feat(web): scaffold Next.js 16 dashboard with design system and auth client (#82)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

packages/design-tokens/package.json

@@ -1,6 +1,7 @@
 {
   "name": "@mosaic/design-tokens",
   "version": "0.0.0",
+  "type": "module",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "exports": {

packages/design-tokens/src/colors.ts

@@ -0,0 +1,91 @@
+/**
+ * Mosaic Stack color palette.
+ * Deep blue-grays with blue/purple/teal accents.
+ */
+
+export const colors = {
+  /** Neutral blue-gray scale */
+  gray: {
+    50: '#f0f2f5',
+    100: '#dce0e8',
+    200: '#b8c0cc',
+    300: '#8e99a9',
+    400: '#6b7a8d',
+    500: '#4e5d70',
+    600: '#3b4859',
+    700: '#2a3544',
+    800: '#1c2433',
+    900: '#111827',
+    950: '#0a0f1a',
+  },
+
+  /** Primary — blue */
+  blue: {
+    50: '#eff4ff',
+    100: '#dae5ff',
+    200: '#bdd1ff',
+    300: '#8fb4ff',
+    400: '#5b8bff',
+    500: '#3b6cf7',
+    600: '#2551e0',
+    700: '#1d40c0',
+    800: '#1e369c',
+    900: '#1e317b',
+    950: '#162050',
+  },
+
+  /** Accent — purple */
+  purple: {
+    50: '#f3f0ff',
+    100: '#e7dfff',
+    200: '#d2c3ff',
+    300: '#b49aff',
+    400: '#9466ff',
+    500: '#7c3aed',
+    600: '#6d28d9',
+    700: '#5b21b6',
+    800: '#4c1d95',
+    900: '#3b1578',
+    950: '#230d4d',
+  },
+
+  /** Accent — teal */
+  teal: {
+    50: '#effcf9',
+    100: '#d0f7ef',
+    200: '#a4eddf',
+    300: '#6fddcb',
+    400: '#3ec5b2',
+    500: '#25aa99',
+    600: '#1c897e',
+    700: '#1b6e66',
+    800: '#1a5853',
+    900: '#194945',
+    950: '#082d2b',
+  },
+
+  /** Semantic */
+  success: '#22c55e',
+  warning: '#f59e0b',
+  error: '#ef4444',
+  info: '#3b82f6',
+
+  /** Surface — dark theme defaults */
+  surface: {
+    background: '#0a0f1a',
+    card: '#111827',
+    elevated: '#1c2433',
+    overlay: 'rgba(0, 0, 0, 0.6)',
+    border: '#2a3544',
+  },
+
+  /** Text */
+  text: {
+    primary: '#f0f2f5',
+    secondary: '#8e99a9',
+    muted: '#6b7a8d',
+    inverse: '#0a0f1a',
+  },
+} as const;
+
+export type Colors = typeof colors;

packages/design-tokens/src/fonts.ts

@@ -0,0 +1,33 @@
+/**
+ * Mosaic Stack font definitions.
+ * Outfit (sans) — headings and body.
+ * Fira Code (mono) — code and terminal.
+ */
+
+export const fonts = {
+  sans: {
+    family: 'Outfit',
+    fallback: 'system-ui, -apple-system, sans-serif',
+    stack: "'Outfit', system-ui, -apple-system, sans-serif",
+    weights: {
+      light: 300,
+      regular: 400,
+      medium: 500,
+      semibold: 600,
+      bold: 700,
+    },
+  },
+
+  mono: {
+    family: 'Fira Code',
+    fallback: 'ui-monospace, Menlo, monospace',
+    stack: "'Fira Code', ui-monospace, Menlo, monospace",
+    weights: {
+      regular: 400,
+      medium: 500,
+      bold: 700,
+    },
+  },
+} as const;
+
+export type Fonts = typeof fonts;

packages/design-tokens/src/index.ts

@@ -1 +1,5 @@
-export const VERSION = '0.0.0';
+export const VERSION = '0.0.1';
+
+export { colors, type Colors } from './colors.js';
+export { fonts, type Fonts } from './fonts.js';
+export { spacing, radius, type Spacing, type Radius } from './spacing.js';

packages/design-tokens/src/spacing.ts

@@ -0,0 +1,38 @@
+/**
+ * Mosaic Stack spacing scale (in rem).
+ * Based on a 4px grid (0.25rem increments).
+ */
+
+export const spacing = {
+  px: '1px',
+  0: '0',
+  0.5: '0.125rem',
+  1: '0.25rem',
+  1.5: '0.375rem',
+  2: '0.5rem',
+  2.5: '0.625rem',
+  3: '0.75rem',
+  4: '1rem',
+  5: '1.25rem',
+  6: '1.5rem',
+  8: '2rem',
+  10: '2.5rem',
+  12: '3rem',
+  16: '4rem',
+  20: '5rem',
+  24: '6rem',
+  32: '8rem',
+} as const;
+
+export const radius = {
+  none: '0',
+  sm: '0.25rem',
+  md: '0.375rem',
+  lg: '0.5rem',
+  xl: '0.75rem',
+  '2xl': '1rem',
+  full: '9999px',
+} as const;
+
+export type Spacing = typeof spacing;
+export type Radius = typeof radius;