fix: mobile layout and period label translations for quick purchase landing

- Add i18n period labels (ru/en/zh/fa) instead of backend English-only labels
- Period tabs wrap on mobile instead of horizontal scroll
- Prevent horizontal overflow shifting the layout

src/locales/en.json

@@ -3995,6 +3995,24 @@
     "giftSentSuccess": "Gift sent!",
     "giftSentDesc": "Recipient will be notified by email",
     "autoLoginFailed": "Auto-login failed",
-    "autoLoginProcessing": "Signing in..."
+    "autoLoginProcessing": "Signing in...",
+    "periodLabels": {
+      "d1": "1 day",
+      "d2": "2 days",
+      "d3": "3 days",
+      "d5": "5 days",
+      "d7": "1 week",
+      "d14": "2 weeks",
+      "d30": "1 month",
+      "d60": "2 months",
+      "d90": "3 months",
+      "d180": "6 months",
+      "d365": "1 year",
+      "d456": "1 year + 3 mo.",
+      "nDays_one": "{{count}} day",
+      "nDays_other": "{{count}} days",
+      "nMonths_one": "{{count}} month",
+      "nMonths_other": "{{count}} months"
+    }
   }
 }

src/locales/fa.json

@@ -3546,6 +3546,22 @@
     "giftSentSuccess": "هدیه ارسال شد!",
     "giftSentDesc": "گیرنده از طریق ایمیل مطلع خواهد شد",
     "autoLoginFailed": "ورود خودکار ناموفق بود",
-    "autoLoginProcessing": "در حال ورود..."
+    "autoLoginProcessing": "در حال ورود...",
+    "periodLabels": {
+      "d1": "۱ روز",
+      "d2": "۲ روز",
+      "d3": "۳ روز",
+      "d5": "۵ روز",
+      "d7": "۱ هفته",
+      "d14": "۲ هفته",
+      "d30": "۱ ماه",
+      "d60": "۲ ماه",
+      "d90": "۳ ماه",
+      "d180": "۶ ماه",
+      "d365": "۱ سال",
+      "d456": "۱ سال و ۳ ماه",
+      "nDays": "{{count}} روز",
+      "nMonths": "{{count}} ماه"
+    }
   }
 }

src/locales/ru.json

@@ -4554,6 +4554,26 @@
     "giftSentSuccess": "Подарок отправлен!",
     "giftSentDesc": "Получатель получит уведомление на email",
     "autoLoginFailed": "Не удалось выполнить автоматический вход",
-    "autoLoginProcessing": "Выполняется вход..."
+    "autoLoginProcessing": "Выполняется вход...",
+    "periodLabels": {
+      "d1": "1 день",
+      "d2": "2 дня",
+      "d3": "3 дня",
+      "d5": "5 дней",
+      "d7": "1 неделя",
+      "d14": "2 недели",
+      "d30": "1 месяц",
+      "d60": "2 месяца",
+      "d90": "3 месяца",
+      "d180": "6 месяцев",
+      "d365": "1 год",
+      "d456": "1 год + 3 мес.",
+      "nDays_one": "{{count}} день",
+      "nDays_few": "{{count}} дня",
+      "nDays_many": "{{count}} дней",
+      "nMonths_one": "{{count}} месяц",
+      "nMonths_few": "{{count}} месяца",
+      "nMonths_many": "{{count}} месяцев"
+    }
   }
 }

src/locales/zh.json

@@ -3545,6 +3545,22 @@
     "giftSentSuccess": "礼物已发送！",
     "giftSentDesc": "收件人将通过邮件收到通知",
     "autoLoginFailed": "自动登录失败",
-    "autoLoginProcessing": "正在登录..."
+    "autoLoginProcessing": "正在登录...",
+    "periodLabels": {
+      "d1": "1天",
+      "d2": "2天",
+      "d3": "3天",
+      "d5": "5天",
+      "d7": "1周",
+      "d14": "2周",
+      "d30": "1个月",
+      "d60": "2个月",
+      "d90": "3个月",
+      "d180": "6个月",
+      "d365": "1年",
+      "d456": "1年3个月",
+      "nDays": "{{count}}天",
+      "nMonths": "{{count}}个月"
+    }
   }
 }