/* Shared visual identity, scientific diagrams, and responsive layouts. */
:root {
  --paper:#ffffff;
  --ink:#111111;
  --muted:#555555;
  --line:#dddddd;
  --primary:#111111;
  --accent:#111111;
  --soft:#f5f5f5;
  --white:#fff;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color-scheme:light
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:2rem
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font:16px/1.65 var(--sans);
  -webkit-font-smoothing:antialiased
}
a {
  color:inherit;
  text-decoration-color:#999999;
  text-underline-offset:4px
}
a:hover {
  color:var(--accent);
  text-decoration-color:currentColor
}
button {
  font:inherit;
  color:inherit;
  cursor:pointer
}
button:disabled {
  cursor:default
}
a:focus-visible,button:focus-visible,summary:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:5px
}
h1,h2,h3,p {
  margin-top:0
}
h1,h2,h3 {
  font-family:var(--sans);
  font-weight:500;
  line-height:1.18
}
h1 {
  font-size:clamp(2.5rem,4.4vw,3.9rem);
  letter-spacing:-.035em
}
h2 {
  font-size:2.15rem;
  letter-spacing:-.025em
}
h3 {
  font-size:1.75rem;
  letter-spacing:-.025em
}
p {
  margin-bottom:1.1rem
}
svg {
  display:block;
  max-width:100%;
  overflow:visible
}
svg text {
  font-family:var(--sans);
  fill:currentColor;
  stroke:none
}
svg .accent {
  color:var(--accent)
}
svg .muted {
  color:var(--muted)
}
svg .paper-fill {
  fill:var(--paper)
}
svg .soft-fill {
  fill:var(--paper)
}
svg .flow-path {
  stroke-dasharray:5 7
}
svg .node {
  fill:var(--paper);
  stroke:currentColor;
  stroke-width:2
}
svg .point {
  fill:currentColor
}
svg line,svg path,svg circle,svg rect,svg polygon {
  vector-effect:non-scaling-stroke
}
.wrap {
  width:min(1120px,calc(100% - 80px));
  margin-inline:auto
}
.skip-link {
  position:absolute;
  top:-80px;
  left:20px;
  padding:10px 20px;
  background:var(--ink);
  color:white;
  z-index:20
}
.skip-link:focus {
  top:10px
}
.site-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  min-height:104px;
  border-bottom:1px solid var(--line)
}
.brand {
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  font-family:var(--sans);
  font-size:1.15rem
}
.brand svg {
  width:30px;
  height:30px
}
.site-nav {
  display:flex;
  align-items:center;
  gap:32px;
  font-size:.86rem
}
.site-nav a {
  text-decoration:none;
  padding:8px 0
}
.site-nav a[aria-current=page] {
  border-bottom:1px solid var(--ink)
}
.motion-toggle {
  border:1px solid var(--line);
  background:transparent;
  border-radius:30px;
  padding:6px 12px;
  font-size:.72rem;
  white-space:nowrap
}
.hero {
  display:grid;
  grid-template-columns:minmax(0,1fr) 248px;
  gap:80px;
  padding:68px 0 0
}
.eyebrow {
  font-size:.69rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:600;
  color:var(--primary);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:20px
}
.eyebrow::before {
  content:'';
  width:19px;
  height:1px;
  background:currentColor
}
.hero h1 {
  margin:0 0 23px
}
.hero .lede {
  font-family:var(--sans);
  font-size:1.8rem;
  line-height:1.35;
  max-width:620px;
  letter-spacing:-.02em;
  margin-bottom:16px
}
.hero .bio {
  max-width:600px;
  color:var(--muted);
  font-size:1rem
}
.profile-links {
  display:flex;
  gap:25px;
  font-size:.84rem;
  margin:23px 0 0
}
.profile-links a {
  text-decoration:none;
  border-bottom:1px solid var(--line)
}
.profile-links span {
  margin-left:7px;
  color:var(--accent)
}
.portrait {
  margin:0;
  align-self:start;
