diff --git a/client/src/app/admin.tsx b/client/src/app/admin.tsx
new file mode 100644
index 0000000..e80e320
--- /dev/null
+++ b/client/src/app/admin.tsx
@@ -0,0 +1,236 @@
+import { useEffect, useState } from "react"
+import { SetState, Mode } from "./page"
+import {
+    User,
+    CookieBreak,
+    Claim,
+    Settings,
+    Day,
+    dayNumberToDay,
+    formatAsPrice,
+} from "./structs"
+import { login, postSettings } from "./api"
+import { TailSpin } from "react-loader-spinner"
+
+const LoginPage = (props: {
+    setUser: SetState<User | undefined>
+    setBreaks: SetState<CookieBreak[]>
+    setClaims: SetState<Claim[]>
+    setLoadingData: SetState<boolean>
+    user: User | undefined
+    setMode: SetState<Mode>
+}) => {
+    const [userText, setUserText] = useState("")
+    const [passwordText, setPasswordText] = useState("")
+    const [errorText, setErrorText] = useState("")
+    const [isLoading, setLoading] = useState(false)
+    const onSubmit = async () => {
+        let result = await login(
+            userText,
+            passwordText,
+            props.setUser,
+            setErrorText,
+            props.setBreaks,
+            props.setClaims,
+            setLoading
+        )
+        if (result === 0) {
+            props.setMode(Mode.Main)
+        }
+    }
+    const onClickSubmitButton = (e: React.MouseEvent<HTMLButtonElement>) => {
+        onSubmit()
+    }
+    const onUserTextChange = (e: React.ChangeEvent<HTMLInputElement>) =>
+        setUserText(e.target.value)
+    const onPasswordTextChange = (e: React.ChangeEvent<HTMLInputElement>) =>
+        setPasswordText(e.target.value)
+    const onKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
+        if (e.key === "Enter") {
+            onSubmit()
+        }
+    }
+    return (
+        <div>
+            <h1 className="text-2xl font-bold">Admin login</h1>
+            <form>
+                <div className="flex flex-col mb-5 align-center">
+                    <div>
+                        <input
+                            autoFocus
+                            className="border-2 p-2 my-2"
+                            type="text"
+                            id="user"
+                            name="user"
+                            placeholder="User"
+                            value={userText}
+                            onChange={onUserTextChange}
+                            onKeyDown={onKeyDown}
+                            required
+                        />
+                    </div>
+                    <div>
+                        <input
+                            className="border-2 p-2 my-2"
+                            type="password"
+                            id="password"
+                            name="password"
+                            placeholder="Password"
+                            value={passwordText}
+                            onChange={onPasswordTextChange}
+                            onKeyDown={onKeyDown}
+                            required
+                        />
+                    </div>
+                    {isLoading ? (
+                        <TailSpin
+                            wrapperClass="m-10 justify-center"
+                            height={50}
+                        />
+                    ) : (
+                        ""
+                    )}
+                </div>
+            </form>
+        </div>
+    )
+}
+
+const SettingsPage = (props: {
+    user: User
+    settings: Settings
+    setUser: SetState<User | undefined>
+    setMode: SetState<Mode>
+}) => {
+    const onClickLogout = (e: React.MouseEvent<HTMLButtonElement>) => {
+        props.setUser(undefined)
+        props.setMode(Mode.Main)
+    }
+    const onClickSave = (e: React.MouseEvent<HTMLButtonElement>) => {
+        let budgetNumber = Number.parseFloat(budgetText)
+        if (isNaN(budgetNumber)) {
+        } else {
+            postSettings(
+                props.user,
+                selectedDay,
+                new Date(`1970-01-01T${selectedTime}`),
+                locationText,
+                budgetNumber
+            )
+        }
+    }
+    const [selectedDay, setSelectedDay] = useState(props.settings.day)
+    const [selectedTime, setSelectedTime] = useState(
+        props.settings.time.toTimeString().substring(0, 5)
