npx create-next-app@latest my-app --typescript --tailwind --eslint
cd my-app

pnpm add clsx tailwind-merge class-variance-authority -D tw-animate-css @iconify/tailwind4 @iconify-json/material-symbols

import { clsx, type ClassValue } from "clsx"
import { twMerge } from "tailwind-merge"

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs))
}

@import "tailwindcss";
@import "tw-animate-css";

@plugin "@iconify/tailwind4";

@custom-variant dark (&:is(.dark *));

@theme inline {
  --shadow-elevation-1: 0 1px 3px 1px rgba(0, 0, 0, 0.15),
    0 1px 2px 0px rgba(0, 0, 0, 0.30);
  --shadow-elevation-2: 0 2px 6px 2px rgba(0, 0, 0, 0.15),
    0 1px 2px 0px rgba(0, 0, 0, 0.30);
  --shadow-elevation-3: 0 4px 8px 3px rgba(0, 0, 0, 0.15),
    0 1px 3px 0px rgba(0, 0, 0, 0.30);
  --shadow-elevation-4: 0 6px 10px 4px rgba(0, 0, 0, 0.15),
    0 2px 3px 0px rgba(0, 0, 0, 0.30);
  --shadow-elevation-5: 0 8px 12px 6px rgba(0, 0, 0, 0.15),
    0 4px 4px 0px rgba(0, 0, 0, 0.30);

  --color-primary: var(--primary);
  --color-primary-container: var(--primary-container);
  --color-primary-fixed: var(--primary-fixed);
  --color-primary-fixed-dim: var(--primary-fixed-dim);
  --color-on-primary: var(--on-primary);
  --color-on-primary-container: var(--on-primary-container);
  --color-on-primary-fixed: var(--on-primary-fixed);
  --color-on-primary-fixed-variant: var(--on-primary-fixed-variant);
  --color-inverse-primary: var(--inverse-primary);

  --color-secondary: var(--secondary);
  --color-secondary-container: var(--secondary-container);
  --color-secondary-fixed: var(--secondary-fixed);
  --color-secondary-fixed-dim: var(--secondary-fixed-dim);
  --color-on-secondary: var(--on-secondary);
  --color-on-secondary-container: var(--on-secondary-container);
  --color-on-secondary-fixed: var(--on-secondary-fixed);
  --color-on-secondary-fixed-variant: var(--on-secondary-fixed-variant);

  --color-tertiary: var(--tertiary);
  --color-tertiary-container: var(--tertiary-container);
  --color-tertiary-fixed: var(--tertiary-fixed);
  --color-tertiary-fixed-dim: var(--tertiary-fixed-dim);
  --color-on-tertiary: var(--on-tertiary);
  --color-on-tertiary-container: var(--on-tertiary-container);
  --color-on-tertiary-fixed: var(--on-tertiary-fixed);
  --color-on-tertiary-fixed-variant: var(--on-tertiary-fixed-variant);

  --color-surface: var(--surface);
  --color-surface-tint: var(--surface-tint);
  --color-surface-dim: var(--surface-dim);
  --color-surface-bright: var(--surface-bright);
  --color-surface-container-lowest: var(--surface-container-lowest);
  --color-surface-container-low: var(--surface-container-low);
  --color-surface-container: var(--surface-container);
  --color-surface-container-high: var(--surface-container-high);
  --color-surface-container-highest: var(--surface-container-highest);

  --color-error: var(--error);
  --color-error-container: var(--error-container);
  --color-on-error: var(--on-error);
  --color-on-error-container: var(--on-error-container);

  --color-outline: var(--outline);
  --color-outline-variant: var(--outline-variant);

  --color-background: var(--background);
  --color-inverse-on-surface: var(--inverse-on-surface);
  --color-inverse-surface: var(--inverse-surface);
  --color-scrim: var(--scrim);
  --color-shadow: var(--shadow);
  --color-on-background: var(--on-background);
  --color-on-surface: var(--on-surface);
  --color-on-surface-variant: var(--on-surface-variant);
  --color-surface-variant: var(--surface-variant);
}

