diff --git a/web/src/app/home/agents/components/AgentCreateContent.tsx b/web/src/app/home/agents/components/AgentCreateContent.tsx
index aa2c8cd88..8e6371e49 100644
--- a/web/src/app/home/agents/components/AgentCreateContent.tsx
+++ b/web/src/app/home/agents/components/AgentCreateContent.tsx
@@ -113,84 +113,153 @@ export default function AgentCreateContent({
       </div>
 
       <div className="flex-1 overflow-y-auto min-h-0">
-        <div className="mx-auto max-w-5xl space-y-6 pb-6">
-          <div className="grid items-stretch gap-5 lg:grid-cols-[minmax(0,0.82fr)_minmax(0,1.18fr)]">
-            <section
-              aria-labelledby="processor-kind-heading"
-              className="space-y-3"
-            >
-              <div>
-                <h2
-                  id="processor-kind-heading"
-                  className="text-base font-semibold"
-                >
-                  {t('agents.chooseType')}
-                </h2>
-                <p className="mt-1 text-sm text-muted-foreground">
-                  {t('agents.chooseTypeDescription')}
-                </p>
-              </div>
+        <div className="mx-auto max-w-6xl pb-6">
+          <div className="grid items-stretch gap-5 lg:grid-cols-[minmax(340px,0.78fr)_minmax(0,1.22fr)]">
+            <div className="space-y-5">
+              <section
+                aria-labelledby="processor-kind-heading"
+                className="space-y-3"
+              >
+                <div>
+                  <h2
+                    id="processor-kind-heading"
+                    className="text-base font-semibold"
+                  >
+                    {t('agents.chooseType')}
+                  </h2>
+                  <p className="mt-1 text-sm text-muted-foreground">
+                    {t('agents.chooseTypeDescription')}
+                  </p>
+                </div>
 
-              <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-1">
-                {typeOptions.map((option) => {
-                  const Icon = option.icon;
-                  const selected = kind === option.kind;
-                  return (
-                    <Card
-                      key={option.kind}
-                      data-processor-kind={option.kind}
-                      className={cn(
-                        'gap-0 py-0 transition-[border-color,box-shadow,background-color]',
-                        selected
-                          ? 'border-primary bg-primary/[0.035] shadow-sm ring-1 ring-primary/20'
-                          : 'hover:border-primary/50',
-                      )}
-                    >
-                      <CardContent className="h-full p-0">
-                        <Button
-                          type="button"
-                          variant="ghost"
-                          aria-pressed={selected}
-                          onClick={() => handleKindChange(option.kind)}
-                          className="h-full min-h-36 w-full items-start justify-start whitespace-normal rounded-xl p-4 text-left hover:bg-transparent"
-                        >
-                          <span
-                            className={cn(
-                              'flex size-10 shrink-0 items-center justify-center rounded-lg border bg-background',
-                              selected &&
-                                'border-primary/30 bg-primary/10 text-primary',
-                            )}
+                <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-1">
+                  {typeOptions.map((option) => {
+                    const Icon = option.icon;
+                    const selected = kind === option.kind;
+                    return (
+                      <Card
+                        key={option.kind}
+                        data-processor-kind={option.kind}
+                        className={cn(
+                          'gap-0 py-0 transition-[border-color,box-shadow,background-color]',
+                          selected
+                            ? 'border-primary bg-primary/[0.035] shadow-sm ring-1 ring-primary/20'
+                            : 'hover:border-primary/50',
+                        )}
+                      >
+                        <CardContent className="h-full p-0">
+                          <Button
+                            type="button"
+                            variant="ghost"
+                            aria-pressed={selected}
+                            onClick={() => handleKindChange(option.kind)}
