BigSimmo · BigSimmo · Jul 17, 2026 · Jul 17, 2026 · Jul 17, 2026 · Jul 17, 2026
@@ -436,6 +436,22 @@ html {
   scroll-padding-top: calc(4rem + env(safe-area-inset-top));
 }
 
+/*
+ * Interface density scales the rem baseline so every rem-based size shifts
+ * together. "Comfortable" is the browser default (16px) and sets no attribute,
+ * so the untouched default experience is unchanged. The attribute is applied on
+ * <html> before first paint (layout.tsx inline script) and kept in sync by
+ * useAppPreferences. The unlayered 16px mobile input floor above still wins for
+ * form controls so iOS never zooms.
+ */
+html[data-density="compact"] {
+  font-size: 15px;
+}
+
+html[data-density="spacious"] {
+  font-size: 17px;
+}
+
 body {
   min-height: 100%;
   min-height: 100svh;
@@ -2204,6 +2220,26 @@ summary::-webkit-details-marker {
   }
 }
 
+/*
+ * Explicit "Reduce motion" preference from the settings surface. Mirrors the
+ * prefers-reduced-motion suppression above so users can opt in regardless of
+ * their OS setting. The attribute is set on <html> before first paint by the
+ * inline script in layout.tsx and kept in sync by useAppPreferences.
+ */
+html[data-motion="reduced"] *,
+html[data-motion="reduced"] *::before,
+html[data-motion="reduced"] *::after {
+  animation-duration: 0.01ms !important;
+  animation-iteration-count: 1 !important;
+  scroll-behavior: auto !important;
+  transition-duration: 0.01ms !important;
+}
+
+html[data-motion="reduced"] .source-capsule-hit:hover .source-capsule-face,
+html[data-motion="reduced"] .source-capsule-hit[aria-expanded="true"]:hover .source-capsule-face {
+  transform: none !important;
+}
+
 @media (forced-colors: active) {
   :root,
   .dark {

@@ -80,14 +80,16 @@ export default async function RootLayout({
         {/* Applies the resolved theme before first paint on every route (standalone
             pages don't mount useTheme, and hydration-time toggling flashes light).
             Mirrors resolveThemePreference in src/lib/theme.ts: stored choice wins,
-            otherwise the OS preference. Key must match use-theme.ts. */}
+            otherwise the OS preference. Key must match use-theme.ts. The second
+            block applies the density/motion preferences (keys must match
+            use-app-preferences.ts) so an opted-in choice never flashes in. */}
         <script
           nonce={nonce}
           // Next.js strips the nonce from the client payload (so scripts can't
           // read it), which reads as a hydration mismatch on this attribute.
           suppressHydrationWarning
           dangerouslySetInnerHTML={{
-            __html: `(function(){try{var t=localStorage.getItem("clinical-kb-theme");var d=t==="dark"||(t!=="light"&&window.matchMedia("(prefers-color-scheme: dark)").matches);document.documentElement.classList.toggle("dark",d);if(t==="dark"||t==="light"){var c=d?"${APP_THEME_COLORS.dark}":"${APP_THEME_COLORS.light}";document.querySelectorAll('meta[name="theme-color"]').forEach(function(m){m.setAttribute("content",c);});}}catch(e){}})();`,
+            __html: `(function(){try{var t=localStorage.getItem("clinical-kb-theme");var d=t==="dark"||(t!=="light"&&window.matchMedia("(prefers-color-scheme: dark)").matches);document.documentElement.classList.toggle("dark",d);if(t==="dark"||t==="light"){var c=d?"${APP_THEME_COLORS.dark}":"${APP_THEME_COLORS.light}";document.querySelectorAll('meta[name="theme-color"]').forEach(function(m){m.setAttribute("content",c);});}}catch(e){}try{var p=JSON.parse(localStorage.getItem("clinical-kb-preferences")||"{}");if(p&&typeof p==="object"){if(p.density==="compact"||p.density==="spacious"){document.documentElement.setAttribute("data-density",p.density);}if(p.motion==="reduced"){document.documentElement.setAttribute("data-motion","reduced");}}}catch(e){}})();`,
           }}
         />
         <a

@@ -4124,8 +4124,6 @@ export function ClinicalDashboard({
           open={settingsOpen}
           onClose={closeSettings}
           identity={sidebarIdentity}
-          theme={theme}
-          onToggleTheme={toggleTheme}
           onSignOut={auth.signOut}
           onOpenGuide={openGuide}
         />

@@ -606,8 +606,6 @@ function GlobalStandaloneSearchShellClient({
         open={settingsOpen}
         onClose={() => setSettingsOpen(false)}
         identity={sidebarIdentity}
-        theme={theme}
-        onToggleTheme={toggleTheme}
         onSignOut={auth.signOut}
         onOpenGuide={openGuide}
       />

@@ -13,6 +13,34 @@ export function loadRecentQueries(ownerId: string | null): string[] {
   }
 }
 
+// Total recent queries retained across every owner-scoped session key. Used by
+// the settings privacy controls to show how much is stored and to disable the
+// "Clear" affordance when there is nothing to remove.
+export function countRecentQueries(): number {
+  if (typeof window === "undefined") return 0;
+  try {
+    let total = 0;
+    for (let index = 0; index < window.sessionStorage.length; index += 1) {
+      const key = window.sessionStorage.key(index);
+      if (!key?.startsWith(`${recentQueryStorageKey}:`)) continue;
+      let stored: unknown;
+      try {
+        stored = JSON.parse(window.sessionStorage.getItem(key) ?? "[]");
+      } catch {
+        // Isolate a single corrupt entry: skip just this key rather than let one
+        // malformed value zero the whole total and wrongly disable "Clear".
+        continue;
+      }
+      if (Array.isArray(stored)) {
+        total += stored.filter((item) => typeof item === "string" && Boolean(item.trim())).length;
+      }
+    }
+    return total;
+  } catch {
+    return 0;
+  }
+}
+
 // The pre-owner-scoping build persisted recent clinical queries under the
 // unscoped key, which survived logout, account switching, and demo/
 // authenticated transitions on shared workstations (2026-07-13 audit,