body {
    font-family: sans-serif;
    margin: 20px;
    background-color: #f4f4f4;
}

h1, h2 {
    text-align: center;
    color: #333;
}

#loginOptions {
    text-align: center;
    margin-bottom: 20px;
}

#loginOptions button {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

#loginOptions button:hover {
    background-color: #0056b3;
}

#appContent {
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#inputArea label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

#inputArea select,
#inputArea input[type="text"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

#inputArea button {
    padding: 10px 15px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

#inputArea button:hover {
    background-color: #1e7e34;
}

#outputArea {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #f9f9f9;
}

#entries {
    margin-top: 10px;
}

.category-group {
    margin-bottom: 15px;
}

.category-group h3 {
    margin-top: 0;
    color: #555;
}

.category-group ul {
    padding-left: 20px;
    list-style-type: disc;
}