The-Think-Tank/index.html at main · EdKMathew/The-Think-Tank · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>FinTech FAQ Chatbot</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 600px;
            margin: 20px auto;
            background: #121212;
            color: white;
        }
        #chatbox {
            height: 400px;
            overflow-y: auto;
            padding: 15px;
            background: #191919;
            border-radius: 5px;
        }
        .message {
            margin: 10px 0;
            padding: 8px;
            border-radius: 3px;
            word-wrap: break-word;
            line-height: 1.5;
        }
        .user {
            background: #121212;
            color: #ffffff;
            text-align: right;
            border: 1px solid #333;
        }
        .bot {
            background: #121212;
            text-align: left;
            border: 1px solid #333;
            overflow: hidden;
        }
        .bot b { /* Style for bold text */
            font-weight: bold;
            color: #ffffff; /* Ensure visibility on dark background */
        }
        /* Expanding animation for the bot message container */
        @keyframes expandBox {
            from { max-height: 0; }
            to { max-height: 1000px; }
        }
        .bot.animating {
            animation: expandBox 1s ease-out forwards;
            max-height: 0;
        }
        .bot span.numbered {
            display: block;
            margin-left: 20px;
        }
        .input-container {
            margin-top: 15px;
            display: flex;
            gap: 10px;
        }
        #input {
            flex: 1;
            padding: 8px;
            border-radius: 4px;
            background: #232323;
            color: white;
        }
        button {
            padding: 8px 15px;
            background: #8662C2;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        button:hover { background: #6739B7; }
        /* Loading Animation (Three Bouncing Dots) */
        .loading-animation {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            margin: 10px 0;
            padding: 8px;
            background: #121212;
            color: #ffffff;
            border-radius: 3px;
            border: 1px solid #333;
        }
        .dots-container {
            display: flex;
            gap: 4px;
        }
        .dot {
            width: 8px;
            height: 8px;
            background-color: #ffffff;
            border-radius: 50%;
            animation: bounce 1.4s infinite ease-in-out both;
        }
        .dot:nth-child(1) { animation-delay: -0.32s; }
        .dot:nth-child(2) { animation-delay: -0.16s; }
        @keyframes bounce {
            0%, 80%, 100% { transform: scale(0); }
            40% { transform: scale(1); }
        }
        /* Line-by-line text reveal animation */
        .bot .line {
            opacity: 0;
            transform: translateY(10px);
            animation: reveal 0.5s forwards;
            display: block;
            white-space: pre-wrap;
        }
        @keyframes reveal {
            to { opacity: 1; transform: translateY(0); }
        }
    </style>
</head>
<body>
    <h1>FinBot</h1>
    <div id="chatbox"></div>
    <div class="input-container">
        <input type="text" id="input" placeholder="Ask a finance question...">
        <button onclick="sendMessage()">Send</button>
    </div>

    <script>
        const chatbox = document.getElementById('chatbox');
        const input = document.getElementById('input');
        let loadingAnimation = null;

        function addUserMessage(message) {
            const div = document.createElement('div');
            div.className = 'message user';
            div.textContent = message;
            chatbox.appendChild(div);
            chatbox.scrollTop = chatbox.scrollHeight;
        }

        function showLoadingAnimation() {
            loadingAnimation = document.createElement('div');
            loadingAnimation.className = 'loading-animation';
            const dotsContainer = document.createElement('div');
            dotsContainer.className = 'dots-container';
            for (let i = 0; i < 3; i++) {
                const dot = document.createElement('div');
                dot.className = 'dot';
                dotsContainer.appendChild(dot);
            }
            loadingAnimation.appendChild(dotsContainer);
            chatbox.appendChild(loadingAnimation);
            chatbox.scrollTop = chatbox.scrollHeight;
        }

        function hideLoadingAnimation() {
            if (loadingAnimation && loadingAnimation.parentNode) {
                loadingAnimation.parentNode.removeChild(loadingAnimation);
                loadingAnimation = null;
            }
        }

        function addBotMessageAnimated(message) {
            hideLoadingAnimation();
            const div = document.createElement('div');
            div.className = 'message bot animating';
            const lines = message.split('\n');
            const lineCount = lines.length;
            const totalDuration = 0.2 * lineCount + 0.5;
            div.style.animationDuration = `${totalDuration}s`;

            lines.forEach((line, index) => {
                const span = document.createElement('span');
                span.className = 'line';
                span.style.animationDelay = `${index * 0.2}s`;
                if (/^\d+\.\s/.test(line)) {
                    span.classList.add('numbered');
                }
                span.innerHTML = line; // Use innerHTML to render <b> tags
                div.appendChild(span);
            });

            chatbox.appendChild(div);
            const scrollInterval = setInterval(() => {
                chatbox.scrollTop = chatbox.scrollHeight;
            }, 100);
            setTimeout(() => {
                clearInterval(scrollInterval);
                chatbox.scrollTop = chatbox.scrollHeight;
            }, totalDuration * 1000 + 100);
        }

        async function sendMessage() {
    const message = input.value.trim();
    if (!message) return;

    addUserMessage(`You: ${message}`);
    input.value = '';
    input.disabled = true;
    showLoadingAnimation();

    try {
        const response = await fetch('/chat', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ message })
        });
        if (!response.ok) throw new Error('Network response was not ok');
        const data = await response.json();
        addBotMessageAnimated(data.response);
    } catch (error) {
        addBotMessageAnimated('FinBot:\nSorry, something went wrong!');
        console.error('Client Error:', error);
    } finally {
        input.disabled = false;
        input.focus();
    }
}

        input.addEventListener('keypress', (e) => {
            if (e.key === 'Enter') sendMessage();
        });

        // Initial greeting
        setTimeout(() => {
            addBotMessageAnimated('FinBot:\nHello! I can help with finance questions.\nTry asking about stocks, investing, or interest!');
        }, 500);
    </script>
</body>
</html>