+                            className="h-full min-h-32 w-full items-start justify-start whitespace-normal rounded-xl p-4 text-left hover:bg-transparent"
                           >
-                            <Icon className="size-5" />
-                          </span>
-                          <span className="min-w-0 flex-1 space-y-2">
-                            <span className="flex items-center justify-between gap-3">
-                              <span className="font-semibold">
-                                {option.title}
-                              </span>
-                              {selected && (
-                                <CheckCircle2 className="size-4 shrink-0 text-primary" />
+                            <span
+                              className={cn(
+                                'flex size-10 shrink-0 items-center justify-center rounded-lg border bg-background',
+                                selected &&
+                                  'border-primary/30 bg-primary/10 text-primary',
                               )}
-                            </span>
-                            <Badge
-                              variant={selected ? 'default' : 'secondary'}
-                              className="font-normal"
                             >
-                              {option.badge}
-                            </Badge>
-                            <span className="block text-sm leading-relaxed text-muted-foreground">
-                              {option.description}
+                              <Icon className="size-5" />
                             </span>
-                          </span>
-                        </Button>
-                      </CardContent>
-                    </Card>
-                  );
-                })}
-              </div>
-            </section>
+                            <span className="min-w-0 flex-1 space-y-2">
+                              <span className="flex items-center justify-between gap-3">
+                                <span className="font-semibold">
+                                  {option.title}
+                                </span>
+                                {selected && (
+                                  <CheckCircle2 className="size-4 shrink-0 text-primary" />
+                                )}
+                              </span>
+                              <Badge
+                                variant={selected ? 'default' : 'secondary'}
+                                className="font-normal"
+                              >
+                                {option.badge}
+                              </Badge>
+                              <span className="block text-sm leading-relaxed text-muted-foreground">
+                                {option.description}
+                              </span>
+                            </span>
+                          </Button>
+                        </CardContent>
+                      </Card>
+                    );
+                  })}
+                </div>
+              </section>
 
-            <Card className="min-h-[360px] overflow-hidden py-0">
+              <Card>
+                <CardHeader>
+                  <CardTitle>{t('agents.basicInfo')}</CardTitle>
+                  <CardDescription>
+                    {t('agents.basicInfoDescription')}
+                  </CardDescription>
+                </CardHeader>
+                <CardContent>
+                  <Form {...form}>
+                    <form
+                      id="agent-create-form"
+                      onSubmit={form.handleSubmit(handleSubmit)}
+                      className="space-y-4"
+                    >
+                      <div className="flex gap-4 items-start">
+                        <FormField
+                          control={form.control}
+                          name="name"
+                          render={({ field }) => (
+                            <FormItem className="flex-1">
+                              <FormLabel>
+                                {t('common.name')}
+                                <span className="text-destructive">*</span>
+                              </FormLabel>
+                              <FormControl>
+                                <Input {...field} value={field.value ?? ''} />
+                              </FormControl>
+                              <FormMessage />
+                            </FormItem>
