/* Paper, ink and paste: shared materials across every page. */
:root { --paper: #beac86; --sheet: #e5d7b5; --sheet-alt: #d9c8a3; --surface: #d0bd95; --ink: #30291e; --body: #493f2f; --muted: #5c4d35; --line: #a48c67; --accent: #873b2c; --accent-soft: #d5b88a; --edge-shadow: #51422a30; --ground-sheet: #d4c4a0; --ground-opacity: .42; --print-filter: sepia(.6) contrast(1.1); --print-blend: multiply; --photo-filter: grayscale(1) sepia(.55) contrast(1.1); }
@media (prefers-color-scheme: dark) { :root:not([data-theme=light]) { --paper: #25221b; --sheet: #342e24; --sheet-alt: #3b3327; --surface: #443c2d; --ink: #e9dfc1; --body: #d4c9aa; --muted: #b5a584; --line: #766348; --accent: #e2ad72; --accent-soft: #554631; --edge-shadow: #0d0b0890; --ground-sheet: #3b3528; --ground-opacity: .4; --print-filter: invert(1) sepia(.8) saturate(.7) brightness(.84); --print-blend: screen; --photo-filter: grayscale(1) sepia(.65) brightness(.8) contrast(1.12); } }
:root[data-theme=dark] { --paper: #25221b; --sheet: #342e24; --sheet-alt: #3b3327; --surface: #443c2d; --ink: #e9dfc1; --body: #d4c9aa; --muted: #b5a584; --line: #766348; --accent: #e2ad72; --accent-soft: #554631; --edge-shadow: #0d0b0890; --ground-sheet: #3b3528; --ground-opacity: .4; --print-filter: invert(1) sepia(.8) saturate(.7) brightness(.84); --print-blend: screen; --photo-filter: grayscale(1) sepia(.65) brightness(.8) contrast(1.12); }
body { position: relative; isolation: isolate; background-color: var(--paper); background-image: url('/images/obsession/paper-fibers.svg'), repeating-linear-gradient(0deg,transparent 0 27px,color-mix(in srgb,var(--line) 20%,transparent) 27px 28px), repeating-linear-gradient(90deg,transparent 0 27px,color-mix(in srgb,var(--line) 17%,transparent) 27px 28px); background-size: 512px 512px, 28px 28px, 28px 28px; background-position: left top; }
html { scrollbar-color: var(--muted) var(--paper); }
body::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(91deg,transparent 17%,#0001 17.2%,#fff1 17.5%,transparent 18%), linear-gradient(179deg,transparent 620px,#0002 623px,#fff1 627px,transparent 630px); background-size: 100% 1250px; }
.archive-ground { position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.archive-ground::before { content: ''; position: absolute; inset: 0; background-image: url('/images/obsession/registration-marks.svg'); background-size: 800px 1100px; background-position: center top; filter: var(--print-filter); mix-blend-mode: var(--print-blend); opacity: .4; }
.ground-sheet { position: absolute; width: 360px; min-height: 300px; padding: 22px; background: var(--ground-sheet); background-image: url('/images/obsession/paper-fibers.svg'); border: 1px solid color-mix(in srgb,var(--line) 60%,transparent); box-shadow: 3px 7px 0 var(--edge-shadow); }
.ground-sheet img { display: block; width: 100%; filter: var(--print-filter); mix-blend-mode: var(--print-blend); opacity: var(--ground-opacity); }
.ground-sheet-a { left: -140px; top: -125px; transform: rotate(-17deg); }
.ground-sheet-b { right: -90px; top: 48px; min-height: 0; transform: rotate(14deg); width: 380px; }
.ground-sheet-c { right: -145px; top: 1420px; transform: rotate(-14deg); width: 380px; }
.ground-sheet-d { left: -140px; top: 2080px; transform: rotate(12deg); }
.ground-diagram { position: absolute; filter: var(--print-filter); mix-blend-mode: var(--print-blend); opacity: .3; width: 420px; }
.ground-lorenz { top: 720px; left: -100px; transform: rotate(-16deg); }
.ground-rings { top: 970px; right: -100px; transform: rotate(20deg); }
.ground-gradient { top: 2580px; right: -120px; transform: rotate(-24deg); }
.ground-annotation { position: absolute; color: var(--accent); opacity: .75; font: italic 19px/1.5 var(--serif); letter-spacing: 1px; }
.annotation-a { top: 450px; right: 8px; writing-mode: vertical-rl; transform: rotate(-4deg); font: 10px/1.5 var(--mono); }
.annotation-b { top: 1420px; left: -18px; transform: rotate(-90deg); }
