Initial commit: admin dashboard for GameNo.

Vue 3 + Vite dashboard with PrimeVue, i18n, and API integration for institution management.

src/layouts/AuthLayout.vue

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+<!-- /src/layouts/AuthLayout.vue -->
+<template>
+  <div class="auth-layout-wrapper">
+    <router-view />
+  </div>
+</template>
+
+<script setup>
+</script>
+
+<style scoped lang="scss">
+.auth-layout-wrapper {
+  display: flex !important;
+  flex-direction: column !important;
+  align-items: center !important;
+  justify-content: center !important;
+  min-height: 100vh !important;
+  width: 100vw !important;
+  max-width: 100% !important;
+  box-sizing: border-box !important;
+  background: var(--bg-primary);
+  margin: 0 !important;
+  padding: 1.5rem !important;
+  position: relative !important;
+}
+</style>

src/layouts/DashboardLayout.vue

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+<!-- /src/layouts/DashboardLayout.vue -->
+<template>
+  <div class="dashboard-layout min-h-screen flex flex-column">
+    <AppTopbar />
+    <div class="layout-main-container flex flex-grow-1">
+      <AppSidebar />
+      <main class="layout-main flex-grow-1 p-4 overflow-x-hidden">
+        <AppBreadcrumb />
+        <router-view />
+      </main>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import AppTopbar from '@/components/layout/AppTopbar.vue';
+import AppSidebar from '@/components/layout/AppSidebar.vue';
+import AppBreadcrumb from '@/components/layout/AppBreadcrumb.vue';
+</script>
+
+<style scoped lang="scss">
+.dashboard-layout {
+  background-color: var(--bg-primary);
+}
+
+.layout-main {
+  min-height: calc(100vh - 60px);
+}
+</style>