:root {
  --bg: #fafafa;
  --text: #1a1a1a;
  --muted: #666666;
  --line: #e9e9e9;
  --accent: #0f3d91;
  --max-width: 760px;

  --syntax-comment: #6c7a89;
  --syntax-keyword: #1f4894;
  --syntax-string:  #2e6b3f;
  --syntax-number:  #8a4d00;
  --syntax-name:    #1a1a1a;
  --syntax-tag:     #a83247;
  --syntax-attr:    #654ba8;
  --syntax-operator:#444444;
  --syntax-error:   #c1282b;
  --syntax-diff-add: #1f7a3a;
  --syntax-diff-del: #b53531;
}

[data-theme="dark"] {
  --bg: #1b1d22;
  --text: #eceff4;
  --muted: #b3bac6;
  --line: #343944;
  --accent: #9abfff;

  --syntax-comment: #8a98a8;
  --syntax-keyword: #b0c8ff;
  --syntax-string:  #9bd6a8;
  --syntax-number:  #ffb074;
  --syntax-name:    #eceff4;
  --syntax-tag:     #ff9b85;
  --syntax-attr:    #d4a8ff;
  --syntax-operator:#c1c9d6;
  --syntax-error:   #ff8a8a;
  --syntax-diff-add: #79d397;
  --syntax-diff-del: #ff8a8a;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1b1d22;
    --text: #eceff4;
    --muted: #b3bac6;
    --line: #343944;
    --accent: #9abfff;

    --syntax-comment: #8a98a8;
    --syntax-keyword: #b0c8ff;
    --syntax-string:  #9bd6a8;
    --syntax-number:  #ffb074;
    --syntax-name:    #eceff4;
    --syntax-tag:     #ff9b85;
    --syntax-attr:    #d4a8ff;
    --syntax-operator:#c1c9d6;
    --syntax-error:   #ff8a8a;
    --syntax-diff-add: #79d397;
    --syntax-diff-del: #ff8a8a;
  }
}

* {
  box-sizing: border-box;
}

html {
  scrollbar-gutter: stable;
  color-scheme: light dark;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
}

html,
body,
a,
.nav a,
.brand,
.project-item,
.reader-toggle,
.post-body blockquote,
.post-body pre,
.post-body .highlight pre,
.post-body code,
.post-body th,
.post-body td {
  transition:
    background-color 100ms ease,
    color 100ms ease,
    border-color 100ms ease;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
.content a,
.site-footer a {
  text-decoration: underline;
}

.brand,
.nav a {
  text-decoration: none;
}

.nav a:hover,
.brand:hover {
  color: var(--text);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

.reader-toggle:focus-visible,
.image-lightbox-close:focus-visible {
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0.5rem;
  padding: 0.55rem 0.95rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-150%);
  z-index: 1300;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  text-decoration: none;
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.2rem;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  min-height: 64px;
  row-gap: 0.55rem;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

.brand {
  justify-self: start;
  font-weight: 650;
  color: var(--text);
}

.nav {
  display: flex;
  justify-self: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.header-tools {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 0.45rem;
  flex-wrap: wrap;
}

html.no-js .header-tools {
  display: none !important;
}

.reader-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.24rem 0.7rem;
  font-size: 0.82rem;
  line-height: 1.2;
  cursor: pointer;
}

.reader-toggle:hover {
  color: var(--text);
}

.reader-toggle[aria-pressed="true"] {
  color: var(--text);
  border-color: color-mix(in srgb, var(--line) 45%, var(--accent) 55%);
  background: color-mix(in srgb, var(--bg) 88%, var(--accent) 12%);
}