  transform:rotate(1.5deg);
  padding-top:5px
}
.portrait img {
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:1;
  object-fit:cover;
  object-position:50% 37%;
  filter:saturate(.75);
  border:1px solid var(--line);
  border-radius:50%
}
.portrait figcaption {
  font-size:.75rem;
  color:var(--muted);
  margin-top:12px;
  text-align:center;
  overflow-wrap:anywhere
}
.observation-study {
  margin:30px 0 0;
  position:relative;
  height:132px;
  overflow:hidden;
  color:var(--primary)
}
.observation-study svg {
  width:100%;
  height:125px
}
.observation-study .study-label {
  position:absolute;
  bottom:14px;
  right:0;
  background:var(--paper);
  padding-left:15px;
  color:var(--muted);
  font-size:.61rem;
  letter-spacing:.08em;
  text-transform:uppercase
}
.motif-path {
  stroke-dasharray:900;
  animation:trace 12s linear infinite
}
.motif-dot {
  animation:breathe 6s ease-in-out infinite;
  animation-delay:var(--delay,0s)
}
.motion-off .motif-path,.motion-off .motif-dot {
  animation:none
}
@keyframes trace {
  0%,15% {
    stroke-dashoffset:900;
    opacity:.35
  }
  55%,85% {
    stroke-dashoffset:0;
    opacity:.65
  }
  100% {
    stroke-dashoffset:0;
    opacity:.35
  }
}
@keyframes breathe {
  50% {
    opacity:.3;
    transform:translateY(3px)
  }
}
.section-head {
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:24px;
  margin:50px 0 28px
}
.section-head h2 {
  margin:0
}
.section-head a {
  font-size:.8rem;
  white-space:nowrap
}
.section-kicker {
  font-size:.65rem;
  color:var(--muted);
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:12px
}
.paper-entry {
  display:grid;
  grid-template-columns:clamp(224px,30vw,320px) minmax(0,1fr);
  gap:clamp(22px,3vw,40px);
  padding:32px 0 40px;
  border-top:1px solid var(--line);
  align-items:start
}
.paper-visual {
  background:transparent;
  position:relative;
  min-width:0;
  width:100%;
  margin:0;
}
.science-svg {
  width:100%;
  height:auto;
  color:var(--primary)
}
.science-svg {
  font-size:16px
}
.method-pane {
  margin:0;
  min-width:0;
}
.pane-heading {
  margin:0;
  padding:0 14px 8px;
  font-size:.76rem;
  font-weight:500;
  line-height:1.4;
}
.pane-heading span {
  color:var(--muted);
  font-size:.62rem;
  margin-right:9px;
  font-variant-numeric:tabular-nums;
}
.explanation-ready .pane-viewer {
  aspect-ratio:480 / 376;
}
.explanation-ready .method-pane {
  height:100%;
  display:flex;
  flex-direction:column;
}
.explanation-ready .method-pane[hidden] {
  display:none;
}
.explanation-ready .method-pane .science-svg {
  height:calc(100% - 30px);
  min-height:0;
  flex:1;
}
.animation-stages.narration-cues {
  display:none;
}
.pane-nav {
  display:none;
  padding:11px 14px 0;
  gap:9px;
}
.explanation-ready .pane-nav {
  display:flex;
}
.pane-nav button {
  flex:1;
  min-width:0;
  padding:8px 0 0;
  border:0;
  border-top:2px solid var(--line);
  background:transparent;
  text-align:left;
  font-size:.69rem;
  line-height:1.45;
  color:var(--muted);
}
.pane-nav button span {
  display:block;
  font-size:.6rem;
  margin-bottom:3px;
  font-variant-numeric:tabular-nums;
}
.pane-nav button[aria-pressed="true"] {
  border-color:var(--ink);
  color:var(--ink);
}
.pane-nav button:hover {
  color:var(--ink);
}
@media print {
  .explanation-ready .pane-viewer {aspect-ratio:auto}
  .explanation-ready .method-pane[hidden] {display:block}
  .explanation-ready .method-pane .science-svg {height:auto}
