/* ============================================
   Personal site — Terminal Green
   Phosphor on a dark CRT. Mono everywhere.
   ============================================ */

:root {
  /* Dark terminal (default) */
  --bg: #0a0e0a;
  --bg-elevated: #050805;
  --fg: #c4e8cf;            /* body text — soft green */
  --fg-bright: #6cff95;      /* highlights / brand */
  --fg-muted: #4a8c5e;       /* secondary, comments */
  --fg-subtle: #2d4a36;      /* tertiary */
  --border: #1c3322;
  --accent: #6cff95;
  --accent-warm: #ffd166;    /* amber for emphasis */
  --tag-bg: #0f1a12;
  --tag-fg: #6cff95;
  --selection-bg: #6cff95;
  --selection-fg: #0a0e0a;

  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;
  --serif: var(--mono);
  --sans: var(--mono);
  --max-w: 760px;
  --max-w-wide: 1080px;
  --shadow-sm: 0 0 0 1px var(--border);
  --shadow-md: 0 0 0 1px var(--border), inset 0 0 60px rgba(108, 255, 149, 0.03);
  --radius: 0;
}

[data-theme="light"] {
  /* Slate Cool — soft cool-gray, cyan accent, amber emphasis */
  --bg: #f3f4f6;
  --bg-elevated: #ffffff;
  --fg: #374151;
  --fg-bright: #111827;
  --fg-muted: #6b7280;
  --fg-subtle: #9ca3af;
  --border: #d1d5db;
  --accent: #0891b2;
  --accent-warm: #d97706;
  --tag-bg: #ffffff;
  --tag-fg: #0891b2;
  --selection-bg: #0891b2;
  --selection-fg: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: clip;  /* safety net: no page-level horizontal scroll, ever */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.2s ease, color 0.2s ease;
  /* Subtle phosphor cast */
  text-shadow: 0 0 1px color-mix(in srgb, var(--fg) 12%, transparent);
}
[data-theme="light"] body { text-shadow: none; }

::selection { background: var(--selection-bg); color: var(--selection-fg); }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.12s ease, color 0.12s ease;
}
a:hover { border-bottom-color: var(--accent); }

strong { color: var(--fg-bright); font-weight: 600; }
em { color: var(--accent-warm); font-style: normal; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 8px 12px;
  z-index: 1000;
  font-family: var(--mono);
  font-size: 12px;
}
.skip-link:focus { left: 8px; top: 8px; }

.accent { color: var(--accent); }

/* ============================================
   READING PROGRESS BAR
   ============================================ */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 100;
  transition: width 0.05s linear;
  pointer-events: none;
  box-shadow: 0 0 8px var(--accent);
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}
.nav__brand {
  font-weight: 600;
  color: var(--fg-bright);
  letter-spacing: 0.01em;
}
.nav__brand::before {
  content: "$ ";
  color: var(--fg-muted);
  font-weight: 400;
}
.nav__brand:hover { border-color: transparent; color: var(--accent); }

.nav__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 22px;
  align-items: center;
}
.nav__links a {
  color: var(--fg-muted);
  font-size: 13px;
  font-weight: 400;
}
.nav__links a:hover,
.nav__links a.active { color: var(--accent); }

.nav__theme {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 12px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  transition: all 0.12s ease;
}
.nav__theme:hover { color: var(--accent); border-color: var(--accent); }
.nav__toggle { display: none; }

/* ============================================
   HERO
   ============================================ */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 96px 24px 48px;
}
.hero__eyebrow {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
  margin: 0 0 24px;
}
.hero__eyebrow::before { content: "// "; opacity: 0.6; }

.hero__name {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
  color: var(--fg-bright);
}
.hero__name::before {
  content: "# ";
  color: var(--fg-muted);
  font-weight: 400;
}
.hero__name::after {
  content: "_";
  display: inline-block;
  margin-left: 4px;
  color: var(--accent);
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.hero__tagline {
  font-size: 15px;
  color: var(--fg);
  line-height: 1.7;
  margin: 0 0 24px;
  max-width: 640px;
}
.hero__tagline strong { color: var(--fg-bright); font-weight: 600; }

.hero__interests {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 32px;
}
.tag {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--tag-bg);
  color: var(--tag-fg);
  padding: 3px 10px;
  border: 1px solid var(--border);
  letter-spacing: 0.01em;
}
.tag::before { content: "["; opacity: 0.6; margin-right: 1px; }
.tag::after { content: "]"; opacity: 0.6; margin-left: 1px; }

