.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.journal-main { min-height: calc(100vh - 230px); }
.journal-heading { max-width: 820px; padding: 72px 0 44px; }
.journal-heading h1 { margin: 4px 0 16px; font-size: clamp(40px, 4vw, 54px); line-height: 1.2; letter-spacing: -.045em; font-weight: 600; }
.heading-dot { color: var(--blue); }
.journal-heading > p:last-of-type { margin: 0; max-width: 620px; color: var(--ink-soft); font-size: 17px; line-height: 1.8; }
.writer-entry { display: inline-block; margin-top: 20px; color: var(--blue); font-size: 14px; }
.archive-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 22px; padding: 0 0 22px; }
.archive-search { flex: 1 1 230px; max-width: 330px; }
.archive-search input { width: 100%; min-height: 42px; border: 1px solid var(--line); border-radius: 5px; padding: 8px 12px; background: #ffffffa6; color: var(--ink); font: inherit; }
.archive-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.archive-filters button { border: 1px solid var(--line); padding: 7px 12px; border-radius: 4px; background: transparent; font-size: 13px; cursor: pointer; }
.archive-filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: white; }
#post-count { margin: 0 0 0 auto; color: var(--ink-soft); font-size: 13px; }
.post-archive, .talk-archive { border-top: 1px solid var(--line); }
.post-preview { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 36px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.post-preview > .post-meta { align-self: start; flex-direction: column; align-items: flex-start; gap: 5px; margin-top: 5px; }
.post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; color: var(--ink-soft); font-size: 13px; font-variant-numeric: tabular-nums; }
.post-meta time { color: var(--blue); }
.post-preview h2 { margin: 0 0 9px; font-size: 23px; font-weight: 600; line-height: 1.5; letter-spacing: -.02em; }
.post-preview h2 a { text-decoration: none; }
.post-preview h2 a:hover { color: var(--blue); }
.post-preview h2 span { font-size: 17px; color: var(--blue); }
.post-preview p { max-width: 730px; margin: 0 0 14px; font-size: 15px; color: var(--ink-soft); line-height: 1.8; }
.post-tags { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--ink-soft); font-size: 12px; }
.post-tags span::before { content: '#'; color: var(--blue); margin-right: 3px; }
.archive-empty { padding: 56px 0 64px; max-width: 680px; }
.empty-mark { display: block; color: var(--blue); font-size: 35px; line-height: 1; margin-bottom: 24px; }
.archive-empty h2 { font-size: 23px; font-weight: 500; margin: 0 0 12px; letter-spacing: -.015em; }
.archive-empty p { color: var(--ink-soft); font-size: 16px; max-width: 560px; margin: 0 0 22px; }
.archive-empty a { color: var(--blue); font-size: 14px; }
.search-empty { padding: 36px 0; color: var(--ink-soft); }
.archive-year { margin: 32px 0 8px; font-size: 16px; color: var(--blue); font-weight: 500; }
.talk-entry { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 36px; padding: 25px 0 30px; border-bottom: 1px solid var(--line); }
.talk-entry > time { color: var(--ink-soft); font-size: 13px; font-variant-numeric: tabular-nums; }
.talk-event { margin: 0 0 8px; font-size: 13px; color: var(--blue); }
.talk-event span { color: var(--ink-soft); }
.talk-entry h3 { margin: 0 0 10px; max-width: 800px; font-size: 23px; font-weight: 600; line-height: 1.5; }
.talk-entry .talk-resource-text { border-color: rgba(40, 88, 224, .38); background: rgba(40, 88, 224, .06); }
.talk-entry .pub-links a { max-width: 100%; overflow-wrap: anywhere; }
.talk-entry h3 + p { margin: 0 0 18px; max-width: 760px; color: var(--ink-soft); }
.archive-contact { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 32px 0; border-top: 1px solid var(--line); }
.archive-contact h2 { margin: 0 0 7px; font-size: 19px; font-weight: 500; }
.archive-contact p { margin: 0; max-width: 610px; color: var(--ink-soft); font-size: 14px; }
