diff --git a/ordinis-admin-ui/src/components/editor/EditorInfoPanel.tsx b/ordinis-admin-ui/src/components/editor/EditorInfoPanel.tsx
index 0b00fea..6d4588a 100644
--- a/ordinis-admin-ui/src/components/editor/EditorInfoPanel.tsx
+++ b/ordinis-admin-ui/src/components/editor/EditorInfoPanel.tsx
@@ -72,57 +72,6 @@ export function EditorInfoPanel({ detail, recordCount, actions }: EditorInfoPane
         </MetaCell>
       </div>
 
-      {/* Actions — bottom buttons per redesign prototype: Time-travel + AOI */}
-      {actions && (
-        <div className="space-y-2 pt-2 border-t border-line-2">
-          {actions.onTimeTravel && (
-            <button
-              type="button"
-              onClick={actions.onTimeTravel}
-              aria-pressed={actions.timeTravelActive}
-              className={cn(
-                'w-full h-8 rounded-md border text-cell flex items-center justify-center gap-1.5 transition-colors',
-                actions.timeTravelActive
-                  ? 'border-accent bg-accent-bg text-accent'
-                  : 'border-line bg-surface text-ink-2 hover:border-line-2 hover:bg-surface-2',
-              )}
-            >
-              <ClockCounterClockwiseIcon weight="regular" size={14} />
-              {t('timeTravel.button', { defaultValue: 'Time-travel…' })}
-            </button>
-          )}
-          {actions.onAoi && (
-            <button
-              type="button"
-              onClick={actions.onAoi}
-              aria-pressed={actions.aoiActive}
-              className={cn(
-                'w-full h-8 rounded-md border text-cell flex items-center justify-center gap-1.5 transition-colors',
-                actions.aoiActive
-                  ? 'border-accent bg-accent-bg text-accent'
-                  : 'border-line bg-surface text-ink-2 hover:border-line-2 hover:bg-surface-2',
-              )}
-            >
-              <MapTrifoldIcon weight="regular" size={14} />
-              {t('aoi.button', { defaultValue: 'AOI фильтр…' })}
-            </button>
-          )}
-          {actions.onExport && (
-            <button
-              type="button"
-              onClick={actions.onExport}
-              disabled={actions.exportPending}
-              className="w-full h-8 rounded-md border border-line bg-surface text-ink-2 hover:border-line-2 hover:bg-surface-2 disabled:opacity-50 disabled:cursor-not-allowed text-cell flex items-center justify-center gap-1.5 transition-colors"
-            >
-              <DownloadSimpleIcon weight="regular" size={14} />
-              {actions.exportPending
-                ? t('export.pending', { defaultValue: 'Экспорт…' })
-                : t('export.button', { defaultValue: '↓ Экспорт…' })}
-            </button>
-          )}
-        </div>
-      )}
-
       {/* Relations — merged inline DictionaryDependentsPanel в InfoPanel.
         * → ссылается: outgoing FK targets (имя dict, links).
         * ← используют: incoming FK rows с field path + active count + policy chip
@@ -202,6 +151,59 @@ export function EditorInfoPanel({ detail, recordCount, actions }: EditorInfoPane
