diff --git a/apps/frontend/src/components/SkeletonCard.vue b/apps/frontend/src/components/SkeletonCard.vue
index fdcfec3..8809cdf 100644
--- a/apps/frontend/src/components/SkeletonCard.vue
+++ b/apps/frontend/src/components/SkeletonCard.vue
@@ -1,11 +1,11 @@
 <template>
   <div class="animate-pulse">
-    <div v-for="n in count" :key="n" class="bg-white rounded-2xl shadow-xl border border-gray-100 overflow-hidden mb-6">
-      <div class="p-6 md:p-8">
-        <div class="h-4 bg-gray-200 rounded w-1/4 mb-4"></div>
-        <div class="h-6 bg-gray-200 rounded w-3/4 mb-3"></div>
-        <div class="h-4 bg-gray-200 rounded w-full mb-2"></div>
-        <div class="h-4 bg-gray-200 rounded w-5/6"></div>
+    <div v-for="n in count" :key="n" class="skeleton-card">
+      <div class="skeleton-card-inner">
+        <div class="skeleton-line w-1/4 mb-4"></div>
+        <div class="skeleton-line-lg w-3/4 mb-3"></div>
+        <div class="skeleton-line w-full mb-2"></div>
+        <div class="skeleton-line w-5/6"></div>
       </div>
     </div>
   </div>
@@ -14,3 +14,18 @@
 <script setup lang="ts">
 withDefaults(defineProps<{ count?: number }>(), { count: 3 })
 </script>
+
+<style scoped>
+.skeleton-card {
+  @apply bg-white rounded-2xl shadow-xl border border-gray-100 overflow-hidden mb-6;
+}
+.skeleton-card-inner {
+  @apply p-6 md:p-8;
+}
+.skeleton-line {
+  @apply h-4 bg-gray-200 rounded;
+}
+.skeleton-line-lg {
+  @apply h-6 bg-gray-200 rounded;
+}
+</style>
diff --git a/apps/frontend/src/layout/AppLayout.vue b/apps/frontend/src/layout/AppLayout.vue
index d84415b..8173076 100644
--- a/apps/frontend/src/layout/AppLayout.vue
+++ b/apps/frontend/src/layout/AppLayout.vue
@@ -1,47 +1,47 @@
 <template>
   <div :class="{ 'retro-mode': isRetroMode }" class="app-root">
-    <header class="bg-gray-800 text-white p-4 flex justify-between items-center relative">
-      <RouterLink to="/" class="text-xl font-bold">Teletype Games</RouterLink>
+    <header class="app-header">
+      <RouterLink to="/" class="app-logo">Teletype Games</RouterLink>
 
       <!-- Desktop Navigation -->
-      <nav class="hidden md:flex items-center space-x-4">
-        <RouterLink to="/" class="p-2 hover:text-purple-300 transition-colors duration-200">{{ t('nav.home') }}</RouterLink>
-        <RouterLink to="/catalog" class="p-2 hover:text-purple-300 transition-colors duration-200">{{ t('nav.catalog') }}</RouterLink>
-        <RouterLink to="/blog" class="p-2 hover:text-purple-300 transition-colors duration-200">{{ t('nav.blog') }}</RouterLink>
-        <RouterLink to="/howtos" class="p-2 hover:text-purple-300 transition-colors duration-200">{{ t('nav.howtos') }}</RouterLink>
-        <RouterLink to="/code" class="p-2 hover:text-purple-300 transition-colors duration-200">{{ t('nav.code') }}</RouterLink>
-        <RouterLink to="/team" class="p-2 hover:text-purple-300 transition-colors duration-200">{{ t('nav.team') }}</RouterLink>
-        <RouterLink to="/contact" class="p-2 hover:text-purple-300 transition-colors duration-200">{{ t('nav.contact') }}</RouterLink>
-        <a v-if="isAdmin" href="/admin" class="p-2 hover:text-yellow-300 transition-colors duration-200">Admin</a>
+      <nav class="nav-desktop">
+        <RouterLink to="/" class="nav-link">{{ t('nav.home') }}</RouterLink>
+        <RouterLink to="/catalog" class="nav-link">{{ t('nav.catalog') }}</RouterLink>
+        <RouterLink to="/blog" class="nav-link">{{ t('nav.blog') }}</RouterLink>
+        <RouterLink to="/howtos" class="nav-link">{{ t('nav.howtos') }}</RouterLink>
+        <RouterLink to="/code" class="nav-link">{{ t('nav.code') }}</RouterLink>
+        <RouterLink to="/team" class="nav-link">{{ t('nav.team') }}</RouterLink>
+        <RouterLink to="/contact" class="nav-link">{{ t('nav.contact') }}</RouterLink>
+        <a v-if="isAdmin" href="/admin" class="nav-link-admin">Admin</a>
 
-        <div class="flex items-center gap-1 text-sm font-bold ml-2 border-l border-gray-600 pl-4">
-          <button :class="locale === 'en' ? 'text-white' : 'text-gray-400 hover:text-white'" class="transition-colors px-1" @click="switchLocale('en')">EN</button>
-          <span class="text-gray-600">|</span>
-          <button :class="locale === 'hu' ? 'text-white' : 'text-gray-400 hover:text-white'" class="transition-colors px-1" @click="switchLocale('hu')">HU</button>
+        <div class="locale-switcher">
+          <button :class="locale === 'en' ? 'text-white' : 'text-gray-400 hover:text-white'" class="locale-btn" @click="switchLocale('en')">EN</button>
+          <span class="locale-separator">|</span>
+          <button :class="locale === 'hu' ? 'text-white' : 'text-gray-400 hover:text-white'" class="locale-btn" @click="switchLocale('hu')">HU</button>
         </div>
       </nav>
 
       <!-- Hamburger Button (Mobile only) -->
-      <button class="md:hidden p-2 focus:outline-none focus:ring-2 focus:ring-purple-500 rounded-md" @click="toggleMenu">
+      <button class="hamburger-btn" @click="toggleMenu">
         <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h16"></path>
         </svg>
       </button>
 