.annotation-c { top: 2800px; right: -4px; transform: rotate(-90deg); }

.site-layout { position: relative; display: block; max-width: 1380px; padding-inline: 48px; }
.masthead { display: flex; align-items: center; gap: 30px; margin: 25px -8px 0; padding: 14px 10px; }
.masthead-brand { display: flex; align-items: baseline; flex-shrink: 0; gap: 3px; font: 900 29px/1 var(--sans); letter-spacing: -1.8px; transform: rotate(-2deg); padding: 12px 15px; background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); box-shadow: 3px 4px 0 var(--edge-shadow); }
.masthead-brand span { color: var(--accent); font: 400 40px/.5 var(--mono); }
.masthead-note { margin: 0; padding: 6px 8px; background: var(--sheet-alt); transform: rotate(2deg); color: var(--muted); font: 10px/1.65 var(--mono); }
.main-nav { display: flex; gap: 10px; margin-left: auto; }
.main-nav a { position: relative; display: flex; gap: 6px; align-items: baseline; padding: 8px 12px; color: var(--body); border: 1px solid var(--line); background: var(--sheet-alt); box-shadow: 2px 2px 0 var(--edge-shadow); font: 600 12px/1.5 var(--mono); }
.main-nav a:nth-child(even) { transform: rotate(2deg); }
.main-nav a:nth-child(odd) { transform: rotate(-1deg); }
.main-nav a:hover { color: var(--accent); border-color: var(--accent); }
.main-nav a[aria-current=page] { color: var(--sheet); background: var(--ink); border-color: var(--ink); text-decoration: none; }
.main-nav a[aria-current=page] .nav-number { color: inherit; }
.nav-number { display: inline; color: var(--muted); font-size: 8px; }
.theme-toggle { margin-left: 8px; padding: 8px 0 8px 18px; border-left: 1px solid var(--line); font: 10px/1.5 var(--mono); white-space: nowrap; }
.index-rail { display: flex; align-items: center; gap: 36px; min-height: 43px; margin: 16px 0 8px; padding: 2px 16px; border: 1px dashed var(--line); background: var(--sheet-alt); background-image: url('/images/obsession/paper-fibers.svg'); transform: rotate(.2deg); box-shadow: 2px 3px 0 var(--edge-shadow); }
.rail-label, .rail-github { flex-shrink: 0; color: var(--muted); font: 9px/1.5 var(--mono); letter-spacing: .5px; }
.rail-label>span { margin-left: 12px; }
.topic-nav { display: flex; gap: 25px; }
.topic-nav a { gap: 8px; padding: 9px 0; font-size: 10px; }
.topic-count { font-size: 9px; }
.rail-github { margin-left: auto; }
main { padding-top: 26px; }
.eyebrow { margin: 0 0 20px; color: var(--accent); font: 10px/1.5 var(--mono); letter-spacing: 1.4px; }
.page-head { position: relative; isolation: isolate; background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); min-height: 280px; padding: 29px 28px 43px; margin: 0 0 32px; border: 1px solid var(--line); box-shadow: 5px 6px 0 var(--edge-shadow); overflow: clip; }
.page-head-copy { position: relative; z-index: 2; width: 58%; }
.page-head h1 { font: 850 clamp(54px, 7.5vw, 104px)/.94 var(--sans); letter-spacing: -.065em; text-transform: uppercase; }
.page-head h1>span[lang=zh-CN] { font-size: .73em; font-weight: 750; letter-spacing: -.05em; }
.page-head .lead { max-width: 50ch; margin-top: 25px; font-size: 14px; }
.page-references { position: absolute; inset: 0 0 0 50%; pointer-events: none; }
.reference-piece { position: absolute; max-width: none; height: auto; }
.reference-scan, .reference-linework { filter: var(--print-filter); mix-blend-mode: var(--print-blend); }
.reference-cover { filter: saturate(.62) sepia(.25) brightness(.87); }
.reference-portrait { filter: var(--photo-filter); mask-image: linear-gradient(#000 70%,transparent); }
.reference-film { opacity: .85; }
.piece-1 { width: 49%; left: 4%; top: -22%; transform: rotate(-18deg); opacity: .4; }
.piece-2 { width: 32%; left: 33%; top: 12%; transform: rotate(-12deg); }
.piece-3 { width: 26%; right: 0; top: -4%; transform: rotate(8deg); }
.piece-4 { width: 30%; left: 62%; top: 50%; transform: rotate(15deg); }
.piece-5 { width: 50%; left: 4%; top: 45%; transform: rotate(-8deg); opacity: .7; }
