#optimus-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-family: Arial, sans-serif;
    z-index: 9999;
}

#optimus-bubble {
    width: 60px;
    height: 60px;
    background: #0073e6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

#optimus-bubble img {
    width: 30px;
    height: 30px;
}

#optimus-window {
    width: 300px;
    height: 400px;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    padding: 10px;
    position: absolute;
    bottom: 70px;
    right: 0;
}

#optimus-window.hidden {
    display: none;
}

#optimus-messages {
    flex: 1;
    overflow-y: auto;
    border-bottom: 1px solid #ddd;
    margin-bottom: 10px;
    padding: 5px;
}

#optimus-input {
    width: calc(100% - 60px);
    padding: 5px;
}

#optimus-send, #optimus-voice {
    margin-left: 5px;
    padding: 5px 10px;
    cursor: pointer;
}

.message {
    margin-bottom: 5px;
}