Claude Dark Pro

Modifies Claude.ai dark theme to provide an even darker experience

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Claude Dark Pro
// @version      1.2
// @description  Modifies Claude.ai dark theme to provide an even darker experience
// @author       oMaN-Rod
// @match        https://claude.ai/*
// @grant        GM_addStyle
// @namespace https://greasyfork.org/users/1407958
// ==/UserScript==

(function () {
    'use strict';

    const colors = {
      // Base theme colors
      mainBg: '#121212',
      secondaryBg: '#1e1e1e',
      accent: '#4a90e2',
      border: 'rgba(255, 255, 255, 0.1)',

      // Code syntax colors (One Dark Pro)
      codeBg: 'rgb(18, 18, 18)',
      codeText: 'rgb(171, 178, 191)'
    };

    const customCSS = `
          /* Base theme styles */
          body.from-bg-200.to-bg-100 {
              background: ${colors.mainBg} !important;
          }

          html.bg-bg-200 {
              background-color: ${colors.mainBg} !important;
          }

          .bg-bg-100,
          .bg-bg-200 {
              background-color: ${colors.mainBg} !important;
          }

          .bg-bg-000,
          .bg-bg-300,
          .bg-bg-400,
          .bg-bg-500 {
              background-color: ${colors.secondaryBg} !important;
          }

          .text-accent-main-000 {
              color: ${colors.accent} !important;
          }

          .border-border-300 {
              border-color: ${colors.border} !important;
          }

          [class*="from-bg-"],
          [class*="to-bg-"],
          [class*="via-bg-"],
          .bg-gradient-to-b,
          .bg-gradient-to-r {
              background: ${colors.mainBg} !important;
              background-image: none !important;
          }

          /* Claude message bubble background */
          .bg-\\[linear-gradient\\(to_bottom\\,_hsla\\(var\\(--bg-000\\)\\/0\\.75\\)_0\\%\\,_hsla\\(var\\(--bg-000\\)_\\/_0\\)_90\\%\\)\\] {
              background: ${colors.mainBg} !important;
              background-image: none !important;
          }

          /* File thumbnails */
          [data-testid="file-thumbnail"] .bg-white {
              background-color: white !important;
          }

          [data-testid="file-thumbnail"] .from-white {
              --tw-gradient-from: white !important;
          }

          [data-testid="file-thumbnail"] .fill-white {
              fill: white !important;
          }

          /* Code block and artifact styling */
          pre, code, .antArtifact {
              background-color: ${colors.codeBg} !important;
              border: none !important;
              border-radius: 4px !important;
              color: ${colors.codeText} !important;
              text-shadow: rgba(0, 0, 0, 0.3) 0px 1px !important;
              font-family: "Fira Code", "Fira Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace !important;
          }

          .code-block__code {
              background: ${colors.codeBg} !important;
              border: 1px solid ${colors.border} !important;
              border-radius: 8px 8px 0 0 !important;
          }

          pre > div {
              background-color: #000000 !important;
              border-radius: 0 !important;
          }
      `;

    const styleSheet = document.createElement('style');
    styleSheet.textContent = customCSS;
    document.head.appendChild(styleSheet);
  })();