body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    height: 100vh;
    background-color: #f0f0f0;
}

.container {
    display: flex;
    width: 100%;
}

.sidebar {
    width: 250px;
    background-color: #202123;
    color: white;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.sidebar button {
    background-color: #343541;
    border: none;
    color: white;
    padding: 10px;
    margin-bottom: 10px;
    cursor: pointer;
}

#chat-history {
    flex-grow: 1;
    overflow-y: auto;
}

.chat-history-item {
    padding: 10px;
    background-color: #343541;
    margin-bottom: 5px;
    cursor: pointer;
}

.chat-area {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px;
    background-color: #ffffff;
}

.message {
    margin-bottom: 20px;
    padding: 10px;
    border-radius: 5px;
}

.user {
    background-color: #dcf8c6;
    align-self: flex-end;
}

.ai {
    background-color: #ffffff;
    border: 1px solid #ccc;
}

.ai .content {
    white-space: pre-wrap;
}

.download-buttons {
    margin-top: 10px;
}

.download-buttons button {
    margin-right: 10px;
}

.input-area {
    display: flex;
    padding: 20px;
    background-color: #ffffff;
    border-top: 1px solid #ccc;
}

.input-area input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.input-area button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    margin-left: 10px;
    cursor: pointer;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 300px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.modal input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
}

.modal button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}