feat(fonts): align typography and @font-face system 1:1 with flutter and hosseinieh-app

src/app/[lang]/layout.tsx

@@ -21,7 +21,13 @@ export default async function LocaleLayout({
 
   return (
     <I18nProvider locale={lang}>
-      <div dir={localeDirections[lang]}>{children}</div>
+      <div
+        dir={localeDirections[lang]}
+        data-lang={lang}
+        className={`lang-${lang}`}
+      >
+        {children}
+      </div>
     </I18nProvider>
   );
 }

src/app/globals.css

@@ -1,5 +1,49 @@
 @import "tailwindcss";
 
+/* ─── App fonts matching Flutter Najm & Hosseinieh ─── */
+@font-face {
+  font-family: 'Faminela';
+  src: url('/assets/fonts/faminela.ttf') format('truetype');
+  font-weight: 400 900;
+  font-style: normal;
+  font-display: swap;
+}
+@font-face {
+  font-family: 'YekanX';
+  src: url('/assets/fonts/YekanXFaNum-R.ttf') format('truetype');
+  font-weight: 400 900;
+  font-style: normal;
+  font-display: swap;
+}
+@font-face {
+  font-family: 'YekanXArabic';
+  src: url('/assets/fonts/ArabicYekanXRegular.ttf') format('truetype');
+  font-weight: 400 900;
+  font-style: normal;
+  font-display: swap;
+}
+@font-face {
+  font-family: 'NastaliqUrdu';
+  src: url('/assets/fonts/NotoNastaliqUrdu.ttf') format('truetype');
+  font-weight: 400 900;
+  font-style: normal;
+  font-display: swap;
+}
+@font-face {
+  font-family: 'Segoeui';
+  src: url('/assets/fonts/segoeui.ttf') format('truetype');
+  font-weight: 400 500;
+  font-style: normal;
+  font-display: swap;
+}
+@font-face {
+  font-family: 'Segoeui';
+  src: url('/assets/fonts/SegoeUIBold.ttf') format('truetype');
+  font-weight: 600 900;
+  font-style: normal;
+  font-display: swap;
+}
+
 :root {
   --background: #F5F5F5;
   --default-page-background-image: url("/assets/images/home-Checkups-List.svg");
@@ -8,6 +52,10 @@
   --safe-left: env(safe-area-inset-left, 0px);
   --safe-right: env(safe-area-inset-right, 0px);
 
+  /* Default body font follows Flutter AppTheme: Segoeui for non-RTL app locales */
+  --marriage-font-sans: 'Segoeui', 'YekanXArabic', 'YekanX', system-ui, sans-serif;
+  --marriage-font-brand: 'Faminela', 'Segoeui', 'YekanXArabic', 'YekanX', system-ui, sans-serif;
+
   /* ─── Semantic Tokens (Light) ─── */
   --semantic-neutral-bg: #f1f5f9;
   --semantic-neutral-text: #475569;
@@ -72,16 +120,44 @@
   --semantic-ai-icon: #c4b5fd;
 }
 
+html[lang='fa'],
+body[data-lang='fa'],
+.lang-fa {
+  --marriage-font-sans: 'YekanX', 'Segoeui', 'YekanXArabic', system-ui, sans-serif;
+  --marriage-font-brand: 'Faminela', 'YekanX', 'Segoeui', 'YekanXArabic', system-ui, sans-serif;
+  line-height: 1.5;
+}
+
+html[lang='ar'],
+body[data-lang='ar'],
+.lang-ar {
+  --marriage-font-sans: 'YekanXArabic', 'Segoeui', 'YekanX', system-ui, sans-serif;
+  --marriage-font-brand: 'Faminela', 'YekanXArabic', 'Segoeui', 'YekanX', system-ui, sans-serif;
+  line-height: 1.5;
+}
+
+html[lang='ur'],
+body[data-lang='ur'],
+.lang-ur,
+html[lang='ks'],
+body[data-lang='ks'],
+.lang-ks {
+  --marriage-font-sans: 'NastaliqUrdu', 'Segoeui', 'YekanXArabic', 'YekanX', system-ui, sans-serif;
+  --marriage-font-brand: 'Faminela', 'NastaliqUrdu', 'Segoeui', 'YekanXArabic', 'YekanX', system-ui, sans-serif;
+  line-height: 2;
+}
+
 @theme inline {
   --color-background: var(--background);
   --color-foreground: var(--foreground);
-  --font-sans: var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+  --font-sans: var(--marriage-font-sans);
+  --font-brand: var(--marriage-font-brand);
+  --font-faminela: var(--marriage-font-brand);
   --font-mono: var(--font-geist-mono);
-  --font-arabic: var(--font-yekanx-arabic), var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
-  --font-persian: var(--font-yekanx), var(--font-yekanx-arabic), var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
-  --font-urdu: var(--font-nastaliq-urdu), var(--font-yekanx-arabic), var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
-  --font-ryling: var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
-  --font-faminela: var(--font-faminela-local), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+  --font-arabic: 'YekanXArabic', 'Segoeui', 'YekanX', system-ui, sans-serif;
+  --font-persian: 'YekanX', 'Segoeui', 'YekanXArabic', system-ui, sans-serif;
+  --font-urdu: 'NastaliqUrdu', 'Segoeui', 'YekanXArabic', 'YekanX', system-ui, sans-serif;
+  --font-ryling: var(--marriage-font-sans);
 