           )}
         </Section>
       )}
+
+      {/* Actions — bottom buttons per redesign prototype: Экспорт + Time-travel
+        * + AOI. После Relations block чтобы не разрывать info → meta → relations
+        * мыслительный поток info-panel'а. */}
+      {actions && (
+        <div className="space-y-2 pt-3 mt-2 border-t border-line-2">
+          {actions.onExport && (
+            <button
+              type="button"
+              onClick={actions.onExport}
+              disabled={actions.exportPending}
+              className="w-full h-8 rounded-md border border-line bg-surface text-ink-2 hover:border-line-2 hover:bg-surface-2 disabled:opacity-50 disabled:cursor-not-allowed text-cell flex items-center justify-center gap-1.5 transition-colors"
+            >
+              <DownloadSimpleIcon weight="regular" size={14} />
+              {actions.exportPending
+                ? t('export.pending', { defaultValue: 'Экспорт…' })
+                : t('export.button', { defaultValue: '↓ Экспорт…' })}
+            </button>
+          )}
+          {actions.onTimeTravel && (
+            <button
+              type="button"
+              onClick={actions.onTimeTravel}
+              aria-pressed={actions.timeTravelActive}
+              className={cn(
+                'w-full h-8 rounded-md border text-cell flex items-center justify-center gap-1.5 transition-colors',
+                actions.timeTravelActive
+                  ? 'border-accent bg-accent-bg text-accent'
+                  : 'border-line bg-surface text-ink-2 hover:border-line-2 hover:bg-surface-2',
+              )}
+            >
+              <ClockCounterClockwiseIcon weight="regular" size={14} />
+              {t('timeTravel.button', { defaultValue: 'Time-travel…' })}
+            </button>
+          )}
+          {actions.onAoi && (
+            <button
+              type="button"
+              onClick={actions.onAoi}
+              aria-pressed={actions.aoiActive}
+              className={cn(
+                'w-full h-8 rounded-md border text-cell flex items-center justify-center gap-1.5 transition-colors',
+                actions.aoiActive
+                  ? 'border-accent bg-accent-bg text-accent'
+                  : 'border-line bg-surface text-ink-2 hover:border-line-2 hover:bg-surface-2',
+              )}
+            >
+              <MapTrifoldIcon weight="regular" size={14} />
+              {t('aoi.button', { defaultValue: 'AOI фильтр…' })}
+            </button>
+          )}
+        </div>
+      )}
     </aside>
   )
 }
diff --git a/ordinis-admin-ui/src/components/layout/ThemeSwitch.tsx b/ordinis-admin-ui/src/components/layout/ThemeSwitch.tsx
index 65158cf..da8465d 100644
--- a/ordinis-admin-ui/src/components/layout/ThemeSwitch.tsx
+++ b/ordinis-admin-ui/src/components/layout/ThemeSwitch.tsx
@@ -1,37 +1,42 @@
 import { useTranslation } from 'react-i18next'
-import { Monitor, Moon, Sun } from 'lucide-react'
 import { useTheme, type ThemePreference } from '@/stores/ThemeProvider'
 import { cn } from '@/lib/utils'
 