.hero__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 13px;
}
.hero__links li { position: relative; }
.hero__links li:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-subtle);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 24px;
  border-top: 1px solid var(--border);
}
.section__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 32px;
  color: var(--fg-bright);
}
.section__title::before {
  content: "## ";
  color: var(--fg-muted);
  font-weight: 400;
}
.section__title .accent {
  font-size: 0.85rem;
  font-weight: 400;
  margin-right: 8px;
  color: var(--fg-muted);
}
.section__title .accent::before { content: "["; }
.section__title .accent::after { content: "] "; }
.section__body { font-size: 15px; }

/* ABOUT */
.about p { margin: 0 0 16px; color: var(--fg); }
.about strong { color: var(--fg-bright); }
.about a { font-weight: 500; }

/* EXPERIENCE */
.job {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.job:last-child { border-bottom: none; }
.job__head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 16px;
  margin: 0 0 12px;
  align-items: baseline;
}
.job__head h3 {
  grid-column: 1 / -1;
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--fg-bright);
}
.job__head h3::before {
  content: "› ";
  color: var(--accent);
  font-weight: 400;
}
.job__meta {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 400;
}
.job__date {
  font-size: 12px;
  color: var(--fg-subtle);
  text-align: right;
}
.job__summary {
  margin: 0 0 12px;
  color: var(--fg);
  font-size: 14px;
}
.job__bullets {
  margin: 0 0 16px;
  padding-left: 0;
  list-style: none;
  color: var(--fg);
  font-size: 14px;
}
.job__bullets li {
  margin: 0 0 8px;
  padding-left: 18px;
  position: relative;
}
.job__bullets li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.job__bullets strong { color: var(--fg-bright); }
.job__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.job__stack span {
  font-size: 11px;
  color: var(--fg-muted);
  background: var(--tag-bg);
  padding: 2px 8px;
  border: 1px solid var(--border);
}

/* PROJECTS */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.project {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 18px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.project:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 24px rgba(108, 255, 149, 0.08);
}
.project header { margin: 0 0 10px; }
.project h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--fg-bright);
}
.project h3::before { content: "› "; color: var(--accent); font-weight: 400; }
.project h3 a {
  color: inherit;
  border-bottom: none;
}
.project:hover h3 a { color: var(--accent); }
.project__date {
  font-size: 11px;
  color: var(--fg-subtle);
}
.project p {
  font-size: 13.5px;
  color: var(--fg);
  margin: 0 0 10px;
  line-height: 1.6;
}
.project__links {
  margin: 0 0 10px;
  font-size: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.project__links a {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  transition: border-color 0.12s ease;
}
.project__links a:hover { border-bottom-color: var(--accent); }
.project__links a::after { content: " ↗"; opacity: 0.6; }
.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.project__tags span {
  font-size: 10px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 1px 7px;
  letter-spacing: 0.02em;
}

/* PUBLICATIONS */
.pubs {
  list-style: decimal-leading-zero;
  padding-left: 32px;
  margin: 0;
}
.pubs li {
  margin: 0 0 18px;
  padding-left: 8px;
}
.pubs li::marker {
  font-size: 12px;
  color: var(--fg-subtle);
}
.pubs__title {
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--fg-bright);
  font-size: 14px;
}
.pubs__authors {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--fg);
}
.pubs__venue {
  margin: 0;
  font-size: 11px;
  color: var(--fg-muted);
}
.pubs__venue::before { content: "// "; opacity: 0.6; }

/* "more" link at the end of a section (e.g. Writing → blog index) */
.section__more {
  margin: 24px 0 0;
  font-size: 13px;
}
.section__more a {
  color: var(--fg-muted);
  font-family: var(--mono);
  border-bottom: 1px dashed transparent;
  transition: color 0.12s ease, border-color 0.12s ease;
}
.section__more a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding: 24px 0;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--fg-muted);
}
.footer__inner p { margin: 0; }
.footer a { color: var(--fg-muted); }
.footer a:hover { color: var(--accent); }

/* ============================================
   BLOG INDEX
   ============================================ */
.blog-page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 88px 24px 48px;
}
.blog-page h1 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--fg-bright);
}
.blog-page h1::before { content: "# "; color: var(--fg-muted); font-weight: 400; }
.blog-page__intro {
  color: var(--fg-muted);
  margin: 0 0 40px;
  font-size: 14px;
}
.blog-page__intro::before { content: "// "; opacity: 0.7; }

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.post-list li {
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
.post-list li:last-child { border-bottom: 1px solid var(--border); }
.post-list a {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  align-items: baseline;
  color: var(--fg);
  border: none;
}
.post-list a:hover h3 { color: var(--accent); }
.post-list a:hover h3::before { opacity: 1; }
.post-list time {
  font-size: 12px;
  color: var(--fg-subtle);
}
.post-list h3 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-bright);
  transition: color 0.12s ease;
}
.post-list h3::before {
  content: "› ";
  color: var(--accent);
  opacity: 0.5;
  transition: opacity 0.12s ease;
  font-weight: 400;
}
.post-list p {
  margin: 0;
  font-size: 13px;
  color: var(--fg-muted);
}

