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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>Gradient Picker | Interactive Color Tool</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://cdn.jsdelivr.net/npm/chroma-js@2.1.2/chroma.min.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        .gradient-preview {
            height: 120px;
            border-radius: 0.5rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        .color-slider {
            -webkit-appearance: none;
            width: 100%;
            height: 8px;
            border-radius: 4px;
            outline: none;
        }
        .color-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            border: 2px solid white;
        }
        .color-picker-handle {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: white;
            border: 2px solid #333;
            position: absolute;
            top: -10px;
            transform: translateX(-12px);
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .color-picker-handle::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: #333;
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .color-block {
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .color-block:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
        }
        .copy-btn {
            transition: all 0.2s ease;
        }
        .copy-btn:hover {
            transform: translateY(-2px);
        }
        .copy-btn:active {
            transform: translateY(0);
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
        }
        .contrast-ratio {
            font-weight: bold;
        }
        .contrast-ratio.aa-pass {
            color: #10b981;
        }
        .contrast-ratio.aa-fail {
            color: #ef4444;
        }
        .contrast-ratio.aaa-pass {
            color: #10b981;
        }
        .contrast-ratio.aaa-fail {
            color: #ef4444;
        }
    </style>
</head>
<body class="bg-gray-50 text-gray-800 dark:bg-gray-900 dark:text-gray-200 min-h-screen">
    <div class="container mx-auto px-4 py-8">
        <header class="mb-8 text-center">
            <h1 class="text-3xl md:text-4xl font-bold bg-gradient-to-r from-purple-600 to-blue-500 bg-clip-text text-transparent">Gradient Picker</h1>
            <p class="mt-2 text-gray-600 dark:text-gray-400">Create, explore and export beautiful color gradients</p>
        </header>

        <div class="max-w-4xl mx-auto bg-white dark:bg-gray-800 rounded-xl shadow-lg overflow-hidden p-6 mb-8">
            <!-- Color Inputs -->
            <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-6">
                <div class="color-input">
                    <div class="flex items-center justify-between mb-2">
                        <label class="font-medium">Start Color</label>
                        <div class="flex items-center">
                            <input type="text" id="color1-hex" value="#3b82f6" class="w-24 px-2 py-1 border rounded text-sm font-mono">
                            <button class="copy-btn ml-2 p-1 rounded-full text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100" onclick="copyToClipboard('color1-hex')">
                                <i class="far fa-copy"></i>
                            </button>
                        </div>
                    </div>
                    <input type="color" id="color1" value="#3b82f6" class="w-full h-10 rounded cursor-pointer">
                    <div class="mt-2 grid grid-cols-3 gap-2">
                        <div>
                            <label class="text-xs text-gray-500 dark:text-gray-400">RGB</label>
                            <input type="text" id="color1-rgb" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                        </div>
                        <div>
                            <label class="text-xs text-gray-500 dark:text-gray-400">HSL</label>
                            <input type="text" id="color1-hsl" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                        </div>
                        <div>
                            <label class="text-xs text-gray-500 dark:text-gray-400">Name</label>
                            <input type="text" id="color1-name" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                        </div>
                    </div>
                </div>
                
                <div class="color-input">
                    <div class="flex items-center justify-between mb-2">
                        <label class="font-medium">End Color</label>
                        <div class="flex items-center">
                            <input type="text" id="color2-hex" value="#ec4899" class="w-24 px-2 py-1 border rounded text-sm font-mono">
                            <button class="copy-btn ml-2 p-1 rounded-full text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100" onclick="copyToClipboard('color2-hex')">
                                <i class="far fa-copy"></i>
                            </button>
                        </div>
                    </div>
                    <input type="color" id="color2" value="#ec4899" class="w-full h-10 rounded cursor-pointer">
                    <div class="mt-2 grid grid-cols-3 gap-2">
                        <div>
                            <label class="text-xs text-gray-500 dark:text-gray-400">RGB</label>
                            <input type="text" id="color2-rgb" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                        </div>
                        <div>
                            <label class="text-xs text-gray-500 dark:text-gray-400">HSL</label>
                            <input type="text" id="color2-hsl" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                        </div>
                        <div>
                            <label class="text-xs text-gray-500 dark:text-gray-400">Name</label>
                            <input type="text" id="color2-name" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                        </div>
                    </div>
                </div>
            </div>