+    )
+    const [budgetText, setBudgetText] = useState(
+        props.settings.budget.toFixed(2)
+    )
+    const [locationText, setLocationText] = useState(props.settings.location)
+    const onChangeDay = (e: React.ChangeEvent<HTMLSelectElement>) =>
+        setSelectedDay(dayNumberToDay(Number.parseInt(e.target.value)))
+    const onChangeTime = (e: React.ChangeEvent<HTMLInputElement>) =>
+        setSelectedTime(e.target.value)
+    const onChangeBudgetText = (e: React.ChangeEvent<HTMLInputElement>) =>
+        setBudgetText(e.target.value)
+    const onChangeLocationText = (e: React.ChangeEvent<HTMLInputElement>) =>
+        setLocationText(e.target.value)
+    const settingHeaderStyle = "font-bold my-2"
+    return (
+        <div>
+            <h1 className="text-2xl font-bold mb-2">Settings</h1>
+            <div className="flex flex-row items-center">
+                <div>
+                    Logged in as{" "}
+                    <span className="font-bold">{props.user?.user}</span>
+                </div>
+                <button
+                    className="m-4 p-2 border-2 bg-white border-bg2 rounded hover:bg-gray-300"
+                    onClick={onClickLogout}
+                >
+                    Logout
+                </button>
+            </div>
+            <div className="flex flex-col items-start mb-4">
+                <div className={settingHeaderStyle}>Day</div>
+                <select value={selectedDay} onChange={onChangeDay}>
+                    <option value={0}>Monday</option>
+                    <option value={1}>Tuesday</option>
+                    <option value={2}>Wednesday</option>
+                    <option value={3}>Thursday</option>
+                    <option value={4}>Friday</option>
+                    <option value={5}>Saturday</option>
+                    <option value={6}>Sunday</option>
+                </select>
+            </div>
+            <div className="flex flex-col items-start mb-4">
+                <div className={settingHeaderStyle}>Time</div>
+                <input
+                    type="time"
+                    value={selectedTime}
+                    onChange={onChangeTime}
+                />
+            </div>
+            <div className="flex flex-col items-start mb-4">
+                <div className={settingHeaderStyle}>Budget</div>
+                <input
+                    className="border-2 p-2 my-2"
+                    type="text"
+                    size={15}
+                    value={budgetText}
+                    onChange={onChangeBudgetText}
+                />
+            </div>
+            <div className="flex flex-col items-start mb-4">
+                <div className={settingHeaderStyle}>Location</div>
+                <input
+                    className="border-2 p-2 my-2"
+                    type="text"
+                    size={30}
+                    value={locationText}
+                    onChange={onChangeLocationText}
+                />
+            </div>
+            <button
+                className="mt-4 p-2 border-2 bg-white border-bg2 rounded hover:bg-gray-300"
+                onClick={onClickSave}
+            >
+                Save
+            </button>
+        </div>
+    )
+}
+
+export const AdminPage = (props: {
+    setUser: SetState<User | undefined>
+    setBreaks: SetState<CookieBreak[]>
+    setClaims: SetState<Claim[]>
+    setLoadingData: SetState<boolean>
+    user: User | undefined
+    setMode: SetState<Mode>
+    settings: Settings | undefined
+}) => {
+    return (
+        <div>
+            {!props.user ? (
+                <LoginPage
+                    setUser={props.setUser}
+                    setBreaks={props.setBreaks}
+                    setClaims={props.setClaims}
+                    setLoadingData={props.setLoadingData}
+                    user={props.user}
+                    setMode={props.setMode}
+                />
+            ) : !props.settings ? (
+                ""
+            ) : (
+                <SettingsPage
+                    user={props.user}
+                    setUser={props.setUser}
+                    setMode={props.setMode}
+                    settings={props.settings}
+                />
+            )}
+        </div>
+    )
+}