fix: revert to tailwind v4 css syntax

src/styles/app.css

@@ -1,9 +1,10 @@
-@import "tailwindcss/base";
-@import "tailwindcss/components";
-@import "tailwindcss/utilities";
+@import "tailwindcss";
 
-@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
+@plugin "daisyui" {
+  themes: black --default, light;
+  logs: false;
+}
 
-:root {
-  font-family: 'Inter', sans-serif;
+@theme {
+  --font-sans: "Inter", sans-serif;
 }

tailwind.config.js

@@ -1,17 +0,0 @@
-/** @type {import('tailwindcss').Config} */
-module.exports = {
-    content: ["./src/**/*.{js,html}"],
-    theme: {
-        extend: {
-            fontFamily: {
-                sans: ['"Inter"', "sans-serif"],
-            },
-        },
-    },
-    plugins: [require("daisyui")],
-    daisyui: {
-        themes: ["black", "light"], // black is default dark, light is fallback
-        darkTheme: "black",
-        logs: false,
-    },
-};