diff --git a/packages/web/src/components/chat/Message.tsx b/packages/web/src/components/chat/Message.tsx
index 660cf3f5..9167c3c5 100644
--- a/packages/web/src/components/chat/Message.tsx
+++ b/packages/web/src/components/chat/Message.tsx
@@ -199,12 +199,12 @@ export function Message({ message, isCompact, isFirstInGroup }: MessageProps) {
           <div className="flex items-baseline gap-2 mb-0.5">
             <span 
               onClick={handleUsernameClick}
-              className="font-bold cursor-pointer hover:underline text-[16px] leading-tight"
+              className="font-semibold cursor-pointer hover:underline text-[15px] leading-tight"
               style={roleColor}
             >
               {displayName}
             </span>
-            <span className="text-[12px] text-txt-tertiary leading-tight font-medium hover:cursor-default">
+            <span className="text-[11px] text-txt-tertiary leading-tight font-medium hover:cursor-default">
               {formatTime(message.createdAt)}
             </span>
           </div>
@@ -216,7 +216,7 @@ export function Message({ message, isCompact, isFirstInGroup }: MessageProps) {
               value={editContent}
               onChange={(e) => setEditContent(e.target.value)}
               onKeyDown={handleEditSubmit}
-              className="w-full p-3 bg-surface-input rounded-lg text-txt-primary outline-none resize-none text-[16px] leading-[1.375rem] shadow-inner"
+              className="w-full p-3 bg-surface-input rounded-lg text-txt-primary outline-none resize-none text-[15px] leading-[1.5] shadow-inner"
               rows={2}
               autoFocus
             />
@@ -233,7 +233,7 @@ export function Message({ message, isCompact, isFirstInGroup }: MessageProps) {
         ) : (
           <div className="flex flex-col gap-1">
             {message.content && (
-              <div className="text-txt-message text-[16px] leading-[1.375rem] break-words whitespace-pre-wrap selection:bg-accent-primary/30">
+              <div className="text-txt-message text-[15px] leading-[1.5] break-words whitespace-pre-wrap selection:bg-accent-primary/30">
                 <MarkdownRenderer content={message.content} />
                 {message.editedAt && (
                   <span className="text-[10px] text-txt-tertiary ml-1 select-none font-medium">(edited)</span>
diff --git a/packages/web/src/components/layout/ActivityPanel.tsx b/packages/web/src/components/layout/ActivityPanel.tsx
index 0349745f..c8a1a4e5 100644
--- a/packages/web/src/components/layout/ActivityPanel.tsx
+++ b/packages/web/src/components/layout/ActivityPanel.tsx
@@ -46,7 +46,7 @@ export function ActivityPanel() {
     <div
       key={friend.id}
       onClick={(e) => handleFriendClick(e, friend)}
-      className="flex items-center gap-3 px-2 py-1.5 rounded-[4px] hover:bg-interactive-hover cursor-pointer group transition-colors"
+      className="flex items-center gap-2.5 px-2 py-1.5 rounded-[4px] hover:bg-interactive-hover cursor-pointer group transition-colors"
     >
       <Avatar
         src={friend.avatar}
@@ -56,11 +56,11 @@ export function ActivityPanel() {
         className={isOffline ? 'opacity-60' : undefined}
       />
       <div className="flex-1 min-w-0">
-        <div className={`text-[15px] font-medium truncate ${isOffline ? 'text-txt-tertiary' : 'text-txt-primary'}`}>
+        <div className={`text-[13.5px] leading-[1.2] font-medium truncate ${isOffline ? 'text-txt-tertiary' : 'text-txt-primary'}`}>
           {friend.displayName ?? friend.username}
         </div>
         {!isOffline && friend.customStatus && (
-          <div className="text-[12px] text-txt-tertiary truncate">{friend.customStatus}</div>
+          <div className="text-[11px] leading-[1.3] text-txt-tertiary truncate">{friend.customStatus}</div>
         )}
       </div>
     </div>
@@ -82,7 +82,7 @@ export function ActivityPanel() {
           <>
             {onlineFriends.length > 0 && (
               <div className="mb-4">
-                <h3 className="text-[12px] font-bold text-txt-tertiary uppercase tracking-wider px-2 mb-1">
