Windows 3.1 Web Designer

Creates modern 2026 web applications with authentic Windows 3.1 aesthetic. Not recreating 1992—extrapolating Win31 to modern contexts: AI assistants as Cue Card systems, mobile as pocket organizers, responsive as tiled MDI windows.

When to Use

Use for:

•Web apps with Win31 authenticity (documentation sites, retro dashboards)
•AI chatbot interfaces (Cue Card-style assistants, wizard dialogs)
•Mobile-responsive Win31 UIs (pocket computing paradigm)
•Program Manager navigation patterns
•Tiled/cascading window layouts
•MDI (Multiple Document Interface) applications
•Hotdog Stand mode easter eggs

Do NOT use for:

•Windows 95 aesthetic → use windows-95-web-designer (gradients, Start menu, taskbar)
•Vaporwave/synthwave → use vaporwave-glassomorphic-ui-designer (neons, gradients)
•macOS/iOS styling → use native-app-designer
•Flat/Material design → use web-design-expert

Win31 vs Win95: Critical Differences

Feature	Windows 3.1	Windows 95
Title bar	Solid navy (#000080)	Gradient (dark→light blue)
Window controls	Single menu button	Three buttons (−, □, ×)
Navigation	Program Manager	Start Menu + Taskbar
Fonts	Bitmap/VT323	MS Sans Serif, Tahoma
Icons	32×32 flat	32×32 with drop shadow
Depth	Bevels only	Bevels + subtle gradients
AI style	Cue Cards, Wizards	Clippy character

Core Design System

Color Palette

Color	Hex	CSS Variable	Usage
System Gray	#c0c0c0	`--win31-gray`	THE primary background
Dark Gray	#808080	`--win31-dark-gray`	Shadows, pressed states
Light Gray	#dfdfdf	`--win31-light-gray`	Highlights
Navy	#000080	`--win31-navy`	Title bar (SOLID, no gradient)
Teal	#008080	`--win31-teal`	Desktop, links, highlights
White	#ffffff	`--win31-white`	Beveled highlights, inputs
Black	#000000	`--win31-black`	Beveled shadows, borders

The Win31 Title Bar (SOLID)

THE signature Win31 element - solid navy, no gradient:

css

.win31-titlebar {
  background: #000080; /* SOLID - never a gradient! */
  color: white;
  font-family: 'VT323', 'Courier New', monospace;
  font-weight: bold;
  font-size: 11px;
  padding: 3px 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.win31-titlebar-inactive {
  background: #808080; /* Solid dark gray when inactive */
}

Window Control Button (Single)

Win31 has ONE control button (not Win95's three):

css

.win31-control-btn {
  width: 18px;
  height: 14px;
  background: var(--win31-gray);
  border: none;
  font-size: 8px;
  font-family: var(--font-pixel);

  /* 3D bevel - outset */
  box-shadow:
    inset -1px -1px 0 var(--win31-black),
    inset 1px 1px 0 var(--win31-white),
    inset -2px -2px 0 var(--win31-dark-gray),
    inset 2px 2px 0 var(--win31-light-gray);
}

.win31-control-btn:active {
  box-shadow:
    inset 1px 1px 0 var(--win31-black),
    inset -1px -1px 0 var(--win31-white);
}

The Sacred Rule: Beveled Borders

OUTSET (Raised) - Buttons, toolbars:

•Top/Left border: WHITE
•Bottom/Right border: BLACK
•Inner: light-gray TL, dark-gray BR

INSET (Sunken) - Text fields, content areas:

•Top/Left border: DARK GRAY
•Bottom/Right border: WHITE
•Inner: black TL, light-gray BR

Typography

Use	Font	Fallback	Size
UI Labels	VT323	Courier New	12px
Title bars	VT323 Bold	Courier New Bold	11px
Headings	Press Start 2P	VT323	14px
Code	IBM Plex Mono	Courier Prime	12px

Web font stack:

css

:root {
  --font-win31-ui: 'VT323', 'Courier New', monospace;
  --font-win31-pixel: 'Press Start 2P', 'VT323', monospace;
  --font-win31-code: 'IBM Plex Mono', 'Courier Prime', monospace;
}

Modern Extrapolations

AI Chatbots: The Cue Card Paradigm

Win31 would present AI as a modal wizard system, not an animated character:

code

┌─ AI Assistant ──────────────────────[─]─┐
│                                          │
│  ┌────────────────────────────────────┐  │
│  │  What would you like help with?    │  │
│  │                                    │  │
│  │  ○ Writing a document              │  │
│  │  ○ Working with files              │  │
│  │  ○ Setting up your system          │  │
│  │  ○ Learning Windows basics         │  │
│  └────────────────────────────────────┘  │
│                                          │
│         [  OK  ]  [ Cancel ]  [ Help ]   │
└──────────────────────────────────────────┘

Key patterns:

•No animated characters (pre-Clippy)
•One question at a time (modal)
•Radio button/numbered choices
•Step-by-step wizard indicators
•Cue Cards floating alongside app

