diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
new file mode 100644
index 0000000..51efb6d
--- /dev/null
+++ b/app/src/main/res/values-ru/strings.xml
@@ -0,0 +1,415 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name"></string>
+    <string name="app_tagline"></string>
+    <!-- Loading / Failure / Success generic strings (used across screens) -->
+    <string name="state_loading"></string>
+    <string name="state_retry"></string>
+    <string name="state_failure_unknown"></string>
+    <string name="state_failure_permission"></string>
+    <string name="state_failure_permission_action"></string>
+    <string name="state_failure_no_calendars"></string>
+    <string name="state_failure_no_calendars_action"></string>
+    <string name="state_failure_provider"></string>
+    <!-- Permission flow (F1) -->
+    <string name="permission_rationale_title"></string>
+    <string name="permission_rationale_body"></string>
+    <string name="permission_request_button"></string>
+    <string name="permission_denied_title"></string>
+    <string name="permission_denied_body"></string>
+    <string name="permission_open_settings_button"></string>
+    <string name="permission_retry_button"></string>
+    <string name="permission_benefit_private_title"></string>
+    <string name="permission_benefit_private_body"></string>
+    <string name="permission_benefit_sync_title"></string>
+    <string name="permission_benefit_sync_body"></string>
+    <string name="permission_benefit_privacy_title"></string>
+    <string name="permission_benefit_privacy_body"></string>
+    <string name="permission_privacy_footnote"></string>
+    <!-- Month view (S1) -->
+    <string name="month_prev"></string>
+    <string name="month_next"></string>
+    <string name="month_today_action"></string>
+    <string name="month_more_actions"></string>
+    <string name="month_open_menu"></string>
+    <string name="month_action_settings"></string>
+    <string name="month_a11y_today_prefix"></string>
+    <!-- Week view (S2) -->
+    <string name="week_today_action"></string>
+    <string name="week_number_label"></string>
+    <!-- Day view (S3) -->
+    <string name="day_today_action"></string>
+    <!-- Event detail screen (S4) -->
+    <string name="event_detail_back"></string>
+    <string name="event_detail_edit"></string>
+    <string name="event_detail_delete"></string>
+    <string name="event_detail_share"></string>
+    <string name="event_share_chooser_title"></string>
+    <string name="event_share_failed"></string>
+    <string name="event_delete_title"></string>
+    <string name="event_delete_body"></string>
+    <string name="event_delete_recurring_title"></string>
+    <string name="event_delete_option_occurrence"></string>
+    <string name="event_delete_option_following"></string>
+    <string name="event_delete_option_series"></string>
+    <string name="event_edit_recurring_title"></string>
+    <string name="event_delete_failed"></string>
+    <string name="event_delete_write_denied"></string>
+    <string name="dialog_cancel"></string>
+    <string name="dialog_ok"></string>
+    <!-- Event form (v1.2 create) -->
+    <string name="event_edit_new_title"></string>
+    <string name="event_edit_close"></string>
+    <string name="event_edit_save"></string>
+    <string name="event_edit_title_hint"></string>
+    <string name="event_edit_starts"></string>
+    <string name="event_edit_ends"></string>
+    <string name="event_edit_error_end_before_start"></string>
+    <string name="event_edit_error_no_calendar"></string>
+    <string name="event_edit_save_failed"></string>
+    <string name="event_edit_write_denied"></string>
+    <string name="event_edit_more_fields"></string>
+    <string name="event_edit_add"></string>
+    <string name="event_edit_add_reminder"></string>
+    <string name="event_edit_remove_reminder"></string>
+    <string name="event_edit_attendees"></string>
+    <string name="event_edit_add_guest"></string>
+    <string name="event_edit_add_guest_hint"></string>
+    <string name="event_edit_add_guest_from_contacts"></string>
+    <string name="event_edit_location_from_contacts"></string>
+    <string name="event_edit_remove_guest"></string>
