diff --git a/artifacts/visual-qa/desktop-with-krona-ai.png b/artifacts/visual-qa/desktop-with-krona-ai.png
index a4bd8cc..6dd98f6 100644
Binary files a/artifacts/visual-qa/desktop-with-krona-ai.png and b/artifacts/visual-qa/desktop-with-krona-ai.png differ
diff --git a/artifacts/visual-qa/desktop-without-krona-ai.png b/artifacts/visual-qa/desktop-without-krona-ai.png
index f5375cd..236d70c 100644
Binary files a/artifacts/visual-qa/desktop-without-krona-ai.png and b/artifacts/visual-qa/desktop-without-krona-ai.png differ
diff --git a/artifacts/visual-qa/graphite-forest-dark-desktop-1440.png b/artifacts/visual-qa/graphite-forest-dark-desktop-1440.png
index 5533e10..a65d7f1 100644
Binary files a/artifacts/visual-qa/graphite-forest-dark-desktop-1440.png and b/artifacts/visual-qa/graphite-forest-dark-desktop-1440.png differ
diff --git a/artifacts/visual-qa/graphite-forest-dark-mobile-390.png b/artifacts/visual-qa/graphite-forest-dark-mobile-390.png
index 296d4b6..0ca82a6 100644
Binary files a/artifacts/visual-qa/graphite-forest-dark-mobile-390.png and b/artifacts/visual-qa/graphite-forest-dark-mobile-390.png differ
diff --git a/artifacts/visual-qa/manifest.json b/artifacts/visual-qa/manifest.json
index 3250263..f215093 100644
--- a/artifacts/visual-qa/manifest.json
+++ b/artifacts/visual-qa/manifest.json
@@ -1,5 +1,5 @@
 {
-  "generatedAt": "2026-09-11T12:29:57.828Z",
+  "generatedAt": "2026-09-12T05:25:45.504Z",
   "module": "communications",
   "version": "v3.0",
   "referenceMockups": [
@@ -68,13 +68,13 @@
       "filename": "desktop-with-krona-ai.png",
       "theme": "state-capture",
       "viewport": "desktop-with-krona-ai",
-      "capturedAt": "2026-09-11T12:29:50.764Z"
+      "capturedAt": "2026-09-12T05:25:45.132Z"
     },
     {
       "filename": "desktop-without-krona-ai.png",
       "theme": "state-capture",
       "viewport": "desktop-without-krona-ai",
-      "capturedAt": "2026-09-11T12:29:49.887Z"
+      "capturedAt": "2026-09-12T05:25:44.475Z"
     },
     {
       "filename": "graphite-forest-dark-desktop-1280.png",
@@ -86,7 +86,7 @@
       "filename": "graphite-forest-dark-desktop-1440.png",
       "theme": "graphite-forest-dark",
       "viewport": "desktop-1440",
-      "capturedAt": "2026-09-11T12:22:07.332Z"
+      "capturedAt": "2026-09-12T05:25:42.065Z"
     },
     {
       "filename": "graphite-forest-dark-desktop-1920.png",
@@ -104,7 +104,7 @@
       "filename": "graphite-forest-dark-mobile-390.png",
       "theme": "graphite-forest-dark",
       "viewport": "mobile-390",
-      "capturedAt": "2026-09-11T12:21:02.940Z"
+      "capturedAt": "2026-09-12T05:25:33.933Z"
     },
     {
       "filename": "graphite-forest-dark-mobile-430.png",
@@ -128,19 +128,19 @@
       "filename": "mobile-chat.png",
       "theme": "state-capture",
       "viewport": "mobile-chat",
-      "capturedAt": "2026-09-11T12:29:13.147Z"
+      "capturedAt": "2026-09-12T05:25:36.209Z"
     },
     {
       "filename": "mobile-contact.png",
       "theme": "state-capture",
       "viewport": "mobile-contact",
-      "capturedAt": "2026-09-11T12:29:13.337Z"
+      "capturedAt": "2026-09-12T05:25:36.390Z"
     },
     {
       "filename": "mobile-list.png",
       "theme": "state-capture",
       "viewport": "mobile-list",
-      "capturedAt": "2026-09-11T12:29:12.902Z"
+      "capturedAt": "2026-09-12T05:25:35.998Z"
     },
     {