       <!-- Mobile Navigation -->
-      <nav v-show="menuOpen" class="md:hidden absolute top-full left-0 w-full bg-gray-800 flex flex-col items-center py-4 space-y-2 z-50">
-        <RouterLink to="/" class="block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200">{{ t('nav.home') }}</RouterLink>
-        <RouterLink to="/catalog" class="block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200">{{ t('nav.catalog') }}</RouterLink>
-        <RouterLink to="/blog" class="block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200">{{ t('nav.blog') }}</RouterLink>
-        <RouterLink to="/howtos" class="block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200">{{ t('nav.howtos') }}</RouterLink>
-        <RouterLink to="/code" class="block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200">{{ t('nav.code') }}</RouterLink>
-        <RouterLink to="/team" class="block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200">{{ t('nav.team') }}</RouterLink>
-        <RouterLink to="/contact" class="block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200">{{ t('nav.contact') }}</RouterLink>
-        <a v-if="isAdmin" href="/admin" class="block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200"><i class="fa-solid fa-wrench"></i> Admin</a>
-        <div class="flex items-center gap-2 pt-2 border-t border-gray-700 w-full justify-center text-sm font-bold">
-          <button :class="locale === 'en' ? 'text-white' : 'text-gray-400'" class="transition-colors px-2 py-1" @click="switchLocale('en')">EN</button>
-          <span class="text-gray-600">|</span>
-          <button :class="locale === 'hu' ? 'text-white' : 'text-gray-400'" class="transition-colors px-2 py-1" @click="switchLocale('hu')">HU</button>
+      <nav v-show="menuOpen" class="nav-mobile">
+        <RouterLink to="/" class="nav-mobile-link">{{ t('nav.home') }}</RouterLink>
+        <RouterLink to="/catalog" class="nav-mobile-link">{{ t('nav.catalog') }}</RouterLink>
+        <RouterLink to="/blog" class="nav-mobile-link">{{ t('nav.blog') }}</RouterLink>
+        <RouterLink to="/howtos" class="nav-mobile-link">{{ t('nav.howtos') }}</RouterLink>
+        <RouterLink to="/code" class="nav-mobile-link">{{ t('nav.code') }}</RouterLink>
+        <RouterLink to="/team" class="nav-mobile-link">{{ t('nav.team') }}</RouterLink>
+        <RouterLink to="/contact" class="nav-mobile-link">{{ t('nav.contact') }}</RouterLink>
+        <a v-if="isAdmin" href="/admin" class="nav-mobile-link"><i class="fa-solid fa-wrench"></i> Admin</a>
+        <div class="locale-switcher-mobile">
+          <button :class="locale === 'en' ? 'text-white' : 'text-gray-400'" class="locale-btn-mobile" @click="switchLocale('en')">EN</button>
+          <span class="locale-separator">|</span>
+          <button :class="locale === 'hu' ? 'text-white' : 'text-gray-400'" class="locale-btn-mobile" @click="switchLocale('hu')">HU</button>
         </div>
       </nav>
     </header>
@@ -51,20 +51,20 @@
     </main>
 
     <div class="retro-toggle-bar">
-      <div class="flex items-center justify-center gap-4">
+      <div class="retro-toggle-content">
         <button class="retro-toggle-btn" @click="toggleRetroMode">
           <i class="fa-solid fa-desktop"></i> {{ isRetroMode ? t('nav.exitRetro') : t('nav.retro') }}
         </button>
-        <div class="flex items-center gap-2 text-xs text-gray-400">
-          <a href="/api/rss/blog" target="_blank" class="hover:text-orange-400 transition-colors" title="Blog RSS">
+        <div class="rss-links">
+          <a href="/api/rss/blog" target="_blank" class="rss-link" title="Blog RSS">
             <i class="fa-solid fa-rss"></i> Blog
           </a>
-          <span class="text-gray-600">|</span>
-          <a href="/api/rss/releases" target="_blank" class="hover:text-orange-400 transition-colors" title="Releases RSS">
+          <span class="locale-separator">|</span>
+          <a href="/api/rss/releases" target="_blank" class="rss-link" title="Releases RSS">
             <i class="fa-solid fa-rss"></i> Releases
           </a>
-          <span class="text-gray-600">|</span>
-          <a href="/api/rss/howtos" target="_blank" class="hover:text-orange-400 transition-colors" title="HowTos RSS">
+          <span class="locale-separator">|</span>
+          <a href="/api/rss/howtos" target="_blank" class="rss-link" title="HowTos RSS">
             <i class="fa-solid fa-rss"></i> HowTos
           </a>
         </div>
@@ -105,8 +105,55 @@ function switchLocale(lang: string) {
   display: flex;
   flex-direction: column;
 }
-
 .app-root > main {
   flex: 1;
 }
+.app-header {
+  @apply bg-gray-800 text-white p-4 flex justify-between items-center relative;
+}
+.app-logo {
+  @apply text-xl font-bold;
+}
+.nav-desktop {
+  @apply hidden md:flex items-center space-x-4;
+}
+.nav-link {
+  @apply p-2 hover:text-purple-300 transition-colors duration-200;
+}
+.nav-link-admin {
+  @apply p-2 hover:text-yellow-300 transition-colors duration-200;
+}
+.locale-switcher {
+  @apply flex items-center gap-1 text-sm font-bold ml-2 border-l border-gray-600 pl-4;
+}
+.locale-btn {
+  @apply transition-colors px-1;
+}
+.locale-separator {
+  @apply text-gray-600;
+}
+.hamburger-btn {
+  @apply md:hidden p-2 focus:outline-none focus:ring-2 focus:ring-purple-500 rounded-md;
+}
+.nav-mobile {
+  @apply md:hidden absolute top-full left-0 w-full bg-gray-800 flex flex-col items-center py-4 space-y-2 z-50;
+}
+.nav-mobile-link {
+  @apply block p-2 w-full text-center hover:bg-gray-700 transition-colors duration-200;
+}
+.locale-switcher-mobile {
+  @apply flex items-center gap-2 pt-2 border-t border-gray-700 w-full justify-center text-sm font-bold;
+}
+.locale-btn-mobile {
+  @apply transition-colors px-2 py-1;
+}
+.retro-toggle-content {
+  @apply flex items-center justify-center gap-4;
+}
+.rss-links {
+  @apply flex items-center gap-2 text-xs text-gray-400;
+}
+.rss-link {
+  @apply hover:text-orange-400 transition-colors;
+}
 </style>
diff --git a/apps/frontend/src/page/catalog/CatalogIndexPage.vue b/apps/frontend/src/page/catalog/CatalogIndexPage.vue
index 527eca9..2097aa2 100644
--- a/apps/frontend/src/page/catalog/CatalogIndexPage.vue
+++ b/apps/frontend/src/page/catalog/CatalogIndexPage.vue
@@ -7,7 +7,7 @@
   </header>
 
   <main class="main-container py-12 px-4 mt-0">
-    <div class="flex flex-wrap gap-4 mb-8 justify-center filter-buttons pb-4">
+    <div class="filter-buttons">
       <button
         v-for="f in filters"
         :key="f"
@@ -18,11 +18,11 @@
       </button>
     </div>
 
-    <div class="grid grid-cols-1 gap-8">
+    <div class="software-list">
       <template v-for="{ software, releases } in softwares" :key="software.name">
         <div v-show="activeFilter === 'all' || software.status === activeFilter" class="software-card group">
           <div class="software-card-content">
-            <div class="flex flex-col md:flex-row md:items-center justify-between gap-4">
+            <div class="software-card-layout">
               <div v-if="getDefaultImageUrl(software)" class="flex-shrink-0">
                 <img :src="getDefaultImageUrl(software)!" :alt="software.title" class="software-thumb" />
               </div>
@@ -30,7 +30,7 @@
                 <RouterLink :to="`/catalog/${software.name}`" class="hover:text-purple-600 transition-colors">
                   <h2 class="software-title mb-0">{{ software.title }}</h2>
                 </RouterLink>
-                <div class="flex items-center gap-2 mt-1 mb-2">
+                <div class="software-badges">
                   <span :class="`status-badge status-${software.status}`">{{ t(`common.status.${software.status}`) }}</span>
                   <PlatformBadge :platform="software.platform" />
                 </div>
@@ -40,7 +40,7 @@
                 </div>
               </div>
 
-              <div class="flex flex-wrap gap-2 items-center">
+              <div class="software-actions">
                 <a
                   v-if="getLatestStable(releases)?.htmlFolderPath"
                   :href="getLatestStable(releases)?.htmlFolderPath"
@@ -50,7 +50,7 @@
                 <RouterLink :to="`/catalog/${software.name}`" class="btn-info-sm">
                   <i class="fa-solid fa-circle-info"></i> {{ t('catalog.moreInfo') }}
                 </RouterLink>
-                <span v-if="getTotalDownloads(software.name)" class="text-xs text-gray-400 font-medium ml-1">
+                <span v-if="getTotalDownloads(software.name)" class="software-download-count">
                   ↓ {{ getTotalDownloads(software.name) }} {{ t('catalog.downloads') }}
                 </span>
               </div>
@@ -98,6 +98,9 @@ onMounted(() => store.fetchAll())
 </script>
 
