diff --git a/css/main.css b/css/main.css
index 3f79739..d52352b 100644
--- a/css/main.css
+++ b/css/main.css
@@ -463,7 +463,6 @@ body.light-theme::-webkit-scrollbar-thumb:hover, body.light-theme .item-details:
 ==============================================
 */
 
-/* Styles to manage hero loading state and content section visibility */
 .hero.loading .hero-content {
     opacity: 0;
 }
@@ -472,9 +471,8 @@ body.light-theme::-webkit-scrollbar-thumb:hover, body.light-theme .item-details:
     opacity: 1;
 }
 
-/* Custom styles for settings modal descriptions */
 #settingsModal .text-muted {
-    color: var(--text-primary); /* MODIFIED: Replaced 'white !important' for theme consistency */
+    color: var(--text-primary);
 }
 
 #main-view {
@@ -904,8 +902,10 @@ body.sidebar-collapsed #main-container {
 .item-poster {
     display: block;
     width: 100%;
-    height: 0;
-    padding-bottom: 150%;
+    height: auto;
+    aspect-ratio: 2 / 3;
+    object-fit: cover;
+    background-color: var(--secondary);
     background-size: cover;
     background-position: center;
     transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
@@ -915,12 +915,6 @@ body.sidebar-collapsed #main-container {
     transform: scale(1.08);
 }
 
-.item-poster img {
-    display: block;
-    width: 100%;
-    height: auto;
-}
-
 .item-overlay {
     position: absolute;
     top: 0;
@@ -3043,9 +3037,8 @@ body.miniplayer-active #musicPlayerContainer {
 #volumeSlider {
     -webkit-appearance: none;
     appearance: none;
-    /* Removed writing-mode: bt-lr; */
-    width: 100px; /* Adjusted for horizontal orientation */
-    height: 8px; /* Adjusted for horizontal orientation */
+    width: 100px;
+    height: 8px;
     background: var(--glass);
     border-radius: 4px;
 }
@@ -3408,8 +3401,6 @@ body.miniplayer-active { padding-bottom: 85px; }
 
 
 /* --- m3u-generator.css --- */
-/* M3U Generator Section */
-
 .m3u-animated-item {
     opacity: 0;
     transform: translateY(20px);
@@ -3516,7 +3507,7 @@ body.miniplayer-active { padding-bottom: 85px; }
     margin-right: 0.8rem;
     background-color: var(--secondary);
     border: 1px solid var(--glass-border);
-    flex-shrink: 0; /* Prevent shrinking */
+    flex-shrink: 0;
 }
 
 #m3u-libraries-container .form-check-label {
@@ -3524,7 +3515,7 @@ body.miniplayer-active { padding-bottom: 85px; }
     cursor: pointer;
     color: var(--text-secondary);
     font-size: 0.9rem;
-    line-height: 1.2; /* Ensure consistent line height */
+    line-height: 1.2;
 }
 
 #m3u-libraries-container .form-check-input:checked {
@@ -3559,7 +3550,7 @@ body.miniplayer-active { padding-bottom: 85px; }
     font-family: 'Orbitron', sans-serif;
     font-size: 1.4rem;
     margin-bottom: 1.5rem;
-    color: white; /* Changed to white for better visibility */
+    color: white;
 }
 
 .m3u-instructions {
@@ -3579,19 +3570,18 @@ body.miniplayer-active { padding-bottom: 85px; }
     padding: 1rem;
     font-size: 1rem;
     border-radius: var(--border-radius-md);
-    transition: all 0.3s ease; /* Added for animation */
+    transition: all 0.3s ease;
 }
 
 #download-m3u-btn:hover {
-    transform: translateY(-3px); /* Added for hover effect */
-    box-shadow: var(--shadow-lg); /* Added for hover effect */
+    transform: translateY(-3px);
+    box-shadow: var(--shadow-lg);
 }
 
 #download-m3u-btn span {
     margin-left: 0.5rem;
 }
 
-/* Loading state for libraries */
 #m3u-libraries-loader {
     display: flex;
     flex-direction: column;
@@ -3607,7 +3597,6 @@ body.miniplayer-active { padding-bottom: 85px; }
     margin-bottom: 1rem;
 }
 
