diff --git a/frontend/src/app/providers/layout/layout.tsx b/frontend/src/app/providers/layout/layout.tsx
index 4210ac4..8a54aea 100644
--- a/frontend/src/app/providers/layout/layout.tsx
+++ b/frontend/src/app/providers/layout/layout.tsx
@@ -4,9 +4,34 @@ import { Navigation } from "@/app/providers/layout/navigation/navigation";
 import { useAgentStore } from "@/app/providers/layout/store/agent.store";
 
 export const Layout = ({ children }: { children: ReactNode }) => {
-  const [isOpen, setOpen] = useState(true);
+  const [mobileOpen, setMobileOpen] = useState(false);
+  const [isMobile, setIsMobile] = useState(() =>
+    typeof window !== "undefined" ? window.innerWidth < 856 : false,
+  );
   const { fetchAgents } = useAgentStore();
 
+  const sidebarOpen = isMobile ? mobileOpen : true;
+
+  useEffect(() => {
+    const handleResize = () => {
+      const mobile = window.innerWidth < 856;
+      setIsMobile(mobile);
+      if (!mobile) {
+        setMobileOpen(false);
+      }
+    };
+
+    window.addEventListener("resize", handleResize);
+    handleResize();
+    return () => window.removeEventListener("resize", handleResize);
+  }, []);
+
+  const toggleSidebar = () => {
+    if (isMobile) {
+      setMobileOpen((prev) => !prev);
+    }
+  };
+
   useEffect(() => {
     fetchAgents();
   }, [fetchAgents]);
@@ -20,10 +45,17 @@ export const Layout = ({ children }: { children: ReactNode }) => {
   }, [fetchAgents]);
 
   return (
-    <div className="flex h-screen overflow-hidden" style={{ backgroundColor: "var(--bg-primary)" }}>
-      <Sidebar isOpen={isOpen} onToggle={() => setOpen(!isOpen)} />
+    <div
+      className="flex h-screen overflow-hidden"
+      style={{ backgroundColor: "var(--bg-primary)" }}
+    >
+      <Sidebar
+        isOpen={sidebarOpen}
+        onToggle={toggleSidebar}
+        isMobile={isMobile}
+      />
       <div className="flex-1 flex flex-col min-w-0 overflow-hidden">
-        <Navigation />
+        <Navigation onToggleSidebar={toggleSidebar} isMobile={isMobile} />
         <div className="flex-1 overflow-auto p-4">{children}</div>
       </div>
     </div>
diff --git a/frontend/src/app/providers/layout/navigation/navigation.tsx b/frontend/src/app/providers/layout/navigation/navigation.tsx
index a081579..289c62c 100644
--- a/frontend/src/app/providers/layout/navigation/navigation.tsx
+++ b/frontend/src/app/providers/layout/navigation/navigation.tsx
@@ -1,6 +1,6 @@
 import { useState, useRef, useEffect } from "react";
 import { useNavigate, useLocation } from "react-router-dom";
-import { FaCode, FaChevronDown } from "react-icons/fa";
+import { FaBars, FaCode, FaChevronDown } from "react-icons/fa";
 import {
   FaHome,
   FaServer,
@@ -21,7 +21,15 @@ import {
   getCurrentTheme,
 } from "@/modules/theme-changer/utils/apply.theme";
 
-export const Navigation = () => {
+interface NavigationProps {
+  onToggleSidebar?: () => void;
+  isMobile?: boolean;
+}
+
+export const Navigation: React.FC<NavigationProps> = ({
+  onToggleSidebar,
+  isMobile,
+}) => {
   const navigate = useNavigate();
   const location = useLocation();
   const { user, logout } = useAuthStore();
@@ -75,6 +83,22 @@ export const Navigation = () => {
       }}
     >
       <div className="flex items-center justify-between px-4 py-2.5">
+        {/* Бургер — только на мобильных */}
+        {isMobile && (
+          <button
+            onClick={onToggleSidebar}
+            className="p-1.5 mr-2 rounded-lg transition-colors flex-shrink-0"
+            style={{
+              backgroundColor: "transparent",
+              color: "var(--text-secondary)",
+              border: "1px solid var(--border)",
+            }}
+            aria-label="Открыть sidebar"
+          >
+            <FaBars size={14} />
+          </button>
+        )}
+
         {/* Навигация */}
         <div className="flex items-center flex-1 mx-4 overflow-x-auto scrollbar-hide">
           <div className="flex items-center gap-1 whitespace-nowrap">
diff --git a/frontend/src/app/providers/layout/sidebar/sidebar.tsx b/frontend/src/app/providers/layout/sidebar/sidebar.tsx
index 763cf74..6064324 100644
--- a/frontend/src/app/providers/layout/sidebar/sidebar.tsx
+++ b/frontend/src/app/providers/layout/sidebar/sidebar.tsx
@@ -1,4 +1,4 @@
-import React, { useMemo, useState } from "react";
+import React, { useMemo, useState, useRef, useEffect } from "react";
 import {
   FaBars,
   FaMicrochip,
@@ -21,11 +21,13 @@ import { adminApi } from "@/modules/admin/api/admin.api";
 interface SidebarProps {
   isOpen?: boolean;
   onToggle?: () => void;
+  isMobile?: boolean;
 }
 