.references-projects .piece-2 { width: 53%; left: 21%; top: 8%; }
.references-projects .piece-3 { width: 25%; }
.references-projects .piece-4 { width: 47%; left: 46%; top: 72%; }
.references-about .piece-2 { width: 26%; left: 52%; top: 3%; }
.references-about .piece-3 { width: 65%; right: 8%; top: 44%; opacity: .7; }
.references-about .piece-4 { opacity: .5; }
.references-cv .reference-piece { opacity: .4; }
.references-cv .piece-1 { width: 90%; left: 1%; top: 25%; }
.references-cv .piece-2 { width: 60%; left: 35%; top: -3%; }
.content-section { margin-top: 58px; }
.section-head { align-items: baseline; padding: 15px 20px; border: 0; background: var(--sheet-alt); box-shadow: 3px 3px 0 var(--edge-shadow); }
.section-head h2 { gap: 20px; font: 800 33px/1.1 var(--sans); letter-spacing: -1.3px; text-transform: uppercase; }
.section-number { font: 10px/1.5 var(--mono); letter-spacing: .5px; }
.section-head>a { font-size: 11px; }
.subject-index { border: 0; gap: 9px; margin: 18px 4px; }
.subject-index>a { padding: 18px 20px 20px; border: 1px solid var(--line); background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); box-shadow: 2px 3px 0 var(--edge-shadow); }
.subject-index>a:nth-child(even) { top: 5px; }
.subject-index>a:last-child { border-right: 1px solid var(--line); }
.subject-index>a:first-child { padding-left: 20px; }
.subject-index-top { margin-bottom: 10px; }
.subject-index-top>span:first-child { font-size: 10px; }
.subject-index strong { font-size: 17px; font-weight: 650; }
.subject-name { font-size: 9px; }
.list-caption { margin: 30px 0 6px 22px; color: var(--body); font: 9px/1.5 var(--mono); letter-spacing: 1.5px; }
.post { grid-template-columns: 124px minmax(0, 1fr); gap: 30px; padding: 29px 25px; margin: 19px 0; border: 0; }
.post.has-thumbnail { grid-template-columns: 124px minmax(0, 1fr) 200px; gap: 30px; }
.post h3, .compact .post h3 { font-size: 22px; font-weight: 650; line-height: 1.5; }
.post-summary { max-width: 75ch; font-size: 14px; }
.post-date { font-size: 10px; }
.post-category { margin-bottom: 7px; }
.post-thumbnail { border: 0; border-radius: 0; background: transparent; }
.post-thumbnail img { height: 123px; filter: saturate(.74); }
.post:hover .post-title { color: var(--accent); }
.project { grid-template-columns: 124px minmax(0, 1fr); gap: 30px; padding: 29px 25px; margin: 19px 0; border: 0; }
.project-number { font: 700 33px/1.3 var(--sans); letter-spacing: -2px; color: var(--muted); }
.project h3 { font: 700 24px/1.5 var(--mono); letter-spacing: -.8px; }
.project p { max-width: 80ch; font-size: 14px; }
.project .project-tags { font-size: 10px; }
.project.has-preview { grid-template-columns: 124px minmax(0, 1fr) minmax(220px, 28%); gap: 30px; }
.project-preview { min-width: 0; margin: 5px 0 0; padding: 7px; align-self: start; background: var(--surface); box-shadow: 3px 4px 0 var(--edge-shadow); transform: rotate(1.5deg); }
.project:nth-child(even) .project-preview { transform: rotate(-1.5deg); }
.project-preview img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: contain; background: #080c12; filter: saturate(.84); }
.project-preview figcaption { padding: 8px 3px 3px; color: var(--body); font: 10px/1.6 var(--mono); }
.archive-heading { padding-top: 23px; }
.category-section { margin-top: 46px; }
.category-heading { padding: 13px 20px; border: 0; background: var(--sheet-alt); box-shadow: 3px 3px 0 var(--edge-shadow); }
.category-heading h2 { font-size: 23px; font-weight: 700; }
.category-heading>div { gap: 18px; }
.category-english, .category-total { font-size: 10px; }
.compact .post { padding-block: 25px; }
.prose { max-width: 800px; padding: 30px; background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); box-shadow: 4px 5px 0 var(--edge-shadow); }
.page-about .prose, .image-credits { margin-left: 154px; }
.prose h2 { font: 700 23px/1.4 var(--sans); letter-spacing: -.7px; }
.cv-heading { align-items: center; }
