diff --git a/tools/server/webui/src/app.css b/tools/server/webui/src/app.css
index 9705040a4d..59c525d8c7 100644
--- a/tools/server/webui/src/app.css
+++ b/tools/server/webui/src/app.css
@@ -37,7 +37,7 @@
 	--sidebar-accent-foreground: oklch(0.205 0 0);
 	--sidebar-border: oklch(0.922 0 0);
 	--sidebar-ring: oklch(0.708 0 0);
-	--code-background: oklch(0.975 0 0);
+	--code-background: oklch(0.985 0 0);
 	--code-foreground: oklch(0.145 0 0);
 	--layer-popover: 1000000;
 }
@@ -114,14 +114,19 @@
 	--color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
 	--color-sidebar-border: var(--sidebar-border);
 	--color-sidebar-ring: var(--sidebar-ring);
+
+	--chat-form-area-height: 24rem;
 }
 
 @layer base {
 	* {
 		@apply border-border outline-ring/50;
 	}
+
 	body {
 		@apply bg-background text-foreground;
+		scrollbar-width: thin;
+		scrollbar-gutter: stable;
 	}
 }
 
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActions.svelte b/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActions.svelte
index 797f192aab..d6644caaf0 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActions.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatForm/ChatFormActions/ChatFormActions.svelte
@@ -1,37 +1,23 @@
 <script lang="ts">
-	import { onMount } from 'svelte';
-	import { Square, Settings, ChevronDown, Search } from '@lucide/svelte';
+	import { Square } from '@lucide/svelte';
 	import { Button } from '$lib/components/ui/button';
-	import * as DropdownMenu from '$lib/components/ui/dropdown-menu';
-	import { Switch } from '$lib/components/ui/switch';
-	import { cn } from '$lib/components/ui/utils';
 	import {
 		ChatFormActionFileAttachments,
 		ChatFormActionRecord,
 		ChatFormActionSubmit,
 		DialogMcpServersSettings,
+		McpSelector,
 		ModelsSelector
 	} from '$lib/components/app';
-	import McpLogo from '$lib/components/app/misc/McpLogo.svelte';
 	import { FileTypeCategory } from '$lib/enums';
 	import { getFileTypeCategory } from '$lib/utils';
 	import { config } from '$lib/stores/settings.svelte';
 	import { modelsStore, modelOptions, selectedModelId } from '$lib/stores/models.svelte';
 	import { isRouterMode } from '$lib/stores/server.svelte';
 	import { chatStore } from '$lib/stores/chat.svelte';
-	import {
-		activeMessages,
-		usedModalities,
-		conversationsStore
-	} from '$lib/stores/conversations.svelte';
+	import { activeMessages, usedModalities } from '$lib/stores/conversations.svelte';
 	import { useModelChangeValidation } from '$lib/hooks/use-model-change-validation.svelte';
-	import { parseMcpServerSettings, parseMcpServerUsageStats } from '$lib/config/mcp';
-	import type { MCPServerSettingsEntry } from '$lib/types/mcp';
-	import {
-		mcpGetHealthCheckState,
-		mcpHasHealthCheck,
-		mcpRunHealthCheck
-	} from '$lib/stores/mcp.svelte';
+	import { parseMcpServerSettings } from '$lib/config/mcp';
 
 	interface Props {
 		canSend?: boolean;
@@ -180,127 +166,10 @@
 	});
 
 	let showMcpDialog = $state(false);
-	let mcpSearchQuery = $state('');
 
-	// MCP servers state
-	let mcpServers = $derived<MCPServerSettingsEntry[]>(
-		parseMcpServerSettings(currentConfig.mcpServers)
-	);
 
-	// Usage stats for sorting by popularity
-	let mcpUsageStats = $derived(parseMcpServerUsageStats(currentConfig.mcpServerUsageStats));
-
-	// Get usage count for a server
-	function getServerUsageCount(serverId: string): number {
-		return mcpUsageStats[serverId] || 0;
-	}
-
-	// Helper to check if server is enabled for current chat (per-chat override or global)
-	function isServerEnabledForChat(server: MCPServerSettingsEntry): boolean {
-		return conversationsStore.isMcpServerEnabledForChat(server.id, server.enabled);
-	}
-
-	// Helper to check if server has per-chat override
-	function hasPerChatOverride(serverId: string): boolean {
-		return conversationsStore.getMcpServerOverride(serverId) !== undefined;
-	}
-
-	// Servers enabled for current chat (considering per-chat overrides)
-	let enabledMcpServersForChat = $derived(
-		mcpServers.filter((s) => isServerEnabledForChat(s) && s.url.trim())
-	);
-	// Filter out servers with health check errors
-	let healthyEnabledMcpServers = $derived(
-		enabledMcpServersForChat.filter((s) => {
-			const healthState = mcpGetHealthCheckState(s.id);
-			return healthState.status !== 'error';
-		})
-	);
-	let hasEnabledMcpServers = $derived(enabledMcpServersForChat.length > 0);
+	let mcpServers = $derived(parseMcpServerSettings(currentConfig.mcpServers));
 	let hasMcpServers = $derived(mcpServers.length > 0);
-
-	// Sort servers: globally enabled first (by popularity), then rest (by popularity)
-	let sortedMcpServers = $derived(
-		[...mcpServers].sort((a, b) => {
-			// First: globally enabled servers come first
-			if (a.enabled !== b.enabled) return a.enabled ? -1 : 1;
-			// Then sort by usage count (descending)
-			const usageA = getServerUsageCount(a.id);
-			const usageB = getServerUsageCount(b.id);
-			if (usageB !== usageA) return usageB - usageA;
-			// Then alphabetically by name
-			return getServerDisplayName(a).localeCompare(getServerDisplayName(b));
-		})
-	);
-
-	// Filtered and limited servers for dropdown display
-	let displayedMcpServers = $derived(() => {
-		const query = mcpSearchQuery.toLowerCase().trim();
-		if (query) {
-			// When searching, show all matching results
-			return sortedMcpServers.filter((s) => {
-				const name = getServerDisplayName(s).toLowerCase();
-				const url = s.url.toLowerCase();
-				return name.includes(query) || url.includes(query);
-			});
-		}
-		// When not searching, show max 4 items
-		return sortedMcpServers.slice(0, 4);
-	});
-
-	// Count of extra servers beyond the 3 shown as favicons (excluding error servers)
-	let extraServersCount = $derived(Math.max(0, healthyEnabledMcpServers.length - 3));
-
-	// Toggle server enabled state for current chat (per-chat override only)
-	// Global state is only changed from MCP Settings Dialog
-	async function toggleServerForChat(serverId: string, globalEnabled: boolean) {
-		await conversationsStore.toggleMcpServerForChat(serverId, globalEnabled);
-	}
-
-	// Get display name for server
-	function getServerDisplayName(server: MCPServerSettingsEntry): string {
-		if (server.name) return server.name;
-		try {
-			const url = new URL(server.url);
-			const host = url.hostname.replace(/^(www\.|mcp\.)/, '');
-			const name = host.split('.')[0] || 'Unknown';
-			return name.charAt(0).toUpperCase() + name.slice(1);
-		} catch {
-			return 'New Server';
-		}
-	}
-
-	// Get favicon URLs for enabled servers (max 3)
-	function getFaviconUrl(server: MCPServerSettingsEntry): string | null {
-		try {
-			const url = new URL(server.url);
-			const hostnameParts = url.hostname.split('.');
-			const rootDomain =
-				hostnameParts.length >= 2 ? hostnameParts.slice(-2).join('.') : url.hostname;
-			return `https://www.google.com/s2/favicons?domain=${rootDomain}&sz=32`;
-		} catch {
-			return null;
-		}
-	}
-
-	let mcpFavicons = $derived(
-		healthyEnabledMcpServers
-			.slice(0, 3)
-			.map((s) => ({ id: s.id, url: getFaviconUrl(s) }))
-			.filter((f) => f.url !== null)
-	);
-
-	// All servers with valid URLs (for health checks - check all regardless of enabled state)
-	let serversWithUrls = $derived(mcpServers.filter((s) => s.url.trim()));
-
-	// Run health checks on mount for ALL servers with URLs (to show metadata in dropdown)
-	onMount(() => {
-		for (const server of serversWithUrls) {
-			if (!mcpHasHealthCheck(server.id)) {
-				mcpRunHealthCheck(server);
-			}
-		}
-	});
 </script>
 
 <div class="flex w-full items-center gap-3 {className}" style="container-type: inline-size">
@@ -315,126 +184,21 @@
 		/>
 