+                <h3 className="text-[10.5px] font-bold text-txt-tertiary uppercase tracking-[0.06em] px-2 mb-1">
                   ONLINE — {onlineFriends.length}
                 </h3>
                 {onlineFriends.map(f => renderFriend(f))}
@@ -90,7 +90,7 @@ export function ActivityPanel() {
             )}
             {offlineFriends.length > 0 && (
               <div>
-                <h3 className="text-[12px] font-bold text-txt-tertiary uppercase tracking-wider px-2 mb-1">
+                <h3 className="text-[10.5px] font-bold text-txt-tertiary uppercase tracking-[0.06em] px-2 mb-1">
                   OFFLINE — {offlineFriends.length}
                 </h3>
                 {offlineFriends.map(f => renderFriend(f, true))}
diff --git a/packages/web/src/components/layout/ChannelSidebar.tsx b/packages/web/src/components/layout/ChannelSidebar.tsx
index 56aa8eba..47cb5827 100644
--- a/packages/web/src/components/layout/ChannelSidebar.tsx
+++ b/packages/web/src/components/layout/ChannelSidebar.tsx
@@ -281,7 +281,7 @@ export function ChannelSidebar() {
           onClick={() => openModal('serverSettings')}
           className="flex-1 h-full px-4 flex items-center justify-between hover:bg-interactive-hover transition-colors min-w-0"
         >
-          <span className="font-bold text-[16px] text-txt-primary truncate leading-tight">{server.name}</span>
+          <span className="font-bold text-[15px] tracking-[-0.02em] text-txt-primary truncate leading-tight">{server.name}</span>
           <svg width="18" height="18" viewBox="0 0 18 18" fill="currentColor" className="text-txt-tertiary flex-shrink-0">
             <path d="M5.293 7.293a1 1 0 011.414 0L9 9.586l2.293-2.293a1 1 0 111.414 1.414l-3 3a1 1 0 01-1.414 0l-3-3a1 1 0 010-1.414z" />
           </svg>
@@ -306,7 +306,7 @@ export function ChannelSidebar() {
               <svg width="12" height="12" viewBox="0 0 24 24" fill="currentColor" className="opacity-70">
                 <path d="M16.59 8.59L12 13.17 7.41 8.59 6 10l6 6 6-6z" />
               </svg>
-              <span className="text-[12px] font-bold uppercase tracking-wider">Text Channels</span>
+              <span className="text-[11px] font-medium uppercase tracking-[0.06em]" style={{ color: '#484854' }}>Text Channels</span>
             </div>
             {canManageChannels && (
               <button
@@ -344,7 +344,7 @@ export function ChannelSidebar() {
                   <svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor" className="flex-shrink-0 opacity-60">
                     <path d="M5.88657 21C5.57547 21 5.3399 20.7189 5.39427 20.4126L6.00001 17H2.59511C2.28449 17 2.04905 16.7198 2.10259 16.4138L2.27759 15.4138C2.31946 15.1746 2.52722 15 2.77011 15H6.35001L7.41001 9H4.00511C3.69449 9 3.45905 8.71977 3.51259 8.41381L3.68759 7.41381C3.72946 7.17456 3.93722 7 4.18011 7H7.76001L8.39677 3.41262C8.43914 3.17391 8.64664 3 8.88907 3H9.87344C10.1845 3 10.4201 3.28107 10.3657 3.58738L9.76001 7H15.76L16.3968 3.41262C16.4391 3.17391 16.6466 3 16.8891 3H17.8734C18.1845 3 18.4201 3.28107 18.3657 3.58738L17.76 7H21.1649C21.4755 7 21.711 7.28023 21.6574 7.58619L21.4824 8.58619C21.4406 8.82544 21.2328 9 20.9899 9H17.41L16.35 15H19.7549C20.0655 15 20.301 15.2802 20.2474 15.5862L20.0724 16.5862C20.0306 16.8254 19.8228 17 19.5799 17H16L15.3632 20.5874C15.3209 20.8261 15.1134 21 14.8709 21H13.8866C13.5755 21 13.3399 20.7189 13.3943 20.4126L14 17H8.00001L7.36325 20.5874C7.32088 20.8261 7.11337 21 6.87094 21H5.88657ZM9.41001 9L8.35001 15H14.35L15.41 9H9.41001Z" />
                   </svg>
-                  <span className={`truncate text-[15px] flex-1 text-left ${isUnread ? 'font-bold' : 'font-medium'}`}>{channel.name}</span>
+                  <span className={`truncate text-[15px] flex-1 text-left ${isUnread ? 'font-semibold' : 'font-medium'}`}>{channel.name}</span>
                   {canManageChannels && (
                     <svg
                       width="16"
@@ -373,7 +373,7 @@ export function ChannelSidebar() {
               <svg width="12" height="12" viewBox="0 0 24 24" fill="currentColor" className="opacity-70">