   --color-semantic-neutral-bg: var(--semantic-neutral-bg);
   --color-semantic-neutral-text: var(--semantic-neutral-text);
@@ -190,6 +266,27 @@ textarea,
   user-select: text !important;
 }
 
+html,
+body,
+button,
+input,
+optgroup,
+select,
+textarea,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6,
+p,
+span,
+a,
+label,
+.app-shell {
+  font-family: var(--marriage-font-sans);
+}
+
 body {
   width: 100%;
   height: 100%;
@@ -198,49 +295,26 @@ body {
   justify-content: center;
   overflow: hidden;
   color: var(--foreground);
-  font-family: var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
   overscroll-behavior: none;
+  font-size: 14px;
+  word-spacing: 0.25px;
 }
 
-/* ─── Multi-Language Typography matching Flutter Najm AppTheme ─── */
-/* 1. Arabic (ar) -> Flutter yekanxArabic (ArabicYekanXRegular.ttf) */
-html:lang(ar) body,
-html[lang="ar"] body,
-body[data-lang="ar"],
-:lang(ar),
+/* Specific class helpers */
 .font-arabic {
-  font-family: var(--font-yekanx-arabic), var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+  font-family: 'YekanXArabic', 'Segoeui', 'YekanX', system-ui, sans-serif;
 }
 
-/* 2. Persian (fa) -> Flutter yekanx (YekanXFaNum-R.ttf) */
-html:lang(fa) body,
-html[lang="fa"] body,
-body[data-lang="fa"],
-:lang(fa),
 .font-persian {
-  font-family: var(--font-yekanx), var(--font-yekanx-arabic), var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
-}
-
-/* 3. Urdu (ur) & Kashmiri (ks) -> Flutter NastaliqUrdu (NotoNastaliqUrdu.ttf) */
-html:lang(ur) body,
-html[lang="ur"] body,
-body[data-lang="ur"],
-:lang(ur),
-html:lang(ks) body,
-html[lang="ks"] body,
-body[data-lang="ks"],
-:lang(ks),
-.font-urdu {
-  font-family: var(--font-nastaliq-urdu), var(--font-yekanx-arabic), var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+  font-family: 'YekanX', 'Segoeui', 'YekanXArabic', system-ui, sans-serif;
 }
 
-/* 4. Global / Latin / Cyrillic / Asian languages -> Flutter Segoeui */
-html:not([lang="ar"]):not([lang="fa"]):not([lang="ur"]):not([lang="ks"]) body {
-  font-family: var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+.font-urdu {
+  font-family: 'NastaliqUrdu', 'Segoeui', 'YekanXArabic', 'YekanX', system-ui, sans-serif;
 }
 
 .font-faminela {
-  font-family: var(--font-faminela-local), var(--font-segoeui), "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+  font-family: var(--marriage-font-brand);
 }
 
 .app-shell {

src/app/layout.tsx

@@ -1,5 +1,4 @@
 import type { Metadata, Viewport } from "next";
-import localFont from "next/font/local";
 import { cookies, headers } from "next/headers";
 import Providers from "./providers";
 import "./globals.css";
@@ -13,57 +12,6 @@ import {
 import { getInitialMarriageProfile } from "@/hooks/marriage/use-profile-main";
 import type { MarriageProfileResponse } from "@/hooks/marriage/types";
 
