body {
    font-family: Arial, sans-serif;
    padding: 20px;
}

.hidden {
    display: none;
}

#auth-container, #app-container {
    max-width: 600px;
    margin: auto;
}

h2 {
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

input {
    display: block;
    margin: 10px 0;
    padding: 10px;
    width: calc(100% - 22px);
    font-size: 18px;
}

select {
    display: block;
    margin: 10px 0;
    padding: 10px;
    width: calc(100% - 22px);
    font-size: 18px;
}

button {
    padding: 15px 20px;
    margin: 10px 0;
    border: none;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
}

button:hover {
    opacity: 0.8;
}

.cash-in-button {
    background-color: green;
    color: white;
}

.cash-out-button {
    background-color: red;
    color: white;
}

#delete-button {
    background-color: orange;
    color: white;
}

#report-button {
    background-color: blue;
    color: white;
}

#history-button {
    background-color: purple;
    color: white;
}

#back-button {
    background-color: gray;
    color: white;
}

#controls, #options-container {
    margin-top: 20px;
}

#chat-box {
    border: 1px solid #ddd;
    padding: 10px;
    height: 200px;
    overflow-y: auto;
    margin-top: 20px;
}

#cash-in-total, #cash-out-total {
    margin-top: 20px;
    font-size: 18px;
}

#financial-report {
    margin-top: 20px;
}
#note {
    font-style: italic;
    color: red;
}
#note2 {
    font-style: italic;
    color: red;
}