                 <path d="M16.59 8.59L12 13.17 7.41 8.59 6 10l6 6 6-6z" />
               </svg>
-              <span className="text-[12px] font-bold uppercase tracking-wider">Voice Channels</span>
+              <span className="text-[11px] font-medium uppercase tracking-[0.06em]" style={{ color: '#484854' }}>Voice Channels</span>
             </div>
             {canManageChannels && (
               <button
@@ -724,9 +724,9 @@ function UserAreaPanel({
       <div className="h-[52px] px-2 flex items-center select-none">
         {/* Avatar + name */}
         <div className="p-1 hover:bg-interactive-hover rounded-[4px] flex items-center gap-2 flex-1 min-w-0 cursor-pointer transition-colors group">
-          <Avatar src={user.avatar} name={user.displayName ?? user.username} size={32} status={user.status as any} user={user} />
+          <Avatar src={user.avatar} name={user.displayName ?? user.username} size={34} status={user.status as any} user={user} />
           <div className="flex-1 min-w-0">
-            <div className="text-[13px] font-semibold text-txt-primary truncate leading-tight">{user.displayName ?? user.username}</div>
+            <div className="text-[13.5px] font-semibold text-txt-primary truncate leading-tight">{user.displayName ?? user.username}</div>
             <div className="text-[11px] text-txt-tertiary truncate leading-tight group-hover:text-txt-secondary">@{user.username}</div>
           </div>
         </div>
diff --git a/packages/web/src/components/layout/MainContent.tsx b/packages/web/src/components/layout/MainContent.tsx
index 15d71d7e..08a54293 100644
--- a/packages/web/src/components/layout/MainContent.tsx
+++ b/packages/web/src/components/layout/MainContent.tsx
@@ -92,12 +92,12 @@ export function MainContent() {
           ref={voiceContainerRef}
           className={`flex-1 flex flex-col bg-surface-base min-w-0 group/voice relative ${voiceFullscreen ? 'h-screen' : ''}`}
         >
-          <div className={`h-12 px-4 flex items-center justify-between shadow-header flex-shrink-0 bg-surface-base transition-opacity duration-300 ${voiceFullscreen ? 'opacity-0 hover:opacity-100' : ''}`}>
+          <div className={`h-12 px-5 flex items-center justify-between shadow-header flex-shrink-0 bg-surface-base transition-opacity duration-300 ${voiceFullscreen ? 'opacity-0 hover:opacity-100' : ''}`}>
             <div className="flex items-center gap-2">
               <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor" className="text-txt-tertiary">
                 <path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z" />
               </svg>
-              <span className="font-bold text-txt-primary">{dmName}</span>
+              <span className="font-bold text-[15px] tracking-[-0.02em] text-txt-primary">{dmName}</span>
               {connectionError ? (
                 <span className="text-xs text-txt-danger font-medium ml-2">Connection Failed</span>
               ) : isLiveKitConnected ? (
@@ -144,12 +144,12 @@ export function MainContent() {
             </button>
           </div>
         )}
-        <div className="h-12 px-4 flex items-center justify-between shadow-header flex-shrink-0 z-10 bg-surface-chat">
+        <div className="h-12 px-5 flex items-center justify-between shadow-header flex-shrink-0 z-10 bg-surface-chat">
           <div className="flex items-center gap-2 min-w-0">
             <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor" className="text-txt-tertiary flex-shrink-0">
               <path d="M12.5 2A6.5 6.5 0 0 0 6 8.5c0 1.82.75 3.47 1.95 4.65A10.02 10.02 0 0 0 2 22h2c0-4.42 3.58-8 8-8 .35 0 .69.03 1.03.07A6.49 6.49 0 0 0 19 8.5 6.5 6.5 0 0 0 12.5 2Zm0 11A4.5 4.5 0 1 1 17 8.5a4.5 4.5 0 0 1-4.5 4.5Z" />
             </svg>
-            <span className="font-bold text-txt-primary truncate">{dmName}</span>
+            <span className="font-bold text-[15px] tracking-[-0.02em] text-txt-primary truncate">{dmName}</span>
             {isGroupDm && (
               <span className="text-xs text-txt-tertiary flex-shrink-0">({dmChannel?.members.length} Members)</span>