+                          )}
+                        />
+                        <FormField
+                          control={form.control}
+                          name="emoji"
+                          render={({ field }) => (
+                            <FormItem>
+                              <FormLabel>{t('common.icon')}</FormLabel>
+                              <FormControl>
+                                <EmojiPicker
+                                  value={field.value}
+                                  onChange={field.onChange}
+                                />
+                              </FormControl>
+                              <FormMessage />
+                            </FormItem>
+                          )}
+                        />
+                      </div>
+
+                      <FormField
+                        control={form.control}
+                        name="description"
+                        render={({ field }) => (
+                          <FormItem>
+                            <FormLabel>{t('common.description')}</FormLabel>
+                            <FormControl>
+                              <Input {...field} value={field.value ?? ''} />
+                            </FormControl>
+                            <FormMessage />
+                          </FormItem>
+                        )}
+                      />
+                    </form>
+                  </Form>
+                </CardContent>
+              </Card>
+            </div>
+
+            <Card className="min-h-[600px] overflow-hidden py-0 lg:min-h-[680px]">
               <CardHeader className="border-b bg-muted/20 py-5">
                 <div className="flex flex-wrap items-center justify-between gap-2">
                   <div>
@@ -210,7 +279,7 @@ export default function AgentCreateContent({
                   </Badge>
                 </div>
               </CardHeader>
-              <CardContent className="flex flex-1 items-center p-4 sm:p-6">
+              <CardContent className="flex flex-1 items-center p-3 sm:p-5">
                 <ProcessorTypeDiagram kind={kind} />
               </CardContent>
               <CardFooter className="border-t bg-muted/20 px-6 py-4 text-sm leading-relaxed text-muted-foreground">
@@ -220,73 +289,6 @@ export default function AgentCreateContent({
               </CardFooter>
             </Card>
           </div>
-
-          <Card>
-            <CardHeader>
-              <CardTitle>{t('agents.basicInfo')}</CardTitle>
-              <CardDescription>
-                {t('agents.basicInfoDescription')}
-              </CardDescription>
-            </CardHeader>
-            <CardContent>
-              <Form {...form}>
-                <form
-                  id="agent-create-form"
-                  onSubmit={form.handleSubmit(handleSubmit)}
-                  className="space-y-4"
-                >
-                  <div className="flex gap-4 items-start">
-                    <FormField
-                      control={form.control}
-                      name="name"
-                      render={({ field }) => (
-                        <FormItem className="flex-1">
-                          <FormLabel>
-                            {t('common.name')}
-                            <span className="text-destructive">*</span>
-                          </FormLabel>
-                          <FormControl>
-                            <Input {...field} value={field.value ?? ''} />
-                          </FormControl>
-                          <FormMessage />
-                        </FormItem>
-                      )}
-                    />
-                    <FormField
-                      control={form.control}
-                      name="emoji"
-                      render={({ field }) => (
-                        <FormItem>
-                          <FormLabel>{t('common.icon')}</FormLabel>
-                          <FormControl>
-                            <EmojiPicker
-                              value={field.value}
-                              onChange={field.onChange}
-                            />
-                          </FormControl>
-                          <FormMessage />
-                        </FormItem>
-                      )}
-                    />
-                  </div>
-
-                  <FormField
-                    control={form.control}
-                    name="description"
-                    render={({ field }) => (
