diff --git a/desktop/src/features/channels/ui/AddChannelBotPersonasSection.tsx b/desktop/src/features/channels/ui/AddChannelBotPersonasSection.tsx
index e4e6ef9a5d..b33840b6bd 100644
--- a/desktop/src/features/channels/ui/AddChannelBotPersonasSection.tsx
+++ b/desktop/src/features/channels/ui/AddChannelBotPersonasSection.tsx
@@ -180,7 +180,7 @@ export function AddChannelBotPersonasSection({
                                 : "bg-muted/60 text-muted-foreground",
                             )}
                           >
-                            <Check className="h-2.5 w-2.5" />
+                            <Check className="h-4 w-4" />
                             In channel
                           </span>
                         ) : null}
diff --git a/desktop/src/features/channels/ui/AddChannelBotTeamsSection.tsx b/desktop/src/features/channels/ui/AddChannelBotTeamsSection.tsx
index 2879902c73..effb9eadd2 100644
--- a/desktop/src/features/channels/ui/AddChannelBotTeamsSection.tsx
+++ b/desktop/src/features/channels/ui/AddChannelBotTeamsSection.tsx
@@ -130,7 +130,7 @@ export function AddChannelBotTeamsSection({
                               : "bg-muted/60 text-muted-foreground",
                           )}
                         >
-                          <Check className="h-2.5 w-2.5" />
+                          <Check className="h-4 w-4" />
                           {allInChannel
                             ? "All in channel"
                             : `${inChannelCount} in channel`}
@@ -165,7 +165,7 @@ export function AddChannelBotTeamsSection({
                               {persona.displayName}
                             </span>
                             {personaInChannel ? (
-                              <Check className="h-2.5 w-2.5 text-emerald-300" />
+                              <Check className="h-4 w-4 text-emerald-300" />
                             ) : null}
                           </div>
                         );
diff --git a/desktop/src/features/channels/ui/MembersSidebar.tsx b/desktop/src/features/channels/ui/MembersSidebar.tsx
index ca3dd01c3c..8202781abc 100644
--- a/desktop/src/features/channels/ui/MembersSidebar.tsx
+++ b/desktop/src/features/channels/ui/MembersSidebar.tsx
@@ -730,7 +730,7 @@ function AddMemberSearchResultRow({
               {formatAddCandidateName(user)}
             </span>
             <span className="inline-flex shrink-0 items-center gap-1 text-xs text-muted-foreground">
-              <Bot aria-hidden="true" className="h-3 w-3" />
+              <Bot aria-hidden="true" className="h-4 w-4" />
               agent
             </span>
           </div>
diff --git a/desktop/src/features/channels/ui/MembersSidebarMemberCard.tsx b/desktop/src/features/channels/ui/MembersSidebarMemberCard.tsx
index 9a0f16ce6c..9574f451b3 100644
--- a/desktop/src/features/channels/ui/MembersSidebarMemberCard.tsx
+++ b/desktop/src/features/channels/ui/MembersSidebarMemberCard.tsx
@@ -148,7 +148,7 @@ export function MembersSidebarMemberCard({
                 {memberLabel}
               </span>
               <span className="inline-flex shrink-0 items-center gap-1 text-xs text-muted-foreground">
-                <Bot aria-hidden="true" className="h-3 w-3" />
+                <Bot aria-hidden="true" className="h-4 w-4" />
                 {roleLabel}
               </span>
             </div>
diff --git a/desktop/src/features/home/ui/FeedSection.tsx b/desktop/src/features/home/ui/FeedSection.tsx
index 8cae872bdc..fe0860f1ea 100644
--- a/desktop/src/features/home/ui/FeedSection.tsx
+++ b/desktop/src/features/home/ui/FeedSection.tsx
@@ -143,7 +143,7 @@ export function FeedSection({
   return (
     <section>
       <div className="flex items-center gap-2 pb-2">
-        <Icon className="h-3.5 w-3.5 text-muted-foreground" />
+        <Icon className="h-4 w-4 text-muted-foreground" />
         <h2 className="text-xs font-semibold uppercase tracking-wide text-muted-foreground">
           {title}
         </h2>
diff --git a/desktop/src/features/huddle/components/MicControls.tsx b/desktop/src/features/huddle/components/MicControls.tsx
index 129829f53e..f56fd32763 100644
--- a/desktop/src/features/huddle/components/MicControls.tsx
+++ b/desktop/src/features/huddle/components/MicControls.tsx
@@ -185,10 +185,10 @@ export function MicControls({
                     style={micMeterBarStyle(rightBarHeight)}
                   />
                 </span>
