body {
    background-color: #f8f9fa;
}

.accordion-body {
    overflow-x: auto;
}

.user-message {
    text-align: right;
    background-color: #dcf8c6;
    margin: 5px;
    padding: 10px;
    border-radius: 10px;
}

.bot-message {
    text-align: left;
    background-color: #ffcfcf;
    margin: 5px;
    padding: 10px;
    border-radius: 10px;
}

.typing-indicator {
    display: flex;
    align-items: center;
}

.typing {
    margin-right: 5px;
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #333;
    border-radius: 50%;
    margin-left: 2px;
    animation: typing 1.4s infinite ease-in-out;
}

.dot:nth-child(2) {
    animation-delay: 0.2s;
}

.dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0% { transform: translateY(0px); }
    28% { transform: translateY(-5px); }
    44% { transform: translateY(0px); }
}

@media (max-width: 767.98px) {
    .container {
        margin-top: 1.5rem;
    }

    #chatHistory {
        max-height: 260px;
    }

    .input-group {
        margin-bottom: 1.5rem;
    }
}