diff --git a/responsive.css b/responsive.css
index c1220f1..b8561e8 100644
--- a/responsive.css
+++ b/responsive.css
@@ -29,7 +29,7 @@ button{font-family:inherit}
 .tree-detail{display:grid;grid-template-columns:.7fr 1fr 1.6fr;gap:1px;border-top:1px solid #41596b;background:#41596b}.tree-detail>div,.tree-detail>p,.tree-detail>code{margin:0;padding:18px;background:#102536}.tree-detail div{display:grid;gap:8px}.tree-detail span{color:var(--accent);font:500 8px var(--font-mono);letter-spacing:.1em}.tree-detail strong{color:var(--paper);font:500 11px var(--font-mono)}.tree-detail p{color:#aebbc3;font-size:11px;line-height:1.55}.tree-detail code{grid-column:1/-1;color:var(--gold);font:11px var(--font-mono)}
 
 .route-console{display:grid;gap:14px}.route-table button{display:grid;grid-template-columns:.8fr .9fr 1.4fr;width:100%;padding:0;border:0;color:inherit;background:transparent;text-align:left;cursor:pointer}.route-table button>*{padding:15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.route-table button:hover,.route-table button.active{background:#e8ecee}.route-table button.active strong{box-shadow:inset 4px 0 0 var(--gold)}
-.route-detail{display:grid;grid-template-columns:100px 1fr;gap:22px;align-items:center;padding:22px;color:var(--paper);background:var(--deep)}.route-meter{display:grid;align-items:end;width:76px;height:76px;padding:7px;border:1px solid #496274}.route-meter span{display:block;width:100%;height:100%;background:var(--gold);transform:scaleY(var(--score));transform-origin:bottom;transition:transform .35s ease-out}.route-detail>div:last-child{display:grid;gap:7px}.route-detail small{color:var(--gold);font:500 8px var(--font-mono);letter-spacing:.08em}.route-detail strong{font-size:17px}.route-detail p{margin:0;color:#b5c0c7;font-size:12px;line-height:1.5}
+.route-detail{display:grid;grid-template-columns:100px 1fr;gap:22px;align-items:center;padding:22px;color:var(--paper);background:var(--deep)}.route-meter{display:grid;align-items:end;width:76px;height:76px;padding:7px;border:1px solid #496274}.route-meter span{display:block;width:100%;height:var(--score);background:var(--gold);transition:height .35s ease}.route-detail>div:last-child{display:grid;gap:7px}.route-detail small{color:var(--gold);font:500 8px var(--font-mono);letter-spacing:.08em}.route-detail strong{font-size:17px}.route-detail p{margin:0;color:#b5c0c7;font-size:12px;line-height:1.5}
 
 .skill-explorer{display:grid;grid-template-columns:.9fr 1.1fr;min-height:290px;background:var(--blue)}.skill-package button{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:17px 20px;border:0;border-bottom:1px solid #ffffff40;color:var(--paper);background:transparent;text-align:left;cursor:pointer}.skill-package button:hover,.skill-package button.active{background:#315f80}.skill-package button.active{box-shadow:inset 4px 0 0 var(--gold)}.skill-package button code{font:12px var(--font-mono)}.skill-package button small{opacity:.7}
 .skill-detail{display:grid;grid-template-columns:auto 1fr;gap:18px;align-content:center;padding:28px;color:var(--paper);background:#244760}.skill-detail>span{color:var(--gold);font:42px Georgia,serif}.skill-detail>div{display:grid;gap:13px}.skill-detail strong{font:600 15px var(--font-mono)}.skill-detail p{margin:0;color:#c4cdd3;font-size:12px;line-height:1.65}.skill-detail small{color:var(--gold);font:500 8px var(--font-mono);letter-spacing:.06em;text-transform:uppercase}
diff --git a/skills-review/app.js b/skills-review/app.js
index 40f3361..125bd98 100644
--- a/skills-review/app.js
+++ b/skills-review/app.js
@@ -437,14 +437,10 @@ function previewMarkup(entry, available) {
 function renderDetail() {
   const entry = state.selected;
   const available = packageFiles(entry);
-  const detailPanel = $('#detail');
-  detailPanel.innerHTML =
+  $('#detail').innerHTML =
