Specifications / Dark Theme

Theme Specification

Dark Mode

Primary interface theme with slate backgrounds and cyan accents

01

Color Palette

Slate Scale

Slate 950
#020617
Slate 900
#0f172a
Slate 800
#1e293b
Slate 700
#334155
Slate 600
#475569
Slate 500
#64748b
Slate 400
#94a3b8
Slate 300
#cbd5e1
Slate 200
#e2e8f0
Slate 100
#f1f5f9

Cyan Accent

Cyan 500
#0ea5e9
Cyan 400
#22d3ee
Cyan 300
#67e8f9
02

CSS Variables

Variable Value Usage
--slate-950 #020617 Page background
--slate-900 #0f172a Card backgrounds, elevated surfaces
--slate-800 #1e293b Borders, grid lines, dividers
--slate-700 #334155 Secondary borders, hover states
--slate-500 #64748b Muted text, placeholders
--slate-400 #94a3b8 Secondary text
--slate-300 #cbd5e1 Body text (default)
--slate-100 #f1f5f9 Headlines, primary text
--cyan-500 #0ea5e9 Primary accent, interactive elements
--cyan-400 #22d3ee Hover states, highlights
--cyan-glow rgba(14, 165, 233, 0.4) Strong glow effects
--cyan-glow-soft rgba(14, 165, 233, 0.15) Subtle glow, hover backgrounds
03

Typography

EXOPLANS
Font
Audiowide
Variable
--font-display
Usage
Logo, hero text, brand elements
Section Headings
Font
Teko
Variable
--font-heading
Usage
Section titles, navigation, labels
Body text and data displays use JetBrains Mono for its technical, precise character that matches the construction industry aesthetic.
Font
JetBrains Mono
Variable
--font-mono
Usage
Body text, data, code, tables
Variable Value Fallback
--font-display 'Audiowide' sans-serif
--font-heading 'Teko' sans-serif
--font-mono 'JetBrains Mono' monospace
--font-alt 'Aldrich' sans-serif
04

Semantic Mapping

Background
--slate-950
Surface / Card
--slate-900
Border
--slate-800
Border Hover
--slate-700
Muted Text
--slate-500
Body Text
--slate-300
Headings
--slate-100
Primary Accent
--cyan-500
Accent Hover
--cyan-400
05

Effects

Cyan Glow

box-shadow: 0 0 20px var(--cyan-glow),
  0 0 40px var(--cyan-glow-soft);

Soft Glow

box-shadow: 0 0 15px var(--cyan-glow-soft);

Surface Gradient

background: linear-gradient(135deg,
  var(--slate-950), var(--slate-800));
/* Glow Variables */
--cyan-glow: rgba(14, 165, 233, 0.4);
--cyan-glow-soft: rgba(14, 165, 233, 0.15);

/* Common Patterns */
box-shadow: 0 0 20px var(--cyan-glow); /* Strong glow */
box-shadow: 0 0 30px var(--cyan-glow-soft); /* Hover state */
background: rgba(14, 165, 233, 0.05); /* Active state bg */