+    <string name="event_edit_attendee_required"></string>
+    <string name="event_edit_attendee_optional"></string>
+    <string name="event_edit_attendees_note_synced"></string>
+    <string name="event_edit_attendees_note_local"></string>
+    <string name="event_edit_reminder_custom"></string>
+    <string name="reminder_unit_minutes"></string>
+    <string name="reminder_unit_hours"></string>
+    <string name="reminder_unit_days"></string>
+    <string name="reminder_unit_weeks"></string>
+    <string name="event_edit_availability"></string>
+    <string name="event_edit_visibility"></string>
+    <!-- Event form — per-event color -->
+    <string name="event_edit_color"></string>
+    <string name="event_edit_color_default"></string>
+    <string name="event_edit_color_custom"></string>
+    <string name="event_edit_color_reset"></string>
+    <string name="event_edit_color_unsupported"></string>
+    <string name="event_edit_color_unsupported_hint"></string>
+    <string name="event_edit_color_sync_warning"></string>
+    <!-- Event form — save conflict (v2.0) -->
+    <string name="event_edit_conflict_title"></string>
+    <string name="event_edit_conflict_body"></string>
+    <string name="event_edit_conflict_overwrite"></string>
+    <string name="event_edit_conflict_overwrite_hint"></string>
+    <string name="event_edit_conflict_discard"></string>
+    <string name="event_edit_conflict_discard_hint"></string>
+    <string name="event_edit_gone_title"></string>
+    <string name="event_edit_gone_body"></string>
+    <!-- Event form — recurrence picker (v1.3) -->
+    <string name="event_edit_recurrence_none"></string>
+    <string name="event_edit_recurrence_custom"></string>
+    <string name="event_edit_recurrence_every"></string>
+    <string name="recurrence_unit_days"></string>
+    <string name="recurrence_unit_weeks"></string>
+    <string name="recurrence_unit_months"></string>
+    <string name="recurrence_unit_years"></string>
+    <string name="event_edit_recurrence_ends"></string>
+    <string name="event_edit_recurrence_end_never"></string>
+    <string name="event_edit_recurrence_end_until"></string>
+    <string name="event_edit_recurrence_end_count"></string>
+    <string name="event_edit_recurrence_times"></string>
+    <string name="event_edit_error_recurrence_ends_before_start"></string>
+    <string name="event_availability_busy"></string>
+    <string name="event_access_default"></string>
+    <string name="event_access_public"></string>
+    <string name="event_detail_all_day"></string>
+    <string name="event_detail_calendar"></string>
+    <string name="event_detail_calendar_unknown"></string>
+    <string name="event_detail_location"></string>
+    <string name="event_detail_description"></string>
+    <string name="event_detail_attendees"></string>
+    <string name="event_detail_recurrence"></string>
+    <string name="event_detail_recurring"></string>
+    <string name="recurrence_daily"></string>
+    <string name="recurrence_weekly"></string>
+    <string name="recurrence_monthly"></string>
+    <string name="recurrence_yearly"></string>
+    <string name="recurrence_every_n_days"></string>
+    <string name="recurrence_every_n_weeks"></string>
+    <string name="recurrence_every_n_months"></string>
+    <string name="recurrence_every_n_years"></string>
+    <string name="recurrence_on_days"></string>
+    <string name="recurrence_with_until"></string>
+    <string name="recurrence_with_count"></string>
+    <string name="event_detail_not_found"></string>
+    <string name="event_attendee_accepted"></string>
+    <string name="event_attendee_declined"></string>
+    <string name="event_attendee_tentative"></string>
+    <string name="event_attendee_needs_action"></string>
+    <string name="event_attendee_unknown"></string>
+    <!-- Event detail — full read (v0.6) -->
+    <string name="event_detail_reminders"></string>
+    <string name="event_detail_timezone"></string>
+    <string name="event_status_tentative"></string>
+    <string name="event_status_cancelled"></string>
+    <string name="event_availability_free"></string>
+    <string name="event_access_private"></string>
+    <string name="event_access_confidential"></string>