     `<header><div><span class="status">${escape(entry.status)}</span><h2>${escape(entry.title)}</h2><p>Submitted by <a class="author-link" href="?author=${encodeURIComponent(entry.author)}">${escape(entry.author)}</a> · <a class="share-link" href="?author=${encodeURIComponent(entry.author)}&skill=${encodeURIComponent(entry.id)}&view=${state.preview}">share review ↗</a></p></div><div class="switch" role="group" aria-label="Preview version"><button class="${state.preview === 'original' ? 'active' : ''}" data-preview="original">Original</button><button class="${state.preview === 'improved' ? 'active' : ''}" data-preview="improved">Improved draft</button></div></header><div class="purpose"><span>THE JOB</span><p>${escape(entry.focus)}</p></div><div id="vote-widget"></div><div class="review-grid"><section><span>WHAT'S ALREADY WORKING</span><ul>${entry.wins.map((item) => `<li>${escape(item)}</li>`).join('')}</ul></section><section><span>HIGHEST-VALUE IMPROVEMENTS</span><ul>${entry.improve.map((item) => `<li>${escape(item)}</li>`).join('')}</ul></section></div><aside class="extras"><span>GOOD NEXT ADDITION</span><p>${escape(entry.extras)}</p></aside>${previewMarkup(entry, available)}`;
-  detailPanel.classList.remove('is-swapping');
-  void detailPanel.offsetWidth;
-  detailPanel.classList.add('is-swapping');
   renderVoteWidget($('#vote-widget'), entry.id);
-  detailPanel
+  $('#detail')
     .querySelectorAll('[data-file]')
     .forEach((button) =>
       button.addEventListener('click', () => {
diff --git a/skills-review/styles.css b/skills-review/styles.css
index 7bea10a..b71006b 100644
--- a/skills-review/styles.css
+++ b/skills-review/styles.css
@@ -15,4 +15,3 @@
 .markdown-preview{max-height:540px;overflow:auto;padding:24px;color:#d6e1e4;background:#0c1a25}.markdown-preview>:first-child{margin-top:0}.markdown-preview h1,.markdown-preview h2,.markdown-preview h3,.markdown-preview h4,.markdown-preview h5,.markdown-preview h6{margin:1.5em 0 .5em;color:#fff;line-height:1.15}.markdown-preview h1{font-size:1.8em}.markdown-preview h2{font-size:1.45em}.markdown-preview h3{font-size:1.2em}.markdown-preview p,.markdown-preview li{max-width:78ch}.markdown-preview li+li{margin-top:.35em}.markdown-preview a{color:var(--gold)}.markdown-preview code{padding:.12em .3em;color:#fff;background:#29455a;white-space:break-spaces}.markdown-preview pre{max-height:none;margin:1em 0;padding:14px;border:1px solid #486175}.markdown-preview pre code{padding:0;background:transparent}.markdown-preview blockquote{margin:1em 0;padding:.3em 1em;border-left:3px solid var(--gold);color:#b9c8d0}.markdown-preview hr{border:0;border-top:1px solid #486175}.markdown-frontmatter{display:grid;grid-template-columns:max-content 1fr;gap:3px 14px;margin:0 0 24px;padding:12px;border:1px solid #486175;font:11px/1.5 var(--font-mono)}.markdown-frontmatter dt{color:var(--gold)}.markdown-frontmatter dd{margin:0}.markdown-table-wrap{max-width:100%;overflow:auto;margin:1em 0;border:1px solid #486175}.markdown-preview table{width:100%;min-width:460px;border-collapse:collapse;font-size:13px}.markdown-preview th,.markdown-preview td{padding:9px 11px;border:1px solid #486175;text-align:left;vertical-align:top}.markdown-preview th{color:var(--gold);background:#173046}
 
 .markdown-toc{margin:0 0 24px;padding:12px 14px;border:1px solid #486175;background:#102b3a}.markdown-toc>span{color:var(--gold);font:700 10px var(--font-mono);letter-spacing:.1em}.markdown-toc ol{display:flex;flex-wrap:wrap;gap:7px 13px;margin:9px 0 0;padding:0;list-style:none}.markdown-toc li.level-2{margin-left:10px}.markdown-toc li.level-3{margin-left:20px}.markdown-toc a{font:12px/1.3 var(--font-sans);text-decoration:none}.markdown-toc a:hover{text-decoration:underline}
-.detail.is-swapping > * { /* purpose: review-desk detail swap on selection (state change) */ animation: detail-swap 200ms cubic-bezier(.2,0,0,1) both; } @keyframes detail-swap { from { opacity: 0.15; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } } .vote-buttons button b { display: inline-block; } .vote-buttons button b.is-updating { /* purpose: vote widget tally update (feedback) */ animation: tally-pop 200ms cubic-bezier(.2,0,0,1) both; } @keyframes tally-pop { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } } @media (prefers-reduced-motion: reduce) { .detail.is-swapping > *, .vote-buttons button b.is-updating { animation: none; } }
diff --git a/skills-review/vote.js b/skills-review/vote.js
index 4e664fa..fc6bb1a 100644
--- a/skills-review/vote.js
+++ b/skills-review/vote.js
@@ -19,15 +19,15 @@ async function api(path, options = {}) {
   return response.json();
 }
 
-function widgetMarkup(skillId, tally, you, unavailable, isUpdate = false) {
