diff --git a/src/navigation/menus/saas.menu.js b/src/navigation/menus/saas.menu.js
index 8debc7f..ee78274 100644
--- a/src/navigation/menus/saas.menu.js
+++ b/src/navigation/menus/saas.menu.js
@@ -64,6 +64,7 @@ export default function saasMenu(sessionCtx, opts = {}) {
                 { label: 'Clínicas (Tenants)', icon: 'pi pi-fw pi-users', to: '/saas/tenants' },
                 { label: 'Recursos por Clínica', icon: 'pi pi-fw pi-key', to: '/saas/tenant-features' },
                 { label: 'Segurança / Bots', icon: 'pi pi-fw pi-shield', to: '/saas/security' },
+                { label: 'Config / Bloqueios', icon: 'pi pi-fw pi-cog', to: '/saas/app-config' },
                 { label: 'Feriados', icon: 'pi pi-fw pi-star', to: '/saas/feriados' },
                 { label: 'Suporte Técnico', icon: 'pi pi-fw pi-headphones', to: '/saas/support' }
             ]
diff --git a/src/router/routes.saas.js b/src/router/routes.saas.js
index dda064f..c251ae4 100644
--- a/src/router/routes.saas.js
+++ b/src/router/routes.saas.js
@@ -172,6 +172,12 @@ export default {
             name: 'saas-usuarios',
             component: () => import('@/views/pages/saas/SaasUsuariosPage.vue'),
             meta: { requiresAuth: true, saasAdmin: true }
+        },
+        {
+            path: 'app-config',
+            name: 'saas-app-config',
+            component: () => import('@/views/pages/saas/SaasAppConfigPage.vue'),
+            meta: { requiresAuth: true, saasAdmin: true }
         }
     ]
 };
diff --git a/src/views/pages/saas/SaasAppConfigPage.vue b/src/views/pages/saas/SaasAppConfigPage.vue
new file mode 100644
index 0000000..eb51df7
--- /dev/null
+++ b/src/views/pages/saas/SaasAppConfigPage.vue
@@ -0,0 +1,152 @@
+<!--
+|--------------------------------------------------------------------------
+| Agência PSI — SaasAppConfigPage (Freemium F3c/F3a)
+|--------------------------------------------------------------------------
+| Configurações globais do SaaS (dev-only):
+|   • root_redirect: pra onde o visitante não-logado vai na raiz "/".
+|   • Blacklist de e-mails (bloqueia cadastro; suporta '@dominio.com') e slugs.
+| RLS garante que só saas_admin lê/escreve (tabelas saas_app_config / blacklist).
+|--------------------------------------------------------------------------
+-->
+<script setup>
+import { onMounted, ref } from 'vue';
+import { supabase } from '@/lib/supabase/client';
+import { useToast } from 'primevue/usetoast';
+
+import SelectButton from 'primevue/selectbutton';
+import DataTable from 'primevue/datatable';
+import Column from 'primevue/column';
+import InputText from 'primevue/inputtext';
+import Button from 'primevue/button';
+import Tag from 'primevue/tag';
+
+const toast = useToast();
+
+// ── root_redirect ──────────────────────────────────────────
+const rootRedirect = ref('landing');
+const savingRedirect = ref(false);
+const redirectOptions = [
+    { label: 'Landing (/lp)', value: 'landing' },
+    { label: 'Login', value: 'login' }
+];
+
+async function loadRootRedirect() {
+    const { data } = await supabase.from('saas_app_config').select('root_redirect').eq('id', true).maybeSingle();
+    rootRedirect.value = data?.root_redirect || 'landing';
+}
+
+async function saveRootRedirect(v) {
+    savingRedirect.value = true;
+    try {
+        const { error } = await supabase.from('saas_app_config').update({ root_redirect: v, updated_at: new Date().toISOString() }).eq('id', true);
+        if (error) throw error;
+        toast.add({ severity: 'success', summary: 'Salvo', detail: 'Destino da raiz atualizado.', life: 2500 });
+    } catch (e) {
+        toast.add({ severity: 'error', summary: 'Erro', detail: e?.message || 'Falha ao salvar.', life: 4500 });
+        await loadRootRedirect();
+    } finally {
+        savingRedirect.value = false;
+    }
+}
+
+// ── blacklist ──────────────────────────────────────────────
+const blacklist = ref([]);
+const loadingBl = ref(false);
+const newKind = ref('email');
+const newValue = ref('');
+const newNote = ref('');
+const kindOptions = [
+    { label: 'E-mail', value: 'email' },
+    { label: 'Slug', value: 'slug' }
+];
+
+async function loadBlacklist() {
+    loadingBl.value = true;
+    try {
+        const { data, error } = await supabase.from('blacklist').select('*').order('created_at', { ascending: false });