 /**
- * Tri-state theme switch: Light / Dark / System.
+ * Theme switch per redesign prototype — 2-button segmented control с text
+ * labels "Earth | Dark". Filled accent-bg на active.
  *
- * <p>Segmented control с тремя иконками. Активный — `--color-accent`
- * background + `--color-on-accent` foreground. Click меняет `preference`
- * в {@link ThemeProvider}, который пишет в localStorage и переключает
- * `data-theme` на html.
+ * <p>Прошлый tri-state (Light/Dark/System icons) был noise — "system" preference
+ * редко используется явно, мало кто понимает Monitor icon. Простой 2-button
+ * `Earth / Dark` toggle — точно повторяет prototype и улучшает discoverability.
  *
- * <p>System icon показывает «follow OS» — auto-update при OS theme change.
+ * <p>Internally "Earth" maps на `light` preference (Earthy palette default).
+ * "System" preference больше не выставляется через UI; localStorage value
+ * остаётся валидным (ThemeProvider может read), но новые users получают
+ * explicit light/dark choice.
  */
 export function ThemeSwitch() {
   const { t } = useTranslation()
   const { preference, setPreference } = useTheme()
 
-  const items: { id: ThemePreference; label: string; icon: typeof Sun }[] = [
-    { id: 'light', label: t('theme.light'), icon: Sun },
-    { id: 'dark', label: t('theme.dark'), icon: Moon },
-    { id: 'system', label: t('theme.system'), icon: Monitor },
+  // Treat 'system' как 'light' для UI — переключение всё равно flatten'ит
+  // preference на explicit choice.
+  const activeId: Exclude<ThemePreference, 'system'> =
+    preference === 'dark' ? 'dark' : 'light'
+
+  const items: { id: Exclude<ThemePreference, 'system'>; label: string }[] = [
+    { id: 'light', label: t('theme.earth', { defaultValue: 'Earth' }) },
+    { id: 'dark', label: t('theme.dark', { defaultValue: 'Dark' }) },
   ]
 
   return (
     <div
       role="radiogroup"
       aria-label={t('theme.label')}
-      className="inline-flex items-center rounded-md border border-line bg-surface p-0.5"
+      className="inline-flex items-center rounded-md border border-line bg-surface overflow-hidden"
     >
       {items.map((item) => {
-        const Icon = item.icon
-        const active = preference === item.id
+        const active = activeId === item.id
         return (
           <button
             key={item.id}
@@ -39,16 +44,15 @@ export function ThemeSwitch() {
             role="radio"
             aria-checked={active}
             aria-label={item.label}
-            title={item.label}
             onClick={() => setPreference(item.id)}
             className={cn(
-              'inline-flex h-6 w-6 items-center justify-center rounded transition-colors',
+              'h-8 px-3 text-cap font-semibold tracking-[0.14em] transition-colors',
               active
                 ? 'bg-accent text-on-accent'
-                : 'text-mute hover:text-ink hover:bg-surface-2',
+                : 'text-ink-2 hover:text-ink hover:bg-surface-2',
             )}
           >
-            <Icon size={13} strokeWidth={2.25} />
+            {item.label}
           </button>
         )
       })}
diff --git a/ordinis-admin-ui/src/components/layout/TopBar.tsx b/ordinis-admin-ui/src/components/layout/TopBar.tsx
index 00d2e2e..7a2f3ef 100644
--- a/ordinis-admin-ui/src/components/layout/TopBar.tsx
+++ b/ordinis-admin-ui/src/components/layout/TopBar.tsx
@@ -1,10 +1,8 @@
 import { useTranslation } from 'react-i18next'
 import { Link, useLocation, useNavigate } from '@tanstack/react-router'
 import { useDictionaryDetail } from '@/api/queries'
-import { LanguageSwitch } from '@/ui'
 import { AuthBadge } from '@/auth/AuthBadge'
 import { ThemeSwitch } from '@/components/layout/ThemeSwitch'
-import { VersionBadge } from '@/components/version/VersionBadge'
 import { SearchInput } from '@/ui/components/search-input'
 import { Menu } from 'lucide-react'
 import { useEffect, useRef, useState } from 'react'
@@ -18,13 +16,8 @@ import { useEffect, useRef, useState } from 'react'
  *    + ⌘K / Ctrl+K shortcut focuses input from anywhere
  *  - Right: VersionBadge · ThemeSwitch · LanguageSwitch · Docs · AuthBadge
  */
-const LANG_OPTIONS = [
-  { id: 'ru-RU', label: 'RU' },
-  { id: 'en-US', label: 'EN' },
-]
-
 export function TopBar({ onMenuClick }: { onMenuClick?: () => void }) {
-  const { t, i18n } = useTranslation()
+  const { t } = useTranslation()
   const navigate = useNavigate()
   const [searchValue, setSearchValue] = useState('')
   const inputRef = useRef<HTMLInputElement>(null)
@@ -73,30 +66,37 @@ export function TopBar({ onMenuClick }: { onMenuClick?: () => void }) {
         </button>
       )}
 
