job-tracker/web/src/components/AppLayout.tsx

import { type ReactNode } from "react";
import { Outlet } from "react-router-dom";
import AppBar from "@mui/material/AppBar";
import Toolbar from "@mui/material/Toolbar";
import Typography from "@mui/material/Typography";
import Container from "@mui/material/Container";
import Box from "@mui/material/Box";
import CssBaseline from "@mui/material/CssBaseline";
import { ThemeProvider, createTheme } from "@mui/material/styles";

const theme = createTheme({
  palette: {
    primary: {
      main: "#1976d2",
    },
    background: {
      default: "#f5f5f5",
    },
  },
});

export default function AppLayout(): ReactNode {
  return (
    <ThemeProvider theme={theme}>
      <CssBaseline />
      <Box sx={{ display: "flex", flexDirection: "column", minHeight: "100vh" }}>
        <AppBar position="sticky">
          <Toolbar>
            <Typography variant="h6" component="h1" sx={{ fontWeight: 700 }}>
              Job Tracker
            </Typography>
          </Toolbar>
        </AppBar>
        <Container component="main" maxWidth="lg" sx={{ mt: 4, mb: 4, flexGrow: 1 }}>
          <Outlet />
        </Container>
      </Box>
    </ThemeProvider>
  );
}