       "filename": "noble-green-desktop-1280.png",
@@ -152,7 +152,7 @@
       "filename": "noble-green-desktop-1440.png",
       "theme": "noble-green",
       "viewport": "desktop-1440",
-      "capturedAt": "2026-09-11T12:22:06.701Z"
+      "capturedAt": "2026-09-12T05:25:41.554Z"
     },
     {
       "filename": "noble-green-desktop-1920.png",
@@ -170,7 +170,7 @@
       "filename": "noble-green-mobile-390.png",
       "theme": "noble-green",
       "viewport": "mobile-390",
-      "capturedAt": "2026-09-11T12:21:02.534Z"
+      "capturedAt": "2026-09-12T05:25:33.543Z"
     },
     {
       "filename": "noble-green-mobile-430.png",
@@ -200,7 +200,7 @@
       "filename": "parchment-light-desktop-1440.png",
       "theme": "parchment-light",
       "viewport": "desktop-1440",
-      "capturedAt": "2026-09-11T12:22:06.120Z"
+      "capturedAt": "2026-09-12T05:25:41.001Z"
     },
     {
       "filename": "parchment-light-desktop-1920.png",
@@ -218,7 +218,7 @@
       "filename": "parchment-light-mobile-390.png",
       "theme": "parchment-light",
       "viewport": "mobile-390",
-      "capturedAt": "2026-09-11T12:21:02.124Z"
+      "capturedAt": "2026-09-12T05:25:33.154Z"
     },
     {
       "filename": "parchment-light-mobile-430.png",
diff --git a/artifacts/visual-qa/mobile-chat.png b/artifacts/visual-qa/mobile-chat.png
index 118e201..510ae8f 100644
Binary files a/artifacts/visual-qa/mobile-chat.png and b/artifacts/visual-qa/mobile-chat.png differ
diff --git a/artifacts/visual-qa/mobile-contact.png b/artifacts/visual-qa/mobile-contact.png
index 859363e..cd8e087 100644
Binary files a/artifacts/visual-qa/mobile-contact.png and b/artifacts/visual-qa/mobile-contact.png differ
diff --git a/artifacts/visual-qa/mobile-list.png b/artifacts/visual-qa/mobile-list.png
index a76c5f3..7bd8f3b 100644
Binary files a/artifacts/visual-qa/mobile-list.png and b/artifacts/visual-qa/mobile-list.png differ
diff --git a/artifacts/visual-qa/noble-green-desktop-1440.png b/artifacts/visual-qa/noble-green-desktop-1440.png
index 5ce5049..a8b3018 100644
Binary files a/artifacts/visual-qa/noble-green-desktop-1440.png and b/artifacts/visual-qa/noble-green-desktop-1440.png differ
diff --git a/artifacts/visual-qa/noble-green-mobile-390.png b/artifacts/visual-qa/noble-green-mobile-390.png
index 51ec7ff..2ceb121 100644
Binary files a/artifacts/visual-qa/noble-green-mobile-390.png and b/artifacts/visual-qa/noble-green-mobile-390.png differ
diff --git a/artifacts/visual-qa/parchment-light-desktop-1440.png b/artifacts/visual-qa/parchment-light-desktop-1440.png
index 57c61ad..c4a049f 100644
Binary files a/artifacts/visual-qa/parchment-light-desktop-1440.png and b/artifacts/visual-qa/parchment-light-desktop-1440.png differ
diff --git a/artifacts/visual-qa/parchment-light-mobile-390.png b/artifacts/visual-qa/parchment-light-mobile-390.png
index 4c9dabe..8daf48e 100644
Binary files a/artifacts/visual-qa/parchment-light-mobile-390.png and b/artifacts/visual-qa/parchment-light-mobile-390.png differ
diff --git a/e2e/13-communications-visual-and-responsive.spec.ts b/e2e/13-communications-visual-and-responsive.spec.ts
index 211dc14..6db33d8 100644
--- a/e2e/13-communications-visual-and-responsive.spec.ts
+++ b/e2e/13-communications-visual-and-responsive.spec.ts
@@ -43,23 +43,16 @@ test.describe('Scenario 13: Communications Visual & Responsive Design System V3
     }
   });
 