 		{#if hasMcpServers}
-			<DropdownMenu.Root>
-				<DropdownMenu.Trigger {disabled}>
-					<button
-						type="button"
-						class={cn(
-							'inline-flex cursor-pointer items-center rounded-sm bg-muted-foreground/10 px-1.5 py-1 text-xs transition hover:text-foreground focus:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-60',
-							hasEnabledMcpServers ? 'text-foreground' : 'text-muted-foreground'
-						)}
-						{disabled}
-						aria-label="MCP Servers"
-					>
-						<McpLogo style="width: 0.875rem; height: 0.875rem;" />
-
-						<span class="mx-1.5 font-medium"> MCP </span>
-
-						{#if hasEnabledMcpServers && mcpFavicons.length > 0}
-							<div class="flex -space-x-1">
-								{#each mcpFavicons as favicon (favicon.id)}
-									<img
-										src={favicon.url}
-										alt=""
-										class="h-3.5 w-3.5 rounded-sm"
-										onerror={(e) => {
-											(e.currentTarget as HTMLImageElement).style.display = 'none';
-										}}
-									/>
-								{/each}
-							</div>
-
-							{#if hasEnabledMcpServers && extraServersCount > 0}
-								<span class="ml-1 text-muted-foreground">+{extraServersCount}</span>
-							{/if}
-						{/if}
-
-						<ChevronDown class="h-3 w-3.5" />
-					</button>
-				</DropdownMenu.Trigger>
-
-				<DropdownMenu.Content align="start" class="w-72">
-					<!-- Search Input -->
-					<div class="px-2 pb-2">
-						<div class="relative">
-							<Search
-								class="absolute top-1/2 left-2 h-3.5 w-3.5 -translate-y-1/2 text-muted-foreground"
-							/>
-							<input
-								type="text"
-								placeholder="Search servers..."
-								bind:value={mcpSearchQuery}
-								class="h-8 w-full rounded-md border border-input bg-background pr-3 pl-8 text-sm placeholder:text-muted-foreground focus:ring-1 focus:ring-ring focus:outline-none"
-							/>
-						</div>
-					</div>
-
-					<!-- Servers (sorted by popularity then alphabetically, max 4 when no search) -->
-					<div class="max-h-48 overflow-y-auto">
-						{#each displayedMcpServers() as server (server.id)}
-							{@const healthState = mcpGetHealthCheckState(server.id)}
-							{@const hasError = healthState.status === 'error'}
-							{@const isEnabledForChat = isServerEnabledForChat(server)}
-							{@const hasOverride = hasPerChatOverride(server.id)}
-							<div class="flex items-center justify-between gap-2 px-2 py-1.5">
-								<div class="flex min-w-0 flex-1 items-center gap-2">
-									{#if getFaviconUrl(server)}
-										<img
-											src={getFaviconUrl(server)}
-											alt=""
-											class="h-4 w-4 shrink-0 rounded-sm"
-											onerror={(e) => {
-												(e.currentTarget as HTMLImageElement).style.display = 'none';
-											}}
-										/>
-									{/if}
-									<span class="truncate text-sm">{getServerDisplayName(server)}</span>
-									{#if hasError}
-										<span
-											class="shrink-0 rounded bg-destructive/15 px-1.5 py-0.5 text-xs text-destructive"
-											>Error</span
-										>
-									{:else if server.enabled}
-										<span class="shrink-0 rounded bg-primary/15 px-1.5 py-0.5 text-xs text-primary"
-											>Global</span
-										>
-									{/if}
-								</div>
-								<Switch
-									checked={isEnabledForChat}
-									onCheckedChange={() => toggleServerForChat(server.id, server.enabled)}
-									disabled={hasError}
-									class={hasOverride ? 'ring-2 ring-primary/50 ring-offset-1' : ''}
-								/>
-							</div>
-						{/each}
-						{#if displayedMcpServers().length === 0}
-							<div class="px-2 py-3 text-center text-sm text-muted-foreground">
-								No servers found
-							</div>
-						{/if}
-					</div>
-					<DropdownMenu.Separator />
-					<DropdownMenu.Item
-						class="flex cursor-pointer items-center gap-2"
-						onclick={() => (showMcpDialog = true)}
-					>
-						<Settings class="h-4 w-4" />
-						<span>Manage MCP Servers</span>
-					</DropdownMenu.Item>
-				</DropdownMenu.Content>
-			</DropdownMenu.Root>
+			<McpSelector {disabled} onSettingsClick={() => (showMcpDialog = true)} />
 		{/if}
 	</div>
 
-	<ModelsSelector
-		{disabled}
-		bind:this={selectorModelRef}
-		currentModel={conversationModel}
-		forceForegroundText={true}
-		useGlobalSelection={true}
-		onModelChange={handleModelChange}
-	/>
+	<div class="ml-auto flex items-center gap-1.5">
+		<ModelsSelector
+			class="max-w-[4rem]"
+			{disabled}
+			bind:this={selectorModelRef}
+			currentModel={conversationModel}
+			forceForegroundText={true}
+			useGlobalSelection={true}
+			onModelChange={handleModelChange}
+		/>
+	</div>
 
 	{#if isLoading}
 		<Button
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatMessages/AgenticContent.svelte b/tools/server/webui/src/lib/components/app/chat/ChatMessages/AgenticContent.svelte
index 503628ffbd..d6e437598d 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatMessages/AgenticContent.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatMessages/AgenticContent.svelte
@@ -10,10 +10,7 @@
 	import { MarkdownContent, SyntaxHighlightedCode } from '$lib/components/app';
 	import { config } from '$lib/stores/settings.svelte';
 	import { Wrench, Loader2 } from '@lucide/svelte';
-	import ChevronsUpDownIcon from '@lucide/svelte/icons/chevrons-up-down';
-	import * as Collapsible from '$lib/components/ui/collapsible/index.js';
-	import { buttonVariants } from '$lib/components/ui/button/index.js';
-	import { Card } from '$lib/components/ui/card';
+	import CollapsibleInfoCard from './CollapsibleInfoCard.svelte';
 
 	interface Props {
 		content: string;
@@ -104,8 +101,9 @@
 		);
 
 		// Partial pending match (has START and NAME but ARGS still streaming)
+		// Capture everything after TOOL_ARGS_BASE64: until the end
 		const partialWithNameMatch = remainingContent.match(
-			/<<<AGENTIC_TOOL_CALL_START>>>\n<<<TOOL_NAME:(.+?)>>>\n<<<TOOL_ARGS_BASE64:([^>]*)$/
+			/<<<AGENTIC_TOOL_CALL_START>>>\n<<<TOOL_NAME:(.+?)>>>\n<<<TOOL_ARGS_BASE64:([\s\S]*)$/
 		);
 
 		// Very early match (just START marker, maybe partial NAME)
@@ -150,11 +148,31 @@
 				}
 			}
 