+function widgetMarkup(skillId, tally, you, unavailable) {
   const total = (tally.original || 0) + (tally.improved || 0);
   const share = (count) => total ? Math.round((count / total) * 100) : 0;
   if (unavailable) return `<section class="vote-widget" aria-label="Vote unavailable"><span>READER VOTE</span><p>Voting is offline right now — the vote service is not configured or unreachable.</p></section>`;
   return `<section class="vote-widget" aria-label="Vote on this review" data-skill="${escape(skillId)}">
     <span>WHICH DRAFT WOULD YOU SHIP?</span>
     <div class="vote-buttons" role="group" aria-label="Cast your vote">
-      <button data-vote="original" aria-pressed="${you === 'original'}">Original<b${isUpdate ? ' class="is-updating"' : ''}>${tally.original || 0} · ${share(tally.original || 0)}%</b></button>
-      <button data-vote="improved" aria-pressed="${you === 'improved'}">Improved draft<b${isUpdate ? ' class="is-updating"' : ''}>${tally.improved || 0} · ${share(tally.improved || 0)}%</b></button>
+      <button data-vote="original" aria-pressed="${you === 'original'}">Original<b>${tally.original || 0} · ${share(tally.original || 0)}%</b></button>
+      <button data-vote="improved" aria-pressed="${you === 'improved'}">Improved draft<b>${tally.improved || 0} · ${share(tally.improved || 0)}%</b></button>
     </div>
     <p class="vote-note">${you ? `You voted ${you === 'original' ? 'original' : 'improved draft'}. Pick the other option to change it.` : 'One vote per visitor, tracked by network source.'}</p>
   </section>`;
@@ -40,7 +40,7 @@ export async function renderVoteWidget(container, skillId) {
     container.innerHTML = widgetMarkup(skillId, {}, null, false);
     try {
       const result = await api('/api/votes', { method: 'POST', body: JSON.stringify({ skillId, choice }) });
-      container.innerHTML = widgetMarkup(skillId, { original: result.original, improved: result.improved }, result.you, false, true);
+      container.innerHTML = widgetMarkup(skillId, { original: result.original, improved: result.improved }, result.you, false);
       bind();
     } catch { container.innerHTML = widgetMarkup(skillId, {}, null, true); }
   };
diff --git a/styles.css b/styles.css
index 7597b6a..33bf1e3 100644
--- a/styles.css
+++ b/styles.css
@@ -1,2 +1,2 @@
 @import url('public/fonts/fonts.css'); :root{--paper:#f5f4f1;--ink:#172f42;--muted:#697b89;--accent:#7c78a8;--blue:#527f9f;--gold:#efc76b;--line:#d8dee2;--deep:#102536;--font-sans:manrope,arial,sans-serif;--font-mono:'DM Mono',monospace;}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--paper);color:var(--ink);font-family:var(--font-sans)}main{padding:28px clamp(24px,6vw,96px) 80px}.topbar,.section-label{display:flex;justify-content:space-between;align-items:center}.brand{color:var(--ink);font-size:12px;font-weight:800;text-decoration:none;text-transform:uppercase}.mark{display:inline-grid;place-items:center;width:28px;height:28px;margin-right:9px;border-radius:50%;color:var(--paper);background:var(--accent)}.edition,.eyebrow,.section-label,.thesis span,.captain span,.workers span,.route-table b,.skill-package>span,.rule span,.callout span,.sources{font:500 10px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}.edition i{display:inline-block;width:6px;height:6px;margin:0 8px;border-radius:50%;background:var(--accent)}.hero{max-width:780px;padding:clamp(75px,12vh,145px) 0 85px}.eyebrow,.section-label,.thesis span{color:var(--accent)}h1{margin:16px 0 24px;font-size:clamp(56px,9vw,126px);line-height:.86;letter-spacing:-.08em}h1 em,h2 em{color:var(--blue);font-family:Georgia,serif;font-weight:400}.lede,.copy>p:last-child,.skills>div:first-child>p:last-child,.worktrees>div:first-child>p,.caption{max-width:570px;color:var(--muted);line-height:1.65}.thesis{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-bottom:110px;padding:28px;background:var(--gold)}.thesis div:first-child{display:grid;gap:16px}.thesis strong{font-size:clamp(24px,4vw,46px);line-height:1.05;letter-spacing:-.04em}.signal{display:flex;align-items:center;gap:10px}.signal i{width:28px;height:28px;border:1px solid var(--ink);background:var(--paper)}.signal i:nth-of-type(3){background:var(--blue)}.signal b{font:500 