fix: TheoryTab text contrast

Author: Promastergame

src/components/sql/TheoryTab.tsx

@@ -249,7 +249,7 @@ export function TheoryTab({ theoryRead, onTheoryReadChange }: Props) {
         <div className="relative flex flex-col md:flex-row md:items-center md:justify-between gap-4">
           <div className="flex items-start gap-3">
             <div className="p-3 rounded-2xl bg-primary/10 ring-1 ring-primary/20">
-              <Sparkles className="h-6 w-6 text-yellow-500 dark:text-yellow-300" />
+              <Sparkles className="h-6 w-6 text-yellow-600 drop-shadow-[0_0_6px_rgba(255,215,0,0.55)] dark:text-yellow-300" />
             </div>
             <div>
               <h1 className="text-2xl md:text-3xl font-extrabold leading-tight">Теория: защита от SQL-инъекций</h1>