-  test('2. Header, Slogan Watermark, and Channel Switcher validation', async ({ page }) => {
+  test('2. Compact header and channel switcher validation', async ({ page }) => {
     const vp = page.viewportSize();
     const isMobile = (vp?.width ?? 1200) < 640;
-    const isDesktop = (vp?.width ?? 1200) >= 1024;
 
     // Check main header
     await expect(page.locator('h1', { hasText: 'Коммуникации' })).toBeVisible();
 
-    if (!isMobile) {
-      await expect(
-        page.locator('text=Все сообщения, почта и каналы компании в одном пространстве')
-      ).toBeVisible();
-    }
-
-    if (isDesktop) {
-      await expect(page.locator('text=Больше, чем общение с поддержкой')).toBeVisible();
-    }
+    await expect(page.getByText('Все сообщения, почта и каналы компании в одном пространстве')).toHaveCount(0);
+    await expect(page.getByText('Больше, чем общение с поддержкой')).toHaveCount(0);
+    await expect(page.getByRole('button', { name: /добавить канал/i })).toHaveCount(0);
 
     // Check all 5 tabs
     await expect(page.getByRole('tab', { name: /мессенджеры/i })).toBeVisible();
diff --git a/src/app/shell/Sidebar.tsx b/src/app/shell/Sidebar.tsx
index 0312524..2205084 100644
--- a/src/app/shell/Sidebar.tsx
+++ b/src/app/shell/Sidebar.tsx
@@ -66,12 +66,12 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
   return (
     <aside
       data-testid="sidebar"
-      className={`relative h-screen bg-[#252722] text-[#D8D8D0] hidden md:flex flex-col border-r border-[#3A3D35] transition-all duration-200 z-20 select-none ${
+      className={`relative h-screen bg-[var(--sidebar-bg)] text-[var(--sidebar-text)] hidden md:flex flex-col border-r border-[var(--sidebar-border)] transition-[width,background-color,color,border-color] duration-300 z-20 select-none ${
         collapsed ? 'w-16' : 'w-56'
       }`}
     >
       {/* Brand Header */}
-      <div className="h-14 px-3.5 flex items-center justify-between border-b border-[#3A3D35] bg-[#20221E]">
+      <div className="h-14 px-3.5 flex items-center justify-between border-b border-[var(--sidebar-border)] bg-[var(--sidebar-deep)] transition-colors duration-300">
         <div className="flex items-center gap-2.5 overflow-hidden">
           {/* Logo asset from public/branding/krona-symbol.png */}
           <img
@@ -81,10 +81,10 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
           />
           {!collapsed && (
             <div className="flex flex-col min-w-0 leading-tight select-none">
-              <span className="text-sm font-bold tracking-wider text-[#E5B842] uppercase truncate">
+              <span className="text-sm font-bold tracking-wider text-[var(--krona-gold)] uppercase truncate">
                 Крона
               </span>
-              <span className="text-[9px] uppercase tracking-widest text-[#B78335] font-semibold">
+              <span className="text-[9px] uppercase tracking-widest text-[var(--krona-gold)] font-semibold">
                 Бизнес-платформа
               </span>
             </div>
@@ -93,7 +93,7 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
 
         <button
           onClick={() => setUserCollapsed(!collapsed)}
-          className="p-1 rounded text-[#858980] hover:text-[#D8D8D0] hover:bg-[#30332C] transition-colors"
+          className="p-1 rounded text-[var(--sidebar-text-muted)] hover:text-[var(--sidebar-text)] hover:bg-[var(--sidebar-hover)] transition-colors"
           title={collapsed ? 'Развернуть меню' : 'Свернуть меню'}
         >
           {collapsed ? <ChevronRight className="w-4 h-4" /> : <ChevronLeft className="w-4 h-4" />}
@@ -110,8 +110,8 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
             className={({ isActive }) =>
               `group relative flex items-center gap-2.5 px-2.5 py-2 rounded-md text-xs font-medium transition-all ${
                 isActive
-                  ? 'bg-[#34382F] text-[#F5F0E5] font-semibold'
-                  : 'text-[#BFC1B9] hover:text-[#F5F0E5] hover:bg-[#30332C]'
+                  ? 'bg-[var(--sidebar-active)] text-[var(--sidebar-text-active)] font-semibold'
+                  : 'text-[var(--sidebar-text-secondary)] hover:text-[var(--sidebar-text)] hover:bg-[var(--sidebar-hover)]'
               }`
             }
             title={collapsed ? item.label : undefined}
@@ -120,10 +120,10 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
               <>
                 {/* Active indicator bar */}
                 {isActive && (
-                  <div className="absolute left-0 top-1.5 bottom-1.5 w-1 bg-[#B78335] rounded-r" />
+                  <div className="absolute left-0 top-1.5 bottom-1.5 w-1 bg-[var(--sidebar-indicator)] rounded-r" />
                 )}
 