 <style scoped>
+.filter-buttons {
+  @apply flex flex-wrap gap-4 mb-8 justify-center pb-4;
+}
 .filter-btn {
   @apply px-4 py-2 rounded-full border-2 border-purple-600 text-purple-600 font-bold transition-all hover:bg-purple-600 hover:text-white;
 }
@@ -134,4 +137,19 @@ onMounted(() => store.fetchAll())
 .software-thumb {
   @apply w-24 h-24 object-cover rounded-xl border border-gray-100 shadow-sm;
 }
+.software-list {
+  @apply grid grid-cols-1 gap-8;
+}
+.software-card-layout {
+  @apply flex flex-col md:flex-row md:items-center justify-between gap-4;
+}
+.software-badges {
+  @apply flex items-center gap-2 mt-1 mb-2;
+}
+.software-actions {
+  @apply flex flex-wrap gap-2 items-center;
+}
+.software-download-count {
+  @apply text-xs text-gray-400 font-medium ml-1;
+}
 </style>
diff --git a/apps/frontend/src/page/catalog/CatalogShowPage.vue b/apps/frontend/src/page/catalog/CatalogShowPage.vue
index 8de04f7..65a9ba4 100644
--- a/apps/frontend/src/page/catalog/CatalogShowPage.vue
+++ b/apps/frontend/src/page/catalog/CatalogShowPage.vue
@@ -1,72 +1,71 @@
 <template>
-  <div class="bg-gray-50 min-h-screen pb-20">
+  <div class="catalog-show-page">
     <header class="hero-section-gradient from-purple-700 to-indigo-800 py-12 md:py-20">
       <div class="hero-container">
         <nav class="mb-8">
-          <RouterLink to="/catalog" class="text-purple-200 hover:text-white transition-colors flex items-center gap-2 font-medium">
+          <RouterLink to="/catalog" class="catalog-back-link">
             {{ t('catalogShow.back') }}
           </RouterLink>
         </nav>
 
-        <div v-if="software" class="flex flex-col md:flex-row md:items-end justify-between gap-6">
+        <div v-if="software" class="catalog-header-content">
           <div class="flex-grow">
-            <div class="flex items-center justify-center gap-3 mb-4">
+            <div class="catalog-badges-group">
               <span :class="`status-badge status-${software.status} px-3 py-1`">{{ t(`common.status.${software.status}`) }}</span>
               <PlatformBadge :platform="software.platform" />
             </div>
-            <h1 class="text-4xl md:text-6xl font-black text-white mb-4 leading-tight">{{ software.title }}</h1>
-            <p class="text-xl text-purple-100 max-w-3xl mx-auto leading-relaxed">{{ software.desc }}</p>
+            <h1 class="catalog-title">{{ software.title }}</h1>
+            <p class="catalog-subtitle">{{ software.desc }}</p>
           </div>
         </div>
       </div>
     </header>
 
     <main v-if="software" class="main-container -mt-10">
-      <div class="grid grid-cols-1 lg:grid-cols-3 gap-8">
+      <div class="catalog-layout">
         <!-- Sidebar Info -->
-        <div class="lg:col-span-1 space-y-6">
-          <div class="bg-white rounded-3xl shadow-xl p-8 border border-gray-100">
+        <div class="catalog-sidebar">
+          <div class="catalog-card">
             <div v-if="defaultImageUrl" class="mb-6">
               <div class="flex justify-center">
                 <img
                   :src="defaultImageUrl"
                   :alt="software.title"
-                  :class="['max-h-48 w-auto object-contain border-4 border-gray-100 shadow-sm', softwareImages.length > 0 ? 'cursor-pointer hover:opacity-80 transition-opacity' : '']"
+                  :class="['catalog-featured-image', softwareImages.length > 0 ? 'cursor-pointer hover:opacity-80 transition-opacity' : '']"
                   @click="openLightbox(defaultImageIndex)"
                 />
               </div>
-              <div v-if="softwareImages.length > 1" class="flex gap-2 mt-3 justify-center">
+              <div v-if="softwareImages.length > 1" class="catalog-thumbs">
                 <img
                   v-for="(img, idx) in softwareImages"
                   :key="idx"
                   :src="img.url"
                   :alt="`${software.title} ${idx + 1}`"
-                  :class="['w-12 h-12 object-cover rounded border-2 cursor-pointer transition-all',
-                           img.isDefault ? 'border-purple-400' : 'border-gray-200 hover:border-purple-300']"
+                  :class="['catalog-thumb', img.isDefault ? 'border-purple-400' : 'border-gray-200 hover:border-purple-300']"
                   @click="openLightbox(idx)"
                 />
               </div>
             </div>
-            <h2 class="text-xl font-bold text-gray-900 mb-6 flex items-center gap-2">
+            <h2 class="catalog-section-heading">
               <i class="fa-solid fa-circle-info text-purple-600"></i> {{ t('catalogShow.projectInfo') }}
             </h2>
             <dl class="space-y-4">
               <div>
-                <dt class="text-xs font-bold text-gray-400 uppercase tracking-widest mb-1">{{ t('catalogShow.author') }}</dt>
-                <dd class="text-gray-900 font-medium">{{ software.author }}</dd>
+                <dt class="catalog-info-label">{{ t('catalogShow.author') }}</dt>
+                <dd class="catalog-info-value">{{ software.author }}</dd>
               </div>
               <div>
-                <dt class="text-xs font-bold text-gray-400 uppercase tracking-widest mb-1">{{ t('catalogShow.platform') }}</dt>
+                <dt class="catalog-info-label">{{ t('catalogShow.platform') }}</dt>
                 <dd><PlatformBadge :platform="software.platform" /></dd>
               </div>
               <div v-if="software.license">
-                <dt class="text-xs font-bold text-gray-400 uppercase tracking-widest mb-1">{{ t('catalogShow.license') }}</dt>
-                <dd class="text-gray-900 font-medium">{{ software.license }}</dd>
+                <dt class="catalog-info-label">{{ t('catalogShow.license') }}</dt>
+                <dd class="catalog-info-value">{{ software.license }}</dd>
               </div>
               <div v-if="software.externalLinks?.length">
-                <dt class="text-xs font-bold text-gray-400 uppercase tracking-widest mb-1">{{ t('catalogShow.links') }}</dt>
+                <dt class="catalog-info-label">{{ t('catalogShow.links') }}</dt>
                 <dd class="flex flex-col gap-1.5">
-                  <a v-for="link in software.externalLinks" :key="link.url" :href="link.url" target="_blank" class="text-purple-600 hover:text-purple-800 font-bold inline-flex items-center gap-1">
+                  <a v-for="link in software.externalLinks" :key="link.url" :href="link.url" target="_blank" class="catalog-external-link">
                     {{ link.label }} <span class="text-xs">↗</span>
                   </a>
                 </dd>
@@ -76,63 +75,63 @@
         </div>
 
         <!-- Main Content Area -->
-        <div class="lg:col-span-2 space-y-8">
-          <div v-if="software.story" class="bg-white rounded-3xl shadow-xl p-8 border border-gray-100">
-            <h2 class="text-xl font-bold text-gray-900 mb-4">{{ t('catalogShow.about') }}</h2>
-            <p class="text-gray-700 leading-relaxed whitespace-pre-line">{{ software.story }}</p>
+        <div class="catalog-main">
+          <div v-if="software.story" class="catalog-card">
+            <h2 class="catalog-about-title">{{ t('catalogShow.about') }}</h2>
+            <p class="catalog-about-text">{{ software.story }}</p>
           </div>
 
