diff --git a/client/src/components/SidePanel/Agents/ActionsInput.tsx b/client/src/components/SidePanel/Agents/ActionsInput.tsx
index 4311311734..4d32acb714 100644
--- a/client/src/components/SidePanel/Agents/ActionsInput.tsx
+++ b/client/src/components/SidePanel/Agents/ActionsInput.tsx
@@ -8,10 +8,12 @@ import {
   AuthTypeEnum,
 } from 'librechat-data-provider';
 import {
+  Label,
   Button,
   Spinner,
   Textarea,
   OGDialog,
+  TooltipAnchor,
   OGDialogTitle,
   OGDialogHeader,
   OGDialogContent,
@@ -243,15 +245,20 @@ export default function ActionsInput({
           >
             {localize('com_ui_schema')}
           </label>
-          <button
-            type="button"
-            onClick={() => setIsSchemaDialogOpen(true)}
-            aria-label={localize('com_ui_expand_editor')}
-            title={localize('com_ui_expand_editor')}
-            className="inline-flex h-7 w-7 items-center justify-center rounded-lg text-text-secondary transition-colors hover:bg-surface-secondary hover:text-text-primary focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
-          >
-            <Maximize2 className="h-4 w-4" strokeWidth={1.75} aria-hidden={true} />
-          </button>
+          <TooltipAnchor
+            side="top"
+            description={localize('com_ui_expand_editor')}
+            render={
+              <button
+                type="button"
+                onClick={() => setIsSchemaDialogOpen(true)}
+                aria-label={localize('com_ui_expand_editor')}
+                className="inline-flex h-7 w-7 items-center justify-center rounded-lg text-text-secondary transition-colors hover:bg-surface-secondary hover:text-text-primary focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-text-primary"
+              >
+                <Maximize2 className="h-4 w-4" strokeWidth={1.75} aria-hidden={true} />
+              </button>
+            }
+          />
         </div>
         <Textarea
           id="schemaInput"
@@ -271,9 +278,9 @@ export default function ActionsInput({
       </div>
       {(data || showSkeleton) && (
         <div className="mt-4 flex min-h-0 flex-1 flex-col">
-          <label className="mb-1 block shrink-0 text-sm font-medium text-text-primary">
+          <Label className="mb-1 shrink-0 font-medium">
             {localize('com_assistants_available_actions')}
-          </label>
+          </Label>
           <div className="min-h-0 flex-1 overflow-y-auto">
             {data ? <ActionsTable columns={columns} data={data} /> : <ActionsTableSkeleton />}
           </div>
diff --git a/client/src/components/SidePanel/Agents/ActionsTable/Table.tsx b/client/src/components/SidePanel/Agents/ActionsTable/Table.tsx
index 710d3ca915..e676336ce5 100644
--- a/client/src/components/SidePanel/Agents/ActionsTable/Table.tsx
+++ b/client/src/components/SidePanel/Agents/ActionsTable/Table.tsx
@@ -21,7 +21,7 @@ export default function DataTable<TData, TValue>({ columns, data }: DataTablePro
             {headerGroup.headers.map((header) => (
               <th
                 key={header.id}
-                className="sticky top-0 z-10 border-b border-border-light bg-background py-2 pr-3 text-left text-[11px] font-medium uppercase tracking-wide text-text-secondary"
+                className="sticky top-0 z-10 border-b border-border-light bg-surface-primary py-2 pr-3 text-left text-[11px] font-medium uppercase tracking-wide text-text-secondary"
               >
                 {header.isPlaceholder
                   ? null
diff --git a/client/src/components/SidePanel/Agents/Advanced/AdvancedButton.tsx b/client/src/components/SidePanel/Agents/Advanced/AdvancedButton.tsx
index 70129839e1..3846c1c976 100644
--- a/client/src/components/SidePanel/Agents/Advanced/AdvancedButton.tsx
+++ b/client/src/components/SidePanel/Agents/Advanced/AdvancedButton.tsx
@@ -1,5 +1,6 @@
 import React from 'react';
 import { Settings2 } from 'lucide-react';
+import { Button } from '@librechat/client';
 import { useLocalize } from '~/hooks';
 import { Panel } from '~/common';
 
@@ -11,15 +12,15 @@ const AdvancedButton: React.FC<AdvancedButtonProps> = ({ setActivePanel }) => {
   const localize = useLocalize();
 
   return (
-    <button
-      type="button"
+    <Button
+      variant="subtle"
       onClick={() => setActivePanel(Panel.advanced)}
       aria-label={localize('com_ui_advanced')}
-      className="inline-flex h-9 w-full items-center justify-center gap-2 rounded-xl border border-border-light bg-transparent px-3 text-sm font-medium text-text-primary transition-colors hover:bg-surface-secondary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+      className="h-9 w-full px-3"
     >
       <Settings2 className="h-4 w-4" strokeWidth={1.75} aria-hidden="true" />
       {localize('com_ui_advanced')}
-    </button>
+    </Button>
   );
 };
 
diff --git a/client/src/components/SidePanel/Agents/Advanced/AdvancedPanel.tsx b/client/src/components/SidePanel/Agents/Advanced/AdvancedPanel.tsx
index 79249496fb..ce1b3e6e75 100644
--- a/client/src/components/SidePanel/Agents/Advanced/AdvancedPanel.tsx
+++ b/client/src/components/SidePanel/Agents/Advanced/AdvancedPanel.tsx
@@ -1,7 +1,7 @@
 import { useState } from 'react';
 import { useFormContext } from 'react-hook-form';
-import { useToastContext } from '@librechat/client';
 import { ChevronLeft, Check, Copy } from 'lucide-react';
+import { Button, TooltipAnchor, useToastContext } from '@librechat/client';
 import type { AgentForm } from '~/common';
 import { sectionLabelClass, groupHeadingClass } from './ui';
 import { useAgentPanelContext } from '~/Providers';
@@ -34,14 +34,15 @@ export default function AdvancedPanel() {
   return (
     <div className="mb-1 flex w-full flex-col gap-4 text-sm">
       <header className="grid grid-cols-[auto_1fr_auto] items-center gap-2 pt-1">
-        <button
-          type="button"
+        <Button
+          variant="ghost"
+          size="icon"
           onClick={() => setActivePanel(Panel.builder)}
           aria-label={localize('com_ui_back_to_builder')}
-          className="inline-flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-xl border border-border-light text-text-secondary transition-colors hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+          className="h-10 w-10 flex-shrink-0 rounded-xl border border-border-light text-text-secondary hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-text-primary"
         >
           <ChevronLeft className="h-5 w-5" strokeWidth={1.75} aria-hidden="true" />
-        </button>
+        </Button>
         <h2 className="text-center text-base font-semibold text-text-primary">
           {localize('com_ui_advanced_settings')}
         </h2>
@@ -59,23 +60,27 @@ export default function AdvancedPanel() {
         {currentAgentId && (
           <div className="flex items-center justify-between gap-2 border-t border-border-light pt-3">
             <span className={sectionLabelClass}>{localize('com_ui_agent_id')}</span>
-            <button
-              type="button"
-              onClick={handleCopyAgentId}
-              title={currentAgentId}
-              aria-label={localize('com_ui_agent_id_copy')}
-              className="inline-flex items-center gap-1.5 rounded-lg px-2 py-1 text-text-secondary transition-colors hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
-            >
-              <code className="max-w-[150px] truncate font-mono text-xs">{currentAgentId}</code>
-              <span className="t-icon-swap" data-state={copied ? 'b' : 'a'} aria-hidden="true">
-                <span className="t-icon" data-icon="a">
-                  <Copy className="h-3.5 w-3.5" aria-hidden="true" />
-                </span>
-                <span className="t-icon" data-icon="b">
-                  <Check className="h-3.5 w-3.5 text-green-500" aria-hidden="true" />
-                </span>
-              </span>
-            </button>
+            <TooltipAnchor
+              description={currentAgentId}
+              render={
+                <Button
+                  variant="ghost"
+                  onClick={handleCopyAgentId}
+                  aria-label={localize('com_ui_agent_id_copy')}
+                  className="h-auto gap-1.5 rounded-lg px-2 py-1 text-text-secondary hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-text-primary"
+                >
+                  <code className="max-w-[150px] truncate font-mono text-xs">{currentAgentId}</code>
+                  <span className="t-icon-swap" data-state={copied ? 'b' : 'a'} aria-hidden="true">
+                    <span className="t-icon" data-icon="a">
+                      <Copy className="h-3.5 w-3.5" aria-hidden="true" />
+                    </span>
+                    <span className="t-icon" data-icon="b">
+                      <Check className="h-3.5 w-3.5 text-green-500" aria-hidden="true" />
+                    </span>
+                  </span>
+                </Button>
+              }
+            />
           </div>
         )}
       </div>
diff --git a/client/src/components/SidePanel/Agents/Advanced/AgentHandoffs.tsx b/client/src/components/SidePanel/Agents/Advanced/AgentHandoffs.tsx
index 0a3c798b48..ae69d72423 100644
--- a/client/src/components/SidePanel/Agents/Advanced/AgentHandoffs.tsx
+++ b/client/src/components/SidePanel/Agents/Advanced/AgentHandoffs.tsx
@@ -1,6 +1,6 @@
 import React, { useState, useMemo, useEffect } from 'react';
 import { Waypoints, ChevronDown } from 'lucide-react';
-import { Label, Input, Textarea } from '@librechat/client';
+import { Button, Label, Input, Textarea } from '@librechat/client';
 import type { ControllerRenderProps } from 'react-hook-form';
 import type { GraphEdge } from 'librechat-data-provider';
 import type { AgentForm } from '~/common';
@@ -118,9 +118,10 @@ const AgentHandoffs: React.FC<AgentHandoffsProps> = ({ field, currentAgentId })
                     icon={agentIcon(getAgent(targetAgentId))}
                     ariaLabel={localize('com_ui_agent_var', { 0: localize('com_ui_select') })}
                   />
-                  <button
-                    type="button"
-                    className="flex-shrink-0 rounded-lg p-1 text-text-secondary transition hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+                  <Button
+                    variant="ghost"
+                    size="icon"
+                    className="size-auto flex-shrink-0 rounded-lg p-1 text-text-secondary hover:bg-surface-secondary hover:text-text-primary"
                     onClick={() => toggleExpanded(idx)}
                     aria-expanded={isExpanded}
                     aria-label={localize(isExpanded ? 'com_ui_collapse' : 'com_ui_expand')}
@@ -130,7 +131,7 @@ const AgentHandoffs: React.FC<AgentHandoffsProps> = ({ field, currentAgentId })
                       className={`transition-transform ${isExpanded ? 'rotate-180' : ''}`}
                       aria-hidden="true"
                     />
-                  </button>
+                  </Button>
                 </AgentRow>
 