            <!-- Gradient Controls -->
            <div class="mb-6">
                <div class="flex items-center justify-between mb-2">
                    <label class="font-medium">Gradient Steps</label>
                    <span id="steps-value" class="font-mono">5</span>
                </div>
                <input type="range" id="steps" min="2" max="20" value="5" class="color-slider">
            </div>

            <!-- Gradient Preview -->
            <div class="mb-6 relative">
                <div id="gradient-preview" class="gradient-preview" style="background: linear-gradient(to right, #3b82f6, #ec4899);"></div>
                <div id="color-picker-handle" class="color-picker-handle" style="left: 50%;"></div>
            </div>

            <!-- Picked Color Info -->
            <div id="picked-color-info" class="bg-gray-100 dark:bg-gray-700 rounded-lg p-4 mb-6 hidden">
                <div class="flex items-center justify-between">
                    <div class="flex items-center">
                        <div id="picked-color-swatch" class="w-10 h-10 rounded-full border-2 border-white shadow mr-3"></div>
                        <div>
                            <div class="font-medium">Selected Color</div>
                            <div id="picked-color-hex" class="text-sm font-mono">#9d7dce</div>
                        </div>
                    </div>
                    <button id="copy-picked-color" class="copy-btn px-3 py-1 bg-gray-200 dark:bg-gray-600 rounded-full text-sm flex items-center">
                        <i class="far fa-copy mr-1"></i> Copy
                    </button>
                </div>
                <div class="mt-3 grid grid-cols-3 gap-2">
                    <div>
                        <label class="text-xs text-gray-500 dark:text-gray-400">RGB</label>
                        <input type="text" id="picked-color-rgb" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                    </div>
                    <div>
                        <label class="text-xs text-gray-500 dark:text-gray-400">HSL</label>
                        <input type="text" id="picked-color-hsl" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                    </div>
                    <div>
                        <label class="text-xs text-gray-500 dark:text-gray-400">Name</label>
                        <input type="text" id="picked-color-name" readonly class="w-full px-2 py-1 border rounded text-sm font-mono bg-gray-50 dark:bg-gray-700">
                    </div>
                </div>
            </div>

            <!-- Color Steps -->
            <div class="mb-6">
                <h3 class="font-medium mb-3">Color Steps</h3>
                <div id="color-steps" class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-5 gap-3">
                    <!-- Color blocks will be generated here -->
                </div>
            </div>

            <!-- Tabs -->
            <div class="mb-6">
                <div class="flex border-b border-gray-200 dark:border-gray-700">
                    <button class="tab-btn px-4 py-2 font-medium text-blue-600 dark:text-blue-400 border-b-2 border-blue-600 dark:border-blue-400" data-tab="export">Export</button>
                    <button class="tab-btn px-4 py-2 font-medium text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100" data-tab="harmonies">Color Harmonies</button>
                    <button class="tab-btn px-4 py-2 font-medium text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100" data-tab="contrast">Contrast Checker</button>
                    <button class="tab-btn px-4 py-2 font-medium text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100" data-tab="preview">UI Preview</button>
                </div>

                <div id="export" class="tab-content active mt-4">
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                        <div>
                            <label class="block text-sm font-medium mb-2">CSS Gradient</label>
                            <div class="relative">
                                <textarea id="css-gradient" readonly class="w-full h-20 px-3 py-2 border rounded font-mono text-sm bg-gray-50 dark:bg-gray-700"></textarea>
                                <button onclick="copyToClipboard('css-gradient')" class="absolute top-2 right-2 copy-btn px-2 py-1 bg-gray-200 dark:bg-gray-600 rounded text-xs">
                                    <i class="far fa-copy mr-1"></i> Copy
                                </button>
                            </div>
                        </div>
                        <div>
                            <label class="block text-sm font-medium mb-2">SVG Gradient</label>
                            <div class="relative">
                                <textarea id="svg-gradient" readonly class="w-full h-20 px-3 py-2 border rounded font-mono text-sm bg-gray-50 dark:bg-gray-700"></textarea>
                                <button onclick="copyToClipboard('svg-gradient')" class="absolute top-2 right-2 copy-btn px-2 py-1 bg-gray-200 dark:bg-gray-600 rounded text-xs">
                                    <i class="far fa-copy mr-1"></i> Copy
                                </button>
                            </div>
                        </div>
                    </div>
                    <div class="mt-4">
                        <button id="download-png" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded flex items-center">
                            <i class="fas fa-download mr-2"></i> Download PNG
                        </button>
                    </div>
                </div>

