diff --git a/app/resources/js/components/dashboard/DashboardBalance.vue b/app/resources/js/components/dashboard/DashboardBalance.vue
new file mode 100644
index 00000000..7326632e
--- /dev/null
+++ b/app/resources/js/components/dashboard/DashboardBalance.vue
@@ -0,0 +1,124 @@
+<script setup lang="ts">
+/**
+ * DashboardBalance — карта баланса с runway-bar (segments по дням).
+ * Класс `.runway-fill` сохранён — Vitest тест считает их количество.
+ *
+ * Sprint 4 Phase B/3 — split DashboardView (audit O-refactor-04 закрытие).
+ */
+export interface Balance {
+    amount: string;
+    runwayDays: number;
+    runwayMax: number;
+    runwayLeads: number;
+}
+
+defineProps<{
+    balance: Balance;
+}>();
+</script>
+
+<template>
+    <v-col cols="12" sm="6" md="3">
+        <v-card variant="flat" color="secondary" class="balance-card pa-4">
+            <div class="balance-row1">
+                <span class="balance-label">Баланс</span>
+                <v-chip size="x-small" color="primary" variant="elevated" class="ml-2">LIVE</v-chip>
+            </div>
+            <div class="balance-amount">
+                <span class="num">{{ balance.amount }}</span>
+                <span class="ru">&nbsp;₽</span>
+            </div>
+            <div class="runway mt-3">
+                <div
+                    class="runway-bar"
+                    :aria-label="`Хватит на ${balance.runwayDays} дня из ${balance.runwayMax}`"
+                >
+                    <span
+                        v-for="i in balance.runwayMax"
+                        :key="i"
+                        class="runway-fill"
+                        :class="{ filled: i <= balance.runwayDays }"
+                    />
+                </div>
+                <div class="runway-foot text-caption">
+                    <span
+                        >≈ {{ balance.runwayLeads }} лидов · хватит на
+                        <strong>{{ balance.runwayDays }} дня</strong></span
+                    >
+                    <a href="/billing" class="ml-2 runway-action">пополнить →</a>
+                </div>
+            </div>
+        </v-card>
+    </v-col>
+</template>
+
+<style scoped>
+.balance-card {
+    color: #fff;
+    background: #012019 !important;
+    height: 100%;
+}
+
+.balance-row1 {
+    display: flex;
+    align-items: center;
+}
+.balance-label {
+    font-size: 12px;
+    text-transform: uppercase;
+    letter-spacing: 0.06em;
+    color: #7a8c87;
+    font-family: 'JetBrains Mono', ui-monospace, monospace;
+}
+
+.balance-amount {
+    margin-top: 8px;
+    font-size: 32px;
+    font-weight: 600;
+    line-height: 1.1;
+}
+.balance-amount .num {
+    font-family: 'JetBrains Mono', ui-monospace, monospace;
+    font-feature-settings: 'tnum';
+    color: #fff;
+    letter-spacing: -0.01em;
+}
+.balance-amount .ru {
+    color: #7a8c87;
+    font-weight: 500;
+}
+
+.runway-bar {
+    display: flex;
+    gap: 4px;
+}
+
+.runway-fill {
+    flex: 1;
+    height: 6px;
+    border-radius: 3px;
+    background: rgba(255, 255, 255, 0.08);
+}
+.runway-fill.filled {
+    background: #32c8a9;
+}
+
+.runway-foot {
+    display: flex;
+    justify-content: space-between;
+    margin-top: 6px;
+    color: #7a8c87;
+    font-family: 'JetBrains Mono', ui-monospace, monospace;
+}
+.runway-foot strong {
+    color: #fff;
+    font-weight: 500;
+}
+.runway-action {
+    color: #32c8a9;
+    text-decoration: none;
+}
+.runway-action:hover {
+    color: #fff;
+}
+</style>
diff --git a/app/resources/js/components/dashboard/DashboardKpiRow.vue b/app/resources/js/components/dashboard/DashboardKpiRow.vue
new file mode 100644
index 00000000..b6fbfd3a
--- /dev/null
+++ b/app/resources/js/components/dashboard/DashboardKpiRow.vue
@@ -0,0 +1,97 @@
+<script setup lang="ts">
+/**
+ * DashboardKpiRow — 3 KPI-карты (получено лидов / конверсия / активные проекты).
+ * Numerics через JetBrains Mono с tabular-nums.
+ *
+ * Sprint 4 Phase B/3 — split DashboardView (audit O-refactor-04 закрытие).