/* Theme switch (moon / sun). The knob lives on .theme-switch__slider::before
   (a real span), not on the <input>, so it renders in every browser
   (input::before does not render in Firefox). Size is controlled by the
   --ts-* variables below. Unchecked = dark theme (moon), checked = light. */
.header-tools .theme-switch {
  --ts-w: 52px;
  --ts-h: 26px;
  --ts-pad: 3px;
  --ts-knob: 20px;
  --ts-travel: 26px;
  --ts-dark: #28292c;
  --ts-light: #d8dbe0;
  position: relative;
  display: inline-block;
  width: var(--ts-w);
  height: var(--ts-h);
  flex-shrink: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.header-tools .theme-switch__input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  margin: 0;
}

.header-tools .theme-switch__slider {
  position: absolute;
  inset: 0;
  border-radius: 50px;
  background-color: var(--ts-dark);
  transition: background-color 0.3s ease;
}

.header-tools .theme-switch__slider::before {
  content: "";
  position: absolute;
  top: var(--ts-pad);
  left: var(--ts-pad);
  width: var(--ts-knob);
  height: var(--ts-knob);
  border-radius: 50%;
  background-color: var(--ts-dark);
  box-shadow: inset 7px -2px 0 0 var(--ts-light);
  transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.header-tools .theme-switch__input:checked ~ .theme-switch__slider {
  background-color: var(--ts-light);
}

.header-tools .theme-switch__input:checked ~ .theme-switch__slider::before {
  transform: translateX(var(--ts-travel));
  background-color: var(--ts-dark);
  box-shadow: none;
}

.header-tools .theme-switch__input:focus-visible ~ .theme-switch__slider {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.content {
  flex: 1;
  padding-top: 2rem;
  padding-bottom: 2.5rem;
}

.post-with-toc-wrapper {
  width: 100%;
}

@media (min-width: 1280px) {
  /* Keep main column width constant so toggling Reader does not shift the page. */
  .content.content--post-wide {
    max-width: min(1180px, 100%);
  }

  /*
   * The TOC column is always reserved; only its contents are hidden in
   * Reader mode. This keeps the article at the same horizontal position.
   */
  .post-with-toc-wrapper {
    display: grid;
    align-items: start;
    width: 100%;
    grid-template-columns: 11.25rem minmax(0, 760px);
    column-gap: 2.25rem;
    row-gap: 2rem;
    justify-content: start;
  }

  .post-with-toc-wrapper > .post-toc {
    grid-column: 1;
    grid-row: 1;
  }

  .post-with-toc-wrapper > .post {
    grid-column: 2;
    grid-row: 1;
  }

  html.no-js .content.content--post-wide {
    max-width: var(--max-width);
  }

  html.no-js .post-with-toc-wrapper {
    display: block;
  }
}

.post-toc {
  position: sticky;
  top: 1rem;
  align-self: start;
  min-width: 0;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.post-toc[hidden] {
  display: none !important;
}

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

.post-toc-item {
  margin: 0 0 0.38rem;
}

.post-toc-level-3 {
  padding-left: 0.55rem;
}

.post-toc-level-4 {
  padding-left: 1.05rem;
}

.post-toc a {
  display: block;
  font-size: 0.81rem;
  line-height: 1.38;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding: 0.12rem 0 0.12rem 0.42rem;
}

.post-toc a:hover {
  color: var(--text);
  text-decoration: none;
}

.post-toc a.is-active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

h1,
h2,
h3,
h4 {
  line-height: 1.25;
  margin-top: 1.4em;
  margin-bottom: 0.6em;
}

h1 {
  margin-top: 0;
}

p,
ul {
  margin-top: 0;
  margin-bottom: 1rem;
}

.post-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.post-body .tldr {
  margin: 0 0 1.5rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 88%, var(--accent) 12%);
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.55;
}

.post-body .tldr::before {
  content: "TL;DR";
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.post-body .tldr > :first-child {
  margin-top: 0;
}

.post-body .tldr > :last-child {
  margin-bottom: 0;
}

.source-figure-grid {
  display: grid;
  gap: 1rem;
  margin: 1rem 0 1.35rem;
}

@media (min-width: 860px) {
  .source-figure-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
}