                <div id="harmonies" class="tab-content mt-4">
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                        <div>
                            <h4 class="font-medium mb-3">Complementary</h4>
                            <div id="complementary-colors" class="grid grid-cols-5 gap-2">
                                <!-- Complementary colors will be generated here -->
                            </div>
                        </div>
                        <div>
                            <h4 class="font-medium mb-3">Analogous</h4>
                            <div id="analogous-colors" class="grid grid-cols-3 gap-2">
                                <!-- Analogous colors will be generated here -->
                            </div>
                        </div>
                        <div>
                            <h4 class="font-medium mb-3">Triadic</h4>
                            <div id="triadic-colors" class="grid grid-cols-3 gap-2">
                                <!-- Triadic colors will be generated here -->
                            </div>
                        </div>
                        <div>
                            <h4 class="font-medium mb-3">Tetradic</h4>
                            <div id="tetradic-colors" class="grid grid-cols-4 gap-2">
                                <!-- Tetradic colors will be generated here -->
                            </div>
                        </div>
                    </div>
                </div>

                <div id="contrast" class="tab-content mt-4">
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                        <div>
                            <h4 class="font-medium mb-3">Contrast Ratio</h4>
                            <div class="bg-gray-100 dark:bg-gray-700 p-4 rounded-lg">
                                <div class="flex items-center justify-between mb-2">
                                    <span>WCAG AA (4.5:1)</span>
                                    <span id="contrast-aa" class="contrast-ratio aa-pass">4.8:1</span>
                                </div>
                                <div class="flex items-center justify-between mb-2">
                                    <span>WCAG AAA (7:1)</span>
                                    <span id="contrast-aaa" class="contrast-ratio aaa-fail">4.8:1</span>
                                </div>
                                <div class="mt-4">
                                    <label class="block text-sm font-medium mb-2">Test Background</label>
                                    <input type="color" id="contrast-bg" value="#ffffff" class="w-full h-10 rounded cursor-pointer">
                                </div>
                            </div>
                        </div>
                        <div>
                            <h4 class="font-medium mb-3">Preview</h4>
                            <div id="contrast-preview" class="p-4 rounded-lg" style="background-color: #ffffff;">
                                <p class="text-lg" style="color: #3b82f6;">This is sample text to demonstrate contrast</p>
                                <p class="text-sm mt-2" style="color: #3b82f6;">Smaller text requires higher contrast</p>
                            </div>
                        </div>
                    </div>
                </div>

                <div id="preview" class="tab-content mt-4">
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                        <div>
                            <div class="bg-gray-100 dark:bg-gray-700 p-4 rounded-lg">
                                <div class="flex items-center justify-between mb-3">
                                    <h4 class="font-medium">Card</h4>
                                    <div class="flex">
                                        <button class="preview-mode-btn px-2 py-1 text-xs bg-gray-200 dark:bg-gray-600 rounded-l" data-mode="light">Light</button>
                                        <button class="preview-mode-btn px-2 py-1 text-xs bg-gray-300 dark:bg-gray-800 rounded-r" data-mode="dark">Dark</button>
                                    </div>
                                </div>
                                <div class="preview-card p-4 rounded-lg shadow" style="background: linear-gradient(to right, #3b82f6, #ec4899);">
                                    <h5 class="font-bold text-white">Card Title</h5>
                                    <p class="text-white text-opacity-90 text-sm mt-1">This is a preview card with your gradient</p>
                                </div>
                            </div>
                        </div>
                        <div>
                            <div class="bg-gray-100 dark:bg-gray-700 p-4 rounded-lg">
                                <h4 class="font-medium mb-3">Buttons</h4>
                                <div class="grid grid-cols-2 gap-3">
                                    <button class="px-4 py-2 rounded text-white font-medium" style="background-color: #3b82f6;">Primary</button>
                                    <button class="px-4 py-2 rounded text-white font-medium" style="background-color: #ec4899;">Secondary</button>
                                    <button class="px-4 py-2 rounded font-medium border" style="border-color: #3b82f6; color: #3b82f6;">Outline</button>
                                    <button class="px-4 py-2 rounded font-medium border" style="border-color: #ec4899; color: #ec4899;">Outline</button>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <footer class="text-center text-gray-600 dark:text-gray-400 text-sm mt-8">
            <p>Gradient Picker &copy; 2023 | Made with <i class="fas fa-heart text-red-500"></i> for designers & developers</p>
        </footer>
    </div>