                 {isExpanded && (
diff --git a/client/src/components/SidePanel/Agents/Advanced/AgentList.tsx b/client/src/components/SidePanel/Agents/Advanced/AgentList.tsx
index e3785b8764..ba2a684551 100644
--- a/client/src/components/SidePanel/Agents/Advanced/AgentList.tsx
+++ b/client/src/components/SidePanel/Agents/Advanced/AgentList.tsx
@@ -1,7 +1,7 @@
 import { useMemo } from 'react';
 import { X, PlusCircle } from 'lucide-react';
-import { ControlCombobox } from '@librechat/client';
 import { EModelEndpoint } from 'librechat-data-provider';
+import { Button, ControlCombobox } from '@librechat/client';
 import type { Agent, TMessage } from 'librechat-data-provider';
 import type { ReactNode } from 'react';
 import type { OptionWithIcon } from '~/common';
@@ -83,7 +83,7 @@ export function AddAgentSelect({ options, onSelect, placeholder, ariaLabel }: Ad
       selectPlaceholder={placeholder}
       searchPlaceholder={localize('com_ui_agent_var', { 0: localize('com_ui_search') })}
       items={options}
-      className="h-9 w-full border-dashed border-border-heavy text-center text-text-secondary hover:text-text-primary"
+      className="h-9 w-full border-dashed border-border-light text-center text-text-secondary hover:text-text-primary"
       containerClassName="px-0"
       SelectIcon={<PlusCircle size={16} className="text-text-secondary" />}
     />
@@ -134,14 +134,15 @@ interface RemoveButtonProps {
 /** Ghost remove (×) button shared by agent rows. */
 export function RemoveButton({ onClick, label }: RemoveButtonProps) {
   return (
-    <button
-      type="button"
-      className="flex-shrink-0 rounded-lg p-1 text-text-secondary transition hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+    <Button
+      variant="ghost"
+      size="icon"
+      className="size-auto flex-shrink-0 p-1 text-text-secondary hover:bg-surface-secondary hover:text-text-primary"
       onClick={onClick}
       aria-label={label}
     >
       <X size={16} aria-hidden="true" />
-    </button>
+    </Button>
   );
 }
 
diff --git a/client/src/components/SidePanel/Agents/Advanced/MaxAgentSteps.tsx b/client/src/components/SidePanel/Agents/Advanced/MaxAgentSteps.tsx
index 65e6b2b8d7..209a648e8e 100644
--- a/client/src/components/SidePanel/Agents/Advanced/MaxAgentSteps.tsx
+++ b/client/src/components/SidePanel/Agents/Advanced/MaxAgentSteps.tsx
@@ -1,5 +1,5 @@
 import { useFormContext, Controller } from 'react-hook-form';
-import { Input, HoverCard, HoverCardPortal, HoverCardContent } from '@librechat/client';
+import { Input, Label, HoverCard, HoverCardPortal, HoverCardContent } from '@librechat/client';
 import type { AgentForm } from '~/common';
 import { useLocalize } from '~/hooks';
 import { InfoTrigger } from './ui';
@@ -13,9 +13,9 @@ export default function MaxAgentSteps() {
     <HoverCard openDelay={50}>
       <div className="flex flex-col gap-1.5">
         <div className="flex items-center gap-1.5">
-          <label htmlFor="recursion_limit" className="text-[13px] font-medium text-text-primary">
+          <Label htmlFor="recursion_limit" className="w-auto text-[13px] font-medium">
             {localize('com_ui_agent_recursion_limit')}
-          </label>
+          </Label>
           <InfoTrigger />
         </div>
         <Controller
diff --git a/client/src/components/SidePanel/Agents/Advanced/ui.tsx b/client/src/components/SidePanel/Agents/Advanced/ui.tsx
index 56944b5f41..953a91ce43 100644
--- a/client/src/components/SidePanel/Agents/Advanced/ui.tsx
+++ b/client/src/components/SidePanel/Agents/Advanced/ui.tsx
@@ -1,4 +1,5 @@
 import {
+  Button,
   Switch,
   HoverCard,
   CircleHelpIcon,
@@ -43,13 +44,13 @@ export function InfoTrigger() {
   const localize = useLocalize();
   return (
     <HoverCardTrigger asChild>
-      <button
-        type="button"
+      <Button
+        variant="ghost"
         aria-label={localize('com_ui_more_info')}
-        className="flex h-4 w-4 flex-shrink-0 items-center justify-center rounded text-text-tertiary transition-colors hover:text-text-secondary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+        className="flex h-4 w-4 flex-shrink-0 items-center justify-center rounded p-0 text-text-tertiary transition-colors hover:bg-transparent hover:text-text-secondary focus:outline-none focus-visible:ring-2 focus-visible:ring-text-primary"
       >
         <CircleHelpIcon className="h-3.5 w-3.5" aria-hidden={true} />
-      </button>
+      </Button>
     </HoverCardTrigger>
   );
 }
diff --git a/client/src/components/SidePanel/Agents/AgentAvatar.tsx b/client/src/components/SidePanel/Agents/AgentAvatar.tsx
index 7625c9a896..f792f39c13 100644
--- a/client/src/components/SidePanel/Agents/AgentAvatar.tsx
+++ b/client/src/components/SidePanel/Agents/AgentAvatar.tsx
@@ -82,7 +82,7 @@ function Avatar({ avatar }: { avatar: AgentAvatar | null }) {
       trigger={
         <button
           type="button"
-          className="h-14 w-14 overflow-hidden rounded-full outline-none ring-offset-0 transition-shadow focus:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+          className="h-14 w-14 overflow-hidden rounded-full outline-none ring-offset-0 transition-shadow focus:outline-none focus-visible:ring-2 focus-visible:ring-text-primary"
           aria-label={localize('com_ui_upload_agent_avatar_label')}
         >
           <span
diff --git a/client/src/components/SidePanel/Agents/AgentConfig.tsx b/client/src/components/SidePanel/Agents/AgentConfig.tsx
index 927fc1a5bd..796d4de4cc 100644
--- a/client/src/components/SidePanel/Agents/AgentConfig.tsx
+++ b/client/src/components/SidePanel/Agents/AgentConfig.tsx
@@ -1,4 +1,4 @@
-import { Input } from '@librechat/client';
+import { Input, Label } from '@librechat/client';
 import { Controller, useWatch, useFormContext } from 'react-hook-form';
 import { EModelEndpoint, getEndpointField } from 'librechat-data-provider';
 import type { AgentForm, IconComponentTypes } from '~/common';
@@ -106,12 +106,12 @@ export default function AgentConfig() {
       {/* MODEL + CATEGORY — balanced 2-column grid */}
       <div className="mb-3 grid grid-cols-2 gap-2">
         <div className="flex min-w-0 flex-col">
-          <label
+          <Label
             className="mb-1 block text-[11px] font-medium uppercase tracking-wide text-text-secondary"
             htmlFor="provider"
           >
             {localize('com_ui_model')} <span className="text-red-500">*</span>
-          </label>
+          </Label>
           <button
             type="button"
             onClick={() => setActivePanel(Panel.model)}
@@ -139,12 +139,12 @@ export default function AgentConfig() {
           </button>
         </div>
         <div className="flex flex-col">
-          <label
+          <Label
             className="mb-1 block text-[11px] font-medium uppercase tracking-wide text-text-secondary"
             htmlFor="category-selector"
           >
             {localize('com_ui_category')} <span className="text-red-500">*</span>
-          </label>
+          </Label>
           <AgentCategorySelector className="w-full rounded-lg" />
         </div>
       </div>
@@ -164,9 +164,9 @@ export default function AgentConfig() {
 
