diff --git a/src/app/(app)/dashboard/page.tsx b/src/app/(app)/dashboard/page.tsx
index a7b0fd2..0ada2b3 100644
--- a/src/app/(app)/dashboard/page.tsx
+++ b/src/app/(app)/dashboard/page.tsx
@@ -108,7 +108,7 @@ export default function DashboardPage() {
               <a
                 key={server._id}
                 href={`/servers/${server._id}`}
-                className="flex items-center justify-between px-6 py-4 hover:bg-gray-800 transition-colors"
+                className="flex items-center justify-between px-4 sm:px-6 py-4 hover:bg-gray-800 transition-colors gap-3"
               >
                 <div className="flex items-center gap-4">
                   <Server size={20} className="text-gray-500" />
diff --git a/src/app/(app)/layout.tsx b/src/app/(app)/layout.tsx
index 7fd6cb2..de58a80 100644
--- a/src/app/(app)/layout.tsx
+++ b/src/app/(app)/layout.tsx
@@ -20,7 +20,7 @@ export default function AppLayout({ children }: { children: React.ReactNode }) {
   return (
     <div className="flex h-screen bg-gray-950">
       <Sidebar />
-      <main className="flex-1 overflow-y-auto p-6">
+      <main className="flex-1 overflow-y-auto p-4 pt-18 lg:p-6 lg:pt-6">
         {children}
       </main>
     </div>
diff --git a/src/app/(app)/servers/[id]/page.tsx b/src/app/(app)/servers/[id]/page.tsx
index 9cc46bb..f15f83d 100644
--- a/src/app/(app)/servers/[id]/page.tsx
+++ b/src/app/(app)/servers/[id]/page.tsx
@@ -196,7 +196,7 @@ export default function ServerDetailPage() {
         description={`${server.type} · ${server.version} · Port ${server.port}`}
         icon={Server}
         actions={
-          <div className="flex items-center gap-2">
+          <div className="flex flex-wrap items-center gap-2">
             <ServerStatusBadge status={server.status} size="md" />
 
             {hasPermission('servers:start') && server.status === 'offline' && (
diff --git a/src/components/ConsoleViewer.tsx b/src/components/ConsoleViewer.tsx
index 09b7ae3..426388e 100644
--- a/src/components/ConsoleViewer.tsx
+++ b/src/components/ConsoleViewer.tsx
@@ -88,7 +88,7 @@ export default function ConsoleViewer({ serverId, readOnly = false }: ConsoleVie
       {/* Console Output */}
       <div
         ref={containerRef}
-        className="flex-1 overflow-y-auto p-4 font-mono text-sm text-gray-300 space-y-0.5 min-h-[400px]"
+        className="flex-1 overflow-y-auto p-4 font-mono text-xs sm:text-sm text-gray-300 space-y-0.5 min-h-[300px] sm:min-h-[400px]"
       >
         {lines.length === 0 ? (
           <p className="text-gray-600 italic">Waiting for server output...</p>
diff --git a/src/components/PageHeader.tsx b/src/components/PageHeader.tsx
index 943362c..137c2b1 100644
--- a/src/components/PageHeader.tsx
+++ b/src/components/PageHeader.tsx
@@ -9,16 +9,16 @@ interface PageHeaderProps {
 
 export default function PageHeader({ title, description, icon: Icon, actions }: PageHeaderProps) {
   return (
-    <div className="bg-gray-900/80 backdrop-blur-lg rounded-lg shadow-lg border border-gray-700/50 p-6">
-      <div className="flex items-center justify-between">
-        <div className="flex items-center gap-3">
-          {Icon && <Icon size={28} className="text-gray-400" />}
-          <div>
-            <h1 className="text-2xl font-bold text-gray-100">{title}</h1>
-            {description && <p className="text-sm text-gray-400 mt-1">{description}</p>}
+    <div className="bg-gray-900/80 backdrop-blur-lg rounded-lg shadow-lg border border-gray-700/50 p-4 sm:p-6">
+      <div className="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
+        <div className="flex items-center gap-3 min-w-0">
+          {Icon && <Icon size={28} className="text-gray-400 flex-shrink-0" />}
+          <div className="min-w-0">
+            <h1 className="text-xl sm:text-2xl font-bold text-gray-100 truncate">{title}</h1>
+            {description && <p className="text-sm text-gray-400 mt-1 truncate">{description}</p>}
           </div>
         </div>
-        {actions && <div className="flex items-center gap-2">{actions}</div>}
+        {actions && <div className="flex flex-wrap items-center gap-2">{actions}</div>}
       </div>
     </div>
   )
diff --git a/src/components/Sidebar.tsx b/src/components/Sidebar.tsx
index b98c81b..25321a9 100644
--- a/src/components/Sidebar.tsx
+++ b/src/components/Sidebar.tsx
@@ -1,6 +1,6 @@
 'use client'
 
