feat: streamline admin tariff settings

locales/en.json

@@ -1305,6 +1305,43 @@
   "admin_tariffs_stat_disabled": "Disabled",
   "admin_tariffs_stat_disabled_hint": "Hidden from showcase",
   "admin_tariffs_catalog_empty": "The catalog is empty. Add your first tariff; a catalog JSON file will be created after saving.",
+  "admin_tariffs_trial_title": "Trial access",
+  "admin_tariffs_trial_subtitle": "Configure trial duration, traffic limit, and Remnawave squads from the tariff page.",
+  "admin_tariffs_trial_enabled": "Trial enabled",
+  "admin_tariffs_trial_days": "Duration, days",
+  "admin_tariffs_trial_traffic": "Traffic limit, GB",
+  "admin_tariffs_trial_strategy": "Traffic reset strategy",
+  "admin_tariffs_trial_squads": "Trial Internal Squads",
+  "admin_tariffs_trial_squads_hint": "These squads are applied when trial is activated. Empty value falls back to USER_SQUAD_UUIDS.",
+  "admin_tariffs_trial_add_squad": "Add squad from panel",
+  "admin_tariffs_legacy_title": "Legacy tariff compatibility",
+  "admin_tariffs_legacy_subtitle": "Old remnawave-tg-shop periods and traffic packages used only when the JSON tariff catalog is not configured.",
+  "admin_tariffs_legacy_period": "Period",
+  "admin_tariffs_legacy_enabled": "Enabled",
+  "admin_tariffs_legacy_traffic_packages": "Traffic packages",
+  "admin_tariffs_legacy_stars_traffic_packages": "Traffic packages, Stars",
+  "admin_tariffs_legacy_traffic_hint": "Format: 10:199,50:799",
+  "admin_tariff_tab_general": "General",
+  "admin_tariff_tab_pricing": "Prices",
+  "admin_tariff_tab_topup": "Top-ups",
+  "admin_tariff_tab_premium": "Premium",
+  "admin_tariff_tab_hwid": "Devices",
+  "admin_payment_rub": "Ruble payments",
+  "admin_payment_stars": "Telegram Stars payments",
+  "admin_appearance_theme_accent": "Accent",
+  "admin_settings_icon_empty": "Default icon",
+  "admin_settings_icon_default_value": "Default: {icon}",
+  "admin_settings_icon_picker_title": "Choose icon",
+  "admin_settings_icon_current": "Current icon",
+  "admin_settings_icon_use_default": "Use default",
+  "admin_search": "Search",
+  "admin_clear": "Clear",
+  "admin_save": "Save",
+  "admin_saving": "Saving...",
+  "admin_tariff_placeholder_name_en": "Standard",
+  "admin_tariff_placeholder_desc_en": "Base server pool",
+  "admin_tariff_placeholder_premium_name_en": "Premium servers",
+  "admin_tariff_label_premium_squads": "Premium Internal Squads",
   "admin_themes_catalog_title": "Web App themes",
   "admin_themes_catalog_sub": "Select the current theme from a card; edit appearance through files in the theme folder",
   "admin_themes_use_primary_accent": "Use primary accent color",