+ */
+export interface Kpi {
+    label: string;
+    value: string;
+    unit?: string;
+    delta?: { dir: 'up' | 'down' | 'neutral'; text: string };
+    sub: string;
+}
+
+defineProps<{
+    kpis: Kpi[];
+}>();
+</script>
+
+<template>
+    <v-col v-for="kpi in kpis" :key="kpi.label" cols="12" sm="6" md="3">
+        <v-card variant="outlined" class="kpi-card pa-4">
+            <div class="kpi-label text-body-2 text-medium-emphasis">{{ kpi.label }}</div>
+            <div class="kpi-value">
+                {{ kpi.value }}
+                <span v-if="kpi.unit" class="kpi-unit">{{ kpi.unit }}</span>
+            </div>
+            <div class="kpi-foot text-caption text-medium-emphasis mt-2">
+                <span v-if="kpi.delta?.dir === 'up'" class="delta-up">
+                    <v-icon size="14" color="success">mdi-arrow-up</v-icon>
+                    {{ kpi.delta.text }}
+                </span>
+                <span v-else-if="kpi.delta?.dir === 'down'" class="delta-down">
+                    <v-icon size="14" color="error">mdi-arrow-down</v-icon>
+                    {{ kpi.delta.text }}
+                </span>
+                <span v-else-if="kpi.delta" class="delta-neutral">{{ kpi.delta.text }}</span>
+                <span class="ml-1">{{ kpi.sub }}</span>
+            </div>
+        </v-card>
+    </v-col>
+</template>
+
+<style scoped>
+.kpi-card {
+    background: #fff;
+    border-color: #d9d5cd !important;
+    transition: border-color 0.15s;
+}
+.kpi-card:hover {
+    border-color: #66635c !important;
+}
+
+.kpi-label {
+    font-size: 13px;
+    margin-bottom: 8px;
+}
+
+.kpi-value {
+    font-family: 'JetBrains Mono', ui-monospace, monospace;
+    font-feature-settings: 'tnum';
+    font-size: 32px;
+    font-weight: 600;
+    line-height: 1.1;
+    color: #081319;
+}
+
+.kpi-unit {
+    font-size: 18px;
+    color: #66635c;
+    font-weight: 500;
+    margin-left: 2px;
+}
+
+.kpi-foot {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    flex-wrap: wrap;
+}
+
+.delta-up,
+.delta-down,
+.delta-neutral {
+    display: inline-flex;
+    align-items: center;
+    gap: 2px;
+    font-weight: 500;
+}
+.delta-up {
+    color: #2e8b57;
+}
+.delta-down {
+    color: #b83a3a;
+}
+</style>
diff --git a/app/resources/js/components/dashboard/DashboardPageHead.vue b/app/resources/js/components/dashboard/DashboardPageHead.vue
new file mode 100644
index 00000000..e06cdb3c
--- /dev/null
+++ b/app/resources/js/components/dashboard/DashboardPageHead.vue
@@ -0,0 +1,65 @@
+<script setup lang="ts">
+/**
+ * DashboardPageHead — приветствие + meta-строка (новые лиды / средняя стоимость) +
+ * range-toggle (Сегодня / 7 дней / 30 дней / Период…). Использует Vue 3.5
+ * `defineModel` для двусторонней привязки range.
+ *
+ * Sprint 4 Phase B/3 — split DashboardView (audit O-refactor-04 закрытие).
+ */
+const range = defineModel<'today' | '7d' | '30d' | 'custom'>({ required: true });
+</script>
+
+<template>
+    <header class="page-head">
+        <div>
+            <h1 class="text-h4 mb-2 page-greet">Доброе утро, <em class="text-primary">Иван</em></h1>
+            <div class="page-meta text-body-2 text-medium-emphasis">
+                <span><span class="num text-primary">+3</span> новых лида с утра</span>
+                <span class="sep">·</span>
+                <span>сегодня <span class="num">11</span> · вчера <span class="num">38</span></span>
+                <span class="sep">·</span>
+                <span>средняя стоимость <span class="num">2 248&nbsp;₽</span></span>
+            </div>
+        </div>
+        <v-btn-toggle v-model="range" mandatory color="primary" density="comfortable" variant="outlined">
+            <v-btn value="today" size="small">Сегодня</v-btn>
+            <v-btn value="7d" size="small">7 дней</v-btn>
+            <v-btn value="30d" size="small">30 дней</v-btn>
+            <v-btn value="custom" size="small">Период…</v-btn>
+        </v-btn-toggle>
+    </header>
+</template>
+
+<style scoped>
+.page-head {
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+    flex-wrap: wrap;
+    gap: 16px;
+}
+
+.page-greet {
+    font-variation-settings: 'opsz' 28;
+    letter-spacing: -0.018em;
+}
+.page-greet em {
+    font-style: normal;
+    font-weight: 600;
+}
+
+.page-meta {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 6px;
+    align-items: center;
+}
+.page-meta .sep {
+    color: #92907b;
+}
+.num {
+    font-family: 'JetBrains Mono', ui-monospace, monospace;
+    font-feature-settings: 'tnum';
+    font-weight: 500;
+}
+</style>
diff --git a/app/resources/js/components/errors/ErrorActions.vue b/app/resources/js/components/errors/ErrorActions.vue
new file mode 100644
index 00000000..329e84dd
--- /dev/null
+++ b/app/resources/js/components/errors/ErrorActions.vue
@@ -0,0 +1,55 @@
+<script setup lang="ts">
+/**
+ * ErrorActions — две кнопки (primary + опциональная secondary) для ErrorView.
