style: unify filter bar design — kill FILTERS label, solid orange pills

- Remove redundant "FILTERS" uppercase label
- Change pills from washed-out orange/10 border to solid brand-orange
  with white text for strong contrast in both light and dark mode
- Pills now use rounded-lg to match the Filter button shape
- FilterBar renders fragments (no wrapper div) so everything flows
  naturally in the parent flex row

components/dashboard/FilterBar.tsx

@@ -12,19 +12,16 @@ export default function FilterBar({ filters, onRemove, onClear }: FilterBarProps
   if (filters.length === 0) return null
 
   return (
-    <div className="flex flex-wrap items-center gap-2 mb-4">
+    <>
-      <span className="text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider">
-        Filters
-      </span>
       {filters.map((f, i) => (
         <button
           key={`${f.dimension}-${f.operator}-${f.values.join(',')}`}
           onClick={() => onRemove(i)}
-          className="inline-flex items-center gap-1.5 px-2.5 py-1 text-xs font-medium rounded-full bg-brand-orange/10 text-brand-orange border border-brand-orange/20 hover:bg-brand-orange/20 transition-colors cursor-pointer group"
+          className="inline-flex items-center gap-1.5 px-3 py-1.5 text-xs font-medium rounded-lg bg-brand-orange text-white hover:bg-brand-orange/80 transition-colors cursor-pointer group"
           title={`Remove filter: ${filterLabel(f)}`}
         >
           <span>{filterLabel(f)}</span>
-          <svg className="w-3 h-3 opacity-60 group-hover:opacity-100" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+          <svg className="w-3 h-3 opacity-70 group-hover:opacity-100" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
             <path strokeLinecap="round" strokeLinejoin="round" d="M6 18L18 6M6 6l12 12" />
           </svg>
         </button>
@@ -32,11 +29,11 @@ export default function FilterBar({ filters, onRemove, onClear }: FilterBarProps
       {filters.length > 1 && (
         <button
           onClick={onClear}
-          className="text-xs text-neutral-500 dark:text-neutral-400 hover:text-neutral-700 dark:hover:text-neutral-200 transition-colors cursor-pointer"
+          className="px-2 py-1.5 text-xs font-medium text-neutral-500 dark:text-neutral-400 hover:text-neutral-900 dark:hover:text-white transition-colors cursor-pointer"
         >
           Clear all
         </button>
       )}
-    </div>
+    </>
   )
 }