    <script>
        // DOM Elements
        const color1Input = document.getElementById('color1');
        const color1HexInput = document.getElementById('color1-hex');
        const color1RgbInput = document.getElementById('color1-rgb');
        const color1HslInput = document.getElementById('color1-hsl');
        const color1NameInput = document.getElementById('color1-name');
        
        const color2Input = document.getElementById('color2');
        const color2HexInput = document.getElementById('color2-hex');
        const color2RgbInput = document.getElementById('color2-rgb');
        const color2HslInput = document.getElementById('color2-hsl');
        const color2NameInput = document.getElementById('color2-name');
        
        const stepsInput = document.getElementById('steps');
        const stepsValue = document.getElementById('steps-value');
        
        const gradientPreview = document.getElementById('gradient-preview');
        const colorPickerHandle = document.getElementById('color-picker-handle');
        
        const pickedColorInfo = document.getElementById('picked-color-info');
        const pickedColorSwatch = document.getElementById('picked-color-swatch');
        const pickedColorHex = document.getElementById('picked-color-hex');
        const pickedColorRgb = document.getElementById('picked-color-rgb');
        const pickedColorHsl = document.getElementById('picked-color-hsl');
        const pickedColorName = document.getElementById('picked-color-name');
        const copyPickedColorBtn = document.getElementById('copy-picked-color');
        
        const colorStepsContainer = document.getElementById('color-steps');
        
        const cssGradientTextarea = document.getElementById('css-gradient');
        const svgGradientTextarea = document.getElementById('svg-gradient');
        const downloadPngBtn = document.getElementById('download-png');
        
        const complementaryColorsContainer = document.getElementById('complementary-colors');
        const analogousColorsContainer = document.getElementById('analogous-colors');
        const triadicColorsContainer = document.getElementById('triadic-colors');
        const tetradicColorsContainer = document.getElementById('tetradic-colors');
        
        const contrastRatioAA = document.getElementById('contrast-aa');
        const contrastRatioAAA = document.getElementById('contrast-aaa');
        const contrastBgInput = document.getElementById('contrast-bg');
        const contrastPreview = document.getElementById('contrast-preview');
        
        // Tab functionality
        const tabButtons = document.querySelectorAll('.tab-btn');
        tabButtons.forEach(button => {
            button.addEventListener('click', () => {
                // Remove active class from all buttons and content
                tabButtons.forEach(btn => {
                    btn.classList.remove('text-blue-600', 'dark:text-blue-400', 'border-b-2', 'border-blue-600', 'dark:border-blue-400');
                    btn.classList.add('text-gray-600', 'dark:text-gray-400');
                });
                
                // Add active class to clicked button
                button.classList.add('text-blue-600', 'dark:text-blue-400', 'border-b-2', 'border-blue-600', 'dark:border-blue-400');
                button.classList.remove('text-gray-600', 'dark:text-gray-400');
                
                // Hide all tab content
                document.querySelectorAll('.tab-content').forEach(content => {
                    content.classList.remove('active');
                });
                
                // Show selected tab content
                const tabId = button.getAttribute('data-tab');
                document.getElementById(tabId).classList.add('active');
            });
        });
        
        // Preview mode (light/dark)
        const previewModeButtons = document.querySelectorAll('.preview-mode-btn');
        previewModeButtons.forEach(button => {
            button.addEventListener('click', () => {
                previewModeButtons.forEach(btn => {
                    btn.classList.remove('bg-gray-300', 'dark:bg-gray-800');
                    btn.classList.add('bg-gray-200', 'dark:bg-gray-600');
                });
                
                button.classList.add('bg-gray-300', 'dark:bg-gray-800');
                button.classList.remove('bg-gray-200', 'dark:bg-gray-600');
                
                const mode = button.getAttribute('data-mode');
                const previewCard = document.querySelector('.preview-card');
                
                if (mode === 'dark') {
                    previewCard.classList.add('dark-mode-preview');
                    previewCard.querySelector('h5').classList.add('dark:text-white');
                    previewCard.querySelector('p').classList.add('dark:text-white');
                } else {
                    previewCard.classList.remove('dark-mode-preview');
                    previewCard.querySelector('h5').classList.remove('dark:text-white');
                    previewCard.querySelector('p').classList.remove('dark:text-white');
                }
            });
        });
        
