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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>ChartSpec - Data Visualization Assistant</title>
<link rel="stylesheet" href="./styles.css">
<!-- Plotly.js from CDN -->
<script src="https://cdn.jsdelivr.net/npm/plotly.js-dist@2.27.0/plotly.min.js"></script>
<!-- D3.js from CDN (fallback renderer) -->
<script src="https://d3js.org/d3.v7.min.js"></script>
<!-- AVA from CDN for intelligent chart recommendations -->
<script src="https://unpkg.com/@antv/ava@latest/dist/index.min.js"></script>
</head>
<body>
<div class="container">
<!-- Header -->
<header class="app-header">
<h1>ChartSpec</h1>
<p class="subtitle">AI-Powered Data Visualization</p>
</header>
<!-- Main Content Area -->
<div class="main-content">
<!-- Sidebar: Dataset & LLM Settings -->
<aside class="sidebar">
<!-- Dataset Management -->
<section class="panel">
<h2>Dataset</h2>
<div class="form-group">
<label for="dataset-select">Select Dataset:</label>
<select id="dataset-select" class="form-control">
<option value="">Loading...</option>
</select>
</div>
<div class="button-group">
<button id="add-dataset-btn" class="btn btn-secondary">Add Dataset</button>
<button id="reload-dataset-btn" class="btn btn-secondary">Reload</button>
<button id="delete-dataset-btn" class="btn btn-danger">Delete</button>
</div>
<!-- Add Dataset Form (hidden by default) -->
<div id="add-dataset-form" class="add-dataset-form" style="display: none;">
<h3>Add New Dataset</h3>
<p class="note">
<strong>Note:</strong> Browser localStorage has ~5-10MB limit.
Large CSV files (>1MB) may cause issues.
Consider using smaller datasets or server-side processing for production.
</p>
<div class="form-group">
<label for="dataset-name">Name:</label>
<input type="text" id="dataset-name" class="form-control" placeholder="My Dataset">
</div>
<div class="form-group">
<label for="dataset-url">CSV URL:</label>
<input type="text" id="dataset-url" class="form-control" placeholder="./datasets/data.csv or https://...">
</div>
<div class="button-group">
<button id="register-dataset-btn" class="btn btn-primary">Register</button>
<button id="cancel-dataset-btn" class="btn btn-secondary">Cancel</button>
</div>
</div>
<div id="dataset-info" class="dataset-info">
<p class="placeholder">No dataset selected</p>
</div>
</section>
<!-- LLM Settings -->
<section class="panel">
<h2>LLM Settings</h2>
<div class="form-group">
<label>
<input type="checkbox" id="local-mode">
<strong>Local Mode (No LLM)</strong>
</label>
<p class="note">
Skip LLM and use manual ChartSpec JSON. API key not required.
</p>
</div>
<div class="form-group">
<label>
<input type="checkbox" id="smart-mode">
<strong>Smart Mode (AVA-Powered)</strong>
</label>
<p class="note">
Use AVA for intelligent chart selection and local language parser.
No API key required. <a href="#" id="show-vocab-help" class="help-link">View Commands</a>
</p>
</div>
<div id="llm-config">
<div class="form-group">
<label for="llm-provider">Provider:</label>
<select id="llm-provider" class="form-control">
<option value="openai">OpenAI</option>
<option value="grok">Grok (X.AI)</option>
</select>
</div>
<div class="form-group">
<label for="api-key">API Key:</label>
<input type="password" id="api-key" class="form-control" placeholder="Enter your API key">
<p class="note">
<strong>Security:</strong> Never commit API keys to repositories.
Keys are stored in browser localStorage only.
</p>
</div>
<!-- Token Estimation Display -->
<div class="form-group">
<div class="token-indicator" id="token-indicator" style="display: none;">
<div class="token-header">
<strong>Token Estimation</strong>
<button id="toggle-token-details" class="btn-link">Show Details</button>
</div>
<div class="token-summary">
<span id="token-count">0</span> / <span id="token-limit">8,192</span> tokens
<div class="token-bar">
<div class="token-bar-fill" id="token-bar-fill" style="width: 0%"></div>
</div>
</div>
<div id="token-warning" class="token-warning" style="display: none;"></div>
<div id="token-details" class="token-details" style="display: none;">
<p><strong>Breakdown:</strong></p>
<ul>
<li>System prompt: <span id="token-system">0</span></li>
<li>Your message: <span id="token-user">0</span></li>
<li>Current spec: <span id="token-spec">0</span></li>
<li>Response (est.): <span id="token-response">0</span></li>
</ul>
</div>
</div>
</div>
<div class="form-group">
<label>
<input type="checkbox" id="auto-refine">
Auto-refine charts (experimental)
</label>
</div>
</div>
<div id="local-mode-config" style="display: none;">
<div class="form-group">
<label for="chartspec-input">ChartSpec JSON:</label>
<textarea id="chartspec-input" class="form-control chartspec-textarea" rows="15" placeholder="Enter ChartSpec JSON..."></textarea>
<p id="chartspec-error" class="error-message" style="display: none;"></p>
<p class="note">
Edit the ChartSpec JSON directly. Click "Apply ChartSpec" to render.
</p>
</div>
<div class="button-group">
<button id="apply-chartspec-btn" class="btn btn-primary">Apply ChartSpec</button>
</div>
</div>
</section>
</aside>
<!-- Main Area: Chat & Visualization -->
<main class="main-area">
<!-- Chat Section -->
<section class="panel chat-section">
<h2>Chat</h2>
<div id="chat-log" class="chat-log">
<!-- Chat messages appear here -->
</div>
<div class="chat-input-area">
<textarea
id="user-message"
class="form-control"
placeholder="Ask for a chart... (e.g., 'Show revenue by region as a bar chart')"
rows="3"></textarea>
<div id="smart-mode-hints" class="smart-mode-hints" style="display: none;">
<p class="hint-label">💡 Smart Mode Active - Try:</p>
<div id="command-suggestions" class="command-suggestions"></div>
</div>
<div class="button-group">
<button id="send-message-btn" class="btn btn-primary">Send</button>
<button id="clear-chat-btn" class="btn btn-secondary">Clear Chat</button>
</div>
</div>
</section>
<!-- Visualization Section -->
<section class="panel visualization-section">
<h2>Visualization</h2>
<div id="visualization" class="visualization-container">
<p class="placeholder">No visualization yet</p>
</div>
</section>
</main>
</div>
<!-- Footer -->
<footer class="app-footer">
<p>ChartSpec - Browser-based data visualization with AI assistance</p>
</footer>
</div>
<!-- Vocabulary Help Modal -->
<div id="vocab-modal" class="modal" style="display: none;">
<div class="modal-content">
<div class="modal-header">
<h2>Smart Mode Command Vocabulary</h2>
<button id="close-vocab-modal" class="modal-close">×</button>
</div>
<div class="modal-body" id="vocab-help-content">
<!-- Content will be populated by JavaScript -->
</div>
</div>
</div>
<!-- Load main application as ES module -->
<script type="module" src="./chartspec/main.js"></script>
</body>
</html>