diff --git a/src/components/WritingHeatmap.astro b/src/components/WritingHeatmap.astro
index 4fc7260..f583520 100644
--- a/src/components/WritingHeatmap.astro
+++ b/src/components/WritingHeatmap.astro
@@ -187,7 +187,7 @@ const totalWordsLabel = totalWords >= 10_000
       const availableCellSize = (heatmapScroll.clientWidth - 3.25 * baseRootFontSize) / 53;
 
       if (scale <= 1.01 || baseCellSize === 0) {
-        baseCellSize = Math.min(12, Math.max(8, availableCellSize));
+        baseCellSize = Math.max(8, availableCellSize);
       }
       heatmapGrid.style.setProperty('--heatmap-cell-size', `${baseCellSize * scale}px`);
       heatmapViewport?.classList.toggle('has-overflow', heatmapGrid.getBoundingClientRect().width > heatmapScroll.clientWidth + 1);
diff --git a/src/layouts/BaseLayout.astro b/src/layouts/BaseLayout.astro
index 765c616..5e945cf 100644
--- a/src/layouts/BaseLayout.astro
+++ b/src/layouts/BaseLayout.astro
@@ -15,7 +15,7 @@ const { title, description, image, type, noindex, math, navbarOverlay = false }
 const hasMasthead = Astro.slots.has('masthead');
   const appearanceScript = `(function(){var r=document.documentElement,t='mirages-theme',s='mirages-font-scale',f='mirages-font-family',themes=['auto','light','sunset','dark'],fonts=['serif','sans'],stored=Number(localStorage.getItem(s)),scale=stored>=.8&&stored<=1.5?stored*100:stored>=80&&stored<=150?stored:100,theme=localStorage.getItem(t),font=localStorage.getItem(f);scale=Math.round(scale/5)*5;r.dataset.theme=themes.indexOf(theme)>-1?theme:'${siteConfig.appearance.defaultTheme}';r.dataset.font=fonts.indexOf(font)>-1?font:'sans';r.dataset.platform=/Win/.test(navigator.userAgentData?.platform||navigator.platform)?'windows':'other';r.style.fontSize=scale+'%'})();`;
   const tabsScript = `document.addEventListener('click',function(event){var button=event.target.closest('[data-shortcode-tab]');if(!button)return;var group=button.closest('[data-shortcode-tabs]');var id=button.dataset.shortcodeTab;group.querySelectorAll('[data-shortcode-tab="'+id+'"]').forEach(function(tab){var active=tab===button;tab.setAttribute('aria-selected',String(active));tab.tabIndex=active?0:-1;var panel=group.querySelector('#'+tab.getAttribute('aria-controls'));if(panel)panel.hidden=!active;});});`;
-  const collapseScript = `document.querySelectorAll('.shortcode-collapse').forEach(function(details){details.dataset.collapseReady='';details.classList.toggle('is-expanded',details.open);var body=details.querySelector(':scope>.shortcode-body');if(body instanceof HTMLElement&&details.open)body.style.height='auto';});document.addEventListener('click',function(event){var summary=event.target.closest('.shortcode-collapse>summary');if(!summary)return;var details=summary.parentElement;if(!(details instanceof HTMLDetailsElement))return;event.preventDefault();var body=details.querySelector(':scope>.shortcode-body');if(!(body instanceof HTMLElement))return;var expand=!details.classList.contains('is-expanded');details.classList.toggle('is-expanded',expand);if(matchMedia('(prefers-reduced-motion: reduce)').matches){details.open=expand;body.style.height=expand?'auto':'';delete details.dataset.animating;return;}var height=body.getBoundingClientRect().height;details.open=true;body.style.height=height+'px';void body.offsetHeight;details.dataset.animating='true';body.style.height=(expand?body.scrollHeight:0)+'px';});document.addEventListener('transitionend',function(event){var body=event.target;if(!(body instanceof HTMLElement)||!body.classList.contains('shortcode-body')||event.propertyName!=='height')return;var details=body.parentElement;if(!(details instanceof HTMLDetailsElement))return;var expanded=details.classList.contains('is-expanded');details.open=expanded;body.style.height=expanded?'auto':'';delete details.dataset.animating;});`;
+  const collapseScript = `function initCollapse(){document.querySelectorAll('.shortcode-collapse').forEach(function(details){details.dataset.collapseReady='';details.classList.toggle('is-expanded',details.open);var body=details.querySelector(':scope>.shortcode-body');if(body instanceof HTMLElement&&details.open)body.style.height='auto';});}initCollapse();document.addEventListener('astro:page-load',initCollapse);document.addEventListener('click',function(event){var summary=event.target.closest('.shortcode-collapse>summary');if(!summary)return;var details=summary.parentElement;if(!(details instanceof HTMLDetailsElement))return;event.preventDefault();var body=details.querySelector(':scope>.shortcode-body');if(!(body instanceof HTMLElement))return;var expand=!details.classList.contains('is-expanded');details.classList.toggle('is-expanded',expand);if(matchMedia('(prefers-reduced-motion: reduce)').matches){details.open=expand;body.style.height=expand?'auto':'';delete details.dataset.animating;return;}var height=body.getBoundingClientRect().height;details.open=true;body.style.height=height+'px';void body.offsetHeight;details.dataset.animating='true';body.style.height=(expand?body.scrollHeight:0)+'px';});document.addEventListener('transitionend',function(event){var body=event.target;if(!(body instanceof HTMLElement)||!body.classList.contains('shortcode-body')||event.propertyName!=='height')return;var details=body.parentElement;if(!(details instanceof HTMLDetailsElement))return;var expanded=details.classList.contains('is-expanded');details.open=expanded;body.style.height=expanded?'auto':'';delete details.dataset.animating;});`;
 ---
 
 <!doctype html>
diff --git a/src/styles/shortcodes.css b/src/styles/shortcodes.css
index 2ad5012..9ff1637 100644
--- a/src/styles/shortcodes.css
+++ b/src/styles/shortcodes.css
@@ -228,6 +228,7 @@
 }
 .shortcode-tabs {
   margin: 1.2em 0;
+  overflow: hidden;
   border: 1px solid var(--color-border);
   border-radius: var(--radius-sm);
   background: var(--color-surface);