       {/* SUPPORT CONTACT */}
       <div className="mb-3 flex flex-col">
-        <label className="mb-1 block text-[11px] font-medium uppercase tracking-wide text-text-secondary">
+        <Label className="mb-1 block text-[11px] font-medium uppercase tracking-wide text-text-secondary">
           {localize('com_ui_support_contact')}
-        </label>
+        </Label>
         <div className="space-y-2">
           <Controller
             name="support_contact.name"
diff --git a/client/src/components/SidePanel/Agents/AgentFooter.tsx b/client/src/components/SidePanel/Agents/AgentFooter.tsx
index 806ea36048..01e968f309 100644
--- a/client/src/components/SidePanel/Agents/AgentFooter.tsx
+++ b/client/src/components/SidePanel/Agents/AgentFooter.tsx
@@ -1,5 +1,5 @@
 import { Globe } from 'lucide-react';
-import { Spinner } from '@librechat/client';
+import { Button, Spinner } from '@librechat/client';
 import { useWatch, useFormContext } from 'react-hook-form';
 import {
   SystemRoles,
@@ -114,26 +114,29 @@ export default function AgentFooter({
               resourceName={agent?.name ?? ''}
               resourceType={ResourceType.REMOTE_AGENT}
             >
-              <button
+              <Button
                 type="button"
-                className="btn btn-neutral border-token-border-light h-9 px-3"
+                variant="outline"
+                aria-label={localize('com_ui_remote_access')}
                 title={localize('com_ui_remote_access')}
+                className="h-9 w-auto px-3"
               >
                 <Globe className="h-4 w-4" aria-hidden="true" />
-              </button>
+              </Button>
             </GenericGrantAccessDialog>
           )}
         {(agent?.author === user?.id || user?.role === SystemRoles.ADMIN || canEditThisAgent) &&
           !permissionsLoading && <DuplicateAgent agent_id={agent_id} />}
         {/* Submit Button */}
-        <button
-          className="btn btn-primary focus:shadow-outline flex h-9 w-full items-center justify-center px-4 py-2 font-semibold text-white hover:bg-green-600 focus:border-green-500"
+        <Button
+          variant="submit"
+          className="h-9 w-full px-4 py-2 font-semibold"
           type="submit"
           disabled={isSaving}
           aria-busy={isSaving}
         >
           {renderSaveButton()}
-        </button>
+        </Button>
       </div>
     </div>
   );
diff --git a/client/src/components/SidePanel/Agents/AgentTool.tsx b/client/src/components/SidePanel/Agents/AgentTool.tsx
index 69b3b32fa3..b20ae74461 100644
--- a/client/src/components/SidePanel/Agents/AgentTool.tsx
+++ b/client/src/components/SidePanel/Agents/AgentTool.tsx
@@ -3,6 +3,7 @@ import { Wrench } from 'lucide-react';
 import { useFormContext } from 'react-hook-form';
 import { useUpdateUserPluginsMutation } from 'librechat-data-provider/react-query';
 import {
+  Button,
   OGDialog,
   TrashIcon,
   CircleHelpIcon,
@@ -47,12 +48,15 @@ export default function AgentTool({
         { pluginKey: toolId, action: 'uninstall', auth: {}, isEntityTool: true },
         {
           onError: (error: unknown) => {
-            showToast({ message: `Error while deleting the tool: ${error}`, status: 'error' });
+            showToast({
+              message: localize('com_ui_delete_tool_error_var', { 0: String(error) }),
+              status: 'error',
+            });
           },
           onSuccess: () => {
             const remainingToolIds = getValues('tools')?.filter((id: string) => id !== toolId);
             setValue('tools', remainingToolIds);
-            showToast({ message: 'Tool deleted successfully', status: 'success' });
+            showToast({ message: localize('com_ui_delete_tool_success'), status: 'success' });
           },
         },
       );
@@ -98,21 +102,20 @@ export default function AgentTool({
         </div>
 
         <OGDialogTrigger asChild>
-          <button
-            type="button"
+          <Button
+            variant="ghost"
+            size="icon"
             className={cn(
-              'flex h-7 w-7 items-center justify-center rounded transition-all duration-200',
-              'hover:bg-gray-200 dark:hover:bg-gray-700',
-              'focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-1',
-              'focus:opacity-100',
+              'h-7 w-7 rounded transition-all duration-200 hover:bg-surface-hover',
+              'focus:opacity-100 focus-visible:opacity-100',
               isHovering || isFocused ? 'opacity-100' : 'pointer-events-none opacity-0',
             )}
-            aria-label={`Delete ${currentTool.name}`}
+            aria-label={localize('com_ui_delete_var', { 0: currentTool.name })}
             tabIndex={0}
             onFocus={() => setIsFocused(true)}
           >
             <TrashIcon className="h-4 w-4" />
-          </button>
+          </Button>
         </OGDialogTrigger>
       </div>
       <OGDialogTemplate
@@ -137,8 +140,7 @@ export default function AgentTool({
         }
         selection={{
           selectHandler: () => removeTool(tool),
-          selectClasses:
-            'bg-red-700 hover:bg-red-800 dark:bg-red-600 dark:hover:bg-red-800 text-white',
+          selectClasses: 'bg-surface-destructive hover:bg-surface-destructive-hover text-white',
           selectText: localize('com_ui_delete'),
         }}
       />
diff --git a/client/src/components/SidePanel/Agents/DeleteButton.tsx b/client/src/components/SidePanel/Agents/DeleteButton.tsx
index a738e382b3..05a33d0a08 100644
--- a/client/src/components/SidePanel/Agents/DeleteButton.tsx
+++ b/client/src/components/SidePanel/Agents/DeleteButton.tsx
@@ -94,7 +94,7 @@ function DeleteButton({
           title={localize('com_ui_delete_agent')}
           type="button"
         >
-          <div className="flex w-full items-center justify-center gap-2 text-red-500">
+          <div className="flex w-full items-center justify-center gap-2 text-text-destructive">
             <TrashIcon />
           </div>
         </Button>
@@ -115,7 +115,7 @@ function DeleteButton({
         }
         selection={{
           selectHandler: () => deleteAgent.mutate({ agent_id }),
-          selectClasses: 'bg-red-600 hover:bg-red-700 dark:hover:bg-red-800 text-white',
+          selectClasses: 'bg-surface-destructive hover:bg-surface-destructive-hover text-white',
           selectText: localize('com_ui_delete'),
         }}
       />
diff --git a/client/src/components/SidePanel/Agents/DuplicateAgent.tsx b/client/src/components/SidePanel/Agents/DuplicateAgent.tsx
index 1e598d528d..10ea3febc4 100644
--- a/client/src/components/SidePanel/Agents/DuplicateAgent.tsx
+++ b/client/src/components/SidePanel/Agents/DuplicateAgent.tsx
@@ -1,5 +1,5 @@
 import { CopyPlus } from 'lucide-react';
-import { useToastContext, Button } from '@librechat/client';
+import { useToastContext, TooltipAnchor, Button } from '@librechat/client';
 import { useDuplicateAgentMutation } from '~/data-provider';
 import { isEphemeralAgent } from '~/common';
 import { useLocalize } from '~/hooks';
@@ -33,17 +33,22 @@ export default function DuplicateAgent({ agent_id }: { agent_id: string }) {
   };
 