.archive-contact > a { flex-shrink: 0; color: var(--blue); font-size: 14px; }
.article-heading { max-width: 860px; padding: 48px 0 34px; }
.back-link { display: inline-block; margin-bottom: 34px; color: var(--ink-soft); font-size: 13px; text-decoration: none; }
.article-heading h1 { margin: 16px 0; font-size: clamp(30px, 3vw, 42px); font-weight: 600; line-height: 1.4; letter-spacing: -.03em; overflow-wrap: anywhere; }
.article-heading > p { max-width: 740px; color: var(--ink-soft); font-size: 18px; line-height: 1.8; }
.article-layout { display: grid; grid-template-columns: minmax(0, 780px) 220px; gap: 60px; align-items: start; border-top: 1px solid var(--line); padding-top: 32px; }
.prose { min-width: 0; color: var(--ink); font-size: 16px; line-height: 1.9; overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose h2, .prose h3, .prose h4 { margin: 2em 0 .8em; line-height: 1.5; font-weight: 600; letter-spacing: -.015em; }
.prose h2 { font-size: 25px; }
.prose h3 { font-size: 20px; }
.prose h4 { font-size: 17px; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.25em; }
.prose li > p { margin: .5em 0; }
.prose li + li { margin-top: .3em; }
.prose a { color: var(--blue); overflow-wrap: anywhere; }
.prose blockquote { margin: 26px 0; padding: 5px 0 5px 20px; border-left: 3px solid var(--blue); color: var(--ink-soft); }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose img { margin: 24px auto; max-width: 100%; height: auto; border-radius: 3px; }
.prose hr { margin: 32px 0; border: 0; border-top: 1px solid var(--line); }
.prose table { display: block; width: max-content; max-width: 100%; overflow-x: auto; margin: 24px 0; border-collapse: collapse; font-size: 14px; }
.prose th, .prose td { padding: 10px 14px; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--paper-deep); font-weight: 600; }
.prose code { padding: 2px 5px; border-radius: 3px; background: #e5eae5; font: .88em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.prose pre { position: relative; padding: 22px; overflow-x: auto; border: 1px solid var(--line); border-radius: 5px; background: #eaf0ec; line-height: 1.65; tab-size: 2; }
.prose pre code { padding: 0; background: transparent; font-size: 13px; }
.copy-code { float: right; margin: 0 0 8px 12px; padding: 3px 8px; border: 1px solid var(--line); border-radius: 3px; background: var(--paper); font: 12px var(--body); cursor: pointer; }
.article-toc { position: sticky; top: 110px; padding-left: 22px; border-left: 1px solid var(--line); font-size: 13px; }
.article-toc > p { margin: 0 0 14px; font-weight: 600; }
.article-toc ol { list-style: none; padding: 0; margin: 0; }
.article-toc li { margin: 9px 0; }
.article-toc .toc-h3 { padding-left: 12px; }
.article-toc a { color: var(--ink-soft); text-decoration: none; }
.article-toc a:hover, .article-toc a[aria-current] { color: var(--blue); }
.article-end { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding: 24px 0; border-top: 1px solid var(--line); font-size: 14px; }
.reading-progress { position: fixed; z-index: 51; height: 3px; top: 0; left: 0; width: 100%; background: var(--blue); transform: scaleX(0); transform-origin: left; }

.writing-header { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 34px 0 24px; }
.writing-header h1 { margin: 0 0 7px; font-size: 30px; font-weight: 600; letter-spacing: -.025em; }
.writing-header p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.writing-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.writing-toolbar button, .writing-toolbar select, .file-import { min-height: 38px; border: 1px solid var(--line); border-radius: 4px; padding: 7px 12px; background: white; color: var(--ink); font: 13px var(--body); cursor: pointer; }
.writing-toolbar select { max-width: 260px; }
.writing-toolbar .export-button { margin-left: auto; background: var(--ink); border-color: var(--ink); color: white; }
.file-import { display: inline-flex; align-items: center; }
