Valkyrja Night for claude.ai (unofficial) by HrafnaValkyrja

Not affiliated with or endorsed by Anthropic. "Claude" is a trademark of Anthropic; it is used here only to name the website this add-on restyles.

Valkyrja Night restyles claude.ai in true black, for OLED screens and late nights:
• True-black backgrounds, with depth from faint indigo layers instead of grey.
• One cyan accent for buttons, links, focus and selection.
• Hot pink only where it carries meaning: errors and destructive actions.
• Readable code blocks; a single angular cut on code cards, dialogs and menus.
• Barlow, Chakra Petch and IBM Plex Mono fonts, bundled (SIL Open Font License).
• Works whether claude.ai is set to light or dark.

How it works: one stylesheet that sets claude.ai's own colour tokens. No JavaScript, no network requests, access to claude.ai only. This add-on collects no data.

Open source (MPL-2.0): https://github.com/HrafnaValkyrja/valkyrja-night-claude