diff --git a/app/Http/Controllers/AccountInstallmentController.php b/app/Http/Controllers/AccountInstallmentController.php
new file mode 100644
index 0000000..7d85fd8
--- /dev/null
+++ b/app/Http/Controllers/AccountInstallmentController.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Requests\StoreInstallmentRequest;
+use App\Models\Account;
+use App\Models\Activity;
+use App\Models\Booking;
+use App\Models\Installment;
+use App\Models\InstallmentSetting;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\RedirectResponse;
+
+class AccountInstallmentController extends Controller
+{
+    public function list(Account $account): JsonResponse
+    {
+        $installments = Installment::query()
+            ->where('account_id', $account->id)
+            ->orderByDesc('installment_at')
+            ->get(['id', 'amount', 'balance_before', 'currency', 'reference', 'installment_at', 'created_at'])
+            ->map(function (Installment $i) {
+                return [
+                    'id' => $i->id,
+                    'amount' => (float) $i->amount,
+                    'balance_before' => (float) ($i->balance_before ?? 0),
+                    'currency' => $i->currency,
+                    'reference' => $i->reference,
+                    'installment_at' => optional($i->installment_at)?->toDateString(),
+                    'created_at' => optional($i->created_at)?->toDateTimeString(),
+                ];
+            });
+
+        return response()->json([
+            'account' => [
+                'id' => $account->id,
+                'balance_amount' => $account->balance_amount,
+            ],
+            'installments' => $installments,
+        ]);
+    }
+
+    public function store(StoreInstallmentRequest $request, Account $account): RedirectResponse
+    {
+        $validated = $request->validated();
+
+        $amountCents = (int) round(((float) $validated['amount']) * 100);
+
+        $settings = InstallmentSetting::query()->first();
+        $defaultCurrency = strtoupper($settings->default_currency ?? 'EUR');
+
+        $installment = Installment::query()->create([
+            'account_id' => $account->id,
+            'balance_before' => (float) ($account->balance_amount ?? 0),
+            'amount' => (float) $validated['amount'],
+            'currency' => strtoupper($validated['currency'] ?? $defaultCurrency),
+            'reference' => $validated['reference'] ?? null,
+            'installment_at' => $validated['installment_at'] ?? now(),
+            'meta' => $validated['meta'] ?? null,
+            'created_by' => $request->user()?->id,
+        ]);
+
+        // Debit booking — increases the account balance
+        Booking::query()->create([
+            'account_id' => $account->id,
+            'payment_id' => null,
+            'amount_cents' => $amountCents,
+            'type' => 'debit',
+            'description' => $installment->reference ? ('Obremenitev '.$installment->reference) : 'Obremenitev',
+            'booked_at' => $installment->installment_at ?? now(),
+        ]);
+
+        if ($settings && ($settings->create_activity_on_installment ?? false)) {
+            $note = $settings->activity_note_template ?? 'Dodan obrok';
+            $note = str_replace(['{amount}', '{currency}'], [number_format($amountCents / 100, 2, ',', '.'), $installment->currency], $note);
+
+            $account->refresh();
+            $beforeStr = number_format((float) ($installment->balance_before ?? 0), 2, ',', '.').' '.$installment->currency;
+            $afterStr = number_format((float) ($account->balance_amount ?? 0), 2, ',', '.').' '.$installment->currency;
+            $note .= " (Stanje pred: {$beforeStr}, Stanje po: {$afterStr}; Izvor: obrok)";
+
+            $account->loadMissing('contract');
+            $clientCaseId = $account->contract?->client_case_id;
+            if ($clientCaseId) {
+                $activity = Activity::query()->create([
+                    'due_date' => null,
+                    'amount' => $amountCents / 100,
+                    'note' => $note,
+                    'action_id' => $settings->default_action_id,
+                    'decision_id' => $settings->default_decision_id,
+                    'client_case_id' => $clientCaseId,
+                    'contract_id' => $account->contract_id,
+                ]);
+                $installment->update(['activity_id' => $activity->id]);
+            }
+        }
+
+        return back()->with('success', 'Installment created.');
+    }
+
+    public function destroy(Account $account, Installment $installment): RedirectResponse|JsonResponse