.source-figure-grid figure {
  margin: 0;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg) 94%, var(--accent) 6%);
}

.source-figure-grid img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
}

.post-body img,
.post-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.25rem auto;
  border-radius: 6px;
}

.post-body figure {
  margin: 1.25rem 0;
}

.post-body figure img {
  margin: 0 auto;
}

/* Keep tall phone captures readable inline without stretching them to the
   article width. The full-resolution source remains available in the lightbox. */
.post-body .post-figure--phone img {
  width: min(100%, 20rem);
}

.post-body img.is-zoomable {
  cursor: zoom-in;
}

.post-body figcaption {
  margin-top: 0.45rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.post-body blockquote {
  margin: 1rem 0;
  padding: 0.2rem 0 0.2rem 0.9rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
}

.post-body pre,
.post-body .highlight pre {
  position: relative;
  background: color-mix(in srgb, var(--bg) 88%, var(--text) 12%);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2.85rem 1rem 1rem;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.5;
}

.post-body pre::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2.2rem;
  background: color-mix(in srgb, var(--bg) 78%, var(--text) 22%);
  border-bottom: 1px solid var(--line);
  pointer-events: none;
  z-index: 0;
}

.post-body .highlighter-rouge {
  position: relative;
}

.post-body .highlighter-rouge::before {
  position: absolute;
  top: 0.62rem;
  left: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: lowercase;
  pointer-events: none;
  z-index: 2;
}

.code-copy-btn {
  position: absolute;
  top: 0.52rem;
  right: 0.55rem;
  font: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--muted);
  background: color-mix(in srgb, var(--bg) 70%, var(--text) 30%);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 120ms ease, color 120ms ease, border-color 120ms ease, background-color 120ms ease;
  z-index: 3;
}

.post-body pre:hover .code-copy-btn,
.post-body pre:focus-within .code-copy-btn,
.code-copy-btn:focus-visible {
  opacity: 1;
}

.code-copy-btn:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--line) 40%, var(--accent) 60%);
}

.code-copy-btn.is-copied {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--line) 30%, var(--accent) 70%);
  opacity: 1;
}

.post-body .language-bash.highlighter-rouge::before { content: "bash"; }
.post-body .language-sh.highlighter-rouge::before { content: "sh"; }
.post-body .language-md.highlighter-rouge::before { content: "markdown"; }
.post-body .language-yaml.highlighter-rouge::before { content: "yaml"; }
.post-body .language-yml.highlighter-rouge::before { content: "yaml"; }
.post-body .language-json.highlighter-rouge::before { content: "json"; }
.post-body .language-html.highlighter-rouge::before { content: "html"; }
.post-body .language-css.highlighter-rouge::before { content: "css"; }
.post-body .language-javascript.highlighter-rouge::before { content: "javascript"; }
.post-body .language-js.highlighter-rouge::before { content: "javascript"; }
.post-body .language-python.highlighter-rouge::before { content: "python"; }
.post-body .language-c.highlighter-rouge::before { content: "c"; }

.post-body code {
  background: color-mix(in srgb, var(--bg) 86%, var(--text) 14%);
  border-radius: 4px;
  padding: 0.08rem 0.3rem;
  font-size: 0.88em;
}

.post-body pre code,
.post-body .highlight pre code {
  background: transparent;
  padding: 0;
}

/* Minimal Rouge syntax highlighting (matches both light and dark themes). */
.post-body .highlight .c,
.post-body .highlight .c1,
.post-body .highlight .cm,
.post-body .highlight .cp,
.post-body .highlight .cs,
.post-body .highlight .cd,
.post-body .highlight .ch { color: var(--syntax-comment); font-style: italic; }

.post-body .highlight .k,
.post-body .highlight .kc,
.post-body .highlight .kd,
.post-body .highlight .kn,
.post-body .highlight .kp,
.post-body .highlight .kr,
.post-body .highlight .kt { color: var(--syntax-keyword); }