-          <div v-if="latestStable" class="bg-gradient-to-br from-indigo-600 to-purple-700 rounded-3xl shadow-xl p-8 text-white">
-            <div class="flex flex-col md:flex-row justify-between items-start md:items-center gap-6">
+          <div v-if="latestStable" class="latest-release-card">
+            <div class="latest-release-header">
               <div>
-                <div class="flex items-center gap-2 mb-2">
-                  <span class="px-2 py-0.5 bg-white/20 text-white text-[10px] font-black uppercase rounded tracking-widest">{{ t('catalogShow.latestStable') }}</span>
+                <div class="latest-release-label-row">
+                  <span class="latest-release-badge">{{ t('catalogShow.latestStable') }}</span>
                 </div>
-                <h2 class="text-4xl font-black mb-1">{{ latestStable.version }}</h2>
-                <p class="text-indigo-100 text-sm">{{ t('catalogShow.released') }} {{ formatDateTime(latestStable.UpdatedAt) }}</p>
+                <h2 class="latest-release-version">{{ latestStable.version }}</h2>
+                <p class="latest-release-date">{{ t('catalogShow.released') }} {{ formatDateTime(latestStable.UpdatedAt) }}</p>
               </div>
 
-              <a v-if="latestStable.htmlFolderPath" :href="latestStable.htmlFolderPath" target="_blank" class="flex items-center justify-center py-3 px-6 bg-white text-indigo-900 font-bold rounded-xl transition-all hover:bg-indigo-50 shadow-lg shadow-black/10 text-sm whitespace-nowrap">{{ t('catalogShow.playNow') }}</a>
+              <a v-if="latestStable.htmlFolderPath" :href="latestStable.htmlFolderPath" target="_blank" class="latest-release-play-btn">{{ t('catalogShow.playNow') }}</a>
             </div>
 
-            <div v-if="tableAssets(latestStable).length" class="mt-6 pt-6 border-t border-white/15">
-              <div class="text-[10px] font-black uppercase tracking-widest text-indigo-200 mb-3">{{ t('catalogShow.assetsTitle') }}</div>
+            <div v-if="tableAssets(latestStable).length" class="latest-release-assets">
+              <div class="assets-section-label">{{ t('catalogShow.assetsTitle') }}</div>
               <!-- Desktop asset table -->
-              <table class="hidden md:table w-full text-sm">
+              <table class="asset-table-desktop">
                 <tbody>
-                  <tr v-for="asset in tableAssets(latestStable)" :key="asset.kind" class="border-b border-white/10 last:border-0">
-                    <td class="py-1.5 pr-6 text-indigo-100 whitespace-nowrap"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</td>
-                    <td class="py-1.5 pr-6 w-full font-mono text-xs text-indigo-200/80 break-all">{{ assetFileName(asset.path) }}</td>
-                    <td class="py-1.5 text-right whitespace-nowrap">
-                      <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="text-white font-bold hover:underline">{{ t('catalogShow.assetOpen') }}</a>
-                      <a v-else :href="downloadUrl(asset.path)" class="text-white font-bold hover:underline">{{ t('catalogShow.assetDownload') }}</a>
+                  <tr v-for="asset in tableAssets(latestStable)" :key="asset.kind" class="asset-table-row-light">
+                    <td class="asset-kind-col-light"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</td>
+                    <td class="asset-path-col-light">{{ assetFileName(asset.path) }}</td>
+                    <td class="asset-action-col">
+                      <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="asset-link-white">{{ t('catalogShow.assetOpen') }}</a>
+                      <a v-else :href="downloadUrl(asset.path)" class="asset-link-white">{{ t('catalogShow.assetDownload') }}</a>
                     </td>
                   </tr>
                 </tbody>
               </table>
               <!-- Mobile asset list -->
-              <div class="md:hidden space-y-2">
-                <div v-for="asset in tableAssets(latestStable)" :key="asset.kind" class="flex flex-col gap-0.5 py-2 border-b border-white/10 last:border-0">
-                  <div class="flex justify-between items-center">
-                    <span class="text-indigo-100 text-sm whitespace-nowrap"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</span>
-                    <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="text-white font-bold text-sm hover:underline ml-4 shrink-0">{{ t('catalogShow.assetOpen') }}</a>
-                    <a v-else :href="downloadUrl(asset.path)" class="text-white font-bold text-sm hover:underline ml-4 shrink-0">{{ t('catalogShow.assetDownload') }}</a>
+              <div class="asset-mobile-list">
+                <div v-for="asset in tableAssets(latestStable)" :key="asset.kind" class="asset-mobile-item-light">
+                  <div class="asset-mobile-row">
+                    <span class="asset-mobile-kind-light"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</span>
+                    <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="asset-mobile-link-white">{{ t('catalogShow.assetOpen') }}</a>
+                    <a v-else :href="downloadUrl(asset.path)" class="asset-mobile-link-white">{{ t('catalogShow.assetDownload') }}</a>
                   </div>
-                  <div class="font-mono text-xs text-indigo-200/80 truncate">{{ assetFileName(asset.path) }}</div>
+                  <div class="asset-mobile-path-light">{{ assetFileName(asset.path) }}</div>
                 </div>
               </div>
             </div>
           </div>
 
-          <div class="bg-white rounded-3xl shadow-xl overflow-hidden border border-gray-100">
-            <div class="p-8 border-b border-gray-100">
-              <h2 class="text-2xl font-bold text-gray-900">{{ t('catalogShow.allReleases') }}</h2>
+          <div class="releases-card">
+            <div class="releases-header">
+              <h2 class="releases-title">{{ t('catalogShow.allReleases') }}</h2>
             </div>
             <div class="p-0">
               <!-- Desktop Table -->
               <div class="hidden md:block">
                 <table class="w-full text-left">
-                  <thead class="bg-gray-50 text-gray-500 text-xs font-bold uppercase tracking-widest">
+                  <thead class="release-table-head">
                     <tr>
                       <th class="px-8 py-4">{{ t('catalogShow.version') }}</th>
                       <th class="px-8 py-4">{{ t('catalogShow.releaseDate') }}</th>
@@ -140,26 +139,26 @@
                   </thead>
                   <tbody>
                     <template v-for="release in stableReleases" :key="release.version">
-                      <tr class="border-t border-gray-100 first:border-t-0 hover:bg-gray-50/50 transition-colors">
+                      <tr class="release-table-row">
                         <td class="px-8 py-4">
-                          <div class="flex items-center gap-2 mb-2">
-                            <span class="font-bold text-gray-900 text-lg">{{ release.version }}</span>
-                            <span v-if="release.downloadCount" class="text-xs text-gray-400 font-medium">↓ {{ release.downloadCount }}</span>
+                          <div class="release-version-row">
+                            <span class="release-version">{{ release.version }}</span>
+                            <span v-if="release.downloadCount" class="release-download-count">↓ {{ release.downloadCount }}</span>
                           </div>
-                          <a v-if="release.htmlFolderPath" :href="release.htmlFolderPath" target="_blank" class="text-purple-600 hover:text-purple-900 font-bold text-sm">{{ t('catalogShow.play') }}</a>
+                          <a v-if="release.htmlFolderPath" :href="release.htmlFolderPath" target="_blank" class="release-play-link">{{ t('catalogShow.play') }}</a>
                         </td>
-                        <td class="px-8 py-4 text-gray-500 align-top pt-5">{{ formatDateTime(release.UpdatedAt) }}</td>
+                        <td class="release-date-col">{{ formatDateTime(release.UpdatedAt) }}</td>
                       </tr>
                       <tr v-if="tableAssets(release).length">
                         <td colspan="2" class="px-8 pb-4 pt-0">
                           <table class="w-full text-sm">
                             <tbody>
-                              <tr v-for="asset in tableAssets(release)" :key="asset.kind" class="border-b border-gray-100 last:border-0">
-                                <td class="py-1 pr-6 text-gray-500 whitespace-nowrap"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</td>
-                                <td class="py-1 pr-6 w-full font-mono text-xs text-gray-400 break-all">{{ assetFileName(asset.path) }}</td>
-                                <td class="py-1 text-right whitespace-nowrap">
-                                  <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="text-blue-600 hover:text-blue-900 font-bold">{{ t('catalogShow.assetOpen') }}</a>
-                                  <a v-else :href="downloadUrl(asset.path)" class="text-blue-600 hover:text-blue-900 font-bold">{{ t('catalogShow.assetDownload') }}</a>
+                              <tr v-for="asset in tableAssets(release)" :key="asset.kind" class="release-asset-row">
+                                <td class="release-asset-kind"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</td>
+                                <td class="release-asset-path">{{ assetFileName(asset.path) }}</td>
+                                <td class="release-asset-action">
+                                  <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="release-asset-link">{{ t('catalogShow.assetOpen') }}</a>
+                                  <a v-else :href="downloadUrl(asset.path)" class="release-asset-link">{{ t('catalogShow.assetDownload') }}</a>
                                 </td>
                               </tr>
                             </tbody>
@@ -168,28 +167,28 @@
                       </tr>
                     </template>
 