-                <div className={`shrink-0 ${isActive ? 'text-[#D4B16D]' : 'text-[#BFC1B9]'}`}>
+                <div className={`shrink-0 ${isActive ? 'text-[var(--sidebar-icon-active)]' : 'text-[var(--sidebar-icon)]'}`}>
                   {ICON_MAP[item.iconName] || <LayoutDashboard className="w-4 h-4 shrink-0" />}
                 </div>
 
@@ -131,7 +131,7 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
                   <div className="flex-1 flex items-center justify-between truncate">
                     <span className="truncate">{item.label}</span>
                     {item.badge && (
-                      <span className="text-[10px] px-1.5 py-0.5 rounded-full bg-[#3A3D35] text-[#D8D8D0] font-mono">
+                      <span className="text-[10px] px-1.5 py-0.5 rounded-full bg-[var(--sidebar-surface)] text-[var(--sidebar-text)] font-mono">
                         {item.badge}
                       </span>
                     )}
@@ -144,9 +144,9 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
 
         {/* Custom Entities Section */}
         {customEntities.length > 0 && (
-          <div className="pt-2 mt-2 border-t border-[#3A3D35]/80">
+          <div className="pt-2 mt-2 border-t border-[var(--sidebar-border)]">
             {!collapsed && (
-              <div className="px-2 pb-1 text-[10px] font-semibold uppercase tracking-wider text-[#858980]">
+              <div className="px-2 pb-1 text-[10px] font-semibold uppercase tracking-wider text-[var(--sidebar-text-muted)]">
                 Пользовательские модули
               </div>
             )}
@@ -157,8 +157,8 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
                 className={({ isActive }) =>
                   `group relative flex items-center gap-2.5 px-2.5 py-1.5 rounded-md text-xs font-medium transition-all ${
                     isActive
-                      ? 'bg-[#34382F] text-[#F5F0E5] font-semibold'
-                      : 'text-[#BFC1B9] hover:text-[#F5F0E5] hover:bg-[#30332C]'
+                      ? 'bg-[var(--sidebar-active)] text-[var(--sidebar-text-active)] font-semibold'
+                      : 'text-[var(--sidebar-text-secondary)] hover:text-[var(--sidebar-text)] hover:bg-[var(--sidebar-hover)]'
                   }`
                 }
                 title={collapsed ? ent.name : undefined}
@@ -166,7 +166,7 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
                 {({ isActive }) => (
                   <>
                     {isActive && (
-                      <div className="absolute left-0 top-1.5 bottom-1.5 w-1 bg-[#B78335] rounded-r" />
+                      <div className="absolute left-0 top-1.5 bottom-1.5 w-1 bg-[var(--sidebar-indicator)] rounded-r" />
                     )}
                     <div className="shrink-0 text-krona-gold">
                       <Sparkles className="w-3.5 h-3.5" />
@@ -188,8 +188,8 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
             className={({ isActive }) =>
               `group relative flex items-center gap-2.5 px-2.5 py-1.5 rounded-md text-xs font-medium transition-all ${
                 isActive
-                  ? 'bg-[#34382F] text-[#F5F0E5] font-semibold'
-                  : 'text-[#BFC1B9] hover:text-[#F5F0E5] hover:bg-[#30332C]'
+                  ? 'bg-[var(--sidebar-active)] text-[var(--sidebar-text-active)] font-semibold'
+                  : 'text-[var(--sidebar-text-secondary)] hover:text-[var(--sidebar-text)] hover:bg-[var(--sidebar-hover)]'
               }`
             }
             title={collapsed ? 'Конструктор сущностей' : undefined}
@@ -197,7 +197,7 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
             {({ isActive }) => (
               <>
                 {isActive && (
-                  <div className="absolute left-0 top-1.5 bottom-1.5 w-1 bg-[#B78335] rounded-r" />
+                  <div className="absolute left-0 top-1.5 bottom-1.5 w-1 bg-[var(--sidebar-indicator)] rounded-r" />
                 )}
                 <div className="shrink-0 text-krona-green">
                   <Workflow className="w-3.5 h-3.5" />
@@ -212,14 +212,14 @@ export const Sidebar: React.FC<SidebarProps> = ({ isTabletCompact = false }) =>
       </div>
 