   return (
-    <Button
-      size="sm"
-      variant="outline"
-      aria-label={localize('com_ui_duplicate_agent')}
-      title={localize('com_ui_duplicate_agent')}
-      type="button"
-      onClick={handleDuplicate}
-    >
-      <div className="flex w-full items-center justify-center gap-2 text-primary">
-        <CopyPlus className="size-4" />
-      </div>
-    </Button>
+    <TooltipAnchor
+      description={localize('com_ui_duplicate_agent')}
+      side="top"
+      render={
+        <Button
+          size="sm"
+          variant="outline"
+          aria-label={localize('com_ui_duplicate_agent')}
+          type="button"
+          onClick={handleDuplicate}
+        >
+          <div className="flex w-full items-center justify-center gap-2 text-text-primary">
+            <CopyPlus className="size-4" />
+          </div>
+        </Button>
+      }
+    />
   );
 }
diff --git a/client/src/components/SidePanel/Agents/FileContext.tsx b/client/src/components/SidePanel/Agents/FileContext.tsx
index 83cf7df88f..9321cfc924 100644
--- a/client/src/components/SidePanel/Agents/FileContext.tsx
+++ b/client/src/components/SidePanel/Agents/FileContext.tsx
@@ -2,7 +2,7 @@ import { memo, useMemo, useRef, useState } from 'react';
 import * as Ariakit from '@ariakit/react';
 import { Folder, Plus, Info } from 'lucide-react';
 import { EModelEndpoint, EToolResources } from 'librechat-data-provider';
-import { DropdownPopup, SharePointIcon, TooltipAnchor } from '@librechat/client';
+import { Button, DropdownPopup, SharePointIcon, TooltipAnchor } from '@librechat/client';
 import type { ExtendedFile } from '~/common';
 import { useSharePointFileHandlingNoChatContext } from '~/hooks/Files/useSharePointFileHandling';
 import { useFileHandlingNoChatContext } from '~/hooks/Files/useFileHandling';
@@ -125,8 +125,8 @@ function FileContext({
       unmountOnHide={true}
     />
   ) : (
-    <button
-      type="button"
+    <Button
+      variant="ghost"
       disabled={disabledUploadButton}
       aria-label={addLabel}
       className={addButtonClassName}
@@ -134,7 +134,7 @@ function FileContext({
     >
       <Plus className="h-3.5 w-3.5" strokeWidth={1.75} aria-hidden="true" />
       {localize('com_ui_add')}
-    </button>
+    </Button>
   );
 
   return (
diff --git a/client/src/components/SidePanel/Agents/ImageVision.tsx b/client/src/components/SidePanel/Agents/ImageVision.tsx
index 7ac1be83f8..68f735bd6d 100644
--- a/client/src/components/SidePanel/Agents/ImageVision.tsx
+++ b/client/src/components/SidePanel/Agents/ImageVision.tsx
@@ -1,4 +1,4 @@
-import { Checkbox } from '@librechat/client';
+import { Checkbox, Label } from '@librechat/client';
 import { Capabilities } from 'librechat-data-provider';
 import { useFormContext, Controller } from 'react-hook-form';
 import type { AssistantForm } from '~/common';
@@ -25,9 +25,9 @@ export default function ImageVision() {
           />
         )}
       />
-      <label
+      <Label
         id="image-vision-label"
-        className="form-check-label text-token-text-primary w-full cursor-pointer"
+        className="cursor-pointer"
         htmlFor={Capabilities.image_vision}
         onClick={() =>
           setValue(Capabilities.image_vision, !getValues(Capabilities.image_vision), {
@@ -36,7 +36,7 @@ export default function ImageVision() {
         }
       >
         <div className="flex items-center">{localize('com_assistants_image_vision')}</div>
-      </label>
+      </Label>
     </div>
   );
 }
diff --git a/client/src/components/SidePanel/Agents/Instructions.tsx b/client/src/components/SidePanel/Agents/Instructions.tsx
index 7b91d64478..e4b0ae58f6 100644
--- a/client/src/components/SidePanel/Agents/Instructions.tsx
+++ b/client/src/components/SidePanel/Agents/Instructions.tsx
@@ -4,21 +4,20 @@ import { PlusCircle, Maximize2 } from 'lucide-react';
 import { specialVariables } from 'librechat-data-provider';
 import { Controller, useFormContext } from 'react-hook-form';
 import {
+  Label,
   Button,
-  DropdownPopup,
   OGDialog,
+  Textarea,
+  DropdownPopup,
   OGDialogClose,
-  OGDialogContent,
-  OGDialogHeader,
+  TooltipAnchor,
   OGDialogTitle,
+  OGDialogHeader,
+  OGDialogContent,
 } from '@librechat/client';
 import type { TSpecialVarLabel } from 'librechat-data-provider';
 import type { AgentForm } from '~/common';
 import { useLocalize } from '~/hooks';
-import { cn } from '~/utils';
-
-const textareaClass =
-  'lc-field flex w-full rounded-lg border border-border-light bg-surface-secondary px-3 py-2 text-text-primary placeholder:text-text-secondary focus-visible:outline-none focus-visible:border-border-medium focus-visible:ring-2 focus-visible:ring-ring-primary disabled:cursor-not-allowed disabled:opacity-50';
 
 interface VariableOption {
   label: TSpecialVarLabel;
@@ -58,12 +57,12 @@ export default function Instructions() {
   return (
     <div className="mb-3 flex flex-col">
       <div className="mb-1 flex items-center justify-between">
-        <label
+        <Label
           className="block text-[11px] font-medium uppercase tracking-wide text-text-secondary"
           htmlFor="instructions"
         >
           {localize('com_ui_instructions')}
-        </label>
+        </Label>
         <div className="flex items-center gap-0.5">
           <DropdownPopup
             portal={true}
@@ -86,15 +85,19 @@ export default function Instructions() {
             menuId={menuId}
             className="pointer-events-auto z-30"
           />
-          <button
-            type="button"
-            onClick={() => setIsDialogOpen(true)}
-            aria-label={localize('com_ui_expand_editor')}
-            title={localize('com_ui_expand_editor')}
-            className="inline-flex h-7 w-7 items-center justify-center rounded-lg text-text-secondary transition-colors hover:bg-surface-secondary hover:text-text-primary focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
-          >
-            <Maximize2 className="h-4 w-4" strokeWidth={1.75} aria-hidden={true} />
-          </button>
+          <TooltipAnchor
+            description={localize('com_ui_expand_editor')}
+            render={
+              <Button
+                variant="ghost"
+                onClick={() => setIsDialogOpen(true)}
+                aria-label={localize('com_ui_expand_editor')}
+                className="h-7 w-7 p-0 text-text-secondary hover:bg-surface-secondary hover:text-text-primary"
+              >
+                <Maximize2 className="h-4 w-4" strokeWidth={1.75} aria-hidden={true} />
+              </Button>
+            }
+          />
         </div>
       </div>
       <Controller
@@ -102,10 +105,10 @@ export default function Instructions() {
         control={control}
         render={({ field, fieldState: { error } }) => (
           <>
-            <textarea
+            <Textarea
               {...field}
               value={field.value ?? ''}
-              className={cn(textareaClass, 'min-h-[88px] resize-y text-sm')}
+              className="min-h-[88px] resize-y"
               id="instructions"
               placeholder={localize('com_agents_instructions_placeholder')}
               rows={3}
@@ -115,7 +118,7 @@ export default function Instructions() {
             />
             {error && (
               <span
-                className="mt-1 text-xs text-red-500 transition duration-300 ease-in-out"
+                className="mt-1 text-xs text-text-destructive transition duration-300 ease-in-out"
                 role="alert"
               >
                 {localize('com_ui_field_required')}
@@ -139,13 +142,10 @@ export default function Instructions() {
             name="instructions"
             control={control}
             render={({ field }) => (
-              <textarea
+              <Textarea
                 {...field}
                 value={field.value ?? ''}
-                className={cn(
-                  textareaClass,
-                  'min-h-0 flex-1 resize-none text-base leading-relaxed',
-                )}
+                className="min-h-0 flex-1 resize-none text-base leading-relaxed"
                 placeholder={localize('com_agents_instructions_placeholder')}
                 aria-label={localize('com_ui_instructions')}
               />
diff --git a/client/src/components/SidePanel/Agents/MCPIcon.tsx b/client/src/components/SidePanel/Agents/MCPIcon.tsx
index c6ca84f806..37c79c8dfd 100644
--- a/client/src/components/SidePanel/Agents/MCPIcon.tsx
+++ b/client/src/components/SidePanel/Agents/MCPIcon.tsx
@@ -1,5 +1,5 @@
 import { useState, useEffect, useRef } from 'react';
-import { SquirclePlusIcon } from '@librechat/client';
+import { Button, SquirclePlusIcon } from '@librechat/client';
 import { useLocalize } from '~/hooks';
 
