/* Palette from v587su/v587su.github.io, revision recorded in docs/THEMES.md.
   See assets/licenses/reference-site-BSD-2-Clause.txt for source notice. */
:root {
  color-scheme:light dark;
  --paper-light:#FAFAF7;
  --paper-dark:#111110;
  --paper:var(--paper-light);
  --ink-light:#141414;
  --ink-dark:#ECECE8;
  --ink:var(--ink-light);
  --body-light:#141414;
  --body-dark:#ECECE8;
  --body:var(--body-light);
  --secondary-light:#66665F;
  --secondary-dark:#9B9B95;
  --secondary:var(--secondary-light);
  --muted-light:#66665F;
  --muted-dark:#9B9B95;
  --muted:var(--muted-light);
  --line-light:#E0E0DA;
  --line-dark:#2C2C2A;
  --line:var(--line-light);
  --accent-light:#C2402A;
  --accent-dark:#E8705A;
  --accent:var(--accent-light);
  --accent-strong-light:#962F1E;
  --accent-strong-dark:#F09A88;
  --accent-strong:var(--accent-strong-light);
  --accent-soft-light:#F8E8E4;
  --accent-soft-dark:#3A1F1A;
  --accent-soft:var(--accent-soft-light);
  --card-light:#FFFFFF;
  --card-dark:#181817;
  --card:var(--card-light);
  --code-bg-light:#F0F0EB;
  --code-bg-dark:#212120;
  --code-bg:var(--code-bg-light);
  --timeline-line-light:#E0E0DA;
  --timeline-line-dark:#2C2C2A;
  --timeline-line:var(--timeline-line-light);
  --timeline-node-light:#66665F;
  --timeline-node-dark:#9B9B95;
  --timeline-node:var(--timeline-node-light);
  --control-line-light:#8C8C83;
  --control-line-dark:#696963;
  --control-line:var(--control-line-light);
  --header-tint-light:rgba(250,250,247,0.70);
  --header-tint-dark:rgba(17,17,16,0.70);
  --header-tint:var(--header-tint-light);
  --card-highlight-light:rgba(255,255,255,0.8);
  --card-highlight-dark:rgba(255,255,255,0.03);
  --card-highlight:var(--card-highlight-light);
  --card-shadow-light:rgba(20,20,20,0.03);
  --card-shadow-dark:rgba(0,0,0,0.18);
  --card-shadow:var(--card-shadow-light);
  --notice-bg-light:#F8E8E4;
  --notice-bg-dark:#3A1F1A;
  --notice-bg:var(--notice-bg-light);
  --notice-text-light:#962F1E;
  --notice-text-dark:#F09A88;
  --notice-text:var(--notice-text-light);
  --code-comment-light:#66665F;
  --code-comment-dark:#9B9B95;
  --code-comment:var(--code-comment-light);
  --code-keyword-light:#962F1E;
  --code-keyword-dark:#F09A88;
  --code-keyword:var(--code-keyword-light);
  --code-string-light:#3E6B45;
  --code-string-dark:#93C7A0;
  --code-string:var(--code-string-light);
  --code-number-light:#7D6A2A;
  --code-number-dark:#D8C070;
  --code-number:var(--code-number-light);
  --code-name-light:#2E4A7A;
  --code-name-dark:#9FB8E0;
  --code-name:var(--code-name-light);
  --code-deleted-light:#8E2E1E;
  --code-deleted-dark:#E89A86;
  --code-deleted:var(--code-deleted-light);
  --code-deleted-bg-light:#F6E3DE;
  --code-deleted-bg-dark:#3A1F1A;
  --code-deleted-bg:var(--code-deleted-bg-light);
  --code-added-light:#3E6B45;
  --code-added-dark:#93C7A0;
  --code-added:var(--code-added-light);
  --code-added-bg-light:#E3EEE4;
  --code-added-bg-dark:#1C2F21;
  --code-added-bg:var(--code-added-bg-light);
  --timeline-width:340px;
  --header-height:52px;
  --sticky-top:calc(var(--header-height) + 32px);
}

:root[data-theme="light"] { color-scheme:light; }
:root[data-theme="dark"] { color-scheme:dark; }