-                    <tr v-if="devReleases.length > 0" class="border-t border-gray-100 bg-yellow-50/30">
-                      <td colspan="2" class="px-8 py-3 text-[10px] font-black text-yellow-700 uppercase tracking-tighter">{{ t('catalogShow.devVersions') }}</td>
+                    <tr v-if="devReleases.length > 0" class="dev-versions-header">
+                      <td colspan="2" class="dev-versions-label">{{ t('catalogShow.devVersions') }}</td>
                     </tr>
 
                     <template v-for="release in devReleases" :key="release.version">
-                      <tr class="border-t border-gray-100 bg-yellow-50/10 hover:bg-yellow-50/30 transition-colors">
+                      <tr class="dev-release-row">
                         <td class="px-8 py-4">
-                          <div class="font-bold text-yellow-800 text-lg mb-2">{{ release.version }}</div>
-                          <a v-if="release.htmlFolderPath" :href="release.htmlFolderPath" target="_blank" class="text-purple-600 hover:text-purple-900 font-bold text-sm">{{ t('catalogShow.play') }}</a>
+                          <div class="dev-release-version">{{ release.version }}</div>
+                          <a v-if="release.htmlFolderPath" :href="release.htmlFolderPath" target="_blank" class="release-play-link">{{ t('catalogShow.play') }}</a>
                         </td>
-                        <td class="px-8 py-4 text-gray-500 align-top pt-5">{{ formatDateTime(release.UpdatedAt) }}</td>
+                        <td class="release-date-col">{{ formatDateTime(release.UpdatedAt) }}</td>
                       </tr>
                       <tr v-if="tableAssets(release).length" class="bg-yellow-50/10">
                         <td colspan="2" class="px-8 pb-4 pt-0">
                           <table class="w-full text-sm">
                             <tbody>
-                              <tr v-for="asset in tableAssets(release)" :key="asset.kind" class="border-b border-gray-100 last:border-0">
-                                <td class="py-1 pr-6 text-gray-500 whitespace-nowrap"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</td>
-                                <td class="py-1 pr-6 w-full font-mono text-xs text-gray-400 break-all">{{ assetFileName(asset.path) }}</td>
-                                <td class="py-1 text-right whitespace-nowrap">
-                                  <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="text-blue-600 hover:text-blue-900 font-bold">{{ t('catalogShow.assetOpen') }}</a>
-                                  <a v-else :href="downloadUrl(asset.path)" class="text-blue-600 hover:text-blue-900 font-bold">{{ t('catalogShow.assetDownload') }}</a>
+                              <tr v-for="asset in tableAssets(release)" :key="asset.kind" class="release-asset-row">
+                                <td class="release-asset-kind"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</td>
+                                <td class="release-asset-path">{{ assetFileName(asset.path) }}</td>
+                                <td class="release-asset-action">
+                                  <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="release-asset-link">{{ t('catalogShow.assetOpen') }}</a>
+                                  <a v-else :href="downloadUrl(asset.path)" class="release-asset-link">{{ t('catalogShow.assetDownload') }}</a>
                                 </td>
                               </tr>
                             </tbody>
@@ -208,22 +207,22 @@
                   :key="release.version"
                   :class="['p-6', release.version.startsWith('dev-') ? 'bg-yellow-50/20' : '']"
                 >
-                  <div class="flex justify-between items-start mb-4">
+                  <div class="mobile-release-header">
                     <div>
-                      <div class="font-bold text-gray-900 text-lg">{{ release.version }}</div>
-                      <div class="text-gray-500 text-xs mt-1">{{ formatDateTime(release.UpdatedAt) }}</div>
+                      <div class="mobile-release-version">{{ release.version }}</div>
+                      <div class="mobile-release-date">{{ formatDateTime(release.UpdatedAt) }}</div>
                     </div>
-                    <span v-if="release.version.startsWith('dev-')" class="px-2 py-0.5 bg-yellow-100 text-yellow-800 text-[10px] font-black uppercase rounded">Dev</span>
+                    <span v-if="release.version.startsWith('dev-')" class="dev-badge">Dev</span>
                   </div>
-                  <a v-if="release.htmlFolderPath" :href="release.htmlFolderPath" target="_blank" class="flex items-center justify-center py-2 bg-purple-100 text-purple-700 font-bold rounded-lg text-sm">{{ t('catalogShow.play') }}</a>
+                  <a v-if="release.htmlFolderPath" :href="release.htmlFolderPath" target="_blank" class="mobile-play-btn">{{ t('catalogShow.play') }}</a>
                   <div v-if="tableAssets(release).length" class="mt-3 space-y-1">
-                    <div v-for="asset in tableAssets(release)" :key="asset.kind" class="flex flex-col gap-0.5 py-1.5 border-b border-gray-100 last:border-0">
-                      <div class="flex justify-between items-center">
-                        <span class="text-gray-500 text-sm whitespace-nowrap"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</span>
-                        <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="text-blue-600 font-bold text-sm ml-4 shrink-0">{{ t('catalogShow.assetOpen') }}</a>
-                        <a v-else :href="downloadUrl(asset.path)" class="text-blue-600 font-bold text-sm ml-4 shrink-0">{{ t('catalogShow.assetDownload') }}</a>
+                    <div v-for="asset in tableAssets(release)" :key="asset.kind" class="asset-mobile-item">
+                      <div class="asset-mobile-row">
+                        <span class="asset-mobile-kind"><i :class="assetKindIcon(asset.kind)" class="w-4 text-center"></i> {{ t('catalogShow.assetKind.' + asset.kind) }}</span>
+                        <a v-if="asset.kind === 'docs'" :href="asset.path" target="_blank" class="asset-mobile-link">{{ t('catalogShow.assetOpen') }}</a>
+                        <a v-else :href="downloadUrl(asset.path)" class="asset-mobile-link">{{ t('catalogShow.assetDownload') }}</a>
                       </div>
-                      <div class="font-mono text-xs text-gray-400 truncate">{{ assetFileName(asset.path) }}</div>
+                      <div class="asset-mobile-path">{{ assetFileName(asset.path) }}</div>
                     </div>
                   </div>
                 </div>
@@ -235,7 +234,7 @@
     </main>
 