+ * Принимает action-объекты как props; click на handler делегирует через
+ * вызов action.onClick() (router-link / href обрабатывается Vuetify-биндингами).
+ *
+ * Sprint 4 Phase B/3 — split ErrorView (audit O-refactor-04 закрытие).
+ */
+interface ErrorAction {
+    label: string;
+    icon: string;
+    to?: string;
+    href?: string;
+    onClick?: () => void;
+}
+
+defineProps<{
+    primary: ErrorAction;
+    secondary?: ErrorAction;
+}>();
+</script>
+
+<template>
+    <div class="err-actions">
+        <v-btn
+            color="primary"
+            variant="flat"
+            :prepend-icon="primary.icon"
+            :to="primary.to"
+            @click="primary.onClick?.()"
+        >
+            {{ primary.label }}
+        </v-btn>
+        <v-btn
+            v-if="secondary"
+            variant="outlined"
+            :prepend-icon="secondary.icon"
+            :to="secondary.to"
+            :href="secondary.href"
+            @click="secondary.onClick?.()"
+        >
+            {{ secondary.label }}
+        </v-btn>
+    </div>
+</template>
+
+<style scoped>
+.err-actions {
+    display: flex;
+    gap: 12px;
+    margin-bottom: 24px;
+    flex-wrap: wrap;
+    justify-content: center;
+}
+</style>
diff --git a/app/resources/js/components/errors/ErrorBrand.vue b/app/resources/js/components/errors/ErrorBrand.vue
new file mode 100644
index 00000000..995f22b3
--- /dev/null
+++ b/app/resources/js/components/errors/ErrorBrand.vue
@@ -0,0 +1,54 @@
+<script setup lang="ts">
+/**
+ * ErrorBrand — фирменный блок «Лидерра.» в шапке ErrorView.
+ * Sprint 4 Phase B/3 — split ErrorView (audit O-refactor-04 закрытие).
+ *
+ * Класс `.top-brand` сохранён — Vitest тест selector'ом `.top-brand` рассчитывает на
+ * корневой элемент сабкомпонента.
+ */
+</script>
+
+<template>
+    <a class="top-brand" href="/" aria-label="На главную">
+        <span class="mark" aria-hidden="true">
+            <svg viewBox="0 0 48 48" width="22" height="22">
+                <path
+                    d="M16 14 L16 34 L32 34"
+                    stroke="#fff"
+                    stroke-width="4.5"
+                    stroke-linecap="round"
+                    stroke-linejoin="round"
+                    fill="none"
+                />
+                <circle cx="32" cy="34" r="3.5" fill="#0F6E56" />
+            </svg>
+        </span>
+        <span class="brand-text">Лидерра<span class="dot">.</span></span>
+    </a>
+</template>
+
+<style scoped>
+.top-brand {
+    display: inline-flex;
+    align-items: center;
+    gap: 10px;
+    color: #fff;
+    text-decoration: none;
+    padding: 24px 32px;
+    font-weight: 600;
+    font-size: 16px;
+    letter-spacing: -0.01em;
+}
+.top-brand .mark {
+    width: 24px;
+    height: 24px;
+    border-radius: 5px;
+    background: rgba(255, 255, 255, 0.06);
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+}
+.top-brand .dot {
+    color: #32c8a9;
+}
+</style>
diff --git a/app/resources/js/components/errors/ErrorIllustration.vue b/app/resources/js/components/errors/ErrorIllustration.vue
new file mode 100644
index 00000000..057839fa
--- /dev/null
+++ b/app/resources/js/components/errors/ErrorIllustration.vue
@@ -0,0 +1,31 @@
+<script setup lang="ts">
+/**
+ * ErrorIllustration — большая JetBrains Mono цифра кода ошибки (404 / 403 / 500)
+ * с акцентом teal на средней цифре. Sprint 4 Phase B/3 — split ErrorView
+ * (audit O-refactor-04 закрытие).