+			// Try to decode partial base64 args
+			const partialArgsBase64 = partialWithNameMatch[2] || '';
+			let partialArgs = '';
+			if (partialArgsBase64) {
+				try {
+					// Try to decode - may fail if incomplete base64
+					partialArgs = decodeURIComponent(escape(atob(partialArgsBase64)));
+				} catch {
+					// If decoding fails, try padding the base64
+					try {
+						const padded =
+							partialArgsBase64 + '=='.slice(0, (4 - (partialArgsBase64.length % 4)) % 4);
+						partialArgs = decodeURIComponent(escape(atob(padded)));
+					} catch {
+						// Show raw base64 if all decoding fails
+						partialArgs = '';
+					}
+				}
+			}
+
 			sections.push({
 				type: 'tool_call_streaming',
 				content: '',
 				toolName: partialWithNameMatch[1],
-				toolArgs: undefined,
+				toolArgs: partialArgs || undefined,
 				toolResult: undefined
 			});
 		} else if (earlyMatch) {
@@ -218,86 +236,79 @@
 				<MarkdownContent content={section.content} />
 			</div>
 		{:else if section.type === 'tool_call_streaming'}
-			<!-- Early streaming state - show minimal UI while markers are being received -->
-			<div class="my-4">
-				<Card class="gap-0 border-muted bg-muted/30 py-0">
-					<div class="flex items-center gap-2 p-3 text-muted-foreground">
-						<Loader2 class="h-4 w-4 animate-spin" />
-						{#if section.toolName}
-							<span class="font-mono text-sm font-medium">{section.toolName}</span>
-						{/if}
-						<span class="text-xs italic">preparing...</span>
+			<!-- Streaming state - show CollapsibleInfoCard with live streaming args -->
+			<CollapsibleInfoCard
+				open={isExpanded(index, true)}
+				class="my-2"
+				icon={Loader2}
+				iconClass="h-4 w-4 animate-spin"
+				title={section.toolName || 'Tool call'}
+				subtitle="streaming..."
+				onToggle={() => toggleExpanded(index, true)}
+			>
+				<div class="pt-3">
+					<div class="my-3 flex items-center gap-2 text-xs text-muted-foreground">
+						<span>Arguments:</span>
+						<Loader2 class="h-3 w-3 animate-spin" />
 					</div>
-				</Card>
-			</div>
+					{#if section.toolArgs}
+						<SyntaxHighlightedCode
+							code={formatToolArgs(section.toolArgs)}
+							language="json"
+							maxHeight="20rem"
+							class="text-xs"
+						/>
+					{:else}
+						<div class="rounded bg-muted/30 p-2 text-xs text-muted-foreground italic">
+							Receiving arguments...
+						</div>
+					{/if}
+				</div>
+			</CollapsibleInfoCard>
 		{:else if section.type === 'tool_call' || section.type === 'tool_call_pending'}
 			{@const isPending = section.type === 'tool_call_pending'}
-			<Collapsible.Root open={isExpanded(index, isPending)} class="my-2">
-				<Card class="gap-0 border-muted bg-muted/30 py-0">
-					<Collapsible.Trigger
-						class="flex w-full cursor-pointer items-center justify-between p-3"
-						onclick={() => toggleExpanded(index, isPending)}
-					>
-						<div class="flex items-center gap-2 text-muted-foreground">
-							{#if isPending}
-								<Loader2 class="h-4 w-4 animate-spin" />
-							{:else}
-								<Wrench class="h-4 w-4" />
-							{/if}
-							<span class="font-mono text-sm font-medium">{section.toolName}</span>
-							{#if isPending}
-								<span class="text-xs italic">executing...</span>
-							{/if}
-						</div>
+			{@const toolIcon = isPending ? Loader2 : Wrench}
+			{@const toolIconClass = isPending ? 'h-4 w-4 animate-spin' : 'h-4 w-4'}
+			<CollapsibleInfoCard
+				open={isExpanded(index, isPending)}
+				class="my-2"
+				icon={toolIcon}
+				iconClass={toolIconClass}
+				title={section.toolName || ''}
+				subtitle={isPending ? 'executing...' : undefined}
+				onToggle={() => toggleExpanded(index, isPending)}
+			>
+				{#if section.toolArgs && section.toolArgs !== '{}'}
+					<div class="pt-3">
+						<div class="my-3 text-xs text-muted-foreground">Arguments:</div>
+						<SyntaxHighlightedCode
+							code={formatToolArgs(section.toolArgs)}
+							language="json"
+							maxHeight="20rem"
+							class="text-xs"
+						/>
+					</div>
+				{/if}
 
-						<div
-							class={buttonVariants({
-								variant: 'ghost',
-								size: 'sm',
-								class: 'h-6 w-6 p-0 text-muted-foreground hover:text-foreground'
-							})}
-						>
-							<ChevronsUpDownIcon class="h-4 w-4" />
-							<span class="sr-only">Toggle tool call content</span>
+				<div class="pt-3">
+					<div class="my-3 flex items-center gap-2 text-xs text-muted-foreground">
+						<span>Result:</span>
+						{#if isPending}
+							<Loader2 class="h-3 w-3 animate-spin" />
+						{/if}
+					</div>
+					{#if section.toolResult}
+						<div class="overflow-auto rounded-lg border border-border bg-muted">
+							<!-- prettier-ignore -->
+							<pre class="m-0 overflow-x-auto whitespace-pre-wrap p-4 font-mono text-xs leading-relaxed"><code>{section.toolResult}</code></pre>
 						</div>
-					</Collapsible.Trigger>
-
-					<Collapsible.Content>
-						<div class="border-t border-muted px-3 pb-3">
-							{#if section.toolArgs && section.toolArgs !== '{}'}
-								<div class="pt-3">
-									<div class="my-3 text-xs text-muted-foreground">Arguments:</div>
-									<SyntaxHighlightedCode
-										code={formatToolArgs(section.toolArgs)}
-										language="json"
-										maxHeight="20rem"
-										class="text-xs"
-									/>
-								</div>
-							{/if}
-
-							<div class="pt-3">
-								<div class="my-3 flex items-center gap-2 text-xs text-muted-foreground">
-									<span>Result:</span>
-									{#if isPending}
-										<Loader2 class="h-3 w-3 animate-spin" />
-									{/if}
-								</div>
-								{#if section.toolResult}
-									<div class="overflow-auto rounded-lg border border-border bg-muted">
-										<!-- prettier-ignore -->
-										<pre class="m-0 overflow-x-auto whitespace-pre-wrap p-4 font-mono text-xs leading-relaxed"><code>{section.toolResult}</code></pre>
-									</div>
-								{:else if isPending}
-									<div class="rounded bg-muted/30 p-2 text-xs text-muted-foreground italic">
-										Waiting for result...
-									</div>
-								{/if}
-							</div>
+					{:else if isPending}
+						<div class="rounded bg-muted/30 p-2 text-xs text-muted-foreground italic">
+							Waiting for result...
 						</div>
-					</Collapsible.Content>
-				</Card>
-			</Collapsible.Root>
+					{/if}
+				</div>
+			</CollapsibleInfoCard>
 		{/if}
 	{/each}
 </div>
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageSystem.svelte b/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageSystem.svelte
index 8246e375b9..269e83776d 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageSystem.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageSystem.svelte
@@ -131,12 +131,12 @@
 					type="button"
 				>
 					<Card
-						class="rounded-[1.125rem] !border-2 !border-dashed !border-border/50 bg-muted px-3.75 py-1.5 data-[multiline]:py-2.5"
+						class="overflow-y-auto rounded-[1.125rem] !border-2 !border-dashed !border-border/50 bg-muted px-3.75 py-1.5 data-[multiline]:py-2.5"
 						data-multiline={isMultiline ? '' : undefined}
-						style="border: 2px dashed hsl(var(--border));"
+						style="border: 2px dashed hsl(var(--border)); max-height: calc(100dvh - var(--chat-form-area-height));"
 					>
 						<div
-							class="relative overflow-hidden transition-all duration-300 {isExpanded
+							class="relative transition-all duration-300 {isExpanded
 								? 'cursor-text select-text'
 								: 'select-none'}"
 							style={!isExpanded && showExpandButton
@@ -145,7 +145,10 @@
 						>
 							{#if currentConfig.renderUserContentAsMarkdown}
 								<div bind:this={messageElement} class="text-md {isExpanded ? 'cursor-text' : ''}">
-									<MarkdownContent class="markdown-system-content" content={message.content} />
+									<MarkdownContent
+										class="markdown-system-content overflow-auto"
+										content={message.content}
+									/>
 								</div>
 							{:else}
 								<span
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageThinkingBlock.svelte b/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageThinkingBlock.svelte
index 9245ad5153..3e66580682 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageThinkingBlock.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageThinkingBlock.svelte
@@ -1,10 +1,7 @@
 <script lang="ts">
 	import { Brain } from '@lucide/svelte';
-	import ChevronsUpDownIcon from '@lucide/svelte/icons/chevrons-up-down';
-	import * as Collapsible from '$lib/components/ui/collapsible/index.js';
-	import { buttonVariants } from '$lib/components/ui/button/index.js';
-	import { Card } from '$lib/components/ui/card';
 	import { config } from '$lib/stores/settings.svelte';
+	import CollapsibleInfoCard from './CollapsibleInfoCard.svelte';
 
 	interface Props {
 		class?: string;
@@ -31,38 +28,15 @@
 	});
 </script>
 
-<Collapsible.Root bind:open={isExpanded} class="mb-6 {className}">
-	<Card class="gap-0 border-muted bg-muted/30 py-0">
-		<Collapsible.Trigger class="flex cursor-pointer items-center justify-between p-3">
-			<div class="flex items-center gap-2 text-muted-foreground">
-				<Brain class="h-4 w-4" />
-
-				<span class="text-sm font-medium">
-					{isStreaming ? 'Reasoning...' : 'Reasoning'}
-				</span>
-			</div>
-
-			<div
-				class={buttonVariants({
-					variant: 'ghost',
-					size: 'sm',
-					class: 'h-6 w-6 p-0 text-muted-foreground hover:text-foreground'
-				})}
-			>
-				<ChevronsUpDownIcon class="h-4 w-4" />
-
-				<span class="sr-only">Toggle reasoning content</span>
-			</div>
-		</Collapsible.Trigger>
-
-		<Collapsible.Content>
-			<div class="border-t border-muted px-3 pb-3">
-				<div class="pt-3">
-					<div class="text-xs leading-relaxed break-words whitespace-pre-wrap">
-						{reasoningContent ?? ''}
-					</div>
-				</div>
-			</div>
-		</Collapsible.Content>
-	</Card>
-</Collapsible.Root>
+<CollapsibleInfoCard
+	bind:open={isExpanded}
+	class="mb-6 {className}"
+	icon={Brain}
+	title={isStreaming ? 'Reasoning...' : 'Reasoning'}
+>
+	<div class="pt-3">
+		<div class="text-xs leading-relaxed break-words whitespace-pre-wrap">
+			{reasoningContent ?? ''}
+		</div>
+	</div>
+</CollapsibleInfoCard>
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageUser.svelte b/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageUser.svelte
index 041c6bd251..0bf8cde390 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageUser.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessageUser.svelte
@@ -123,8 +123,9 @@
 