+    {
+        if ($installment->account_id !== $account->id) {
+            abort(404);
+        }
+
+        // Delete related debit booking(s) to revert balance via model events
+        Booking::query()
+            ->where('account_id', $account->id)
+            ->where('type', 'debit')
+            ->whereDate('booked_at', optional($installment->installment_at)?->toDateString())
+            ->where('amount_cents', (int) round(((float) $installment->amount) * 100))
+            ->whereNull('payment_id')
+            ->get()
+            ->each->delete();
+
+        if ($installment->activity_id) {
+            $activity = Activity::query()->find($installment->activity_id);
+            if ($activity) {
+                $activity->delete();
+            }
+        }
+
+        $installment->delete();
+
+        if (request()->wantsJson()) {
+            return response()->json(['success' => true]);
+        }
+
+        return back()->with('success', 'Installment deleted.');
+    }
+}
diff --git a/app/Http/Controllers/InstallmentSettingController.php b/app/Http/Controllers/InstallmentSettingController.php
new file mode 100644
index 0000000..efaa5a2
--- /dev/null
+++ b/app/Http/Controllers/InstallmentSettingController.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Requests\UpdateInstallmentSettingRequest;
+use App\Models\Action;
+use App\Models\Decision;
+use App\Models\InstallmentSetting;
+use Illuminate\Http\RedirectResponse;
+use Inertia\Inertia;
+use Inertia\Response;
+
+class InstallmentSettingController extends Controller
+{
+    public function edit(): Response
+    {
+        $setting = InstallmentSetting::query()->first();
+        if (! $setting) {
+            $setting = InstallmentSetting::query()->create([
+                'default_currency' => 'EUR',
+                'create_activity_on_installment' => false,
+                'default_decision_id' => null,
+                'default_action_id' => null,
+                'activity_note_template' => 'Dodan obrok: {amount} {currency}',
+            ]);
+        }
+
+        $decisions = Decision::query()->orderBy('name')->get(['id', 'name']);
+        $actions = Action::query()
+            ->with(['decisions:id'])
+            ->orderBy('name')
+            ->get()
+            ->map(function (Action $a) {
+                return [
+                    'id' => $a->id,
+                    'name' => $a->name,
+                    'decision_ids' => $a->decisions->pluck('id')->values(),
+                ];
+            });
+
+        return Inertia::render('Settings/Installments/Index', [
+            'setting' => [
+                'id' => $setting->id,
+                'default_currency' => $setting->default_currency,
+                'create_activity_on_installment' => (bool) $setting->create_activity_on_installment,
+                'default_decision_id' => $setting->default_decision_id,
+                'default_action_id' => $setting->default_action_id,
+                'activity_note_template' => $setting->activity_note_template,
+            ],
+            'decisions' => $decisions,
+            'actions' => $actions,
+        ]);
+    }
+
+    public function update(UpdateInstallmentSettingRequest $request): RedirectResponse
+    {
+        $data = $request->validated();
+        $setting = InstallmentSetting::query()->firstOrFail();
+
+        $data['create_activity_on_installment'] = (bool) ($data['create_activity_on_installment'] ?? false);
+
+        $setting->update($data);
+
+        return back()->with('success', 'Nastavitve shranjene.');
+    }
+}
diff --git a/app/Http/Middleware/HandleInertiaRequests.php b/app/Http/Middleware/HandleInertiaRequests.php
index 78e2dac..e121332 100644
--- a/app/Http/Middleware/HandleInertiaRequests.php
+++ b/app/Http/Middleware/HandleInertiaRequests.php
@@ -59,6 +59,15 @@ public function share(Request $request): array
                 'info' => fn () => $request->session()->get('info'),
                 'method' => fn () => $request->session()->get('flash_method'), // HTTP method for toast styling
             ],
+            'callLaterCount' => function () use ($request) {
+                if (! $request->user()) {
+                    return 0;
+                }
+
+                return \App\Models\CallLater::query()
+                    ->whereNull('completed_at')
+                    ->count();
+            },
             'notifications' => function () use ($request) {
                 try {
                     $user = $request->user();
diff --git a/app/Http/Requests/StoreInstallmentRequest.php b/app/Http/Requests/StoreInstallmentRequest.php
