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

.container {
    width: 100%;
    max-width: 600px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-window {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-bubble {
    padding: 10px;
    border-radius: 8px;
    max-width: 80%;
    font-size: 16px;
}

.user-bubble {
    align-self: flex-end;
    background-color: #00796b;
    color: white;
}

.app-bubble {
    align-self: flex-start;
    background-color: #e0e0e0;
}

.input-area {
    display: flex;
    align-items: center;
    padding: 10px;
    border-top: 1px solid #ddd;
}

textarea {
    flex: 1;
    padding: 10px;
    font-size: 16px;
    resize: none;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-right: 10px;
}

button {
    background-color: #00796b;
    color: white;
    border: none;
    padding: 10px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 6px;
}