diff --git a/background.js b/background.js
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+++ b/background.js
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+// background.js
+chrome.browserAction.onClicked.addListener((tab) => {
+  // Send a message to the content script to toggle dark mode
+  chrome.tabs.sendMessage(tab.id, { action: 'toggleDarkMode' });
+});
diff --git a/content.js b/content.js
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+++ b/content.js
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+let isDarkMode = false; // Track current mode (light or dark)
+
+// Color Palette for Dark Mode
+const darkModeStyles = {
+  backgroundColor: '#121212',      // Dark background for general elements
+  color: '#e0e0e0',                // General text color
+  linkColor: '#bb86fc',            // Link color for dark mode
+  activeLinkColor: '#ff79c6',      // Active link color
+  buttonBackground: '#333333',     // Button background color for dark mode
+  buttonTextColor: '#e0e0e0',      // Button text color
+  inputBackground: '#333333',      // Input background color for dark mode
+  inputTextColor: '#e0e0e0',       // Input text color
+  codeBackground: '#1e1e1e',       // Code block background color for dark mode
+  borderColor: '#444444',          // Border color for inputs, buttons, etc.
+  containerBackground: '#181818',  // Even darker shade for containers like .s-topbar
+  siteSpecificHeaderFooterBackground: '#eeeeee', // Light background color for certain headers
+};
+
+// Function to apply dark mode via JavaScript only (without using CSS)
+function applyDarkMode() {
+  // Apply the general background and text color to the body
+  document.body.style.backgroundColor = darkModeStyles.backgroundColor;
+  document.body.style.color = darkModeStyles.color;
+
+  // 1. Loop through all elements to find light background colors and change them
+  const allElements = document.querySelectorAll('*');
+  allElements.forEach(el => {
+    const computedBackgroundColor = window.getComputedStyle(el).backgroundColor;
+    const computedBackgroundImage = window.getComputedStyle(el).backgroundImage;
+
+    // Check for light backgrounds (RGB or hex-based light colors) and ignore background images
+    if (isLightBackground(computedBackgroundColor) && computedBackgroundImage === 'none') {
+      el.style.backgroundColor = darkModeStyles.backgroundColor; // Set to dark mode color
+    } else if (computedBackgroundImage && (computedBackgroundImage.includes('linear-gradient') || computedBackgroundImage.includes('radial-gradient'))) {
+      // Handle gradients with pure white or light colors
+      el.style.backgroundImage = adjustLightGradients(computedBackgroundImage);
+    }
+
+    // Apply text color to all elements except code blocks and pre blocks
+    if (el.tagName !== 'CODE' && el.tagName !== 'PRE') {
+      el.style.color = darkModeStyles.color;
+    }
+
+    // Handle padding and margin issues by checking padding area background
+    handlePaddingAndMarginBackground(el);
+  });
+
+  // 2. Handle site-specific elements such as headers and footers (e.g., Craigslist, MDN, etc.)
+  const siteSpecificElements = document.querySelectorAll('header, footer, .header, .footer');
+  siteSpecificElements.forEach(el => {
+    const bgColor = window.getComputedStyle(el).backgroundColor;
+    if (bgColor === 'rgb(238, 238, 238)' || bgColor === 'rgba(238, 238, 238, 1)') {
+      el.style.backgroundColor = darkModeStyles.siteSpecificHeaderFooterBackground;
+    }
+  });
+
+  // 3. Handle other specific elements like buttons, inputs, code blocks, etc.
+  handleFormElements();
+  handleCodeBlocks();
+  handleLinks();
+}
+
+// Helper function to determine if a background color is light
+function isLightBackground(rgbColor) {
+  if (!rgbColor) return false; // If there's no color or invalid color, return false
+  const rgb = rgbColor.match(/^rgba?\((\d+), (\d+), (\d+)/);  // Match rgb values
+  if (rgb) {
+    const r = parseInt(rgb[1], 10);
+    const g = parseInt(rgb[2], 10);
+    const b = parseInt(rgb[3], 10);
+    // Simple luminance calculation to detect light colors
+    const luminance = 0.2126 * r + 0.7152 * g + 0.0722 * b;
+    return luminance > 150; // Threshold for light background
+  }
+  return false; // If it's not an RGB value, assume it's not light
+}
+
+// Function to adjust light colors in a gradient (specifically pure white or light colors)
+function adjustLightGradients(gradient) {
+  const gradientRegex = /(linear-gradient|radial-gradient)\((.*?)\)/;
+  return gradient.replace(gradientRegex, (match, type, gradientContent) => {
+    // Regex to match rgb or rgba color values in the gradient
+    const lightColorRegex = /rgba?\((\d+), (\d+), (\d+)(?:, (\d*\.?\d+))?\)/g;
+
+    // Replace each light color (e.g., rgb(255, 255, 255)) with a darker color
+    const adjustedGradient = gradientContent.replace(lightColorRegex, (colorMatch, r, g, b, a) => {