.post-body .highlight .s,
.post-body .highlight .s1,
.post-body .highlight .s2,
.post-body .highlight .sb,
.post-body .highlight .sc,
.post-body .highlight .sd,
.post-body .highlight .se,
.post-body .highlight .sh,
.post-body .highlight .si,
.post-body .highlight .sx,
.post-body .highlight .sr,
.post-body .highlight .ss,
.post-body .highlight .dl { color: var(--syntax-string); }

.post-body .highlight .m,
.post-body .highlight .mf,
.post-body .highlight .mh,
.post-body .highlight .mi,
.post-body .highlight .mo,
.post-body .highlight .il,
.post-body .highlight .mb,
.post-body .highlight .mx { color: var(--syntax-number); }

.post-body .highlight .n,
.post-body .highlight .nl,
.post-body .highlight .nn,
.post-body .highlight .py,
.post-body .highlight .nx { color: var(--syntax-name); }

.post-body .highlight .nb,
.post-body .highlight .bp { color: var(--syntax-keyword); }

.post-body .highlight .nf,
.post-body .highlight .nc,
.post-body .highlight .nd,
.post-body .highlight .no { color: var(--syntax-attr); }

.post-body .highlight .nt { color: var(--syntax-tag); }
.post-body .highlight .na { color: var(--syntax-attr); }

.post-body .highlight .o,
.post-body .highlight .ow,
.post-body .highlight .p { color: var(--syntax-operator); }

.post-body .highlight .err,
.post-body .highlight .gr { color: var(--syntax-error); }

.post-body .highlight .gd { color: var(--syntax-diff-del); background: color-mix(in srgb, var(--syntax-diff-del) 14%, transparent); }
.post-body .highlight .gi { color: var(--syntax-diff-add); background: color-mix(in srgb, var(--syntax-diff-add) 14%, transparent); }
.post-body .highlight .gh,
.post-body .highlight .gu { color: var(--syntax-keyword); font-weight: 600; }
.post-body .highlight .ge { font-style: italic; }
.post-body .highlight .gs { font-weight: 600; }

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.2rem;
  font-size: 0.94rem;
}

.post-body th,
.post-body td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.post-body th {
  background: color-mix(in srgb, var(--bg) 90%, var(--text) 10%);
  font-weight: 600;
}

.post-body sup {
  font-size: 0.72em;
  line-height: 0;
  vertical-align: super;
}

.post-body a.footnote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  margin-left: 0.12rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 90%, var(--text) 10%);
  color: var(--muted);
  font-size: 0.88em;
  font-weight: 600;
  text-decoration: none;
}

.post-body a.footnote:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--line) 55%, var(--accent) 45%);
  text-decoration: none;
}

.post-body a.footnote.is-active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--line) 40%, var(--accent) 60%);
  background: color-mix(in srgb, var(--bg) 82%, var(--accent) 18%);
}

.post-body .footnotes {
  margin-top: 2.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.post-body .footnotes::before {
  content: "Footnotes";
  display: block;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.post-body .footnotes ol {
  margin: 0;
  padding-left: 1.4rem;
}

.post-body .footnotes li {
  margin-bottom: 0.75rem;
  color: var(--muted);
}

.post-body .footnotes li:last-child {
  margin-bottom: 0;
}

.post-body .footnotes p {
  display: inline;
  margin: 0;
}

.post-body .footnotes a {
  word-break: break-word;
}

.post-body a.reversefootnote {
  margin-left: 0.3rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9em;
}

.post-body a.reversefootnote:hover {
  color: var(--text);
}

.post-body {
  position: relative;
}

.post-body .sidenote-layer {
  display: none;
}

@media (min-width: 1200px) {
  .post-body.has-sidenotes .footnotes {
    display: none;
  }

  .post-body.has-sidenotes .sidenote-layer {
    position: absolute;
    top: 0;
    left: calc(100% + 2rem);
    width: 15.5rem;
    display: block;
  }