.cv-heading .pdf-download { position: relative; z-index: 3; }
.cv-document { max-width: 1120px; margin: 8px auto 0; padding: 0 30px; background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); border: 1px solid var(--line); box-shadow: 5px 6px 0 var(--edge-shadow); }
.cv-section { grid-template-columns: 124px minmax(0, 1fr); gap: 30px; padding-block: 30px; }
.cv-section>h2 { color: var(--accent); font-size: 10px; text-transform: uppercase; letter-spacing: .6px; }
.cv-content { font-size: 15px; }
.cv-content h3 { font-size: 19px; }
.institution-logo { border-radius: 0; }
.article { max-width: 1136px; margin: 12px auto; padding: 32px 38px; background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); border: 1px solid var(--line); box-shadow: 5px 7px 0 var(--edge-shadow); }
.article-head { padding: 0 0 33px; border-bottom-color: var(--ink); }
.article-head h1 { max-width: 28ch; font-weight: 700; text-wrap: balance; }
.article-head .lead { max-width: 740px; }
.metadata { color: var(--accent); font-size: 10px; letter-spacing: .4px; }
.reading-layout { max-width: 740px; }
.reading-layout.has-contents { max-width: 1060px; grid-template-columns: minmax(0, 740px) minmax(150px, 1fr); gap: 54px; }
.article-contents { order: 0; position: sticky; top: 30px; align-self: start; margin: 0; }
.toc { padding-top: 17px; border-top-color: var(--ink); }
.toc summary { color: var(--accent); text-transform: uppercase; font-size: 10px; }
.site-footer { padding: 18px 20px; margin: 44px 0 28px; border: 1px dashed var(--line); background: var(--sheet-alt); box-shadow: 3px 3px 0 var(--edge-shadow); }

.post, .project { position: relative; isolation: isolate; }
.post::after, .project::after { content: ''; position: absolute; top: -7px; left: 36%; width: 58px; height: 15px; transform: rotate(-4deg); background: color-mix(in srgb,var(--surface) 75%,transparent); border-inline: 1px dashed var(--line); pointer-events: none; }
.post:nth-child(even)::after, .project:nth-child(even)::after { left: 64%; transform: rotate(6deg); }
.post::before, .project::before { content: ''; position: absolute; z-index: -1; inset: 0; background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); border: 1px solid var(--line); box-shadow: 3px 5px 0 var(--edge-shadow); transform: rotate(-.25deg); }
.post:nth-child(even), .project:nth-child(even) { margin-left: 13px; margin-right: 3px; }
.post:nth-child(even)::before, .project:nth-child(even)::before { transform: rotate(.3deg); background-color: var(--sheet-alt); }
.post-date { align-self: start; padding: 7px 8px; border-block: 1px dashed var(--line); }
.post-thumbnail { padding: 5px; background: var(--surface); box-shadow: 2px 3px 0 var(--edge-shadow); transform: rotate(2deg); }
.post:nth-child(even) .post-thumbnail { transform: rotate(-2deg); }
.project-number { color: var(--accent); }
.archive-heading { padding: 16px 14px 2px; color: var(--body); }
.empty { padding: 22px; margin-top: 18px; background: var(--sheet); }
.github-calendar { padding: 22px; background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); border: 1px dashed var(--line); box-shadow: 4px 4px 0 var(--edge-shadow); }
.breadcrumb { padding: 4px 10px; margin-bottom: 20px; background: var(--sheet-alt); color: var(--body); }
.page-projects .back { padding: 10px 16px; background: var(--sheet); width: fit-content; }
.theme-toggle { min-height: 36px; min-width: 60px; }
.main-nav a { min-height: 36px; align-items: center; }
.topic-nav a { min-height: 34px; }
.hero-links a { display: inline-flex; align-items: center; min-height: 32px; }
.article-body { font-size: 17px; line-height: 1.95; }
.article-body :is(.katex-display,eq,pre,.table-scroll) { scrollbar-width: thin; scrollbar-color: var(--muted) var(--surface); }
.article-body eq { display: inline-block; max-width: 100%; overflow-x: auto; overflow-y: hidden; vertical-align: middle; line-height: 1.3; padding-block: .15em .35em; }
.toc { font-size: 13px; line-height: 1.65; }
