(SP: 1) [Frontend] Fix UI Q&A spacing, accordion borders, and button backgrounds

frontend/app/globals.css

@@ -135,6 +135,12 @@
   }
 }
 
+.qa-accordion-item:hover,
+.qa-accordion-item:focus-within,
+.qa-accordion-item[data-state='open'] {
+  border-color: var(--qa-accent);
+}
+
 .no-select {
   -webkit-user-select: none; /* Safari */
   -moz-user-select: none; /* Firefox */
@@ -244,4 +250,4 @@
 /* Зупинка при наведенні мишкою, щоб роздивитися */
 .hover\:pause:hover .animate-marquee-vertical {
   animation-play-state: paused;
-}
+}

frontend/components/header/MainSwitcher.tsx

@@ -14,6 +14,11 @@ function isBlogPath(pathname: string): boolean {
   return segments[0] === 'blog' || segments[1] === 'blog';
 }
 
+function isQaPath(pathname: string): boolean {
+  const segments = pathname.split('/').filter(Boolean);
+  return segments[0] === 'q&a' || segments[1] === 'q&a';
+}
+
 type MainSwitcherProps = {
   children: ReactNode;
   userExists: boolean;
@@ -28,6 +33,7 @@ export function MainSwitcher({
   blogCategories = [],
 }: MainSwitcherProps) {
   const pathname = usePathname();
+  const isQa = isQaPath(pathname);
 
   if (isShopPath(pathname)) return <>{children}</>;
 
@@ -45,5 +51,9 @@ export function MainSwitcher({
     );
   }
 
-  return <main className="mx-auto px-6 min-h-[80vh]">{children}</main>;
+  return (
+    <main className={isQa ? 'mx-auto min-h-[80vh]' : 'mx-auto px-6 min-h-[80vh]'}>
+      {children}
+    </main>
+  );
 }

frontend/components/q&a/AccordionList.tsx

@@ -1,12 +1,13 @@
 'use client';
 
-import { ReactNode } from 'react';
+import type { CSSProperties, ReactNode } from 'react';
 import {
   Accordion,
   AccordionItem,
   AccordionTrigger,
   AccordionContent,
 } from '@/components/ui/accordion';
+import { qaTabStyles } from '@/data/qaTabs';
 
 import CodeBlock from '@/components/q&a/CodeBlock';
 import type {
@@ -239,10 +240,23 @@ export default function AccordionList({ items }: { items: QuestionEntry[] }) {
     <Accordion type="single" collapsible className="w-full">
       {items.map((q, idx) => {
         const key = q.id ?? idx;
+        const accent =
+          qaTabStyles[q.category as keyof typeof qaTabStyles]?.accent;
         return (
-          <AccordionItem key={key} value={String(key)}>
-            <AccordionTrigger>{q.question}</AccordionTrigger>
-            <AccordionContent>
+          <AccordionItem
+            key={key}
+            value={String(key)}
+            className="qa-accordion-item mb-3 last:mb-0 rounded-xl border border-black/5 bg-white/90 shadow-sm transition-colors last:border-b dark:border-white/10 dark:bg-neutral-900/80"
+            style={
+              accent
+                ? ({ '--qa-accent': accent } as CSSProperties)
+                : undefined
+            }
+          >
+            <AccordionTrigger className="px-4 hover:no-underline">
+              {q.question}
+            </AccordionTrigger>
+            <AccordionContent className="px-4">
               <div className="space-y-3 pt-2">
                 {q.answerBlocks.map((block, i) => renderBlock(block, i))}
               </div>

frontend/components/q&a/CodeBlock.tsx

@@ -14,7 +14,7 @@ export default function CodeBlock({ code, language }: Props) {
   const { resolvedTheme } = useTheme();
   const [copied, setCopied] = useState(false);
 