        // Initialize
        function init() {
            updateColorInfo(color1Input, color1HexInput, color1RgbInput, color1HslInput, color1NameInput);
            updateColorInfo(color2Input, color2HexInput, color2RgbInput, color2HslInput, color2NameInput);
            updateGradient();
            updateColorSteps();
            updateColorHarmonies();
            updateContrastRatio();
            
            // Set initial tab
            document.querySelector('.tab-btn[data-tab="export"]').click();
        }
        
        // Update color information
        function updateColorInfo(colorInput, hexInput, rgbInput, hslInput, nameInput) {
            const color = chroma(colorInput.value);
            
            // Update hex value
            hexInput.value = color.hex();
            
            // Update RGB value
            const rgb = color.rgb();
            rgbInput.value = `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`;
            
            // Update HSL value
            const hsl = color.hsl();
            hslInput.value = `hsl(${Math.round(hsl[0])}, ${Math.round(hsl[1] * 100)}%, ${Math.round(hsl[2] * 100)}%)`;
            
            // Update color name (simplified)
            nameInput.value = getColorName(color.hex());
        }
        
        // Simple color name lookup
        function getColorName(hex) {
            const colorMap = {
                '#3b82f6': 'Blue 500',
                '#ec4899': 'Pink 500',
                '#ffffff': 'White',
                '#000000': 'Black',
                '#f59e0b': 'Amber 500',
                '#10b981': 'Emerald 500',
                '#ef4444': 'Red 500',
                '#8b5cf6': 'Violet 500',
                '#f97316': 'Orange 500',
                '#14b8a6': 'Teal 500'
            };
            
            return colorMap[hex.toLowerCase()] || 'Custom Color';
        }
        
        // Update gradient preview
        function updateGradient() {
            const color1 = color1HexInput.value;
            const color2 = color2HexInput.value;
            
            gradientPreview.style.background = `linear-gradient(to right, ${color1}, ${color2})`;
            
            // Update CSS gradient code
            cssGradientTextarea.value = `background: linear-gradient(to right, ${color1}, ${color2});`;
            
            // Update SVG gradient code
            svgGradientTextarea.value = `<svg width="100%" height="100%">
    <defs>
        <linearGradient id="gradient" x1="0%" y1="0%" x2="100%" y2="0%">
            <stop offset="0%" stop-color="${color1}" />
            <stop offset="100%" stop-color="${color2}" />
        </linearGradient>
    </defs>
    <rect width="100%" height="100%" fill="url(#gradient)" />
</svg>`;
            
            // Update UI preview elements
            document.querySelectorAll('.preview-card').forEach(card => {
                card.style.background = `linear-gradient(to right, ${color1}, ${color2})`;
            });
            
            document.querySelectorAll('.preview-card h5, .preview-card p').forEach(text => {
                // Choose text color with better contrast
                const contrast1 = chroma.contrast(color1, '#ffffff');
                const contrast2 = chroma.contrast(color2, '#ffffff');
                text.style.color = contrast1 > contrast2 ? '#ffffff' : '#000000';
            });
            
            // Update buttons in preview
            const buttons = document.querySelectorAll('#preview button');
            if (buttons.length >= 4) {
                buttons[0].style.backgroundColor = color1;
                buttons[1].style.backgroundColor = color2;
                buttons[2].style.borderColor = color1;
                buttons[2].style.color = color1;
                buttons[3].style.borderColor = color2;
                buttons[3].style.color = color2;
            }
        }
        
        // Update color steps
        function updateColorSteps() {
            const steps = parseInt(stepsInput.value);
            stepsValue.textContent = steps;
            
            const color1 = color1HexInput.value;
            const color2 = color2HexInput.value;
            
            colorStepsContainer.innerHTML = '';
            