-/* Light Theme */
 .light-theme .m3u-config-panel {
     background: var(--secondary);
 }
@@ -3638,7 +3627,6 @@ body.miniplayer-active { padding-bottom: 85px; }
     color: var(--accent-dark);
 }
 
-/* Responsive */
 @media (max-width: 992px) {
     .m3u-container {
         grid-template-columns: 1fr;
@@ -3920,4 +3908,4 @@ body.miniplayer-active { padding-bottom: 85px; }
 .provider-card:hover .provider-tooltip {
     opacity: 1;
     transform: translateY(0);
-}
+}
\ No newline at end of file
diff --git a/js/state.js b/js/state.js
index 8c7bde9..9a70c46 100644
--- a/js/state.js
+++ b/js/state.js
@@ -29,6 +29,7 @@ export const state = {
     localSeries: [],
     localArtists: [],
     localPhotos: [],
+    localContentLookup: new Set(),
     db: null,
     lastScrollPosition: 0,
     currentItemId: null,
diff --git a/js/ui.js b/js/ui.js
index 0c5b5f4..e2a0c89 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -64,6 +64,29 @@ export async function loadLocalContent() {
         state.jellyfinMovies = jfMovies;
         state.jellyfinSeries = jfSeries;
 
+        state.localContentLookup.clear();
+        const normalize = (str) => str ? str.toLowerCase().trim().replace(/\s+/g, ' ') : '';
+
+        const processSource = (source) => {
+            if (!Array.isArray(source)) return;
+            source.forEach(server => {
+                if (server && Array.isArray(server.titulos)) {
+                    server.titulos.forEach(t => {
+                        if (t && t.title) {
+                            const year = t.year ? String(t.year).slice(0, 4) : 'any';
+                            const lookupKey = `${normalize(t.title)}|${year}`;
+                            state.localContentLookup.add(lookupKey);
+                        }
+                    });
+                }
+            });
+        };
+
+        processSource(state.localMovies);
+        processSource(state.localSeries);
+        processSource(state.jellyfinMovies);
+        processSource(state.jellyfinSeries);
+
     } catch (error) {
         showNotification(_("errorLoadingLocalContent"), "error");
     }
@@ -79,7 +102,6 @@ export function resetView() {
     const heroBg1 = document.querySelector('.hero-background-1');
     const heroBg2 = document.querySelector('.hero-background-2');
 
-    // Hide all main content sections
     if (mainContent) {
         mainContent.style.display = 'none';
     }
@@ -93,12 +115,10 @@ export function resetView() {
     document.getElementById('providers-section').style.display = 'none';
     document.getElementById('m3u-generator-section').style.display = 'none';
 
-    // Show hero if enabled
     if (heroSection) {
         if (state.settings.showHero) {
             heroSection.style.display = 'flex';
             
-            // Clear dynamic hero content and reset to default
             if (state.heroIntervalId) {
                 clearInterval(state.heroIntervalId);
                 state.heroIntervalId = null;
@@ -148,7 +168,7 @@ export function switchView(viewType) {
     }
 
     if (mainContent) {
-        mainContent.style.display = 'block'; // Ensure main content is visible when switching views
+        mainContent.style.display = 'block';
     }
 
     const sidebar = document.getElementById('sidebar-nav');
@@ -182,7 +202,6 @@ export function switchView(viewType) {
         if (el) el.style.display = 'none';
     });
 
-    // Explicitly reset the Providers section to its initial state before view switch
     const providersSection = document.getElementById('providers-section');
     if (providersSection) {
         const detailsContainer = document.getElementById('provider-details-container');
@@ -271,7 +290,6 @@ export function switchView(viewType) {
             loadProviders();
             break;
         case 'm3u-generator':
-            // The m3u-generator.js file handles its own initialization
             break;
     }
 