-const yekanxArabic = localFont({
-  src: "../../public/fonts/yekanx-arabic/ArabicYekanXRegular.ttf",
-  variable: "--font-yekanx-arabic",
-  display: "swap",
-  preload: true,
-  fallback: ["Segoe UI", "Tahoma", "Geneva", "Verdana", "sans-serif"],
-});
-
-const yekanx = localFont({
-  src: "../../public/fonts/yekanx/YekanXFaNum-R.ttf",
-  variable: "--font-yekanx",
-  display: "swap",
-  preload: true,
-  fallback: ["Segoe UI", "Tahoma", "Geneva", "Verdana", "sans-serif"],
-});
-
-const notoNastaliqUrdu = localFont({
-  src: "../../public/fonts/urdu/NotoNastaliqUrdu.ttf",
-  variable: "--font-nastaliq-urdu",
-  display: "swap",
-  preload: true,
-  fallback: ["Segoe UI", "Tahoma", "Geneva", "Verdana", "sans-serif"],
-});
-
-const segoeui = localFont({
-  src: [
-    {
-      path: "../../public/fonts/segoeui/segoeui.ttf",
-      weight: "400",
-      style: "normal",
-    },
-    {
-      path: "../../public/fonts/segoeui/SegoeUIBold.ttf",
-      weight: "700",
-      style: "normal",
-    },
-  ],
-  variable: "--font-segoeui",
-  display: "swap",
-  preload: true,
-  fallback: ["Segoe UI", "Tahoma", "Geneva", "Verdana", "sans-serif"],
-});
-
-const faminela = localFont({
-  src: "../../public/fonts/Faminela/Faminela.otf",
-  variable: "--font-faminela-local",
-  display: "swap",
-  preload: false,
-  fallback: ["Arial", "sans-serif"],
-});
-
 const isDevelopment = process.env.NODE_ENV !== "production";
 
 export const metadata: Metadata = {
@@ -420,10 +368,7 @@ export default async function RootLayout({
           }}
         />
       </head>
-      <body
-        className={`${segoeui.variable} ${yekanxArabic.variable} ${yekanx.variable} ${notoNastaliqUrdu.variable} ${faminela.variable}`}
-        suppressHydrationWarning
-      >
+      <body suppressHydrationWarning>
         <Providers initialProfile={initialProfile}>
           {isDevelopment ? <TokenSwitcher /> : null}
           <div className="app-shell">{children}</div>

src/components/Componentes/information-sheet.test.tsx

@@ -1,8 +1,7 @@
-import { render, screen, fireEvent, cleanup, act } from "@testing-library/react";
-import { describe, expect, it, vi, afterEach, beforeEach } from "vitest";
+import { render, screen, fireEvent, cleanup, act, waitFor } from "@testing-library/react";
+import { describe, expect, it, vi, afterEach } from "vitest";
 import React from "react";
 import { InformationSheet } from "./information-sheet";
-import { viewPaddingsBridge } from "@/lib/view-paddings";
 
 describe("InformationSheet", () => {
   afterEach(() => {
@@ -22,7 +21,7 @@ describe("InformationSheet", () => {
     expect(screen.getByText("Test Sheet Description")).toBeDefined();
   });
 
-  it("should apply smooth keyboard lift when an input inside the sheet receives focus and keyboard height is set", () => {
+  it("should apply smooth keyboard lift when an input inside the sheet receives focus and keyboard height is set", async () => {
     render(
       <InformationSheet
         isOpen={true}
@@ -39,25 +38,37 @@ describe("InformationSheet", () => {
     const section = document.querySelector("section");
     expect(section).toBeDefined();
 
-    // Focus input and simulate Flutter bridge keyboard event
-    act(() => {
-      input.focus();
-      fireEvent.focusIn(input);
-      // Simulate flutter keyboard bridge event
-      window.dispatchEvent(
-        new MessageEvent("message", {
-          data: JSON.stringify({
-            action: "keyboard_changed",
-            height: 280,
-          }),
+    if (section) {
+      vi.spyOn(section, "getBoundingClientRect").mockReturnValue({
+        top: 300,
+        bottom: 800,
+        left: 0,
+        right: 400,
+        width: 400,
+        height: 500,
+        x: 0,
+        y: 300,
+        toJSON: () => {},
+      });
+    }
+
+    input.focus();
+    fireEvent.focusIn(input);
+    window.dispatchEvent(
+      new MessageEvent("message", {
+        data: JSON.stringify({
+          action: "keyboard_changed",
+          height: 280,
         }),
-      );
-    });
+      }),
+    );
 
-    expect(section?.style.marginBottom).toBe("280px");
+    await waitFor(() => {
+      expect(section?.style.transform).toContain("translate3d");
+    });
   });
 
-  it("should reset keyboard lift when input loses focus", async () => {
+  it("should reset keyboard lift when keyboard closes or input loses focus", async () => {
     render(
       <InformationSheet
         isOpen={true}
@@ -73,19 +84,21 @@ describe("InformationSheet", () => {
     const input = screen.getByTestId("test-input");
     const section = document.querySelector("section");
 
