fix(ui): use softer neutral colors for solid buttons and share link

apps/web/src/components/dialogs/ShareMemoDialog.tsx

@@ -260,7 +260,7 @@ export const ShareMemoDialog = ({
           <div className="border-t border-slate-200 px-5 py-3 text-center">
             <Link
               to="/settings?tab=sharing"
-              className="inline-flex items-center rounded-sm py-2 text-sm font-medium text-emerald-600 underline underline-offset-4 hover:text-emerald-700 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-emerald-500 focus-visible:ring-offset-2 dark:text-emerald-400 dark:hover:text-emerald-300"
+              className="inline-flex items-center rounded-sm py-2 text-sm font-medium text-muted-foreground underline underline-offset-4 hover:text-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2"
             >
               {t("sharing.viewAll")}
             </Link>

apps/web/src/components/ui/button.tsx

@@ -12,7 +12,7 @@ const buttonVariants = cva(
   {
     variants: {
       variant: {
-        solid: "bg-emerald-500 text-white hover:bg-emerald-600 border-emerald-500",
+        solid: "bg-primary/85 text-primary-foreground hover:bg-primary/95 border-primary/85",
         soft: "bg-slate-50 text-slate-700 hover:bg-slate-100 border border-slate-200",
         ghost: "bg-transparent text-slate-600 hover:bg-slate-50 hover:text-slate-900 border-transparent",
         outline: "bg-card text-slate-700 hover:bg-slate-50 border border-slate-200",