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SKL · 13PRO

DeepSpace.

The visual language of spacecraft panels and mission control — dark, precise, meditative. For tools where users need to feel like they're operating something significant.

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01 · The Vibe

Deep space design takes its visual language from the places humans have only ever seen through screens — the interior of space stations, the instrument panels of spacecraft, the visualization interfaces of observatories and mission control rooms. It's darker and more considered than cyberpunk, more technical and precise than dark luxury. There's something meditative about it — the vastness implied by the aesthetic makes even small apps feel like they're doing something important. HAL 9000's interface. The Expanse's ship screens. Interstellar's Cooper Station readouts. Serious, beautiful, and unlike anything in mainstream consumer software.

● Looks Like
NASA mission control interfacesThe Expanse's ship UIInterstellar's visualization screensSpace station instrument panelsKerbal Space Program's UIESA and SpaceX launch visualization softwareScience fiction that takes science seriously
02 · Best For / Avoid If
＋ Best For
+Data visualization tools and scientific software
+Productivity tools and dashboards where focus and depth of thought matter
+Developer tools with a longer dwell time — tools people spend hours in
+Climate, astronomy, and scientific applications
+Any tool built for serious professionals who want to feel like they're operating something significant
+Portfolio tools for engineers, scientists, and technical creators
× Avoid If
×Your audience is casual and needs the interface to feel approachable and light
×You have lots of imagery — photography sits uncomfortably in deep space interfaces
×Your product is fast-paced and reactive — deep space aesthetic rewards slow, focused use
×Your brand needs to be warm, friendly, or playful
03 · Design Philosophy
01

The silence of space

Deep space design uses negative space the way space itself uses it — not as emptiness to fill, but as the primary substance. Elements are placed like stars: precisely, with great distances between them that make each one feel important. The silence of the interface communicates the gravity of what's happening inside it. This is design that asks users to pay attention.

02

Every element earns its light

In deep space, light is precious. Interfaces take their cue from instrument panels and radar screens — most of the surface is dark, and the elements that are lit are lit because they carry information. A glowing ring means something. A lit indicator means something. Nothing emits light decoratively. This discipline means users always know where to look, because light itself is the navigation system.

03

Precision is the aesthetic

Mission-critical interfaces must be right. Deep space design communicates precision through tight typographic hierarchies, consistent grid structures, and a restraint around color that says "every value here means something." Numbers are displayed with full decimal places. Labels are in uppercase monospace. Progress is shown on arcs and gauges, not just bars. The aesthetic communicates that the software was built by people who don't tolerate approximation.

04 · Use With Claude / Cursor
Claude
01Open your Claude project
02Click 'Add files' in the Project Knowledge panel
03Drop in SKILL.md and DESIGN.md
04Start a new chat in the project — Claude follows the spec
Cursor
01Place SKILL.md and DESIGN.md in your repo root
02Open .cursor/rules and add @SKILL.md @DESIGN.md
03Restart Cursor for the rules to apply
04Build normally — Cursor references both files per request
★ PRO TIP

Before building with Claude Code, drop SKILL.md and DESIGN.md into Claude Design first. Use it to generate mockups and nail the visual direction — then hand those references to Claude Code. You'll get significantly higher quality output than going straight to code.

05 · Watch Out For
! WARNING
Cold and uninviting
Deep space can feel sterile and off-putting if pushed too far. Add warmth through very subtle amber or gold accents for key highlighted values — one warm note in a cold palette makes the cold feel intentional rather than accidental.
! WARNING
Missing the arc elements
Circular and arc-based UI elements are the single most recognizable element of space interface design. If everything is rectangular, it loses the aesthetic. Ask Claude specifically for circular progress rings, gauge elements, and radial displays.
! WARNING
Forgetting ambient elements
Real spacecraft interfaces have always-on readouts in the background — not important enough to read, but present enough to feel alive. Ask Claude for subtle ambient data elements: a slowly updating coordinate display, a system status ticker.
! WARNING
Typography that's too readable
Deep space interfaces benefit from a slightly technical type treatment — tighter tracking, uppercase labels, monospace for data — that gives the interface a slightly inhuman precision. All-normal-typography loses the atmosphere.
● 07 · Download

Two files. That's it.

Drop them into your Claude project or Cursor rules and build normally. No CLI, no package manager, no setup.

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