@supports (color:light-dark(white, black)) {
  :root {
    --paper:light-dark(var(--paper-light), var(--paper-dark));
    --ink:light-dark(var(--ink-light), var(--ink-dark));
    --body:light-dark(var(--body-light), var(--body-dark));
    --secondary:light-dark(var(--secondary-light), var(--secondary-dark));
    --muted:light-dark(var(--muted-light), var(--muted-dark));
    --line:light-dark(var(--line-light), var(--line-dark));
    --accent:light-dark(var(--accent-light), var(--accent-dark));
    --accent-strong:light-dark(var(--accent-strong-light), var(--accent-strong-dark));
    --accent-soft:light-dark(var(--accent-soft-light), var(--accent-soft-dark));
    --card:light-dark(var(--card-light), var(--card-dark));
    --code-bg:light-dark(var(--code-bg-light), var(--code-bg-dark));
    --timeline-line:light-dark(var(--timeline-line-light), var(--timeline-line-dark));
    --timeline-node:light-dark(var(--timeline-node-light), var(--timeline-node-dark));
    --control-line:light-dark(var(--control-line-light), var(--control-line-dark));
    --header-tint:light-dark(var(--header-tint-light), var(--header-tint-dark));
    --card-highlight:light-dark(var(--card-highlight-light), var(--card-highlight-dark));
    --card-shadow:light-dark(var(--card-shadow-light), var(--card-shadow-dark));
    --notice-bg:light-dark(var(--notice-bg-light), var(--notice-bg-dark));
    --notice-text:light-dark(var(--notice-text-light), var(--notice-text-dark));
    --code-comment:light-dark(var(--code-comment-light), var(--code-comment-dark));
    --code-keyword:light-dark(var(--code-keyword-light), var(--code-keyword-dark));
    --code-string:light-dark(var(--code-string-light), var(--code-string-dark));
    --code-number:light-dark(var(--code-number-light), var(--code-number-dark));
    --code-name:light-dark(var(--code-name-light), var(--code-name-dark));
    --code-deleted:light-dark(var(--code-deleted-light), var(--code-deleted-dark));
    --code-deleted-bg:light-dark(var(--code-deleted-bg-light), var(--code-deleted-bg-dark));
    --code-added:light-dark(var(--code-added-light), var(--code-added-dark));
    --code-added-bg:light-dark(var(--code-added-bg-light), var(--code-added-bg-dark));
  }
}

/* Screen-only fallback keeps print light even after a forced dark choice. */
@supports not (color:light-dark(white, black)) {
  @media screen and (prefers-color-scheme:dark) {
    :root:not([data-theme="light"]) {
      --paper:var(--paper-dark);
      --ink:var(--ink-dark);
      --body:var(--body-dark);
      --secondary:var(--secondary-dark);
      --muted:var(--muted-dark);
      --line:var(--line-dark);
      --accent:var(--accent-dark);
      --accent-strong:var(--accent-strong-dark);
      --accent-soft:var(--accent-soft-dark);
      --card:var(--card-dark);
      --code-bg:var(--code-bg-dark);
      --timeline-line:var(--timeline-line-dark);
      --timeline-node:var(--timeline-node-dark);
      --control-line:var(--control-line-dark);
      --header-tint:var(--header-tint-dark);
      --card-highlight:var(--card-highlight-dark);
      --card-shadow:var(--card-shadow-dark);
      --notice-bg:var(--notice-bg-dark);
      --notice-text:var(--notice-text-dark);
      --code-comment:var(--code-comment-dark);
      --code-keyword:var(--code-keyword-dark);
      --code-string:var(--code-string-dark);
      --code-number:var(--code-number-dark);
      --code-name:var(--code-name-dark);
      --code-deleted:var(--code-deleted-dark);
      --code-deleted-bg:var(--code-deleted-bg-dark);
      --code-added:var(--code-added-dark);
      --code-added-bg:var(--code-added-bg-dark);
    }
  }
  @media screen {
    :root[data-theme="dark"] {
      --paper:var(--paper-dark);
      --ink:var(--ink-dark);
      --body:var(--body-dark);
      --secondary:var(--secondary-dark);
      --muted:var(--muted-dark);
      --line:var(--line-dark);
      --accent:var(--accent-dark);
      --accent-strong:var(--accent-strong-dark);
      --accent-soft:var(--accent-soft-dark);
      --card:var(--card-dark);
      --code-bg:var(--code-bg-dark);
      --timeline-line:var(--timeline-line-dark);
      --timeline-node:var(--timeline-node-dark);
      --control-line:var(--control-line-dark);
      --header-tint:var(--header-tint-dark);
      --card-highlight:var(--card-highlight-dark);
      --card-shadow:var(--card-shadow-dark);
      --notice-bg:var(--notice-bg-dark);
      --notice-text:var(--notice-text-dark);
      --code-comment:var(--code-comment-dark);
      --code-keyword:var(--code-keyword-dark);
      --code-string:var(--code-string-dark);
      --code-number:var(--code-number-dark);
      --code-name:var(--code-name-dark);
      --code-deleted:var(--code-deleted-dark);
      --code-deleted-bg:var(--code-deleted-bg-dark);
      --code-added:var(--code-added-dark);
      --code-added-bg:var(--code-added-bg-dark);
    }
  }
}