             )}
@@ -219,7 +219,7 @@ export function MainContent() {
   if (!currentChannelId || !channel) {
     return (
       <div className="flex-1 flex flex-col bg-surface-chat relative">
-        <div className="h-12 px-4 flex items-center justify-between shadow-header">
+        <div className="h-12 px-5 flex items-center justify-between shadow-header">
           <span className="text-txt-tertiary">Select a channel</span>
           <div className="flex items-center gap-1 flex-shrink-0">
             <MemberListToggleButton />
@@ -238,12 +238,12 @@ export function MainContent() {
     if (!isInThisChannel) {
       return (
         <div className="flex-1 flex flex-col bg-surface-base">
-          <div className="h-12 px-4 flex items-center justify-between shadow-header flex-shrink-0 bg-surface-base">
+          <div className="h-12 px-5 flex items-center justify-between shadow-header flex-shrink-0 bg-surface-base">
             <div className="flex items-center gap-2">
               <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor" className="text-txt-tertiary">
                 <path d="M11 5L6 9H2V15H6L11 19V5ZM15.54 8.46C16.48 9.4 17 10.67 17 12S16.48 14.6 15.54 15.54L14.12 14.12C14.69 13.55 15 12.79 15 12S14.69 10.45 14.12 9.88L15.54 8.46Z" />
               </svg>
-              <span className="font-bold text-txt-primary">{channel.name}</span>
+              <span className="font-bold text-[15px] tracking-[-0.02em] text-txt-primary">{channel.name}</span>
             </div>
             <div className="flex items-center gap-1 flex-shrink-0">
               <MemberListToggleButton />
@@ -274,12 +274,12 @@ export function MainContent() {
         ref={voiceContainerRef}
         className={`flex-1 flex flex-col bg-surface-base min-w-0 group/voice relative ${voiceFullscreen ? 'h-screen' : ''}`}
       >
-        <div className={`h-12 px-4 flex items-center justify-between shadow-header flex-shrink-0 bg-surface-base transition-opacity duration-300 ${voiceFullscreen ? 'opacity-0 hover:opacity-100' : ''}`}>
+        <div className={`h-12 px-5 flex items-center justify-between shadow-header flex-shrink-0 bg-surface-base transition-opacity duration-300 ${voiceFullscreen ? 'opacity-0 hover:opacity-100' : ''}`}>
           <div className="flex items-center gap-2">
             <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor" className="text-txt-tertiary">
               <path d="M11 5L6 9H2V15H6L11 19V5ZM15.54 8.46C16.48 9.4 17 10.67 17 12S16.48 14.6 15.54 15.54L14.12 14.12C14.69 13.55 15 12.79 15 12S14.69 10.45 14.12 9.88L15.54 8.46Z" />
             </svg>
-            <span className="font-bold text-txt-primary">{channel.name}</span>
+            <span className="font-bold text-[15px] tracking-[-0.02em] text-txt-primary">{channel.name}</span>
             {connectionError ? (
               <span className="text-xs text-txt-danger font-medium ml-2">Connection Failed</span>
             ) : isLiveKitConnected ? (
@@ -310,16 +310,16 @@ export function MainContent() {
 
   return (
     <div className="flex-1 flex flex-col bg-surface-chat min-w-0 relative">
-      <div className="h-12 px-4 flex items-center justify-between shadow-header flex-shrink-0 z-10 bg-surface-chat">
+      <div className="h-12 px-5 flex items-center justify-between shadow-header flex-shrink-0 z-10 bg-surface-chat">
         <div className="flex items-center gap-2 min-w-0">
           <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor" className="text-txt-tertiary flex-shrink-0">
             <path d="M5.88657 21C5.57547 21 5.3399 20.7189 5.39427 20.4126L6.00001 17H2.59511C2.28449 17 2.04905 16.7198 2.10259 16.4138L2.27759 15.4138C2.31946 15.1746 2.52722 15 2.77011 15H6.35001L7.41001 9H4.00511C3.69449 9 3.45905 8.71977 3.51259 8.41381L3.68759 7.41381C3.72946 7.17456 3.93722 7 4.18011 7H7.76001L8.39677 3.41262C8.43914 3.17391 8.64664 3 8.88907 3H9.87344C10.1845 3 10.4201 3.28107 10.3657 3.58738L9.76001 7H15.76L16.3968 3.41262C16.4391 3.17391 16.6466 3 16.8891 3H17.8734C18.1845 3 18.4201 3.28107 18.3657 3.58738L17.76 7H21.1649C21.4755 7 21.711 7.28023 21.6574 7.58619L21.4824 8.58619C21.4406 8.82544 21.2328 9 20.9899 9H17.41L16.35 15H19.7549C20.0655 15 20.301 15.2802 20.2474 15.5862L20.0724 16.5862C20.0306 16.8254 19.8228 17 19.5799 17H16L15.3632 20.5874C15.3209 20.8261 15.1134 21 14.8709 21H13.8866C13.5755 21 13.3399 20.7189 13.3943 20.4126L14 17H8.00001L7.36325 20.5874C7.32088 20.8261 7.11337 21 6.87094 21H5.88657ZM9.41001 9L8.35001 15H14.35L15.41 9H9.41001Z" />