 interface MCPIconProps {
@@ -27,22 +27,13 @@ export default function MCPIcon({ icon, onIconChange }: MCPIconProps) {
     }
   };
 
-  const handleKeyDown = (e: React.KeyboardEvent) => {
-    if (e.key === 'Enter' || e.key === ' ') {
-      e.preventDefault();
-      handleClick();
-    }
-  };
-
   return (
     <div className="flex items-center gap-4">
-      <div
-        role="button"
-        tabIndex={0}
+      <Button
+        variant="ghost"
         onClick={handleClick}
-        onKeyDown={handleKeyDown}
         aria-label={localize('com_ui_upload_icon')}
-        className="bg-token-surface-secondary dark:bg-token-surface-tertiary border-token-border-medium flex h-16 w-16 shrink-0 cursor-pointer items-center justify-center rounded-xl border-2 border-dashed focus:outline-none focus-visible:ring-2 focus-visible:ring-border-heavy"
+        className="flex h-16 w-16 shrink-0 items-center justify-center rounded-xl border-2 border-dashed border-border-medium bg-surface-secondary p-0 hover:bg-surface-hover"
       >
         {previewUrl ? (
           <img
@@ -55,7 +46,7 @@ export default function MCPIcon({ icon, onIconChange }: MCPIconProps) {
         ) : (
           <SquirclePlusIcon />
         )}
-      </div>
+      </Button>
       <div className="flex flex-col gap-1">
         <span className="token-text-secondary text-sm">
           {localize('com_ui_icon')} {localize('com_ui_optional')}
diff --git a/client/src/components/SidePanel/Agents/MCPToolItem.tsx b/client/src/components/SidePanel/Agents/MCPToolItem.tsx
index d3a4930839..c7503ceb95 100644
--- a/client/src/components/SidePanel/Agents/MCPToolItem.tsx
+++ b/client/src/components/SidePanel/Agents/MCPToolItem.tsx
@@ -1,6 +1,6 @@
 import { useState } from 'react';
-import { TooltipAnchor } from '@librechat/client';
 import { Check, Clock, Code2, Info } from 'lucide-react';
+import { Button, TooltipAnchor } from '@librechat/client';
 import type { AgentToolType } from 'librechat-data-provider';
 import { useLocalize } from '~/hooks';
 import { cn } from '~/utils';
@@ -17,8 +17,7 @@ interface MCPToolItemProps {
   onToggleProgrammatic: () => void;
 }
 
-const iconButton =
-  'flex size-6 items-center justify-center rounded-md transition-colors hover:bg-surface-hover focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary';
+const iconButton = 'size-6 rounded-md';
 