Mobile: The Pocket Computing Paradigm

Win31 on mobile extrapolates to pocket organizer with Program Manager:

code

┌────────────────────────────┐
│ ■ Program Manager ─ 10:45  │  ← Title bar with time
├────────────────────────────┤
│ ╔════════════════════════╗ │
│ ║ Main                  ║ │
│ ╠════════════════════════╣ │
│ ║  ┌───┐   ┌───┐        ║ │
│ ║  │📁│   │📝│        ║ │  ← Program group
│ ║  │Mgr│   │Wrt│        ║ │
│ ║  └───┘   └───┘        ║ │
│ ╚════════════════════════╝ │
├────────────────────────────┤
│ [ Window ]  [ Help ]       │  ← Menu bar bottom
└────────────────────────────┘

Key patterns:

•Program Manager is navigation (not Start menu)
•One window at a time (modal stack)
•Dialog stack pattern (overlays cascade)
•Menu bar at bottom for touch
•Swipe left = close window

Responsive: MDI as Breakpoints

Win31 used Multiple Document Interface. Apply this:

Breakpoint	Win31 Metaphor	Layout
Mobile (<640px)	Pocket computing	Single window, modal dialogs
Tablet (640-1024px)	Laptop	Cascading windows
Desktop (>1024px)	Full desktop	Tiled MDI windows

Theming: Hotdog Stand and Beyond

Windows 3.1 had limited but memorable themes:

css

/* Hotdog Stand (the infamous red/yellow) */
[data-theme="hotdog-stand"] {
  --win31-gray: #ff0000;
  --win31-dark-gray: #800000;
  --win31-light-gray: #ff8080;
  --win31-navy: #ffff00;
  --win31-title-text: #ff0000;
}

/* Monochrome (high contrast) */
[data-theme="monochrome"] {
  --win31-gray: #ffffff;
  --win31-dark-gray: #000000;
  --win31-light-gray: #ffffff;
  --win31-navy: #000000;
  --win31-teal: #000000;
}

Component Patterns

Program Manager Window

css

.win31-program-manager {
  position: fixed;
  inset: 0;
  background: var(--win31-teal);
  display: flex;
  flex-direction: column;
}

.win31-program-group {
  background: var(--win31-gray);
  border: 3px solid var(--win31-black);
  box-shadow:
    inset 2px 2px 0 var(--win31-white),
    inset -2px -2px 0 var(--win31-dark-gray);
  margin: 8px;
  min-width: 200px;
}

.win31-program-group-titlebar {
  background: var(--win31-navy);
  color: var(--win31-white);
  padding: 2px 6px;
  font-family: var(--font-pixel);
  font-size: 10px;
  font-weight: bold;
}

.win31-program-icons {
  display: grid;
  grid-template-columns: repeat(auto-fill, 64px);
  gap: 8px;
  padding: 12px;
}

Dialog Box

css

.win31-dialog {
  min-width: 300px;
  background: var(--win31-gray);
  border: 3px solid var(--win31-black);
  box-shadow:
    inset 2px 2px 0 var(--win31-white),
    inset -2px -2px 0 var(--win31-dark-gray),
    4px 4px 0 var(--win31-black);
}

.win31-dialog-content {
  padding: 16px;
  display: flex;
  gap: 16px;
}

.win31-dialog-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.win31-dialog-buttons {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px 16px;
}

Menu Bar

css

.win31-menubar {
  background: var(--win31-gray);
  border-bottom: 2px solid var(--win31-dark-gray);
  padding: 2px;
  display: flex;
  gap: 0;
}

.win31-menu-item {
  padding: 4px 12px;
  font-family: var(--font-pixel);
  font-size: 11px;
  cursor: pointer;
}

.win31-menu-item:hover,
.win31-menu-item--active {
  background: var(--win31-navy);
  color: var(--win31-white);
}

.win31-menu-dropdown {
  position: absolute;
  background: var(--win31-gray);
  border: 2px solid;
  border-color: var(--win31-white) var(--win31-black)
               var(--win31-black) var(--win31-white);
  min-width: 150px;
  z-index: 100;
}

Status Bar

css

.win31-statusbar {
  display: flex;
  gap: 2px;
  padding: 2px;
  background: var(--win31-gray);
  border-top: 2px solid var(--win31-dark-gray);
}

.win31-statusbar-panel {
  flex: 1;
  padding: 2px 8px;
  font-family: var(--font-pixel);
  font-size: 10px;
  border: 1px solid;
  border-color: var(--win31-dark-gray) var(--win31-white)
               var(--win31-white) var(--win31-dark-gray);
}

Anti-Patterns

Anti-Pattern: Title Bar Gradients

Novice thinking: "Win31 has blue title bars like Win95" Reality: Win31 has SOLID navy. Gradient is Win95 only. Instead: background: #000080 (never linear-gradient)

Anti-Pattern: Three Window Buttons

Novice thinking: "Windows has minimize, maximize, close" Reality: Win31 has a SINGLE menu button (−). The three-button pattern is Win95. Instead: One button that opens a system menu