+ */
+defineProps<{
+    code: '404' | '403' | '500';
+}>();
+</script>
+
+<template>
+    <h1 class="err-code">
+        {{ code[0] }}<span class="accent">{{ code[1] }}</span>{{ code[2] }}
+    </h1>
+</template>
+
+<style scoped>
+.err-code {
+    font-family: 'JetBrains Mono', ui-monospace, monospace;
+    font-size: 96px;
+    font-weight: 600;
+    line-height: 1;
+    color: #fff;
+    letter-spacing: -0.04em;
+    margin: 0 0 16px;
+}
+.err-code .accent {
+    color: #32c8a9;
+}
+</style>
diff --git a/app/resources/js/components/errors/ErrorMeta.vue b/app/resources/js/components/errors/ErrorMeta.vue
new file mode 100644
index 00000000..e86df66e
--- /dev/null
+++ b/app/resources/js/components/errors/ErrorMeta.vue
@@ -0,0 +1,102 @@
+<script setup lang="ts">
+/**
+ * ErrorMeta — мета-блоки ErrorView: status-list (только для 500),
+ * RequestId/IncidentId с кнопкой копирования, и помощь-mailto (только 404).
+ *
+ * Sprint 4 Phase B/3 — split ErrorView (audit O-refactor-04 закрытие).
+ */
+defineProps<{
+    code: '404' | '403' | '500';
+    showStatusList?: boolean;
+    showRequestId?: boolean;
+    requestIdLabel?: string;
+    requestId?: string;
+}>();
+
+const statusList = [
+    { name: 'API', status: 'ok' },
+    { name: 'Telegram', status: 'degraded' },
+    { name: 'YooKassa', status: 'ok' },
+];
+
+async function copyRequestId(id: string | undefined) {
+    if (id) {
+        await navigator.clipboard.writeText(id);
+    }
+}
+
+function statusColor(s: string): string {
+    return s === 'ok' ? '#2E8B57' : s === 'degraded' ? '#D9A441' : '#B83A3A';
+}
+</script>
+
+<template>
+    <div v-if="showStatusList" class="status-list">
+        <span v-for="s in statusList" :key="s.name" class="status-item">
+            <span class="dot" :style="{ background: statusColor(s.status) }" />
+            {{ s.name }} ·
+            {{ s.status === 'ok' ? 'OK' : s.status === 'degraded' ? 'деградация' : 'недоступен' }}
+        </span>
+    </div>
+
+    <div v-if="showRequestId" class="err-id">
+        <span class="text-caption text-medium-emphasis">{{ requestIdLabel }}</span>
+        <span class="request-id">{{ requestId }}</span>
+        <v-btn
+            icon="mdi-content-copy"
+            variant="text"
+            size="x-small"
+            :aria-label="`Скопировать ID ${requestIdLabel}`"
+            @click="copyRequestId(requestId)"
+        />
+    </div>
+
+    <p v-if="code === '404'" class="err-help text-caption">
+        Что-то не так? Напишите в
+        <a href="mailto:support@liderra.app" class="text-primary">support@liderra.app</a>
+    </p>
+</template>
+
+<style scoped>
+.status-list {
+    display: flex;
+    gap: 16px;
+    margin-bottom: 16px;
+    flex-wrap: wrap;
+    justify-content: center;
+}
+.status-item {
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    font-size: 12px;
+    color: #b1c2bd;
+    font-family: 'JetBrains Mono', ui-monospace, monospace;
+}
+.status-item .dot {
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+}
+
+.err-id {
+    display: inline-flex;
+    align-items: center;
+    gap: 8px;
+    background: rgba(255, 255, 255, 0.05);
+    padding: 6px 10px;
+    border-radius: 6px;
+    margin-bottom: 12px;
+}
+.request-id {
+    font-family: 'JetBrains Mono', ui-monospace, monospace;
+    font-size: 12px;
+    color: #fff;
+    font-weight: 500;
+}
+
+.err-help {
+    color: #7a8c87;
+    margin-top: 16px;
+}
+</style>
diff --git a/app/resources/js/views/DashboardView.vue b/app/resources/js/views/DashboardView.vue
index 39a89a8c..d4e45586 100644
--- a/app/resources/js/views/DashboardView.vue
+++ b/app/resources/js/views/DashboardView.vue
@@ -4,26 +4,28 @@
  *
  * Источник дизайна: liderra_v8_handoff/concepts/v8_dashboard.html.
