.ai-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 12px;
    border-top: 1px solid #e5e5e5;
}

    .ai-footer .input-group {
        display: flex;
        align-items: center;
    }

#txtQuestion {
    flex: 1;
    height: 46px;
    border: 1px solid #ddd;
    border-radius: 25px 0 0 25px;
    padding: 0 15px;
    font-size: 15px;
    box-shadow: none;
}

    #txtQuestion:focus {
        outline: none;
        border-color: #198754;
        box-shadow: none;
    }

#btnSend {
    width: 55px;
    height: 46px;
    border-radius: 0 25px 25px 0;
    background: #0d6efd;
    border: none;
}

    #btnSend i {
        color: #fff;
        font-size: 18px;
    }

/* Chat Area */
.ai-body {
    height: calc(100% - 145px);
    overflow-y: auto;
    padding: 15px;
}

.user-message {
    display: flex;
    justify-content: flex-end;
    margin: 12px 0;
}

.user-bubble {
    background: #0d6efd;
    color: #fff;
    padding: 10px 15px;
    border-radius: 18px;
    max-width: 75%;
    word-wrap: break-word;
}

.ai-message {
    display: flex;
    align-items: flex-start;
    margin: 12px 0;
}

.bubble {
    background: #f1f1f1;
    padding: 10px 15px;
    border-radius: 18px;
    margin-left: -50px; 
    max-width: 100%;
    font-size:12px;
}