Anti-Pattern: Start Menu/Taskbar

Novice thinking: "Windows navigation = Start button" Reality: Win31 uses Program Manager. No taskbar, no Start. Instead: Program groups with cascading/tiled windows

Anti-Pattern: Neon Colors

Novice thinking: #00d4ff, #ff00ff for retro feel Reality: This is vaporwave, not Win31 Instead: Muted palette: teal (#008080), navy (#000080), gray (#c0c0c0)

Anti-Pattern: Rounded Corners

Novice thinking: border-radius: 8px for friendly UI Reality: Win31 has sharp 90° corners everywhere Instead: No border-radius (or 0)

Anti-Pattern: Blur Effects

Novice thinking: backdrop-filter: blur(10px), soft shadows Reality: Win31 has no blur—only hard-edge bevels Instead: Sharp bevel shadows: box-shadow: 4px 4px 0 #000

Anti-Pattern: Dark Backgrounds

Novice thinking: Dark mode = #1a1a2e backgrounds Reality: Win31 is LIGHT. System gray (#c0c0c0) everywhere. Instead: Light gray base with teal desktop

Anti-Pattern: Clippy-Style Characters

Novice thinking: Win31 had assistant characters Reality: Clippy came with Office 97 (Win95 era). Win31 used Cue Cards. Instead: Modal dialogs, step-by-step wizards, floating help cards

Quick Decision Tree

code

Is it a window chrome element?
├── Title bar? → SOLID navy (no gradient!)
├── Control button? → SINGLE button (not three)
├── Button? → 3D bevel (white TL, black BR)
├── Input? → Inset bevel (dark TL, white BR)
└── Content area? → White or gray, flat

Is it navigation?
├── Primary nav? → Program Manager groups
├── Section nav? → Menu bar with dropdowns
├── Page nav? → List box or tree control
└── Actions? → Toolbar buttons (beveled)

Is it AI/help?
├── Onboarding? → Setup Wizard (Step X of Y)
├── Inline help? → Cue Cards (floating tips)
├── Questions? → Modal dialog with options
└── Feedback? → Message box with icon

Is it responsive?
├── Mobile? → Single window, modal stack
├── Tablet? → Cascading windows
└── Desktop? → Tiled MDI layout

CSS Variables Template

css

:root {
  /* Core palette */
  --win31-white: #ffffff;
  --win31-black: #000000;
  --win31-gray: #c0c0c0;
  --win31-dark-gray: #808080;
  --win31-light-gray: #dfdfdf;
  --win31-navy: #000080;
  --win31-teal: #008080;

  /* Semantic */
  --win31-error: #ff0000;
  --win31-warning: #ffff00;
  --win31-success: #00ff00;
  --win31-info: #0000ff;

  /* Typography */
  --font-win31-ui: 'VT323', 'Courier New', monospace;
  --font-win31-pixel: 'Press Start 2P', 'VT323', monospace;
  --font-win31-code: 'IBM Plex Mono', 'Courier Prime', monospace;

  /* Spacing (4px grid) */
  --win31-spacing-xs: 2px;
  --win31-spacing-sm: 4px;
  --win31-spacing-md: 8px;
  --win31-spacing-lg: 16px;
  --win31-spacing-xl: 24px;
}

The Quick Test

If your component has:

•❌ Any gradient title bars → NOT Win31 (that's Win95)
•❌ Three window buttons → NOT Win31 (that's Win95)
•❌ Start menu or taskbar → NOT Win31 (that's Win95)
•❌ Any neon colors → NOT Win31 (that's vaporwave)
•❌ Any rounded corners → NOT Win31
•❌ Any blur effects → NOT Win31
•❌ Animated assistant character → NOT Win31 (that's Clippy/Win95)

It should have:

•✅ Solid navy (#000080) title bar
•✅ Single window control button
•✅ Program Manager navigation
•✅ System gray (#c0c0c0) base
•✅ Beveled borders (white TL, black BR)
•✅ Sharp corners everywhere
•✅ Pixel fonts (VT323, Press Start 2P)
•✅ Hard-edge box shadows only
•✅ Cue Cards for help (not characters)

File Naming Conventions

For authentic Win31 feel:

•All caps: README.TXT, INSTALL.EXE
•8.3 format: PROGRAM.EXE, CONFIG.SYS
•Extensions matter: .WRI, .BMP, .INI

References

•/references/design-system.md - Complete color palette, typography, beveled border patterns
•/references/component-patterns.md - Full CSS for windows, buttons, forms, panels
•/references/anti-patterns.md - Vaporwave comparison, decision tree, conversion examples
•/references/ai-assistant-patterns.md - Cue Card-style AI UX patterns
•/references/mobile-pocket-computing.md - Responsive Win31 for mobile

Pairs With

•windows-95-web-designer - For gradient/taskbar Win95 aesthetic
•vaporwave-glassomorphic-ui-designer - Different retro aesthetic (neons)
•web-design-expert - For brand direction alongside retro style
•design-system-creator - For generating full design token systems