-import { useState } from 'react'
+import { useState, useEffect } from 'react'
 import { usePathname } from 'next/navigation'
 import Link from 'next/link'
 import { useAuth } from '@/contexts/AuthContext'
@@ -14,6 +14,8 @@ import {
   ChevronLeft,
   ChevronRight,
   Gamepad2,
+  Menu,
+  X,
 } from 'lucide-react'
 
 interface NavItem {
@@ -33,6 +35,7 @@ const navItems: NavItem[] = [
 
 export default function Sidebar() {
   const [collapsed, setCollapsed] = useState(false)
+  const [mobileOpen, setMobileOpen] = useState(false)
   const pathname = usePathname()
   const { user, logout, hasPermission } = useAuth()
 
@@ -40,18 +43,41 @@ export default function Sidebar() {
     item => !item.permission || hasPermission(item.permission)
   )
 
-  return (
-    <aside
-      className={`flex flex-col bg-gray-900 border-r border-gray-700/50 transition-all duration-300 ${
-        collapsed ? 'w-16' : 'w-64'
-      }`}
-    >
+  // Close mobile sidebar on route change
+  useEffect(() => {
+    setMobileOpen(false)
+  }, [pathname])
+
+  // Prevent body scroll when mobile sidebar is open
+  useEffect(() => {
+    if (mobileOpen) {
+      document.body.style.overflow = 'hidden'
+    } else {
+      document.body.style.overflow = ''
+    }
+    return () => {
+      document.body.style.overflow = ''
+    }
+  }, [mobileOpen])
+
+  const sidebarContent = (
+    <>
       {/* Logo */}
       <div className="flex items-center gap-3 px-4 h-16 border-b border-gray-700/50">
         <Gamepad2 size={28} className="text-cyan-500 flex-shrink-0" />
-        {!collapsed && (
+        {(!collapsed || mobileOpen) && (
           <span className="text-lg font-bold text-gray-100 truncate">MC-Manager</span>
         )}
+        {/* Mobile close button */}
+        {mobileOpen && (
+          <button
+            onClick={() => setMobileOpen(false)}
+            className="ml-auto p-1.5 rounded-lg text-gray-400 hover:bg-gray-800 hover:text-gray-200 transition-colors lg:hidden"
+            aria-label="Close menu"
+          >
+            <X size={20} />
+          </button>
+        )}
       </div>
 
       {/* Navigation */}
@@ -71,7 +97,7 @@ export default function Sidebar() {
               }`}
             >
               <Icon size={20} className="flex-shrink-0" />
-              {!collapsed && <span>{item.label}</span>}
+              {(!collapsed || mobileOpen) && <span>{item.label}</span>}
             </Link>
           )
         })}
@@ -80,7 +106,7 @@ export default function Sidebar() {
       {/* Footer */}
       <div className="border-t border-gray-700/50 p-2 space-y-1">
         {/* User Info */}
-        {user && !collapsed && (
+        {user && (!collapsed || mobileOpen) && (
           <div className="px-3 py-2">
             <p className="text-sm font-medium text-gray-200 truncate">{user.username}</p>
             <p className="text-xs text-gray-500 truncate">{user.email}</p>
@@ -93,18 +119,62 @@ export default function Sidebar() {
           className="flex items-center gap-3 px-3 py-2.5 rounded-lg text-gray-400 hover:bg-red-500/10 hover:text-red-400 transition-colors text-sm font-medium w-full"
         >
           <LogOut size={20} className="flex-shrink-0" />
-          {!collapsed && <span>Logout</span>}
+          {(!collapsed || mobileOpen) && <span>Logout</span>}
         </button>
 