  * MVP: page-head + 4 KPI-cards (получено лидов / конверсия / активные проекты /
- * баланс). Графики (Активность по дням, Воронка из 14 статусов) и блоки ниже
- * (Top deals, Recent activity) — отдельные коммиты.
+ * баланс). Графики (Активность по дням, Воронка из 14 статусов).
  *
  * Все числа сейчас mock'и — TODO: GET /api/dashboard/summary с tenant-context'ом
  * по middleware SetTenantContext (фаза backend).
+ *
+ * Sprint 4 Phase B/3 — split на DashboardPageHead + DashboardKpiRow +
+ * DashboardBalance (audit O-refactor-04 закрытие). State (range, kpis, balance)
+ * остаётся в parent ради единого mock-data flow и future API-fetch'а.
+ *
+ * Примечание: «recent deals list» в Phase B/3 plan'е — на текущем дашборде нет
+ * (есть только charts row); если будет добавлено в будущем — выносится в
+ * DashboardRecentDeals.vue по аналогии.
  */
 import { ref } from 'vue';
 import ActivityChart from '../components/charts/ActivityChart.vue';
 import FunnelChart from '../components/charts/FunnelChart.vue';
+import DashboardPageHead from '../components/dashboard/DashboardPageHead.vue';
+import DashboardKpiRow, { type Kpi } from '../components/dashboard/DashboardKpiRow.vue';
+import DashboardBalance, { type Balance } from '../components/dashboard/DashboardBalance.vue';
 
 const range = ref<'today' | '7d' | '30d' | 'custom'>('7d');
 
-interface Kpi {
-    label: string;
-    value: string;
-    unit?: string;
-    delta?: { dir: 'up' | 'down' | 'neutral'; text: string };
-    sub: string;
-}
-
 const kpis: Kpi[] = [
     {
         label: 'Получено лидов',
@@ -47,7 +49,7 @@ const kpis: Kpi[] = [
     },
 ];
 
-const balance = {
+const balance: Balance = {
     amount: '14 250',
     runwayDays: 4,
     runwayMax: 7,
@@ -57,80 +59,11 @@ const balance = {
 
 <template>
     <v-container fluid class="dashboard pa-6">
-        <header class="page-head">
-            <div>
-                <h1 class="text-h4 mb-2 page-greet">Доброе утро, <em class="text-primary">Иван</em></h1>
-                <div class="page-meta text-body-2 text-medium-emphasis">
-                    <span><span class="num text-primary">+3</span> новых лида с утра</span>
-                    <span class="sep">·</span>
-                    <span>сегодня <span class="num">11</span> · вчера <span class="num">38</span></span>
-                    <span class="sep">·</span>
-                    <span>средняя стоимость <span class="num">2 248&nbsp;₽</span></span>
-                </div>
-            </div>
-            <v-btn-toggle v-model="range" mandatory color="primary" density="comfortable" variant="outlined">
-                <v-btn value="today" size="small">Сегодня</v-btn>
-                <v-btn value="7d" size="small">7 дней</v-btn>
-                <v-btn value="30d" size="small">30 дней</v-btn>
-                <v-btn value="custom" size="small">Период…</v-btn>
-            </v-btn-toggle>
-        </header>
+        <DashboardPageHead v-model="range" />
 
         <v-row dense class="kpi-row mt-4">
-            <v-col v-for="kpi in kpis" :key="kpi.label" cols="12" sm="6" md="3">
-                <v-card variant="outlined" class="kpi-card pa-4">
-                    <div class="kpi-label text-body-2 text-medium-emphasis">{{ kpi.label }}</div>
-                    <div class="kpi-value">
-                        {{ kpi.value }}
-                        <span v-if="kpi.unit" class="kpi-unit">{{ kpi.unit }}</span>
-                    </div>
-                    <div class="kpi-foot text-caption text-medium-emphasis mt-2">
-                        <span v-if="kpi.delta?.dir === 'up'" class="delta-up">
-                            <v-icon size="14" color="success">mdi-arrow-up</v-icon>
-                            {{ kpi.delta.text }}
-                        </span>
-                        <span v-else-if="kpi.delta?.dir === 'down'" class="delta-down">
-                            <v-icon size="14" color="error">mdi-arrow-down</v-icon>
-                            {{ kpi.delta.text }}
-                        </span>
-                        <span v-else-if="kpi.delta" class="delta-neutral">{{ kpi.delta.text }}</span>
-                        <span class="ml-1">{{ kpi.sub }}</span>
-                    </div>
-                </v-card>
-            </v-col>
-
-            <v-col cols="12" sm="6" md="3">
-                <v-card variant="flat" color="secondary" class="balance-card pa-4">
-                    <div class="balance-row1">
-                        <span class="balance-label">Баланс</span>
-                        <v-chip size="x-small" color="primary" variant="elevated" class="ml-2">LIVE</v-chip>