       {/* Footer / Role indicator */}
-      <div className="p-2.5 border-t border-[#3A3D35] bg-[#20221E]/60 text-xs">
+      <div className="p-2.5 border-t border-[var(--sidebar-border)] bg-[var(--sidebar-deep)] text-xs transition-colors duration-300">
         {!collapsed ? (
           <div className="flex items-center justify-between">
             <div className="flex items-center gap-2">
               <div className="w-2 h-2 rounded-full bg-krona-green animate-pulse" />
               <div className="truncate">
-                <div className="text-[11px] font-semibold text-[#F5F0E5] truncate">{role.label}</div>
-                <div className="text-[9px] text-[#858980]">RBAC: {role.badge}</div>
+                <div className="text-[11px] font-semibold text-[var(--sidebar-text)] truncate">{role.label}</div>
+                <div className="text-[9px] text-[var(--sidebar-text-muted)]">RBAC: {role.badge}</div>
               </div>
             </div>
           </div>
diff --git a/src/app/shell/Topbar.tsx b/src/app/shell/Topbar.tsx
index 0c23198..e4af9cb 100644
--- a/src/app/shell/Topbar.tsx
+++ b/src/app/shell/Topbar.tsx
@@ -54,6 +54,7 @@ export const Topbar: React.FC = () => {
     if (m.route === '/') return currentPath === '/';
     return currentPath.startsWith(m.route);
   }) || SYSTEM_MODULES[0];
+  const isCommunicationsModule = currentModule.id === 'communications';
 
   // For operations, subtabs are dynamic based on active profile & capabilities
   const getSubtabs = () => {
@@ -351,8 +352,16 @@ export const Topbar: React.FC = () => {
         </div>
       </div>
 
+      {/* Communications owns its local tabs inside the module. Keep only the
+          module title here so the shell does not render a duplicate menu. */}
+      {isCommunicationsModule && (
+        <div className="hidden md:flex h-10 px-5 border-t border-krona-border/60 bg-krona-workspace/40 items-center shrink-0">
+          <span className="font-serif text-lg font-bold text-krona-primary">Коммуникации</span>
+        </div>
+      )}
+
       {/* Subheader / Subtabs Navigation Bar (Desktop & Tablet) */}
-      {activeSubtabs.length > 0 && (
+      {!isCommunicationsModule && activeSubtabs.length > 0 && (
         <div className="h-10 px-4 border-t border-krona-border/60 bg-krona-workspace/40 flex items-center overflow-x-auto gap-1 text-xs">
           {activeSubtabs.map((tab) => {
             const isActive =
diff --git a/src/features/communications/CommunicationsModule.tsx b/src/features/communications/CommunicationsModule.tsx
index 7b1bb37..414fde7 100644
--- a/src/features/communications/CommunicationsModule.tsx
+++ b/src/features/communications/CommunicationsModule.tsx
@@ -41,7 +41,6 @@ export function CommunicationsModule() {
       <CommunicationsHeader
         activeTab={currentTab}
         onTabChange={handleTabChange}
-        onAddChannel={() => setIsConnectChannelOpen(true)}
         unreadChats={48}
         unreadEmails={10}
         unreadChannels={4}
diff --git a/src/features/communications/components/CommunicationsHeader.tsx b/src/features/communications/components/CommunicationsHeader.tsx
index bb7f3b8..fa51ecd 100644
--- a/src/features/communications/components/CommunicationsHeader.tsx
+++ b/src/features/communications/components/CommunicationsHeader.tsx
@@ -1,12 +1,11 @@
 import React from 'react';
-import { MessageSquare, Mail, Hash, Users, Settings, Plus } from 'lucide-react';
+import { MessageSquare, Mail, Hash, Users, Settings } from 'lucide-react';
 import { CommunicationTab } from '../types';
-import { Button, Tabs } from '@krona/ui';
+import { Tabs } from '@krona/ui';
 