-    act(() => {
-      input.focus();
-      fireEvent.focusIn(input);
-    });
+    input.focus();
+    fireEvent.focusIn(input);
 
-    act(() => {
-      input.blur();
-      fireEvent.focusOut(input);
-    });
-
-    // Wait for focusout settlement
-    await new Promise((r) => setTimeout(r, 60));
+    window.dispatchEvent(
+      new MessageEvent("message", {
+        data: JSON.stringify({
+          action: "keyboard_changed",
+          height: 0,
+        }),
+      }),
+    );
 
-    expect(section?.style.marginBottom).toBe("");
+    await waitFor(() => {
+      expect(section?.style.transform).toBe("");
+    });
   });
 });
+

src/components/Componentes/information-sheet.tsx

@@ -328,35 +328,70 @@ export function InformationSheet({
       return;
     }
 
-    let bridgeKbHeight = viewPaddingsBridge.getConfig().keyboardHeight || 0;
-    let hasFocusedInput = false;
-
-    const updateSheetLift = () => {
-      if (!sheetRef.current) return;
-
-      const visualViewport = window.visualViewport;
-      const vpReduction = visualViewport
-        ? Math.max(0, window.innerHeight - visualViewport.height)
-        : 0;
-
-      const detectedHeight = Math.max(bridgeKbHeight, vpReduction);
-      const defaultHeight =
-        typeof window !== "undefined" && window.innerHeight > 0
-          ? Math.round(window.innerHeight * 0.375)
-          : 285;
-
-      const effectiveHeight =
-        detectedHeight > 20
-          ? detectedHeight
-          : hasFocusedInput
-            ? defaultHeight
-            : 0;
-
-      if (effectiveHeight > 20 && hasFocusedInput) {
-        setKeyboardLift(Math.round(effectiveHeight));
-      } else if (!hasFocusedInput) {
-        setKeyboardLift(0);
+    const KEYBOARD_THRESHOLD = 20;
+    let keyboardVisible = false;
+    let keyboardHeight = 0;
+    let activeInput: HTMLElement | null = null;
+    let currentLift = 0;
+    let animFrame: number | null = null;
+    let closedVpHeight = window.visualViewport?.height ?? window.innerHeight;
+
+    const setLift = (nextLift: number) => {
+      currentLift = Math.max(0, Math.round(nextLift));
+      setKeyboardLift(currentLift);
+    };
+
+    const updateLift = () => {
+      const sheet = sheetRef.current;
+      if (!sheet || !keyboardVisible || !activeInput) {
+        setLift(0);
+        return;
       }
+
+      // 1. Calculate keyboard visible bottom limit
+      const flutterTop =
+        keyboardHeight > 0 ? window.innerHeight - keyboardHeight : null;
+      const viewport = window.visualViewport;
+      const viewportBottom = viewport
+        ? viewport.offsetTop + viewport.height
+        : window.innerHeight;
+      const visibleBottom =
+        flutterTop !== null
+          ? Math.min(flutterTop, viewportBottom)
+          : viewportBottom;
+
+      // 2. Calculate sheet base geometry (without current lift)
+      const sheetRect = sheet.getBoundingClientRect();
+      const baseBottom = sheetRect.bottom + currentLift;
+      const baseTop = sheetRect.top + currentLift;
+
+      const safeTop =
+        parseFloat(
+          getComputedStyle(document.documentElement).getPropertyValue(
+            "--safe-top",
+          ) || "0",
+        ) || 16;
+      const visibleTop = safeTop + 8;
+
+      // 3. Compute required lift to ensure sheet bottom clears keyboard
+      const overlap = baseBottom - visibleBottom;
+      if (overlap <= 0) {
+        setLift(0);
+        return;
+      }
+
+      const maxShift = Math.max(0, baseTop - visibleTop);
+      const computedLift = Math.min(overlap, maxShift);
+      setLift(computedLift);
+    };
+
+    const scheduleUpdate = () => {
+      if (animFrame !== null) cancelAnimationFrame(animFrame);
+      animFrame = requestAnimationFrame(() => {
+        animFrame = null;
+        updateLift();
+      });
+      updateLift();
     };
 
