refactor(theming): blue-* → accent-* in admin/internal usages

Sweep non-brand blue across admin pages, AnalyticsTab, TvQuickConnect, and menuLayout
style picker to accent tokens. Telegram-brand blue kept in BroadcastPreview (TG chat
mockup), the blocking screens (TG channel/bot CTAs), and the SuccessNotificationModal hero.

src/api/menuLayout.ts

@@ -41,7 +41,7 @@ export type BuiltinSection = (typeof BUILTIN_SECTIONS)[number];
 
 export const STYLE_OPTIONS = [
   { value: 'default' as const, colorClass: 'bg-dark-500' },
-  { value: 'primary' as const, colorClass: 'bg-blue-500' },
+  { value: 'primary' as const, colorClass: 'bg-accent-500' },
   { value: 'success' as const, colorClass: 'bg-success-500' },
   { value: 'danger' as const, colorClass: 'bg-error-500' },
 ];

src/components/admin/AnalyticsTab.tsx

@@ -226,8 +226,8 @@ export function AnalyticsTab() {
       <div className="rounded-2xl border border-dark-700/50 bg-dark-800/50 p-6">
         <div className="mb-1 flex items-center justify-between">
           <div className="flex items-center gap-3">
-            <div className="flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-xl bg-gradient-to-br from-blue-500/20 to-success-500/20">
+            <div className="flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-xl bg-gradient-to-br from-accent-500/20 to-success-500/20">
-              <svg className="h-5 w-5 text-blue-400" viewBox="0 0 24 24" fill="currentColor">
+              <svg className="h-5 w-5 text-accent-400" viewBox="0 0 24 24" fill="currentColor">
                 <path d="M12.87 15.07l-2.54-2.51.03-.03A17.52 17.52 0 0014.07 6H17V4h-7V2H8v2H1v1.99h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11.76-2.04zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2l-4.5-12zm-2.62 7l1.62-4.33L19.12 17h-3.24z" />
               </svg>
             </div>

src/components/connection/TvQuickConnect.tsx

@@ -256,9 +256,9 @@ export default function TvQuickConnect({ subscriptionUrl, isLight }: Props) {
       {/* QR Scanner */}
       <div className={cardClass}>
         <div className="flex items-start gap-3">
-          <div className="flex h-10 w-10 shrink-0 items-center justify-center rounded-xl bg-gradient-to-br from-blue-500/20 to-blue-600/10">
+          <div className="flex h-10 w-10 shrink-0 items-center justify-center rounded-xl bg-gradient-to-br from-accent-500/20 to-accent-600/10">
             <svg
-              className="h-5 w-5 text-blue-500"
+              className="h-5 w-5 text-accent-500"
               fill="none"
               viewBox="0 0 24 24"
               stroke="currentColor"

src/pages/AdminAuditLog.tsx

@@ -208,7 +208,7 @@ interface MethodBadgeProps {
 
 function MethodBadge({ method }: MethodBadgeProps) {
   const colorMap: Record<string, string> = {
-    GET: 'bg-blue-500/20 text-blue-400',
+    GET: 'bg-accent-500/20 text-accent-400',
     POST: 'bg-success-500/20 text-success-400',
     PUT: 'bg-warning-500/20 text-warning-400',
     PATCH: 'bg-warning-500/20 text-warning-400',

src/pages/AdminBroadcastDetail.tsx

@@ -76,7 +76,7 @@ const EmailIcon = () => (
 function ChannelBadge({ channel }: { channel?: BroadcastChannel }) {
   if (!channel || channel === 'telegram') {
     return (
-      <span className="flex items-center gap-1 rounded-full bg-blue-500/20 px-2 py-0.5 text-xs text-blue-400">
+      <span className="flex items-center gap-1 rounded-full bg-accent-500/20 px-2 py-0.5 text-xs text-accent-400">
         <TelegramIcon />
         <span className="hidden sm:inline">Telegram</span>
       </span>

src/pages/AdminSalesStats.tsx

@@ -106,7 +106,7 @@ export default function AdminSalesStats() {
         <StatCard
           label={t('admin.salesStats.summary.newTrials')}
           value={summaryLoading ? '...' : (summary?.new_trials ?? 0)}
-          valueClassName="text-blue-400"
+          valueClassName="text-accent-400"
         />
         <StatCard
           label={t('admin.salesStats.summary.conversion')}

src/pages/AdminUserDetail.tsx

@@ -1691,8 +1691,8 @@ export default function AdminUserDetail() {
                   disabled={actionLoading}
                   className={`rounded-lg px-3 py-2 text-sm font-medium transition-all disabled:opacity-50 ${
                     confirmingAction === 'resetTrial'
-                      ? 'bg-blue-500 text-white'
+                      ? 'bg-accent-500 text-white'
-                      : 'bg-blue-500/15 text-blue-400 hover:bg-blue-500/25'
+                      : 'bg-accent-500/15 text-accent-400 hover:bg-accent-500/25'
                   }`}
                 >
                   {confirmingAction === 'resetTrial'
@@ -3174,7 +3174,7 @@ export default function AdminUserDetail() {
                         <span
                           className={`rounded-full border px-1.5 py-0.5 ${
                             {
-                              open: 'border-blue-500/30 bg-blue-500/20 text-blue-400',
+                              open: 'border-accent-500/30 bg-accent-500/20 text-accent-400',
                               pending: 'border-warning-500/30 bg-warning-500/20 text-warning-400',
                               answered: 'border-success-500/30 bg-success-500/20 text-success-400',
                               closed: 'border-dark-500 bg-dark-600 text-dark-400',
@@ -3313,7 +3313,7 @@ export default function AdminUserDetail() {
                 <div className="space-y-2">
                   {tickets.map((ticket) => {
                     const statusStyles: Record<string, string> = {
-                      open: 'bg-blue-500/20 text-blue-400 border-blue-500/30',
+                      open: 'bg-accent-500/20 text-accent-400 border-accent-500/30',
                       pending: 'bg-warning-500/20 text-warning-400 border-warning-500/30',
                       answered: 'bg-success-500/20 text-success-400 border-success-500/30',
                       closed: 'bg-dark-600 text-dark-400 border-dark-500',