  .pane-nav {display:none!important}
}
.science-svg [data-step] {
  transition:opacity .3s ease,filter .3s ease
}
.running .science-svg [data-step] {
  opacity:.74
}
.running .science-svg [data-step].active {
  opacity:1
}
.running .science-svg .active .flow-path {
  animation:flow 1s linear infinite
}
.running .science-svg .active .signal {
  animation:signal 1.2s ease-in-out infinite
}
.running .science-svg .active .estimate {
  stroke-dasharray:500;
  animation:estimate 2.8s ease-out both
}
@keyframes flow {
  to {
    stroke-dashoffset:-24
  }
}
@keyframes signal {
  50% {
    opacity:.45;
    stroke-width:3
  }
}
@keyframes estimate {
  from {
    stroke-dashoffset:500
  }
  to {
    stroke-dashoffset:0
  }
}
.paper-symbol {
  width:36px;
  height:36px;
  flex:none;
  color:var(--primary)
}
.paper-meta {
  font-size:.68rem;
  line-height:1.5;
  color:var(--muted);
  letter-spacing:.06em;
  text-transform:uppercase;
  margin-bottom:14px;
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap
}
.paper-meta .venue {
  color:var(--accent)
}
.paper-entry h3 {
  margin:0 0 13px;
  font-size:1.3rem;
  font-weight:600;
  line-height:1.32
}
.paper-entry h3 a {
  text-decoration:none
}
.authors {
  font-size:.78rem;
  color:var(--muted);
  line-height:1.6;
  margin-bottom:15px
}
.authors strong {
  font-weight:500;
  color:var(--ink)
}
.paper-summary {
  max-width:76ch;
  font-size:.9rem;
  line-height:1.75;
  margin-bottom:15px
}
.research-links {
  display:flex;
  align-items:center;
  gap:17px;
  flex-wrap:wrap;
  font-size:.73rem
}
.research-links a {
  text-decoration:none;
  border-bottom:1px solid var(--line)
}
.citation {
  margin-top:10px;
  font-size:.7rem
}
.citation summary {
  cursor:pointer;
  color:var(--muted);
  width:fit-content
}
.citation pre {
  max-width:100%;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
  font:11px/1.6 ui-monospace,monospace;
  padding:13px;
  background:var(--soft)
}
.copy-button {
  border:1px solid var(--line);
  background:transparent;
  padding:4px 10px;
  font-size:.7rem
}
.animation-controls {
  display:flex;
  gap:8px;
  padding:12px 14px 0;
  align-items:center;
  flex-wrap:wrap
}
.animation-controls button {
  border:1px solid #bbbbbb;
  border-radius:25px;
  background:transparent;
  padding:5px 11px;
  font-size:.66rem;
  min-height:32px
}
.animation-controls button:hover {
  background:var(--paper)
}
.animation-controls .play-control {
  min-width:128px;
  background:var(--ink);
  color:var(--paper);
  border-color:var(--ink)
}
.animation-controls .play-control:hover {
  background:var(--primary)
}
.animation-controls .progress {
  margin-left:auto;
  font-variant-numeric:tabular-nums;
  font-size:.65rem;
  color:var(--muted)
}
.animation-stages {
  padding:11px 15px 15px;
  margin:0;
  display:flex;
  gap:8px;
  list-style:none;
  font-size:.62rem;
  line-height:1.4;
  color:var(--muted)
}
.animation-stages li {
  flex:1;
  border-top:2px solid #cccccc;
  padding-top:7px
}
.animation-stages li.active {
  border-color:var(--accent);
  color:var(--ink)
}
.animation-stages li span {
  font-size:.57rem;
  color:var(--accent);
  display:block;
  margin-bottom:3px
}
.pending-visual {
  padding:28px;
  min-height:245px;
  display:flex;
  flex-direction:column;
  justify-content:center
}
.pending-visual .paper-symbol {
  width:64px;
  height:64px;
  margin-bottom:24px
}
.pending-visual p {
  font-size:.8rem;
  color:var(--muted);
  margin:0
}
.pending-note {