 export default function MCPToolItem({
   tool,
@@ -69,8 +68,8 @@ export default function MCPToolItem({
               description={localize('com_ui_mcp_click_to_defer')}
               side="top"
               render={
-                <button
-                  type="button"
+                <Button
+                  variant="ghost"
                   onClick={onToggleDefer}
                   aria-pressed={isDeferred}
                   aria-label={localize('com_ui_mcp_defer_loading')}
@@ -80,7 +79,7 @@ export default function MCPToolItem({
                   )}
                 >
                   <Clock className="size-4" aria-hidden="true" />
-                </button>
+                </Button>
               }
             />
           )}
@@ -89,8 +88,8 @@ export default function MCPToolItem({
               description={localize('com_ui_mcp_click_to_programmatic')}
               side="top"
               render={
-                <button
-                  type="button"
+                <Button
+                  variant="ghost"
                   onClick={onToggleProgrammatic}
                   aria-pressed={isProgrammatic}
                   aria-label={localize('com_ui_mcp_programmatic')}
@@ -102,12 +101,12 @@ export default function MCPToolItem({
                   )}
                 >
                   <Code2 className="size-4" aria-hidden="true" />
-                </button>
+                </Button>
               }
             />
           )}
-          <button
-            type="button"
+          <Button
+            variant="ghost"
             onClick={() => setExpanded((value) => !value)}
             aria-expanded={expanded}
             aria-controls={detailsId}
@@ -118,7 +117,7 @@ export default function MCPToolItem({
             )}
           >
             <Info className="size-4" aria-hidden="true" />
-          </button>
+          </Button>
         </div>
       </div>
       {/* Auto-height reveal via grid-template-rows 0fr -> 1fr so the panel — and
diff --git a/client/src/components/SidePanel/Agents/Memory.tsx b/client/src/components/SidePanel/Agents/Memory.tsx
index 0ce1b489af..3692c8ffac 100644
--- a/client/src/components/SidePanel/Agents/Memory.tsx
+++ b/client/src/components/SidePanel/Agents/Memory.tsx
@@ -2,6 +2,7 @@ import { memo } from 'react';
 import { AgentCapabilities } from 'librechat-data-provider';
 import { useFormContext, Controller } from 'react-hook-form';
 import {
+  Button,
   Checkbox,
   HoverCard,
   HoverCardContent,
@@ -44,13 +45,13 @@ function Memory() {
           {localize('com_agents_enable_memory')}
         </label>
         <HoverCardTrigger asChild className="ml-2">
-          <button
-            type="button"
-            className="inline-flex items-center"
+          <Button
+            variant="ghost"
             aria-label={localize('com_agents_memory_info')}
+            className="inline-flex h-4 w-4 items-center justify-center rounded p-0 text-text-tertiary hover:bg-transparent"
           >
-            <CircleHelpIcon className="h-4 w-4 text-text-tertiary" />
-          </button>
+            <CircleHelpIcon className="h-4 w-4" aria-hidden={true} />
+          </Button>
         </HoverCardTrigger>
         <HoverCardPortal>
           <HoverCardContent side={ESide.Top} className="w-80">
diff --git a/client/src/components/SidePanel/Agents/ModelPanel.tsx b/client/src/components/SidePanel/Agents/ModelPanel.tsx
index 3cdecaf408..a06b56f3f0 100644
--- a/client/src/components/SidePanel/Agents/ModelPanel.tsx
+++ b/client/src/components/SidePanel/Agents/ModelPanel.tsx
@@ -1,7 +1,7 @@
 import React, { useMemo, useEffect } from 'react';
 import keyBy from 'lodash/keyBy';
-import { ControlCombobox } from '@librechat/client';
 import { ChevronLeft, RotateCcw } from 'lucide-react';
+import { Button, ControlCombobox } from '@librechat/client';
 import { useFormContext, useWatch, Controller } from 'react-hook-form';
 import {
   alternateName,
@@ -105,14 +105,15 @@ export default function ModelPanel({
   return (
     <div className="mb-1 flex w-full flex-col gap-3 text-sm">
       <header className="grid grid-cols-[auto_1fr_auto] items-center gap-2 pt-1">
-        <button
-          type="button"
+        <Button
+          variant="outline"
+          size="icon"
           onClick={() => setActivePanel(Panel.builder)}
           aria-label={localize('com_ui_back_to_builder')}
-          className="inline-flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-xl border border-border-light text-text-secondary transition-colors hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+          className="h-10 w-10 flex-shrink-0 rounded-xl text-text-secondary hover:bg-surface-secondary hover:text-text-primary"
         >
           <ChevronLeft className="h-5 w-5" strokeWidth={1.75} aria-hidden="true" />
-        </button>
+        </Button>
         <h2 className="text-center text-base font-semibold text-text-primary">
           {localize('com_ui_model_parameters')}
         </h2>
@@ -250,14 +251,14 @@ export default function ModelPanel({
         </div>
       )}
       {/* Reset Parameters Button */}
-      <button
-        type="button"
+      <Button
+        variant="outline"
         onClick={handleResetParameters}
-        className="mt-2 inline-flex h-9 w-full items-center justify-center gap-2 rounded-xl border border-border-light bg-transparent px-4 text-sm font-medium text-text-secondary transition-colors hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+        className="mt-2 h-9 w-full rounded-xl px-4 font-medium text-text-secondary hover:bg-surface-secondary hover:text-text-primary"
       >
         <RotateCcw className="h-4 w-4" strokeWidth={1.75} aria-hidden="true" />
         {localize('com_ui_reset_var', { 0: localize('com_ui_model_parameters') })}
-      </button>
+      </Button>
     </div>
   );
 }
diff --git a/client/src/components/SidePanel/Agents/Search/ApiKeyDialog.tsx b/client/src/components/SidePanel/Agents/Search/ApiKeyDialog.tsx
index 0202ec96ee..e2277f0ec6 100644
--- a/client/src/components/SidePanel/Agents/Search/ApiKeyDialog.tsx
+++ b/client/src/components/SidePanel/Agents/Search/ApiKeyDialog.tsx
@@ -7,8 +7,8 @@ import {
   ScraperProviders,
   SearchCategories,
 } from 'librechat-data-provider';
-import type { SearchApiKeyFormData } from '~/hooks/Plugins/useAuthSearchTool';
 import type { UseFormRegister, UseFormHandleSubmit } from 'react-hook-form';
+import type { SearchApiKeyFormData } from '~/hooks/Plugins/useAuthSearchTool';
 import InputSection, { type DropdownOption } from './InputSection';
 import { useGetStartupConfig } from '~/data-provider';
 import { useLocalize } from '~/hooks';
@@ -273,16 +273,12 @@ export default function ApiKeyDialog({
         }
         selection={{
           selectHandler: handleSubmit(onSubmit),
-          selectClasses: 'bg-green-500 hover:bg-green-600 text-white',
+          selectClasses: 'bg-surface-submit hover:bg-surface-submit-hover text-white',
           selectText: localize('com_ui_save'),
         }}
         buttons={
           isToolAuthenticated && (
-            <Button
-              onClick={onRevoke}
-              className="bg-red-500 text-white hover:bg-red-600"
-              aria-label={localize('com_ui_revoke')}
-            >
+            <Button variant="destructive" onClick={onRevoke} aria-label={localize('com_ui_revoke')}>
               {localize('com_ui_revoke')}
             </Button>
           )
diff --git a/client/src/components/SidePanel/Agents/Tools/ActionEditor.tsx b/client/src/components/SidePanel/Agents/Tools/ActionEditor.tsx
index 5b6c63f9a6..244605a395 100644
--- a/client/src/components/SidePanel/Agents/Tools/ActionEditor.tsx
+++ b/client/src/components/SidePanel/Agents/Tools/ActionEditor.tsx
@@ -132,7 +132,7 @@ export default function ActionEditor({
             });
           },
           selectClasses:
-            'bg-red-700 dark:bg-red-600 hover:bg-red-800 dark:hover:bg-red-800 transition-color duration-200 text-white',
+            'bg-surface-destructive text-white transition-colors duration-200 hover:bg-surface-destructive-hover',
           selectText: localize('com_ui_delete'),
         }}
       />
diff --git a/client/src/components/SidePanel/Agents/Tools/ItemDialog/sections/McpSection.tsx b/client/src/components/SidePanel/Agents/Tools/ItemDialog/sections/McpSection.tsx
index 660c669c28..30c3fbbb2c 100644
--- a/client/src/components/SidePanel/Agents/Tools/ItemDialog/sections/McpSection.tsx
+++ b/client/src/components/SidePanel/Agents/Tools/ItemDialog/sections/McpSection.tsx
@@ -251,8 +251,9 @@ export default function McpSection({ item }: Props) {
                   }
                   side="top"
                   render={
-                    <button
-                      type="button"
+                    <Button
+                      variant="ghost"
+                      size="icon"
                       onClick={() => toggleDeferAll(tools)}
                       aria-pressed={allDeferred}
                       aria-label={
@@ -261,15 +262,14 @@ export default function McpSection({ item }: Props) {
                           : localize('com_ui_mcp_defer_all')
                       }
                       className={cn(
-                        'flex size-7 items-center justify-center rounded-md transition-colors',
-                        'hover:bg-surface-hover focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary',
+                        'size-7 rounded-md',
                         allDeferred
                           ? 'text-amber-600 dark:text-amber-500'
                           : 'text-text-secondary hover:text-text-primary',
                       )}
                     >
                       <Clock className="size-4" aria-hidden="true" />
-                    </button>
+                    </Button>
                   }
                 />
               )}
@@ -282,8 +282,9 @@ export default function McpSection({ item }: Props) {
                   }
                   side="top"
                   render={
-                    <button
-                      type="button"
+                    <Button
+                      variant="ghost"
+                      size="icon"
                       onClick={() => toggleProgrammaticAll(tools)}
                       aria-pressed={allProgrammatic}
                       aria-label={
@@ -292,15 +293,14 @@ export default function McpSection({ item }: Props) {
                           : localize('com_ui_mcp_programmatic_all')
                       }
                       className={cn(
-                        'flex size-7 items-center justify-center rounded-md transition-colors',
-                        'hover:bg-surface-hover focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary',
+                        'size-7 rounded-md',
                         allProgrammatic
                           ? 'text-violet-600 dark:text-violet-500'
                           : 'text-text-secondary hover:text-text-primary',
                       )}
                     >
                       <Code2 className="size-4" aria-hidden="true" />
-                    </button>
+                    </Button>
                   }
                 />
               )}
diff --git a/client/src/components/SidePanel/Agents/Tools/ItemDialog/sections/ToolSection.tsx b/client/src/components/SidePanel/Agents/Tools/ItemDialog/sections/ToolSection.tsx
index c4e974ffa7..bbc697eb4e 100644
--- a/client/src/components/SidePanel/Agents/Tools/ItemDialog/sections/ToolSection.tsx
+++ b/client/src/components/SidePanel/Agents/Tools/ItemDialog/sections/ToolSection.tsx
@@ -1,7 +1,7 @@
 import { useState } from 'react';
 import { CheckCircle2 } from 'lucide-react';
 import { useFormContext } from 'react-hook-form';
-import { useToastContext } from '@librechat/client';
+import { Button, useToastContext } from '@librechat/client';
 import { useUpdateUserPluginsMutation } from 'librechat-data-provider/react-query';
 import type { TError, TPluginAction } from 'librechat-data-provider';
 import type { ToolItem } from '../../items/types';
@@ -74,13 +74,13 @@ export default function ToolSection({ item }: Props) {
             <CheckCircle2 className="size-4 text-emerald-500" aria-hidden="true" />
             {localize('com_ui_tools_info_configured')}
           </span>
-          <button
-            type="button"
+          <Button
+            variant="ghost"
             onClick={() => setEditing(true)}
-            className="rounded-md px-2 py-1 text-xs font-medium text-text-secondary transition-colors hover:bg-surface-hover hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+            className="h-auto rounded-md px-2 py-1 text-xs font-medium text-text-secondary"
           >
             {localize('com_ui_edit')}
-          </button>
+          </Button>
         </div>
       )}
       {showForm && (
diff --git a/client/src/components/SidePanel/Agents/Tools/SkillsDialog.tsx b/client/src/components/SidePanel/Agents/Tools/SkillsDialog.tsx
index 08b934f580..f5770ce335 100644
--- a/client/src/components/SidePanel/Agents/Tools/SkillsDialog.tsx
+++ b/client/src/components/SidePanel/Agents/Tools/SkillsDialog.tsx
@@ -5,6 +5,7 @@ import { PermissionTypes, Permissions } from 'librechat-data-provider';
 import {
   Radio,
   Input,
+  Label,
   Button,
   OGDialog,
   OGDialogTitle,
@@ -193,9 +194,9 @@ export default function SkillsDialog({ open, onOpenChange, agentId }: SkillsDial
                 />
               </div>
               <CategoryFilter options={categoryOptions} value={category} onChange={setCategory} />
-              <label id="skills-view-label" className="sr-only">
+              <Label id="skills-view-label" className="sr-only">
                 {localize('com_ui_skills_filter')}
-              </label>
+              </Label>
               <Radio
                 options={viewOptions}
                 value={view}
diff --git a/client/src/components/SidePanel/Agents/Tools/ToolRow.tsx b/client/src/components/SidePanel/Agents/Tools/ToolRow.tsx
index 7c2412674c..2e4e99832c 100644
--- a/client/src/components/SidePanel/Agents/Tools/ToolRow.tsx
+++ b/client/src/components/SidePanel/Agents/Tools/ToolRow.tsx
@@ -1,4 +1,5 @@
 import { memo, useState } from 'react';
+import { Button } from '@librechat/client';
 import { Info, Settings, X } from 'lucide-react';
 import type { TranslationKeys } from '~/hooks/useLocalize';
 import type { AgentItem } from './items/types';
@@ -78,32 +79,30 @@ function ToolRowImpl({ item, onInfo, onRemove }: Props) {
           'group-focus-within:opacity-100 group-hover:opacity-100',
         )}
       >
-        <button
-          type="button"
+        <Button
+          variant="ghost"
           onClick={() => onInfo(item)}
           aria-label={
             configurable ? localize('com_ui_tools_configure') : localize('com_ui_tools_info')
           }
           className={cn(
-            'flex size-6 items-center justify-center rounded-md text-text-secondary',
-            'hover:bg-surface-hover hover:text-text-primary',
-            'focus:outline-none focus-visible:opacity-100 focus-visible:ring-2 focus-visible:ring-ring-primary',
+            'size-6 rounded-md p-0 text-text-secondary',
+            'hover:text-text-primary focus-visible:opacity-100',
           )}
         >
           <DetailIcon className="size-3.5" aria-hidden="true" />
-        </button>
-        <button
-          type="button"
+        </Button>
+        <Button
+          variant="ghost"
           onClick={() => onRemove(item)}
           aria-label={localize('com_ui_tools_remove')}
           className={cn(
-            'flex size-6 items-center justify-center rounded-md text-text-secondary',
-            'hover:bg-surface-hover hover:text-text-primary',
-            'focus:outline-none focus-visible:opacity-100 focus-visible:ring-2 focus-visible:ring-ring-primary',
+            'size-6 rounded-md p-0 text-text-secondary',
+            'hover:text-text-primary focus-visible:opacity-100',
           )}
         >
           <X className="size-3.5" aria-hidden="true" />
-        </button>
+        </Button>
       </div>
     </div>
   );
diff --git a/client/src/components/SidePanel/Agents/Tools/ToolsSection.tsx b/client/src/components/SidePanel/Agents/Tools/ToolsSection.tsx
index 23cfdfbc32..3008e14059 100644
--- a/client/src/components/SidePanel/Agents/Tools/ToolsSection.tsx
+++ b/client/src/components/SidePanel/Agents/Tools/ToolsSection.tsx
@@ -340,7 +340,7 @@ export default function ToolsSection({ agentId }: Props) {
           selection={{
             selectHandler: confirmActionRemoval,
             selectClasses:
-              'bg-red-700 dark:bg-red-600 hover:bg-red-800 dark:hover:bg-red-800 transition-color duration-200 text-white',
+              'bg-surface-destructive hover:bg-surface-destructive-hover transition-colors duration-200 text-white',
             selectText: localize('com_ui_delete'),
           }}
         />
@@ -365,7 +365,7 @@ export default function ToolsSection({ agentId }: Props) {
           selection={{
             selectHandler: confirmMcpRemoval,
             selectClasses:
-              'bg-red-700 dark:bg-red-600 hover:bg-red-800 dark:hover:bg-red-800 transition-color duration-200 text-white',
+              'bg-surface-destructive hover:bg-surface-destructive-hover transition-colors duration-200 text-white',
             selectText: localize('com_ui_delete'),
           }}
         />
diff --git a/client/src/components/SidePanel/Agents/Tools/__tests__/ToolsSection.spec.tsx b/client/src/components/SidePanel/Agents/Tools/__tests__/ToolsSection.spec.tsx
index 6e68baee12..b136b5b21c 100644
--- a/client/src/components/SidePanel/Agents/Tools/__tests__/ToolsSection.spec.tsx
+++ b/client/src/components/SidePanel/Agents/Tools/__tests__/ToolsSection.spec.tsx
@@ -70,6 +70,16 @@ jest.mock('../ItemDialog/ItemDialog', () => ({
 