-                <ChevronUp className="hidden h-3 w-3 group-data-[state=open]:block group-focus-visible:block group-hover:block" />
+                <ChevronUp className="hidden h-4 w-4 group-data-[state=open]:block group-focus-visible:block group-hover:block" />
               </span>
             ) : (
-              <ChevronUp className="h-3 w-3" />
+              <ChevronUp className="h-4 w-4" />
             )}
           </Button>
         </PopoverTrigger>
diff --git a/desktop/src/features/huddle/components/ParticipantList.tsx b/desktop/src/features/huddle/components/ParticipantList.tsx
index 33ac281d1d..a99e5aa6d1 100644
--- a/desktop/src/features/huddle/components/ParticipantList.tsx
+++ b/desktop/src/features/huddle/components/ParticipantList.tsx
@@ -117,7 +117,7 @@ export function HuddleParticipantsControl({
                     type="button"
                     variant="ghost"
                   >
-                    <X className="h-3.5 w-3.5" />
+                    <X className="h-4 w-4" />
                   </Button>
                 )}
               </li>
@@ -159,7 +159,7 @@ function HexAvatar({
         color: "#fff",
       }}
     >
-      {size === "lg" ? shortId : <UsersRound className="h-3.5 w-3.5" />}
+      {size === "lg" ? shortId : <UsersRound className="h-4 w-4" />}
     </div>
   );
 }
diff --git a/desktop/src/features/messages/ui/ComposerAttachments.tsx b/desktop/src/features/messages/ui/ComposerAttachments.tsx
index c00ec5ffb6..2ab4ec3c85 100644
--- a/desktop/src/features/messages/ui/ComposerAttachments.tsx
+++ b/desktop/src/features/messages/ui/ComposerAttachments.tsx
@@ -181,7 +181,7 @@ export const ComposerAttachments = React.memo(function ComposerAttachments({
                             className="pointer-events-none absolute inset-0 flex items-center justify-center rounded-2xl bg-background/55 text-foreground/70 backdrop-blur-[1px]"
                             data-composer-media-spoiler=""
                           >
-                            <HatGlasses className="h-5 w-5" />
+                            <HatGlasses className="h-4 w-4" />
                           </div>
                         ) : null}
                       </div>
diff --git a/desktop/src/features/messages/ui/MessageThreadPanel.tsx b/desktop/src/features/messages/ui/MessageThreadPanel.tsx
index 358ebbce99..11002b2c85 100644
--- a/desktop/src/features/messages/ui/MessageThreadPanel.tsx
+++ b/desktop/src/features/messages/ui/MessageThreadPanel.tsx
@@ -514,7 +514,7 @@ export function MessageThreadPanel({
       {!isAtBottom ? (
         <div className="pointer-events-none absolute inset-x-0 bottom-36 z-20 flex justify-center px-4">
           <Button
-            className="pointer-events-auto h-7 min-h-7 gap-1.5 rounded-full border-border/50 bg-background/85 px-2.5 text-2xs font-medium text-muted-foreground shadow-xs backdrop-blur-sm hover:bg-muted/70 hover:text-foreground [&_svg]:size-3.5"
+            className="pointer-events-auto h-7 min-h-7 gap-1.5 rounded-full border-border/50 bg-background/85 px-2.5 text-2xs font-medium text-muted-foreground shadow-xs backdrop-blur-sm hover:bg-muted/70 hover:text-foreground [&_svg]:size-4"
             data-testid="thread-scroll-to-latest"
             onClick={() => scrollToBottom("smooth")}
             size="sm"
diff --git a/desktop/src/features/messages/ui/MessageTimeline.tsx b/desktop/src/features/messages/ui/MessageTimeline.tsx
index f1b78cbe5a..a1e8e451f2 100644
--- a/desktop/src/features/messages/ui/MessageTimeline.tsx
+++ b/desktop/src/features/messages/ui/MessageTimeline.tsx
@@ -279,7 +279,7 @@ export const MessageTimeline = React.memo(function MessageTimeline({
             )}
           >
             <Button
-              className="pointer-events-auto h-7 min-h-7 gap-1.5 rounded-full border-primary/40 bg-primary/10 px-2.5 text-2xs font-medium text-primary shadow-xs backdrop-blur-sm hover:bg-primary/20 [&_svg]:size-3.5"
+              className="pointer-events-auto h-7 min-h-7 gap-1.5 rounded-full border-primary/40 bg-primary/10 px-2.5 text-2xs font-medium text-primary shadow-xs backdrop-blur-sm hover:bg-primary/20 [&_svg]:size-4"
               data-testid="message-unread-pill"
               onClick={handleJumpToOldestUnread}
               size="sm"
@@ -402,7 +402,7 @@ export const MessageTimeline = React.memo(function MessageTimeline({
                                 "flex shrink-0 items-center justify-center rounded-full bg-muted/70 text-muted-foreground",
                                 hasDescription