:root {
  --primary: #3d691b;
  --primary-container: #bcf293;
  --primary-fixed: #bcf293;
  --primary-fixed-dim: #a1d579;
  --on-primary: #ffffff;
  --on-primary-container: #0b2000;
  --on-primary-fixed: #0b2000;
  --on-primary-fixed-variant: #265101;
  --inverse-primary: #a1d579;
  --secondary: #56624b;
  --secondary-container: #dae7c9;
  --secondary-fixed: #dae7c9;
  --secondary-fixed-dim: #becbae;
  --on-secondary: #ffffff;
  --on-secondary-container: #141e0c;
  --on-secondary-fixed: #141e0c;
  --on-secondary-fixed-variant: #3f4a35;
  --tertiary: #386665;
  --tertiary-container: #bbecea;
  --tertiary-fixed: #bbecea;
  --tertiary-fixed-dim: #a0cfce;
  --on-tertiary: #ffffff;
  --on-tertiary-container: #002020;
  --on-tertiary-fixed: #002020;
  --on-tertiary-fixed-variant: #1e4e4d;
  --surface: #fafaf2;
  --surface-tint: #3d691b;
  --surface-dim: #dadad3;
  --surface-bright: #fafaf2;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f4f4ed;
  --surface-container: #eeeee7;
  --surface-container-high: #e9e8e1;
  --surface-container-highest: #e3e3dc;
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --on-error: #ffffff;
  --on-error-container: #410002;
  --outline: #74796d;
  --outline-variant: #c4c8ba;
  --background: #fafaf2;
  --inverse-on-surface: #f1f1ea;
  --inverse-surface: #2f312c;
  --scrim: #000000;
  --shadow: #000000;
  --on-background: #1a1c18;
  --on-surface: #1a1c18;
  --on-surface-variant: #44483e;
  --surface-variant: #e0e4d6;
}

.dark {
  --primary: #a1d579;
  --primary-container: #265101;
  --primary-fixed: #bcf293;
  --primary-fixed-dim: #a1d579;
  --on-primary: #183800;
  --on-primary-container: #bcf293;
  --on-primary-fixed: #0b2000;
  --on-primary-fixed-variant: #265101;
  --inverse-primary: #3d691b;
  --secondary: #becbae;
  --secondary-container: #3f4a35;
  --secondary-fixed: #dae7c9;
  --secondary-fixed-dim: #becbae;
  --on-secondary: #293420;
  --on-secondary-container: #dae7c9;
  --on-secondary-fixed: #141e0c;
  --on-secondary-fixed-variant: #3f4a35;
  --tertiary: #a0cfce;
  --tertiary-container: #1e4e4d;
  --tertiary-fixed: #bbecea;
  --tertiary-fixed-dim: #a0cfce;
  --on-tertiary: #003736;
  --on-tertiary-container: #bbecea;
  --on-tertiary-fixed: #002020;
  --on-tertiary-fixed-variant: #1e4e4d;
  --surface: #121410;
  --surface-tint: #a1d579;
  --surface-dim: #121410;
  --surface-bright: #383a35;
  --surface-container-lowest: #0d0f0b;
  --surface-container-low: #1a1c18;
  --surface-container: #1e201c;
  --surface-container-high: #292b26;
  --surface-container-highest: #343531;
  --error: #ffb4ab;
  --error-container: #93000a;
  --on-error: #690005;
  --on-error-container: #ffdad6;
  --outline: #8e9286;
  --outline-variant: #44483e;
  --background: #121410;
  --inverse-on-surface: #2f312c;
  --inverse-surface: #e3e3dc;
  --scrim: #000000;
  --shadow: #000000;
  --on-background: #e3e3dc;
  --on-surface: #e3e3dc;
  --on-surface-variant: #c4c8ba;
  --surface-variant: #44483e;
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
  background: var(--primary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

::-webkit-scrollbar-corner {
  background: var(--primary);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}

@layer base {
  * {
    @apply border-outline-variant outline-outline;
  }

  body {
    @apply bg-surface-container text-on-surface;
  }
}