@@ -453,31 +471,22 @@ function isContentAvailableLocally(title, type, year) {
 
     const normalize = (str) => str.toLowerCase().trim().replace(/\s+/g, ' ');
     const normalizedTitle = normalize(title);
+    const yearKey = year ? String(year).slice(0, 4) : 'any';
 
-    const checkSource = (source, itemType) => {
-        if (!Array.isArray(source)) return false;
-        return source.some(server => 
-            server && Array.isArray(server.titulos) && 
-            server.titulos.some(t => {
-                if (!t || typeof t.title !== 'string') return false;
-                const localTitle = normalize(t.title);
-                if (localTitle !== normalizedTitle) return false;
-                if (year && t.year && Math.abs(parseInt(t.year) - parseInt(year)) > 1) return false;
-                if (itemType && t.type && t.type.toLowerCase() !== itemType.toLowerCase()) return false;
-                return true;
-            })
-        );
-    };
-
-    if (checkSource(state.localMovies, 'movie')) return true;
-    if (checkSource(state.localSeries, 'series')) return true;
-    if (checkSource(state.jellyfinMovies, 'movie')) return true;
-    if (checkSource(state.jellyfinSeries, 'series')) return true;
+    const lookupKey = `${normalizedTitle}|${yearKey}`;
+    
+    if (state.localContentLookup.has(lookupKey)) {
+        return true;
+    }
 
+    const lookupKeyAnyYear = `${normalizedTitle}|any`;
+    if (yearKey !== 'any' && state.localContentLookup.has(lookupKeyAnyYear)) {
+        return true;
+    }
+    
     return false;
 }
 
-
 export function renderGrid(items, append = false, gridId = 'content-grid') {
     const grid = document.getElementById(gridId);
     if (!append) grid.innerHTML = '';
@@ -513,7 +522,7 @@ export function renderGrid(items, append = false, gridId = 'content-grid') {
         card.dataset.id = item.id;
         card.dataset.type = itemType;
         card.innerHTML = `
-            <div class="item-poster" style="background-image: url('${posterPath}')"></div>
+            <img src="${posterPath}" class="item-poster" loading="lazy" alt="${title}">
             ${voteAvg >= 7.8 ? '<span class="badge top-badge">TOP</span>' : ''}
             ${isAvailable ? `<span class="badge available-badge"><i class="fas fa-check-circle"></i> ${_('local')}</span>` : ''}
             <div class="item-overlay">
@@ -1274,7 +1283,6 @@ export async function initializeHeroSection() {
     const heroSection = document.getElementById('hero-section');
     if (heroSection.style.display === 'none' || !state.settings.showHero) return;
 
-    // Clear existing timers for slide changes and initial load
     if (state.heroIntervalId) {
         clearInterval(state.heroIntervalId);
         state.heroIntervalId = null;
@@ -1289,7 +1297,6 @@ export async function initializeHeroSection() {
     const content = document.querySelector('.hero-content');
     const heroButtons = content.querySelector('.hero-buttons');
 
-    // Set static background and show default content
     content.querySelector('.hero-title').textContent = _('heroWelcome');
     content.querySelector('.hero-subtitle').textContent = _('heroSubtitle');
     content.querySelector('#hero-rating').innerHTML = '';
@@ -1303,7 +1310,6 @@ export async function initializeHeroSection() {
     gsap.set(content, { autoAlpha: 1 });
     heroSection.classList.remove('loading');
 
-    // After 5 seconds, load the dynamic content if we are still on the home view
     state.heroLoadTimeoutId = setTimeout(() => {
         if (state.currentView === 'home') {
             loadTmdbHeroContent();
@@ -1318,7 +1324,7 @@ export async function initializeHeroSection() {
             const popularItems = data.results.filter(i => i.backdrop_path && i.overview).slice(0, 8);
 
             if (popularItems.length === 0) {
-                return; // Keep static image if no items
+                return;
             }
 
             let currentBg = bg1;
@@ -1966,4 +1972,4 @@ export function showPrevPhoto() {
 export async function loadProviders() {
     const providers = await fetchAllProviders(state.settings.watchRegion);
     renderProviders(providers);
-}
+}
\ No newline at end of file