  font-size:.73rem;
  color:var(--muted);
  border-left:2px solid var(--accent);
  padding-left:12px;
  margin-top:13px
}
.news-section {
  display:grid;
  grid-template-columns:260px 1fr;
  gap:50px;
  border-top:1px solid var(--line);
  padding:45px 0;
  margin-top:10px
}
.news-section h2 {
  margin-top:0
}
.news-list {
  list-style:none;
  margin:0;
  padding:0
}
.news-list li {
  display:grid;
  grid-template-columns:105px 1fr;
  gap:20px;
  padding:0 0 18px;
  font-size:.83rem;
  line-height:1.6
}
.news-list time {
  font-size:.67rem;
  text-transform:uppercase;
  letter-spacing:.04em;
  color:var(--muted);
  padding-top:3px
}
.news-list p {
  margin:0
}
.news-list details {
  margin-top:6px
}
.site-footer {
  border-top:1px solid var(--line);
  margin-top:40px;
  padding:28px 0 40px;
  display:flex;
  justify-content:space-between;
  gap:25px;
  font-size:.68rem;
  color:var(--muted)
}
.site-footer a {
  text-decoration:none
}
.page-intro {
  padding:60px 0 30px;
  max-width:760px
}
.page-intro h1 {
  font-size:3.7rem;
  margin-bottom:22px
}
.page-intro p {
  color:var(--muted);
  max-width:640px
}
.year-heading {
  font-family:var(--sans);
  font-size:.72rem;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--muted);
  margin:20px 0 13px
}
.archive .paper-entry {
  padding-top:28px
}
.paper-copy {
  min-width:0
}
.plain-entry {
  display:grid;
  grid-template-columns:180px 1fr;
  gap:40px;
  padding:30px 0;
  border-top:1px solid var(--line)
}
.plain-entry .entry-date {
  font-size:.78rem;
  color:var(--muted)
}
.plain-entry h2 {
  font-size:1.7rem;
  margin-bottom:12px
}
.plain-entry p {
  font-size:.9rem;
  color:var(--muted);
  margin-bottom:0
}
.cv-heading {
  font-family:var(--sans);
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin:25px 0 15px;
  color:var(--primary)
}
.cv-grid {
  max-width:900px
}
.text-link {
  font-size:.8rem
}
.no-js-note {
  font-size:.75rem;
  color:var(--muted);
  padding:10px 0
}
.not-found {
  min-height:55vh;
  padding-top:70px
}
.not-found h1 {
  font-size:3rem
}
@media(min-width:1400px) {
  .wrap {
    width:1120px
  }
  .hero {
    gap:120px
  }
  .hero h1 {
    font-size:4.2rem
  }
}
@media(max-width:950px) {
  .wrap {
    width:calc(100% - 48px)
  }
  .hero {
    grid-template-columns:minmax(0,1fr) 210px;
    gap:40px;
    padding-top:50px
  }
  .hero .lede {
    font-size:1.5rem
  }
  .paper-entry h3 {
    font-size:1.25rem
  }
  .site-nav {
    gap:22px
  }
  .news-section {
    grid-template-columns:180px 1fr;
    gap:30px
  }
}
@media(max-width:700px) {
  .wrap {
    width:calc(100% - 36px)
  }
  .site-header {
    min-height:93px;
    flex-wrap:wrap;
    gap:5px;
    padding:16px 0
  }
  .brand {
    font-size:1.05rem
  }
  .site-nav {
    gap:21px;
    font-size:.75rem
  }
  .motion-toggle {
    font-size:.6rem;
    padding:4px 9px
  }
  .hero {
    grid-template-columns:minmax(0,1fr) 110px;
    gap:18px;
    padding-top:38px
  }
  .hero h1 {
    font-size:2.7rem;
    grid-column:1/-1
  }
  .hero .eyebrow {
    font-size:.58rem;
    letter-spacing:.08em;
    margin-bottom:18px
  }
  .hero .lede {
    font-size:1.38rem
  }
  .hero .bio {
    font-size:.89rem
  }
  .hero .hero-copy {
    grid-column:1/-1
  }
  .portrait {
    grid-column:2;
    grid-row:1;
    position:relative;
    width:100%;
    align-self:start;
    margin-top:31px
  }
  .portrait figcaption {
    font-size:.65rem
  }
  .hero .eyebrow {
    max-width:calc(100% - 100px)