            // Generate color steps
            for (let i = 0; i < steps; i++) {
                const t = i / (steps - 1);
                const color = chroma.mix(color1, color2, t);
                const hex = color.hex();
                const rgb = color.rgb();
                const rgbStr = `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`;
                
                const colorBlock = document.createElement('div');
                colorBlock.className = 'color-block h-16 rounded-lg flex flex-col items-center justify-center text-white text-xs font-medium';
                colorBlock.style.backgroundColor = hex;
                colorBlock.innerHTML = `
                    <span class="font-mono">${hex}</span>
                    <button class="copy-btn mt-1 px-2 py-1 bg-black bg-opacity-20 rounded-full text-xs" data-color="${hex}">
                        <i class="far fa-copy mr-1"></i> Copy
                    </button>
                `;
                
                // Add click event to show color info
                colorBlock.addEventListener('click', () => {
                    showPickedColorInfo(hex);
                });
                
                // Add click event to copy button
                const copyBtn = colorBlock.querySelector('button');
                copyBtn.addEventListener('click', (e) => {
                    e.stopPropagation();
                    copyToClipboardFromAttribute(copyBtn, 'data-color');
                    
                    // Show feedback
                    const originalText = copyBtn.innerHTML;
                    copyBtn.innerHTML = '<i class="fas fa-check mr-1"></i> Copied!';
                    setTimeout(() => {
                        copyBtn.innerHTML = originalText;
                    }, 1500);
                });
                
                colorStepsContainer.appendChild(colorBlock);
            }
        }
        
        // Show picked color info
        function showPickedColorInfo(hex) {
            const color = chroma(hex);
            
            pickedColorSwatch.style.backgroundColor = hex;
            pickedColorHex.textContent = hex;
            
            const rgb = color.rgb();
            pickedColorRgb.value = `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`;
            
            const hsl = color.hsl();
            pickedColorHsl.value = `hsl(${Math.round(hsl[0])}, ${Math.round(hsl[1] * 100)}%, ${Math.round(hsl[2] * 100)}%)`;
            
            pickedColorName.value = getColorName(hex);
            
            pickedColorInfo.classList.remove('hidden');
            
            // Position the handle on the gradient
            const color1 = color1HexInput.value;
            const color2 = color2HexInput.value;
            
            if (hex.toLowerCase() === color1.toLowerCase()) {
                colorPickerHandle.style.left = '0%';
            } else if (hex.toLowerCase() === color2.toLowerCase()) {
                colorPickerHandle.style.left = '100%';
            } else {
                // Find position in gradient
                const steps = parseInt(stepsInput.value);
                let closestPos = 50;
                
                for (let i = 0; i < steps; i++) {
                    const t = i / (steps - 1);
                    const stepColor = chroma.mix(color1, color2, t);
                    if (stepColor.hex().toLowerCase() === hex.toLowerCase()) {
                        closestPos = t * 100;
                        break;
                    }
                }
                
                colorPickerHandle.style.left = `${closestPos}%`;
            }
        }
        
        // Update color harmonies
        function updateColorHarmonies() {
            const color = chroma(color1HexInput.value);
            
            // Complementary colors
            complementaryColorsContainer.innerHTML = '';
            const complementary = color.set('hsl.h', (color.get('hsl.h') + 180) % 360);
            addColorToHarmony(complementaryColorsContainer, color.hex());
            addColorToHarmony(complementaryColorsContainer, complementary.hex());
            
            // Analogous colors
            analogousColorsContainer.innerHTML = '';
            const analogous1 = color.set('hsl.h', (color.get('hsl.h') + 30) % 360);
            const analogous2 = color.set('hsl.h', (color.get('hsl.h') - 30 + 360) % 360);
            addColorToHarmony(analogousColorsContainer, analogous2.hex());
            addColorToHarmony(analogousColorsContainer, color.hex());
            addColorToHarmony(analogousColorsContainer, analogous1.hex());
            
            // Triadic colors
            triadicColorsContainer.innerHTML = '';
            const triadic1 = color.set('hsl.h', (color.get('hsl.h') + 120) % 360);
            const triadic2 = color.set('hsl.h', (color.get('hsl.h') + 240) % 360);
            addColorToHarmony(triadicColorsContainer, color.hex());
            addColorToHarmony(triadicColorsContainer, triadic1.hex());
            addColorToHarmony(triadicColorsContainer, triadic2.hex());
            
