diff --git a/frontend/src/features/admin/channels/ChannelDetail.tsx b/frontend/src/features/admin/channels/ChannelDetail.tsx
index 82c91a3..4987efc 100644
--- a/frontend/src/features/admin/channels/ChannelDetail.tsx
+++ b/frontend/src/features/admin/channels/ChannelDetail.tsx
@@ -1,8 +1,8 @@
 import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
 import { Link } from '@tanstack/react-router'
-import { useEffect, useState } from 'react'
+import { type ReactNode, useEffect, useState } from 'react'
 import { useTranslation } from 'react-i18next'
-import { ChevronLeft, RefreshCw } from 'lucide-react'
+import { ChevronDown, ChevronLeft, RefreshCw } from 'lucide-react'
 import { HttpError } from '@/shared/api/client'
 import type {
   AdInsertion,
@@ -16,7 +16,7 @@ import type {
 } from '@/shared/api/types'
 import { Badge } from '@/shared/ui/badge'
 import { Button } from '@/shared/ui/button'
-import { Card, CardContent, CardHeader, CardTitle } from '@/shared/ui/card'
+import { Card, CardContent, CardTitle } from '@/shared/ui/card'
 import { Input } from '@/shared/ui/input'
 import { Label } from '@/shared/ui/label'
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/shared/ui/select'
@@ -118,11 +118,7 @@ export function ChannelDetail({ channelId }: { channelId: string }) {
       <SettingsCard channel={channel} readyAssets={ready?.items ?? []} onSaved={invalidate} onError={onError} />
 
       {/* Шоу канала */}
-      <Card>
-        <CardHeader>
-          <CardTitle>{t('admin.channels.shows')}</CardTitle>
-        </CardHeader>
-        <CardContent className="flex flex-col gap-3">
+      <CollapsibleCard title={t('admin.channels.shows')} contentClassName="flex flex-col gap-3">
           <AddShowForm
             channelId={channelId}
             options={availableShows.map((s) => ({ id: s.id, name: s.name }))}
@@ -158,15 +154,10 @@ export function ChannelDetail({ channelId }: { channelId: string }) {
               )}
             </tbody>
           </table>
-        </CardContent>
-      </Card>
+      </CollapsibleCard>
 
       {/* Реклама */}
-      <Card>
-        <CardHeader>
-          <CardTitle>{t('admin.channels.ads')}</CardTitle>
-        </CardHeader>
-        <CardContent className="flex flex-col gap-3">
+      <CollapsibleCard title={t('admin.channels.ads')} contentClassName="flex flex-col gap-3">
           <AddAdForm
             channelId={channelId}
             options={(ready?.items ?? [])
@@ -190,15 +181,10 @@ export function ChannelDetail({ channelId }: { channelId: string }) {
               <li className="py-2 text-muted-foreground">{t('admin.channels.noAds')}</li>
             )}
           </ul>
-        </CardContent>
-      </Card>
+      </CollapsibleCard>
 
       {/* Джинглы-отбивки (статичные заставки) */}
-      <Card>
-        <CardHeader>
-          <CardTitle>{t('admin.channels.jingles')}</CardTitle>
-        </CardHeader>
-        <CardContent className="flex flex-col gap-3">
+      <CollapsibleCard title={t('admin.channels.jingles')} contentClassName="flex flex-col gap-3">
           <p className="text-sm text-muted-foreground">{t('admin.channels.jinglesHint')}</p>
           <AddJingleForm
             channelId={channelId}
@@ -223,15 +209,10 @@ export function ChannelDetail({ channelId }: { channelId: string }) {
               <li className="py-2 text-muted-foreground">{t('admin.channels.noJingles')}</li>
             )}
           </ul>
-        </CardContent>
-      </Card>
+      </CollapsibleCard>
 