  }
  .hero h1 {
    max-width:calc(100% - 110px);
    font-size:clamp(2.2rem,8.3vw,3.5rem);
    margin-bottom:36px;
    min-height:90px
  }
  .profile-links {
    gap:20px;
    font-size:.76rem
  }
  .observation-study {
    margin-top:18px;
    height:105px
  }
  .observation-study svg {
    height:100px
  }
  .observation-study .study-label {
    font-size:.5rem;
    bottom:8px
  }
  .section-head {
    margin-top:35px;
    margin-bottom:23px
  }
  .section-head h2 {
    font-size:2rem
  }
  .section-head a {
    font-size:.67rem
  }
  .paper-entry h3,.archive .paper-entry h3 {
    font-size:1.2rem
  }
  .paper-meta {
    font-size:.62rem;
    margin-bottom:12px
  }
  .paper-summary {
    font-size:.88rem
  }
  .news-section {
    grid-template-columns:1fr;
    gap:15px;
    padding-top:30px
  }
  .news-section h2 {
    font-size:2rem
  }
  .news-list li {
    grid-template-columns:80px 1fr;
    gap:15px;
    font-size:.79rem
  }
  .news-list time {
    font-size:.59rem
  }
  .site-footer {
    font-size:.6rem;
    flex-wrap:wrap
  }
  .page-intro {
    padding:38px 0 20px
  }
  .page-intro h1 {
    font-size:3rem
  }
  .page-intro p {
    font-size:.91rem
  }
  .plain-entry {
    grid-template-columns:1fr;
    gap:10px;
    padding:25px 0
  }
  .plain-entry h2 {
    font-size:1.5rem
  }
  .animation-stages {
    font-size:.65rem
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  *,*::before,*::after {
    animation:none!important;
    transition:none!important
  }
  .motif-path {
    stroke-dashoffset:0!important
  }
}
@media print {
  .site-header,.animation-controls,.motion-toggle {
    display:none
  }
  .wrap {
    width:100%
  }
  .paper-entry {
    break-inside:avoid
  }
  .site-footer {
    margin-top:10px
  }
  body {
    background:white
  }
  .paper-visual {
    background:transparent
  }
}
.tab-inactive .motif-dot,.tab-inactive .motif-path {
  animation-play-state:paused
}
.motion-toggle {
  display:none
}
.js .motion-toggle {
  display:inline-block
}
.animation-controls {
  display:none
}
.js .animation-controls {
  display:flex
}
.motif-offscreen .motif-dot,.motif-offscreen .motif-path {
  animation-play-state:paused
}
@media(max-width:700px) {
  .hero {
    display:block;
    position:relative
  }
  .hero h1 {
    font-size:2.8rem;
    line-height:1.03;
    min-height:94px;
    margin-bottom:24px
  }
  .portrait {
    position:absolute;
    top:38px;
    right:0;
    width:110px;
    margin:0;
    padding:0
  }
  .site-header {
    padding:16px 0 12px;
    gap:10px
  }
  .brand {
    order:1
  }
  .motion-toggle {
    order:2;
    margin-left:auto
  }
  .site-nav {
    order:3;
    width:100%;
    gap:28px
  }
  .animation-stages {
    font-size:.71rem
  }
  .hero .eyebrow {
    max-width:calc(100% - 125px);
    font-size:.58rem
  }
}
.stepping .science-svg [data-step] {
  opacity:.74
}
.stepping .science-svg [data-step].active {
  opacity:1
}
@media(max-width:700px) {
  .hero h1 {
    max-width:calc(100% - 128px)
  }
}

/* Unified explanation controls retain native audio when JavaScript is unavailable. */
.paper-audio {
  display:block;
  width:calc(100% - 28px);
  max-width:360px;
  height:40px;
  margin:12px 14px 0;
}
.explanation-ready .paper-audio {
  display:none;
}
.audio-fallback .paper-audio {
  display:block;
}
.audio-status {
  display:block;
  min-height:1.45em;
  margin:8px 14px 0;
  font-size:.7rem;
  line-height:1.45;
  color:var(--muted);
}