.writing-toolbar button:hover, .file-import:hover { border-color: var(--blue); }
.writing-status { min-height: 23px; margin: 12px 0 18px; color: var(--ink-soft); font-size: 12px; }
.writing-status.is-error { color: #ae3118; }
.writing-fields { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 16px; }
.writing-fields label { display: flex; flex-direction: column; gap: 7px; color: var(--ink-soft); font-size: 13px; }
.writing-fields input, .writing-fields textarea, .writing-fields select { min-height: 40px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 4px; background: #ffffffb8; color: var(--ink); font: 14px var(--body); }
.writing-fields .title-field { grid-column: 1 / 3; }
.writing-fields .summary-field { grid-column: 1 / 3; }
.writing-fields textarea { min-height: 70px; resize: vertical; line-height: 1.6; }
.writing-fields .draft-field { display: flex; flex-direction: row; align-items: center; color: var(--ink); }
.draft-field input { min-height: 0; accent-color: var(--blue); }
.editor-workspace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; margin-top: 28px; padding-bottom: 30px; }
.editor-pane > label, .preview-heading { display: flex; align-items: center; justify-content: space-between; min-height: 28px; margin: 0 0 12px; color: var(--ink-soft); font-size: 13px; }
.editor-pane textarea { width: 100%; min-height: 560px; padding: 22px; resize: vertical; border: 1px solid var(--line); border-radius: 5px; background: #ffffffb8; color: var(--ink); font: 14px/1.85 ui-monospace, SFMono-Regular, Menlo, "PingFang SC", monospace; tab-size: 2; }
.editor-preview { min-height: 560px; padding: 26px; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
.editor-preview h1 { margin: 0 0 16px; font-size: 27px; line-height: 1.5; font-weight: 600; overflow-wrap: anywhere; }
.editor-preview > p { margin: 0 0 24px; color: var(--ink-soft); font-size: 14px; }
.editor-preview .prose { font-size: 15px; }
.editor-preview .prose h2 { font-size: 22px; }
.writing-help { padding: 20px 0; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-soft); }
.writing-help summary { width: fit-content; cursor: pointer; color: var(--ink); }
.writing-help p { max-width: 900px; }
.writing-help code { font-size: 12px; background: var(--paper-deep); padding: 2px 5px; }

.cv-toolbar { max-width: 940px; margin: 0 auto; padding: 26px 0 14px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--ink-soft); font-size: 12px; }
.cv-toolbar p { margin: 0; }
.cv-toolbar button { padding: 7px 12px; border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--ink); font-size: 13px; cursor: pointer; }
.cv-document { max-width: 940px; margin: 0 auto 40px; padding: 44px 48px; background: white; border: 1px solid var(--line); border-radius: 5px; font-size: 14px; line-height: 1.7; }
.cv-heading { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.cv-heading h1 { margin: 0 0 8px; font-size: 33px; font-weight: 600; letter-spacing: -.03em; }
.cv-heading h1 span { margin-left: 10px; color: var(--ink-soft); font-size: 23px; font-weight: 400; }
.cv-heading > p { margin: 0 0 13px; color: var(--blue); font-size: 15px; }
.cv-contact { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13px; }
.cv-contact a { text-decoration: none; }
.cv-section { padding-top: 26px; }
.cv-section h2 { margin: 0 0 17px; padding-bottom: 7px; border-bottom: 1px solid var(--line); font-size: 18px; font-weight: 600; letter-spacing: -.015em; }
.cv-section > p { margin: 0; }
.cv-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; margin: 0 0 17px; }
.cv-entry h3, .cv-project h3, .cv-publications h3 { margin: 0 0 3px; font-size: 14px; line-height: 1.6; font-weight: 600; }
.cv-entry p, .cv-project p, .cv-publications p { margin: 0 0 3px; font-size: 13px; }
.cv-entry .cv-detail, .cv-dates, .cv-project h3 span, .cv-note { color: var(--ink-soft); font-size: 12px; }
.cv-dates { white-space: nowrap; padding-top: 2px; font-variant-numeric: tabular-nums; }