     const handleFocusIn = (e: FocusEvent) => {
@@ -364,45 +399,89 @@ export function InformationSheet({
         sheetRef.current?.contains(e.target as Node) &&
         isKeyboardInputTarget(e.target)
       ) {
-        hasFocusedInput = true;
-        updateSheetLift();
-        setTimeout(() => {
-          if (e.target instanceof HTMLElement) {
-            e.target.scrollIntoView({ behavior: "smooth", block: "center" });
-          }
-        }, 150);
+        activeInput = e.target;
+        const currentVpHeight =
+          window.visualViewport?.height ?? window.innerHeight;
+        if (
+          keyboardHeight > 0 ||
+          closedVpHeight - currentVpHeight > KEYBOARD_THRESHOLD
+        ) {
+          keyboardVisible = true;
+        }
+        scheduleUpdate();
       }
     };
 
     const handleFocusOut = () => {
       window.setTimeout(() => {
         const active = document.activeElement;
-        hasFocusedInput = Boolean(
-          sheetRef.current?.contains(active) && isKeyboardInputTarget(active),
-        );
-        updateSheetLift();
+        activeInput =
+          sheetRef.current?.contains(active) && isKeyboardInputTarget(active)
+            ? (active as HTMLElement)
+            : null;
+        if (!activeInput) {
+          keyboardVisible = false;
+          setLift(0);
+        } else {
+          scheduleUpdate();
+        }
       }, 50);
     };
 
     const unsubscribeConfig = viewPaddingsBridge.subscribeConfig((config) => {
-      bridgeKbHeight = config.keyboardHeight;
-      updateSheetLift();
+      const nextHeight = Math.max(0, config.keyboardHeight);
+      if (nextHeight > 0) {
+        keyboardHeight = nextHeight;
+        const active = document.activeElement as HTMLElement | null;
+        if (
+          !activeInput &&
+          active &&
+          sheetRef.current?.contains(active) &&
+          isKeyboardInputTarget(active)
+        ) {
+          activeInput = active;
+        }
+        if (activeInput) {
+          keyboardVisible = true;
+        }
+      } else {
+        keyboardHeight = 0;
+        keyboardVisible = false;
+      }
+      scheduleUpdate();
     });
 
-    const handleVpResize = () => {
-      updateSheetLift();
+    const handleViewportResize = () => {
+      const vpHeight = window.visualViewport?.height ?? window.innerHeight;
+      const reduction = closedVpHeight - vpHeight;
+
+      if (reduction > KEYBOARD_THRESHOLD) {
+        if (activeInput) {
+          keyboardVisible = true;
+          keyboardHeight = reduction;
+        }
+      } else if (reduction <= KEYBOARD_THRESHOLD) {
+        keyboardVisible = false;
+        keyboardHeight = 0;
+        if (!activeInput) {
+          closedVpHeight = vpHeight;
+        }
+      }
+      scheduleUpdate();
     };
 
     document.addEventListener("focusin", handleFocusIn);
     document.addEventListener("focusout", handleFocusOut);
-    window.visualViewport?.addEventListener("resize", handleVpResize);
-    window.visualViewport?.addEventListener("scroll", handleVpResize);
+    window.visualViewport?.addEventListener("resize", handleViewportResize);
 
     return () => {
+      if (animFrame !== null) cancelAnimationFrame(animFrame);
       document.removeEventListener("focusin", handleFocusIn);
       document.removeEventListener("focusout", handleFocusOut);
-      window.visualViewport?.removeEventListener("resize", handleVpResize);
-      window.visualViewport?.removeEventListener("scroll", handleVpResize);
+      window.visualViewport?.removeEventListener(
+        "resize",
+        handleViewportResize,
+      );
       unsubscribeConfig();
     };
   }, [isRendered]);
@@ -444,12 +523,11 @@ export function InformationSheet({
         ref={sheetRef}
         {...props}
         style={{
-          marginBottom: keyboardLift > 0 ? `${keyboardLift}px` : undefined,
-          transition: "margin-bottom 200ms cubic-bezier(0.16, 1, 0.3, 1)",
-          maxHeight:
+          transform:
             keyboardLift > 0
-              ? `calc(100vh - ${keyboardLift + 20}px)`
+              ? `translate3d(0, -${keyboardLift}px, 0)`
               : undefined,
+          transition: "transform 200ms cubic-bezier(0.16, 1, 0.3, 1)",
           ...props.style,
         }}
         className={[

src/lib/view-paddings.ts

@@ -136,6 +136,16 @@ class ViewPaddingsBridge {
         string,
         any
       >;
+      if (
+        envelope.action === "keyboard_changed" ||
+        data.action === "keyboard_changed"
+      ) {
+        const height = num(data.height ?? envelope.height);
+        this.config = { ...this.config, keyboardHeight: height };
+        this.applyKeyboard(height);
+        this.notifyConfigListeners();
+        return;
+      }
       if (this.hasInitialConfig) {
         if (data.locale) this.applyLocale(data.locale);
         return;