 jest.mock('@librechat/client', () => ({
   useToastContext: () => ({ showToast: jest.fn() }),
+  Button: ({
+    children,
+    variant: _variant,
+    size: _size,
+    ...rest
+  }: React.ComponentProps<'button'> & { variant?: string; size?: string }) => (
+    <button type="button" {...rest}>
+      {children}
+    </button>
+  ),
   Label: ({ children }: { children?: React.ReactNode }) => <span>{children}</span>,
   OGDialog: ({ open, children }: { open?: boolean; children?: React.ReactNode }) =>
     open ? <div>{children}</div> : null,
diff --git a/client/src/components/SidePanel/Agents/Version/VersionButton.tsx b/client/src/components/SidePanel/Agents/Version/VersionButton.tsx
index f9ecb7e540..d8856b68a7 100644
--- a/client/src/components/SidePanel/Agents/Version/VersionButton.tsx
+++ b/client/src/components/SidePanel/Agents/Version/VersionButton.tsx
@@ -1,4 +1,5 @@
 import { History } from 'lucide-react';
+import { Button } from '@librechat/client';
 import { useLocalize } from '~/hooks';
 import { Panel } from '~/common';
 
@@ -10,15 +11,15 @@ const VersionButton = ({ setActivePanel }: VersionButtonProps) => {
   const localize = useLocalize();
 
   return (
-    <button
-      type="button"
+    <Button
+      variant="subtle"
       onClick={() => setActivePanel(Panel.version)}
       aria-label={localize('com_ui_agent_version')}
-      className="inline-flex h-9 w-full items-center justify-center gap-2 rounded-xl border border-border-light bg-transparent px-3 text-sm font-medium text-text-primary transition-colors hover:bg-surface-secondary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+      className="h-9 w-full px-3"
     >
       <History className="h-4 w-4" strokeWidth={1.75} aria-hidden="true" />
       {localize('com_ui_agent_version')}
-    </button>
+    </Button>
   );
 };
 
diff --git a/client/src/components/SidePanel/Agents/Version/VersionContent.tsx b/client/src/components/SidePanel/Agents/Version/VersionContent.tsx
index 4047d3037d..3a181e6d13 100644
--- a/client/src/components/SidePanel/Agents/Version/VersionContent.tsx
+++ b/client/src/components/SidePanel/Agents/Version/VersionContent.tsx
@@ -24,9 +24,9 @@ function EmptyState({
   const iconWrapBase = 'mb-3 flex h-12 w-12 items-center justify-center rounded-full border';
   const iconWrapTone =
     tone === 'danger'
-      ? 'border-red-200 bg-red-50 text-red-500 dark:border-red-900/50 dark:bg-red-950/30 dark:text-red-400'
+      ? 'border-status-error-border bg-status-error-subtle text-text-destructive'
       : 'border-border-light bg-surface-secondary text-text-secondary';
-  const textTone = tone === 'danger' ? 'text-red-600 dark:text-red-400' : 'text-text-secondary';
+  const textTone = tone === 'danger' ? 'text-text-destructive' : 'text-text-secondary';
 