  .post-body .sidenote {
    position: absolute;
    left: 0;
    margin: 0;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg) 90%, var(--text) 10%);
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.45;
    text-wrap: pretty;
  }

  .post-body .sidenote p {
    margin: 0;
  }

  .post-body .sidenote .reversefootnote {
    display: inline;
  }

  .post-body .sidenote.is-highlighted {
    border-color: color-mix(in srgb, var(--line) 40%, var(--accent) 60%);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent);
    background: color-mix(in srgb, var(--bg) 82%, var(--accent) 18%);
    color: var(--text);
  }
}

.video-embed {
  position: relative;
  width: 100%;
  max-width: 760px;
  margin: 1.2rem auto;
  padding-top: 56.25%;
  background: color-mix(in srgb, var(--bg) 90%, var(--text) 10%);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 8px;
}

.video-caption {
  margin-top: 0.45rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.not-found {
  text-align: center;
  padding: 3rem 0 2rem;
}

.not-found h1 {
  margin: 0 0 0.6rem;
  font-size: 1.6rem;
}

.not-found p {
  color: var(--muted);
  margin: 0 0 0.65rem;
}

.not-found-eyebrow {
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  opacity: 0.45;
  line-height: 1;
  margin: 0 0 0.4rem;
}

.not-found-actions {
  margin-top: 1.4rem;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 0.85rem;
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.post-nav-link {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1 1 0;
  max-width: 48%;
  padding: 0.7rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.post-nav-link:hover {
  border-color: color-mix(in srgb, var(--line) 45%, var(--accent) 55%);
  background: color-mix(in srgb, var(--bg) 92%, var(--accent) 8%);
  text-decoration: none;
}

.post-nav-link--newer {
  margin-left: auto;
  text-align: right;
  align-items: flex-end;
}

.post-nav-direction {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.post-nav-title {
  font-size: 0.95rem;
  line-height: 1.35;
  color: var(--accent);
}

.post-nav-link:hover .post-nav-title {
  text-decoration: underline;
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.post-card {
  padding: 1.1rem 0 1.4rem;
  border-bottom: 1px solid var(--line);
}

.post-card:first-child {
  padding-top: 0.6rem;
}

.post-card:last-child {
  border-bottom: none;
  padding-bottom: 0.4rem;
}

.post-card-title {
  margin: 0 0 0.3rem;
  font-size: 1.18rem;
  line-height: 1.3;
}

.post-card-title a {
  color: var(--accent);
  text-decoration: none;
}

.post-card-title a:hover {
  text-decoration: underline;
}

.post-card-meta {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.post-card-tags {
  color: var(--muted);
}

.tag-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dotted color-mix(in srgb, var(--muted) 50%, transparent);
  transition: color 120ms ease, border-color 120ms ease;
}

.tag-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.post-meta-tags {
  color: var(--muted);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.5rem;
  margin: 1rem 0 1.6rem;
  padding: 0;
}

.blog-tag-bar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 0.6rem 0 1.8rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.blog-tag-bar-track {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.4rem;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-mask-image: linear-gradient(to right, black calc(100% - 32px), transparent 100%);
  mask-image: linear-gradient(to right, black calc(100% - 32px), transparent 100%);
}

.blog-tag-bar-track::-webkit-scrollbar {
  display: none;
}

.blog-tag-bar-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 90%, var(--text) 10%);
  white-space: nowrap;
  transition: color 120ms ease, background-color 120ms ease, border-color 120ms ease;
}

.blog-tag-bar-chip:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--line) 35%, var(--accent) 65%);
  text-decoration: none;
}

.blog-tag-bar-count {
  color: var(--muted);
  font-size: 0.72rem;
}

.blog-tag-bar-more {
  flex: 0 0 auto;
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

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

.tag-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  padding: 0.32rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text);
  text-decoration: none;
  background: color-mix(in srgb, var(--bg) 92%, var(--text) 8%);
  transition: border-color 120ms ease, background-color 120ms ease, color 120ms ease;
}

