refactor(kon): standardise page padding — pt-6 px-7 pb-5, tighter task cards

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/lib/pages/FilesPage.svelte

@@ -192,7 +192,7 @@
 
   <!-- Progress bar -->
   {#if progress > 0}
-    <div class="px-8 pb-3 animate-fade-in">
+    <div class="px-7 pb-3 animate-fade-in">
       <div class="h-[3px] bg-bg-elevated rounded-full overflow-hidden">
         <div
           class="h-full bg-accent rounded-full transition-all duration-500 shadow-[0_0_8px_rgba(232,168,124,0.4)]"