feat(sign-in-page): implement sign-in page with email and password inputs, Google sign-in button, fix footer position, and test

src/app/layout/Layout.tsx

@@ -5,7 +5,7 @@ import { NavigationBar } from "../../components/navigation-bar/NavigationBar";
 
 export const Layout = () => {
 	return (
-		<div className="min-h-screen bg-gray-50">
+		<div className="min-h-screen bg-gray-50 flex flex-col">
 			<header className="bg-white border-b border-gray-200 sticky top-0 z-10">
 				<div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
 					<div className="flex items-center justify-between h-16">
@@ -14,7 +14,7 @@ export const Layout = () => {
 					</div>
 				</div>
 			</header>
-			<main className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+			<main className="flex-1 max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8 w-full">
 				<Outlet />
 			</main>
 			<Footer />

src/components/footer/Footer.tsx

@@ -1,6 +1,6 @@
 export const Footer = () => {
 	return (
-		<footer className="bg-white border-t border-gray-200 mt-16">
+		<footer className="bg-white border-t border-gray-200">
 			<div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
 				<p className="text-center text-gray-600 text-sm">
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src/components/googlelogo/GoogleLogo.test.tsx

@@ -0,0 +1,43 @@
+import { render } from "@testing-library/react";
+import { describe, it, expect } from "vitest";
+import { GoogleLogo } from "./GoogleLogo";
+
+interface RenderOptions {
+	className?: string;
+}
+
+const defaultProps: RenderOptions = {
+	className: "w-5 h-5",
+};
+
+const renderGoogleLogo = (additionalProps: RenderOptions = {}) => {
+	const props = { ...defaultProps, ...additionalProps };
+
+	return render(<GoogleLogo className={props.className} />);
+};
+
+describe("GoogleLogo", () => {
+	it("should render an svg element", () => {
+		const { container } = renderGoogleLogo();
+
+		const svg = container.querySelector("svg");
+
+		expect(svg).toBeInTheDocument();
+	});
+
+	it("should apply provided className when passed", () => {
+		const { container } = renderGoogleLogo({ className: "w-8 h-8" });
+
+		const svg = container.querySelector("svg");
+
+		expect(svg).toHaveClass("w-8");
+	});
+
+	it("should be hidden from the accessibility tree", () => {
+		const { container } = renderGoogleLogo();
+
+		const svg = container.querySelector("svg");
+
+		expect(svg).toHaveAttribute("aria-hidden", "true");
+	});
+});

src/components/googlelogo/GoogleLogo.tsx

@@ -0,0 +1,32 @@
+type GoogleLogoProps = {
+	className?: string;
+};
+
+export const GoogleLogo = ({ className }: GoogleLogoProps) => {
+	return (
+		<svg
+			className={className ?? "w-5 h-5"}
+			viewBox="0 0 24 24"
+			xmlns="http://www.w3.org/2000/svg"
+			aria-hidden="true"
+			focusable="false"
+		>
+			<path
+				fill="#4285F4"
+				d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"
+			/>
+			<path
+				fill="#34A853"
+				d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"
+			/>
+			<path
+				fill="#FBBC05"
+				d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"
+			/>
+			<path
+				fill="#EA4335"
+				d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"
+			/>
+		</svg>
+	);
+};

