Refactor styles and components for improved UI consistency

- Updated login page layout by removing unnecessary classes.
- Redesigned 404 not found page with new layout and styles.
- Enhanced public pages with consistent font styling and hover effects.
- Improved ranking page header styling for better readability.
- Updated rules page with consistent font and link styles.
- Enhanced statistics page header styling.
- Refined global CSS variables for better theme consistency.
- Updated button styles for improved interaction feedback.
- Enhanced table styles for better readability and interaction.
- Updated Tailwind configuration to include new font families.

src/components/FightTable.svelte

@@ -44,7 +44,7 @@
     }
 </script>
 
-<div class="p-3 bg-gray-200 dark:bg-neutral-800 rounded-2xl w-3/4 mx-auto">
+<div class="p-3 bg-[#0c0c0c] border border-[rgba(255,255,255,0.06)] w-3/4 mx-auto">
     <table>
         <thead>
             <tr class="font-bold border-b">