* {
  box-sizing:border-box;
}

html {
  scroll-behavior:auto;
  scroll-padding-top:calc(var(--header-height) + 16px);
}

body {
  margin:0;
  background:var(--paper);
  color:var(--body);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}

a {
  color:inherit;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}

a:hover {
  color:var(--accent-strong);
  text-decoration:underline;
}

a:focus-visible {
  outline:2px solid var(--accent);
  outline-offset:5px;
  border-radius:2px;
}

img {
  max-width:100%;
  height:auto;
}

.shell {
  width:min(100% - 64px,960px);
  margin:auto;
}

.site-header {
  position:sticky;
  top:0;
  z-index:20;
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.header-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:var(--header-height);
}
/* Opaque paper is the fallback when backdrop blur is unavailable. */
@supports ((backdrop-filter:blur(10px)) or (-webkit-backdrop-filter:blur(10px))) {
  .site-header {
    background:var(--header-tint);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
  }
}
::selection { background:var(--accent-soft); }

/* Native controls inherit the active scheme; the compact header stays one row. */
.header-tools {
  display:flex;
  align-items:center;
  gap:18px;
}
button, input, select, textarea {
  font:inherit;
  color:var(--body);
  accent-color:var(--accent);
}
button, input:not([type="checkbox"]):not([type="radio"]), select, textarea {
  max-width:100%;
  min-width:0;
  padding:6px 8px;
  border:1px solid var(--control-line);
  border-radius:4px;
  background:var(--card);
}
input::placeholder, textarea::placeholder { color:var(--muted); opacity:1; }
fieldset { min-width:0; border:1px solid var(--line); }
:is(button,input,select,textarea):focus-visible {
  outline:2px solid var(--accent);
  outline-offset:3px;
}
.theme-toggle {
  flex-shrink:0;
  width:32px;
  height:32px;
  padding:6px;
  color:var(--secondary);
  cursor:pointer;
}
.theme-toggle:not([hidden]) { display:grid; place-items:center; }
.theme-toggle:hover { color:var(--accent); }
.theme-toggle svg { width:18px; height:18px; }
.theme-toggle[aria-pressed="false"] .theme-icon-sun,
.theme-toggle[aria-pressed="true"] .theme-icon-moon { display:none; }
/* The CAS seal is circular; clip only the outer white square, preserving
   the original white details inside the seal. Other marks keep native alpha. */
.organization-mark img[src$="/cas.png"] { clip-path:circle(46%); }

.wordmark {
  font:700 27px/1 Georgia,serif;
  text-decoration:none;
  letter-spacing:-2px;
}

.wordmark,h1,h2,h3 {
  color:var(--ink);
}

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

nav {
  display:flex;
  gap:27px;
  font-size:13px;
}

nav a {
  text-decoration:none;
  color:var(--muted);
  padding:6px 0;
}

nav a[aria-current=page] {
  color:var(--accent);
  text-decoration:underline;
}

/* Homepage: profile sidebar and content column. */
.home-page .shell {
  width:min(100% - 64px,1160px);
}

.home-layout {
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:64px;
  align-items:start;
  padding:54px 0 26px;
}

.profile-sidebar {
  position:sticky;
  top:var(--sticky-top);
  max-height:calc(100svh - var(--sticky-top) - 24px);
  overflow-y:auto;
  scrollbar-width:thin;
  padding:0 6px 4px 0;
}

.portrait {
  display:block;
  width:132px;
  height:132px;
  border-radius:50%;
  margin:0 0 26px;
}

.profile-sidebar h1 {
  font-size:36px;
  line-height:1.15;
  letter-spacing:-1px;
  margin-bottom:17px;
}

.profile-sidebar .education {
  font-size:13px;
  line-height:1.85;
}

.education-row {
  display:flex;
  align-items:flex-start;
  gap:9px;
}

.education-row img {
  flex:0 0 20px;
  width:20px;
  height:20px;
  object-fit:contain;
  margin-top:2px;
}

.education-copy {
  min-width:0;
}

.education-school {
  color:var(--ink);
  font-weight:500;
}

.education-degree {
  color:var(--secondary);
}

.profile-sidebar .contact-links {
  border-top:1px solid var(--line);
  padding-top:17px;
  margin-top:20px;
  gap:24px;
  color:var(--accent);
}