.toc a { display: block; min-height: 32px; padding-block: 5px; }
.toc li { padding-block: 1px; }
.article-body [data-reader-overflow] { border-bottom: 1px dashed var(--line); }
.article-body [data-reader-overflow]:focus-visible, .article-body :is(h2,h3,h4,h5,h6):focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.article-body .katex-display[data-reader-overflow]::after { content: 'SCROLL →'; display: block; position: sticky; left: 0; width: max-content; margin-top: 12px; color: var(--muted); font: 10px/1.4 var(--mono); letter-spacing: .5px; }
.cv-entry+.cv-entry { margin-top: 28px; }
.project-copy { min-width: 0; }
.project h3 a { overflow-wrap: anywhere; }
.project .project-kind { margin: 0 0 7px; color: var(--accent); font: 11px/1.5 var(--mono); letter-spacing: .6px; text-transform: uppercase; }
.project .project-note { margin-top: 13px; padding-left: 12px; border-left: 2px solid var(--line); color: var(--body); font-size: 13px; }
.project-links { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 14px; }
.project-links a { display: inline-flex; gap: 7px; align-items: center; min-height: 36px; color: var(--accent); font: 12px/1.5 var(--mono); text-decoration: underline; text-underline-offset: 4px; }
.project-jumps { display: flex; flex-wrap: wrap; gap: 10px 28px; padding: 10px 18px; border-block: 1px dashed var(--line); background: var(--sheet-alt); }
.project-jumps a { display: inline-flex; align-items: center; gap: 12px; min-height: 36px; font: 12px/1.5 var(--mono); }
.project-jumps span, .project-total { color: var(--muted); font: 11px/1.5 var(--mono); }
.project-group { margin-top: 38px; }
.project-group .section-head h2 { font-size: clamp(23px, 3vw, 32px); }
.project-group h2:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
.notes-intro { margin: 20px 20px 12px; color: var(--body); font-size: 14px; }
.study-notes { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin: 18px 0 28px; }
.study-notes li { padding: 24px; background: var(--sheet); background-image: url('/images/obsession/paper-fibers.svg'); border: 1px dashed var(--line); box-shadow: 3px 4px 0 var(--edge-shadow); }
.study-notes li:nth-child(even) { background-color: var(--sheet-alt); }
.study-notes h3 { margin: 0; font: 700 19px/1.5 var(--mono); }
.study-notes h3 a { display: flex; justify-content: space-between; gap: 14px; }
.study-notes p { color: var(--body); font-size: 14px; line-height: 1.8; margin: 12px 0 0; }
@media (max-width: 600px) {
  .project-jumps { gap: 2px 20px; padding: 10px 13px; }
  .project .project-note { font-size: 13px; }
  .project .project-kind { font-size: 10px; }
  .project-group .section-head h2 { font-size: 23px; }
  .study-notes { grid-template-columns: 1fr; gap: 14px; }
  .study-notes li { padding: 20px 17px; }
  .notes-intro { margin-inline: 13px; }
}
@media (max-width: 1120px) {
  .site-layout { padding-inline: 32px; }
  .masthead { gap: 20px; padding-inline: 17px; }
  .masthead-note { display: none; }
  .main-nav { gap: 8px; }
  .page-head { min-height: 250px; }
  .post.has-thumbnail { grid-template-columns: 100px minmax(0, 1fr) 165px; gap: 24px; }
  .post, .project, .cv-section { grid-template-columns: 100px minmax(0, 1fr); gap: 24px; }
  .project.has-preview { grid-template-columns: 100px minmax(0, 1fr) 220px; gap: 24px; }
  .post-thumbnail img { height: 108px; }
  .page-about .prose, .image-credits { margin-left: 124px; }
  .reading-layout.has-contents { gap: 30px; }
}
@media (max-width: 860px) {
  .site-layout { max-width: 1380px; padding-inline: 26px; }
  .masthead { flex-wrap: wrap; gap: 15px; padding: 17px 13px; }
  .masthead-brand { font-size: 24px; }
  .main-nav { gap: 6px; }
  .main-nav a { font-size: 11px; padding: 7px 9px; }
  .nav-number { display: none; }
  .theme-toggle { margin-left: 0; padding-left: 13px; }
  .index-rail { gap: 20px; }
  .rail-label { display: none; }
  .topic-nav { flex: 1; justify-content: space-between; gap: 15px; }