@media print {
  .paper-audio,.audio-status {display:none}
}

/* Keep the scientific context legible while emphasizing the current operation. */
.running .science-svg .active .step-marker,
.stepping .science-svg .active .step-marker {fill:#456578}
.running .science-svg .active .step-number,
.stepping .science-svg .active .step-number {fill:white}
.running .science-svg .active .process-box,
.stepping .science-svg .active .process-box {stroke-width:1.65}
.running .science-svg .active .stage-title,
.stepping .science-svg .active .stage-title {font-weight:600}

/* Stage transcripts remain selectable and readable independently of playback. */
.explanation-transcript {
  margin-top:16px;
  font-size:.85rem;
  line-height:1.7
}
.explanation-transcript summary {
  cursor:pointer;
  width:fit-content
}
.explanation-transcript ol {
  list-style:none;
  margin:12px 0 0;
  padding:0
}
.explanation-transcript li {
  border-left:2px solid transparent;
  padding:0 0 0 14px;
  margin-bottom:18px
}
.explanation-transcript li.active {
  border-color:var(--ink)
}
.explanation-transcript h4 {
  font-family:var(--sans);
  font-size:.85rem;
  font-weight:600;
  line-height:1.4;
  margin:0 0 5px
}
.explanation-transcript li.active h4 {
  font-weight:750
}
.explanation-transcript li p {
  margin:0
}


/* Compact figures remain beside the text at laptop and tablet widths. */
.animation-controls {
  gap:7px;
  padding:12px 0 0;
}
.js .animation-controls {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.animation-controls .play-control {
  grid-column:1 / 3;
  order:1;
  min-width:0;
}
.animation-controls [data-expand] {order:2}
.animation-controls [data-next] {order:3}
.animation-controls [data-replay] {order:4}
.animation-controls .progress {order:5;margin-left:0;text-align:right}
.animation-controls button {padding:5px 7px;font-size:.68rem}
.pane-heading {padding-inline:0;font-size:.7rem;color:#525a61}
.pane-nav {padding:8px 0 0;gap:10px}
.audio-status {margin-inline:0;font-size:.66rem}
.science-svg {color:#293f4d}
.science-svg .diagram-input {fill:#eef5fa}
.science-svg .diagram-process {fill:#f7f9fb}
.science-svg .diagram-output {fill:#edf6f2}
.science-svg .diagram-note {fill:#f7f7f4}
.science-svg .process-box,.science-svg .data-arrow,.science-svg .diagram-dependency {stroke:#718694}
.science-svg .diagram-arrowhead {fill:#718694}

/* The existing player expands in place, retaining its media and cue state. */
body.diagram-open {overflow:hidden}
.diagram-backdrop {
  position:fixed;
  inset:0;
  z-index:1000;
  background:rgba(29,35,42,.48);
}
.diagram-backdrop[hidden] {display:none}
.diagram-dialog-header,.diagram-zoom-hint {display:none}
.paper-visual.diagram-expanded {
  position:fixed;
  z-index:1001;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  width:min(940px,calc(100vw - 48px));
  max-width:none;
  max-height:calc(100dvh - 48px);
  margin:0;
  padding:22px 28px 24px;
  overflow:auto;
  overscroll-behavior:contain;
  background:white;
  border:1px solid #d4d8dc;
  border-radius:16px;
  box-shadow:0 24px 80px rgba(20,27,35,.2);
}
.diagram-expanded .diagram-dialog-header {
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding-bottom:14px;
  margin-bottom:16px;
  border-bottom:1px solid var(--line);
}
.diagram-dialog-header h2 {
  margin:0;
  font-size:1rem;
  font-weight:600;
  line-height:1.45;
  letter-spacing:0;
}
.diagram-dialog-close {
  flex:none;
  border:1px solid #bfc5ca;
  border-radius:24px;
