the migration is completed

package.json

@@ -7,6 +7,7 @@
 		"dev": "vite dev",
 		"build": "vite build",
 		"download-yt-dlp": "wget https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp_linux -O yt-dlp",
+		"preview": "vite preview",
 		"prepare": "svelte-kit sync || echo ''",
 		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
 		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
@@ -14,31 +15,31 @@
 		"lint": "prettier --check . && eslint ."
 	},
 	"devDependencies": {
-		"@eslint/compat": "^1.2.6",
+		"@eslint/compat": "^1.2.5",
-		"@eslint/js": "^9.20.0",
+		"@eslint/js": "^9.18.0",
-		"@sveltejs/adapter-auto": "^4.0.0",
+		"@sveltejs/adapter-node": "^5.2.11",
-		"@sveltejs/adapter-node": "^5.2.12",
+		"@sveltejs/kit": "^2.16.0",
-		"@sveltejs/kit": "^2.17.1",
+		"@sveltejs/vite-plugin-svelte": "^5.0.0",
-		"@sveltejs/vite-plugin-svelte": "^5.0.3",
+		"@tailwindcss/vite": "^4.0.0",
-		"@tailwindcss/forms": "^0.5.10",
+		"eslint": "^9.18.0",
-		"@tailwindcss/typography": "^0.5.16",
-		"@types/node": "^22.13.4",
-		"autoprefixer": "^10.4.20",
-		"eslint": "^9.20.1",
 		"eslint-config-prettier": "^10.0.1",
 		"eslint-plugin-svelte": "^2.46.1",
-		"globals": "^15.15.0",
+		"globals": "^15.14.0",
-		"prettier": "^3.5.1",
+		"mdsvex": "^0.12.3",
+		"prettier": "^3.4.2",
 		"prettier-plugin-svelte": "^3.3.3",
 		"prettier-plugin-tailwindcss": "^0.6.11",
-		"svelte": "^5.20.0",
+		"svelte": "^5.0.0",
-		"svelte-check": "^4.1.4",
+		"svelte-check": "^4.0.0",
-		"tailwindcss": "^3.4.17",
+		"tailwindcss": "^4.0.0",
-		"typescript": "^5.7.3",
+		"typescript": "^5.0.0",
-		"typescript-eslint": "^8.24.0",
+		"typescript-eslint": "^8.20.0",
-		"vite": "^6.1.0"
+		"vite": "^6.0.0"
 	},
 	"dependencies": {
+		"@tailwindcss/forms": "^0.5.10",
+		"@tailwindcss/postcss": "^4.0.8",
+		"@tailwindcss/typography": "^0.5.16",
 		"youtube-dl-exec": "^3.0.15"
 	}
 }

postcss.config.js

@@ -1,6 +1,5 @@
 export default {
 	plugins: {
-		tailwindcss: {},
+		'@tailwindcss/postcss': {},
-		autoprefixer: {}
 	}
 };

src/app.css

@@ -1,3 +1,22 @@
-@import 'tailwindcss/base';
+@import 'tailwindcss';
-@import 'tailwindcss/components';
+
-@import 'tailwindcss/utilities';
+@plugin '@tailwindcss/typography';
+@plugin '@tailwindcss/forms';
+
+/*
+  The default border color has changed to `currentColor` in Tailwind CSS v4,
+  so we've added these compatibility styles to make sure everything still
+  looks the same as it did with Tailwind CSS v3.
+
+  If we ever want to remove these styles, we need to add an explicit border
+  color utility to any element that depends on these defaults.
+*/
+@layer base {
+  *,
+  ::after,
+  ::before,
+  ::backdrop,
+  ::file-selector-button {
+    border-color: var(--color-gray-200, currentColor);
+  }
+}

src/app.html

@@ -11,23 +11,10 @@
 				font-family: 'Press Start 2P';
 				src: url('/fonts/PressStart2P-Regular.ttf');
 			}
-			* {
+			
-				box-sizing: border-box;
-				padding: 0;
-				margin: 0;
-			}
 
 			body {
 				background: black; /* Fallback */
-				/* background-image:
-					radial-gradient(circle, #37ff1456 8%, transparent 8%),
-					radial-gradient(circle, #37ff1456 8%, transparent 8%); */
-				background-size:
-					60px 60px,
-					30px 30px; /* Larger grid sizes for more spacing */
-				background-position:
-					0 0,
-					15px 15px; /* Offset the smaller pattern slightly */
 				font-family: 'Press Start 2P', sans-serif;
 				color: #37ff1456; /* Retro green text */
 				margin: 0;

svelte.config.js

@@ -1,3 +1,4 @@
+import { mdsvex } from 'mdsvex';
 import adapter from '@sveltejs/adapter-node';
 import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
 
@@ -5,14 +6,13 @@ import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
 const config = {
 	// Consult https://svelte.dev/docs/kit/integrations
 	// for more information about preprocessors
-	preprocess: vitePreprocess(),
+	preprocess: [vitePreprocess(), mdsvex()],
 
 	kit: {
-		// adapter-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
-		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
-		// See https://svelte.dev/docs/kit/adapters for more information about adapters.
 		adapter: adapter()
-	}
+	},
+
+	extensions: ['.svelte', '.svx']
 };
 
 export default config;

tailwind.config.ts

@@ -1,13 +0,0 @@
-import forms from '@tailwindcss/forms';
-import typography from '@tailwindcss/typography';
-import type { Config } from 'tailwindcss';
-
-export default {
-	content: ['./src/**/*.{html,js,svelte,ts}'],
-
-	theme: {
-		extend: {}
-	},
-
-	plugins: [typography, forms]
-} satisfies Config;

vite.config.ts

@@ -1,6 +1,7 @@
+import tailwindcss from '@tailwindcss/vite';
 import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
 
 export default defineConfig({
-	plugins: [sveltekit()]
+	plugins: [sveltekit(), tailwindcss()]
 });