-  const theme = resolvedTheme === 'dark' ? themes.nightOwl : themes.vsLight;
+  const theme = resolvedTheme === 'dark' ? themes.nightOwl : themes.github;
 
   const handleCopy = async () => {
     await navigator.clipboard.writeText(code);

frontend/components/q&a/Pagination.tsx

@@ -97,7 +97,7 @@ export function Pagination({
         disabled={currentPage === 1}
         className={cn(
           'px-2 py-2 text-sm font-medium rounded-lg transition-colors sm:px-3',
-          'border border-gray-300 dark:border-gray-700',
+          'border border-gray-300 bg-white/90 dark:border-gray-700 dark:bg-neutral-900/80',
           currentPage === 1
             ? 'text-gray-400 dark:text-gray-600 cursor-not-allowed'
             : 'text-gray-700 dark:text-gray-300 hover:bg-[var(--qa-accent-soft)]'
@@ -122,7 +122,7 @@ export function Pagination({
               onClick={() => onPageChange(page)}
               disabled={page === currentPage}
               className={cn(
-                'min-w-[40px] px-3 py-2 text-sm font-medium rounded-lg transition-colors border border-transparent overflow-hidden',
+                'min-w-[40px] px-3 py-2 text-sm font-medium rounded-lg transition-colors border border-transparent overflow-hidden bg-white/90 dark:bg-neutral-900/80',
                 page === currentPage
                   ? 'shadow-sm text-gray-700 dark:text-gray-300'
                   : 'text-gray-700 dark:text-gray-300 hover:bg-[var(--qa-accent-soft)]'
@@ -150,7 +150,7 @@ export function Pagination({
         disabled={currentPage === totalPages}
         className={cn(
           'px-2 py-2 text-sm font-medium rounded-lg transition-colors sm:px-3',
-          'border border-gray-300 dark:border-gray-700',
+          'border border-gray-300 bg-white/90 dark:border-gray-700 dark:bg-neutral-900/80',
           currentPage === totalPages
             ? 'text-gray-400 dark:text-gray-600 cursor-not-allowed'
             : 'text-gray-700 dark:text-gray-300 hover:bg-[var(--qa-accent-soft)]'

frontend/components/q&a/QaTabButton.tsx

@@ -24,7 +24,7 @@ export function QaTabButton({
     <TabsTrigger
       value={value}
       className={cn(
-        'group relative h-full min-w-[96px] !flex !w-fit !flex-none !shrink-0 !items-center !justify-start gap-2 overflow-hidden rounded-xl border border-black/5 bg-transparent px-4 py-3 text-left text-xs font-semibold text-black shadow-sm transition-all duration-300 ease-out hover:-translate-y-0.5 hover:shadow-lg dark:border-white/20 dark:bg-transparent dark:text-white',
+        'group relative h-full min-w-[96px] !flex !w-fit !flex-none !shrink-0 !items-center !justify-start gap-2 overflow-hidden rounded-xl border border-black/5 bg-white/90 px-4 py-3 text-left text-xs font-semibold text-black shadow-sm transition-all duration-300 ease-out hover:-translate-y-0.5 hover:shadow-lg dark:border-white/20 dark:bg-neutral-900/80 dark:text-white',
         'data-[state=active]:-translate-y-0.5 data-[state=active]:shadow-lg data-[state=active]:border-2 dark:data-[state=active]:border-2',
         style.color
       )}

frontend/components/q&a/useQaTabs.ts

@@ -1,11 +1,11 @@
 'use client';
 
 import { useState, useEffect, useCallback } from 'react';
-import { useSearchParams, useParams } from 'next/navigation';
+import { useSearchParams } from 'next/navigation';
+import { useLocale } from 'next-intl';
 import { useRouter } from '@/i18n/routing';
 import { categoryData } from '@/data/category';
 import {
-  qaConstants,
   type CategorySlug,
   type Locale,
   type PaginatedResponse,
@@ -15,11 +15,6 @@ import {
 
 const CATEGORY_SLUGS = categoryData.map(category => category.slug);
 const DEFAULT_CATEGORY = CATEGORY_SLUGS[0] || 'html';
-function resolveLocale(value: string): Locale {
-  return qaConstants.supportedLocales.includes(value as Locale)
-    ? (value as Locale)
-    : 'en';
-}
 
 function isCategorySlug(value: string): value is CategorySlug {
   return CATEGORY_SLUGS.includes(value);
@@ -28,11 +23,7 @@ function isCategorySlug(value: string): value is CategorySlug {
 export function useQaTabs() {
   const router = useRouter();
   const searchParams = useSearchParams();
-  const params = useParams();
-
-  const locale =
-    typeof params.locale === 'string' ? params.locale : params.locale?.[0] ?? '';
-  const localeKey = resolveLocale(locale);
+  const localeKey = useLocale() as Locale;
 
   const rawPage = searchParams.get('page');
   const pageFromUrl = rawPage ? Number(rawPage) : 1;