 export const Sidebar: React.FC<SidebarProps> = ({
   isOpen = true,
   onToggle,
+  isMobile = false,
 }) => {
   const navigate = useNavigate();
   const { agents, isLoading, error, fetchAgents, removeAgent } =
@@ -35,10 +37,26 @@ export const Sidebar: React.FC<SidebarProps> = ({
   const [copied, setCopied] = useState(false);
   const [showTokenModal, setShowTokenModal] = useState(false);
   const [showGraphs, setShowGraphs] = useState(false);
+  const [sidebarWidth, setSidebarWidth] = useState(288);
+  const sidebarRef = useRef<HTMLDivElement>(null);
   const [expandedAgents, setExpandedAgents] = useState<Set<string>>(
     new Set(agents.map((a) => a.label)),
   );
 
+  // Рассчитываем максимальную ширину при переключении на графы
+  useEffect(() => {
+    const updateWidth = () => {
+      const targetWidth = showGraphs ? 500 : 288;
+      const maxWidth = window.innerWidth - 200;
+      const finalWidth = Math.min(targetWidth, maxWidth);
+      setSidebarWidth(Math.max(finalWidth, 250));
+    };
+
+    updateWidth();
+    window.addEventListener("resize", updateWidth);
+    return () => window.removeEventListener("resize", updateWidth);
+  }, [showGraphs]);
+
   // Token generation state
   const [tokenLabel, setTokenLabel] = useState("");
   const [generatedToken, setGeneratedToken] = useState<string | null>(null);
@@ -132,35 +150,21 @@ export const Sidebar: React.FC<SidebarProps> = ({
   };
 
   if (!isOpen) {
-    return (
-      <button
-        onClick={onToggle}
-        className="fixed top-4 left-4 z-50 p-2.5 rounded-lg shadow-lg transition-colors md:hidden"
-        style={{
-          backgroundColor: "var(--accent)",
-          color: "var(--accent-text)",
-        }}
-        aria-label="Открыть sidebar"
-      >
-        <FaBars size={18} />
-      </button>
-    );
+    return null;
   }
 
   return (
     <>
-      {/* Overlay для мобильных */}
-      <div
-        className="fixed inset-0 bg-black/50 z-40 md:hidden"
-        onClick={onToggle}
-      />
+      {/* Overlay — только на мобильных (< 856px) */}
+      {isMobile && (
+        <div className="fixed inset-0 bg-black/50 z-40" onClick={onToggle} />
+      )}
 
       <aside
-        className={`fixed md:relative z-50 transition-all duration-300 ease-in-out flex flex-col ${
-          isOpen ? "translate-x-0" : "-translate-x-full md:translate-x-0"
-        }`}
+        ref={sidebarRef}
+        className={`${isMobile ? "fixed" : "relative"} z-50 transition-all duration-300 ease-in-out flex flex-col`}
         style={{
-          width: showGraphs ? "500px" : "288px",
+          width: `${sidebarWidth}px`,
           height: "100vh",
           backgroundColor: "var(--card-bg)",
           borderRight: "1px solid var(--border)",
@@ -191,8 +195,9 @@ export const Sidebar: React.FC<SidebarProps> = ({
           </div>
           <button
             onClick={onToggle}
-            className="p-1 rounded transition-colors md:hidden"
+            className={`p-1 rounded transition-colors ${isMobile ? "" : "hidden"}`}
             style={{ color: "var(--text-secondary)" }}
+            aria-label="Закрыть sidebar"
           >
             <FaTimes size={14} />
           </button>