  padding:6px 13px;
  min-height:36px;
  background:white;
  font-size:.78rem;
}
.diagram-expanded .pane-viewer {
  width:min(100%,66dvh,760px);
  margin-inline:auto;
}
.diagram-expanded .animation-controls {
  display:flex;
  gap:12px;
  max-width:760px;
  margin-inline:auto;
  padding-top:16px;
}
.diagram-expanded .animation-controls button {font-size:.8rem;padding:7px 14px;min-height:38px}
.diagram-expanded .animation-controls .play-control {min-width:154px;order:1}
.diagram-expanded .animation-controls [data-next] {order:2}
.diagram-expanded .animation-controls [data-replay] {order:3}
.diagram-expanded .animation-controls [data-expand] {display:none}
.diagram-expanded .animation-controls .progress {order:4;margin-left:auto;font-size:.75rem}
.diagram-expanded .pane-nav,.diagram-expanded .audio-status {max-width:760px;margin-inline:auto}
.diagram-expanded .pane-nav button {font-size:.8rem}
.diagram-expanded .pane-heading {font-size:.82rem}
.diagram-expanded .audio-status {margin-top:10px;font-size:.76rem}
.diagram-placeholder {min-width:0;pointer-events:none}

@media(max-width:600px) {
  .paper-entry,.archive .paper-entry {grid-template-columns:1fr;gap:20px;padding:25px 0 30px}
  .paper-copy {order:1}
  .paper-visual,.diagram-placeholder {order:2;max-width:480px}
  .paper-visual.diagram-expanded {width:calc(100vw - 24px);max-height:calc(100dvh - 24px);padding:16px 14px}
  .diagram-expanded .diagram-dialog-header {gap:12px;margin-bottom:8px}
  .diagram-dialog-header h2 {font-size:.86rem}
  .diagram-expanded .diagram-zoom-hint {display:block;color:var(--muted);font-size:.7rem;margin:0 0 12px}
  .diagram-expanded .pane-viewer {width:100%;aspect-ratio:auto;overflow-x:auto;overflow-y:hidden}
  .diagram-expanded .method-pane {width:600px;min-width:600px;height:auto}
  .diagram-expanded .method-pane .science-svg {width:600px;height:auto;flex:none}
  .diagram-expanded .animation-controls {gap:8px;flex-wrap:wrap}
  .diagram-expanded .animation-controls .play-control {min-width:0}
  .diagram-expanded .animation-controls button {font-size:.72rem;padding:7px 10px}
  .diagram-expanded .pane-nav button {font-size:.69rem}
}
@media print {
  .diagram-backdrop,.diagram-dialog-header,.diagram-zoom-hint,.expand-diagram,.js .animation-controls {display:none!important}
  .paper-visual.diagram-expanded {position:static;transform:none;width:auto;max-height:none;padding:0;border:0;box-shadow:none;overflow:visible}
  .diagram-placeholder {display:none}
}


/* Timing is available in the enlarged explanation, without live announcements. */
.explanation-timing {display:none}
.diagram-expanded .explanation-timing {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  width:100%;
  max-width:760px;
  gap:14px;
  margin:0 auto 12px;
  padding:0 0 8px;
  border-bottom:1px solid var(--line);
}
.explanation-time {display:flex;align-items:baseline;gap:8px;min-width:0}
.explanation-time .time-label {font-size:.68rem;color:var(--muted)}
.explanation-time .time-value {font-size:.82rem;font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap}
.diagram-expanded .diagram-dialog-header {position:sticky;top:0;background:white;z-index:3}
@media(max-width:600px) {
  .diagram-expanded .explanation-timing {gap:10px}
  .explanation-time {flex-direction:column;gap:0}
  .explanation-time .time-label {font-size:.62rem}
  .explanation-time .time-value {font-size:.78rem}
}
@media print {.explanation-timing {display:none!important}}