+    <string name="event_attendee_organizer"></string>
+    <string name="event_attendee_optional"></string>
+    <string name="event_attendee_resource"></string>
+    <string name="event_detail_self_response"></string>
+    <string name="reminder_at_time"></string>
+    <string name="reminder_default"></string>
+    <plurals name="reminder_minutes">
+    </plurals>
+    <plurals name="reminder_hours">
+    </plurals>
+    <plurals name="reminder_days">
+    </plurals>
+    <plurals name="reminder_weeks">
+    </plurals>
+    <!-- Plain durations (no "before"), e.g. the snooze delay. -->
+    <plurals name="duration_minutes">
+    </plurals>
+    <plurals name="duration_hours">
+    </plurals>
+    <plurals name="duration_days">
+    </plurals>
+    <plurals name="duration_weeks">
+    </plurals>
+    <!-- Shared event strings -->
+    <string name="event_untitled"></string>
+    <!-- Reminder notifications (v1.4) -->
+    <string name="reminder_channel_name"></string>
+    <string name="reminder_channel_description"></string>
+    <string name="reminder_onboarding_title"></string>
+    <string name="reminder_onboarding_body"></string>
+    <string name="reminder_benefit_delivery_title"></string>
+    <string name="reminder_benefit_delivery_body"></string>
+    <string name="reminder_benefit_duplicates_title"></string>
+    <string name="reminder_benefit_duplicates_body"></string>
+    <string name="reminder_benefit_reversible_title"></string>
+    <string name="reminder_benefit_reversible_body"></string>
+    <string name="reminder_onboarding_enable_button"></string>
+    <string name="reminder_onboarding_skip_button"></string>
+    <string name="reminder_action_snooze"></string>
+    <string name="reminder_action_dismiss"></string>
+    <!-- View switcher (M1) -->
+    <string name="view_month"></string>
+    <string name="view_week"></string>
+    <string name="view_day"></string>
+    <string name="view_agenda"></string>
+    <string name="view_section"></string>
+    <!-- Jump to date (drawer) -->
+    <string name="drawer_jump_to_date"></string>
+    <!-- Agenda view -->
+    <string name="agenda_today_action"></string>
+    <string name="agenda_header_today"></string>
+    <string name="agenda_header_tomorrow"></string>
+    <string name="agenda_empty_title"></string>
+    <!-- Event search -->
+    <string name="search_action"></string>
+    <string name="search_hint"></string>
+    <string name="search_back"></string>
+    <string name="search_clear"></string>
+    <string name="search_idle_hint"></string>
+    <string name="search_empty"></string>
+    <!-- Home-screen widgets -->
+    <string name="widget_agenda_title"></string>
+    <string name="widget_agenda_label"></string>
+    <string name="widget_month_label"></string>
+    <string name="widget_refresh"></string>
+    <string name="widget_new_event"></string>
+    <string name="widget_needs_permission"></string>
+    <string name="widget_prev_month"></string>
+    <string name="widget_next_month"></string>
+    <string name="widget_today"></string>
+    <!-- Calendar filter (M3) -->
+    <string name="filter_title"></string>
+    <!-- Settings (M4) -->
+    <string name="settings_title"></string>
+    <string name="settings_back"></string>
+    <string name="settings_section_appearance"></string>
+    <string name="settings_theme"></string>
+    <string name="settings_theme_system"></string>
+    <string name="settings_theme_light"></string>
+    <string name="settings_theme_dark"></string>
+    <string name="settings_default_view"></string>
+    <string name="settings_dynamic_color"></string>
+    <string name="settings_dynamic_color_unavailable"></string>
+    <string name="settings_week_start"></string>
+    <string name="settings_week_start_auto"></string>
+    <string name="settings_time_format"></string>
+    <string name="settings_time_format_auto"></string>
+    <string name="settings_time_format_12h"></string>
+    <string name="settings_time_format_24h"></string>
+    <string name="settings_hour_lines"></string>
+    <string name="settings_hour_lines_summary"></string>
+    <string name="settings_dim_completed"></string>
+    <string name="settings_dim_completed_summary"></string>