/* ============================================
   POST PAGE
   ============================================ */
.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 24px 64px;
}

.post__back {
  font-size: 12px;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0 0 32px;
  border: none;
  transition: color 0.12s ease;
}
.post__back::before { content: "$ cd .."; margin-right: 6px; color: var(--fg-subtle); }
.post__back:hover { color: var(--accent); }

.post__header { margin: 0 0 40px; }
.post__meta {
  font-size: 12px;
  color: var(--fg-muted);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}
.post__meta::before { content: "// "; opacity: 0.7; }
.post__meta .dot { display: inline-block; margin: 0 8px; opacity: 0.6; }

.post h1 {
  font-size: clamp(1.6rem, 3.4vw, 2.1rem);
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--fg-bright);
}
.post h1::before { content: "# "; color: var(--fg-muted); font-weight: 400; }

.post__lede {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 0;
  padding: 12px 16px;
  border-left: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

/* Body typography */
.post__body { font-size: 15px; line-height: 1.75; color: var(--fg); }
.post__body > p:first-of-type::first-letter { /* drop cap removed for terminal feel */
  font-size: inherit;
  float: none;
  margin: 0;
  color: inherit;
}

.post h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 48px 0 14px;
  letter-spacing: 0;
  line-height: 1.3;
  color: var(--fg-bright);
  position: relative;
}
.post h2::before {
  content: "## ";
  color: var(--fg-muted);
  font-weight: 400;
}

.post h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--fg-bright);
}
.post h3::before {
  content: "### ";
  color: var(--fg-muted);
  font-weight: 400;
}

.post p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg);
  margin: 0 0 18px;
}
.post p a {
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}
.post p a:hover { border-bottom-color: var(--accent); }

.post strong { color: var(--fg-bright); font-weight: 600; }
.post em { color: var(--accent-warm); font-style: normal; }

.post ul, .post ol {
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg);
  padding-left: 0;
  list-style: none;
  margin: 0 0 18px;
}
.post li {
  margin: 0 0 6px;
  padding-left: 18px;
  position: relative;
}
.post ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.post ol { counter-reset: ol-counter; }
.post ol li { counter-increment: ol-counter; }
.post ol li::before {
  content: counter(ol-counter, decimal-leading-zero) ".";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 12px;
  top: 2px;
}

/* Inline & block code */
.post code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--tag-bg);
  padding: 1px 6px;
  border: 1px solid var(--border);
  color: var(--accent);
}
.post pre {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 14px 16px;
  overflow-x: auto;
  overflow-y: auto;
  max-height: 480px;  /* long configs scroll inside instead of stretching the page */
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 22px;
  position: relative;
}
.post pre::before {
  content: "$";
  position: absolute;
  top: 14px;
  left: 16px;
  color: var(--fg-subtle);
  font-size: 13px;
  opacity: 0;  /* off by default to keep code readable */
}
.post pre code {
  background: none;
  padding: 0;
  border: none;
  color: var(--fg);
  font-size: inherit;
}

/* Copy-to-clipboard button on code blocks */
.post .code-block {
  position: relative;
  margin: 0 0 22px;
}
.post .code-block > pre {
  margin: 0;
}
.code-block__copy {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  z-index: 2;
}
.code-block:hover .code-block__copy,
.code-block__copy:focus-visible {
  opacity: 1;
}
.code-block__copy:hover {
  color: var(--fg);
  border-color: var(--fg-muted);
}
.code-block__copy.is-copied {
  opacity: 1;
  color: var(--accent);
  border-color: var(--accent);
}
@media (hover: none) {
  /* On touch devices, show the button at all times */
  .code-block__copy { opacity: 0.7; }
}

/* Blockquote */
.post blockquote {
  position: relative;
  margin: 28px 0;
  padding: 0 0 0 20px;
  color: var(--fg);
  font-size: 15px;
  line-height: 1.7;
  border-left: 2px solid var(--accent);
}
.post blockquote::before {
  content: "> ";
  color: var(--accent);
  font-weight: 600;
  margin-left: -16px;
  margin-right: 4px;
}
.post blockquote p {
  display: inline;
  font-size: inherit;
  line-height: inherit;
  margin: 0;
}

/* Horizontal rule — ASCII separator */
.post hr {
  border: 0;
  height: auto;
  margin: 40px 0;
  text-align: center;
  color: var(--fg-subtle);
  background: transparent;
}
.post hr::before {
  content: "─ ─ ─";
  letter-spacing: 0.4em;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--fg-subtle);
}
.post hr::after { content: ""; }