     <main v-else class="main-container -mt-10">
-      <div class="bg-white rounded-3xl shadow-xl p-12 text-center text-gray-400">
+      <div class="loading-card">
         {{ error || t('catalogShow.loading') }}
       </div>
     </main>
@@ -344,11 +343,105 @@ onMounted(async () => {
 </script>
 
 <style scoped>
-.status-badge {
-  @apply rounded text-[10px] font-black uppercase tracking-wider;
-}
+/* Page */
+.catalog-show-page { @apply bg-gray-50 min-h-screen pb-20; }
+.catalog-back-link { @apply text-purple-200 hover:text-white transition-colors flex items-center gap-2 font-medium; }
+.catalog-header-content { @apply flex flex-col md:flex-row md:items-end justify-between gap-6; }
+.catalog-badges-group { @apply flex items-center justify-center gap-3 mb-4; }
+.catalog-title { @apply text-4xl md:text-6xl font-black text-white mb-4 leading-tight; }
+.catalog-subtitle { @apply text-xl text-purple-100 max-w-3xl mx-auto leading-relaxed; }
+
+/* Layout */
+.catalog-layout { @apply grid grid-cols-1 lg:grid-cols-3 gap-8; }
+.catalog-sidebar { @apply lg:col-span-1 space-y-6; }
+.catalog-main { @apply lg:col-span-2 space-y-8; }
+.catalog-card { @apply bg-white rounded-3xl shadow-xl p-8 border border-gray-100; }
+
+/* Sidebar */
+.catalog-featured-image { @apply max-h-48 w-auto object-contain border-4 border-gray-100 shadow-sm; }
+.catalog-thumbs { @apply flex gap-2 mt-3 justify-center; }
+.catalog-thumb { @apply w-12 h-12 object-cover rounded border-2 cursor-pointer transition-all; }
+.catalog-section-heading { @apply text-xl font-bold text-gray-900 mb-6 flex items-center gap-2; }
+.catalog-info-label { @apply text-xs font-bold text-gray-400 uppercase tracking-widest mb-1; }
+.catalog-info-value { @apply text-gray-900 font-medium; }
+.catalog-external-link { @apply text-purple-600 hover:text-purple-800 font-bold inline-flex items-center gap-1; }
+
+/* About */
+.catalog-about-title { @apply text-xl font-bold text-gray-900 mb-4; }
+.catalog-about-text { @apply text-gray-700 leading-relaxed whitespace-pre-line; }
+
+/* Latest Release */
+.latest-release-card { @apply bg-gradient-to-br from-indigo-600 to-purple-700 rounded-3xl shadow-xl p-8 text-white; }
+.latest-release-header { @apply flex flex-col md:flex-row justify-between items-start md:items-center gap-6; }
+.latest-release-label-row { @apply flex items-center gap-2 mb-2; }
+.latest-release-badge { @apply px-2 py-0.5 bg-white/20 text-white text-[10px] font-black uppercase rounded tracking-widest; }
+.latest-release-version { @apply text-4xl font-black mb-1; }
+.latest-release-date { @apply text-indigo-100 text-sm; }
+.latest-release-play-btn { @apply flex items-center justify-center py-3 px-6 bg-white text-indigo-900 font-bold rounded-xl transition-all hover:bg-indigo-50 shadow-lg shadow-black/10 text-sm whitespace-nowrap; }
+.latest-release-assets { @apply mt-6 pt-6 border-t border-white/15; }
+.assets-section-label { @apply text-[10px] font-black uppercase tracking-widest text-indigo-200 mb-3; }
+
+/* Asset table - light (hero) */
+.asset-table-desktop { @apply hidden md:table w-full text-sm; }
+.asset-table-row-light { @apply border-b border-white/10 last:border-0; }
+.asset-kind-col-light { @apply py-1.5 pr-6 text-indigo-100 whitespace-nowrap; }
+.asset-path-col-light { @apply py-1.5 pr-6 w-full font-mono text-xs text-indigo-200/80 break-all; }
+.asset-action-col { @apply py-1.5 text-right whitespace-nowrap; }
+.asset-link-white { @apply text-white font-bold hover:underline; }
+
+/* Asset mobile - light (hero) */
+.asset-mobile-list { @apply md:hidden space-y-2; }
+.asset-mobile-item-light { @apply flex flex-col gap-0.5 py-2 border-b border-white/10 last:border-0; }
+.asset-mobile-row { @apply flex justify-between items-center; }
+.asset-mobile-kind-light { @apply text-indigo-100 text-sm whitespace-nowrap; }
+.asset-mobile-link-white { @apply text-white font-bold text-sm hover:underline ml-4 shrink-0; }
+.asset-mobile-path-light { @apply font-mono text-xs text-indigo-200/80 truncate; }
+
+/* Releases section */
+.releases-card { @apply bg-white rounded-3xl shadow-xl overflow-hidden border border-gray-100; }
+.releases-header { @apply p-8 border-b border-gray-100; }
+.releases-title { @apply text-2xl font-bold text-gray-900; }
+.release-table-head { @apply bg-gray-50 text-gray-500 text-xs font-bold uppercase tracking-widest; }
+.release-table-row { @apply border-t border-gray-100 first:border-t-0 hover:bg-gray-50/50 transition-colors; }
+.release-version-row { @apply flex items-center gap-2 mb-2; }
+.release-version { @apply font-bold text-gray-900 text-lg; }
+.release-download-count { @apply text-xs text-gray-400 font-medium; }
+.release-play-link { @apply text-purple-600 hover:text-purple-900 font-bold text-sm; }
+.release-date-col { @apply px-8 py-4 text-gray-500 align-top pt-5; }
+
+/* Release asset table */
+.release-asset-row { @apply border-b border-gray-100 last:border-0; }
+.release-asset-kind { @apply py-1 pr-6 text-gray-500 whitespace-nowrap; }
+.release-asset-path { @apply py-1 pr-6 w-full font-mono text-xs text-gray-400 break-all; }
+.release-asset-action { @apply py-1 text-right whitespace-nowrap; }
+.release-asset-link { @apply text-blue-600 hover:text-blue-900 font-bold; }
+
+/* Dev versions */
+.dev-versions-header { @apply border-t border-gray-100 bg-yellow-50/30; }
+.dev-versions-label { @apply px-8 py-3 text-[10px] font-black text-yellow-700 uppercase tracking-tighter; }
+.dev-release-row { @apply border-t border-gray-100 bg-yellow-50/10 hover:bg-yellow-50/30 transition-colors; }
+.dev-release-version { @apply font-bold text-yellow-800 text-lg mb-2; }
+
+/* Mobile releases */
+.mobile-release-header { @apply flex justify-between items-start mb-4; }
+.mobile-release-version { @apply font-bold text-gray-900 text-lg; }
+.mobile-release-date { @apply text-gray-500 text-xs mt-1; }
+.dev-badge { @apply px-2 py-0.5 bg-yellow-100 text-yellow-800 text-[10px] font-black uppercase rounded; }
+.mobile-play-btn { @apply flex items-center justify-center py-2 bg-purple-100 text-purple-700 font-bold rounded-lg text-sm; }
+
+/* Asset mobile - dark (releases) */
+.asset-mobile-item { @apply flex flex-col gap-0.5 py-1.5 border-b border-gray-100 last:border-0; }
+.asset-mobile-kind { @apply text-gray-500 text-sm whitespace-nowrap; }
+.asset-mobile-link { @apply text-blue-600 font-bold text-sm ml-4 shrink-0; }
+.asset-mobile-path { @apply font-mono text-xs text-gray-400 truncate; }
+
+/* Status badges */
+.status-badge { @apply rounded text-[10px] font-black uppercase tracking-wider; }
 .status-released { @apply bg-green-500 text-white shadow-lg shadow-green-500/20; }
 .status-demo { @apply bg-blue-500 text-white shadow-lg shadow-blue-500/20; }
 .status-development { @apply bg-yellow-500 text-white shadow-lg shadow-yellow-500/20; }
 .status-archived { @apply bg-gray-500 text-white shadow-lg shadow-gray-500/20; }
+
+/* Loading */
+.loading-card { @apply bg-white rounded-3xl shadow-xl p-12 text-center text-gray-400; }
 </style>
diff --git a/apps/frontend/src/page/catalog/ImageLightbox.vue b/apps/frontend/src/page/catalog/ImageLightbox.vue
index d090eaa..971028a 100644
--- a/apps/frontend/src/page/catalog/ImageLightbox.vue
+++ b/apps/frontend/src/page/catalog/ImageLightbox.vue
@@ -3,17 +3,17 @@
     <div
       v-if="isOpen"
       ref="overlay"
-      class="fixed inset-0 z-50 flex items-center justify-center bg-black/80 backdrop-blur-sm"
+      class="lightbox-overlay"
       tabindex="0"
       @click.self="close"
       @keydown.escape="close"
       @keydown.left="prev"
       @keydown.right="next"
     >
-      <button class="absolute top-4 right-4 text-white/70 hover:text-white text-3xl font-bold z-10" @click="close">&times;</button>
+      <button class="lightbox-close-btn" @click="close">&times;</button>
 