.tag-chip:hover {
  border-color: color-mix(in srgb, var(--line) 35%, var(--accent) 65%);
  color: var(--accent);
  text-decoration: none;
}

.tag-chip-count {
  color: var(--muted);
  font-size: 0.78rem;
}

.tag-section {
  margin: 2rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 5rem;
}

.tag-section-title {
  margin: 0 0 0.7rem;
  font-size: 1.2rem;
}

.tag-section .post-card {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.tag-section .post-card:last-child {
  border-bottom: none;
}

.tag-section .post-card-title {
  font-size: 1.02rem;
}

.post-card-excerpt {
  margin: 0;
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.55;
}

.project-list {
  display: grid;
  gap: 1rem;
}

@media (min-width: 900px) {
  .project-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.project-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.1rem;
}

.project-item:target {
  scroll-margin-top: 1rem;
  animation: project-target-highlight 900ms ease-out;
}

@keyframes project-target-highlight {
  0% {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--bg) 86%, var(--accent) 14%);
    box-shadow: 0 0 0 0.42rem color-mix(in srgb, var(--accent) 30%, transparent);
  }
  100% {
    border-color: var(--line);
    background: transparent;
    box-shadow: none;
  }
}

.project-item h2,
.project-item h3 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  font-size: 1.18rem;
}

.project-heading {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.45rem;
}

.project-heading h2,
.project-heading h3 {
  margin: 0;
}

.project-logo {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  border-radius: 0.55rem;
}

.project-item p {
  margin-bottom: 0.7rem;
}

.project-item p:last-child {
  margin-bottom: 0;
}

.cert-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  column-gap: 1rem;
  align-items: start;
  align-content: start;
}

.cert-logo {
  grid-row: span 5;
  width: 88px;
  max-height: 88px;
  object-fit: contain;
}

.cert-item h2 {
  margin-top: 0.1rem;
}

.project-item--no-writeup {
  opacity: 0.88;
}

.writeup-unavailable {
  color: var(--muted);
  font-size: 0.95rem;
}

.repo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.repo-icon {
  width: 0.92rem;
  height: 0.92rem;
  flex-shrink: 0;
}

.home-credentials {
  margin: 0 0 2rem;
}

.home-projects {
  margin: 0 0 2rem;
}

.home-project-list {
  display: grid;
  gap: 0.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.home-project-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  background: color-mix(in srgb, var(--bg) 96%, var(--text) 4%);
}

.home-project-list a::after {
  content: "→";
  flex-shrink: 0;
  color: var(--muted);
  transition: transform 160ms ease;
}

.home-project-list a:hover,
.home-project-list a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.home-project-list a:hover::after,
.home-project-list a:focus-visible::after {
  transform: translateX(0.18rem);
}

.home-section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.7rem;
}

.home-section-heading h2 {
  margin: 0;
  font-size: 1.15rem;
}

.home-section-heading a {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.home-credential-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.65rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.home-credential-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 96%, var(--text) 4%);
}

.home-credential-logo {
  display: block;
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.home-credential-name,
.home-credential-status {
  display: block;
}

.home-credential-name {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
}

.home-credential-status {
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.contact-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 1.15rem 1.25rem;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.15rem 1.25rem;
  margin: 0.5rem 0 1.75rem;
  background: color-mix(in srgb, var(--bg) 94%, var(--accent) 6%);
}

.contact-card__photo {
  margin: 0;
  isolation: isolate;
}

.contact-card__image,
.contact-card__avatar {
  display: block;
  width: 96px;
  height: 96px;
  border-radius: 50%;
}

.contact-card__image {
  object-fit: cover;
  border: none;
  background: transparent;
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-tap-highlight-color: transparent;
}

.contact-card__image:focus,
.contact-card__image:focus-visible {
  outline: none;
}