-                      <FormItem>
-                        <FormLabel>{t('common.description')}</FormLabel>
-                        <FormControl>
-                          <Input {...field} value={field.value ?? ''} />
-                        </FormControl>
-                        <FormMessage />
-                      </FormItem>
-                    )}
-                  />
-                </form>
-              </Form>
-            </CardContent>
-          </Card>
         </div>
       </div>
     </div>
diff --git a/web/src/app/home/agents/components/ProcessorTypeDiagram.tsx b/web/src/app/home/agents/components/ProcessorTypeDiagram.tsx
index 7441dd8d1..9830a93f4 100644
--- a/web/src/app/home/agents/components/ProcessorTypeDiagram.tsx
+++ b/web/src/app/home/agents/components/ProcessorTypeDiagram.tsx
@@ -2,29 +2,81 @@ import { useId } from 'react';
 import { useTranslation } from 'react-i18next';
 import type { AgentKind } from '@/app/infra/entities/api';
 
-function DiagramArrow({ id }: { id: string }) {
+type DiagramIds = {
+  accent: string;
+  arrow: string;
+  glow: string;
+  grid: string;
+  surface: string;
+};
+
+function useDiagramIds(prefix: string): DiagramIds {
+  const id = useId().replace(/:/g, '');
+  return {
+    accent: `${prefix}-accent-${id}`,
+    arrow: `${prefix}-arrow-${id}`,
+    glow: `${prefix}-glow-${id}`,
+    grid: `${prefix}-grid-${id}`,
+    surface: `${prefix}-surface-${id}`,
+  };
+}
+
+function DiagramDefinitions({ ids }: { ids: DiagramIds }) {
   return (
-    <marker
-      id={id}
-      markerWidth="8"
-      markerHeight="8"
-      refX="7"
-      refY="4"
-      orient="auto"
-      markerUnits="strokeWidth"
-    >
-      <path d="M0,0 L8,4 L0,8 Z" fill="var(--muted-foreground)" />
-    </marker>
+    <defs>
+      <linearGradient id={ids.surface} x1="0" y1="0" x2="1" y2="1">
+        <stop offset="0" stopColor="var(--primary)" stopOpacity="0.12" />
+        <stop offset="0.48" stopColor="var(--card)" stopOpacity="0.72" />
+        <stop offset="1" stopColor="var(--chart-2)" stopOpacity="0.08" />
+      </linearGradient>
+      <linearGradient id={ids.accent} x1="0" y1="0" x2="1" y2="1">
+        <stop offset="0" stopColor="var(--primary)" />
+        <stop offset="1" stopColor="var(--chart-2)" />
+      </linearGradient>
+      <filter id={ids.glow} x="-80%" y="-80%" width="260%" height="260%">
+        <feGaussianBlur stdDeviation="9" result="blur" />
+        <feComposite in="blur" in2="SourceGraphic" operator="over" />
+      </filter>
+      <pattern
+        id={ids.grid}
+        width="28"
+        height="28"
+        patternUnits="userSpaceOnUse"
+      >
+        <circle cx="1" cy="1" r="1" fill="var(--border)" opacity="0.72" />
+      </pattern>
+      <marker
+        id={ids.arrow}
+        markerWidth="10"
+        markerHeight="10"
+        refX="8"
+        refY="5"
+        orient="auto"
+        markerUnits="strokeWidth"
+      >
+        <path d="M0 0 10 5 0 10Z" fill="var(--primary)" />
+      </marker>
+    </defs>
   );
 }
 
 function AgentDiagram() {
   const { t } = useTranslation();
-  const arrowId = `agent-arrow-${useId().replace(/:/g, '')}`;
+  const ids = useDiagramIds('agent');
+  const events = [
+    { label: t('agents.diagramMessages'), y: 154 },
+    { label: t('agents.diagramMembers'), y: 270 },
+    { label: t('agents.diagramFeedback'), y: 386 },
+  ];
+  const capabilities = [
+    { label: t('agents.diagramModel'), y: 154 },
+    { label: t('agents.diagramTools'), y: 270 },
+    { label: t('agents.diagramActions'), y: 386 },
+  ];
 
   return (
     <svg
-      viewBox="0 0 720 340"
+      viewBox="0 0 760 600"
       role="img"
       aria-label={t('agents.agentDiagramTitle')}
       className="h-auto w-full"
@@ -32,205 +84,258 @@ function AgentDiagram() {
     >
       <title>{t('agents.agentDiagramTitle')}</title>
       <desc>{t('agents.agentDiagramDescription')}</desc>
-      <defs>
-        <linearGradient id="agent-core" x1="0" y1="0" x2="1" y2="1">
-          <stop offset="0" stopColor="var(--primary)" stopOpacity="0.22" />
-          <stop offset="1" stopColor="var(--primary)" stopOpacity="0.06" />
-        </linearGradient>
-        <DiagramArrow id={arrowId} />
-      </defs>
+      <DiagramDefinitions ids={ids} />
 
       <rect
-        x="24"
-        y="42"
-        width="184"
-        height="256"
-        rx="22"
-        fill="var(--muted)"
-        fillOpacity="0.48"
+        x="10"
+        y="16"
+        width="740"
+        height="568"
+        rx="34"