new file mode 100644
index 0000000..71482a1
--- /dev/null
+++ b/app/Http/Requests/StoreInstallmentRequest.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreInstallmentRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'amount' => ['required', 'numeric', 'min:0.01'],
+            'currency' => ['nullable', 'string', 'size:3'],
+            'reference' => ['nullable', 'string', 'max:100'],
+            'installment_at' => ['nullable', 'date'],
+            'meta' => ['nullable', 'array'],
+        ];
+    }
+}
diff --git a/app/Http/Requests/UpdateInstallmentSettingRequest.php b/app/Http/Requests/UpdateInstallmentSettingRequest.php
new file mode 100644
index 0000000..71d169a
--- /dev/null
+++ b/app/Http/Requests/UpdateInstallmentSettingRequest.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateInstallmentSettingRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'default_currency' => ['required', 'string', 'size:3'],
+            'create_activity_on_installment' => ['sometimes', 'boolean'],
+            'default_decision_id' => ['nullable', 'integer', 'exists:decisions,id'],
+            'default_action_id' => ['nullable', 'integer', 'exists:actions,id'],
+            'activity_note_template' => ['nullable', 'string', 'max:255'],
+        ];
+    }
+}
diff --git a/app/Models/Account.php b/app/Models/Account.php
index 31f542e..a2fe94d 100644
--- a/app/Models/Account.php
+++ b/app/Models/Account.php
@@ -10,9 +10,10 @@
 
 class Account extends Model
 {
+    use HasFactory;
+
     /** @use HasFactory<\Database\Factories\Person/AccountFactory> */
     use SoftDeletes;
-    use HasFactory;
 
     protected $fillable = [
         'reference',
@@ -58,6 +59,11 @@ public function payments(): HasMany
         return $this->hasMany(\App\Models\Payment::class);
     }
 
+    public function installments(): HasMany
+    {
+        return $this->hasMany(\App\Models\Installment::class);
+    }
+
     public function bookings(): HasMany
     {
         return $this->hasMany(\App\Models\Booking::class);
diff --git a/app/Models/Installment.php b/app/Models/Installment.php
new file mode 100644
index 0000000..35a491e
--- /dev/null
+++ b/app/Models/Installment.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Installment extends Model
+{
+    use HasFactory;
+    use SoftDeletes;
+
+    protected $fillable = [
+        'account_id',
+        'amount',
+        'balance_before',
+        'currency',
+        'reference',
+        'installment_at',
+        'meta',
+        'created_by',
+        'activity_id',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'installment_at' => 'datetime',
+            'meta' => 'array',
+            'amount' => 'decimal:4',
+            'balance_before' => 'decimal:4',
+        ];
+    }
+
+    public function account(): BelongsTo
+    {
+        return $this->belongsTo(Account::class);
+    }
+
+    public function activity(): BelongsTo
+    {
+        return $this->belongsTo(Activity::class);
+    }
+}
diff --git a/app/Models/InstallmentSetting.php b/app/Models/InstallmentSetting.php
new file mode 100644
index 0000000..f75a932
--- /dev/null
+++ b/app/Models/InstallmentSetting.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class InstallmentSetting extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'default_currency',
+        'create_activity_on_installment',
+        'default_decision_id',
+        'default_action_id',
+        'activity_note_template',
+    ];
+}
diff --git a/database/migrations/2026_03_11_100000_create_installments_table.php b/database/migrations/2026_03_11_100000_create_installments_table.php
new file mode 100644
index 0000000..50a6b3f
--- /dev/null
+++ b/database/migrations/2026_03_11_100000_create_installments_table.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('installments', function (Blueprint $table): void {
+            $table->id();
+            $table->foreignId('account_id')->constrained('accounts')->cascadeOnDelete();
+            $table->decimal('amount', 20, 4);
+            $table->decimal('balance_before', 20, 4)->nullable();
+            $table->string('currency', 3)->default('EUR');
+            $table->string('reference', 100)->nullable();
+            $table->timestamp('installment_at')->nullable();
+            $table->json('meta')->nullable();
+            $table->foreignId('created_by')->nullable()->constrained('users')->nullOnDelete();
+            $table->foreignId('activity_id')->nullable()->constrained('activities')->nullOnDelete();
+            $table->softDeletes();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('installments');