                                   ? "h-12 w-12 [&_svg]:h-6 [&_svg]:w-6"
-                                  : "h-10 w-10 [&_svg]:h-5 [&_svg]:w-5",
+                                  : "h-10 w-10 [&_svg]:h-4 [&_svg]:w-4",
                               )}
                               data-testid={
                                 action.testId
diff --git a/desktop/src/features/profile/ui/AnimatedAvatarCapture.tsx b/desktop/src/features/profile/ui/AnimatedAvatarCapture.tsx
index 3ed86a7120..2d1e2c4a59 100644
--- a/desktop/src/features/profile/ui/AnimatedAvatarCapture.tsx
+++ b/desktop/src/features/profile/ui/AnimatedAvatarCapture.tsx
@@ -776,7 +776,7 @@ export function AnimatedAvatarCapture({
       ) : phase === "starting" ? (
         <div className="absolute inset-0 grid place-items-center rounded-full bg-background/70 text-center shadow-inner">
           <div className="grid justify-items-center gap-2 px-4">
-            <Spinner aria-label="Starting camera" className="h-5 w-5" />
+            <Spinner aria-label="Starting camera" className="h-4 w-4" />
             <span className="text-xs font-medium text-muted-foreground">
               Starting camera
             </span>
diff --git a/desktop/src/features/profile/ui/AnimatedAvatarControls.tsx b/desktop/src/features/profile/ui/AnimatedAvatarControls.tsx
index d7d41bdaea..0a36be22b4 100644
--- a/desktop/src/features/profile/ui/AnimatedAvatarControls.tsx
+++ b/desktop/src/features/profile/ui/AnimatedAvatarControls.tsx
@@ -313,7 +313,7 @@ export function AvatarOutlineToggle({
       title={enabled ? "Outline on" : "Outline off"}
       type="button"
     >
-      <Icon aria-hidden="true" className="h-5 w-5" />
+      <Icon aria-hidden="true" className="h-4 w-4" />
     </button>
   );
 }
diff --git a/desktop/src/features/profile/ui/UserProfilePanelSections.tsx b/desktop/src/features/profile/ui/UserProfilePanelSections.tsx
index 20f75011b3..3baa46ea2e 100644
--- a/desktop/src/features/profile/ui/UserProfilePanelSections.tsx
+++ b/desktop/src/features/profile/ui/UserProfilePanelSections.tsx
@@ -505,7 +505,7 @@ function ProfileQuickAction({
             : "bg-muted/60 text-foreground hover:bg-muted/80",
         )}
       >
-        <Icon className="h-5 w-5" />
+        <Icon className="h-4 w-4" />
       </span>
       <span
         className={cn(
diff --git a/desktop/src/features/reminders/ui/RemindersPanel.tsx b/desktop/src/features/reminders/ui/RemindersPanel.tsx
index f36caa8550..57aab41710 100644
--- a/desktop/src/features/reminders/ui/RemindersPanel.tsx
+++ b/desktop/src/features/reminders/ui/RemindersPanel.tsx
@@ -150,7 +150,7 @@ function ReminderRow({
           onClick={() => void handleComplete()}
           title="Complete"
         >
-          <Check className="h-3.5 w-3.5" />
+          <Check className="h-4 w-4" />
         </Button>
         <Button
           size="sm"
@@ -160,7 +160,7 @@ function ReminderRow({
           onClick={() => void handleSnooze()}
           title="Snooze 1 hour"
         >
-          <RotateCcw className="h-3.5 w-3.5" />
+          <RotateCcw className="h-4 w-4" />
         </Button>
         <Button
           size="sm"
@@ -170,7 +170,7 @@ function ReminderRow({
           onClick={() => void handleCancel()}
           title="Cancel"
         >
-          <X className="h-3.5 w-3.5" />
+          <X className="h-4 w-4" />
         </Button>
       </div>
     </div>
diff --git a/desktop/src/features/settings/ui/NotificationSettingsCard.tsx b/desktop/src/features/settings/ui/NotificationSettingsCard.tsx
index 3e765ebe2b..72bb08326f 100644
--- a/desktop/src/features/settings/ui/NotificationSettingsCard.tsx
+++ b/desktop/src/features/settings/ui/NotificationSettingsCard.tsx
@@ -232,7 +232,7 @@ export function NotificationSettingsCard({
                       </>
                     ) : (
                       <>
-                        <ChevronDown className="h-3.5 w-3.5" />
+                        <ChevronDown className="h-4 w-4" />
                         View all
                       </>
                     )}
diff --git a/desktop/src/features/settings/ui/ProfileSettingsCard.tsx b/desktop/src/features/settings/ui/ProfileSettingsCard.tsx
index 70a15d900d..c7c81476b4 100644
--- a/desktop/src/features/settings/ui/ProfileSettingsCard.tsx
+++ b/desktop/src/features/settings/ui/ProfileSettingsCard.tsx
@@ -766,7 +766,7 @@ export function ProfileSettingsCard({
                                   this device.