.sidebar-character {
  position:relative;
  width:100%;
  aspect-ratio:680 / 570;
  margin-top:28px;
  overflow:hidden;
}
/* Independent viewport docking keeps the profile and content columns their size. */
.sidebar-character[data-character-docked=true] {
  position:fixed;
  left:var(--character-left);
  bottom:var(--character-bottom,48px);
  width:var(--character-width);
  margin-top:0;
}
.sidebar-character canvas {
  display:block;
  position:absolute;
  inset:0;
  max-width:100%;
  opacity:0;
  pointer-events:none;
}
.sidebar-character[data-character-ready=true] canvas { opacity:1; }
.character-bubble[hidden] { display:none; }
.character-bubble {
  position:absolute;
  left:65%;
  top:45%;
  z-index:1;
  padding:1px 5px;
  border:1px solid var(--line);
  border-radius:7px 7px 7px 0;
  background:var(--paper);
  color:var(--muted);
  font-size:10px;
  pointer-events:none;
}

.home-content {
  min-width:0;
}

.home-content>.section:first-child {
  border-top:0;
  padding-top:0;
}

.about-section .greeting {
  margin:0 0 13px;
  font-size:15px;
}

.about-section .current-note {
  margin:0;
  font-size:14px;
  line-height:1.8;
  color:var(--secondary);
}

.eyebrow {
  text-transform:uppercase;
  letter-spacing:.12em;
  font-size:10px;
  font-weight:600;
  color:var(--muted);
  margin:0 0 10px;
}

h1,h2,h3,p {
  margin-top:0;
}

h1 {
  font:500 clamp(36px,5vw,52px)/1.1 Georgia,"Times New Roman",serif;
  letter-spacing:-1.7px;
  margin-bottom:18px;
}

.education {
  font-size:14px;
  line-height:1.6;
}

.education p {
  margin:0;
}

.education p+p {
  margin-top:7px;
}

.annotation {
  display:block;
  color:var(--muted);
  font-size:11px;
  margin-top:7px;
}

.greeting {
  margin:21px 0 16px;
  font-size:14px;
}

.current-note {
  margin:17px 0 0;
  font-size:12px;
}

.contact-links {
  display:flex;
  gap:24px;
  list-style:none;
  padding:0;
  margin:0;
  font-size:13px;
  flex-wrap:wrap;
}

.pending small {
  display:block;
  color:var(--muted);
  font-size:10px;
  font-weight:400;
}

.pending {
  font-weight:500;
}

/* Shared section headings; homepage heading icons are decorative. */
.section {
  padding:29px 0 32px;
  border-top:1px solid var(--line);
}

.section-heading {
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:22px;
}

.home-content .section-heading h2 {
  display:flex;
  align-items:center;
  gap:9px;
}

.section-icon {
  display:inline-flex;
  flex:0 0 18px;
  color:var(--secondary);
}

.section-icon svg {
  display:block;
  width:18px;
  height:18px;
}

h2 {
  font:500 24px/1.3 Georgia,serif;
  letter-spacing:-.5px;
  margin-bottom:0;
}

.section-heading a {
  font-size:12px;
  color:var(--muted);
  text-decoration:none;
}
.section-heading a:hover, .post-list a:hover { color:var(--accent-strong); }

/* Paired columns and the intentional empty publications rail. */
.experience-publications {
  display:grid;
  grid-template-columns:var(--timeline-width) minmax(0,var(--timeline-width));
  justify-content:space-between;
  gap:40px;
  border-top:1px solid var(--line);
}

.experience-publications>.section {
  min-width:0;
  border-top:0;
}

.publications-section {
  display:flex;
  flex-direction:column;
}

.publications-timeline {
  position:relative;
  flex:1;
  min-height:160px;
  margin-top:1px;
}

.publications-timeline::before {
  content:"";
  position:absolute;
  left:7.5px;
  top:0;
  bottom:12px;
  width:1px;
  background:linear-gradient(to bottom,transparent,var(--timeline-line) 16px,var(--timeline-line) calc(100% - 16px),transparent);
}

/* Timeline geometry: event-y anchors the node to the company heading. */
.timeline {
  --event-y:25px;
  --rail-extension:36px;
  list-style:none;
  margin:12px 0 0;
  padding:0;
  width:var(--timeline-width);
  max-width:100%;
}

.timeline li {
  position:relative;
  padding:0 0 16px 40px;
}

.timeline li:last-child {
  padding-bottom:0;
}

.timeline li::before {
  content:"";
  position:absolute;
  left:7.5px;
  top:0;
  bottom:0;
  width:1px;
  background:var(--timeline-line);
}

.timeline li:first-child::before {
  top:calc(var(--event-y) - var(--rail-extension));
  background:linear-gradient(to bottom,transparent,var(--timeline-line) 16px);
}

.timeline li:last-child::before {
  bottom:calc(100% - var(--event-y) - var(--rail-extension));
  background:linear-gradient(to bottom,var(--timeline-line) calc(100% - 16px),transparent);
}