+    }
+};
diff --git a/database/migrations/2026_03_11_100001_create_installment_settings_table.php b/database/migrations/2026_03_11_100001_create_installment_settings_table.php
new file mode 100644
index 0000000..b2638ea
--- /dev/null
+++ b/database/migrations/2026_03_11_100001_create_installment_settings_table.php
@@ -0,0 +1,26 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('installment_settings', function (Blueprint $table): void {
+            $table->id();
+            $table->string('default_currency', 3)->default('EUR');
+            $table->boolean('create_activity_on_installment')->default(false);
+            $table->foreignId('default_decision_id')->nullable()->constrained('decisions')->nullOnDelete();
+            $table->foreignId('default_action_id')->nullable()->constrained('actions')->nullOnDelete();
+            $table->string('activity_note_template', 255)->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('installment_settings');
+    }
+};
diff --git a/resources/js/Layouts/AppLayout.vue b/resources/js/Layouts/AppLayout.vue
index ee6212a..34a281a 100644
--- a/resources/js/Layouts/AppLayout.vue
+++ b/resources/js/Layouts/AppLayout.vue
@@ -28,6 +28,7 @@ import { SmartphoneIcon } from "lucide-vue-next";
 import { TabletSmartphoneIcon } from "lucide-vue-next";
 import { PhoneCallIcon } from "lucide-vue-next";
 import { PackageIcon } from "lucide-vue-next";
+import { Badge } from "@/Components/ui/badge";
 
 const props = defineProps({
   title: String,
@@ -284,6 +285,14 @@ function isActive(patterns) {
     return false;
   }
 }
+
+function getBadge(item) {
+  if (item.key === "call-laters") {
+    return page.props.callLaterCount || 0;
+  }
+
+  return 0;
+}
 </script>
 
 <template>
@@ -357,11 +366,18 @@ function isActive(patterns) {
                     <!-- Title -->
                     <span
                       v-if="!sidebarCollapsed"
-                      class="truncate transition-opacity"
+                      class="flex-1 truncate transition-opacity"
                       :class="{ 'font-medium': isActive(item.active) }"
                     >
                       {{ item.title }}
                     </span>
+                    <Badge
+                      v-if="!sidebarCollapsed && getBadge(item) > 0"
+                      variant="destructive"
+                      class="ml-auto shrink-0 px-1.5 py-0.5 text-xs font-mono text-amber-50"
+                    >
+                      {{ getBadge(item) }}
+                    </Badge>
                   </Link>
                 </li>
               </ul>
diff --git a/resources/js/Pages/Cases/Partials/ContractTable.vue b/resources/js/Pages/Cases/Partials/ContractTable.vue
index 7a22b3a..7713809 100644
--- a/resources/js/Pages/Cases/Partials/ContractTable.vue
+++ b/resources/js/Pages/Cases/Partials/ContractTable.vue
@@ -15,6 +15,8 @@ import CaseObjectCreateDialog from "./CaseObjectCreateDialog.vue";
 import CaseObjectsDialog from "./CaseObjectsDialog.vue";
 import PaymentDialog from "./PaymentDialog.vue";
 import ViewPaymentsDialog from "./ViewPaymentsDialog.vue";
+import InstallmentDialog from "./InstallmentDialog.vue";
+import ViewInstallmentsDialog from "./ViewInstallmentsDialog.vue";
 import ContractMetaEditDialog from "./ContractMetaEditDialog.vue";
 import CreateDialog from "@/Components/Dialogs/CreateDialog.vue";
 import ConfirmationDialog from "@/Components/Dialogs/ConfirmationDialog.vue";
@@ -31,6 +33,7 @@ import {
   faSpinner,
   faTags,
   faFolderOpen,
+  faArrowUp,
 } from "@fortawesome/free-solid-svg-icons";
 import EmptyState from "@/Components/EmptyState.vue";
 import { Button } from "@/Components/ui/button";
@@ -444,6 +447,52 @@ const closePaymentsDialog = () => {
   selectedContract.value = null;
 };
 
+// Installments
+const showInstallmentDialog = ref(false);
+const installmentContract = ref(null);
+const installmentForm = useForm({
+  amount: null,
+  currency: "EUR",
+  installment_at: null,
+  reference: "",
+});
+
+const openInstallmentDialog = (c) => {
+  installmentContract.value = c;
+  installmentForm.reset();
+  installmentForm.installment_at = todayStr.value;
+  showInstallmentDialog.value = true;
+};
+
+const closeInstallmentDialog = () => {
+  showInstallmentDialog.value = false;
+  installmentContract.value = null;
+};
+
+const submitInstallment = () => {
+  if (!installmentContract.value?.account?.id) return;
+  const accountId = installmentContract.value.account.id;
+  installmentForm.post(route("accounts.installments.store", { account: accountId }), {
+    preserveScroll: true,
+    onSuccess: () => {
+      closeInstallmentDialog();
