-color: rgba(121, 192, 255, 0.4);
  background-color: rgba(121, 192, 255, 0.08);
}
.filter-pill.cat-hardware:hover, .filter-pill.cat-hardware.active {
  background-color: rgba(121, 192, 255, 0.2);
  border-color: #79c0ff;
}
.filter-pill.cat-filesystems {
  color: #3fb950;
  border-color: rgba(63, 185, 80, 0.4);
  background-color: rgba(63, 185, 80, 0.08);
}
.filter-pill.cat-filesystems:hover, .filter-pill.cat-filesystems.active {
  background-color: rgba(63, 185, 80, 0.2);
  border-color: #3fb950;
}
.filter-pill.cat-networking {
  color: #bc8cff;
  border-color: rgba(188, 140, 255, 0.4);
  background-color: rgba(188, 140, 255, 0.08);
}
.filter-pill.cat-networking:hover, .filter-pill.cat-networking.active {
  background-color: rgba(188, 140, 255, 0.2);
  border-color: #bc8cff;
}
.filter-pill.cat-virtualization {
  color: #2dd4bf;
  border-color: rgba(45, 212, 191, 0.4);
  background-color: rgba(45, 212, 191, 0.08);
}
.filter-pill.cat-virtualization:hover, .filter-pill.cat-virtualization.active {
  background-color: rgba(45, 212, 191, 0.2);
  border-color: #2dd4bf;
}
.filter-pill.cat-ml {
  color: #f472b6;
  border-color: rgba(244, 114, 182, 0.4);
  background-color: rgba(244, 114, 182, 0.08);
}
.filter-pill.cat-ml:hover, .filter-pill.cat-ml.active {
  background-color: rgba(244, 114, 182, 0.2);
  border-color: #f472b6;
}
.filter-pill.cat-talks {
  color: #8b949e;
  border-color: rgba(139, 148, 158, 0.4);
  background-color: rgba(139, 148, 158, 0.08);
}
.filter-pill.cat-talks:hover, .filter-pill.cat-talks.active {
  background-color: rgba(139, 148, 158, 0.2);
  border-color: #8b949e;
}

.post-list-heading {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.post-list {
  margin-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.post-list > li {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px 24px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.post-list > li:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.15);
}

.post-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.post-identicon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--bg-tertiary);
  margin-top: 2px;
}
.post-identicon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.post-card-body {
  flex: 1;
  min-width: 0;
}

.post-meta {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.post-category {
  background-color: rgba(88, 166, 255, 0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(88, 166, 255, 0.25);
  border-radius: 20px;
  padding: 1px 10px;
  font-size: 11px;
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
}
.post-category.cat-kernel {
  color: #e3b341;
  background-color: rgba(227, 179, 65, 0.1);
  border-color: rgba(227, 179, 65, 0.3);
}
.post-category.cat-security {
  color: #f85149;
  background-color: rgba(248, 81, 73, 0.1);
  border-color: rgba(248, 81, 73, 0.3);
}
.post-category.cat-hardware {
  color: #79c0ff;
  background-color: rgba(121, 192, 255, 0.1);
  border-color: rgba(121, 192, 255, 0.3);
}
.post-category.cat-filesystems {
  color: #3fb950;
  background-color: rgba(63, 185, 80, 0.1);
  border-color: rgba(63, 185, 80, 0.3);
}
.post-category.cat-networking {
  color: #bc8cff;
  background-color: rgba(188, 140, 255, 0.1);
  border-color: rgba(188, 140, 255, 0.3);
}
.post-category.cat-virtualization {
  color: #2dd4bf;
  background-color: rgba(45, 212, 191, 0.1);
  border-color: rgba(45, 212, 191, 0.3);
}
.post-category.cat-ml {
  color: #f472b6;
  background-color: rgba(244, 114, 182, 0.1);
  border-color: rgba(244, 114, 182, 0.3);
}
.post-category.cat-talks {
  color: #8b949e;
  background-color: rgba(139, 148, 158, 0.1);
  border-color: rgba(139, 148, 158, 0.3);
}

.post-link {
  display: block;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  text-decoration: none;
  line-height: 1.4;
}
.post-link:visited {
  color: var(--text-primary);
}
.post-link:hover {
  color: var(--accent-blue);
  text-decoration: none;
  filter: none;
}

.post-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 8px;
  margin-bottom: 0;
}