-                    </div>
-                    <div class="balance-amount">
-                        <span class="num">{{ balance.amount }}</span>
-                        <span class="ru">&nbsp;₽</span>
-                    </div>
-                    <div class="runway mt-3">
-                        <div
-                            class="runway-bar"
-                            :aria-label="`Хватит на ${balance.runwayDays} дня из ${balance.runwayMax}`"
-                        >
-                            <span
-                                v-for="i in balance.runwayMax"
-                                :key="i"
-                                class="runway-fill"
-                                :class="{ filled: i <= balance.runwayDays }"
-                            />
-                        </div>
-                        <div class="runway-foot text-caption">
-                            <span
-                                >≈ {{ balance.runwayLeads }} лидов · хватит на
-                                <strong>{{ balance.runwayDays }} дня</strong></span
-                            >
-                            <a href="/billing" class="ml-2 runway-action">пополнить →</a>
-                        </div>
-                    </div>
-                </v-card>
-            </v-col>
+            <DashboardKpiRow :kpis="kpis" />
+            <DashboardBalance :balance="balance" />
         </v-row>
 
         <v-row class="charts-row mt-4">
@@ -148,155 +81,4 @@ const balance = {
 .dashboard {
     max-width: 1440px;
 }
-
-.page-head {
-    display: flex;
-    align-items: flex-start;
-    justify-content: space-between;
-    flex-wrap: wrap;
-    gap: 16px;
-}
-
-.page-greet {
-    font-variation-settings: 'opsz' 28;
-    letter-spacing: -0.018em;
-}
-.page-greet em {
-    font-style: normal;
-    font-weight: 600;
-}
-
-.page-meta {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 6px;
-    align-items: center;
-}
-.page-meta .sep {
-    color: #92907b;
-}
-.num {
-    font-family: 'JetBrains Mono', ui-monospace, monospace;
-    font-feature-settings: 'tnum';
-    font-weight: 500;
-}
-
-.kpi-card {
-    background: #fff;
-    border-color: #d9d5cd !important;
-    transition: border-color 0.15s;
-}
-.kpi-card:hover {
-    border-color: #66635c !important;
-}
-
-.kpi-label {
-    font-size: 13px;
-    margin-bottom: 8px;
-}
-
-.kpi-value {
-    font-family: 'JetBrains Mono', ui-monospace, monospace;
-    font-feature-settings: 'tnum';
-    font-size: 32px;
-    font-weight: 600;
-    line-height: 1.1;
-    color: #081319;
-}
-
-.kpi-unit {
-    font-size: 18px;
-    color: #66635c;
-    font-weight: 500;
-    margin-left: 2px;
-}
-
-.kpi-foot {
-    display: flex;
-    align-items: center;
-    gap: 4px;
-    flex-wrap: wrap;
-}
-
-.delta-up,
-.delta-down,
-.delta-neutral {
-    display: inline-flex;
-    align-items: center;
-    gap: 2px;
-    font-weight: 500;
-}
-.delta-up {
-    color: #2e8b57;
-}
-.delta-down {
-    color: #b83a3a;
-}
-
-.balance-card {
-    color: #fff;
-    background: #012019 !important;
-    height: 100%;
-}
-
-.balance-row1 {
-    display: flex;
-    align-items: center;
-}
-.balance-label {
-    font-size: 12px;
-    text-transform: uppercase;
-    letter-spacing: 0.06em;
-    color: #7a8c87;
-    font-family: 'JetBrains Mono', ui-monospace, monospace;
-}
-
-.balance-amount {
-    margin-top: 8px;
-    font-size: 32px;
-    font-weight: 600;
-    line-height: 1.1;
-}
-.balance-amount .num {
-    color: #fff;
-    letter-spacing: -0.01em;
-}
-.balance-amount .ru {
-    color: #7a8c87;
-    font-weight: 500;
-}
-
-.runway-bar {
-    display: flex;
-    gap: 4px;
-}
-
-.runway-fill {
-    flex: 1;
-    height: 6px;
-    border-radius: 3px;
-    background: rgba(255, 255, 255, 0.08);
-}
-.runway-fill.filled {
-    background: #32c8a9;
-}
-
-.runway-foot {
-    display: flex;
-    justify-content: space-between;
-    margin-top: 6px;
-    color: #7a8c87;
-    font-family: 'JetBrains Mono', ui-monospace, monospace;
-}
-.runway-foot strong {
-    color: #fff;
-    font-weight: 500;
-}
-.runway-action {
-    color: #32c8a9;
-    text-decoration: none;
-}
-.runway-action:hover {
-    color: #fff;
-}
 </style>
diff --git a/app/resources/js/views/errors/ErrorView.vue b/app/resources/js/views/errors/ErrorView.vue
index ef7a8c62..2d680d74 100644
--- a/app/resources/js/views/errors/ErrorView.vue
+++ b/app/resources/js/views/errors/ErrorView.vue
@@ -8,6 +8,10 @@
  * Layout: meta.layout='error' — AppShell рендерит ErrorView напрямую без
  * AppLayout/AuthLayout (full-bleed теало-нуар bg + центрированный card).