 		{#if message.content.trim()}
 			<Card
-				class="max-w-[80%] rounded-[1.125rem] border-none bg-primary px-3.75 py-1.5 text-primary-foreground data-[multiline]:py-2.5"
+				class="max-w-[80%] overflow-y-auto rounded-[1.125rem] border-none bg-primary/5 px-3.75 py-1.5 text-foreground backdrop-blur-md data-[multiline]:py-2.5 dark:bg-primary/15"
 				data-multiline={isMultiline ? '' : undefined}
+				style="max-height: calc(100dvh - var(--chat-form-area-height));"
 			>
 				{#if currentConfig.renderUserContentAsMarkdown}
 					<div bind:this={messageElement} class="text-md">
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatMessages/CollapsibleInfoCard.svelte b/tools/server/webui/src/lib/components/app/chat/ChatMessages/CollapsibleInfoCard.svelte
new file mode 100644
index 0000000000..5b10db9f4f
--- /dev/null
+++ b/tools/server/webui/src/lib/components/app/chat/ChatMessages/CollapsibleInfoCard.svelte
@@ -0,0 +1,83 @@
+<script lang="ts">
+	/**
+	 * CollapsibleInfoCard - Reusable collapsible card component
+	 *
+	 * Used for displaying thinking content, tool calls, and other collapsible information
+	 * with a consistent UI pattern.
+	 */
+	import ChevronsUpDownIcon from '@lucide/svelte/icons/chevrons-up-down';
+	import * as Collapsible from '$lib/components/ui/collapsible/index.js';
+	import { buttonVariants } from '$lib/components/ui/button/index.js';
+	import { Card } from '$lib/components/ui/card';
+	import type { Snippet } from 'svelte';
+	import type { Component } from 'svelte';
+
+	interface Props {
+		/** Whether the card is expanded */
+		open?: boolean;
+		/** CSS class for the root element */
+		class?: string;
+		/** Icon component to display */
+		icon?: Component;
+		/** Custom icon class (for animations like spin) */
+		iconClass?: string;
+		/** Title text */
+		title: string;
+		/** Optional subtitle/status text */
+		subtitle?: string;
+		/** Optional click handler for the trigger */
+		onToggle?: () => void;
+		/** Content to display in the collapsible section */
+		children: Snippet;
+	}
+
+	let {
+		open = $bindable(false),
+		class: className = '',
+		icon: Icon,
+		iconClass = 'h-4 w-4',
+		title,
+		subtitle,
+		onToggle,
+		children
+	}: Props = $props();
+</script>
+
+<Collapsible.Root bind:open class={className}>
+	<Card class="gap-0 border-muted bg-muted/30 py-0">
+		<Collapsible.Trigger
+			class="flex w-full cursor-pointer items-center justify-between p-3"
+			onclick={onToggle}
+		>
+			<div class="flex items-center gap-2 text-muted-foreground">
+				{#if Icon}
+					<Icon class={iconClass} />
+				{/if}
+				<span class="font-mono text-sm font-medium">{title}</span>
+				{#if subtitle}
+					<span class="text-xs italic">{subtitle}</span>
+				{/if}
+			</div>
+
+			<div
+				class={buttonVariants({
+					variant: 'ghost',
+					size: 'sm',
+					class: 'h-6 w-6 p-0 text-muted-foreground hover:text-foreground'
+				})}
+			>
+				<ChevronsUpDownIcon class="h-4 w-4" />
+				<span class="sr-only">Toggle content</span>
+			</div>
+		</Collapsible.Trigger>
+
+		<Collapsible.Content>
+			<div
+				class="overflow-y-auto border-t border-muted px-3 pb-3"
+				style="max-height: calc(100dvh - var(--chat-form-area-height));"
+			>
+				{@render children()}
+			</div>
+		</Collapsible.Content>
+	</Card>
+</Collapsible.Root>
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatScreen/ChatScreenHeader.svelte b/tools/server/webui/src/lib/components/app/chat/ChatScreen/ChatScreenHeader.svelte
index 874140feec..bbf401ea92 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatScreen/ChatScreenHeader.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatScreen/ChatScreenHeader.svelte
@@ -14,7 +14,7 @@
 </script>
 
 <header
-	class="md:background-transparent pointer-events-none fixed top-0 right-0 left-0 z-50 flex items-center justify-end bg-background/40 p-4 backdrop-blur-xl duration-200 ease-linear {sidebar.open
+	class="pointer-events-none fixed top-0 right-0 left-0 z-50 flex items-center justify-end p-4 duration-200 ease-linear {sidebar.open
 		? 'md:left-[var(--sidebar-width)]'
 		: ''}"
 >
diff --git a/tools/server/webui/src/lib/components/app/chat/ChatScreen/ChatScreenProcessingInfo.svelte b/tools/server/webui/src/lib/components/app/chat/ChatScreen/ChatScreenProcessingInfo.svelte
index a60ae9e9af..bf52b1f0b6 100644
--- a/tools/server/webui/src/lib/components/app/chat/ChatScreen/ChatScreenProcessingInfo.svelte
+++ b/tools/server/webui/src/lib/components/app/chat/ChatScreen/ChatScreenProcessingInfo.svelte
@@ -63,7 +63,7 @@
 <div class="chat-processing-info-container pointer-events-none" class:visible={showProcessingInfo}>
 	<div class="chat-processing-info-content">
 		{#each processingDetails as detail (detail)}
-			<span class="chat-processing-info-detail pointer-events-auto">{detail}</span>
+			<span class="chat-processing-info-detail pointer-events-auto backdrop-blur-sm">{detail}</span>
 		{/each}
 	</div>
 </div>
@@ -73,7 +73,7 @@
 		position: sticky;
 		top: 0;
 		z-index: 10;
-		padding: 1.5rem 1rem;
+		padding: 0 1rem 0.75rem;
 		opacity: 0;
 		transform: translateY(50%);
 		transition:
@@ -100,7 +100,6 @@
 		color: var(--muted-foreground);
 		font-size: 0.75rem;
 		padding: 0.25rem 0.75rem;
-		background: var(--muted);
 		border-radius: 0.375rem;
 		font-family:
 			ui-monospace, SFMono-Regular, 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
diff --git a/tools/server/webui/src/lib/components/app/index.ts b/tools/server/webui/src/lib/components/app/index.ts
index 80a2cfa192..436b388c05 100644
--- a/tools/server/webui/src/lib/components/app/index.ts
+++ b/tools/server/webui/src/lib/components/app/index.ts
@@ -23,6 +23,7 @@ export { default as ChatMessageStatistics } from './chat/ChatMessages/ChatMessag
 export { default as ChatMessageSystem } from './chat/ChatMessages/ChatMessageSystem.svelte';
 export { default as ChatMessageThinkingBlock } from './chat/ChatMessages/ChatMessageThinkingBlock.svelte';
 export { default as ChatMessages } from './chat/ChatMessages/ChatMessages.svelte';
+export { default as CollapsibleInfoCard } from './chat/ChatMessages/CollapsibleInfoCard.svelte';
 export { default as MessageBranchingControls } from './chat/ChatMessages/ChatMessageBranchingControls.svelte';
 
 export { default as ChatScreen } from './chat/ChatScreen/ChatScreen.svelte';
@@ -68,9 +69,14 @@ export { default as KeyboardShortcutInfo } from './misc/KeyboardShortcutInfo.sve
 export { default as MarkdownContent } from './misc/MarkdownContent.svelte';
 export { default as RemoveButton } from './misc/RemoveButton.svelte';
 export { default as SearchInput } from './misc/SearchInput.svelte';
+export { default as SearchableDropdownMenu } from './misc/SearchableDropdownMenu.svelte';
 export { default as SyntaxHighlightedCode } from './misc/SyntaxHighlightedCode.svelte';
 export { default as ModelsSelector } from './models/ModelsSelector.svelte';
 