       <button
-        v-if="images.length > 1" class="absolute left-4 text-white/70 hover:text-white text-5xl font-bold z-10 select-none"
+        v-if="images.length > 1" class="lightbox-nav-btn left-4"
         @click="prev"
       >
         &lsaquo;
@@ -22,17 +22,17 @@
       <img
         :src="images[currentIndex].url"
         :alt="`Image ${currentIndex + 1}`"
-        class="max-h-[85vh] max-w-[90vw] object-contain rounded-lg shadow-2xl"
+        class="lightbox-image"
       />
 
       <button
-        v-if="images.length > 1" class="absolute right-4 text-white/70 hover:text-white text-5xl font-bold z-10 select-none"
+        v-if="images.length > 1" class="lightbox-nav-btn right-4"
         @click="next"
       >
         &rsaquo;
       </button>
 
-      <div v-if="images.length > 1" class="absolute bottom-6 text-white/60 text-sm font-mono">
+      <div v-if="images.length > 1" class="lightbox-counter">
         {{ currentIndex + 1 }} / {{ images.length }}
       </div>
     </div>
@@ -71,3 +71,21 @@ function close() { emit('close') }
 function next() { currentIndex.value = (currentIndex.value + 1) % props.images.length }
 function prev() { currentIndex.value = (currentIndex.value - 1 + props.images.length) % props.images.length }
 </script>
+
+<style scoped>
+.lightbox-overlay {
+  @apply fixed inset-0 z-50 flex items-center justify-center bg-black/80 backdrop-blur-sm;
+}
+.lightbox-close-btn {
+  @apply absolute top-4 right-4 text-white/70 hover:text-white text-3xl font-bold z-10;
+}
+.lightbox-nav-btn {
+  @apply absolute text-white/70 hover:text-white text-5xl font-bold z-10 select-none;
+}
+.lightbox-image {
+  @apply max-h-[85vh] max-w-[90vw] object-contain rounded-lg shadow-2xl;
+}
+.lightbox-counter {
+  @apply absolute bottom-6 text-white/60 text-sm font-mono;
+}
+</style>
diff --git a/apps/frontend/src/page/contact/ContactPage.vue b/apps/frontend/src/page/contact/ContactPage.vue
index 400d2da..1ca627e 100644
--- a/apps/frontend/src/page/contact/ContactPage.vue
+++ b/apps/frontend/src/page/contact/ContactPage.vue
@@ -30,7 +30,7 @@
         </h2>
         <p class="contact-card-desc">{{ t('contact.communityDesc') }}</p>
 
-        <div class="grid grid-cols-1 sm:grid-cols-3 gap-4">
+        <div class="community-grid-3">
           <div class="community-section border-[#5865F2]">
             <h3 class="community-section-title text-[#5865F2]">Discord</h3>
             <p class="community-section-desc">{{ t('contact.discord.desc') }}</p>
@@ -41,7 +41,7 @@
 
           <div class="community-section border-green-500">
             <h3 class="community-section-title text-green-700">IRC</h3>
-            <p class="text-sm text-gray-600 mb-3">{{ t('contact.irc.desc') }}</p>
+            <p class="community-section-desc">{{ t('contact.irc.desc') }}</p>
             <div class="irc-box">
               <span class="irc-network">Network: Libera.Chat</span>
               <code class="irc-channel">#teletypegames</code>
@@ -65,7 +65,7 @@
         </h2>
         <p class="contact-card-desc">{{ t('contact.socialDesc') }}</p>
 
-        <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
+        <div class="social-grid">
           <div class="community-section border-red-600">
             <h3 class="community-section-title text-red-600">YouTube</h3>
             <p class="community-section-desc">{{ t('contact.youtube.desc') }}</p>
@@ -107,8 +107,8 @@
             </svg>
           </div>
           <div>
-            <h2 class="text-2xl font-black text-white">Teletype Games Party</h2>
-            <p class="text-[#1DB954] text-sm font-bold">Spotify Playlist</p>
+            <h2 class="spotify-card-title">Teletype Games Party</h2>
+            <p class="spotify-card-subtitle">Spotify Playlist</p>
           </div>
         </div>
         <div class="spotify-embed-wrap">
@@ -193,9 +193,21 @@ function openEmail() {
 .spotify-icon-wrap {
   @apply w-14 h-14 rounded-2xl bg-[#1DB954]/10 border border-[#1DB954]/20 flex items-center justify-center;
 }
+.spotify-card-title {
+  @apply text-2xl font-black text-white;
+}
+.spotify-card-subtitle {
+  @apply text-[#1DB954] text-sm font-bold;
+}
 .spotify-embed-wrap {
   @apply rounded-xl overflow-hidden;
 }
+.community-grid-3 {
+  @apply grid grid-cols-1 sm:grid-cols-3 gap-4;
+}
+.social-grid {
+  @apply grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4;
+}
 .irc-box {
   @apply bg-green-100 p-4 rounded-xl border border-green-200 mt-3 inline-block;
 }
diff --git a/apps/frontend/src/page/home/HomePage.vue b/apps/frontend/src/page/home/HomePage.vue
index cdb24ed..9d33302 100644
--- a/apps/frontend/src/page/home/HomePage.vue
+++ b/apps/frontend/src/page/home/HomePage.vue
@@ -43,7 +43,7 @@
             <img :src="highlightedImageUrl" :alt="highlightedSoftware.software.title" class="featured-image" />
           </div>
           <div class="featured-content">
-            <div class="flex items-center gap-2 mb-4">
+            <div class="featured-badges-group">
               <span class="featured-badge">{{ t('home.featuredGame') }}</span>
               <span :class="`status-badge status-${highlightedSoftware.software.status}`">{{ t(`common.status.${highlightedSoftware.software.status}`) }}</span>
               <span v-if="highlightedStableRelease" class="featured-version-badge">{{ highlightedStableRelease.version }}</span>
@@ -51,7 +51,7 @@
             <h2 class="featured-title">{{ highlightedSoftware.software.title }}</h2>
             <p class="featured-desc">{{ highlightedSoftware.software.desc }}</p>
 
