feat: adjust layout dimensions for improved responsiveness in upscaler page

docs/upscaler/index.html

@@ -74,7 +74,7 @@
         class="min-h-screen flex flex-col bg-slate-50 text-slate-900 antialiased font-sans"
     >
         <main
-            class="flex-1 max-w-2xl w-full mx-auto px-4 sm:px-6 py-8 sm:py-12"
+            class="flex-1 max-w-3xl w-full mx-auto px-4 sm:px-6 py-8 sm:py-12"
         >
             <!-- Title Section -->
             <div class="text-center mb-8">
@@ -95,7 +95,7 @@
             <div
                 class="bg-white rounded-2xl shadow-sm border border-slate-200 overflow-hidden"
             >
-                <div class="p-5 sm:p-8">
+                <div class="p-4 sm:p-6">
                     <!-- Upload Area -->
                     <div class="mb-6">
                         <input