+// MCP
+
+export { default as McpSelector } from './mcp/McpSelector.svelte';
+
 // Server
 
 export { default as ServerStatus } from './server/ServerStatus.svelte';
diff --git a/tools/server/webui/src/lib/components/app/mcp/McpSelector.svelte b/tools/server/webui/src/lib/components/app/mcp/McpSelector.svelte
new file mode 100644
index 0000000000..341f7693cb
--- /dev/null
+++ b/tools/server/webui/src/lib/components/app/mcp/McpSelector.svelte
@@ -0,0 +1,239 @@
+<script lang="ts">
+	import { onMount } from 'svelte';
+	import { ChevronDown, Settings } from '@lucide/svelte';
+	import * as DropdownMenu from '$lib/components/ui/dropdown-menu';
+	import { Switch } from '$lib/components/ui/switch';
+	import { cn } from '$lib/components/ui/utils';
+	import { SearchableDropdownMenu } from '$lib/components/app';
+	import McpLogo from '$lib/components/app/misc/McpLogo.svelte';
+	import { config } from '$lib/stores/settings.svelte';
+	import { conversationsStore } from '$lib/stores/conversations.svelte';
+	import { parseMcpServerSettings, parseMcpServerUsageStats } from '$lib/config/mcp';
+	import type { MCPServerSettingsEntry } from '$lib/types/mcp';
+	import {
+		mcpGetHealthCheckState,
+		mcpHasHealthCheck,
+		mcpRunHealthCheck
+	} from '$lib/stores/mcp.svelte';
+
+	interface Props {
+		class?: string;
+		disabled?: boolean;
+		onSettingsClick?: () => void;
+	}
+
+	let { class: className = '', disabled = false, onSettingsClick }: Props = $props();
+
+	let currentConfig = $derived(config());
+	let searchQuery = $state('');
+
+	// MCP servers state
+	let mcpServers = $derived<MCPServerSettingsEntry[]>(
+		parseMcpServerSettings(currentConfig.mcpServers)
+	);
+
+	// Usage stats for sorting by popularity
+	let mcpUsageStats = $derived(parseMcpServerUsageStats(currentConfig.mcpServerUsageStats));
+
+	// Get usage count for a server
+	function getServerUsageCount(serverId: string): number {
+		return mcpUsageStats[serverId] || 0;
+	}
+
+	// Helper to check if server is enabled for current chat (per-chat override or global)
+	function isServerEnabledForChat(server: MCPServerSettingsEntry): boolean {
+		return conversationsStore.isMcpServerEnabledForChat(server.id, server.enabled);
+	}
+
+	// Helper to check if server has per-chat override
+	function hasPerChatOverride(serverId: string): boolean {
+		return conversationsStore.getMcpServerOverride(serverId) !== undefined;
+	}
+
+	// Servers enabled for current chat (considering per-chat overrides)
+	let enabledMcpServersForChat = $derived(
+		mcpServers.filter((s) => isServerEnabledForChat(s) && s.url.trim())
+	);
+
+	// Filter out servers with health check errors
+	let healthyEnabledMcpServers = $derived(
+		enabledMcpServersForChat.filter((s) => {
+			const healthState = mcpGetHealthCheckState(s.id);
+			return healthState.status !== 'error';
+		})
+	);
+
+	let hasEnabledMcpServers = $derived(enabledMcpServersForChat.length > 0);
+
+	// Sort servers: globally enabled first (by popularity), then rest (by popularity)
+	let sortedMcpServers = $derived(
+		[...mcpServers].sort((a, b) => {
+			// First: globally enabled servers come first
+			if (a.enabled !== b.enabled) return a.enabled ? -1 : 1;
+			// Then sort by usage count (descending)
+			const usageA = getServerUsageCount(a.id);
+			const usageB = getServerUsageCount(b.id);
+			if (usageB !== usageA) return usageB - usageA;
+			// Then alphabetically by name
+			return getServerDisplayName(a).localeCompare(getServerDisplayName(b));
+		})
+	);
+
+	// Filtered servers for display
+	let filteredMcpServers = $derived(() => {
+		const query = searchQuery.toLowerCase().trim();
+		if (query) {
+			return sortedMcpServers.filter((s) => {
+				const name = getServerDisplayName(s).toLowerCase();
+				const url = s.url.toLowerCase();
+				return name.includes(query) || url.includes(query);
+			});
+		}
+		// When not searching, show max 4 items
+		return sortedMcpServers.slice(0, 4);
+	});
+
+	// Count of extra servers beyond the 3 shown as favicons (excluding error servers)
+	let extraServersCount = $derived(Math.max(0, healthyEnabledMcpServers.length - 3));
+
+	// Toggle server enabled state for current chat (per-chat override only)
+	async function toggleServerForChat(serverId: string, globalEnabled: boolean) {
+		await conversationsStore.toggleMcpServerForChat(serverId, globalEnabled);
+	}
+
+	// Get display name for server
+	function getServerDisplayName(server: MCPServerSettingsEntry): string {
+		if (server.name) return server.name;
+		try {
+			const url = new URL(server.url);
+			const host = url.hostname.replace(/^(www\.|mcp\.)/, '');
+			const name = host.split('.')[0] || 'Unknown';
+			return name.charAt(0).toUpperCase() + name.slice(1);
+		} catch {
+			return 'New Server';
+		}
+	}
+
+	// Get favicon URL for server
+	function getFaviconUrl(server: MCPServerSettingsEntry): string | null {
+		try {
+			const url = new URL(server.url);
+			const hostnameParts = url.hostname.split('.');
+			const rootDomain =
+				hostnameParts.length >= 2 ? hostnameParts.slice(-2).join('.') : url.hostname;
+			return `https://www.google.com/s2/favicons?domain=${rootDomain}&sz=32`;
+		} catch {
+			return null;
+		}
+	}
+
+	let mcpFavicons = $derived(
+		healthyEnabledMcpServers
+			.slice(0, 3)
+			.map((s) => ({ id: s.id, url: getFaviconUrl(s) }))
+			.filter((f) => f.url !== null)
+	);
+
+	// All servers with valid URLs (for health checks)
+	let serversWithUrls = $derived(mcpServers.filter((s) => s.url.trim()));
+
+	// Run health checks on mount for ALL servers with URLs
+	onMount(() => {
+		for (const server of serversWithUrls) {
+			if (!mcpHasHealthCheck(server.id)) {
+				mcpRunHealthCheck(server);
+			}
+		}
+	});
+</script>
+
+<SearchableDropdownMenu
+	bind:searchValue={searchQuery}
+	placeholder="Search servers..."
+	emptyMessage="No servers found"
+	isEmpty={filteredMcpServers().length === 0}
+	{disabled}
+>
+	{#snippet trigger()}
+		<button
+			type="button"
+			class={cn(
+				'inline-flex cursor-pointer items-center rounded-sm bg-muted-foreground/10 px-1.5 py-1 text-xs transition hover:text-foreground focus:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-60',
+				hasEnabledMcpServers ? 'text-foreground' : 'text-muted-foreground',
+				className
+			)}
+			{disabled}
+			aria-label="MCP Servers"
+		>
+			<McpLogo style="width: 0.875rem; height: 0.875rem;" />
+
+			<span class="mx-1.5 font-medium">MCP</span>
+
+			{#if hasEnabledMcpServers && mcpFavicons.length > 0}
+				<div class="flex -space-x-1">
+					{#each mcpFavicons as favicon (favicon.id)}
+						<img
+							src={favicon.url}
+							alt=""
+							class="h-3.5 w-3.5 rounded-sm"
+							onerror={(e) => {
+								(e.currentTarget as HTMLImageElement).style.display = 'none';
+							}}
+						/>
+					{/each}
+				</div>
+
+				{#if extraServersCount > 0}
+					<span class="ml-1 text-muted-foreground">+{extraServersCount}</span>
+				{/if}
+			{/if}
+
+			<ChevronDown class="h-3 w-3.5" />
+		</button>
+	{/snippet}
+
+	{#each filteredMcpServers() as server (server.id)}
+		{@const healthState = mcpGetHealthCheckState(server.id)}
+		{@const hasError = healthState.status === 'error'}
+		{@const isEnabledForChat = isServerEnabledForChat(server)}
+		{@const hasOverride = hasPerChatOverride(server.id)}
+
+		<div class="flex items-center justify-between gap-2 px-2 py-2">
+			<div class="flex min-w-0 flex-1 items-center gap-2">
+				{#if getFaviconUrl(server)}
+					<img
+						src={getFaviconUrl(server)}
+						alt=""
+						class="h-4 w-4 shrink-0 rounded-sm"
+						onerror={(e) => {
+							(e.currentTarget as HTMLImageElement).style.display = 'none';
+						}}
+					/>
+				{/if}
+				<span class="truncate text-sm">{getServerDisplayName(server)}</span>
+				{#if hasError}
+					<span class="shrink-0 rounded bg-destructive/15 px-1.5 py-0.5 text-xs text-destructive"
+						>Error</span
+					>
+				{:else if server.enabled}
+					<span class="shrink-0 rounded bg-primary/15 px-1.5 py-0.5 text-xs text-primary"
+						>Global</span
+					>
+				{/if}
+			</div>
+			<Switch
+				checked={isEnabledForChat}
+				onCheckedChange={() => toggleServerForChat(server.id, server.enabled)}
+				disabled={hasError}
+				class={hasOverride ? 'ring-2 ring-primary/50 ring-offset-1' : ''}
+			/>
+		</div>
+	{/each}
+
+	{#snippet footer()}
+		<DropdownMenu.Item class="flex cursor-pointer items-center gap-2" onclick={onSettingsClick}>
+			<Settings class="h-4 w-4" />
+			<span>Manage MCP Servers</span>
+		</DropdownMenu.Item>
+	{/snippet}
+</SearchableDropdownMenu>
diff --git a/tools/server/webui/src/lib/components/app/misc/MarkdownContent.svelte b/tools/server/webui/src/lib/components/app/misc/MarkdownContent.svelte
index 8b2f39eebd..b6d7e0685f 100644
--- a/tools/server/webui/src/lib/components/app/misc/MarkdownContent.svelte
+++ b/tools/server/webui/src/lib/components/app/misc/MarkdownContent.svelte
@@ -677,25 +677,33 @@
 	/* Code blocks */
 
