fix(ui): сделать сетевые показатели и настройки читаемыми в обеих темах

app/(main)/route-optimizer/page.tsx

@@ -949,7 +949,8 @@ function RouteOptimizerContent({requestedServer,onSelectServer}:{requestedServer
               contentClassName="px-5 py-4 flex flex-col gap-4"
             >
 
-                <div className={cn("flex flex-col gap-3 transition-opacity", !ecmpEnabled && "opacity-40 pointer-events-none")}>
+                <fieldset disabled={!ecmpEnabled} className="flex min-w-0 flex-col gap-3">
+                  <legend className="sr-only">Параметры черновика ECMP</legend>
                   <div className="flex flex-col gap-1.5">
                     <span className="text-xs text-muted-foreground">Макс. путей</span>
                     <div className="flex items-center gap-2">
@@ -966,7 +967,7 @@ function RouteOptimizerContent({requestedServer,onSelectServer}:{requestedServer
                       {([["per-dst","По dst"],["per-conn","По conn"],["per-packet","По пакет"]] as const).map(([v, l]) => (
                         <button type="button" disabled={!ecmpEnabled} aria-pressed={ecmpAlgo===v} key={v} onClick={() => setEcmpAlgo(v)}
                           className={cn("flex-1 transition-colors cursor-pointer",
-                            ecmpAlgo === v ? "bg-focus text-primary-foreground" : "text-muted-foreground hover:bg-muted")}>
+                            ecmpAlgo === v ? "bg-muted text-foreground" : "text-muted-foreground hover:bg-muted")}>
                           {l}
                         </button>
                       ))}
@@ -977,7 +978,7 @@ function RouteOptimizerContent({requestedServer,onSelectServer}:{requestedServer
                     <InfoIcon aria-hidden="true" className="size-3 shrink-0 mt-0.5" />
                     <span>Черновой сценарий ECMP для сравнения настроек.</span>
                   </div>
-                </div>
+                </fieldset>
             </OpsPanel>
 
             {/* RPF Card */}