.rss-subscribe {
  margin-top: 24px;
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 13px;
  color: var(--text-muted);
}
.rss-subscribe a {
  color: var(--accent-orange);
}

.post-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.post-title {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
@media screen and (max-width: 800px) {
  .post-title {
    font-size: 1.5rem;
  }
}

.post-content {
  margin-bottom: 30px;
}
.post-content img {
  background-color: #e8ecf0;
  padding: 16px;
  border-radius: 8px;
  display: block;
  margin: 24px auto;
  max-width: 100%;
}
.post-content h2, .post-content h3, .post-content h4 {
  margin-top: 28px;
  margin-bottom: 12px;
}
.post-content h2 {
  font-size: 1.375rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}
.post-content h3 {
  font-size: 1.125rem;
}
.post-content h4 {
  font-size: 1rem;
  color: var(--text-secondary);
}
@media screen and (max-width: 800px) {
  .post-content h2 {
    font-size: 1.25rem;
  }
  .post-content h3 {
    font-size: 1.0625rem;
  }
}

.pdf-embed {
  margin: 24px 0;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--bg-secondary);
}
.pdf-embed iframe {
  display: block;
  width: 100%;
  height: 680px;
  border: none;
  transition: height 0.2s ease;
}
.pdf-embed.size-compact iframe {
  height: 400px;
}
.pdf-embed.size-readable iframe {
  height: 680px;
}
.pdf-embed.size-full iframe {
  height: 90vh;
  min-height: 500px;
}
@media screen and (max-width: 600px) {
  .pdf-embed iframe {
    height: 380px;
  }
  .pdf-embed.size-readable iframe {
    height: 500px;
  }
  .pdf-embed.size-full iframe {
    height: 85vh;
  }
}

.pdf-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.pdf-download {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.75rem;
  color: var(--accent-blue);
  text-decoration: none;
}
.pdf-download:hover {
  text-decoration: underline;
  filter: none;
}

.pdf-sizes {
  display: flex;
  gap: 4px;
}

.pdf-size-btn {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.6875rem;
  padding: 3px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: all 0.15s ease;
  line-height: 1.4;
}
.pdf-size-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
  background-color: var(--bg-primary);
}
.pdf-size-btn.active {
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border-color: var(--text-secondary);
}

.video-embed {
  margin: 24px 0;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}
.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
}
.site-footer .footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer .footer-left {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 13px;
  color: var(--text-muted);
}
.site-footer .footer-left a {
  color: var(--text-secondary);
}
.site-footer .footer-left a:hover {
  color: var(--accent-blue);
  text-decoration: none;
  filter: none;
}
.site-footer .footer-right {
  display: flex;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer .footer-right a {
  color: var(--text-secondary);
  font-size: 13px;
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
}
.site-footer .footer-right a:hover {
  color: var(--accent-blue);
  text-decoration: none;
  filter: none;
}
@media screen and (max-width: 600px) {
  .site-footer .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

.manpage {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 80ch;
  margin: 0 auto;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px 28px;
  overflow: hidden;
}

.man-avatar {
  float: right;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  margin: 0 0 16px 20px;
  display: block;
}
@media screen and (max-width: 600px) {
  .man-avatar {
    width: 64px;
    height: 64px;
  }
}

.man-bar {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.8125rem;
}
.man-bar.man-bar-top {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 20px;
}
.man-bar.man-bar-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  margin-top: 20px;
}

.man-section {
  margin-top: 20px;
}
.man-section h2 {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-green);
  text-transform: uppercase;
  border: none;
  padding: 0;
  margin: 0 0 6px 0;
  letter-spacing: 0;
}

.man-body {
  padding-left: 3.5em;
}
.man-body p {
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.man-synopsis {
  color: var(--text-primary) !important;
}

.man-flag {
  color: var(--accent-blue);
}

.man-indent {
  padding-left: 3.5em;
  color: var(--text-muted) !important;
  font-style: italic;
}

.man-links {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 3.5em;
}
.man-links li {
  margin-bottom: 4px;
}
.man-links a {
  color: var(--accent-blue);
  text-decoration: none;
}
.man-links a:hover {
  text-decoration: underline;
  filter: none;
}