  .rail-github { display: none; }
  main { padding-top: 30px; }
  .page-head { min-height: 230px; padding-top: 24px; }
  .page-head h1 { font-size: 65px; }
  .page-head-copy { width: 62%; }
  .page-head .lead { font-size: 13px; }
  .page-references { left: 48%; }
  .subject-index>a, .subject-index>a:first-child { padding-inline: 12px; }
  .subject-index strong { font-size: 15px; }
  .subject-name { font-size: 8px; }
  .post.has-thumbnail { grid-template-columns: 90px minmax(0, 1fr) 145px; gap: 20px; }
  .post, .project, .cv-section { grid-template-columns: 90px minmax(0, 1fr); gap: 20px; }
  .project.has-preview { grid-template-columns: 90px minmax(0, 1fr); gap: 20px; }
  .project-preview { grid-column: 2; width: min(100%, 350px); justify-self: end; }
  .post h3, .compact .post h3 { font-size: 20px; }
  .post-summary { font-size: 14px; }
  .project h3 { font-size: 21px; }
  .page-about .prose, .image-credits { margin-left: 0; }
  .reading-layout.has-contents { grid-template-columns: minmax(0, 1fr); max-width: 740px; }
  .article-contents { order: -1; position: static; margin-bottom: 24px; }
}
@media (min-width: 601px) and (max-width: 700px) {
  .masthead { display: grid; grid-template-columns: 1fr auto; }
  .masthead-brand { justify-self: start; }
  .main-nav { grid-column: 1 / -1; grid-row: 2; width: 100%; margin: 0; justify-content: space-between; }
  .theme-toggle { grid-column: 2; grid-row: 1; }
}
@media (max-width: 600px) {
  .site-layout { padding-inline: 17px; }
  .masthead { display: grid; grid-template-columns: 1fr auto; gap: 18px; margin: 14px 0 0; padding: 8px 0; }
  .masthead-brand { width: max-content; font-size: 26px; padding: 10px 12px; }
  .main-nav { grid-column: 1 / -1; grid-row: 2; width: 100%; margin: 0; justify-content: space-between; gap: 5px; }
  .main-nav a { font-size: 10px; padding: 7px 6px; }

  .theme-toggle { grid-column: 2; grid-row: 1; padding-block: 4px; font-size: 10px; }
  .topic-nav { gap: 7px; }
  .topic-nav a { font-size: 10px; gap: 4px; }
  .index-rail { min-height: 40px; padding-inline: 7px; margin-block: 13px 8px; }
  main { padding-top: 25px; }
  .page-head { min-height: 242px; padding: 23px 16px 30px; margin-bottom: 24px; }
  .page-head h1 { font-size: clamp(46px, 11vw, 63px); }
  .page-head-copy { width: 100%; }
  .page-head .eyebrow { position: relative; font-size: 8px; margin-bottom: 22px; }
  .page-head .lead { width: 82%; margin-top: 26px; font-size: 13px; background: var(--sheet); }
  .page-references { inset: 0 -5% 0 35%; }
  .page-references .reference-piece { opacity: .26; }
  .page-head h1 { width: max-content; max-width: 100%; background: var(--sheet); }
  .references-cv .reference-piece { opacity: .2; }
  .content-section { margin-top: 39px; }
  .section-head { padding: 13px 12px; gap: 10px; }
  .section-head h2 { font-size: 26px; letter-spacing: -.8px; gap: 13px; }
  .section-head>a { font-size: 9px; }
  .subject-index { gap: 5px; margin-inline: 0; }
  .subject-index>a, .subject-index>a:first-child { padding: 13px 5px 15px; }
  .subject-index strong { font-size: 12px; letter-spacing: 0; }
  .subject-index-top { margin-bottom: 10px; }
  .subject-name { display: none; }
  .list-caption { margin-top: 22px; font-size: 8px; }
  .post { grid-template-columns: 1fr; gap: 13px; padding: 21px 13px; }
  .post:nth-child(even), .project:nth-child(even) { margin-inline: 0; }
  .post.has-thumbnail { grid-template-columns: minmax(0, 1fr) 92px; gap: 12px; }
  .has-thumbnail .post-date { grid-column: 1 / -1; }
  .has-thumbnail .post-content { display: contents; }
  .has-thumbnail .post-date { grid-row: 1; }
  .has-thumbnail .post-category { grid-column: 1; grid-row: 2; margin-bottom: 0; }
  .has-thumbnail h3 { grid-column: 1; grid-row: 3; }
  .has-thumbnail .post-summary { grid-column: 1 / -1; grid-row: 4; }
  .has-thumbnail .post-thumbnail { grid-column: 2; grid-row: 2 / span 2; }
  .post-date { flex-direction: row; gap: 14px; font-size: 9px; width: fit-content; padding: 4px 0; }