+        if (error) throw error;
+        blacklist.value = Array.isArray(data) ? data : [];
+    } catch (e) {
+        toast.add({ severity: 'error', summary: 'Erro', detail: e?.message || 'Falha ao carregar.', life: 4500 });
+    } finally {
+        loadingBl.value = false;
+    }
+}
+
+async function addEntry() {
+    const value = String(newValue.value || '').trim().toLowerCase();
+    if (!value) {
+        toast.add({ severity: 'warn', summary: 'Valor', detail: 'Informe o e-mail/domínio ou slug.', life: 3000 });
+        return;
+    }
+    try {
+        const { error } = await supabase.from('blacklist').insert({ kind: newKind.value, value, note: newNote.value?.trim() || null });
+        if (error) throw error;
+        newValue.value = '';
+        newNote.value = '';
+        await loadBlacklist();
+        toast.add({ severity: 'success', summary: 'Adicionado', life: 2000 });
+    } catch (e) {
+        toast.add({ severity: 'error', summary: 'Erro', detail: e?.message || 'Falha ao adicionar.', life: 4500 });
+    }
+}
+
+async function removeEntry(row) {
+    try {
+        const { error } = await supabase.from('blacklist').delete().eq('id', row.id);
+        if (error) throw error;
+        await loadBlacklist();
+    } catch (e) {
+        toast.add({ severity: 'error', summary: 'Erro', detail: e?.message || 'Falha ao remover.', life: 4500 });
+    }
+}
+
+onMounted(() => {
+    loadRootRedirect();
+    loadBlacklist();
+});
+</script>
+
+<template>
+    <div class="p-4 space-y-6">
+        <div>
+            <h1 class="text-2xl font-semibold">Configurações do SaaS</h1>
+            <p class="text-sm text-[var(--text-color-secondary)]">Destino da raiz pública e listas de bloqueio.</p>
+        </div>
+
+        <!-- root_redirect -->
+        <div class="rounded-2xl border border-[var(--surface-border)] bg-[var(--surface-card)] p-5">
+            <h2 class="font-semibold mb-1">Raiz pública "/"</h2>
+            <p class="text-sm text-[var(--text-color-secondary)] mb-3">Pra onde o visitante não-logado vai ao abrir a raiz do site.</p>
+            <SelectButton v-model="rootRedirect" :options="redirectOptions" optionLabel="label" optionValue="value" :allowEmpty="false" :disabled="savingRedirect" @change="saveRootRedirect(rootRedirect)" />
+        </div>
+
+        <!-- blacklist -->
+        <div class="rounded-2xl border border-[var(--surface-border)] bg-[var(--surface-card)] p-5">
+            <h2 class="font-semibold mb-1">Lista de bloqueio</h2>
+            <p class="text-sm text-[var(--text-color-secondary)] mb-3">E-mails bloqueiam o cadastro de verdade (use <code>@dominio.com</code> pra um domínio inteiro). Slugs ficam indisponíveis na criação.</p>
+
+            <div class="flex flex-wrap items-end gap-2 mb-4">
+                <SelectButton v-model="newKind" :options="kindOptions" optionLabel="label" optionValue="value" :allowEmpty="false" />
+                <InputText v-model="newValue" :placeholder="newKind === 'email' ? 'spam@x.com ou @dominio.com' : 'slug_proibido'" class="w-64" @keydown.enter.prevent="addEntry" />
+                <InputText v-model="newNote" placeholder="nota (opcional)" class="w-48" @keydown.enter.prevent="addEntry" />
+                <Button label="Adicionar" icon="pi pi-plus" @click="addEntry" />
+            </div>
+
+            <DataTable :value="blacklist" :loading="loadingBl" paginator :rows="10" dataKey="id" size="small" stripedRows>
+                <Column field="kind" header="Tipo">
+                    <template #body="{ data }"><Tag :severity="data.kind === 'email' ? 'warning' : 'info'" :value="data.kind" /></template>
+                </Column>
+                <Column field="value" header="Valor" />
+                <Column field="note" header="Nota">
+                    <template #body="{ data }">{{ data.note || '—' }}</template>
+                </Column>
+                <Column header="" :style="{ width: '4rem' }">
+                    <template #body="{ data }">
+                        <Button icon="pi pi-trash" severity="danger" text rounded @click="removeEntry(data)" />
+                    </template>
+                </Column>
+            </DataTable>
+        </div>
+    </div>
+</template>