+      router.reload({ only: ["contracts", "activities"] });
+    },
+  });
+};
+
+const showInstallmentsDialog = ref(false);
+
+const openInstallmentsDialog = (c) => {
+  selectedContract.value = c;
+  showInstallmentsDialog.value = true;
+};
+
+const closeInstallmentsDialog = () => {
+  showInstallmentsDialog.value = false;
+  selectedContract.value = null;
+};
+
 // Meta edit dialog
 const showMetaEditDialog = ref(false);
 
@@ -832,6 +881,26 @@ const availableSegmentsCount = computed(() => {
                 @click="openPaymentDialog(row)"
               />
 
+              <div class="my-1 border-t border-gray-100" />
+
+              <!-- Installments -->
+              <div
+                class="px-3 pt-2 pb-1 text-[11px] uppercase tracking-wide text-gray-400"
+              >
+                Obroki
+              </div>
+              <ActionMenuItem
+                :icon="faCircleInfo"
+                label="Pokaži obroke"
+                @click="openInstallmentsDialog(row)"
+              />
+              <ActionMenuItem
+                v-if="row.active && row?.account"
+                :icon="faArrowUp"
+                label="Dodaj obrok"
+                @click="openInstallmentDialog(row)"
+              />
+
               <!-- Archive -->
               <template v-if="edit">
                 <div class="my-1 border-t border-gray-100" />
@@ -937,6 +1006,20 @@ const availableSegmentsCount = computed(() => {
       :edit="edit"
     />
 
+    <InstallmentDialog
+      :show="showInstallmentDialog"
+      :form="installmentForm"
+      @close="closeInstallmentDialog"
+      @submit="submitInstallment"
+    />
+
+    <ViewInstallmentsDialog
+      :show="showInstallmentsDialog"
+      :contract="selectedContract"
+      @close="closeInstallmentsDialog"
+      :edit="edit"
+    />
+
     <ContractMetaEditDialog
       :show="showMetaEditDialog"
       :client_case="client_case"
diff --git a/resources/js/Pages/Cases/Partials/InstallmentDialog.vue b/resources/js/Pages/Cases/Partials/InstallmentDialog.vue
new file mode 100644
index 0000000..28d5d6c
--- /dev/null
+++ b/resources/js/Pages/Cases/Partials/InstallmentDialog.vue
@@ -0,0 +1,82 @@
+<script setup>
+import CreateDialog from "@/Components/Dialogs/CreateDialog.vue";
+import CurrencyInput from "@/Components/CurrencyInput.vue";
+import { Label } from "@/Components/ui/label";
+import { Input } from "@/Components/ui/input";
+import DatePicker from "@/Components/DatePicker.vue";
+
+const props = defineProps({
+  show: { type: Boolean, default: false },
+  form: { type: Object, required: true },
+});
+
+const emit = defineEmits(["close", "submit"]);
+
+const onClose = () => emit("close");
+const onSubmit = () => emit("submit");
+</script>
+
+<template>
+  <CreateDialog
+    :show="show"
+    title="Dodaj obrok"
+    confirm-text="Shrani"
+    :processing="form.processing"
+    @close="onClose"
+    @confirm="onSubmit"
+  >
+    <div class="space-y-4">
+      <div class="space-y-2">
+        <Label for="installmentAmount">Znesek</Label>
+        <CurrencyInput
+          id="installmentAmount"
+          v-model="form.amount"
+          :precision="{ min: 0, max: 2 }"
+          placeholder="0,00"
+          class="w-full"
+        />
+        <p v-if="form.errors?.amount" class="text-sm text-red-600">
+          {{ form.errors.amount }}
+        </p>
+      </div>
+
+      <div class="grid grid-cols-2 gap-4">
+        <div class="space-y-2">
+          <Label for="installmentCurrency">Valuta</Label>
+          <Input
+            id="installmentCurrency"
+            type="text"
+            v-model="form.currency"
+            maxlength="3"
+            placeholder="EUR"
+          />
+          <p v-if="form.errors?.currency" class="text-sm text-red-600">
+            {{ form.errors.currency }}
+          </p>
+        </div>
+        <div class="space-y-2">
+          <Label for="installmentDate">Datum</Label>
+          <DatePicker
+            id="installmentDate"
+            v-model="form.installment_at"
+            format="dd.MM.yyyy"
+            :error="form.errors?.installment_at"
+          />
+        </div>
+      </div>
+
+      <div class="space-y-2">
+        <Label for="installmentReference">Sklic</Label>
+        <Input
+          id="installmentReference"
+          type="text"
+          v-model="form.reference"
+          placeholder="Sklic"
+        />
+        <p v-if="form.errors?.reference" class="text-sm text-red-600">
+          {{ form.errors.reference }}
+        </p>
+      </div>
+    </div>
+  </CreateDialog>
+</template>