  .post h3, .compact .post h3 { font-size: 19px; }
  .post-thumbnail img { height: 69px; }
  .post-summary { font-size: 14px; line-height: 1.8; }
  .post-thumbnail { align-self: start; margin-top: 5px; }
  .project { grid-template-columns: 30px minmax(0, 1fr); gap: 14px; padding: 22px 13px; }
  .project.has-preview { grid-template-columns: 30px minmax(0, 1fr); gap: 14px; }
  .project-preview { grid-column: 1 / -1; width: 100%; }
  .project-number { font-size: 22px; letter-spacing: -1px; }
  .project h3 { font-size: 17px; letter-spacing: -.6px; }
  .project p { font-size: 14px; }
  .project .project-tags { font-size: 9px; }
  .category-heading h2 { font-size: 21px; }
  .category-section { margin-top: 33px; }
  .category-english { display: none; }
  .cv-section { grid-template-columns: 1fr; gap: 15px; padding-block: 25px; }
  .cv-content { font-size: 15px; }
  .cv-content h3 { font-size: 18px; }
  .cv-institution { grid-template-columns: 1fr; gap: 18px; }
  .institution-logo { grid-row: 1; width: 142px; }
  .article { margin-inline: -6px; padding: 24px 11px; }
  .cv-document { padding-inline: 15px; }
  .prose { padding: 22px 17px; }
  .github-calendar { padding: 17px 12px; }
  .ground-sheet { width: 240px; }
  .ground-sheet-a { left: -130px; }
  .ground-sheet-b { right: -150px; }
  .ground-annotation { display: none; }
  .article-head { padding-bottom: 26px; }
  .article-head h1 { font-size: 28px; }
  .article-head .lead { font-size: 14px; }
  .article-body { font-size: 16px; line-height: 1.95; }
  .site-footer { gap: 13px; margin-top: 40px; font-size: 9px; }
  .site-footer>div { gap: 15px; }
}
.archive-tools { margin: 25px 0 0; min-height: 118px; padding: 16px 20px; background: var(--sheet-alt); background-image: url('/images/obsession/paper-fibers.svg'); border: 1px dashed var(--line); box-shadow: 3px 3px 0 var(--edge-shadow); }
.archive-search label { display: block; color: var(--accent); font: 11px/1.5 var(--mono); letter-spacing: 1px; margin-bottom: 8px; }
.search-input-row { display: flex; gap: 10px; max-width: 670px; }
.archive-search input { width: 100%; min-width: 0; min-height: 42px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 0; background: var(--sheet); color: var(--ink); font: 16px/1.5 var(--sans); }
.archive-search input:focus-visible, .archive-search button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.archive-search input::placeholder { color: var(--muted); opacity: 1; }
.archive-search button { padding: 8px 14px; min-height: 42px; border: 1px solid var(--line); background: var(--ink); color: var(--sheet); font: 12px/1.5 var(--mono); cursor: pointer; }
.archive-search button:disabled { color: var(--muted); background: var(--sheet); cursor: default; }
.archive-search [role=status], .search-fallback { margin: 9px 0 0; color: var(--body); font: 12px/1.6 var(--mono); }
.search-fallback { max-width: 670px; margin-block: 18px; }
.search-empty { padding: 22px 20px; color: var(--ink); background: var(--sheet); border: 1px solid var(--line); }
.post[hidden], .category-section[hidden], .archive-search[hidden], .search-empty[hidden], .search-fallback[hidden] { display: none; }
@media (max-width: 600px) { .archive-tools { padding: 15px 13px; min-height: 132px; } .search-input-row { gap: 7px; } .archive-search button { padding-inline: 11px; } }
@media print {
  @page { margin: 16mm; }
  .article-body .katex-display[data-reader-overflow]::after { display: none; }
  .archive-tools, .search-empty { display: none; }
  .project-jumps { display: none; }
  .project-preview { display: none; }
  .project-group { margin-top: 20px; }
  .project-group .section-head { display: block; padding: 0 0 10px; break-after: avoid; }
  .project-group .section-head h2 { display: block; font-size: 14pt; letter-spacing: 0; }
  .project-group .section-number { margin-right: 8px; }
  .project-total, .project-number, .project::before, .project::after { display: none; }
