chore: improve tariff admin layout

locales/en.json

@@ -1233,6 +1233,7 @@
   "admin_status_limited": "Limited",
   "admin_status_expired": "Expired",
   "admin_status_disabled": "Disabled",
+  "admin_status_not_configured": "Not configured",
   "admin_status_bot_only": "Bot Only",
   "admin_user_detail_title": "User #{id}",
   "admin_user_avatar_open": "Open avatar",
@@ -1980,6 +1981,9 @@
   "admin_tariff_btn_period": "Period",
   "admin_tariff_create_subtitle": "The catalog will be saved to JSON after confirmation",
   "admin_tariff_create_title": "New tariff",
+  "admin_tariff_currency_supported": "Available",
+  "admin_tariff_currency_unsupported": "Blocked",
+  "admin_tariff_default_currency": "Payment currency",
   "admin_tariff_default_updated": "Default tariff updated",
   "admin_tariff_delete_subtitle": "Tariff {key} will disappear from the sales catalog.",
   "admin_tariff_delete_title": "Delete tariff?",
@@ -2026,6 +2030,8 @@
   "admin_tariff_premium_subhead": "Premium squads give the user access to faster/premium nodes; their traffic is counted separately from main traffic so it can be limited or sold separately",
   "admin_tariff_premium_topup_subtitle": "Packages that extend the monthly premium limit when the user runs out",
   "admin_tariff_premium_topup_title": "Premium traffic top-up",
+  "admin_tariff_provider_any_currency": "Any",
+  "admin_tariff_provider_not_declared": "Not declared",
   "admin_tariff_pricing_empty": "Add at least one period so the tariff appears in the storefront.",
   "admin_tariff_pricing_period_subtitle": "Each row is a separate storefront option: how many months the user pays for and how much it costs",
   "admin_tariff_pricing_period_title": "Subscription periods and prices",
@@ -2037,6 +2043,16 @@
   "admin_tariff_topup_title": "Traffic top-up over the monthly limit",
   "admin_tariff_topup_traffic_hint": "For the traffic model, separate top-ups are not needed: packages configured on the Prices tab are the top-ups users can buy again as they run out.",
   "admin_tariff_visible": "Tariff is visible in the storefront",
+  "admin_tariffs_catalog_subtitle": "Periods, prices, traffic, and user access.",
+  "admin_tariffs_currency_current": "Current currency",
+  "admin_tariffs_currency_subtitle": "Tariff prices and payment providers are checked against this currency.",
+  "admin_tariffs_currency_title": "Catalog currency",
+  "admin_tariffs_provider_available_count": "Available: {count}",
+  "admin_tariffs_provider_blocked_count": "Unsupported: {count}",
+  "admin_tariffs_provider_empty": "Provider data has not been loaded yet.",
+  "admin_tariffs_provider_enabled_count": "Enabled: {count}",
+  "admin_tariffs_provider_subtitle": "Shows which providers can accept the current catalog currency.",
+  "admin_tariffs_provider_title": "Payment providers",
   "admin_tariffs_save_failed": "Failed to save tariffs",
   "admin_tariffs_saved": "Tariffs saved",
   "admin_tariffs_title": "Tariff catalog",