       {/* Override'ы / марафоны */}
-      <Card>
-        <CardHeader>
-          <CardTitle>{t('admin.channels.overrides')}</CardTitle>
-        </CardHeader>
-        <CardContent className="flex flex-col gap-3">
+      <CollapsibleCard title={t('admin.channels.overrides')} contentClassName="flex flex-col gap-3">
           <OverrideForm
             channelId={channelId}
             options={channel.shows.map((cs) => ({ id: cs.showId, name: cs.showName }))}
@@ -255,22 +236,47 @@ export function ChannelDetail({ channelId }: { channelId: string }) {
               <li className="py-2 text-muted-foreground">{t('admin.channels.noOverrides')}</li>
             )}
           </ul>
-        </CardContent>
-      </Card>
+      </CollapsibleCard>
 
       {/* Предпросмотр расписания */}
-      <Card>
-        <CardHeader>
-          <CardTitle>{t('admin.channels.schedule')}</CardTitle>
-        </CardHeader>
-        <CardContent>
-          <SchedulePreview entries={schedule ?? []} />
-        </CardContent>
-      </Card>
+      <CollapsibleCard title={t('admin.channels.schedule')}>
+        <SchedulePreview entries={schedule ?? []} />
+      </CollapsibleCard>
     </div>
   )
 }
 
+/** Карточка со сворачиваемым содержимым: клик по заголовку скрывает/раскрывает блок. */
+function CollapsibleCard({
+  title,
+  defaultOpen = false,
+  contentClassName,
+  children,
+}: {
+  title: string
+  defaultOpen?: boolean
+  contentClassName?: string
+  children: ReactNode
+}) {
+  const [open, setOpen] = useState(defaultOpen)
+  return (
+    <Card>
+      <button
+        type="button"
+        onClick={() => setOpen((o) => !o)}
+        aria-expanded={open}
+        className="flex w-full items-center justify-between gap-2 p-6 text-left"
+      >
+        <CardTitle>{title}</CardTitle>
+        <ChevronDown
+          className={`h-5 w-5 shrink-0 text-muted-foreground transition-transform ${open ? 'rotate-180' : ''}`}
+        />
+      </button>
+      {open && <CardContent className={contentClassName}>{children}</CardContent>}
+    </Card>
+  )
+}
+
 function SettingsCard({
   channel,
   readyAssets,
@@ -323,11 +329,11 @@ function SettingsCard({
   })
 
   return (
-    <Card>
-      <CardHeader>
-        <CardTitle>{t('admin.channels.settings')}</CardTitle>
-      </CardHeader>
-      <CardContent className="grid gap-4 sm:grid-cols-2">
+    <CollapsibleCard
+      title={t('admin.channels.settings')}
+      defaultOpen
+      contentClassName="grid gap-4 sm:grid-cols-2"
+    >
         <div className="flex flex-col gap-1.5">
           <Label>{t('admin.channels.name')}</Label>
           <Input value={name} onChange={(e) => setName(e.target.value)} />
@@ -408,8 +414,7 @@ function SettingsCard({
             {t('common.save')}
           </Button>
         </div>
-      </CardContent>
-    </Card>
+    </CollapsibleCard>
   )
 }
 
diff --git a/frontend/src/features/streaming/AirPage.tsx b/frontend/src/features/streaming/AirPage.tsx
index 4be4a2e..595f03f 100644
--- a/frontend/src/features/streaming/AirPage.tsx
+++ b/frontend/src/features/streaming/AirPage.tsx
@@ -179,7 +179,7 @@ export function AirPage() {
                 <ul className="divide-y divide-border">
                   {upcoming.slice(0, 6).map((block) => (
                     <li key={block.key} className="flex items-center gap-3 px-4 py-2 text-sm">
-                      <span className="w-24 shrink-0 text-muted-foreground">
+                      <span className="shrink-0 whitespace-nowrap tabular-nums text-muted-foreground">
                         {formatTime(block.startsAtUtc)} – {formatTime(block.endsAtUtc)}
                       </span>
                       <span>{block.showName}</span>