-        {/* Collapse Toggle */}
+        {/* Collapse Toggle — desktop only */}
         <button
           onClick={() => setCollapsed(prev => !prev)}
-          className="flex items-center justify-center gap-3 px-3 py-2.5 rounded-lg text-gray-500 hover:bg-gray-800 hover:text-gray-300 transition-colors w-full"
+          className="hidden lg:flex items-center justify-center gap-3 px-3 py-2.5 rounded-lg text-gray-500 hover:bg-gray-800 hover:text-gray-300 transition-colors w-full"
         >
           {collapsed ? <ChevronRight size={20} /> : <ChevronLeft size={20} />}
           {!collapsed && <span className="text-sm">Collapse</span>}
         </button>
       </div>
-    </aside>
+    </>
+  )
+
+  return (
+    <>
+      {/* Mobile top bar */}
+      <div className="lg:hidden fixed top-0 left-0 right-0 z-30 flex items-center gap-3 px-4 h-14 bg-gray-900 border-b border-gray-700/50">
+        <button
+          onClick={() => setMobileOpen(true)}
+          className="p-2 -ml-2 rounded-lg text-gray-400 hover:bg-gray-800 hover:text-gray-200 transition-colors"
+          aria-label="Open menu"
+        >
+          <Menu size={22} />
+        </button>
+        <Gamepad2 size={24} className="text-cyan-500" />
+        <span className="text-base font-bold text-gray-100">MC-Manager</span>
+      </div>
+
+      {/* Mobile overlay */}
+      {mobileOpen && (
+        <div
+          className="fixed inset-0 z-40 bg-black/60 backdrop-blur-sm lg:hidden"
+          onClick={() => setMobileOpen(false)}
+        />
+      )}
+
+      {/* Mobile sidebar drawer */}
+      <aside
+        className={`fixed inset-y-0 left-0 z-50 flex flex-col bg-gray-900 border-r border-gray-700/50 w-72
+          transform transition-transform duration-300 ease-in-out lg:hidden ${
+          mobileOpen ? 'translate-x-0' : '-translate-x-full'
+        }`}
+      >
+        {sidebarContent}
+      </aside>
+
+      {/* Desktop sidebar */}
+      <aside
+        className={`hidden lg:flex flex-col bg-gray-900 border-r border-gray-700/50 transition-all duration-300 ${
+          collapsed ? 'w-16' : 'w-64'
+        }`}
+      >
+        {sidebarContent}
+      </aside>
+    </>
   )
 }
diff --git a/src/components/templates/DataManagementTemplate.tsx b/src/components/templates/DataManagementTemplate.tsx
index e61ddc9..3d6f62c 100644
--- a/src/components/templates/DataManagementTemplate.tsx
+++ b/src/components/templates/DataManagementTemplate.tsx
@@ -133,9 +133,9 @@ export default function DataManagementTemplate<T extends Record<string, any>>({
 
       {/* Search & Filters Bar */}
       <div className="bg-gray-900/80 backdrop-blur-lg rounded-lg border border-gray-700/50 p-4">
-        <div className="flex flex-wrap items-center gap-4">
+        <div className="flex flex-col sm:flex-row sm:flex-wrap items-stretch sm:items-center gap-3 sm:gap-4">
           {/* Search */}
-          <div className="relative flex-1 min-w-[200px]">
+          <div className="relative flex-1 min-w-0 sm:min-w-[200px]">
             <Search size={16} className="absolute left-3 top-1/2 -translate-y-1/2 text-gray-500" />
             <input
               type="text"
@@ -196,7 +196,7 @@ export default function DataManagementTemplate<T extends Record<string, any>>({
                   {columns.map(col => (
                     <th
                       key={col.key}
-                      className={`px-6 py-3 text-left text-xs font-medium text-gray-400 uppercase tracking-wider ${
+                      className={`px-4 sm:px-6 py-3 text-left text-xs font-medium text-gray-400 uppercase tracking-wider ${
                         col.sortable ? 'cursor-pointer select-none hover:text-gray-200' : ''
                       }`}
                       onClick={() => col.sortable && handleSort(col.key)}
@@ -221,7 +221,7 @@ export default function DataManagementTemplate<T extends Record<string, any>>({
                     }`}
                   >
                     {columns.map(col => (
-                      <td key={col.key} className="px-6 py-4 whitespace-nowrap text-sm text-gray-300">
+                      <td key={col.key} className="px-4 sm:px-6 py-3 sm:py-4 whitespace-nowrap text-sm text-gray-300">
                         {col.render
                           ? col.render(item)
                           : String(item[col.key] ?? '—')}