10px var(--font-mono)}.fleet{margin-bottom:120px}.section-label{padding-bottom:14px;border-bottom:1px solid var(--line)}.section-label span:last-child{color:var(--muted)}.fleet-grid{display:grid;grid-template-columns:.8fr 50px 1.5fr;gap:24px;margin-top:30px;color:var(--paper);background:var(--deep)}.captain{display:grid;align-content:center;gap:16px;padding:32px}.captain span{color:var(--gold)}h2{margin:14px 0 20px;font-size:clamp(36px,5vw,65px);line-height:.98;letter-spacing:-.06em}.captain h2{font-size:clamp(24px,3vw,38px)}.captain code,.workers code{color:var(--gold);font:11px var(--font-mono)}.arrow{display:grid;place-items:center;color:var(--gold);font-size:30px}.workers{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#41596b}.workers article{display:grid;align-content:space-between;gap:20px;min-height:180px;padding:22px;background:var(--ink)}.workers span{color:#9eabb4}.workers strong{font-size:16px;line-height:1.2}.caption{margin:22px 0 0 auto}.workflow,.routing,.skills{display:grid;grid-template-columns:.7fr 1fr 1.3fr;gap:40px;align-items:start;margin-bottom:130px;padding-top:80px;border-top:1px solid var(--line)}.phase-tabs{display:grid;gap:8px}.phase-tabs button{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:15px;border:1px solid var(--line);color:var(--ink);background:transparent;font:500 10px var(--font-mono);letter-spacing:.07em;text-align:left;cursor:pointer}.phase-tabs button b{color:var(--accent)}.phase-tabs button.active{color:var(--paper);border-color:var(--ink);background:var(--ink)}.phase-panel{min-height:260px;padding:30px;color:var(--paper);background:var(--accent)}.phase-meta{display:flex;justify-content:space-between;gap:15px;color:var(--gold);font:500 10px var(--font-mono)}.phase-meta small{color:var(--paper);opacity:.7}.phase-panel h3{margin:44px 0 12px;font-size:clamp(24px,3vw,38px);line-height:1.05}.phase-panel p{line-height:1.6;opacity:.82}.phase-panel code{display:block;margin-top:26px;color:var(--gold);font:11px var(--font-mono)}.handoff{margin-bottom:130px}.handoff table{width:100%;margin-top:30px;border-collapse:collapse;text-align:left}.handoff th,.handoff td{padding:17px 14px;border-bottom:1px solid var(--line)}.handoff thead{color:var(--paper);background:var(--ink);font:500 10px var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.handoff tbody th{color:var(--blue);font:600 14px var(--font-mono)}.handoff td{color:var(--muted);font-size:13px}.worktrees{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center;margin-bottom:130px;padding:45px;color:var(--paper);background:var(--deep)}.worktrees .eyebrow{color:var(--gold)}.worktrees h2{color:var(--paper)}.worktrees h2 em{color:var(--gold)}.worktrees>div:first-child>p{color:#b0bac1}.worktrees pre{margin:32px 0 0;padding:20px;overflow:auto;color:var(--gold);background:var(--ink)}pre code{font:12px/1.75 var(--font-mono)}.map{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding-top:90px}.repo{position:absolute;top:0;left:50%;width:180px;padding:17px;transform:translateX(-50%);color:var(--ink);background:var(--gold)}.map>div:not(.repo){min-height:135px;padding:20px;border:1px solid #41596b;background:var(--ink)}.repo span,.map>div:not(.repo) span{display:block;margin-bottom:12px;color:var(--accent);font:500 9px var(--font-mono)}.repo strong,.map>div:not(.repo) strong{display:block;font:14px var(--font-mono)}.repo small,.map>div:not(.repo) small{display:block;margin-top:12px;color:#9eabb4;font-size:11px}.routing{grid-template-columns:.8fr 1.2fr}.route-table{border-top:1px solid var(--line);border-left:1px solid var(--line)}.route-table>div{display:grid;grid-template-columns:.8fr .9fr 1.4fr}.route-table .head{color:var(--paper);background:var(--ink);font:500 10px var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.route-table>div>*{padding:15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.route-table strong{font-size:14px}.route-table b{color:var(--blue);letter-spacing:0;text-transform:none}.route-table small{color:var(--muted);font-size:12px}.skills{grid-template-columns:.8fr 1fr;margin-bottom:90px}.skill-package{display:grid;align-content:start;color:var(--paper);background:var(--blue)}.skill-package>span{padding:20px;color:var(--gold);border-bottom:1px solid #ffffff40}.skill-package>div{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:17px 20px;border-bottom:1px solid #ffffff40}.skill-package code{font:12px var(--font-mono)}.skill-package small{opacity:.7}.skills>pre{grid-column:2;margin:0;padding:28px;overflow:auto;color:#d8dee2;background:var(--ink)}.rule{display:grid;grid-template-columns:150px 1fr;gap:30px;margin-top:55px;padding-top:22px;border-top:4px solid var(--gold)}.rule strong{max-width:850px;font-size:clamp(24px,3.3vw,42px);line-height:1.12}.callout{display:grid;grid-template-columns:150px 1fr;gap:30px;margin-top:70px;padding:27px;background:var(--gold)}.callout strong{max-width:850px;font-size:clamp(22px,3vw,36px);line-height:1.1}.sources{margin-top:90px;color:var(--muted)}.sources p{color:var(--muted);font:13px/1.6 var(--font-sans);letter-spacing:0;text-transform:none}.sources a{color:var(--blue);font-weight:700}@media(max-width:800px){.thesis,.fleet-grid,.workflow,.worktrees,.routing,.skills{grid-template-columns:1fr}.arrow{transform:rotate(90deg);min-height:35px}.workers{grid-template-columns:1fr}.skills>pre{grid-column:auto}.route-table,.handoff{overflow-x:auto}.route-table>div{min-width:620px}.handoff table{min-width:650px}.rule,.callout{grid-template-columns:1fr}}@media(max-width:600px){.edition{display:none}.worktrees{padding:24px}.map{grid-template-columns:1fr;padding-top:90px}}
-main{max-width:1840px;margin-inline:auto}.reading-progress{position:fixed;inset:0 0 auto;z-index:20;height:3px;background:transparent}.reading-progress span{display:block;width:100%;height:100%;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .15s ease}.chapter-links{display:flex;gap:22px;margin-left:auto;margin-right:32px}.chapter-links a{color:var(--muted);font:500 10px var(--font-mono);letter-spacing:.08em;text-decoration:none;text-transform:uppercase}.chapter-links a:hover{color:var(--ink)}.hero{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:80px;align-items:end}.hero-index{display:grid;gap:14px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.hero-index span,.hero-index small{color:var(--muted);font:500 10px var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.hero-index strong{font-size:clamp(27px,3vw,48px);line-height:.95;letter-spacing:-.06em}.hero-index em{color:var(--accent);font-family:Georgia,serif;font-weight:400}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr) 1.6fr;gap:1px;margin:0 0 110px;background:var(--line);border-top:1px solid var(--line);border-left:1px solid var(--line)}.hero-stats div,.hero-stats p{min-height:110px;margin:0;padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}.hero-stats div{display:flex;align-items:center;gap:16px}.hero-stats strong{font:500 34px var(--font-mono);color:var(--blue)}.hero-stats span{color:var(--muted);font:500 10px/1.4 var(--font-mono);letter-spacing:.06em;text-transform:uppercase}.hero-stats p{display:grid;place-items:center;color:var(--muted);font-size:13px;line-height:1.5;text-align:center}.failure-map{margin-bottom:130px;padding-top:80px;border-top:1px solid var(--line)}.failure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:30px;background:var(--line);border-left:1px solid var(--line)}.failure-grid article{min-height:220px;padding:24px;background:var(--paper);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.failure-grid span{color:var(--accent);font:500 11px var(--font-mono)}.failure-grid strong{display:block;margin:52px 0 12px;font-size:22px}.failure-grid p{max-width:300px;margin:0;color:var(--muted);font-size:13px;line-height:1.6}.skill-principles{display:grid;gap:10px;margin-top:30px;color:var(--blue);font:500 10px var(--font-mono);letter-spacing:.06em;text-transform:uppercase}.skill-principles span{color:var(--blue)}@media(min-width:2200px){main{max-width:1960px}.hero{grid-template-columns:minmax(0,1fr) 380px}.hero h1{font-size:clamp(100px,7vw,160px)}body{font-size:18px}}@media(max-width:800px){.chapter-links{display:none}.hero{display:block}.hero-index{max-width:300px;margin-top:50px}.hero-stats{grid-template-columns:1fr 1fr;margin-bottom:80px}.hero-stats p{grid-column:1/-1}.failure-grid{grid-template-columns:1fr}.failure-grid article{min-height:0}.failure-grid strong{margin-top:30px}}
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