  *
+ * Sprint 4 Phase B/3 — split на ErrorBrand + ErrorIllustration + ErrorActions
+ * + ErrorMeta (audit O-refactor-04 закрытие). State (config, errorCode) — в parent
+ * ради единого route.meta-driven flow.
+ *
  * Не входит в этот коммит:
  * - Реальный requestId/incidentId из backend (сейчас mock).
  * - Status-pills из API /api/health (сейчас static на 500).
@@ -15,13 +19,25 @@
  */
 import { computed } from 'vue';
 import { useRoute, useRouter } from 'vue-router';
+import ErrorBrand from '../../components/errors/ErrorBrand.vue';
+import ErrorIllustration from '../../components/errors/ErrorIllustration.vue';
+import ErrorActions from '../../components/errors/ErrorActions.vue';
+import ErrorMeta from '../../components/errors/ErrorMeta.vue';
+
+interface ErrorAction {
+    label: string;
+    icon: string;
+    to?: string;
+    href?: string;
+    onClick?: () => void;
+}
 
 interface ErrorConfig {
     code: '404' | '403' | '500';
     title: string;
     description: string;
-    primaryAction: { label: string; icon: string; to?: string; onClick?: () => void };
-    secondaryAction?: { label: string; icon: string; to?: string; href?: string; onClick?: () => void };
+    primaryAction: ErrorAction;
+    secondaryAction?: ErrorAction;
     showRequestId?: boolean;
     requestIdLabel?: string;
     requestId?: string;
@@ -97,98 +113,27 @@ const config = computed<ErrorConfig>(() => {
         },
     };
 });
-
-const statusList = [
-    { name: 'API', status: 'ok' },
-    { name: 'Telegram', status: 'degraded' },
-    { name: 'YooKassa', status: 'ok' },
-];
-
-async function copyRequestId() {
-    if (config.value.requestId) {
-        await navigator.clipboard.writeText(config.value.requestId);
-    }
-}
-
-function statusColor(s: string): string {
-    return s === 'ok' ? '#2E8B57' : s === 'degraded' ? '#D9A441' : '#B83A3A';
-}
 </script>
 
 <template>
     <v-app>
         <v-main class="error-main">
-            <a class="top-brand" href="/" aria-label="На главную">
-                <span class="mark" aria-hidden="true">
-                    <svg viewBox="0 0 48 48" width="22" height="22">
-                        <path
-                            d="M16 14 L16 34 L32 34"
-                            stroke="#fff"
-                            stroke-width="4.5"
-                            stroke-linecap="round"
-                            stroke-linejoin="round"
-                            fill="none"
-                        />
-                        <circle cx="32" cy="34" r="3.5" fill="#0F6E56" />
-                    </svg>
-                </span>
-                <span class="brand-text">Лидерра<span class="dot">.</span></span>
-            </a>
+            <ErrorBrand />
 
             <div class="error-content">
-                <h1 class="err-code">
-                    {{ config.code[0] }}<span class="accent">{{ config.code[1] }}</span
-                    >{{ config.code[2] }}
-                </h1>
+                <ErrorIllustration :code="config.code" />
                 <h2 class="err-title">{{ config.title }}</h2>
                 <p class="err-desc">{{ config.description }}</p>
 
-                <div class="err-actions">
-                    <v-btn
-                        color="primary"
-                        variant="flat"
-                        :prepend-icon="config.primaryAction.icon"
-                        :to="config.primaryAction.to"
-                        @click="config.primaryAction.onClick?.()"
-                    >
-                        {{ config.primaryAction.label }}
-                    </v-btn>
-                    <v-btn
-                        v-if="config.secondaryAction"
-                        variant="outlined"
-                        :prepend-icon="config.secondaryAction.icon"
-                        :to="config.secondaryAction.to"
-                        :href="config.secondaryAction.href"
-                        @click="config.secondaryAction.onClick?.()"