-            <div class="flex flex-wrap gap-4 mt-8">
+            <div class="featured-actions">
               <a
                 v-if="highlightedStableRelease?.htmlFolderPath"
                 :href="highlightedStableRelease.htmlFolderPath"
@@ -72,7 +72,7 @@
           <div class="yt-glow"></div>
 
           <div class="yt-header-area">
-            <div class="flex items-center gap-3">
+            <div class="yt-header-inner">
               <div class="yt-status-blob">
                 <div class="yt-status-dot"></div>
               </div>
@@ -85,23 +85,23 @@
 
           <div class="yt-content-grid">
             <div class="yt-player-container">
-              <div class="player-wrap relative w-full aspect-video">
-                <div v-if="ytState === 'loading'" class="state-overlay absolute inset-0 flex items-center justify-center bg-slate-950">
-                  <div class="w-10 h-10 border-4 border-white/5 border-t-indigo-500 rounded-full animate-spin"></div>
+              <div class="yt-player-wrap">
+                <div v-if="ytState === 'loading'" class="yt-state-overlay">
+                  <div class="yt-loading-spinner"></div>
                 </div>
-                <div v-else-if="ytState === 'error'" class="state-overlay absolute inset-0 flex items-center justify-center bg-slate-950 flex-col gap-2">
-                  <div class="text-xl text-yellow-500"><i class="fa-solid fa-triangle-exclamation"></i></div>
-                  <div class="text-[11px] text-slate-500 text-center px-4 font-bold uppercase tracking-tighter">{{ ytError }}</div>
+                <div v-else-if="ytState === 'error'" class="yt-state-overlay flex-col gap-2">
+                  <div class="yt-error-icon"><i class="fa-solid fa-triangle-exclamation"></i></div>
+                  <div class="yt-error-text">{{ ytError }}</div>
                 </div>
-                <div v-else-if="ytState === 'no-config'" class="state-overlay absolute inset-0 flex items-center justify-center bg-slate-950">
-                  <div class="text-slate-500 text-xs">{{ t('common.missingApiConfig') }}</div>
+                <div v-else-if="ytState === 'no-config'" class="yt-state-overlay">
+                  <div class="yt-noconfig-text">{{ t('common.missingApiConfig') }}</div>
                 </div>
                 <iframe
                   v-else-if="ytVideoId"
                   :src="`https://www.youtube.com/embed/${ytVideoId}?autoplay=0&rel=0&modestbranding=1`"
                   allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
                   allowfullscreen
-                  class="w-full h-full border-none block"
+                  class="yt-iframe"
                 ></iframe>
               </div>
             </div>
@@ -132,7 +132,7 @@
           <div class="spotify-glow"></div>
 
           <div class="spotify-header">
-            <div class="flex items-center gap-3">
+            <div class="spotify-header-inner">
               <div class="spotify-pulse-wrap">
                 <div class="spotify-pulse-bar"></div>
                 <div class="spotify-pulse-bar bar-2"></div>
@@ -162,7 +162,7 @@
       </section>
 
       <!-- Navigation Grid -->
-      <section class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
+      <section class="nav-grid">
         <div class="nav-card group card-interactive">
           <div class="nav-card-icon bg-purple-50 group-hover:bg-purple-100">
             <i class="fa-solid fa-gamepad text-3xl text-purple-600"></i>
@@ -209,9 +209,9 @@
       </section>
 
       <!-- AI Content Notice -->
-      <div class="mb-12 mt-12 bg-white rounded-2xl border border-indigo-100 p-6 shadow-sm flex items-center gap-4">
-        <div class="w-12 h-12 rounded-full bg-indigo-50 flex items-center justify-center text-2xl flex-shrink-0"><i class="fa-solid fa-robot text-indigo-500"></i></div>
-        <div class="flex-grow text-slate-600 text-sm md:text-base italic">
+      <div class="ai-notice-card">
+        <div class="ai-notice-icon"><i class="fa-solid fa-robot text-indigo-500"></i></div>
+        <div class="ai-notice-text">
           <strong>Note:</strong> {{ t('home.note') }}
         </div>
       </div>
@@ -270,6 +270,12 @@ onUnmounted(() => eventStore.cleanup())
 .featured-content {
   @apply p-8 md:p-12 flex flex-col justify-center flex-1 z-10;
 }
+.featured-badges-group {
+  @apply flex items-center gap-2 mb-4;
+}
+.featured-actions {
+  @apply flex flex-wrap gap-4 mt-8;
+}
 .featured-badge {
   @apply px-3 py-1 bg-indigo-500/20 text-indigo-300 border border-indigo-400/30 rounded-full text-xs font-bold uppercase tracking-wider;
 }
@@ -369,6 +375,30 @@ onUnmounted(() => eventStore.cleanup())
 .yt-player-container {
   @apply flex-[1.6] overflow-hidden rounded-2xl border border-white/5 shadow-inner bg-black;
 }
+.yt-player-wrap {
+  @apply relative w-full aspect-video;
+}
+.yt-state-overlay {
+  @apply absolute inset-0 flex items-center justify-center bg-slate-950;
+}
+.yt-loading-spinner {
+  @apply w-10 h-10 border-4 border-white/5 border-t-indigo-500 rounded-full animate-spin;
+}
+.yt-error-icon {
+  @apply text-xl text-yellow-500;
+}
+.yt-error-text {
+  @apply text-[11px] text-slate-500 text-center px-4 font-bold uppercase tracking-tighter;
+}
+.yt-noconfig-text {
+  @apply text-slate-500 text-xs;
+}
+.yt-iframe {
+  @apply w-full h-full border-none block;
+}
+.yt-header-inner {
+  @apply flex items-center gap-3;
+}
 .yt-info-sidebar {
   @apply flex-1 flex flex-col justify-center;
 }
@@ -420,7 +450,26 @@ onUnmounted(() => eventStore.cleanup())
 .spotify-open-link {
   @apply text-xs font-semibold text-[#1DB954] hover:text-[#1ed760] transition-colors;
 }
+.spotify-header-inner {
+  @apply flex items-center gap-3;
+}
 .spotify-embed-container {
   @apply relative z-10 rounded-xl overflow-hidden;
 }
+
+/* Nav Grid */
+.nav-grid {
+  @apply grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6;
+}
+
+/* AI Notice */
+.ai-notice-card {
+  @apply mb-12 mt-12 bg-white rounded-2xl border border-indigo-100 p-6 shadow-sm flex items-center gap-4;
+}
+.ai-notice-icon {
+  @apply w-12 h-12 rounded-full bg-indigo-50 flex items-center justify-center text-2xl flex-shrink-0;
+}
+.ai-notice-text {
+  @apply flex-grow text-slate-600 text-sm md:text-base italic;
+}
 </style>