 	div :global(.code-block-wrapper) {
+		scrollbar-width: thin;
+		scrollbar-gutter: stable;
 		margin: 1.5rem 0;
 		border-radius: 0.75rem;
-		overflow: hidden;
-		border: 1px solid var(--border);
+		overflow: auto;
+		border: 1px solid color-mix(in oklch, var(--border) 30%, transparent);
 		background: var(--code-background);
+		box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
+		max-height: calc(100dvh - var(--chat-form-area-height));
+	}
+
+	:global(.dark) div :global(.code-block-wrapper) {
+		border-color: color-mix(in oklch, var(--border) 20%, transparent);
 	}
 
 	div :global(.code-block-header) {
 		display: flex;
 		justify-content: space-between;
 		align-items: center;
-		padding: 0.5rem 1rem;
-		background: hsl(var(--muted) / 0.5);
-		border-bottom: 1px solid var(--border);
+		padding: 0.5rem 1rem 0;
 		font-size: 0.875rem;
+		position: sticky;
+		top: 0;
 	}
 
 	div :global(.code-language) {
-		color: var(--code-foreground);
+		color: var(--color-foreground);
 		font-weight: 500;
 		font-family:
 			ui-monospace, SFMono-Regular, 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas,
@@ -735,7 +743,7 @@
 
 	div :global(.code-block-wrapper pre) {
 		background: transparent;
-		padding: 1rem;
+		padding: 0.5rem;
 		margin: 0;
 		overflow-x: auto;
 		border-radius: 0;
diff --git a/tools/server/webui/src/lib/components/app/misc/SearchableDropdownMenu.svelte b/tools/server/webui/src/lib/components/app/misc/SearchableDropdownMenu.svelte
new file mode 100644
index 0000000000..37d975ee33
--- /dev/null
+++ b/tools/server/webui/src/lib/components/app/misc/SearchableDropdownMenu.svelte
@@ -0,0 +1,95 @@
+<script lang="ts">
+	import type { Snippet } from 'svelte';
+	import * as DropdownMenu from '$lib/components/ui/dropdown-menu';
+	import { cn } from '$lib/components/ui/utils';
+	import { SearchInput } from '$lib/components/app';
+
+	interface Props {
+		/** Controlled open state */
+		open?: boolean;
+		/** Callback when open state changes */
+		onOpenChange?: (open: boolean) => void;
+		/** Search input placeholder */
+		placeholder?: string;
+		/** Search input value (bindable) */
+		searchValue?: string;
+		/** Callback when search value changes */
+		onSearchChange?: (value: string) => void;
+		/** Callback for search input keydown events */
+		onSearchKeyDown?: (event: KeyboardEvent) => void;
+		/** Content alignment */
+		align?: 'start' | 'center' | 'end';
+		/** Content width class */
+		contentClass?: string;
+		/** Max height for the list area */
+		listMaxHeight?: string;
+		/** Empty state message */
+		emptyMessage?: string;
+		/** Whether to show empty state */
+		isEmpty?: boolean;
+		/** Whether the trigger is disabled */
+		disabled?: boolean;
+		/** Trigger content */
+		trigger: Snippet;
+		/** List items content */
+		children: Snippet;
+		/** Optional footer content */
+		footer?: Snippet;
+	}
+
+	let {
+		open = $bindable(false),
+		onOpenChange,
+		placeholder = 'Search...',
+		searchValue = $bindable(''),
+		onSearchChange,
+		onSearchKeyDown,
+		align = 'start',
+		contentClass = 'w-72',
+		listMaxHeight = 'max-h-48',
+		emptyMessage = 'No items found',
+		isEmpty = false,
+		disabled = false,
+		trigger,
+		children,
+		footer
+	}: Props = $props();
+
+	function handleOpenChange(newOpen: boolean) {
+		open = newOpen;
+		if (!newOpen) {
+			searchValue = '';
+			onSearchChange?.('');
+		}
+		onOpenChange?.(newOpen);
+	}
+</script>
+
+<DropdownMenu.Root bind:open onOpenChange={handleOpenChange}>
+	<DropdownMenu.Trigger {disabled}>
+		{@render trigger()}
+	</DropdownMenu.Trigger>
+
+	<DropdownMenu.Content {align} class={cn(contentClass)}>
+		<div class="mb-2 p-1">
+			<SearchInput
+				{placeholder}
+				bind:value={searchValue}
+				onInput={onSearchChange}
+				onKeyDown={onSearchKeyDown}
+			/>
+		</div>
+
+		<div class={cn('overflow-y-auto', listMaxHeight)}>
+			{@render children()}
+			{#if isEmpty}
+				<div class="px-2 py-3 text-center text-sm text-muted-foreground">{emptyMessage}</div>
+			{/if}
+		</div>
+
+		{#if footer}
+			<DropdownMenu.Separator />
+			{@render footer()}
+		{/if}
+	</DropdownMenu.Content>
+</DropdownMenu.Root>
diff --git a/tools/server/webui/src/lib/components/app/misc/SyntaxHighlightedCode.svelte b/tools/server/webui/src/lib/components/app/misc/SyntaxHighlightedCode.svelte
index bc42f9dd1e..afdaea0dcb 100644
--- a/tools/server/webui/src/lib/components/app/misc/SyntaxHighlightedCode.svelte
+++ b/tools/server/webui/src/lib/components/app/misc/SyntaxHighlightedCode.svelte
@@ -75,7 +75,7 @@
 	style="max-height: {maxHeight}; max-width: {maxWidth};"
 >
 	<!-- Needs to be formatted as single line for proper rendering -->
-	<pre class="m-0 overflow-x-auto p-4"><code class="hljs text-sm leading-relaxed"
+	<pre class="m-0 overflow-x-auto"><code class="hljs text-sm leading-relaxed"
 			>{@html highlightedHtml}</code
 		></pre>
 </div>
diff --git a/tools/server/webui/src/lib/components/app/models/ModelsSelector.svelte b/tools/server/webui/src/lib/components/app/models/ModelsSelector.svelte
index efc9cd4e2f..c134f90542 100644
--- a/tools/server/webui/src/lib/components/app/models/ModelsSelector.svelte
+++ b/tools/server/webui/src/lib/components/app/models/ModelsSelector.svelte
@@ -1,8 +1,7 @@
 <script lang="ts">
-	import { onMount, tick } from 'svelte';
+	import { onMount } from 'svelte';
 	import { ChevronDown, EyeOff, Loader2, MicOff, Package, Power } from '@lucide/svelte';
 	import * as Tooltip from '$lib/components/ui/tooltip';
-	import * as Popover from '$lib/components/ui/popover';
 	import { cn } from '$lib/components/ui/utils';
 	import {
 		modelsStore,
@@ -17,7 +16,7 @@
 	import { usedModalities, conversationsStore } from '$lib/stores/conversations.svelte';
 	import { ServerModelStatus } from '$lib/enums';
 	import { isRouterMode } from '$lib/stores/server.svelte';
-	import { DialogModelInformation, SearchInput } from '$lib/components/app';
+	import { DialogModelInformation, SearchableDropdownMenu } from '$lib/components/app';
 	import type { ModelOption } from '$lib/types/models';
 
 	interface Props {
@@ -142,7 +141,6 @@
 	});
 
 	let searchTerm = $state('');
-	let searchInputRef = $state<HTMLInputElement | null>(null);
 	let highlightedIndex = $state<number>(-1);
 
 	let filteredOptions: ModelOption[] = $derived(
@@ -179,7 +177,7 @@
 		});
 	});
 