+    <string name="settings_past_events"></string>
+    <string name="settings_past_events_show"></string>
+    <string name="settings_past_events_dim"></string>
+    <string name="settings_past_events_hide"></string>
+    <string name="settings_agenda_header"></string>
+    <string name="settings_agenda_range"></string>
+    <string name="settings_agenda_range_hint"></string>
+    <string name="settings_agenda_widget_range"></string>
+    <string name="settings_agenda_widget_range_hint"></string>
+    <string name="settings_agenda_range_bar"></string>
+    <string name="settings_agenda_range_bar_hint"></string>
+    <string name="agenda_range_day"></string>
+    <string name="agenda_range_this_week"></string>
+    <string name="agenda_range_this_month"></string>
+    <string name="agenda_range_week"></string>
+    <string name="agenda_range_month"></string>
+    <string name="agenda_range_custom"></string>
+    <string name="agenda_range_custom_hint"></string>
+    <string name="agenda_range_override_hint"></string>
+    <string name="agenda_range_showing_label"></string>
+    <plurals name="agenda_range_days">
+    </plurals>
+    <string name="settings_section_event_form"></string>
+    <string name="settings_form_fields_hint"></string>
+    <string name="settings_autofocus_title"></string>
+    <string name="settings_autofocus_title_hint"></string>
+    <string name="settings_color_unsupported"></string>
+    <string name="settings_color_unsupported_hint"></string>
+    <string name="settings_section_notifications"></string>
+    <string name="settings_reminders"></string>
+    <string name="settings_reminders_hint"></string>
+    <string name="settings_default_reminder"></string>
+    <string name="settings_default_reminder_allday"></string>
+    <string name="settings_allday_reminder_time"></string>
+    <string name="settings_allday_reminder_time_hint"></string>
+    <string name="reminder_none"></string>
+    <string name="reminder_use_default"></string>
+    <string name="reminder_custom_amount"></string>
+    <string name="reminder_custom_with_value"></string>
+    <string name="reminder_custom_set"></string>
+    <string name="settings_calendar_reminders_title"></string>
+    <string name="settings_calendar_reminders_hint"></string>
+    <string name="settings_calendar_reminder_inherits"></string>
+    <string name="settings_reliable_delivery"></string>
+    <string name="settings_reliable_delivery_hint"></string>
+    <string name="settings_reliable_delivery_exempt"></string>
+    <string name="settings_snooze_duration"></string>
+    <string name="settings_section_calendars"></string>
+    <string name="settings_manage_calendars"></string>
+    <string name="settings_manage_calendars_hint"></string>
+    <string name="settings_section_language"></string>
+    <string name="settings_language"></string>
+    <string name="settings_language_auto"></string>
+    <string name="settings_translate"></string>
+    <string name="settings_translate_hint"></string>
+    <!-- Hub category subtitles -->
+    <string name="settings_appearance_subtitle"></string>
+    <string name="settings_event_form_subtitle"></string>
+    <string name="settings_notifications_subtitle"></string>
+    <string name="settings_section_about"></string>
+    <string name="settings_license"></string>
+    <string name="settings_license_value"></string>
+    <string name="settings_about_author"></string>
+    <string name="settings_about_source"></string>
+    <string name="settings_about_support"></string>
+    <string name="settings_about_version"></string>
+    <string name="settings_about_logo_desc"></string>
+    <string name="settings_report_problem"></string>
+    <string name="settings_report_problem_hint"></string>
+    <!-- Calendar manager -->
+    <string name="calendars_title"></string>
+    <string name="calendars_local_header"></string>
+    <string name="calendars_local_empty"></string>
+    <string name="calendars_add"></string>
+    <string name="calendars_disable_hint"></string>
+    <string name="calendars_show_in_app_a11y"></string>
+    <string name="calendars_synced_header"></string>
+    <string name="calendars_synced_hint"></string>