.timeline li:only-child::before {
  top:calc(var(--event-y) - var(--rail-extension));
  bottom:calc(100% - var(--event-y) - var(--rail-extension));
  background:linear-gradient(to bottom,transparent,var(--timeline-line) 16px,var(--timeline-line) calc(100% - 16px),transparent);
}

.timeline li::after {
  content:"";
  position:absolute;
  left:19px;
  top:var(--event-y);
  width:13px;
  height:1px;
  background:var(--timeline-line);
}

.timeline-node {
  position:absolute;
  z-index:1;
  left:3px;
  top:calc(var(--event-y) - 5px);
  width:10px;
  height:10px;
  border:1.5px solid var(--timeline-node);
  border-radius:50%;
  background:var(--paper);
  box-shadow:0 0 0 3px var(--paper);
}

.is-current .timeline-node {
  border-color:var(--accent);
  background:var(--accent);
}

.organization-mark {
  display:grid;
  place-items:center;
  width:24px;
  height:24px;
  margin-top:1px;
}

.organization-mark img {
  display:block;
  width:24px;
  height:24px;
  object-fit:contain;
}

.experience-card {
  display:grid;
  grid-template-columns:24px minmax(0,1fr) auto;
  gap:2px 10px;
  min-width:0;
  padding:12px 16px;
  border:1px solid var(--line);
  border-radius:6px;
  background:transparent;
}

.experience-card .organization-mark {
  grid-column:1;
  grid-row:1 / 3;
}

.experience-company {
  grid-column:2;
  grid-row:1;
  font-size:15px;
  font-weight:600;
  margin:0;
  white-space:nowrap;
}

.experience-role {
  grid-column:2 / -1;
  grid-row:3;
  font-size:14px;
  color:var(--secondary);
  margin:0;
}

/* Compact dates share typography across the timeline and writing list. */
.experience-department {
  grid-column:2 / -1;
  grid-row:2;
  margin:0 0 3px;
  font-size:13px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  overflow-wrap:anywhere;
}

.people-links {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));
  gap:20px 32px;
  list-style:none;
  margin:0;
  padding:0;
}
.people-links a { font-size:15px; font-weight:600; text-decoration:none; }
.people-links a:hover { color:var(--accent); text-decoration:underline; }
.people-links a span { color:var(--muted); font-weight:400; }
.people-links p { margin:4px 0 0; color:var(--muted); font-size:13px; line-height:1.6; }

.dates,.post-list time {
  font-size:12px;
  color:var(--muted);
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}

.experience-card .dates {
  grid-column:3;
  grid-row:1;
  align-self:start;
  margin:2px 0 0;
  text-align:right;
  font-size:11px;
}

/* Content-driven project cards and compact article lists. */
.project-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}

.project-card {
  padding:21px 20px 17px;
  border:1px solid var(--line);
  border-radius:4px;
  background:var(--card);
  box-shadow:inset 0 1px 0 var(--card-highlight), 0 1px 2px var(--card-shadow);
}

.project-card:hover, .project-card:focus-within {
  border-color:var(--accent);
}

.project-card .eyebrow {
  font-size:9px;
  margin-bottom:13px;
}

.project-card :is(h2,h3) {
  font-family:inherit;
  font-size:16px;
  font-weight:700;
  line-height:1.65;
  letter-spacing:-.3px;
  margin:0 0 9px;
}

.project-card :is(h2,h3) a {
  text-decoration:none;
  display:flex;
  justify-content:space-between;
  gap:8px;
}

.project-card :is(h2,h3) span {
  color:var(--accent);
  font-weight:400;
}

.project-card p:not(.eyebrow) {
  font-size:13px;
  line-height:1.75;
  color:var(--secondary);
  margin:0;
}

.project-card .annotation {
  font-size:10px;
  margin-top:19px;
}

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

.post-list li {
  display:flex;
  justify-content:space-between;
  gap:24px;
  padding:15px 0;
  border-bottom:1px solid var(--line);
}

.post-list li:first-child {
  padding-top:0;
}

.post-list li:last-child {
  border-bottom:0;
  padding-bottom:0;
}

.post-list a {
  font-size:15px;
  font-weight:500;
  text-decoration:none;
  color:var(--ink);
}

.post-list p {
  font-size:13px;
  color:var(--secondary);
  margin:4px 0 0;
}

.post-list time {
  padding-top:3px;
}

.sample-label {
  font-size:10px;
  color:var(--muted);
  margin-left:10px;
}

.site-footer {
  display:flex;
  justify-content:space-between;
  border-top:1px solid var(--line);
  padding:23px 0 32px;
  color:var(--muted);
  font-size:11px;
  margin-top:20px;
}