@media screen and (max-width: 600px) {
  .manpage {
    padding: 16px;
  }
  .man-body, .man-links {
    padding-left: 1.5em;
  }
  .man-indent {
    padding-left: 1.5em;
  }
  .man-bar span:nth-child(2) {
    display: none;
  }
}
div.highlight {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.625rem;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  appearance: none;
  -webkit-appearance: none;
  line-height: 1.4;
  z-index: 1;
}
.copy-btn.copied {
  color: var(--accent-green);
  border-color: var(--accent-green);
}

div.highlight:hover .copy-btn {
  opacity: 1;
}

.heading-anchor {
  margin-left: 8px;
  opacity: 0;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.8em;
  text-decoration: none;
  transition: opacity 0.15s ease;
  user-select: none;
}
.heading-anchor:hover {
  color: var(--accent-blue);
  text-decoration: none;
  filter: none;
}

.post-content h2:hover .heading-anchor, .post-content h3:hover .heading-anchor, .post-content h4:hover .heading-anchor {
  opacity: 1;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  gap: 16px;
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  max-width: 46%;
  transition: color 0.15s ease;
}
.post-nav-link.post-nav-next {
  align-items: flex-end;
  margin-left: auto;
}
.post-nav-link.post-nav-prev {
  align-items: flex-start;
}
.post-nav-link.post-nav-empty {
  flex: 1;
  pointer-events: none;
}
.post-nav-link:hover .post-nav-title {
  color: var(--accent-blue);
}

.post-nav-label {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.post-nav-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  transition: color 0.15s ease;
}

.post-list > li.vim-focused {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.15);
  outline: none;
}

.vim-help {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.vim-help-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px 24px;
  min-width: 260px;
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.vim-help-title {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.vim-help-close {
  cursor: pointer;
  color: var(--text-muted);
  font-style: normal;
}
.vim-help-close:hover {
  color: var(--text-primary);
}

.vim-help-table {
  border: none;
  width: auto;
  margin: 0;
  font-size: 0.8125rem;
}
.vim-help-table td {
  border: none;
  padding: 3px 20px 3px 0;
  color: var(--text-secondary);
  background: transparent;
}
.vim-help-table td:first-child {
  white-space: nowrap;
}
.vim-help-table tr:nth-child(even) td {
  background: transparent;
}

kbd {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 0.6875rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 1px 6px;
  color: var(--text-primary);
}

.read-time {
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, monospace;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

/**
 * Syntax highlighting
 * Default: GitHub Dark
 * Overrides: [data-theme="railscasts"], [data-theme="light"]
 */
.highlight {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}
.highlighter-rouge .highlight {
  background: var(--bg-secondary);
}

.highlight .hll {
  background-color: #2d333b;
}
.highlight .c {
  color: #8b949e;
  font-style: italic;
}
.highlight .err {
  color: #f85149;
}
.highlight .k {
  color: #ff7b72;
}
.highlight .l {
  color: #a5d6ff;
}
.highlight .n {
  color: #e6edf3;
}
.highlight .o {
  color: #ff7b72;
}
.highlight .p {
  color: #e6edf3;
}
.highlight .cm {
  color: #8b949e;
  font-style: italic;
}
.highlight .cp {
  color: #8b949e;
}
.highlight .c1 {
  color: #8b949e;
  font-style: italic;
}
.highlight .cs {
  color: #8b949e;
  font-style: italic;
}
.highlight .gd {
  color: #ffa198;
  background-color: #67060c;
}
.highlight .ge {
  font-style: italic;
}
.highlight .gh {
  color: #e6edf3;
  font-weight: bold;
}
.highlight .gi {
  color: #56d364;
  background-color: #0f5323;
}
.highlight .gp {
  color: #8b949e;
}
.highlight .gs {
  font-weight: bold;
}
.highlight .gu {
  color: #8b949e;
}
.highlight .kc {
  color: #79c0ff;
}
.highlight .kd {
  color: #ff7b72;
}
.highlight .kn {
  color: #ff7b72;
}
.highlight .kp {
  color: #79c0ff;
}
.highlight .kr {
  color: #ff7b72;
}
.highlight .kt {
  color: #79c0ff;
}
.highlight .m {
  color: #79c0ff;
}
.highlight .s {
  color: #a5d6ff;
}
.highlight .na {
  color: #79c0ff;
}
.highlight .nb {
  color: #e6edf3;
}
.highlight .nc {
  color: #f0883e;
}
.highlight .no {
  color: #79c0ff;
}
.highlight .nd {
  color: #d2a8ff;
}
.highlight .ni {
  color: #e6edf3;
}
.highlight .ne {
  color: #f0883e;
}
.highlight .nf {
  color: #d2a8ff;
}
.highlight .nl {
  color: #79c0ff;
}
.highlight .nn {
  color: #e6edf3;
}
.highlight .nt {
  color: #7ee787;
}
.highlight .nv {
  color: #79c0ff;
}
.highlight .ow {
  color: #ff7b72;
}
.highlight .w {
  color: #6e7681;
}
.highlight .mf {
  color: #79c0ff;
}
.highlight .mh {
  color: #79c0ff;
}
.highlight .mi {
  color: #79c0ff;
}
.highlight .mo {
  color: #79c0ff;
}
.highlight .sb {
  color: #a5d6ff;
}
.highlight .sc {
  color: #a5d6ff;
}
.highlight .sd {
  color: #a5d6ff;
}
.highlight .s2 {
  color: #a5d6ff;
}
.highlight .se {
  color: #79c0ff;
}
.highlight .sh {
  color: #a5d6ff;
}
.highlight .si {
  color: #a5d6ff;
}
.highlight .sx {
  color: #a5d6ff;
}
.highlight .sr {
  color: #79c0ff;
}
.highlight .s1 {
  color: #a5d6ff;
}
.highlight .ss {
  color: #a5d6ff;
}
.highlight .bp {
  color: #e6edf3;
}
.highlight .vc {
  color: #79c0ff;
}
.highlight .vg {
  color: #79c0ff;
}
.highlight .vi {
  color: #79c0ff;
}
.highlight .il {
  color: #79c0ff;
}

