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add-dark-mode

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Actualizado3 de julio de 2026 a las 20:28

Add dark mode with colors, shadows, and surfaces handled the way a designer would.

Instalación

Instalar con Codex o Claude Copia este prompt, pégalo en Codex, Claude u otro asistente, y deja que revise la página de la skill y la instale por ti.

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Fuente

christofferbergj

christofferbergj/dotfiles

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Ocupaciones relacionadasSOC

Basado en la clasificación ocupacional SOC

Diseñadores de interfaces web y digitalesOcupaciones informáticas y matemáticas·SOC 15-1255

SKILL.md

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name	add-dark-mode
description	Add dark mode with colors, shadows, and surfaces handled the way a designer would.

Add Dark Mode

Use this when the user wants to add dark mode support to an existing UI.

Activation

Use For

adding dark mode to a page, section, component, or site
improving an existing dark mode treatment
converting a light-mode-only UI to support dark mode

Do Not Use For

brand-new design or layout work
standalone image dark-mode conversion
responsive behavior, component organization, or general visual polish without dark mode

Load First

No companion files are required.
Dark-mode design guidance is inline below.

Progress Updates

Keep the user informed so longer runs do not look stuck.

One-line status update before each major phase.
Concrete and lightweight: what you are doing now, not verbose logs.

Workflow

Inspect the existing UI and project Tailwind conventions.
Convert markup to include appropriate dark-mode classes.
Audit rasterized images for dark-mode variants.
For each rasterized image that needs a dark-mode variant, hand off to dark-mode-image, which MUST load and use the imagegen skill before creating or editing image assets.
Save generated dark-mode images alongside the originals and wire them into the dark-mode UI.

Dark Mode Rules

Design Rules

Dark mode is about maintaining the same contrast ratios as light mode, not simply inverting colors
Dark mode doesn't need to preserve every detail of the light mode design — it just needs to look good
Default dark mode to follow the operating system's prefers-color-scheme setting (Tailwind's built-in dark: behavior); only add a manual toggle when the user explicitly asks for one
Remove all shadows in dark mode — use dark:shadow-none
On dark-mode-only sites, add the scheme-only-dark class to <html> or the top-level element — ensures native elements like scrollbars, form controls, and color-scheme render in dark mode

Component Rules

Never keep large branded/colored panels in dark mode; instead use the same background color and add a light divider between sections
Style cards only slightly lighter than the page background (e.g. dark:bg-gray-900 on a dark:bg-gray-950 page); add a dark:inset-ring dark:inset-ring-white/5 for definition
Make decorative quote marks in testimonials very faint (e.g. dark:text-white/5)
Never use multiple heading text colors in dark mode (e.g. dark gray + brand color); use a single light color like white or gray-100 for all heading text

Raster Image Rules

When adding or improving dark mode, audit the page for rasterized images that need dark-mode versions: photos, screenshots, product mockups, decorative backgrounds, textures, and rasterized illustrations
Never use CSS filters (invert, brightness, contrast, opacity) as the final dark-mode treatment for raster images; always create real dark-mode image files
Generate dark-mode raster image variants with the dark-mode-image skill, which MUST load and use the imagegen skill before creating or editing any raster image assets

SVG Rules

For inline <svg> elements, style dark mode with Tailwind dark:* classes (e.g. dark:fill-*, dark:stroke-*, dark:text-*)
For external SVG files referenced via <img>, always create a dark-mode version alongside the original (e.g. logo.svg and logo-dark.svg); never substitute CSS filters (invert, brightness) or opacity adjustments for a true dark variant

Guardrails

Do not generate, edit, or replace raster image assets directly from this skill; dark-mode-image owns that work and MUST use the imagegen skill.
Require the dark-mode-image + imagegen handoff even when the image change seems simple, decorative, or incidental.

Verify

Check light and dark modes for contrast, missing variants, and images that still assume a light background.

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name	add-dark-mode
description	Add dark mode with colors, shadows, and surfaces handled the way a designer would.

Add Dark Mode

Use this when the user wants to add dark mode support to an existing UI.

Activation

Use For

adding dark mode to a page, section, component, or site
improving an existing dark mode treatment
converting a light-mode-only UI to support dark mode

Do Not Use For

brand-new design or layout work
standalone image dark-mode conversion
responsive behavior, component organization, or general visual polish without dark mode

Load First

No companion files are required.
Dark-mode design guidance is inline below.

Progress Updates

Keep the user informed so longer runs do not look stuck.

One-line status update before each major phase.
Concrete and lightweight: what you are doing now, not verbose logs.

Workflow

Inspect the existing UI and project Tailwind conventions.
Convert markup to include appropriate dark-mode classes.
Audit rasterized images for dark-mode variants.
For each rasterized image that needs a dark-mode variant, hand off to dark-mode-image, which MUST load and use the imagegen skill before creating or editing image assets.
Save generated dark-mode images alongside the originals and wire them into the dark-mode UI.

Dark Mode Rules

Design Rules

Dark mode is about maintaining the same contrast ratios as light mode, not simply inverting colors
Dark mode doesn't need to preserve every detail of the light mode design — it just needs to look good
Default dark mode to follow the operating system's prefers-color-scheme setting (Tailwind's built-in dark: behavior); only add a manual toggle when the user explicitly asks for one
Remove all shadows in dark mode — use dark:shadow-none
On dark-mode-only sites, add the scheme-only-dark class to <html> or the top-level element — ensures native elements like scrollbars, form controls, and color-scheme render in dark mode

Component Rules

Never keep large branded/colored panels in dark mode; instead use the same background color and add a light divider between sections
Style cards only slightly lighter than the page background (e.g. dark:bg-gray-900 on a dark:bg-gray-950 page); add a dark:inset-ring dark:inset-ring-white/5 for definition
Make decorative quote marks in testimonials very faint (e.g. dark:text-white/5)
Never use multiple heading text colors in dark mode (e.g. dark gray + brand color); use a single light color like white or gray-100 for all heading text

Raster Image Rules

When adding or improving dark mode, audit the page for rasterized images that need dark-mode versions: photos, screenshots, product mockups, decorative backgrounds, textures, and rasterized illustrations
Never use CSS filters (invert, brightness, contrast, opacity) as the final dark-mode treatment for raster images; always create real dark-mode image files
Generate dark-mode raster image variants with the dark-mode-image skill, which MUST load and use the imagegen skill before creating or editing any raster image assets

SVG Rules

For inline <svg> elements, style dark mode with Tailwind dark:* classes (e.g. dark:fill-*, dark:stroke-*, dark:text-*)
For external SVG files referenced via <img>, always create a dark-mode version alongside the original (e.g. logo.svg and logo-dark.svg); never substitute CSS filters (invert, brightness) or opacity adjustments for a true dark variant

Guardrails

Do not generate, edit, or replace raster image assets directly from this skill; dark-mode-image owns that work and MUST use the imagegen skill.
Require the dark-mode-image + imagegen handoff even when the image change seems simple, decorative, or incidental.

Verify

Check light and dark modes for contrast, missing variants, and images that still assume a light background.