-	// Handle changes to the model selector pop-down or the model dialog, depending on if the server is in
+	// Handle changes to the model selector dropdown or the model dialog, depending on if the server is in
 	// router mode or not.
 	function handleOpenChange(open: boolean) {
 		if (loading || updating) return;
@@ -190,11 +188,6 @@
 				searchTerm = '';
 				highlightedIndex = -1;
 
-				// Focus search input after popover opens
-				tick().then(() => {
-					requestAnimationFrame(() => searchInputRef?.focus());
-				});
-
 				modelsStore.fetchRouterModels().then(() => {
 					modelsStore.fetchModalitiesForLoadedModels();
 				});
@@ -347,178 +340,170 @@
 		{@const selectedOption = getDisplayOption()}
 
 		{#if isRouter}
-			<Popover.Root bind:open={isOpen} onOpenChange={handleOpenChange}>
-				<Popover.Trigger
-					class={cn(
-						`inline-flex cursor-pointer items-center gap-1.5 rounded-sm bg-muted-foreground/10 px-1.5 py-1 text-xs transition hover:text-foreground focus:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-60`,
-						!isCurrentModelInCache()
-							? 'bg-red-400/10 !text-red-400 hover:bg-red-400/20 hover:text-red-400'
-							: forceForegroundText
-								? 'text-foreground'
-								: isHighlightedCurrentModelActive
+			<SearchableDropdownMenu
+				bind:open={isOpen}
+				onOpenChange={handleOpenChange}
+				bind:searchValue={searchTerm}
+				placeholder="Search models..."
+				onSearchKeyDown={handleSearchKeyDown}
+				align="end"
+				contentClass="w-96 max-w-[calc(100vw-2rem)]"
+				listMaxHeight="max-h-[50dvh]"
+				emptyMessage="No models found."
+				isEmpty={filteredOptions.length === 0 && isCurrentModelInCache()}
+				disabled={disabled || updating}
+			>
+				{#snippet trigger()}
+					<button
+						type="button"
+						class={cn(
+							`inline-flex cursor-pointer items-center gap-1.5 rounded-sm bg-muted-foreground/10 px-1.5 py-1 text-xs transition hover:text-foreground focus:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-60`,
+							!isCurrentModelInCache()
+								? 'bg-red-400/10 !text-red-400 hover:bg-red-400/20 hover:text-red-400'
+								: forceForegroundText
 									? 'text-foreground'
-									: 'text-muted-foreground',
-						isOpen ? 'text-foreground' : ''
-					)}
-					style="max-width: min(calc(100cqw - 6.5rem), 32rem)"
-					disabled={disabled || updating}
-				>
-					<Package class="h-3.5 w-3.5" />
+									: isHighlightedCurrentModelActive
+										? 'text-foreground'
+										: 'text-muted-foreground',
+							isOpen ? 'text-foreground' : ''
+						)}
+						style="max-width: min(calc(100cqw - 6.5rem), 24rem)"
+						disabled={disabled || updating}
+					>
+						<Package class="h-3.5 w-3.5" />
 
-					<span class="truncate font-medium">
-						{selectedOption?.model || 'Select model'}
-					</span>
+						<span class="truncate font-medium">
+							{selectedOption?.model || 'Select model'}
+						</span>
 
-					{#if updating}
-						<Loader2 class="h-3 w-3.5 animate-spin" />
-					{:else}
-						<ChevronDown class="h-3 w-3.5" />
+						{#if updating}
+							<Loader2 class="h-3 w-3.5 animate-spin" />
+						{:else}
+							<ChevronDown class="h-3 w-3.5" />
+						{/if}
+					</button>
+				{/snippet}
+
+				<div class="models-list">
+					{#if !isCurrentModelInCache() && currentModel}
+						<!-- Show unavailable model as first option (disabled) -->
+						<button
+							type="button"
+							class="flex w-full cursor-not-allowed items-center bg-red-400/10 p-2 text-left text-sm text-red-400"
+							role="option"
+							aria-selected="true"
+							aria-disabled="true"
+							disabled
+						>
+							<span class="truncate">{selectedOption?.name || currentModel}</span>
+							<span class="ml-2 text-xs whitespace-nowrap opacity-70">(not available)</span>
+						</button>
+						<div class="my-1 h-px bg-border"></div>
 					{/if}
-				</Popover.Trigger>
+					{#if filteredOptions.length === 0}
+						<p class="px-4 py-3 text-sm text-muted-foreground">No models found.</p>
+					{/if}
+					{#each filteredOptions as option, index (option.id)}
+						{@const status = getModelStatus(option.model)}
+						{@const isLoaded = status === ServerModelStatus.LOADED}
+						{@const isLoading = status === ServerModelStatus.LOADING}
+						{@const isSelected = currentModel === option.model || activeId === option.id}
+						{@const isCompatible = isModelCompatible(option)}
+						{@const isHighlighted = index === highlightedIndex}
+						{@const missingModalities = getMissingModalities(option)}
 
-				<Popover.Content
-					class="group/popover-content w-96 max-w-[calc(100vw-2rem)] p-0"
-					align="end"
-					sideOffset={8}
-					collisionPadding={16}
-				>
-					<div class="flex max-h-[50dvh] flex-col overflow-hidden">
 						<div
-							class="order-1 shrink-0 border-b p-4 group-data-[side=top]/popover-content:order-2 group-data-[side=top]/popover-content:border-t group-data-[side=top]/popover-content:border-b-0"
+							class={cn(
+								'group flex w-full items-center gap-2 rounded-sm p-2 text-left text-sm transition focus:outline-none',
+								isCompatible
+									? 'cursor-pointer hover:bg-muted focus:bg-muted'
+									: 'cursor-not-allowed opacity-50',
+								isSelected || isHighlighted
+									? 'bg-accent text-accent-foreground'
+									: isCompatible
+										? 'hover:bg-accent hover:text-accent-foreground'
+										: '',
+								isLoaded ? 'text-popover-foreground' : 'text-muted-foreground'
+							)}
+							role="option"
+							aria-selected={isSelected || isHighlighted}
+							aria-disabled={!isCompatible}
+							tabindex={isCompatible ? 0 : -1}
+							onclick={() => isCompatible && handleSelect(option.id)}
+							onmouseenter={() => (highlightedIndex = index)}
+							onkeydown={(e) => {
+								if (isCompatible && (e.key === 'Enter' || e.key === ' ')) {
+									e.preventDefault();
+									handleSelect(option.id);
+								}
+							}}
 						>
-							<SearchInput
-								id="model-search"
-								placeholder="Search models..."
-								bind:value={searchTerm}
-								bind:ref={searchInputRef}
-								onClose={() => handleOpenChange(false)}
-								onKeyDown={handleSearchKeyDown}
-							/>
-						</div>
-						<div
-							class="models-list order-2 min-h-0 flex-1 overflow-y-auto group-data-[side=top]/popover-content:order-1"
-						>
-							{#if !isCurrentModelInCache() && currentModel}
-								<!-- Show unavailable model as first option (disabled) -->
-								<button
-									type="button"
-									class="flex w-full cursor-not-allowed items-center bg-red-400/10 px-4 py-2 text-left text-sm text-red-400"
-									role="option"
-									aria-selected="true"
-									aria-disabled="true"
-									disabled
-								>
-									<span class="truncate">{selectedOption?.name || currentModel}</span>
-									<span class="ml-2 text-xs whitespace-nowrap opacity-70">(not available)</span>
-								</button>
-								<div class="my-1 h-px bg-border"></div>
-							{/if}
-							{#if filteredOptions.length === 0}
-								<p class="px-4 py-3 text-sm text-muted-foreground">No models found.</p>
-							{/if}
-							{#each filteredOptions as option, index (option.id)}
-								{@const status = getModelStatus(option.model)}
-								{@const isLoaded = status === ServerModelStatus.LOADED}
-								{@const isLoading = status === ServerModelStatus.LOADING}
-								{@const isSelected = currentModel === option.model || activeId === option.id}
-								{@const isCompatible = isModelCompatible(option)}
-								{@const isHighlighted = index === highlightedIndex}
-								{@const missingModalities = getMissingModalities(option)}
+							<span class="min-w-0 flex-1 truncate">{option.model}</span>
 