[data-theme=railscasts] .highlight .c, [data-theme=railscasts] .highlight .cm, [data-theme=railscasts] .highlight .c1, [data-theme=railscasts] .highlight .cs {
  color: #bc9458;
  font-style: italic;
}
[data-theme=railscasts] .highlight .cp {
  color: #bc9458;
}
[data-theme=railscasts] .highlight .err {
  color: #da4939;
}
[data-theme=railscasts] .highlight .k, [data-theme=railscasts] .highlight .kd, [data-theme=railscasts] .highlight .kn, [data-theme=railscasts] .highlight .kr, [data-theme=railscasts] .highlight .o, [data-theme=railscasts] .highlight .ow {
  color: #cc7833;
}
[data-theme=railscasts] .highlight .kc, [data-theme=railscasts] .highlight .kp {
  color: #6d9cbe;
}
[data-theme=railscasts] .highlight .kt {
  color: #da4939;
}
[data-theme=railscasts] .highlight .n, [data-theme=railscasts] .highlight .nb, [data-theme=railscasts] .highlight .ni, [data-theme=railscasts] .highlight .nn, [data-theme=railscasts] .highlight .bp {
  color: #e6e1dc;
}
[data-theme=railscasts] .highlight .na, [data-theme=railscasts] .highlight .no, [data-theme=railscasts] .highlight .nv, [data-theme=railscasts] .highlight .vc, [data-theme=railscasts] .highlight .vg, [data-theme=railscasts] .highlight .vi {
  color: #6d9cbe;
}
[data-theme=railscasts] .highlight .nc, [data-theme=railscasts] .highlight .ne {
  color: #ffc66d;
}
[data-theme=railscasts] .highlight .nf {
  color: #ffc66d;
}
[data-theme=railscasts] .highlight .nd {
  color: #a5c261;
}
[data-theme=railscasts] .highlight .nt {
  color: #e8bf6a;
}
[data-theme=railscasts] .highlight .nl {
  color: #6d9cbe;
}
[data-theme=railscasts] .highlight .m, [data-theme=railscasts] .highlight .mf, [data-theme=railscasts] .highlight .mh, [data-theme=railscasts] .highlight .mi, [data-theme=railscasts] .highlight .mo, [data-theme=railscasts] .highlight .il {
  color: #a5c261;
}
[data-theme=railscasts] .highlight .s, [data-theme=railscasts] .highlight .s1, [data-theme=railscasts] .highlight .s2, [data-theme=railscasts] .highlight .sb, [data-theme=railscasts] .highlight .sc, [data-theme=railscasts] .highlight .sd, [data-theme=railscasts] .highlight .se, [data-theme=railscasts] .highlight .sh, [data-theme=railscasts] .highlight .si, [data-theme=railscasts] .highlight .sx, [data-theme=railscasts] .highlight .ss, [data-theme=railscasts] .highlight .sr {
  color: #a5c261;
}
[data-theme=railscasts] .highlight .p {
  color: #e6e1dc;
}
[data-theme=railscasts] .highlight .l {
  color: #a5c261;
}
[data-theme=railscasts] .highlight .ge {
  font-style: italic;
}
[data-theme=railscasts] .highlight .gs {
  font-weight: bold;
}
[data-theme=railscasts] .highlight .gh {
  color: #e6e1dc;
  font-weight: bold;
}
[data-theme=railscasts] .highlight .gp {
  color: #bc9458;
}
[data-theme=railscasts] .highlight .gu {
  color: #bc9458;
}
[data-theme=railscasts] .highlight .gd {
  color: #da4939;
  background-color: rgba(218, 73, 57, 0.15);
}
[data-theme=railscasts] .highlight .gi {
  color: #a5c261;
  background-color: rgba(165, 194, 97, 0.15);
}
[data-theme=railscasts] .highlight .w {
  color: #7a7a7a;
}
[data-theme=railscasts] .highlight .hll {
  background-color: #3d3d3d;
}