+      // Calculate luminance for detecting light colors
+      const luminance = 0.2126 * parseInt(r, 10) + 0.7152 * parseInt(g, 10) + 0.0722 * parseInt(b, 10);
+
+      // If the luminance is higher than a threshold (200), it's a light color
+      if (luminance > 200) {
+        // Replace light colors with a dark background color (e.g., #282828 or similar)
+        return `rgb(40, 40, 40)`; // Dark theme color
+      }
+      return colorMatch; // Keep dark colors unchanged
+    });
+
+    // Return the updated gradient
+    return `${type}(${adjustedGradient})`;
+  });
+}
+
+// Function to ensure padding and margin background colors are applied
+function handlePaddingAndMarginBackground(el) {
+  const padding = window.getComputedStyle(el).padding;
+  const margin = window.getComputedStyle(el).margin;
+  const bgColor = window.getComputedStyle(el).backgroundColor;
+
+  // Check if the element has padding or margin and is missing a background
+  if ((padding !== '0px' || margin !== '0px') && (bgColor === 'rgba(0, 0, 0, 0)' || bgColor === 'transparent')) {
+    el.style.backgroundColor = darkModeStyles.backgroundColor; // Ensure padding area has a background color
+  }
+}
+
+// Function to handle links with dark mode styling
+function handleLinks() {
+  const links = document.querySelectorAll('a');
+  links.forEach(link => {
+    link.style.color = darkModeStyles.linkColor;
+    if (link.hasAttribute('aria-selected') && link.getAttribute('aria-selected') === 'true') {
+      link.style.color = darkModeStyles.activeLinkColor; // Active state color for links
+    }
+  });
+}
+
+// Function to handle form elements (buttons, inputs)
+function handleFormElements() {
+  const buttons = document.querySelectorAll('button');
+  buttons.forEach(button => {
+    button.style.backgroundColor = darkModeStyles.buttonBackground;
+    button.style.color = darkModeStyles.buttonTextColor;
+    button.style.borderColor = darkModeStyles.borderColor;
+    if (button.hasAttribute('aria-pressed') && button.getAttribute('aria-pressed') === 'true') {
+      button.style.backgroundColor = darkModeStyles.activeLinkColor; // Active state for buttons
+    }
+  });
+
+  const inputs = document.querySelectorAll('input, textarea, select');
+  inputs.forEach(input => {
+    input.style.backgroundColor = darkModeStyles.inputBackground;
+    input.style.color = darkModeStyles.inputTextColor;
+    input.style.borderColor = darkModeStyles.borderColor;
+  });
+}
+
+// Function to handle code blocks with dark mode styling
+function handleCodeBlocks() {
+  const codeBlocks = document.querySelectorAll('code, pre');
+  codeBlocks.forEach(code => {
+    code.style.backgroundColor = darkModeStyles.codeBackground;
+    code.style.color = darkModeStyles.color; // Use the dark text color for code
+  });
+}
+
+// Function to revert to light mode (optional)
+function revertLightMode() {
+  // Reset all styles
+  document.body.style.backgroundColor = '';
+  document.body.style.color = '';
+  const allElements = document.querySelectorAll('*');
+  allElements.forEach(el => {
+    el.style.backgroundColor = '';
+    el.style.backgroundImage = '';
+    el.style.color = '';
+  });
+}
+
+// Listen for the toggle dark mode action
+chrome.runtime.onMessage.addListener((message) => {
+  if (message.action === 'toggleDarkMode') {
+    if (isDarkMode) {
+      revertLightMode();
+    } else {
+      applyDarkMode();
+    }
+    isDarkMode = !isDarkMode;
+  }
+});
+
+// Apply dark mode on page load
+if (isDarkMode) {
+  applyDarkMode();
+} else {
+  revertLightMode();
+}
diff --git a/icons/icon128.png b/icons/icon128.png
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diff --git a/icons/icon16.png b/icons/icon16.png
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diff --git a/icons/icon48.png b/icons/icon48.png
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diff --git a/icons/icon96.png b/icons/icon96.png
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diff --git a/manifest.json b/manifest.json
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--- /dev/null
+++ b/manifest.json
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+{
+    "manifest_version": 2,
+    "name": "Dark Mode Toggle",
+    "version": "1.0",
+    "description": "Toggle dark mode using inline styles without affecting fingerprinting tools.",
+    "permissions": [
+      "activeTab"
+    ],
+    "background": {
+      "scripts": ["background.js"]
+    },
+    "browser_action": {
+      "default_icon": "icons/icon48.png",
+      "default_title": "Toggle Dark Mode"
+    },
+    "content_scripts": [
+      {
+        "matches": ["<all_urls>"],
+        "js": ["content.js"]
+      }
+    ],
+    "icons": {
+      "16": "icons/icon16.png",
+      "48": "icons/icon48.png",
+      "96": "icons/icon96.png",
+      "128": "icons/icon128.png"
+    }
+  }
+  
\ No newline at end of file