.site-footer a {
  text-decoration:none;
}

/* Reading pages. */
.page-heading {
  padding:54px 0 27px;
}

.page-heading h1 {
  font-size:40px;
  line-height:1.2;
  margin-top:18px;
}

.page-heading p,.page-heading time {
  color:var(--muted);
  font-size:14px;
}

/* Article-only reading tools; project details keep their existing layout. */
.reading-article { width:100%; }
.reading-article .post-heading { padding-bottom:36px; border-bottom:1px solid var(--line); margin-bottom:36px; }
.reading-article .post-heading h1 { font-size:clamp(28px,3vw,38px); line-height:1.35; letter-spacing:-.025em; margin:16px 0; }
.reading-article .post-heading time { color:var(--muted); font-variant-numeric:tabular-nums; }
.reading-article .prose { font-size:17px; line-height:1.85; }
.reading-article .prose h2 { color:var(--accent); font-size:26px; margin:48px 0 20px; letter-spacing:-.015em; }
.reading-article .prose h3 { font-size:21px; margin:32px 0 16px; }
.reading-article .prose h4 { font-size:18px; }
.reading-article .prose :is(h2,h3,h4,h5,h6) { scroll-margin-top:28px; }
.reading-article .prose strong { color:var(--ink); font-weight:650; }
.reading-article .prose li::marker { color:var(--accent); }
.reading-article .prose blockquote { padding:16px 20px; border-radius:0 6px 6px 0; background:var(--card); line-height:1.8; font-size:16px; }
.reading-article .prose th { background:var(--code-bg); }
.reading-article .prose tbody tr:nth-child(even) { background:var(--card); }
.reading-article .prose :not(pre) > code { border:1px solid var(--line); padding:1px 5px; }
.reading-progress { position:fixed; top:var(--reading-header,64px); left:0; width:100%; height:2px; z-index:30; pointer-events:none; }
.reading-progress span { display:block; height:100%; background:var(--accent); transform:scaleX(0); transform-origin:left; }
.reading-sidebar { min-width:0; margin-bottom:32px; }
.reading-toc { border:1px solid var(--line); border-radius:6px; padding:16px 18px; }
.reading-toc summary { color:var(--secondary); cursor:pointer; list-style:none; width:32px; height:32px; display:grid; place-items:center; }
.reading-toc summary::-webkit-details-marker { display:none; }
.reading-toc nav { display:block; font-size:13px; margin-top:16px; }
.reading-toc ul { list-style:none; padding:0; margin:0; }
.reading-toc li { margin:0; }
.reading-toc a { display:block; color:var(--secondary); text-decoration:none; line-height:1.6; overflow-wrap:anywhere; }
.reading-toc nav a { padding:7px 0 7px 12px; border-left:2px solid var(--line); }
.reading-toc .toc-subsection a { padding-left:24px; font-size:12px; }
.reading-toc a:hover { color:var(--accent); }
.reading-toc a[aria-current] { color:var(--accent); border-left-color:var(--accent); font-weight:600; }
.reading-code { margin-bottom:24px; border:1px solid var(--line); border-radius:6px; overflow:hidden; background:var(--code-bg); }
.code-toolbar { display:flex; align-items:center; gap:12px; min-height:38px; padding:4px 14px; border-bottom:1px solid var(--line); font:12px/1.5 Consolas,monospace; color:var(--secondary); }
.code-toolbar > span:first-child { margin-right:auto; }
.code-toolbar button { background:var(--card); border:1px solid var(--line); border-radius:4px; color:var(--secondary); padding:3px 9px; cursor:pointer; font:inherit; }
.code-toolbar button:hover { color:var(--accent); border-color:var(--accent); }
.reading-article .prose .reading-code pre { margin:0; border:0; border-radius:0; }
@media (min-width:1100px) {
  .reading-layout.has-toc { display:grid; grid-template-columns:minmax(0,720px) 220px; gap:clamp(36px,5vw,72px); justify-content:center; align-items:start; }
  .reading-layout.has-toc .reading-article { margin:0 0 55px; }
  .reading-sidebar { position:sticky; top:calc(var(--reading-header,72px) + 32px); }
  .reading-toc { padding:0; border:0; border-radius:0; }
  .reading-toc summary { display:none; }
  .reading-toc nav { margin-top:0; max-height:calc(100dvh - var(--reading-header,72px) - 64px); overflow-y:auto; scrollbar-width:none; }
  .reading-toc nav::-webkit-scrollbar { display:none; }
}
@media (max-width:1099px) {
  .reading-layout { display:flex; flex-direction:column; }
  .reading-sidebar { width:100%; max-width:720px; margin:0 auto 28px; }
}
@media (max-width:600px) {
  .reading-article .prose { font-size:16px; line-height:1.85; }
  .reading-article .prose h2 { font-size:23px; }
  .reading-article .prose h3 { font-size:19px; }
  .reading-article .prose blockquote { padding:14px 16px; }
}
@media print {
  .reading-sidebar,.reading-progress,.code-toolbar { display:none !important; }
  .reading-layout.has-toc,.reading-layout { display:block; }
  .reading-article .prose h2 { color:var(--ink); }
  .reading-code { overflow:visible; }
}