                                 </p>
                               </div>
-                              <ChevronDown className="h-5 w-5 shrink-0 text-muted-foreground transition-[color,transform] duration-150 ease-out group-open:rotate-180 group-hover/identity:text-foreground group-focus-visible/identity:text-foreground" />
+                              <ChevronDown className="h-4 w-4 shrink-0 text-muted-foreground transition-[color,transform] duration-150 ease-out group-open:rotate-180 group-hover/identity:text-foreground group-focus-visible/identity:text-foreground" />
                             </summary>
                             <div
                               className="border-t border-border/55 divide-y divide-border/55"
diff --git a/desktop/src/features/settings/ui/SoundPicker.tsx b/desktop/src/features/settings/ui/SoundPicker.tsx
index f09aa556cc..f9a73cf54d 100644
--- a/desktop/src/features/settings/ui/SoundPicker.tsx
+++ b/desktop/src/features/settings/ui/SoundPicker.tsx
@@ -95,7 +95,7 @@ export function SoundPicker({
             <span className="truncate">{value}</span>
             <span className="flex items-center gap-1.5">
               <Waveform className="h-6 w-15 opacity-70" name={value} />
-              <ChevronDown className="h-3 w-3 text-muted-foreground" />
+              <ChevronDown className="h-4 w-4 text-muted-foreground" />
             </span>
           </Button>
         </DropdownMenuTrigger>
diff --git a/desktop/src/features/sidebar/ui/CreateChannelDialog.tsx b/desktop/src/features/sidebar/ui/CreateChannelDialog.tsx
index baa4d1c8c7..f9696cf32f 100644
--- a/desktop/src/features/sidebar/ui/CreateChannelDialog.tsx
+++ b/desktop/src/features/sidebar/ui/CreateChannelDialog.tsx
@@ -171,7 +171,7 @@ export function CreateChannelDialog({
                 >
                   <DurationIcon className="h-4 w-4" />
                   {durationLabel}
-                  <ChevronDown className="h-3.5 w-3.5 text-muted-foreground/70" />
+                  <ChevronDown className="h-4 w-4 text-muted-foreground/70" />
                 </Button>
               </PopoverTrigger>
               <PopoverContent align="start" className="w-72 p-1">
diff --git a/desktop/src/features/sidebar/ui/NewDirectMessageDialog.tsx b/desktop/src/features/sidebar/ui/NewDirectMessageDialog.tsx
index 541e2a459a..3430ffdc27 100644
--- a/desktop/src/features/sidebar/ui/NewDirectMessageDialog.tsx
+++ b/desktop/src/features/sidebar/ui/NewDirectMessageDialog.tsx
@@ -582,7 +582,7 @@ export function NewDirectMessageDialog({
                       {user.isAgent ? (
                         <Bot
                           aria-label="agent"
-                          className="h-3.5 w-3.5 text-muted-foreground"
+                          className="h-4 w-4 text-muted-foreground"
                         />
                       ) : null}
                     </button>
diff --git a/desktop/src/shared/ui/button.tsx b/desktop/src/shared/ui/button.tsx
index 318642130d..70e2c0a045 100644
--- a/desktop/src/shared/ui/button.tsx
+++ b/desktop/src/shared/ui/button.tsx
@@ -5,7 +5,7 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/shared/lib/cn";
 
 const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-1.5 whitespace-nowrap rounded-lg text-sm font-medium transition-colors focus-visible:outline-hidden focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4.5 [&_svg]:shrink-0",
+  "inline-flex items-center justify-center gap-1.5 whitespace-nowrap rounded-lg text-sm font-medium transition-colors focus-visible:outline-hidden focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
   {
     variants: {
       variant: {