diff --git a/resources/js/Pages/Cases/Partials/ViewInstallmentsDialog.vue b/resources/js/Pages/Cases/Partials/ViewInstallmentsDialog.vue
new file mode 100644
index 0000000..0dc5f05
--- /dev/null
+++ b/resources/js/Pages/Cases/Partials/ViewInstallmentsDialog.vue
@@ -0,0 +1,160 @@
+<script setup>
+import DialogModal from "@/Components/DialogModal.vue";
+import { ref, watch, computed } from "vue";
+import { router } from "@inertiajs/vue3";
+import axios from "axios";
+
+const props = defineProps({
+  show: { type: Boolean, default: false },
+  contract: { type: Object, default: null },
+  edit: { type: Boolean, default: true },
+});
+
+const emit = defineEmits(["close"]);
+
+const installments = ref([]);
+const loading = ref(false);
+
+const contractRef = computed(() => props.contract?.reference || "—");
+const accountId = computed(() => props.contract?.account?.id || null);
+
+function formatDate(d) {
+  if (!d) return "-";
+  const dt = new Date(d);
+  return isNaN(dt.getTime()) ? "-" : dt.toLocaleDateString("de");
+}
+
+async function loadInstallments() {
+  if (!accountId.value) {
+    installments.value = [];
+    return;
+  }
+  loading.value = true;
+  try {
+    const { data } = await axios.get(
+      route("accounts.installments.list", { account: accountId.value })
+    );
+    installments.value = data.installments || [];
+  } finally {
+    loading.value = false;
+  }
+}
+
+function close() {
+  emit("close");
+  installments.value = [];
+}
+
+function deleteInstallment(installmentId) {
+  if (!accountId.value) return;
+  router.delete(
+    route("accounts.installments.destroy", {
+      account: accountId.value,
+      installment: installmentId,
+    }),
+    {
+      preserveScroll: true,
+      preserveState: true,
+      only: ["contracts", "activities"],
+      onSuccess: async () => {
+        await loadInstallments();
+      },
+      onError: async () => {
+        await loadInstallments();
+      },
+    }
+  );
+}
+
+watch(
+  () => props.show,
+  async (visible) => {
+    if (visible) {
+      await loadInstallments();
+    }
+  }
+);
+watch(
+  () => props.contract?.account?.id,
+  async () => {
+    if (props.show) {
+      await loadInstallments();
+    }
+  }
+);
+</script>
+
+<template>
+  <DialogModal :show="show" @close="close">
+    <template #title>
+      Obroki za pogodbo <span class="text-gray-600">{{ contractRef }}</span>
+    </template>
+    <template #content>
+      <div>
+        <div v-if="loading" class="text-sm text-gray-500">Nalaganje…</div>
+        <template v-else>
+          <div v-if="installments.length === 0" class="text-sm text-gray-500">Ni obrokov.</div>
+          <div v-else class="divide-y divide-gray-100 border rounded">
+            <div
+              v-for="i in installments"
+              :key="i.id"
+              class="px-3 py-2 flex items-center justify-between"
+            >
+              <div>
+                <div class="text-sm text-gray-800">
+                  {{
+                    Intl.NumberFormat("de-DE", {
+                      style: "currency",
+                      currency: i.currency || "EUR",
+                    }).format(i.amount ?? 0)
+                  }}
+                </div>
+                <div class="text-xs text-gray-500">
+                  <span>{{ formatDate(i.installment_at) }}</span>
+                  <span v-if="i.reference" class="ml-2">Sklic: {{ i.reference }}</span>
+                  <span v-if="i.balance_before !== undefined" class="ml-2">
+                    Stanje pred:
+                    {{
+                      Intl.NumberFormat("de-DE", {
+                        style: "currency",
+                        currency: i.currency || "EUR",
+                      }).format(i.balance_before ?? 0)
+                    }}
+                  </span>
+                </div>
+              </div>
+              <div class="flex items-center gap-2" v-if="edit">
+                <button
+                  type="button"
+                  class="inline-flex items-center gap-1 px-2 py-1 rounded text-red-700 hover:bg-red-50"
+                  @click="deleteInstallment(i.id)"
+                  title="Izbriši obrok"
+                >
+                  <span class="text-sm">Briši</span>
+                </button>
+              </div>
+            </div>
+          </div>
+        </template>
+      </div>
+    </template>
+    <template #footer>
+      <div class="flex justify-end gap-2 w-full">
+        <button
+          type="button"
+          class="px-3 py-2 rounded bg-gray-200 hover:bg-gray-300"
+          @click="loadInstallments"
+        >
+          Osveži
+        </button>