.cv-project { margin-bottom: 17px; }
.cv-project h3 span { margin-left: 10px; font-weight: 400; }
.cv-project a, .cv-publications a { text-decoration: none; }
.cv-document a:hover { color: var(--blue); }
.cv-publications { padding-left: 21px; margin: 16px 0 0; }
.cv-publications li { margin: 0 0 16px; padding-left: 5px; }
.cv-publications p { font-size: 12px; color: var(--ink-soft); }
.cv-publications .cv-venue { color: var(--blue); font-size: 12px; }
.cv-awards { padding: 0; margin: 0; list-style: none; }
.cv-awards li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; margin: 0 0 14px; font-size: 13px; }
.cv-awards li > span { color: var(--blue); font-size: 12px; }
.cv-awards p { color: var(--ink-soft); font-size: 12px; margin: 2px 0 0; }
@media print {
  @page { size: A4; margin: 16mm; }
  body { background: white; font-size: 10pt; }
  body::before, .site-header, .skip-link, .cv-toolbar, footer { display: none !important; }
  .journal-main { width: 100%; min-height: 0; }
  .cv-document { max-width: none; margin: 0; padding: 0; border: 0; font-size: 10pt; }
  .cv-section { padding-top: 17px; }
  .cv-section h2 { break-after: avoid; font-size: 13pt; }
  .cv-entry, .cv-project, .cv-publications li, .cv-awards li { break-inside: avoid; }
  .cv-entry h3, .cv-project h3, .cv-publications h3 { font-size: 10pt; }
  .cv-entry p, .cv-project p, .cv-publications p, .cv-dates { font-size: 9pt; }
  .cv-document a { text-decoration: none; color: inherit; }
}

.talk-date time { color: var(--blue); font-size: 13px; font-variant-numeric: tabular-nums; }
.talk-date > span { display: block; max-width: 125px; margin-top: 5px; color: var(--ink-soft); font-size: 11px; line-height: 1.6; }

/* Keep reading and authoring layouts inside the viewport on tablets and phones. */
@media screen and (max-width: 900px) {
  .journal-main, .writing-page main { min-width: 0; overflow-wrap: anywhere; }
  .article-layout { display: flex; flex-direction: column; gap: 28px; }
  .article-layout > * { width: 100%; min-width: 0; }
  .article-toc { position: static; order: -1; padding-left: 16px; }
  .article-toc ol { columns: 2; column-gap: 24px; }
  .article-toc li { break-inside: avoid; margin: 0; }
  .article-toc a { display: inline-flex; align-items: center; min-height: 44px; max-width: 100%; padding: 5px 0; overflow-wrap: anywhere; }
  .editor-workspace { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .editor-workspace > * { min-width: 0; }
  .writing-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .writing-fields .title-field, .writing-fields .summary-field, .writing-fields .draft-field { grid-column: 1 / -1; }
  .writing-fields label { min-width: 0; }
  .writing-fields input, .writing-fields textarea, .writing-fields select { width: 100%; min-width: 0; max-width: 100%; min-height: 44px; font-size: 16px; }
  .writing-fields .draft-field { min-height: 44px; gap: 10px; }
  .draft-field input { flex: 0 0 22px; width: 22px; height: 22px; min-height: 22px; padding: 0; }
  .writing-toolbar button, .writing-toolbar select, .file-import { min-height: 44px; max-width: 100%; }
  .writing-toolbar select { min-width: 0; font-size: 16px; }
  .editor-pane > label, .preview-heading { flex-wrap: wrap; gap: 4px 16px; }
  .editor-pane textarea { min-width: 0; min-height: 400px; padding: 18px; font-size: 16px; }
  .editor-preview { min-height: 300px; padding: 22px; }
  .writing-help summary { min-height: 44px; max-width: 100%; padding: 10px 0; }
}

@media screen and (max-width: 768px) {
  .journal-heading { padding: 42px 0 30px; }
  .journal-heading h1 { font-size: 38px; }
  .journal-heading > p:last-of-type { font-size: 16px; }
  .writer-entry { min-height: 44px; display: inline-flex; align-items: center; margin-top: 12px; }
  .archive-tools { align-items: stretch; gap: 12px; }
  .archive-search { flex-basis: 100%; max-width: none; }
  .archive-search input { min-height: 44px; font-size: 16px; }