 interface CommunicationsHeaderProps {
   activeTab: CommunicationTab;
   onTabChange: (tab: CommunicationTab) => void;
-  onAddChannel: () => void;
   unreadChats: number;
   unreadEmails: number;
   unreadChannels: number;
@@ -15,7 +14,6 @@ interface CommunicationsHeaderProps {
 export function CommunicationsHeader({
   activeTab,
   onTabChange,
-  onAddChannel,
   unreadChats,
   unreadEmails,
   unreadChannels,
@@ -52,51 +50,8 @@ export function CommunicationsHeader({
   ];
 
   return (
-    <header className="relative bg-[var(--krona-surface)] border-b border-[var(--krona-border-subtle)] px-3 sm:px-6 pt-3 sm:pt-5 pb-2 sm:pb-3 shrink-0 overflow-hidden">
-      <div className="hidden lg:flex items-center gap-3 absolute right-8 top-4 text-right pointer-events-none opacity-50 font-serif italic text-sm text-[var(--krona-text-secondary)]">
-        <span>Больше, чем общение с поддержкой</span>
-        <svg
-          className="w-8 h-8 text-[var(--krona-gold)] shrink-0"
-          viewBox="0 0 32 32"
-          fill="none"
-          stroke="currentColor"
-          strokeWidth="1.2"
-          aria-hidden="true"
-        >
-          <path d="M16 28C16 18 20 10 28 6" strokeLinecap="round" />
-          <path d="M16 24C12 20 8 18 4 17" strokeLinecap="round" />
-          <path d="M16 19C20 16 24 15 27 15" strokeLinecap="round" />
-          <path d="M16 14C12 11 9 10 6 10" strokeLinecap="round" />
-          <path d="M18 10C21 8 24 7 26 7" strokeLinecap="round" />
-          <circle cx="28" cy="6" r="1.5" fill="currentColor" />
-          <circle cx="4" cy="17" r="1.5" fill="currentColor" />
-          <circle cx="27" cy="15" r="1.5" fill="currentColor" />
-          <circle cx="6" cy="10" r="1.5" fill="currentColor" />
-        </svg>
-      </div>
-
-      <div className="flex items-center justify-between gap-3 mb-2 sm:mb-4">
-        <div>
-          <h1 className="text-xl sm:text-3xl font-bold font-serif text-[var(--krona-text-primary)]">
-            Коммуникации
-          </h1>
-          <p className="hidden sm:block text-sm text-[var(--krona-text-secondary)] mt-1">
-            Все сообщения, почта и каналы компании в одном пространстве
-          </p>
-        </div>
-
-        {/* Mobile compact action button */}
-        <button
-          type="button"
-          onClick={onAddChannel}
-          className="sm:hidden h-10 w-10 rounded-lg border border-[var(--krona-border)] bg-[var(--krona-surface)] hover:bg-[var(--krona-surface-hover)] text-[var(--krona-primary)] font-medium flex items-center justify-center shrink-0 transition-colors active:scale-95"
-          aria-label="Добавить канал"
-        >
-          <Plus className="w-4 h-4 text-[var(--krona-primary)]" />
-          <span className="sr-only">Добавить канал</span>
-        </button>
-      </div>
-
+    <header className="bg-[var(--krona-surface)] border-b border-[var(--krona-border-subtle)] px-3 sm:px-5 py-1.5 shrink-0 overflow-hidden">
+      <h1 className="sr-only">Коммуникации</h1>
       <div className="flex items-center justify-between gap-3 min-w-0">
         <div className="flex-1 min-w-0 overflow-x-auto scrollbar-none">
           <Tabs
@@ -107,17 +62,6 @@ export function CommunicationsHeader({
           />
         </div>
 
-        {/* Desktop / Tablet full button */}
-        <div className="hidden sm:flex items-center gap-2 shrink-0">
-          <Button
-            variant="secondary"
-            size="sm"
-            onClick={onAddChannel}
-            leftIcon={<Plus className="w-4 h-4 text-[var(--krona-primary)]" />}
-          >
-            Добавить канал
-          </Button>
-        </div>
       </div>
     </header>
   );