+        fill={`url(#${ids.surface})`}
         stroke="var(--border)"
       />
+      <rect
+        x="10"
+        y="16"
+        width="740"
+        height="568"
+        rx="34"
+        fill={`url(#${ids.grid})`}
+        opacity="0.48"
+      />
+      <circle cx="650" cy="94" r="80" fill="var(--primary)" opacity="0.035" />
+      <circle cx="105" cy="510" r="104" fill="var(--chart-2)" opacity="0.045" />
+
+      <g fill="none" stroke="var(--primary)" strokeWidth="2">
+        {events.map((event) => (
+          <path
+            key={event.label}
+            d={`M226 ${event.y + 30} C286 ${event.y + 30}, 280 300, 323 300`}
+            opacity="0.42"
+          />
+        ))}
+        {capabilities.map((capability) => (
+          <path
+            key={capability.label}
+            d={`M437 300 C480 300, 474 ${capability.y + 30}, 534 ${capability.y + 30}`}
+            opacity="0.42"
+          />
+        ))}
+      </g>
+
       <text
-        x="116"
-        y="76"
-        textAnchor="middle"
-        fill="var(--foreground)"
-        fontSize="16"
+        x="54"
+        y="112"
+        fill="var(--muted-foreground)"
+        fontSize="13"
         fontWeight="600"
+        letterSpacing="1.8"
       >
         {t('agents.diagramEvents')}
       </text>
 
-      {[
-        {
-          y: 98,
-          label: t('agents.diagramMessages'),
-          icon: 'M44 116h12l8 8v-8h28v-24H44z',
-        },
-        {
-          y: 160,
-          label: t('agents.diagramMembers'),
-          icon: 'M51 167a7 7 0 1 0 0-14 7 7 0 0 0 0 14zm-11 14c1-8 6-12 11-12s10 4 11 12m8-22a6 6 0 1 0 0-12m5 28c-1-6-4-9-9-10',
-        },
-        {
-          y: 222,
-          label: t('agents.diagramFeedback'),
-          icon: 'M52 213l4 9 10 1-7 7 2 10-9-5-9 5 2-10-7-7 10-1z',
-        },
-      ].map((item) => (
-        <g key={item.label}>
+      {events.map((event, index) => (
+        <g key={event.label}>
           <rect
-            x="38"
-            y={item.y}
-            width="156"
-            height="48"
-            rx="13"
+            x="46"
+            y={event.y}
+            width="180"
+            height="60"
+            rx="18"
             fill="var(--card)"
             stroke="var(--border)"
           />
+          <circle
+            cx="78"
+            cy={event.y + 30}
+            r="13"
+            fill="var(--primary)"
+            opacity={0.09 + index * 0.045}
+          />
+          {index === 0 && (
+            <path
+              d={`M69 ${event.y + 24}h18v12H76l-5 4v-4h-2z`}
+              fill="none"
+              stroke="var(--primary)"
+              strokeWidth="1.8"
+              strokeLinejoin="round"
+            />
+          )}
+          {index === 1 && (
+            <g fill="none" stroke="var(--primary)" strokeWidth="1.8">
+              <circle cx="75" cy={event.y + 26} r="4" />
+              <circle cx="83" cy={event.y + 29} r="3.5" />
+              <path d={`M68 ${event.y + 40}c1-6 4-9 8-9s7 3 8 9`} />
+            </g>
+          )}
+          {index === 2 && (
+            <path
+              d={`m78 ${event.y + 20} 3 6 7 1-5 5 1 7-6-3-6 3 1-7-5-5 7-1z`}
+              fill="none"
+              stroke="var(--primary)"
+              strokeWidth="1.8"
+              strokeLinejoin="round"
+            />
+          )}
+          <text
+            x="104"
+            y={event.y + 35}
+            fill="var(--foreground)"
+            fontSize="14"
+            fontWeight="600"
+          >
+            {event.label}
+          </text>
+          <circle cx="226" cy={event.y + 30} r="3.5" fill="var(--primary)" />
+        </g>
+      ))}
+
+      <g>
+        <circle
+          cx="380"
+          cy="300"
+          r="122"
+          fill="none"
+          stroke="var(--primary)"
+          strokeDasharray="4 12"
+          opacity="0.22"
+        />
+        <circle
+          cx="380"
+          cy="300"
+          r="96"
+          fill="var(--primary)"
+          opacity="0.08"
+          filter={`url(#${ids.glow})`}
+        />
+        <circle
+          cx="380"
+          cy="300"
+          r="82"
+          fill={`url(#${ids.accent})`}
+          opacity="0.96"
+        />
+        <circle cx="347" cy="193" r="7" fill="var(--chart-2)" />
+        <circle cx="466" cy="329" r="5" fill="var(--primary)" />
+        <circle cx="314" cy="385" r="4" fill="var(--chart-4)" />
+        <rect
+          x="348"
+          y="250"
+          width="64"
+          height="48"
