refactor: add esbuild and modulerize css into seperate files

style/error.css

@@ -0,0 +1,31 @@
+#error {
+	display: flex;
+	flex-direction: column;
+	gap: 1rem;
+	align-items: center;
+	justify-content: center;
+	padding: 2rem;
+	flex-grow: 1;
+}
+
+#error h1 {
+	font-size: 5rem;
+	color: #111;
+}
+
+#error p {
+	text-transform: uppercase;
+	font-size: 1.6rem;
+	color: #222;
+	text-align: center;
+}
+
+@media (prefers-color-scheme: dark) {
+	#error h1 {
+		color: #eee;
+	}
+
+	#error p {
+		color: #ddd;
+	}
+}