A submarine's quiet, dark command center with glowing radar displays.
02
Color
#F9EAC2Accent
#F3F6FAInk
#C6CDD5Ink soft
#13202DBG
#1C2A38BG soft
#1B4747BG quiet
#434A52Muted
rgba(14, 18, 22, 0.82)Line
High contrast between dark oceanic backgrounds and warm, glowing accents for critical UI elements.
03
Typography
casual-script · monospace
display56px · 600
body16px · 400
All text uses casual-script families for a hand-drawn feel. · Menu items use uppercase with increased letter-spacing. · Accent text uses a warm parchment color for contrast.
04
Spacing
4px
8px
16px
24px
32px
48px
64px
96px
Generous vertical spacing between menu items creates a calm, unhurried interface.
05
Surfaces
sm · 4px
md · 8px
lg · 14px
pill · 999px
Semi-transparent light borders on buttons and cards against dark backgrounds.
Don't use white or very light backgrounds — screenshot shows a deep, dark oceanic background.
Avoid: Don't use bright, saturated primary colors.
Avoid: Don't use sharp, geometric, or modern sans-serif fonts.
Avoid: Don't use busy, cluttered layouts with many competing elements.
Avoid: Don't use fast, jarring animations or transitions.
Avoid: Don't use loud, aggressive call-to-action buttons.
Avoid: Don't use white or very light backgrounds.
11
System prompt
Silent Shark is a tactical submarine simulation game with a dark, atmospheric interface. The design uses a deep oceanic background with hex #13202D and ink white #F3F6FA for high contrast. Accent color is a warm parchment #F9EAC2. Typography is exclusively casual-script (Patrick Hand, Special Elite) for a hand-drawn feel. Critical donts: avoid bright saturated colors, avoid modern sans-serif fonts, avoid cluttered layouts, avoid jarring animations, avoid loud CTAs, and avoid light backgrounds. The interface is calm, centered, and atmospheric, focusing on the game's strategic and silent nature.
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