-      {/* Breadcrumb — left. Editor route ('/dictionaries/$name') получает
-        * augmented breadcrumb с displayName + version (per redesign prototype).
-        * Остальные routes: regular path-based breadcrumb. */}
-      <nav className="flex items-center gap-1.5 text-body min-w-0">
+      {/* Breadcrumb per redesign prototype:
+        *   - Single crumb (catalog): "Справочники" (bold) + "40 шт." count
+        *   - Detail route: "← Справочники / Космические аппараты satellites · v1.0.0"
+        *     с back-arrow prefix на parent crumb (clickable). */}
+      <nav className="flex items-center gap-2 text-body min-w-0">
         {breadcrumb.map((crumb, i) => {
           const isLast = i === breadcrumb.length - 1
+          const isFirstOfTwoPlus = i === 0 && breadcrumb.length > 1
           return (
-            <span key={i} className="flex items-center gap-1.5 min-w-0">
-              {i > 0 && <span className="text-mute text-cell">/</span>}
+            <span key={i} className="flex items-center gap-2 min-w-0">
+              {i > 0 && <span className="text-mute text-title-md font-light">/</span>}
               {crumb.to && !isLast ? (
                 <Link
                   to={crumb.to}
-                  className="text-ink-2 hover:text-ink truncate transition-colors"
+                  className={
+                    isFirstOfTwoPlus
+                      ? 'text-cell text-mute hover:text-ink truncate transition-colors inline-flex items-center gap-1'
+                      : 'text-ink-2 hover:text-ink truncate transition-colors'
+                  }
                 >
+                  {isFirstOfTwoPlus && <span aria-hidden>←</span>}
                   {crumb.label}
                 </Link>
               ) : (
-                <span className={isLast ? 'text-ink font-medium truncate' : 'text-ink-2 truncate'}>
+                <span className={isLast ? 'text-ink font-semibold truncate' : 'text-ink-2 truncate'}>
                   {crumb.label}
                 </span>
               )}
               {/* Editor route: inline mono "<name> · v<version>" after title */}
               {isLast && crumb.subtitle && (
-                <span className="text-mono text-mute shrink-0 ml-2">{crumb.subtitle}</span>
+                <span className="text-mono text-cell text-mute shrink-0 ml-1">{crumb.subtitle}</span>
               )}
             </span>
           )
@@ -115,32 +115,42 @@ export function TopBar({ onMenuClick }: { onMenuClick?: () => void }) {
         />
       </form>
 
-      {/* Right cluster */}
+      {/* Right cluster — minimal per redesign prototype:
+        *   - Lang toggle (single label, click flips)
+        *   - Theme switch (Earth / Dark)
+        *   - AuthBadge (sign-in / user avatar)
+        * Docs link и VersionBadge перенесены в sidebar footer — diagnostic info,
+        * не critical UX. */}
       <div className="md:ml-0 ml-auto flex items-center gap-2 shrink-0">
-        <a
-          href="/docs/"
-          target="_blank"
-          rel="noreferrer noopener"
-          className="hidden sm:inline text-cell text-ink-2 hover:text-ink transition-colors"
-        >
-          {t('nav.docs')}
-        </a>
-        {/* VersionBadge hide на narrow viewport — diagnostic info, не critical UX */}
-        <span className="hidden md:inline-flex">
-          <VersionBadge />
-        </span>
+        <LanguageToggle />
         <ThemeSwitch />
-        <LanguageSwitch
-          value={i18n.language}
-          options={LANG_OPTIONS}
-          onChange={(id) => i18n.changeLanguage(id)}
-        />
         <AuthBadge />
       </div>
     </header>
   )
 }
 
+/**
+ * LanguageToggle — single-button toggle per redesign prototype (показывает
+ * текущий язык как label, click переключает на следующий). Замена tri/dual
+ * radio LanguageSwitch который занимал ~80px горизонтально.
+ */
+function LanguageToggle() {
+  const { i18n } = useTranslation()
+  const cur = i18n.language?.toLowerCase().startsWith('en') ? 'en' : 'ru'
+  const next = cur === 'ru' ? 'en-US' : 'ru-RU'
+  return (
+    <button
+      type="button"
+      onClick={() => i18n.changeLanguage(next)}
+      aria-label={`Language: ${cur.toUpperCase()}, click to switch`}
+      className="h-8 px-3 rounded-md border border-line bg-surface text-cap font-semibold tracking-[0.14em] text-ink-2 hover:bg-surface-2 hover:text-ink transition-colors"
+    >
+      {cur.toUpperCase()}
+    </button>
+  )
+}
+
 type Crumb = { label: string; to?: string; subtitle?: string }
 
 /**