Fullstack Design System

SkillMedia

Complete design system reference for full-stack applications. Covers colors, typography, spacing, component patterns (shadcn/ui), effects, GPU-accelerated animations, and WCAG AA accessibility. Use when implementing UI, choosing colors, applying spacing, creating components, or ensuring brand consistency.

Available today. Use it from your connected AI after setup.

Connect ahel once, and every AI you use reads what you have installed.

Then ask your AI: use the Fullstack Design System skill

What this skill tells your AI

The instructions your AI receives, as published by travisjneuman/.claude in skills/generic-fullstack-design-system/SKILL.md and read by ahel’s review.

Design system patterns for Next.js/NestJS full-stack applications.

Extends: Generic Design System - Read base skill for color theory, typography scale, spacing system, and component states.

Theme Configuration

lib/theme.ts Structure

// lib/theme.ts - Single source of truth
export const theme = {
  colors: {
    primary: "hsl(220, 100%, 55%)",
    secondary: "hsl(180, 100%, 50%)",
    accent: "hsl(270, 70%, 60%)",
  },
  spacing: {
    xs: "4px",
    sm: "8px",
    md: "16px",
    lg: "24px",
  },
};

CSS Variables (globals.css)

:root {
  --background: #ffffff;
  --foreground: #0a0a0f;
  --primary: hsl(220, 100%, 55%);
  --primary-foreground: #ffffff;
}

.dark {
  --background: #0a0a0f;
  --foreground: #fafafa;
}

Tailwind Integration

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        background: "var(--background)",
        foreground: "var(--foreground)",
        primary: "var(--primary)",
      },
    },
  },
};

shadcn/ui Patterns

Button Variants

import { Button } from '@/components/ui/button';

<Button>Primary</Button>
<Button variant="outline">Secondary</Button>
<Button variant="destructive">Delete</Button>
<Button variant="ghost">Cancel</Button>
<Button size="sm">Small</Button>
<Button size="lg">Large</Button>

Form Components

import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";

<div className="space-y-2">
  <Label htmlFor="email">Email</Label>
  <Input id="email" type="email" placeholder="user@example.com" />
</div>;

Dialog/Modal

import {
  Dialog,
  DialogContent,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog";

<Dialog open={open} onOpenChange={setOpen}>
  <DialogContent>
    <DialogHeader>
      <DialogTitle>Confirm Action</DialogTitle>
    </DialogHeader>
    {/* Content */}
  </DialogContent>
</Dialog>;

Visual Effects

Glassmorphism

.glass {
  background: hsl(var(--card) / 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid hsl(var(--border) / 0.5);
}

Gradient Backgrounds

.bg-gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

Dark Mode Implementation

Next.js + next-themes

// app/layout.tsx
import { ThemeProvider } from "next-themes";

export default function RootLayout({ children }) {
  return (
    <html suppressHydrationWarning>
      <body>
        <ThemeProvider attribute="class" defaultTheme="system">
          {children}
        </ThemeProvider>
      </body>
    </html>
  );
}

Theme Toggle

import { useTheme } from "next-themes";

function ThemeToggle() {
  const { theme, setTheme } = useTheme();
  return (
    <button onClick={() => setTheme(theme === "dark" ? "light" : "dark")}>
      Toggle theme
    </button>
  );
}

Asset Organization

public/
├── images/
│   ├── logo.svg
│   └── og-image.png    # 1200x630, < 1MB
├── favicons/
│   ├── favicon.ico
│   ├── apple-touch-icon.png
│   └── favicon-32x32.png
└── site.webmanifest

See Also

Signals

GitHub stars
97
Forks
22
Last commit
Sep 2026
Advanced
Catalog kind
skill
Gateway key
generic-fullstack-design-system
Source
github.com/travisjneuman/.claude