+          rx="16"
+          fill="var(--primary-foreground)"
+          opacity="0.96"
+        />
+        <circle cx="365" cy="273" r="4" fill="var(--primary)" />
+        <circle cx="395" cy="273" r="4" fill="var(--primary)" />
+        <path
+          d="M364 285c8 7 24 7 32 0M380 250v-12m-7 0h14"
+          fill="none"
+          stroke="var(--primary)"
+          strokeWidth="2"
+          strokeLinecap="round"
+        />
+        <text
+          x="380"
+          y="329"
+          textAnchor="middle"
+          fill="var(--primary-foreground)"
+          fontSize="20"
+          fontWeight="750"
+        >
+          {t('agents.agentType')}
+        </text>
+        <text
+          x="380"
+          y="352"
+          textAnchor="middle"
+          fill="var(--primary-foreground)"
+          fontSize="11"
+          opacity="0.82"
+        >
+          {t('agents.diagramDecide')}
+        </text>
+      </g>
+
+      {capabilities.map((capability, index) => (
+        <g key={capability.label}>
+          <circle
+            cx="534"
+            cy={capability.y + 30}
+            r="3.5"
+            fill="var(--primary)"
+          />
+          <rect
+            x="534"
+            y={capability.y}
+            width="180"
+            height="60"
+            rx="18"
+            fill="var(--card)"
+            stroke={index === 1 ? 'var(--primary)' : 'var(--border)'}
+            strokeWidth={index === 1 ? 1.5 : 1}
+          />
+          <circle
+            cx="566"
+            cy={capability.y + 30}
+            r="13"
+            fill="var(--primary)"
+            opacity={index === 1 ? 0.18 : 0.09}
+          />
           <path
-            d={item.icon}
-            transform={`translate(0 ${item.y - 92})`}
+            d={
+              index === 0
+                ? `M560 ${capability.y + 30}h12m-6-6v12`
+                : index === 1
+                  ? `M560 ${capability.y + 35}l12-12m-8 0h8v8`
+                  : `M560 ${capability.y + 30}h12m-4-5 5 5-5 5`
+            }
             fill="none"
             stroke="var(--primary)"
-            strokeWidth="2"
+            strokeWidth="1.8"
             strokeLinecap="round"
             strokeLinejoin="round"
           />
           <text
-            x="120"
-            y={item.y + 30}
-            textAnchor="middle"
+            x="592"
+            y={capability.y + 35}
             fill="var(--foreground)"
             fontSize="14"
-            fontWeight="500"
+            fontWeight="600"
           >
-            {item.label}
+            {capability.label}
           </text>
         </g>
       ))}
 
       <path
-        d="M208 170H270"
-        fill="none"
-        stroke="var(--muted-foreground)"
-        strokeWidth="2"
-        markerEnd={`url(#${arrowId})`}
-      />
-
-      <rect
-        x="284"
-        y="82"
-        width="164"
-        height="176"
-        rx="30"
-        fill="url(#agent-core)"
-        stroke="var(--primary)"
-        strokeWidth="2"
-      />
-      <rect
-        x="331"
-        y="112"
-        width="70"
-        height="54"
-        rx="16"
-        fill="var(--card)"
-        stroke="var(--primary)"
-        strokeWidth="2"
-      />
-      <circle cx="350" cy="139" r="5" fill="var(--primary)" />
-      <circle cx="382" cy="139" r="5" fill="var(--primary)" />
-      <path
-        d="M350 153c8 7 24 7 32 0M366 112V99m-8 0h16"
+        d="M704 494c-88 46-246 63-388 31"
         fill="none"
         stroke="var(--primary)"
-        strokeWidth="2"
-        strokeLinecap="round"
+        strokeWidth="1.5"
+        strokeDasharray="2 8"
+        opacity="0.24"
+        markerEnd={`url(#${ids.arrow})`}
       />
-      <text
-        x="366"
-        y="202"
-        textAnchor="middle"
-        fill="var(--foreground)"
-        fontSize="18"
-        fontWeight="700"
-      >
-        {t('agents.agentType')}
-      </text>
-      <text
-        x="366"
-        y="228"
-        textAnchor="middle"
-        fill="var(--muted-foreground)"
-        fontSize="13"
-      >
-        {t('agents.diagramDecide')}
-      </text>
-
-      <path
-        d="M448 170H506"
-        fill="none"
-        stroke="var(--muted-foreground)"
-        strokeWidth="2"
-        markerEnd={`url(#${arrowId})`}
-      />
-      {[
-        { y: 70, label: t('agents.diagramModel') },
-        { y: 145, label: t('agents.diagramTools') },
-        { y: 220, label: t('agents.diagramActions') },
-      ].map((item, index) => (
-        <g key={item.label}>
