diff --git a/web/src/components/ui/ConfirmDialog.vue b/web/src/components/ui/ConfirmDialog.vue
new file mode 100644
index 0000000..d876779
--- /dev/null
+++ b/web/src/components/ui/ConfirmDialog.vue
@@ -0,0 +1,97 @@
+<template>
+  <AlertDialogRoot :open="open" @update:open="emit('update:open', $event)">
+    <AlertDialogPortal>
+      <AlertDialogOverlay
+        class="fixed inset-0 z-50 bg-black/60 backdrop-blur-sm data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0"
+      />
+      <AlertDialogContent
+        class="fixed left-1/2 top-1/2 z-50 w-full max-w-md -translate-x-1/2 -translate-y-1/2 rounded-2xl border border-border bg-background p-6 shadow-xl data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95"
+      >
+        <!-- Alert icon -->
+        <div class="mb-4 flex flex-col items-center gap-3 text-center">
+          <div class="flex h-10 w-10 items-center justify-center rounded-full border border-border">
+            <CircleAlert class="h-5 w-5 text-muted-foreground" />
+          </div>
+          <AlertDialogTitle class="text-lg font-semibold tracking-tight">{{ title }}</AlertDialogTitle>
+          <AlertDialogDescription class="text-sm text-muted-foreground">{{ description }}</AlertDialogDescription>
+        </div>
+
+        <!-- Optional type-to-confirm input -->
+        <div v-if="confirmText" class="mb-4">
+          <label class="mb-1.5 block text-sm text-muted-foreground">
+            Type <span class="font-mono text-foreground">{{ confirmText }}</span> to confirm
+          </label>
+          <Input v-model="typedText" :placeholder="confirmText" class="w-full" />
+        </div>
+
+        <!-- Buttons -->
+        <div class="flex gap-2">
+          <AlertDialogCancel as-child>
+            <Button variant="outline" class="flex-1" @click="handleCancel">{{ cancelLabel }}</Button>
+          </AlertDialogCancel>
+          <AlertDialogAction as-child>
+            <Button
+              :variant="variant === 'destructive' ? 'destructive' : 'default'"
+              class="flex-1"
+              :disabled="confirmText ? typedText !== confirmText : false"
+              @click="handleConfirm"
+            >
+              {{ confirmLabel }}
+            </Button>
+          </AlertDialogAction>
+        </div>
+      </AlertDialogContent>
+    </AlertDialogPortal>
+  </AlertDialogRoot>
+</template>
+
+<script setup lang="ts">
+import { ref } from 'vue'
+import {
+  AlertDialogRoot,
+  AlertDialogPortal,
+  AlertDialogOverlay,
+  AlertDialogContent,
+  AlertDialogTitle,
+  AlertDialogDescription,
+  AlertDialogCancel,
+  AlertDialogAction,
+} from 'radix-vue'
+import { CircleAlert } from 'lucide-vue-next'
+import Button from './Button.vue'
+import Input from './Input.vue'
+
+const props = withDefaults(defineProps<{
+  open: boolean
+  title: string
+  description: string
+  confirmLabel?: string
+  cancelLabel?: string
+  variant?: 'destructive' | 'default'
+  confirmText?: string
+}>(), {
+  confirmLabel: 'Confirm',
+  cancelLabel: 'Cancel',
+  variant: 'destructive'
+})
+
+const emit = defineEmits<{
+  'update:open': [value: boolean]
+  confirm: []
+  cancel: []
+}>()
+
+const typedText = ref('')
+
+function handleConfirm() {
+  emit('confirm')
+  emit('update:open', false)
+  typedText.value = ''
+}
+
+function handleCancel() {
+  emit('cancel')
+  emit('update:open', false)
+  typedText.value = ''
+}
+</script>
diff --git a/web/src/components/ui/EmptyState.vue b/web/src/components/ui/EmptyState.vue
new file mode 100644
index 0000000..1944a52
--- /dev/null
+++ b/web/src/components/ui/EmptyState.vue
@@ -0,0 +1,101 @@
+<template>
+  <div
+    :class="cn(
+      'group flex flex-col items-center justify-center text-center',
+      'rounded-xl border-2 border-dashed border-border bg-card',
+      'transition-all duration-300 hover:border-foreground/30',
+      sizeClasses[size]
+    )"
+    role="status"
+    :aria-label="title"
+  >
+    <!-- Multi-icon row (up to 3) -->
+    <div v-if="icons && icons.length" class="relative mb-6 flex items-end justify-center gap-2">
+      <div
+        v-for="(Icon, idx) in icons.slice(0, 3)"
+        :key="idx"
+        :class="cn(
+          'flex items-center justify-center rounded-xl border border-border bg-background shadow-sm',
+          'text-muted-foreground transition-all duration-300',
+          iconSizeClasses[size],
+          iconPositionClasses[idx] ?? 'z-20'
+        )"
+      >
+        <component :is="Icon" class="h-5 w-5" />
+      </div>
+    </div>
+
+    <!-- Text -->
+    <div class="space-y-2">
+      <h3 :class="cn('font-semibold text-foreground', titleSizeClasses[size])">{{ title }}</h3>
+      <p v-if="description" :class="cn('text-muted-foreground', descSizeClasses[size])">{{ description }}</p>
+    </div>
+
+    <!-- Action -->
+    <Button
+      v-if="actionLabel"
+      variant="outline"
+      :class="cn('mt-6', actionSizeClasses[size])"
+      @click="emit('action')"
+    >
+      <component v-if="actionIcon" :is="actionIcon" class="mr-2 h-4 w-4 transition-transform duration-200 group-hover/btn:rotate-90" />
+      {{ actionLabel }}
+    </Button>
+  </div>
+</template>
+
+<script setup lang="ts">
+import type { Component } from 'vue'
+import { cn } from '@/lib/utils'
+import Button from './Button.vue'
+
+const props = withDefaults(defineProps<{
+  title: string
+  description?: string
+  icons?: Component[]
+  actionLabel?: string
+  actionIcon?: Component
+  size?: 'sm' | 'default' | 'lg'
+}>(), {
+  size: 'default'
+})
+
+const emit = defineEmits<{ action: [] }>()
+
+const sizeClasses: Record<NonNullable<typeof props.size>, string> = {
+  sm: 'p-6',
+  default: 'p-8',
+  lg: 'p-12'
+}
+
+const iconSizeClasses: Record<NonNullable<typeof props.size>, string> = {
+  sm: 'h-9 w-9',
+  default: 'h-11 w-11',
+  lg: 'h-14 w-14'
+}
+
+// 3-icon layout: left (rotated -6deg, lower z), center (z-20), right (rotated +6deg, lower z)
+const iconPositionClasses: string[] = [
+  'z-10 translate-y-1 -rotate-6 group-hover:-translate-x-3 group-hover:-translate-y-1 group-hover:-rotate-12',
+  'z-20 group-hover:-translate-y-3',
+  'z-10 translate-y-1 rotate-6 group-hover:translate-x-3 group-hover:-translate-y-1 group-hover:rotate-12'
+]
+
+const titleSizeClasses: Record<NonNullable<typeof props.size>, string> = {
+  sm: 'text-sm',
+  default: 'text-base',
+  lg: 'text-lg'
+}
+
+const descSizeClasses: Record<NonNullable<typeof props.size>, string> = {
+  sm: 'text-xs',
+  default: 'text-sm',
+  lg: 'text-base'
+}
+
+const actionSizeClasses: Record<NonNullable<typeof props.size>, string> = {
+  sm: 'h-7 text-xs px-3',
+  default: '',
+  lg: 'h-11 text-base px-6'
+}
+</script>