            // Tetradic colors
            tetradicColorsContainer.innerHTML = '';
            const tetradic1 = color.set('hsl.h', (color.get('hsl.h') + 90) % 360);
            const tetradic2 = color.set('hsl.h', (color.get('hsl.h') + 180) % 360);
            const tetradic3 = color.set('hsl.h', (color.get('hsl.h') + 270) % 360);
            addColorToHarmony(tetradicColorsContainer, color.hex());
            addColorToHarmony(tetradicColorsContainer, tetradic1.hex());
            addColorToHarmony(tetradicColorsContainer, tetradic2.hex());
            addColorToHarmony(tetradicColorsContainer, tetradic3.hex());
        }
        
        // Add color to harmony container
        function addColorToHarmony(container, hex) {
            const colorBlock = document.createElement('div');
            colorBlock.className = 'color-block h-16 rounded-lg flex flex-col items-center justify-center text-white text-xs font-medium';
            colorBlock.style.backgroundColor = hex;
            colorBlock.innerHTML = `
                <span class="font-mono">${hex}</span>
                <button class="copy-btn mt-1 px-2 py-1 bg-black bg-opacity-20 rounded-full text-xs" data-color="${hex}">
                    <i class="far fa-copy mr-1"></i> Copy
                </button>
            `;
            
            // Add click event to show color info
            colorBlock.addEventListener('click', () => {
                showPickedColorInfo(hex);
            });
            
            // Add click event to copy button
            const copyBtn = colorBlock.querySelector('button');
            copyBtn.addEventListener('click', (e) => {
                e.stopPropagation();
                copyToClipboardFromAttribute(copyBtn, 'data-color');
                
                // Show feedback
                const originalText = copyBtn.innerHTML;
                copyBtn.innerHTML = '<i class="fas fa-check mr-1"></i> Copied!';
                setTimeout(() => {
                    copyBtn.innerHTML = originalText;
                }, 1500);
            });
            
            container.appendChild(colorBlock);
        }
        
        // Update contrast ratio
        function updateContrastRatio() {
            const color = color1HexInput.value;
            const bgColor = contrastBgInput.value;
            const ratio = chroma.contrast(color, bgColor);
            
            contrastRatioAA.textContent = ratio.toFixed(1) + ':1';
            contrastRatioAAA.textContent = ratio.toFixed(1) + ':1';
            
            // Update classes based on WCAG guidelines
            contrastRatioAA.classList.remove('aa-pass', 'aa-fail');
            contrastRatioAAA.classList.remove('aaa-pass', 'aaa-fail');
            
            if (ratio >= 4.5) {
                contrastRatioAA.classList.add('aa-pass');
            } else {
                contrastRatioAA.classList.add('aa-fail');
            }
            
            if (ratio >= 7) {
                contrastRatioAAA.classList.add('aaa-pass');
            } else {
                contrastRatioAAA.classList.add('aaa-fail');
            }
            
            // Update preview
            contrastPreview.style.backgroundColor = bgColor;
            const previewText = contrastPreview.querySelectorAll('p');
            previewText.forEach(text => {
                text.style.color = color;
            });
        }
        
        // Copy to clipboard
        function copyToClipboard(elementId) {
            const element = document.getElementById(elementId);
            element.select();
            document.execCommand('copy');
            
            // Show feedback
            const originalText = element.value;
            if (elementId === 'css-gradient' || elementId === 'svg-gradient') {
                const button = element.nextElementSibling;
                const originalButtonText = button.innerHTML;
                button.innerHTML = '<i class="fas fa-check mr-1"></i> Copied!';
                setTimeout(() => {
                    button.innerHTML = originalButtonText;
                }, 1500);
            }
        }
        
        function copyToClipboardFromAttribute(element, attribute) {
            const text = element.getAttribute(attribute);
            navigator.clipboard.writeText(text);
        }
        
        // Download PNG
        function downloadPng() {
            alert('PNG download functionality would be implemented in a real application using a canvas library like html2canvas.');
            // In a real implementation, you would use html2canvas or similar to capture the gradient
            // and then create a download link for the PNG image.
        }
        
