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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>CodeNPP - Web Compiler</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #1e293b;
        }
        ::-webkit-scrollbar-thumb {
            background: #64748b;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }
        
        /* Line numbers */
        .editor-container {
            position: relative;
        }
        .line-numbers {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 100%;
            background-color: #1e293b;
            color: #64748b;
            text-align: right;
            padding-right: 10px;
            font-family: monospace;
            line-height: 1.5;
            user-select: none;
        }
        .code-editor {
            padding-left: 60px !important;
            tab-size: 4;
        }
        
        /* Syntax highlighting */
        .keyword {
            color: #c792ea;
        }
        .string {
            color: #c3e88d;
        }
        .comment {
            color: #546e7a;
            font-style: italic;
        }
        .number {
            color: #f78c6c;
        }
        .function {
            color: #82aaff;
        }
    </style>
</head>
<body class="bg-slate-900 text-slate-200 h-screen flex flex-col">
    <!-- Header -->
    <header class="bg-slate-800 border-b border-slate-700 p-2 flex items-center justify-between">
        <div class="flex items-center space-x-2">
            <i class="fas fa-code text-blue-400 text-xl"></i>
            <h1 class="text-xl font-bold">CodeNPP</h1>
        </div>
        <div class="flex items-center space-x-4">
            <button id="run-btn" class="bg-green-600 hover:bg-green-700 px-3 py-1 rounded flex items-center space-x-1">
                <i class="fas fa-play"></i>
                <span>Run</span>
            </button>
            <div class="relative">
                <select id="language-select" class="bg-slate-700 border border-slate-600 rounded px-2 py-1 appearance-none pr-6">
                    <option value="javascript">JavaScript</option>
                    <option value="html">HTML</option>
                    <option value="css">CSS</option>
                    <option value="python">Python</option>
                </select>
                <i class="fas fa-chevron-down absolute right-2 top-1/2 transform -translate-y-1/2 text-xs pointer-events-none"></i>
            </div>
        </div>
    </header>

    <!-- Main Content -->
    <div class="flex flex-col md:flex-row flex-1 overflow-hidden">
        <!-- Editor Panel -->
        <div class="flex-1 flex flex-col border-r border-slate-700">
            <!-- Tab Bar -->
            <div class="bg-slate-800 flex items-center overflow-x-auto">
                <div class="flex">
                    <div class="px-4 py-2 border-r border-slate-700 bg-slate-900 flex items-center">
                        <span class="mr-2">main.js</span>
                        <i class="fas fa-times text-slate-400 hover:text-slate-200 cursor-pointer"></i>
                    </div>
                    <div class="px-4 py-2 border-r border-slate-700 flex items-center text-slate-400 hover:bg-slate-700 cursor-pointer">
                        <i class="fas fa-plus mr-1"></i>
                    </div>
                </div>
            </div>
            
            <!-- Editor -->
            <div class="editor-container flex-1 overflow-auto bg-slate-900">
                <div class="line-numbers"></div>
                <textarea id="code-editor" class="code-editor w-full h-full bg-transparent p-2 font-mono resize-none outline-none text-white" spellcheck="false">// Welcome to CodeNPP!
// Try writing some JavaScript code and click Run

function greet(name) {
    return "Hello, " + name + "!";
}

const message = greet("World");
console.log(message);

// Fibonacci sequence
function fibonacci(n) {
    if (n <= 1) return n;
    return fibonacci(n - 1) + fibonacci(n - 2);
}

console.log("Fibonacci(10):", fibonacci(10));</textarea>
            </div>
        </div>
        
        <!-- Output Panel -->
        <div class="flex-1 flex flex-col border-t md:border-t-0 border-slate-700">
            <!-- Output Tabs -->
            <div class="bg-slate-800 flex">
                <div class="px-4 py-2 border-r border-slate-700 bg-slate-900">Output</div>
                <div class="px-4 py-2 border-r border-slate-700 text-slate-400 hover:bg-slate-700 cursor-pointer">Console</div>
            </div>
            
            <!-- Output Content -->
            <div class="flex-1 overflow-auto bg-slate-900 p-4">
                <div id="output" class="font-mono whitespace-pre-wrap"></div>
            </div>
            
            <!-- Status Bar -->
            <div class="bg-slate-800 border-t border-slate-700 px-3 py-1 text-xs flex justify-between items-center">
                <div class="flex space-x-4">
                    <span>Ln 1, Col 1</span>
                    <span>JavaScript</span>
                </div>
                <div>
                    <span>UTF-8</span>
                </div>
            </div>
        </div>
    </div>

    <script>
        document.addEventListener('DOMContentLoaded', function() {
            const codeEditor = document.getElementById('code-editor');
            const output = document.getElementById('output');
            const runBtn = document.getElementById('run-btn');
            const languageSelect = document.getElementById('language-select');
            const lineNumbers = document.querySelector('.line-numbers');
            
            // Initialize line numbers
            updateLineNumbers();
            
            // Update line numbers when content changes
            codeEditor.addEventListener('input', updateLineNumbers);
            codeEditor.addEventListener('scroll', syncScroll);
            
            // Run button click handler
            runBtn.addEventListener('click', runCode);
            
            // Language change handler
            languageSelect.addEventListener('change', function() {
                // In a real app, you would change syntax highlighting here
                console.log('Language changed to:', this.value);
            });
            
            // Update line numbers
            function updateLineNumbers() {
                const lines = codeEditor.value.split('\n').length;
                let numbers = '';
                for (let i = 1; i <= lines; i++) {
                    numbers += i + '\n';
                }
                lineNumbers.innerHTML = numbers;
            }
            
            // Sync scroll between editor and line numbers
            function syncScroll() {
                lineNumbers.scrollTop = codeEditor.scrollTop;
            }
            
            // Run the code
            function runCode() {
                output.innerHTML = '';
                const code = codeEditor.value;
                
                try {
                    // Clear previous console logs
                    console.clear();
                    
                    // Capture console.log output
                    const originalConsoleLog = console.log;
                    let consoleOutput = '';
                    
                    console.log = function() {
                        originalConsoleLog.apply(console, arguments);
                        consoleOutput += Array.from(arguments).join(' ') + '\n';
                    };
                    
                    // Execute the code
                    const result = new Function(code)();
                    
                    // If the code returns something (not a function)
                    if (result !== undefined && typeof result !== 'function') {
                        output.innerHTML += '> ' + result + '\n';
                    }
                    
                    // Add console output
                    if (consoleOutput) {
                        output.innerHTML += '\nConsole output:\n' + consoleOutput;
                    }
                    
                    // Restore original console.log
                    console.log = originalConsoleLog;
                    
                } catch (error) {
                    output.innerHTML = '<span class="text-red-400">Error: ' + error.message + '</span>';
                }
            }
            
            // Simple syntax highlighting (basic example)
            codeEditor.addEventListener('input', function() {
                // In a real app, you would implement more sophisticated syntax highlighting here
                // This is just a basic example
                const code = codeEditor.value;
                // You would parse the code and add spans with appropriate classes
                // For this example, we'll just leave it as plain text
            });
            
            // Handle tab key in editor
            codeEditor.addEventListener('keydown', function(e) {
                if (e.key === 'Tab') {
                    e.preventDefault();
                    const start = this.selectionStart;
                    const end = this.selectionEnd;
                    
                    // Insert tab character
                    this.value = this.value.substring(0, start) + '    ' + this.value.substring(end);
                    
                    // Move cursor position
                    this.selectionStart = this.selectionEnd = start + 4;
                }
            });
        });
    </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=S-Dreamer/codenpp" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
</html>