.article {
  max-width:720px;
  margin:0 auto 55px;
}

/* Reading styles are shared by articles and project details, never homepage cards. */
.post-heading {
  padding-bottom: 30px;
}

.post-heading h1 {
  overflow-wrap: anywhere;
}

.post-heading time {
  display: block;
  font-size: 12px;
}

.post-heading .post-description {
  margin: 16px 0 0;
  color: var(--secondary);
  font-size: 16px;
  line-height: 1.75;
}

.prose a { color:var(--accent); }
.prose a:hover { color:var(--accent-strong); }

.prose {
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 1.8;
}

.prose :is(h2,h3,h4,h5,h6) {
  color: var(--ink);
  line-height: 1.4;
  scroll-margin-top: 24px;
}

.prose h2 {
  margin: 36px 0 16px;
  font-size: 25px;
}

.prose h3 {
  margin: 28px 0 12px;
  font-size: 20px;
}

.prose :is(h4,h5,h6) {
  margin: 24px 0 10px;
  font-size: 16px;
}

.prose :is(p,ul,ol,dl,blockquote,figure) {
  margin: 0 0 20px;
}

.prose :is(ul,ol) {
  padding-left: 1.6em;
}

.prose li + li {
  margin-top: 6px;
}

.prose li > :is(ul,ol) {
  margin: 8px 0;
}

.prose li > p {
  margin-bottom: 8px;
}

.prose dt {
  font-weight: 600;
  color: var(--ink);
}

.prose dd {
  margin: 0 0 12px 1.6em;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

.prose blockquote {
  padding: 2px 0 2px 20px;
  border-left: 2px solid var(--accent);
  color: var(--secondary);
}

.prose blockquote > :last-child {
  margin-bottom: 0;
}

.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 24px auto;
}

.prose figure img {
  margin-bottom: 12px;
}

.prose figcaption, .prose .image-caption {
  margin: -8px 0 24px;
  color: var(--secondary);
  font-size: 13px;
  text-align: center;
}

.prose figcaption {
  margin-top: 0;
}

.prose code {
  font-family: Consolas,"SFMono-Regular",monospace;
  font-size: .88em;
}

.prose :not(pre) > code {
  padding: 2px 4px;
  border-radius: 3px;
  background: var(--code-bg);
  color: var(--ink);
  overflow-wrap: anywhere;
}

.prose pre {
  max-width: 100%;
  overflow-x: auto;
  margin: 0 0 24px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--code-bg);
  color: var(--body);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre;
  overflow-wrap: normal;
  tab-size: 4;
}

.prose pre code {
  padding: 0;
  font-size: inherit;
  color: inherit;
  background: none;
}

.prose .highlight {
  min-width: 0;
}

.prose .table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin-bottom: 24px;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.65;
  overflow-wrap: normal;
}

.prose th, .prose td {
  padding: 10px 13px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--code-bg);
  color: var(--ink);
  font-weight: 600;
}

.prose caption {
  margin-bottom: 10px;
  text-align: left;
  color: var(--secondary);
}

.prose pre:focus-visible, .prose .table-scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Rouge tokens: restrained hues on the existing light code surface. */
.highlight :is(.c,.ch,.cd,.cm,.cp,.cpf,.c1,.cs) {
  color: var(--code-comment);
  font-style: italic;
}

.highlight :is(.k,.kc,.kd,.kn,.kp,.kr,.kt,.ow) {
  color: var(--code-keyword);
}

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

.highlight :is(.m,.mb,.mf,.mh,.mi,.il,.mo,.no,.na) {
  color: var(--code-number);
}

.highlight :is(.nb,.nc,.nd,.ne,.nf,.fm,.nn,.nt,.nv,.vc,.vg,.vi,.vm) {
  color: var(--code-name);
}

.highlight :is(.o,.p) {
  color: var(--secondary);
}

.highlight :is(.err,.gd) {
  color: var(--code-deleted);
  background: var(--code-deleted-bg);
}

.highlight .gi {
  color: var(--code-added);
  background: var(--code-added-bg);
}