        // Event listeners
        color1Input.addEventListener('input', () => {
            color1HexInput.value = color1Input.value;
            updateColorInfo(color1Input, color1HexInput, color1RgbInput, color1HslInput, color1NameInput);
            updateGradient();
            updateColorSteps();
            updateColorHarmonies();
            updateContrastRatio();
        });
        
        color1HexInput.addEventListener('change', () => {
            if (chroma.valid(color1HexInput.value)) {
                color1Input.value = chroma(color1HexInput.value).hex();
                updateColorInfo(color1Input, color1HexInput, color1RgbInput, color1HslInput, color1NameInput);
                updateGradient();
                updateColorSteps();
                updateColorHarmonies();
                updateContrastRatio();
            } else {
                alert('Invalid HEX color code');
                color1HexInput.value = color1Input.value;
            }
        });
        
        color2Input.addEventListener('input', () => {
            color2HexInput.value = color2Input.value;
            updateColorInfo(color2Input, color2HexInput, color2RgbInput, color2HslInput, color2NameInput);
            updateGradient();
            updateColorSteps();
            updateContrastRatio();
        });
        
        color2HexInput.addEventListener('change', () => {
            if (chroma.valid(color2HexInput.value)) {
                color2Input.value = chroma(color2HexInput.value).hex();
                updateColorInfo(color2Input, color2HexInput, color2RgbInput, color2HslInput, color2NameInput);
                updateGradient();
                updateColorSteps();
                updateContrastRatio();
            } else {
                alert('Invalid HEX color code');
                color2HexInput.value = color2Input.value;
            }
        });
        
        stepsInput.addEventListener('input', () => {
            updateColorSteps();
        });
        
        // Gradient picker handle interaction
        let isDragging = false;
        
        colorPickerHandle.addEventListener('mousedown', () => {
            isDragging = true;
        });
        
        document.addEventListener('mousemove', (e) => {
            if (isDragging) {
                const gradientRect = gradientPreview.getBoundingClientRect();
                let x = e.clientX - gradientRect.left;
                x = Math.max(0, Math.min(x, gradientRect.width));
                
                const percentage = (x / gradientRect.width) * 100;
                colorPickerHandle.style.left = `${percentage}%`;
                
                // Calculate color at this position
                const color1 = color1HexInput.value;
                const color2 = color2HexInput.value;
                const color = chroma.mix(color1, color2, percentage / 100);
                
                // Update picked color info
                pickedColorSwatch.style.backgroundColor = color.hex();
                pickedColorHex.textContent = color.hex();
                
                const rgb = color.rgb();
                pickedColorRgb.value = `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`;
                
                const hsl = color.hsl();
                pickedColorHsl.value = `hsl(${Math.round(hsl[0])}, ${Math.round(hsl[1] * 100)}%, ${Math.round(hsl[2] * 100)}%)`;
                
                pickedColorName.value = getColorName(color.hex());
                
                pickedColorInfo.classList.remove('hidden');
            }
        });
        
        document.addEventListener('mouseup', () => {
            isDragging = false;
        });
        
        gradientPreview.addEventListener('click', (e) => {
            const gradientRect = gradientPreview.getBoundingClientRect();
            let x = e.clientX - gradientRect.left;
            x = Math.max(0, Math.min(x, gradientRect.width));
            
            const percentage = (x / gradientRect.width) * 100;
            colorPickerHandle.style.left = `${percentage}%`;
            
            // Calculate color at this position
            const color1 = color1HexInput.value;
            const color2 = color2HexInput.value;
            const color = chroma.mix(color1, color2, percentage / 100);
            
            // Update picked color info
            pickedColorSwatch.style.backgroundColor = color.hex();
            pickedColorHex.textContent = color.hex();
            
            const rgb = color.rgb();
            pickedColorRgb.value = `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`;
            
            const hsl = color.hsl();
            pickedColorHsl.value = `hsl(${Math.round(hsl[0])}, ${Math.round(hsl[1] * 100)}%, ${Math.round(hsl[2] * 100)}%)`;
            
            pickedColorName.value = getColorName(color.hex());
            
            pickedColorInfo.classList.remove('hidden');
        });
        
        copyPickedColorBtn.addEventListener('click', () => {
            navigator.clipboard.writeText(pickedColorHex.textContent);
            
            // Show feedback
            const originalText = copyPickedColorBtn.innerHTML;
            copyPickedColorBtn.innerHTML = '<i class="fas fa-check mr-1"></i> Copied!';
            setTimeout(() => {
                copyPickedColorBtn.innerHTML = originalText;
            }, 1500);
        });
        
        contrastBgInput.addEventListener('input', () => {
            updateContrastRatio();
        });
        
        downloadPngBtn.addEventListener('click', downloadPng);
        
        // Initialize the app
        init();
    </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=Decide2Design/gradiant-picker" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
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