  .project, .project:nth-child(even) { display: block; padding: 0 0 12px; margin: 0 0 14px; border-bottom: 1px solid var(--line); break-inside: avoid; }
  .project h3 { font-size: 11pt; letter-spacing: 0; }
  .project h3 a { display: inline; }
  .project p { font-size: 10pt; line-height: 1.5; margin-top: 6px; }
  .project .project-kind { font-size: 8pt; margin-bottom: 4px; }
  .project .project-note { font-size: 9pt; margin-top: 7px; }
  .project .project-tags { font-size: 8pt; margin-top: 6px; }
  .project-links { display: block; margin-top: 6px; }
  .project-links a { display: inline; min-height: 0; font-size: 9pt; }
  .study-notes { display: block; }
  .study-notes li { padding: 10px 0; background: white; box-shadow: none; border: 0; break-inside: avoid; }
  .study-notes h3 { font-size: 11pt; }
  .study-notes p, .notes-intro { font-size: 10pt; }
  .notes-intro { margin: 0 0 8px; }
  .site-layout { padding: 0; padding-inline: 0; max-width: none; }
  .masthead, .index-rail, .page-references, .archive-ground, body::before, .post::after, .project::after { display: none; }
  body, .article, .prose, .cv-document, .page-head, .post::before, .project::before { background: white; box-shadow: none; border: 0; }
  .article, .prose, .cv-document { padding: 0; }
  main { padding: 0; }
  .page-head { min-height: 0; padding: 0 0 25px; }
  .page-head-copy { width: 100%; }
  .page-head h1 { font-size: 42px; }
  .article { max-width: none; }
  .reading-layout.has-contents { display: block; max-width: none; }
  .article-head { margin-bottom: 16px; padding-bottom: 16px; }
  .article-head h1 { font-size: 20pt; line-height: 1.4; max-width: none; }
  .article-head .lead { font-size: 10pt; line-height: 1.6; }
  .article-body { font-size: 11pt; line-height: 1.65; }
  .article-body p { margin-block: .85em; orphans: 3; widows: 3; }
  .article-body :is(h2,h3,h4,h5,h6) { break-after: avoid; }
  .article-body h2 { font-size: 15pt; }
  .article-body h3 { font-size: 13pt; }
  .article-body blockquote { margin-block: 14px; background: none; }
  .article-body hr { margin-block: 20px; }
  .article-body img { max-height: 230mm; width: auto; object-fit: contain; margin: 12px auto; }
  .article-body .katex-display { overflow: visible; break-inside: avoid; margin: 1em 0; padding: 6px 0; border: 0; }
  .article-body .katex-display>.katex { width: auto; min-width: 0; }
  .article-body eq { display: inline; max-width: none; overflow: visible; padding: 0; vertical-align: baseline; }
  .article-body pre { white-space: pre-wrap; overflow: visible; break-inside: avoid; break-after: avoid; padding: 12px; font-size: 9pt; line-height: 1.5; }
  .article-body p:has(+ pre) { break-after: avoid; }
  .article-body p:has(+ hr + pre), .article-body hr:has(+ pre) { break-after: avoid; }
  .article-body p:has(+ section .katex-display) { break-after: avoid; }
  .article-body section:has(.katex-display) { break-before: avoid; break-inside: avoid; }
  .article-body .table-scroll { overflow: visible; }
  .cv-heading { display: block; padding-bottom: 12px; margin-bottom: 8px; }
  .cv-heading .eyebrow { display: none; }
  .cv-heading h1 { font-size: 24pt; margin: 0 0 6px; }
  .cv-heading .lead { margin: 0; font-size: 11pt; }
  .cv-section { display: block; break-inside: auto; padding-block: 12px; }
  .cv-section>h2 { margin: 0 0 8px; font-size: 8pt; }
  .cv-content { font-size: 10pt; line-height: 1.5; }
  .cv-content h3 { font-size: 11pt; margin-bottom: 6px; break-after: avoid; }
  .cv-content h3:not(:first-child) { margin-top: 14px; }
  .cv-entry { break-inside: avoid; }
  .cv-entry+.cv-entry { margin-top: 14px; }
  .cv-content p { margin-bottom: 7px; orphans: 3; widows: 3; }
  .cv-content code { font-size: 7pt; }
  .cv-institution { grid-template-columns: minmax(0, 1fr) 105px; gap: 16px; }
  .cv-institution .institution-logo { width: 105px; padding: 0; background: white; }
  .page-about .prose, .image-credits { margin-left: 0; }
}