🎨 Add dialog UI component

src/components/ui/dialog/dialog-content.svelte

@@ -0,0 +1,45 @@
+<script lang="ts">
+  import type { Snippet } from "svelte";
+  import type { WithoutChildrenOrChild } from "@/types/components";
+
+  import { cn } from "@/utils/cn";
+  import * as Dialog from "./index.js";
+  import XIcon from "@lucide/svelte/icons/x";
+  import { Dialog as DialogPrimitive } from "bits-ui";
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    portalProps,
+    children,
+    showCloseButton = true,
+    ...restProps
+  }: WithoutChildrenOrChild<DialogPrimitive.ContentProps> & {
+    portalProps?: DialogPrimitive.PortalProps;
+    children: Snippet;
+    showCloseButton?: boolean;
+  } = $props();
+</script>
+
+<Dialog.Portal {...portalProps}>
+  <Dialog.Overlay />
+  <DialogPrimitive.Content
+    bind:ref
+    data-slot="dialog-content"
+    class={cn(
+      "fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border border-neutral-200 bg-white p-6 shadow-lg duration-200 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95 sm:max-w-lg dark:border-neutral-800 dark:bg-neutral-900",
+      className,
+    )}
+    {...restProps}
+  >
+    {@render children?.()}
+    {#if showCloseButton}
+      <DialogPrimitive.Close
+        class="absolute top-4 right-4 rounded-xs opacity-70 ring-offset-white transition-opacity hover:opacity-100 focus:ring-2 focus:ring-neutral-900 focus:ring-offset-2 focus:outline-hidden disabled:pointer-events-none data-[state=open]:bg-neutral-100 data-[state=open]:text-neutral-500 dark:ring-offset-neutral-900 dark:focus:ring-neutral-300 dark:data-[state=open]:bg-neutral-800 dark:data-[state=open]:text-neutral-400 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4"
+      >
+        <XIcon />
+        <span class="sr-only">Close</span>
+      </DialogPrimitive.Close>
+    {/if}
+  </DialogPrimitive.Content>
+</Dialog.Portal>