-          <path
-            d={`M476 170 C500 170 492 ${item.y + 26} 516 ${item.y + 26}`}
-            fill="none"
-            stroke="var(--border)"
-            strokeWidth="2"
-          />
-          <rect
-            x="516"
-            y={item.y}
-            width="176"
-            height="52"
-            rx="15"
-            fill="var(--card)"
-            stroke={index === 1 ? 'var(--primary)' : 'var(--border)'}
-          />
-          <circle
-            cx="544"
-            cy={item.y + 26}
-            r="10"
-            fill="var(--primary)"
-            fillOpacity={index === 1 ? 0.22 : 0.1}
-          />
-          <text
-            x="608"
-            y={item.y + 31}
-            textAnchor="middle"
-            fill="var(--foreground)"
-            fontSize="14"
-            fontWeight="500"
-          >
-            {item.label}
-          </text>
-        </g>
-      ))}
     </svg>
   );
 }
 
 function PipelineDiagram() {
   const { t } = useTranslation();
-  const arrowId = `pipeline-arrow-${useId().replace(/:/g, '')}`;
-  const stages = [
-    t('agents.diagramPreprocess'),
-    t('agents.diagramAI'),
-    t('agents.diagramPostprocess'),
-    t('agents.diagramOutput'),
+  const ids = useDiagramIds('pipeline');
+  const stations = [
+    { x: 198, y: 312, label: t('agents.diagramPreprocess') },
+    { x: 338, y: 242, label: t('agents.diagramAI') },
+    { x: 478, y: 312, label: t('agents.diagramPostprocess') },
+    { x: 618, y: 242, label: t('agents.diagramOutput') },
   ];
 
   return (
     <svg
-      viewBox="0 0 720 340"
+      viewBox="0 0 760 600"
       role="img"
       aria-label={t('agents.pipelineDiagramTitle')}
       className="h-auto w-full"
@@ -238,123 +343,168 @@ function PipelineDiagram() {
     >
       <title>{t('agents.pipelineDiagramTitle')}</title>
       <desc>{t('agents.pipelineDiagramDescription')}</desc>
-      <defs>
-        <linearGradient id="pipeline-flow" x1="0" y1="0" x2="1" y2="0">
-          <stop offset="0" stopColor="var(--primary)" stopOpacity="0.06" />
-          <stop offset="0.5" stopColor="var(--primary)" stopOpacity="0.18" />
-          <stop offset="1" stopColor="var(--primary)" stopOpacity="0.06" />
-        </linearGradient>
-        <DiagramArrow id={arrowId} />
-      </defs>
+      <DiagramDefinitions ids={ids} />
 
       <rect
-        x="24"
-        y="65"
-        width="672"
-        height="210"
-        rx="28"
-        fill="url(#pipeline-flow)"
+        x="10"
+        y="16"
+        width="740"
+        height="568"
+        rx="34"
+        fill={`url(#${ids.surface})`}
         stroke="var(--border)"
       />
+      <rect
+        x="10"
+        y="16"
+        width="740"
+        height="568"
+        rx="34"
+        fill={`url(#${ids.grid})`}
+        opacity="0.48"
+      />
+      <circle cx="640" cy="110" r="112" fill="var(--chart-2)" opacity="0.045" />
+      <circle cx="105" cy="500" r="96" fill="var(--primary)" opacity="0.045" />
+
       <text
-        x="360"
-        y="104"
+        x="380"
+        y="105"
         textAnchor="middle"
         fill="var(--muted-foreground)"
-        fontSize="14"
-        fontWeight="500"
+        fontSize="13"
+        fontWeight="600"
+        letterSpacing="1.5"
       >
         {t('agents.pipelineDiagramFlow')}
       </text>
 
-      <rect
-        x="40"
-        y="137"
-        width="104"
-        height="68"
-        rx="18"
-        fill="var(--card)"
-        stroke="var(--border)"
-      />
       <path
-        d="M63 156h38v25H76l-9 8v-8h-4z"
+        d="M72 360 C128 360 146 312 198 312 S286 242 338 242 S426 312 478 312 S566 242 618 242 S674 286 704 286"
         fill="none"
         stroke="var(--primary)"
-        strokeWidth="2"
-        strokeLinejoin="round"
+        strokeWidth="28"
+        strokeLinecap="round"
+        opacity="0.06"
       />
-      <text
-        x="92"
-        y="228"
-        textAnchor="middle"
-        fill="var(--foreground)"
-        fontSize="13"
-        fontWeight="500"
-      >
-        {t('agents.diagramMessage')}
-      </text>
-
       <path
-        d="M144 171H168"
+        d="M72 360 C128 360 146 312 198 312 S286 242 338 242 S426 312 478 312 S566 242 618 242 S674 286 704 286"
         fill="none"
-        stroke="var(--muted-foreground)"
-        strokeWidth="2"
-        markerEnd={`url(#${arrowId})`}
+        stroke={`url(#${ids.accent})`}
+        strokeWidth="3"
+        strokeLinecap="round"
+        markerEnd={`url(#${ids.arrow})`}
+      />