.contact-card__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 650;
  font-size: 1.65rem;
  letter-spacing: 0.02em;
  color: var(--text);
  background: color-mix(in srgb, var(--line) 45%, var(--bg) 55%);
  border: 1px solid var(--line);
}

.contact-card__body {
  min-width: 0;
}

.contact-card__name {
  margin: 0 0 0.2rem;
  font-size: 1.25rem;
  line-height: 1.25;
  font-weight: 650;
}

.contact-card__title {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  line-height: 1.4;
  font-weight: 500;
  color: var(--text);
}

.contact-card__tagline {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.contact-card__intro {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--text);
}

.contact-card__skills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0.55rem 0 0;
  padding: 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--muted);
}

.contact-card__skill {
  display: inline-flex;
  align-items: center;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.contact-card__skill:not(:last-child)::after {
  content: "·";
  margin: 0 0.42rem;
  opacity: 0.55;
}

.contact-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
}

.contact-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.34rem 0.78rem;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 120ms ease, filter 120ms ease, box-shadow 120ms ease;
}

.contact-card__link:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.contact-card__icon {
  width: 0.95rem;
  height: 0.95rem;
  flex-shrink: 0;
}

.contact-card__link--linkedin {
  background: #0a66c2;
  color: #fff;
  border-color: #0958a8;
}

.contact-card__link--github {
  background: #24292f;
  color: #fff;
  border-color: #1b1f24;
}

[data-theme="dark"] .contact-card__link--github {
  background: #eceff4;
  color: #1b1d22;
  border-color: #c8ced8;
}

.contact-card__link--htb {
  background: #9fef00;
  color: #111;
  border-color: #8fda00;
}

.contact-card__link--thm {
  background: #212c42;
  color: #fff;
  border-color: #374151;
}

.contact-card__icon--thm {
  color: #f06830;
}

.contact-card__link--email {
  background: color-mix(in srgb, var(--bg) 88%, var(--accent) 12%);
  color: var(--text);
  border-color: color-mix(in srgb, var(--line) 45%, var(--accent) 55%);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .container {
  padding-top: 1.2rem;
  padding-bottom: 1.2rem;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.65rem;
  background: rgba(11, 12, 16, 0.82);
  padding: 1.2rem;
}

.image-lightbox.is-open {
  display: flex;
}

.image-lightbox-img {
  max-width: min(98vw, 1320px);
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.image-lightbox-caption {
  margin: 0;
  text-align: center;
  color: #d7dbe4;
  font-size: 0.9rem;
}

.image-lightbox-close {
  position: absolute;
  top: 0.95rem;
  right: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-radius: 999px;
  width: 2rem;
  height: 2rem;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 700px) {
  .container {
    padding: 0 1rem;
  }

  .site-header .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .content {
    padding-top: 1.6rem;
    padding-bottom: 2rem;
  }

  .nav {
    gap: 0.7rem 0.9rem;
  }

  .nav a {
    font-size: 0.9rem;
  }

  .reader-toggle {
    font-size: 0.85rem;
    padding: 0.5rem 0.85rem;
    min-height: 2.5rem;
  }

  .header-tools .theme-switch {
    --ts-w: 60px;
    --ts-h: 30px;
    --ts-knob: 24px;
    --ts-travel: 30px;
  }

  .project-item {
    padding: 0.9rem 1rem;
  }

  .cert-item {
    grid-template-columns: 72px minmax(0, 1fr);
    column-gap: 0.8rem;
  }

  .cert-logo {
    width: 72px;
    max-height: 72px;
  }

  .post-nav {
    flex-direction: column;
  }

  .post-nav-link {
    max-width: none;
  }

  .post-nav-link--newer {
    margin-left: 0;
    text-align: left;
    align-items: flex-start;
  }

  .contact-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    padding: 1.1rem 1rem 1.2rem;
  }

  .contact-card__skills,
  .contact-card__links {
    justify-content: center;
  }

}