diff --git a/encoder/app.php b/encoder/app.php
index c06e0b7..fd19ee2 100644
--- a/encoder/app.php
+++ b/encoder/app.php
@@ -11,7 +11,7 @@ https://github.com/shreebhatt_ji/Urmi/blob/main/licence.md
 $json_file = '/var/www/html/app.json';
 $error_message = '';
 
-// --- 1. Handle Form Submission BEFORE any HTML is</em>
+// --- 1. Handle Form Submission BEFORE any HTML is rendered ---
 if (isset($_POST['submit'])) {
     $upload_paths = [
         'app_ad' => '/var/www/html/app_ad.png',
@@ -30,7 +30,7 @@ if (isset($_POST['submit'])) {
                 unlink($path);
                 // Also remove from encoder directory
                 $secondary_path = $secondary_dir . basename($path);
-                if (file_exists($secondary_path)) unlink($secondary_path);
+                if (file_exists($secondary_path)) unlink($payload_path = $secondary_path);
             }
         }
     }
@@ -68,7 +68,7 @@ if (isset($_POST['submit'])) {
 
             // 6. Resize (Resample)
             imagecopyresampled(
-                $dest_img,
+                $dst_img,
                 $src_img,
                 0,
                 0,
@@ -82,7 +82,6 @@ if (isset($_POST['submit'])) {
 
             // 7. Save to primary destination with compression (level 7)
             if (imagepng($dst_img, $destination, 7)) {
-                // FIXED: Changed $int_name to $destination
                 $filename = basename($destination);
                 $secondary_destination = $secondary_dir . $filename;
 
@@ -203,15 +202,15 @@ include 'header.php';
             <div class="card wide">
                 <h3 style="margin-bottom: 15px;">Upload Ad (PNG)</h3>
                 <div class="input-group">
-                    <input type="file" name="app_ad" id="file_app_int" accept="image/png" style="color: white;">
+                    <input type="file" name="app_ad" id="file_app_ad" accept="image/png" style="color: white;">
 
-                    <?php if (isset($_FILES['app_ad']) && $_FILES['app/ad']['tmp_name'] != ''): ?>
+                    <?php if (isset($_FILES['app_ad']) && $_FILES['app_ad']['tmp_name'] != ''): ?>
                         <div class="mt-2"><small style="color: #aaa;">New file selected (will upload on save)</small></div>
                     <?php elseif (file_exists('/var/www/html/app_ad.png')): ?>
                         <div class="mt-2">
                             <small style="color: #aaa;">Current:</small><br>
                             <img src="/app_ad.png" class="img-thumbnail" style="max-height: 60px; opacity: 0.7; margin-top: 5px;">
-                            <button type="button" onclick="prepareRemoval('file_app_int', 'remove_app_ad')" style="background:none; border:none; color:#ff4d4d; cursor:pointer; font-size:12px; text-decoration:underline; display:block; margin-top:5px;">Remove Existing</button>
+                            <button type="button" onclick="prepareRemoval('file_app_ad', 'remove_app_ad')" style="background:none; border:none; color:#ff4d4d; cursor:pointer; font-size:12px; text-decoration:underline; display:block; margin-top:5px;">Remove Existing</button>
                         </div>
                     <?php endif; ?>
                 </div>
@@ -219,7 +218,7 @@ include 'header.php';
 
             <!-- Upload Logo Section -->
             <div class="card wide">
-                <h3 style="margin-bottom: 15px;">Upload Logo (PNG)</h3>
+                <h3 style="margin: 15px 0;">Upload Logo (PNG)</h3>
                 <div class="input-group">
                     <input type="file" name="app_logo" id="file_app_logo" accept="image/png" style="color: white;">