#b4bynd-chatbot-btn {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 9999;
    background: #111;
    color: #fff;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 22px;
}

#b4bynd-chatbot-box {
    position: fixed;
    right: 20px;
    bottom: 90px;
    width: 360px;
    height: 520px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid #ddd;
    display: none;
    flex-direction: column;
    z-index: 9999;
}

#b4bynd-chatbot-header {
    padding: 12px 14px;
    font-weight: 600;
    border-bottom: 1px solid #eee;
}

#b4bynd-chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    font-size: 14px;
}

.b4-msg {
    margin-bottom: 10px;
    line-height: 1.4;
}

.b4-user {
    text-align: right;
}

.b4-bot {
    text-align: left;
}

#b4bynd-chatbot-input {
    display: flex;
    border-top: 1px solid #eee;
}

#b4bynd-chatbot-input input {
    flex: 1;
    border: 0;
    padding: 12px;
    font-size: 14px;
    outline: none;
}

#b4bynd-chatbot-input button {
    border: 0;
    padding: 0 16px;
    cursor: pointer;
    background: #111;
    color: #fff;
}