/* Post nav (prev/next) */
.post__footer {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.post__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.post__nav li { padding-left: 0; }
.post__nav li::before { content: ""; }
.post__nav a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--fg);
  transition: border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}
.post__nav a:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 24px rgba(108, 255, 149, 0.06);
}
.post__nav__label {
  font-size: 10px;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin: 0 0 6px;
}
.post__nav__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-bright);
  display: block;
}
.post__nav li:nth-child(2) a { text-align: right; }
.post__nav li.disabled a { opacity: 0.35; pointer-events: none; }

/* Inline figures (used in ten-cli post) */
.post figure { margin: 24px 0; text-align: center; }
.post figure img {
  max-width: 320px;
  width: 100%;
  border: 1px solid var(--border);
  filter: hue-rotate(80deg) saturate(0.85);
}
.post figcaption {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 8px;
}
.post figcaption::before { content: "// "; opacity: 0.6; }
.post .figure-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 24px 0;
}
.post .figure-row figure { margin: 0; flex: 0 1 280px; }
.post .figure-row figure img { max-width: 280px; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
  .nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
  }
  .nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--fg);
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__links li { width: 100%; padding: 0 24px; }
  .nav__links a {
    display: block;
    padding: 10px 0;
    font-size: 14px;
  }
  .hero { padding: 56px 24px 32px; }
  .section { padding: 40px 24px; }
  .job__head { grid-template-columns: 1fr; }
  .job__date { text-align: left; }
  .post-list a { grid-template-columns: 1fr; gap: 4px; }
  .post__nav { grid-template-columns: 1fr; }
  .post__nav li:nth-child(2) a { text-align: left; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================
   Post sidebar TOC — sticks beside .post__body on wide viewports
   ============================================ */
.post__toc {
  font-size: 12px;
  color: var(--fg-muted);
  border-left: 1px solid var(--border);
  padding: 0 0 0 16px;
  margin: 0 0 32px;
}
.post__toc__label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fg-subtle);
  text-transform: uppercase;
  margin: 0 0 8px;
}
.post__toc ul { list-style: none; padding: 0; margin: 0; }
.post__toc li { margin: 0 0 4px; }
.post__toc a {
  color: var(--fg-muted);
  border-bottom: none;
  display: block;
  padding: 2px 0;
  line-height: 1.5;
}
.post__toc a:hover,
.post__toc a.is-active {
  color: var(--accent);
}
.post__toc a.is-active::before {
  content: "› ";
  color: var(--accent);
  margin-right: -2px;
}

@media (min-width: 1100px) {
  .post {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 48px;
    max-width: 1000px;
  }
  .post__back,
  .post__header,
  .post__body {
    grid-column: 2;
    min-width: 0;  /* allow children with overflow-x to shrink below intrinsic width */
  }
  .post__toc {
    grid-column: 1;
    grid-row: 2 / span 2;
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

/* Code blocks shouldn't push the grid column wider than the viewport */
.post .code-block,
.post pre { min-width: 0; max-width: 100%; }

/* ============================================
   Per-post translation note (not site-wide lang toggle)
   ============================================ */
.post__lang {
  font-size: 12px;
  color: var(--fg-muted);
  margin: -4px 0 24px;
  font-style: italic;
}
.post__lang::before {
  content: "// ";
  opacity: 0.7;
  font-style: normal;
}
.post__lang a {
  color: var(--accent);
  font-style: normal;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}
.post__lang a:hover { border-bottom-color: var(--accent); }

/* ============================================
   Traditional Chinese typography overrides
   PingFang TC / Noto Sans TC ahead of mono fallbacks
   ============================================ */
:lang(zh-Hant),
:lang(zh-Hant) body,
:lang(zh-Hant) .post__body,
:lang(zh-Hant) .hero__tagline,
:lang(zh-Hant) .about p,
:lang(zh-Hant) .job__summary,
:lang(zh-Hant) .job__bullets,
:lang(zh-Hant) .project p,
:lang(zh-Hant) .pubs p {
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", var(--mono);
}
:lang(zh-Hant) .post__body,
:lang(zh-Hant) p {
  line-height: 1.85;  /* a touch more leading for CJK density */
}
/* Code, pre, tags, nav stay in mono — they're English/code regardless of page lang */
:lang(zh-Hant) code,
:lang(zh-Hant) pre,
:lang(zh-Hant) .tag,
:lang(zh-Hant) .nav__brand,
:lang(zh-Hant) .nav__links,
:lang(zh-Hant) .project__tags,
:lang(zh-Hant) .job__stack {
  font-family: var(--mono);
}