-                    >
-                        {{ config.secondaryAction.label }}
-                    </v-btn>
-                </div>
+                <ErrorActions :primary="config.primaryAction" :secondary="config.secondaryAction" />
 
-                <div v-if="config.showStatusList" class="status-list">
-                    <span v-for="s in statusList" :key="s.name" class="status-item">
-                        <span class="dot" :style="{ background: statusColor(s.status) }" />
-                        {{ s.name }} ·
-                        {{ s.status === 'ok' ? 'OK' : s.status === 'degraded' ? 'деградация' : 'недоступен' }}
-                    </span>
-                </div>
-
-                <div v-if="config.showRequestId" class="err-id">
-                    <span class="text-caption text-medium-emphasis">{{ config.requestIdLabel }}</span>
-                    <span class="request-id">{{ config.requestId }}</span>
-                    <v-btn
-                        icon="mdi-content-copy"
-                        variant="text"
-                        size="x-small"
-                        :aria-label="`Скопировать ID ${config.requestIdLabel}`"
-                        @click="copyRequestId"
-                    />
-                </div>
-
-                <p v-if="errorCode === '404'" class="err-help text-caption">
-                    Что-то не так? Напишите в
-                    <a href="mailto:support@liderra.app" class="text-primary">support@liderra.app</a>
-                </p>
+                <ErrorMeta
+                    :code="config.code"
+                    :show-status-list="config.showStatusList"
+                    :show-request-id="config.showRequestId"
+                    :request-id-label="config.requestIdLabel"
+                    :request-id="config.requestId"
+                />
             </div>
         </v-main>
     </v-app>
@@ -203,30 +148,6 @@ function statusColor(s: string): string {
     flex-direction: column;
 }
 
-.top-brand {
-    display: inline-flex;
-    align-items: center;
-    gap: 10px;
-    color: #fff;
-    text-decoration: none;
-    padding: 24px 32px;
-    font-weight: 600;
-    font-size: 16px;
-    letter-spacing: -0.01em;
-}
-.top-brand .mark {
-    width: 24px;
-    height: 24px;
-    border-radius: 5px;
-    background: rgba(255, 255, 255, 0.06);
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-}
-.top-brand .dot {
-    color: #32c8a9;
-}
-
 .error-content {
     flex: 1;
     display: flex;
@@ -239,19 +160,6 @@ function statusColor(s: string): string {
     margin: 0 auto;
 }
 
-.err-code {
-    font-family: 'JetBrains Mono', ui-monospace, monospace;
-    font-size: 96px;
-    font-weight: 600;
-    line-height: 1;
-    color: #fff;
-    letter-spacing: -0.04em;
-    margin: 0 0 16px;
-}
-.err-code .accent {
-    color: #32c8a9;
-}
-
 .err-title {
     font-size: 28px;
     font-weight: 600;
@@ -267,54 +175,4 @@ function statusColor(s: string): string {
     font-size: 15px;
     margin: 0 0 24px;
 }
-
-.err-actions {
-    display: flex;
-    gap: 12px;
-    margin-bottom: 24px;
-    flex-wrap: wrap;
-    justify-content: center;
-}
-
-.status-list {
-    display: flex;
-    gap: 16px;
-    margin-bottom: 16px;
-    flex-wrap: wrap;
-    justify-content: center;
-}
-.status-item {
-    display: inline-flex;
-    align-items: center;
-    gap: 6px;
-    font-size: 12px;
-    color: #b1c2bd;
-    font-family: 'JetBrains Mono', ui-monospace, monospace;
-}
-.status-item .dot {
-    width: 8px;
-    height: 8px;
-    border-radius: 50%;
-}
-
-.err-id {
-    display: inline-flex;
-    align-items: center;
-    gap: 8px;
-    background: rgba(255, 255, 255, 0.05);
-    padding: 6px 10px;
-    border-radius: 6px;
-    margin-bottom: 12px;
-}
-.request-id {
-    font-family: 'JetBrains Mono', ui-monospace, monospace;
-    font-size: 12px;
-    color: #fff;
-    font-weight: 500;
-}
-
-.err-help {
-    color: #7a8c87;
-    margin-top: 16px;
-}
 </style>