+        <button
+          type="button"
+          class="px-3 py-2 rounded bg-indigo-600 text-white hover:bg-indigo-700"
+          @click="close"
+        >
+          Zapri
+        </button>
+      </div>
+    </template>
+  </DialogModal>
+</template>
diff --git a/resources/js/Pages/Settings/Index.vue b/resources/js/Pages/Settings/Index.vue
index 8321f25..449fde8 100644
--- a/resources/js/Pages/Settings/Index.vue
+++ b/resources/js/Pages/Settings/Index.vue
@@ -12,6 +12,7 @@ import {
   Archive,
   ArrowRight,
   BarChart3,
+  CalendarDays,
 } from "lucide-vue-next";
 
 const settingsCards = [
@@ -27,6 +28,12 @@ const settingsCards = [
     route: "settings.payment.edit",
     icon: CreditCard,
   },
+  {
+    title: "Installments",
+    description: "Defaults for installments and auto-activity.",
+    route: "settings.installment.edit",
+    icon: CalendarDays,
+  },
   {
     title: "Workflow",
     description: "Configure actions and decisions relationships.",
diff --git a/resources/js/Pages/Settings/Installments/Index.vue b/resources/js/Pages/Settings/Installments/Index.vue
new file mode 100644
index 0000000..efc32e1
--- /dev/null
+++ b/resources/js/Pages/Settings/Installments/Index.vue
@@ -0,0 +1,167 @@
+<script setup>
+import AppLayout from "@/Layouts/AppLayout.vue";
+import { useForm } from "@inertiajs/vue3";
+import { computed, watch } from "vue";
+import AppCard from "@/Components/app/ui/card/AppCard.vue";
+import CardTitle from "@/Components/ui/card/CardTitle.vue";
+import { CalendarDays } from "lucide-vue-next";
+import { Button } from "@/Components/ui/button";
+import { Input } from "@/Components/ui/input";
+import InputLabel from "@/Components/InputLabel.vue";
+import { Checkbox } from "@/Components/ui/checkbox";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/Components/ui/select";
+
+const props = defineProps({
+  setting: Object,
+  decisions: Array,
+  actions: Array,
+});
+
+const form = useForm({
+  default_currency: props.setting?.default_currency ?? "EUR",
+  create_activity_on_installment: !!props.setting?.create_activity_on_installment,
+  default_action_id: props.setting?.default_action_id ?? null,
+  default_decision_id: props.setting?.default_decision_id ?? null,
+  activity_note_template:
+    props.setting?.activity_note_template ?? "Dodan obrok: {amount} {currency}",
+});
+
+const filteredDecisions = computed(() => {
+  const actionId = form.default_action_id;
+  if (!actionId) return [];
+  const action = props.actions?.find((a) => a.id === actionId);
+  if (!action || !action.decision_ids) return [];
+  const ids = new Set(action.decision_ids);
+  return (props.decisions || []).filter((d) => ids.has(d.id));
+});
+
+watch(
+  () => form.default_action_id,
+  (newVal) => {
+    if (!newVal) {
+      form.default_decision_id = null;
+    } else {
+      const ids = new Set((filteredDecisions.value || []).map((d) => d.id));
+      if (!ids.has(form.default_decision_id)) {
+        form.default_decision_id = null;
+      }
+    }
+  }
+);
+
+const submit = () => {
+  form.put(route("settings.installment.update"), {
+    preserveScroll: true,
+  });
+};
+</script>
+
+<template>
+  <AppLayout title="Nastavitve obrokov">
+    <template #header></template>
+    <div class="max-w-3xl mx-auto p-6">
+      <AppCard
+        title=""
+        padding="none"
+        class="p-0! gap-0"
+        header-class="py-3! px-4 gap-0 text-muted-foreground"
+        body-class=""
+      >
+        <template #header>
+          <div class="flex items-center gap-2">
+            <CalendarDays :size="18" />
+            <CardTitle class="uppercase">Nastavitve obrokov</CardTitle>
+          </div>
+        </template>
+        <div class="space-y-6 p-4 border-t">
+          <div>
+            <InputLabel for="currency">Privzeta valuta</InputLabel>
+            <Input
+              id="currency"
+              v-model="form.default_currency"
+              maxlength="3"
+              class="w-40"
+            />
+            <div v-if="form.errors.default_currency" class="text-sm text-red-600 mt-1">
+              {{ form.errors.default_currency }}
+            </div>
+          </div>
+
+          <div class="flex items-center gap-2">
+            <Checkbox id="create-activity" v-model="form.create_activity_on_installment" />
+            <InputLabel for="create-activity" class="text-sm font-normal cursor-pointer">
+              Ustvari aktivnost ob dodanem obroku
+            </InputLabel>
+          </div>
+
+          <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+            <div>