src/features/auth/SignInPage.test.tsx

@@ -0,0 +1,69 @@
+import { render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { describe, it } from "vitest";
+import { BrowserRouter } from "react-router-dom";
+import { SignInPage } from "./SignInPage";
+
+const renderSignInPage = () => {
+	return render(
+		<BrowserRouter>
+			<SignInPage />
+		</BrowserRouter>,
+	);
+};
+
+describe("SignInPage", () => {
+	it("should render the email input field", () => {
+		renderSignInPage();
+
+		expect(screen.getByLabelText(/email/i)).toBeInTheDocument();
+	});
+
+	it("should render the password input field", () => {
+		renderSignInPage();
+
+		expect(screen.getByLabelText(/password/i)).toBeInTheDocument();
+	});
+
+	it("should allow typing in the email input", async () => {
+		renderSignInPage();
+		const user = userEvent.setup();
+
+		const emailInput = screen.getByLabelText(/email/i);
+		await user.type(emailInput, "test@example.com");
+
+		expect(emailInput).toHaveValue("test@example.com");
+	});
+
+	it("should allow typing in the password input", async () => {
+		renderSignInPage();
+		const user = userEvent.setup();
+
+		const passwordInput = screen.getByLabelText(/password/i);
+		await user.type(passwordInput, "password123");
+
+		expect(passwordInput).toHaveValue("password123");
+	});
+
+	it("should render the sign in button", () => {
+		renderSignInPage();
+
+		expect(
+			screen.getByRole("button", { name: /sign in/i }),
+		).toBeInTheDocument();
+	});
+
+	it("should render the continue with google button", () => {
+		renderSignInPage();
+
+		expect(
+			screen.getByRole("button", { name: /continue with google/i }),
+		).toBeInTheDocument();
+	});
+
+	it("should render the sign up link", () => {
+		renderSignInPage();
+
+		expect(screen.getByRole("link", { name: /sign up/i })).toBeInTheDocument();
+	});
+});

src/features/auth/SignInPage.tsx

@@ -0,0 +1,92 @@
+import { useState } from "react";
+import { Link } from "react-router-dom";
+import { Button } from "../../components/button/Button";
+import { Input } from "../../components/input/Input";
+import { Card, CardBody } from "../../components/card/Card";
+import { GoogleLogo } from "../../components/googlelogo/GoogleLogo";
+
+export const SignInPage = () => {
+	const [email, setEmail] = useState("");
+	const [password, setPassword] = useState("");
+
+	const handleSubmit = (event: React.FormEvent) => {
+		event.preventDefault();
+	};
+
+	return (
+		<div className="min-h-screen bg-linear-to-br from-blue-50 to-indigo-100 flex items-center justify-center p-4">
+			<div className="w-full max-w-md">
+				<Card>
+					<CardBody className="space-y-6">
+						<div className="text-center">
+							<h1 className="text-2xl font-bold text-gray-900 mb-2">
+								Welcome Back
+							</h1>
+							<p className="text-gray-600">
+								Sign in to access your saved resources
+							</p>
+						</div>
+
+						<form onSubmit={handleSubmit} className="space-y-4">
+							<Input
+								label="Email"
+								type="email"
+								placeholder="Enter your email"
+								value={email}
+								onChange={(event) => setEmail(event.target.value)}
+								className="w-full"
+								required
+								autoComplete="email"
+							/>
+
+							<Input
+								label="Password"
+								type="password"
+								placeholder="Enter your password"
+								value={password}
+								onChange={(event) => setPassword(event.target.value)}
+								className="w-full"
+								required
+								autoComplete="current password"
+							/>
+
+							<Button type="submit" className="w-full">
+								Sign In
+							</Button>
+						</form>
+
+						<div className="relative">
+							<div className="absolute inset-0 flex items-center">
+								<div className="w-full border-t border-gray-200" />
+							</div>
+							<div className="relative flex justify-center text-sm">
+								<span className="px-2 bg-white text-gray-500">
+									Or continue with
+								</span>
+							</div>
+						</div>
+
+						<Button
+							variant="outline"
+							type="button"
+							className="w-full flex gap-2"
+						>
+							<GoogleLogo />
+							Continue with Google
+						</Button>
+
+						<p className="text-center text-gray-600 text-sm">
+							Don't have an account?{" "}
+							<Link
+								to="/signup"
+								className="text-blue-600 hover:text-blue-700 font-medium"
+							>
+								Sign up
+							</Link>
+						</p>
+					</CardBody>
+				</Card>
+			</div>
+		</div>
+	);
+};