.highlight :is(.ge,.ges) {
  font-style: italic;
}

.highlight :is(.gs,.ges,.gh,.gu) {
  font-weight: 600;
}

.notice {
  font-size:13px;
  line-height:1.7;
  padding:15px 18px;
  border-left:2px solid var(--accent);
  background:var(--notice-bg);
  margin-bottom:28px;
  color:var(--notice-text);
}

.skip-link {
  position:absolute;
  left:12px;
  top:-100px;
  background:var(--paper);
  padding:12px;
  z-index:40;
}

.skip-link:focus {
  top:10px;
}

/* Responsive overrides, grouped by breakpoint. */
@media(min-width:901px) and (max-width:1100px) {
  .home-layout {
    grid-template-columns:230px minmax(0,1fr);
    gap:44px;
  }
  .home-content .project-grid {
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media(max-width:900px) {
  .sidebar-character {
    display:none;
  }
  .home-layout {
    grid-template-columns:1fr;
    gap:34px;
    padding-top:36px;
  }
  .profile-sidebar {
    position:static;
    max-height:none;
    overflow:visible;
    display:grid;
    grid-template-columns:100px minmax(0,1fr);
    column-gap:26px;
    padding:0 0 30px;
    border-bottom:1px solid var(--line);
  }
  .portrait {
    grid-column:1;
    grid-row:1 / 5;
    width:100px;
    height:100px;
    margin:0;
  }
  .profile-sidebar h1 {
    grid-column:2;
    margin-bottom:12px;
  }
  .profile-sidebar .education,.profile-sidebar .annotation,.profile-sidebar .contact-links {
    grid-column:2;
  }
  .profile-sidebar .contact-links {
    border-top:0;
    padding-top:0;
    margin-top:15px;
  }
}

@media(max-width:700px) {
  .experience-publications {
    grid-template-columns:minmax(0,1fr);
    gap:0;
  }
  .experience-publications>.publications-section {
    border-top:1px solid var(--line);
  }
  .shell,.home-page .shell {
    width:calc(100% - 40px);
  }
  .project-grid {
    grid-template-columns:1fr;
  }
  .project-card {
    padding:19px 20px;
  }
  .project-card .annotation {
    margin-top:10px;
  }
  .section-heading {
    margin-bottom:20px;
  }
}

@media(max-width:420px) {
  .header-tools { gap:10px; }
  .timeline {
    --event-y:44px;
  }
  .experience-card .dates {
    grid-column:1 / -1;
    grid-row:1;
    margin:0;
  }
  .experience-card .organization-mark {
    grid-row:2 / 4;
  }
  .experience-company {
    grid-column:2 / -1;
    grid-row:2;
  }
  .experience-role {
    grid-row:4;
  }
  .experience-department {
    grid-row:3;
  }
  .shell,.home-page .shell {
    width:calc(100% - 32px);
  }
  nav {
    gap:18px;
  }
  .home-layout {
    padding-top:30px;
    gap:28px;
  }
  .profile-sidebar {
    grid-template-columns:72px minmax(0,1fr);
    column-gap:18px;
    padding-bottom:26px;
  }
  .portrait {
    width:72px;
    height:72px;
  }
  .profile-sidebar h1 {
    font-size:30px;
    letter-spacing:-.8px;
  }
  .profile-sidebar .education {
    font-size:12px;
    line-height:1.7;
  }
  .education-row {
    gap:7px;
  }
  .education-row img {
    flex-basis:18px;
    width:18px;
    height:18px;
    margin-top:1px;
  }
  .experience-card {
    padding:11px 13px;
  }
  .experience-role {
    font-size:13px;
  }
  .post-list li {
    display:block;
  }
  .post-list time {
    display:block;
    margin-top:9px;
  }
  .page-heading h1 {
    font-size:33px;
  }
  .contact-links {
    gap:22px;
  }
}

@media print {
  .sidebar-character { display:none; }
  .site-header { position:static; background:transparent; -webkit-backdrop-filter:none; backdrop-filter:none; }
  :root { color-scheme:light !important; --paper:#fff; --card:#fff; }
  .theme-toggle { display:none !important; }
  .prose pre { white-space:pre-wrap; overflow-wrap:anywhere; overflow:visible; }
  .prose .table-scroll { overflow:visible; }
  .prose table { font-size:11px; overflow-wrap:anywhere; }
  .skip-link,nav,.site-footer {
    display:none;
  }
  .shell,.home-page .shell {
    width:100%;
  }
  body {
    background:white;
  }
  .project-card {
    box-shadow:none;
    break-inside:avoid;
  }
  .home-layout {
    display:block;
    padding-top:20px;
  }
  .profile-sidebar {
    position:static;
    max-height:none;
    overflow:visible;
    margin-bottom:28px;
  }
}