+              <InputLabel for="default-action">Privzeto dejanje</InputLabel>
+              <Select v-model="form.default_action_id">
+                <SelectTrigger id="default-action">
+                  <SelectValue placeholder="— Brez —" />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem :value="null">— Brez —</SelectItem>
+                  <SelectItem v-for="a in actions" :key="a.id" :value="a.id">{{
+                    a.name
+                  }}</SelectItem>
+                </SelectContent>
+              </Select>
+              <div v-if="form.errors.default_action_id" class="text-sm text-red-600 mt-1">
+                {{ form.errors.default_action_id }}
+              </div>
+            </div>
+
+            <div>
+              <InputLabel for="default-decision">Privzeta odločitev</InputLabel>
+              <Select
+                v-model="form.default_decision_id"
+                :disabled="!form.default_action_id"
+              >
+                <SelectTrigger id="default-decision">
+                  <SelectValue placeholder="— Najprej izberite dejanje —" />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem :value="null">— Najprej izberite dejanje —</SelectItem>
+                  <SelectItem v-for="d in filteredDecisions" :key="d.id" :value="d.id">{{
+                    d.name
+                  }}</SelectItem>
+                </SelectContent>
+              </Select>
+              <div
+                v-if="form.errors.default_decision_id"
+                class="text-sm text-red-600 mt-1"
+              >
+                {{ form.errors.default_decision_id }}
+              </div>
+            </div>
+          </div>
+
+          <div>
+            <InputLabel for="note-template">Predloga opombe aktivnosti</InputLabel>
+            <Input id="note-template" v-model="form.activity_note_template" />
+            <p class="text-xs text-gray-500 mt-1">Podprti žetoni: {amount}, {currency}</p>
+            <div
+              v-if="form.errors.activity_note_template"
+              class="text-sm text-red-600 mt-1"
+            >
+              {{ form.errors.activity_note_template }}
+            </div>
+          </div>
+
+          <div class="flex justify-end gap-2">
+            <Button variant="outline" @click="form.reset()">Ponastavi</Button>
+            <Button @click="submit" :disabled="form.processing">Shrani</Button>
+          </div>
+        </div>
+      </AppCard>
+    </div>
+  </AppLayout>
+</template>
diff --git a/routes/web.php b/routes/web.php
index cd8d508..43cbe07 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1,6 +1,7 @@
 <?php
 
 use App\Http\Controllers\AccountBookingController;
+use App\Http\Controllers\AccountInstallmentController;
 use App\Http\Controllers\AccountPaymentController;
 use App\Http\Controllers\ActivityNotificationController;
 use App\Http\Controllers\ArchiveSettingController;
@@ -12,6 +13,7 @@
 use App\Http\Controllers\FieldJobSettingController;
 use App\Http\Controllers\ImportController;
 use App\Http\Controllers\ImportTemplateController;
+use App\Http\Controllers\InstallmentSettingController;
 use App\Http\Controllers\NotificationController;
 use App\Http\Controllers\PaymentSettingController;
 use App\Http\Controllers\PersonController;
@@ -502,12 +504,20 @@
         Route::get('bookings', [AccountBookingController::class, 'index'])->name('bookings.index');
         Route::post('bookings', [AccountBookingController::class, 'store'])->name('bookings.store');
         Route::delete('bookings/{booking}', [AccountBookingController::class, 'destroy'])->name('bookings.destroy');
+
+        Route::get('installments/list', [AccountInstallmentController::class, 'list'])->name('installments.list');
+        Route::post('installments', [AccountInstallmentController::class, 'store'])->name('installments.store');
+        Route::delete('installments/{installment}', [AccountInstallmentController::class, 'destroy'])->name('installments.destroy');
     });
 
     // settings - payment settings
     Route::get('settings/payment', [PaymentSettingController::class, 'edit'])->name('settings.payment.edit');
     Route::put('settings/payment', [PaymentSettingController::class, 'update'])->name('settings.payment.update');
 
+    // settings - installment settings
+    Route::get('settings/installment', [InstallmentSettingController::class, 'edit'])->name('settings.installment.edit');
+    Route::put('settings/installment', [InstallmentSettingController::class, 'update'])->name('settings.installment.update');
+
     Route::get('types/address', function (Request $request) {
         $types = App\Models\Person\AddressType::all();