+      <path
+        d="M92 405 C180 486 314 478 380 430 S548 388 678 430"
+        fill="none"
+        stroke="var(--chart-2)"
+        strokeWidth="1.5"
+        strokeDasharray="3 10"
+        opacity="0.22"
       />
 
-      {stages.map((stage, index) => {
-        const x = 178 + index * 128;
-        return (
-          <g key={stage}>
-            <rect
-              x={x}
-              y="127"
-              width="104"
-              height="88"
-              rx="18"
-              fill="var(--card)"
-              stroke={index === 1 ? 'var(--primary)' : 'var(--border)'}
-              strokeWidth={index === 1 ? 2 : 1}
-            />
+      <g>
+        <circle
+          cx="72"
+          cy="360"
+          r="42"
+          fill="var(--card)"
+          stroke="var(--border)"
+        />
+        <path
+          d="M54 348h36v24H67l-9 8v-8h-4z"
+          fill="none"
+          stroke="var(--primary)"
+          strokeWidth="2.5"
+          strokeLinejoin="round"
+        />
+        <text
+          x="72"
+          y="424"
+          textAnchor="middle"
+          fill="var(--foreground)"
+          fontSize="13"
+          fontWeight="600"
+        >
+          {t('agents.diagramMessage')}
+        </text>
+      </g>
+
+      {stations.map((station, index) => (
+        <g key={station.label}>
+          <circle
+            cx={station.x}
+            cy={station.y}
+            r={index === 1 ? 58 : 50}
+            fill="var(--primary)"
+            opacity={index === 1 ? 0.12 : 0.07}
+            filter={index === 1 ? `url(#${ids.glow})` : undefined}
+          />
+          <circle
+            cx={station.x}
+            cy={station.y}
+            r={index === 1 ? 45 : 39}
+            fill={index === 1 ? `url(#${ids.accent})` : 'var(--card)'}
+            stroke={index === 1 ? 'var(--primary)' : 'var(--border)'}
+            strokeWidth={index === 1 ? 2 : 1}
+          />
+          <text
+            x={station.x}
+            y={station.y + 6}
+            textAnchor="middle"
+            fill={index === 1 ? 'var(--primary-foreground)' : 'var(--primary)'}
+            fontSize="17"
+            fontWeight="750"
+          >
+            {index + 1}
+          </text>
+          <rect
+            x={station.x - 61}
+            y={station.y + (index % 2 === 0 ? 66 : -91)}
+            width="122"
+            height="38"
+            rx="14"
+            fill="var(--card)"
+            stroke="var(--border)"
+          />
+          <text
+            x={station.x}
+            y={station.y + (index % 2 === 0 ? 90 : -67)}
+            textAnchor="middle"
+            fill="var(--foreground)"
+            fontSize="13"
+            fontWeight="600"
+          >
+            {station.label}
+          </text>
+        </g>
+      ))}
+
+      <g opacity="0.7">
+        <circle cx="704" cy="286" r="12" fill="var(--primary)" opacity="0.14" />
+        <circle cx="704" cy="286" r="4" fill="var(--primary)" />
+      </g>
+
+      <g transform="translate(178 494)">
+        {[0, 1, 2, 3].map((step) => (
+          <g key={step} transform={`translate(${step * 106} 0)`}>
             <circle
-              cx={x + 52}
-              cy="154"
-              r="14"
-              fill="var(--primary)"
-              fillOpacity={index === 1 ? 0.22 : 0.1}
+              cx="0"
+              cy="0"
+              r="5"
+              fill={step === 1 ? 'var(--primary)' : 'var(--border)'}
             />
-            <text
-              x={x + 52}
-              y="159"
-              textAnchor="middle"
-              fill="var(--primary)"
-              fontSize="13"
-              fontWeight="700"
-            >
-              {index + 1}
-            </text>
-            <text
-              x={x + 52}
-              y="190"
-              textAnchor="middle"
-              fill="var(--foreground)"
-              fontSize="13"
-              fontWeight="600"
-            >
-              {stage}
-            </text>
-            {index < stages.length - 1 && (
+            {step < 3 && (
               <path
-                d={`M${x + 104} 171H${x + 122}`}
-                fill="none"
-                stroke="var(--muted-foreground)"
+                d="M10 0h86"
+                stroke="var(--border)"
                 strokeWidth="2"
-                markerEnd={`url(#${arrowId})`}
+                strokeLinecap="round"
               />
             )}
           </g>
-        );
-      })}
+        ))}
+      </g>
     </svg>
   );
 }