   return (
     <div className="flex flex-col items-center justify-center px-4 py-12 text-center">
diff --git a/client/src/components/SidePanel/Agents/Version/VersionItem.tsx b/client/src/components/SidePanel/Agents/Version/VersionItem.tsx
index 407860caa8..7590688201 100644
--- a/client/src/components/SidePanel/Agents/Version/VersionItem.tsx
+++ b/client/src/components/SidePanel/Agents/Version/VersionItem.tsx
@@ -3,6 +3,7 @@ import { formatDistanceToNow } from 'date-fns';
 import { Check, RotateCcw, Circle } from 'lucide-react';
 import {
   Label,
+  Button,
   OGDialog,
   OGDialogTrigger,
   OGDialogTemplate,
@@ -159,13 +160,14 @@ export default function VersionItem({
                   description={localize('com_ui_agent_version_restore')}
                   side="left"
                   render={
-                    <button
-                      type="button"
+                    <Button
+                      variant="ghost"
+                      size="icon"
                       aria-label={localize('com_ui_agent_version_restore')}
-                      className="inline-flex h-7 w-7 flex-shrink-0 items-center justify-center rounded-lg border border-border-light text-text-secondary opacity-0 transition-all hover:border-border-medium hover:bg-surface-hover hover:text-text-primary focus:outline-none focus-visible:opacity-100 focus-visible:ring-2 focus-visible:ring-ring-primary group-hover:opacity-100"
+                      className="size-7 flex-shrink-0 rounded-lg border border-border-light text-text-secondary opacity-0 transition-all hover:border-border-medium focus:outline-none focus-visible:opacity-100 group-hover:opacity-100"
                     >
                       <RotateCcw className="h-3.5 w-3.5" strokeWidth={1.75} aria-hidden="true" />
-                    </button>
+                    </Button>
                   }
                 />
               </OGDialogTrigger>
diff --git a/client/src/components/SidePanel/Agents/Version/VersionPanel.tsx b/client/src/components/SidePanel/Agents/Version/VersionPanel.tsx
index 874931679c..ed99810ce5 100644
--- a/client/src/components/SidePanel/Agents/Version/VersionPanel.tsx
+++ b/client/src/components/SidePanel/Agents/Version/VersionPanel.tsx
@@ -1,6 +1,6 @@
 import { useCallback, useMemo } from 'react';
 import { ChevronLeft } from 'lucide-react';
-import { useToastContext } from '@librechat/client';
+import { Button, useToastContext } from '@librechat/client';
 import type { AgentWithVersions, VersionContext, VersionRecord } from './types';
 import {
   useGetAgentVersionsQuery,
@@ -141,14 +141,15 @@ export default function VersionPanel() {
   return (
     <div className="scrollbar-gutter-stable h-full min-h-[40vh] overflow-auto pb-12 text-sm">
       <header className="grid grid-cols-[auto_1fr_auto] items-center gap-2 px-2 pb-2 pt-1">
-        <button
-          type="button"
+        <Button
+          variant="subtle"
+          size="icon"
           onClick={() => setActivePanel(Panel.builder)}
           aria-label={localize('com_ui_back_to_builder')}
-          className="inline-flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-xl border border-border-light text-text-secondary transition-colors hover:bg-surface-secondary hover:text-text-primary focus:outline-none focus-visible:ring-2 focus-visible:ring-ring-primary"
+          className="flex-shrink-0 text-text-secondary hover:text-text-primary"
         >
           <ChevronLeft className="h-5 w-5" strokeWidth={1.75} aria-hidden="true" />
-        </button>
+        </Button>
         <div className="flex flex-col items-center">
           <h2 className="text-base font-semibold text-text-primary">
             {localize('com_ui_agent_version_history')}
diff --git a/client/src/components/SidePanel/Agents/Version/__tests__/VersionItem.spec.tsx b/client/src/components/SidePanel/Agents/Version/__tests__/VersionItem.spec.tsx
index 4cdd5db215..a32ce5d9f2 100644
--- a/client/src/components/SidePanel/Agents/Version/__tests__/VersionItem.spec.tsx
+++ b/client/src/components/SidePanel/Agents/Version/__tests__/VersionItem.spec.tsx
@@ -27,6 +27,8 @@ jest.mock('@librechat/client', () => {
   const React = jest.requireActual('react');
   return {
     Label: ({ children, ...rest }: any) => React.createElement('label', rest, children),
+    Button: ({ children, variant: _variant, size: _size, ...rest }: any) =>
+      React.createElement('button', rest, children),
     TooltipAnchor: ({ render }: { render: React.ReactNode }) => render,
     OGDialog: ({ children }: any) => React.createElement(React.Fragment, null, children),
     OGDialogTrigger: ({ children }: any) => children,
diff --git a/client/src/components/SidePanel/Agents/__tests__/AgentFooter.spec.tsx b/client/src/components/SidePanel/Agents/__tests__/AgentFooter.spec.tsx
index e2e2b9f705..d7e8eb3fea 100644
--- a/client/src/components/SidePanel/Agents/__tests__/AgentFooter.spec.tsx
+++ b/client/src/components/SidePanel/Agents/__tests__/AgentFooter.spec.tsx
@@ -157,6 +157,14 @@ jest.mock('../DuplicateAgent', () => ({
 
 jest.mock('@librechat/client', () => ({
   Spinner: () => <div data-testid="spinner" />,
+  Button: ({
+    children,
+    variant: _variant,
+    size: _size,
+    ...props
+  }: React.ComponentProps<'button'> & { variant?: string; size?: string }) => (
+    <button {...props}>{children}</button>
+  ),
 }));
 
 jest.mock('~/components/Sharing', () => ({
diff --git a/client/src/components/SidePanel/Agents/__tests__/FileContext.spec.tsx b/client/src/components/SidePanel/Agents/__tests__/FileContext.spec.tsx
index e6c1d74392..7808db77fb 100644
--- a/client/src/components/SidePanel/Agents/__tests__/FileContext.spec.tsx
+++ b/client/src/components/SidePanel/Agents/__tests__/FileContext.spec.tsx
@@ -56,6 +56,14 @@ jest.mock('@ariakit/react', () => ({
 }));
 
 jest.mock('@librechat/client', () => ({
+  Button: ({
+    children,
+    variant: _variant,
+    size: _size,
+    ...props
+  }: React.ComponentProps<'button'> & { variant?: string; size?: string }) => (
+    <button {...props}>{children}</button>
+  ),
   SharePointIcon: () => <span />,
   DropdownPopup: () => null,
   TooltipAnchor: ({ render }: { render: React.ReactElement }) => render,
diff --git a/client/src/components/SidePanel/Agents/__tests__/MCPToolItem.spec.tsx b/client/src/components/SidePanel/Agents/__tests__/MCPToolItem.spec.tsx
index 6b6c131a4e..a313691609 100644
--- a/client/src/components/SidePanel/Agents/__tests__/MCPToolItem.spec.tsx
+++ b/client/src/components/SidePanel/Agents/__tests__/MCPToolItem.spec.tsx
@@ -9,6 +9,14 @@ jest.mock('~/hooks', () => ({
 
 jest.mock('@librechat/client', () => ({
   TooltipAnchor: ({ render }: { render: React.ReactElement }) => render,
+  Button: ({
+    children,
+    variant: _variant,
+    size: _size,
+    ...props
+  }: React.ComponentProps<'button'> & { variant?: string; size?: string }) => (
+    <button {...props}>{children}</button>
+  ),
 }));
 
 const tool = {
diff --git a/client/src/locales/en/translation.json b/client/src/locales/en/translation.json
index 2b8468749e..837358188c 100644
--- a/client/src/locales/en/translation.json
+++ b/client/src/locales/en/translation.json
@@ -1091,7 +1091,10 @@
   "com_ui_delete_tool": "Delete Tool",
   "com_ui_delete_tool_confirm": "Are you sure you want to delete this tool?",
   "com_ui_delete_tool_error": "Error removing the tool's saved credentials.",
+  "com_ui_delete_tool_error_var": "Error while deleting the tool: {{0}}",
   "com_ui_delete_tool_save_reminder": "Tool removed. Save the agent to apply changes.",
+  "com_ui_delete_tool_success": "Tool deleted successfully",
+  "com_ui_delete_var": "Delete {{0}}",
   "com_ui_deleted": "Deleted",
   "com_ui_deleting": "Deleting...",
   "com_ui_deleting_file": "Deleting file...",