           </svg>
-          <span className="font-bold text-txt-primary truncate leading-tight">{channel.name}</span>
+          <span className="font-bold text-[15px] tracking-[-0.02em] text-txt-primary truncate leading-tight">{channel.name}</span>
           {channel.topic && (
             <>
               <div className="w-[1px] h-6 bg-interactive-muted mx-2" />
-              <span className="text-xs text-txt-tertiary truncate leading-tight">{channel.topic}</span>
+              <span className="text-[13px] text-txt-tertiary truncate leading-tight">{channel.topic}</span>
             </>
           )}
         </div>
diff --git a/packages/web/src/components/layout/MemberSidebar.tsx b/packages/web/src/components/layout/MemberSidebar.tsx
index 35e706d1..37054702 100644
--- a/packages/web/src/components/layout/MemberSidebar.tsx
+++ b/packages/web/src/components/layout/MemberSidebar.tsx
@@ -100,7 +100,7 @@ export function MemberSidebar() {
       <div
         key={member.userId}
         onClick={(e) => handleMemberClick(e, member.user)}
-        className="flex items-center gap-3 px-2 py-1.5 rounded-[4px] hover:bg-interactive-hover cursor-pointer group transition-colors"
+        className="flex items-center gap-2.5 px-2 py-1.5 rounded-[4px] hover:bg-interactive-hover cursor-pointer group transition-colors"
       >
         <Avatar
           src={member.user.avatar}
@@ -111,13 +111,13 @@ export function MemberSidebar() {
         />
         <div className="flex-1 min-w-0">
           <div
-            className={`text-[15px] font-medium truncate ${isOffline ? 'text-txt-tertiary' : (!colorStyle ? 'text-txt-primary' : '')}`}
+            className={`text-[13.5px] leading-[1.2] font-medium truncate ${isOffline ? 'text-txt-tertiary' : (!colorStyle ? 'text-txt-primary' : '')}`}
             style={colorStyle}
           >
             {displayName}
           </div>
           {!isOffline && member.user.customStatus && (
-            <div className="text-[12px] text-txt-tertiary truncate">{member.user.customStatus}</div>
+            <div className="text-[11px] leading-[1.3] text-txt-tertiary truncate">{member.user.customStatus}</div>
           )}
         </div>
       </div>
@@ -130,7 +130,7 @@ export function MemberSidebar() {
         {/* Role-based groups */}
         {roleGroups.map(([key, group]) => (
           <div key={key} className="mb-4">
-            <h3 className="text-[12px] font-bold text-txt-tertiary uppercase tracking-wider px-2 mb-1">
+            <h3 className="text-[10.5px] font-bold text-txt-tertiary uppercase tracking-[0.06em] px-2 mb-1">
               {group.label} — {group.members.length}
             </h3>
             {group.members.map((m) => renderMember(m))}
@@ -140,7 +140,7 @@ export function MemberSidebar() {
         {/* Offline */}
         {offlineMembers.length > 0 && (
           <div>
-            <h3 className="text-[12px] font-bold text-txt-tertiary uppercase tracking-wider px-2 mb-1">
+            <h3 className="text-[10.5px] font-bold text-txt-tertiary uppercase tracking-[0.06em] px-2 mb-1">
               OFFLINE — {offlineMembers.length}
             </h3>
             {offlineMembers.map((m) => renderMember(m, true))}
diff --git a/packages/web/src/styles/globals.css b/packages/web/src/styles/globals.css
index 647da68b..10c68178 100644
--- a/packages/web/src/styles/globals.css
+++ b/packages/web/src/styles/globals.css
@@ -35,6 +35,7 @@
     --text-primary: #efefef;
     --text-secondary: #a0a0aa;
     --text-tertiary: #5c5c68;
+    --text-category: #484854;
     --text-message: #d8d8de;
     --text-link: #7dd3fc;
     --text-positive: #86efac;