  .archive-filters { width: 100%; }
  .archive-filters button { min-height: 44px; max-width: 100%; overflow-wrap: anywhere; }
  #post-count { width: 100%; margin: 0; }
  .post-preview, .talk-entry { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 24px 0; }
  .post-preview > *, .talk-entry > * { min-width: 0; }
  .post-preview > .post-meta { flex-direction: row; flex-wrap: wrap; gap: 6px 14px; margin-top: 0; }
  .post-preview h2, .talk-entry h3 { font-size: 21px; overflow-wrap: anywhere; }
  .post-preview p { margin-bottom: 10px; }
  .talk-date { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
  .talk-date > span { max-width: none; margin-top: 0; }
  .talk-entry .pub-links { gap: 8px; }
  .talk-entry .pub-links a { min-height: 44px; }
  .archive-empty { padding: 36px 0 44px; }
  .archive-contact { flex-direction: column; align-items: flex-start; gap: 16px; }
  .archive-contact > a, .archive-empty > a { display: inline-flex; align-items: center; min-height: 44px; }
  .article-heading { padding: 30px 0 24px; }
  .back-link { min-height: 44px; display: inline-flex; align-items: center; margin-bottom: 12px; }
  .article-heading h1 { font-size: 30px; line-height: 1.4; }
  .article-heading > p { font-size: 16px; }
  .post-meta { gap: 6px 14px; }
  .article-layout { padding-top: 24px; }
  .prose { font-size: 16px; overflow-wrap: anywhere; }
  .prose h2 { font-size: 23px; }
  .prose h3 { font-size: 19px; }
  .prose ul, .prose ol { padding-left: 24px; }
  .prose pre { max-width: 100%; padding: 16px; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; }
  .prose pre code { white-space: pre; overflow-wrap: normal; word-break: normal; }
  .prose table { width: 100%; max-width: 100%; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; }
  .prose th, .prose td { min-width: 115px; padding: 9px 11px; }
  .copy-code { min-width: 44px; min-height: 44px; margin-bottom: 10px; }
  .article-end { flex-wrap: wrap; gap: 8px 20px; margin-top: 32px; padding: 14px 0; }
  .article-end a { display: inline-flex; align-items: center; min-height: 44px; max-width: 100%; }
  .writing-header { padding: 28px 0 20px; }
  .writing-header h1 { font-size: 28px; }
  .writing-toolbar { gap: 8px; padding: 14px 0; }
  .writing-toolbar select { flex: 1 1 100%; max-width: none; }
  .writing-toolbar button { font-size: 14px; }
  .writing-toolbar .export-button { margin-left: 0; }
  .writing-status { font-size: 13px; }
  .editor-pane textarea { min-height: 340px; }
  .editor-preview { padding: 18px; }
  .editor-preview h1 { font-size: 24px; }
  .cv-toolbar { flex-wrap: wrap; gap: 10px; padding-top: 20px; }
  .cv-toolbar button { min-height: 44px; }
  .cv-document { min-width: 0; padding: 26px 22px; overflow-wrap: anywhere; }
  .cv-entry { grid-template-columns: minmax(0, 1fr); gap: 3px; }
  .cv-dates { white-space: normal; padding-top: 0; }
  .cv-contact { gap: 2px 16px; }
  .cv-contact a { display: inline-flex; align-items: center; min-height: 44px; max-width: 100%; overflow-wrap: anywhere; }
  .cv-project h3 span { display: block; margin-left: 0; }
  .cv-awards li { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; }
}

@media screen and (max-width: 600px) {
  .article-toc ol { columns: 1; }
  .writing-fields { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .writing-fields .title-field, .writing-fields .summary-field, .writing-fields .draft-field { grid-column: auto; }
}

@media screen and (max-width: 480px) {
  .journal-heading h1 { font-size: 34px; }
  .article-heading h1 { font-size: 27px; }
  .post-preview h2, .talk-entry h3 { font-size: 20px; }
  .writing-toolbar .export-button { flex-basis: 100%; }
  .editor-pane textarea, .editor-preview { padding: 15px; }
  .cv-document { padding: 22px 16px; }
  .cv-heading h1 { font-size: 28px; }
  .cv-heading h1 span { margin-left: 7px; font-size: 20px; }
  .cv-heading > p { font-size: 14px; }
  .cv-section h2 { font-size: 17px; }
}