-								<div
-									class={cn(
-										'group flex w-full items-center gap-2 px-4 py-2 text-left text-sm transition focus:outline-none',
-										isCompatible
-											? 'cursor-pointer hover:bg-muted focus:bg-muted'
-											: 'cursor-not-allowed opacity-50',
-										isSelected || isHighlighted
-											? 'bg-accent text-accent-foreground'
-											: isCompatible
-												? 'hover:bg-accent hover:text-accent-foreground'
-												: '',
-										isLoaded ? 'text-popover-foreground' : 'text-muted-foreground'
-									)}
-									role="option"
-									aria-selected={isSelected || isHighlighted}
-									aria-disabled={!isCompatible}
-									tabindex={isCompatible ? 0 : -1}
-									onclick={() => isCompatible && handleSelect(option.id)}
-									onmouseenter={() => (highlightedIndex = index)}
-									onkeydown={(e) => {
-										if (isCompatible && (e.key === 'Enter' || e.key === ' ')) {
-											e.preventDefault();
-											handleSelect(option.id);
-										}
-									}}
-								>
-									<span class="min-w-0 flex-1 truncate">{option.model}</span>
-
-									{#if missingModalities}
-										<span class="flex shrink-0 items-center gap-1 text-muted-foreground/70">
-											{#if missingModalities.vision}
-												<Tooltip.Root>
-													<Tooltip.Trigger>
-														<EyeOff class="h-3.5 w-3.5" />
-													</Tooltip.Trigger>
-													<Tooltip.Content class="z-[9999]">
-														<p>No vision support</p>
-													</Tooltip.Content>
-												</Tooltip.Root>
-											{/if}
-											{#if missingModalities.audio}
-												<Tooltip.Root>
-													<Tooltip.Trigger>
-														<MicOff class="h-3.5 w-3.5" />
-													</Tooltip.Trigger>
-													<Tooltip.Content class="z-[9999]">
-														<p>No audio support</p>
-													</Tooltip.Content>
-												</Tooltip.Root>
-											{/if}
-										</span>
-									{/if}
-
-									{#if isLoading}
+							{#if missingModalities}
+								<span class="flex shrink-0 items-center gap-1 text-muted-foreground/70">
+									{#if missingModalities.vision}
 										<Tooltip.Root>
 											<Tooltip.Trigger>
-												<Loader2 class="h-4 w-4 shrink-0 animate-spin text-muted-foreground" />
+												<EyeOff class="h-3.5 w-3.5" />
 											</Tooltip.Trigger>
 											<Tooltip.Content class="z-[9999]">
-												<p>Loading model...</p>
+												<p>No vision support</p>
 											</Tooltip.Content>
 										</Tooltip.Root>
-									{:else if isLoaded}
+									{/if}
+									{#if missingModalities.audio}
 										<Tooltip.Root>
 											<Tooltip.Trigger>
-												<button
-													type="button"
-													class="relative ml-2 flex h-4 w-4 shrink-0 items-center justify-center"
-													onclick={(e) => {
-														e.stopPropagation();
-														modelsStore.unloadModel(option.model);
-													}}
-												>
-													<span
-														class="mr-2 h-2 w-2 rounded-full bg-green-500 transition-opacity group-hover:opacity-0"
-													></span>
-													<Power
-														class="absolute mr-2 h-4 w-4 text-red-500 opacity-0 transition-opacity group-hover:opacity-100 hover:text-red-600"
-													/>
-												</button>
+												<MicOff class="h-3.5 w-3.5" />
 											</Tooltip.Trigger>
 											<Tooltip.Content class="z-[9999]">
-												<p>Unload model</p>
+												<p>No audio support</p>
 											</Tooltip.Content>
 										</Tooltip.Root>
-									{:else}
-										<span class="mx-2 h-2 w-2 rounded-full bg-muted-foreground/50"></span>
 									{/if}
-								</div>
-							{/each}
+								</span>
+							{/if}
+
+							{#if isLoading}
+								<Tooltip.Root>
+									<Tooltip.Trigger>
+										<Loader2 class="h-4 w-4 shrink-0 animate-spin text-muted-foreground" />
+									</Tooltip.Trigger>
+									<Tooltip.Content class="z-[9999]">
+										<p>Loading model...</p>
+									</Tooltip.Content>
+								</Tooltip.Root>
+							{:else if isLoaded}
+								<Tooltip.Root>
+									<Tooltip.Trigger>
+										<button
+											type="button"
+											class="relative ml-2 flex h-4 w-4 shrink-0 items-center justify-center"
+											onclick={(e) => {
+												e.stopPropagation();
+												modelsStore.unloadModel(option.model);
+											}}
+										>
+											<span
+												class="mr-2 h-2 w-2 rounded-full bg-green-500 transition-opacity group-hover:opacity-0"
+											></span>
+											<Power
+												class="absolute mr-2 h-4 w-4 text-red-500 opacity-0 transition-opacity group-hover:opacity-100 hover:text-red-600"
+											/>
+										</button>
+									</Tooltip.Trigger>
+									<Tooltip.Content class="z-[9999]">
+										<p>Unload model</p>
+									</Tooltip.Content>
+								</Tooltip.Root>
+							{:else}
+								<span class="mx-2 h-2 w-2 rounded-full bg-muted-foreground/50"></span>
+							{/if}
 						</div>
-					</div>
-				</Popover.Content>
-			</Popover.Root>
+					{/each}
+				</div>
+			</SearchableDropdownMenu>
 		{:else}
 			<button
 				class={cn(
diff --git a/tools/server/webui/src/lib/components/ui/badge/badge.svelte b/tools/server/webui/src/lib/components/ui/badge/badge.svelte
index 4d15145493..c3e6ac0720 100644
--- a/tools/server/webui/src/lib/components/ui/badge/badge.svelte
+++ b/tools/server/webui/src/lib/components/ui/badge/badge.svelte
@@ -42,7 +42,7 @@
 	bind:this={ref}
 	data-slot="badge"
 	{href}
-	class={cn(badgeVariants({ variant }), className)}
+	class={cn(badgeVariants({ variant }), className, 'backdrop-blur-sm')}
 	{...restProps}
 >
 	{@render children?.()}
diff --git a/tools/server/webui/src/lib/components/ui/dropdown-menu/dropdown-menu-content.svelte b/tools/server/webui/src/lib/components/ui/dropdown-menu/dropdown-menu-content.svelte
index 869c38e848..6013ca2661 100644
--- a/tools/server/webui/src/lib/components/ui/dropdown-menu/dropdown-menu-content.svelte
+++ b/tools/server/webui/src/lib/components/ui/dropdown-menu/dropdown-menu-content.svelte
@@ -19,7 +19,7 @@
 		data-slot="dropdown-menu-content"
 		{sideOffset}
 		class={cn(
-			'z-50 max-h-(--bits-dropdown-menu-content-available-height) min-w-[8rem] origin-(--bits-dropdown-menu-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border border-border bg-popover p-1 text-popover-foreground shadow-md outline-none data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95 dark:border-border/20',
+			'z-50 max-h-(--bits-dropdown-menu-content-available-height) min-w-[8rem] origin-(--bits-dropdown-menu-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border border-border bg-popover p-1.5 text-popover-foreground shadow-md outline-none data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95 dark:border-border/20',
 			className
 		)}
 		{...restProps}
diff --git a/tools/server/webui/src/lib/constants/css-classes.ts b/tools/server/webui/src/lib/constants/css-classes.ts
index 8c5f760731..af2c5dd984 100644
--- a/tools/server/webui/src/lib/constants/css-classes.ts
+++ b/tools/server/webui/src/lib/constants/css-classes.ts
@@ -2,8 +2,9 @@ export const BOX_BORDER =
 	'border border-border/30 focus-within:border-border  dark:border-border/20 dark:focus-within:border-border';
 
 export const INPUT_CLASSES = `
-    bg-muted/70 dark:bg-muted/85
-    {BOX_BORDER}
+    bg-muted/50 dark:bg-muted/75
+    ${BOX_BORDER}
+    shadow-sm
     outline-none
     text-foreground
 `;