+    <string name="calendars_manage_in_app"></string>
+    <string name="calendars_account_menu_a11y"></string>
+    <string name="calendars_enable_all"></string>
+    <string name="calendars_disable_all"></string>
+    <string name="calendars_add_account"></string>
+    <string name="calendars_new_title"></string>
+    <string name="calendars_edit_title"></string>
+    <string name="calendars_name_label"></string>
+    <string name="calendars_color_label"></string>
+    <string name="calendars_description_hint"></string>
+    <string name="calendars_delete_confirm_title"></string>
+    <string name="calendars_delete_confirm_message"></string>
+    <string name="calendars_write_error"></string>
+    <!-- Backup (whole-calendar .ics export) -->
+    <string name="calendars_backup_header"></string>
+    <string name="calendars_backup_hint"></string>
+    <string name="calendars_backup_action"></string>
+    <string name="calendars_auto_backup"></string>
+    <string name="calendars_auto_backup_hint"></string>
+    <string name="calendars_auto_backup_folder"></string>
+    <string name="calendars_auto_backup_folder_unset"></string>
+    <string name="calendars_auto_backup_interval"></string>
+    <string name="calendars_auto_backup_every"></string>
+    <string name="calendars_auto_backup_interval_min"></string>
+    <string name="calendars_auto_backup_status_never"></string>
+    <string name="calendars_auto_backup_status_ok"></string>
+    <string name="calendars_auto_backup_status_failed"></string>
+    <string name="backup_channel_name"></string>
+    <string name="backup_channel_description"></string>
+    <string name="backup_failed_title"></string>
+    <string name="backup_failed_text"></string>
+    <string-array name="backup_interval_units">
+        <item>Minutes</item>
+        <item>Hours</item>
+        <item>Days</item>
+        <item>Weeks</item>
+    </string-array>
+    <string name="calendars_backup_failed"></string>
+    <plurals name="calendars_backup_done">
+    </plurals>
+    <!-- Import (.ics) -->
+    <string name="import_title"></string>
+    <string name="import_target_header"></string>
+    <string name="import_empty"></string>
+    <string name="import_failed"></string>
+    <string name="import_no_calendar"></string>
+    <string name="import_done_title"></string>
+    <string name="import_close"></string>
+    <string name="import_warning_recurrence"></string>
+    <string name="import_warning_no_start"></string>
+    <string name="import_warning_attendees"></string>
+    <string name="import_warning_timezone"></string>
+    <plurals name="import_event_count">
+    </plurals>
+    <plurals name="import_action">
+    </plurals>
+    <plurals name="import_done_imported">
+    </plurals>
+    <plurals name="import_done_skipped">
+    </plurals>
+    <!-- Launcher long-press shortcuts -->
+    <string name="shortcut_new_event_short"></string>
+    <string name="shortcut_new_event_long"></string>
+    <!-- Quick Settings tile -->
+    <string name="qs_tile_new_event_label"></string>
+    <string name="settings_qs_tile"></string>
+    <string name="settings_qs_tile_hint"></string>
+    <string name="about_source_url" translatable="false"></string>
+    <string name="about_license_url" translatable="false"></string>
+    <string name="about_support_url" translatable="false"></string>
+    <string name="about_translate_url" translatable="false"></string>
+    <!-- Crash reporting: a captured report the user can submit, by hand, as a
+         Gitea issue (the app sends nothing automatically). -->
+    <string name="crash_dialog_title"></string>
+    <string name="crash_dialog_message"></string>
+    <string name="crash_dialog_report"></string>
+    <string name="crash_dialog_dismiss"></string>
+    <string name="crash_report_issue_title"></string>
+    <string name="crash_report_clip_label"></string>
+    <string name="crash_report_copied"></string>
+    <string name="crash_report_open_failed"></string>
+    <string name="crash_report_body_template"></string>
+    <string name="crash_report_body_paste"></string>
+    <string name="report_issue_url" translatable="false"></string>
+    <string name="report_issue_choose_url" translatable="false"></string>
+</resources>