[data-theme=light] .highlight .c, [data-theme=light] .highlight .cm, [data-theme=light] .highlight .c1, [data-theme=light] .highlight .cs {
  color: #6e7781;
  font-style: italic;
}
[data-theme=light] .highlight .cp {
  color: #6e7781;
}
[data-theme=light] .highlight .err {
  color: #cf222e;
}
[data-theme=light] .highlight .k, [data-theme=light] .highlight .kd, [data-theme=light] .highlight .kn, [data-theme=light] .highlight .kr, [data-theme=light] .highlight .ow {
  color: #cf222e;
}
[data-theme=light] .highlight .kc, [data-theme=light] .highlight .kp {
  color: #0550ae;
}
[data-theme=light] .highlight .kt {
  color: #953800;
}
[data-theme=light] .highlight .o {
  color: #cf222e;
}
[data-theme=light] .highlight .n, [data-theme=light] .highlight .nb, [data-theme=light] .highlight .ni, [data-theme=light] .highlight .nn, [data-theme=light] .highlight .bp, [data-theme=light] .highlight .p {
  color: #1f2328;
}
[data-theme=light] .highlight .na, [data-theme=light] .highlight .no, [data-theme=light] .highlight .nv, [data-theme=light] .highlight .vc, [data-theme=light] .highlight .vg, [data-theme=light] .highlight .vi {
  color: #0550ae;
}
[data-theme=light] .highlight .nc, [data-theme=light] .highlight .ne {
  color: #953800;
}
[data-theme=light] .highlight .nf, [data-theme=light] .highlight .nd {
  color: #8250df;
}
[data-theme=light] .highlight .nt {
  color: #116329;
}
[data-theme=light] .highlight .nl {
  color: #0550ae;
}
[data-theme=light] .highlight .m, [data-theme=light] .highlight .mf, [data-theme=light] .highlight .mh, [data-theme=light] .highlight .mi, [data-theme=light] .highlight .mo, [data-theme=light] .highlight .il {
  color: #0550ae;
}
[data-theme=light] .highlight .s, [data-theme=light] .highlight .s1, [data-theme=light] .highlight .s2, [data-theme=light] .highlight .sb, [data-theme=light] .highlight .sc, [data-theme=light] .highlight .sd, [data-theme=light] .highlight .sh, [data-theme=light] .highlight .si, [data-theme=light] .highlight .sx, [data-theme=light] .highlight .ss {
  color: #0a3069;
}
[data-theme=light] .highlight .se, [data-theme=light] .highlight .sr {
  color: #0550ae;
}
[data-theme=light] .highlight .l {
  color: #0550ae;
}
[data-theme=light] .highlight .ge {
  font-style: italic;
}
[data-theme=light] .highlight .gs {
  font-weight: bold;
}
[data-theme=light] .highlight .gh {
  color: #1f2328;
  font-weight: bold;
}
[data-theme=light] .highlight .gp {
  color: #6e7781;
}
[data-theme=light] .highlight .gu {
  color: #6e7781;
}
[data-theme=light] .highlight .gd {
  color: #82071e;
  background-color: #ffebe9;
}
[data-theme=light] .highlight .gi {
  color: #116329;
  background-color: #dafbe1;
}
[data-theme=light] .highlight .w {
  color: #9198a1;
}
[data-theme=light] .highlight .hll {
  background-color: #eaeef2;
}

/*# sourceMappingURL=main.css.map */