Refactor image upload handling in ReceiptForm and +page components by removing direct input element clicks and replacing them with accessible labels. Update styles for improved user experience and maintainability.

src/routes/receipts/ReceiptForm.svelte

@@ -20,14 +20,9 @@
     defaultType?: string;
   } = $props();
 
-  let imageInputEl = $state<HTMLInputElement | null>(null);
   let imageFileName = $state<string | null>(null);
   let imageConverting = $state(false);
 
-  function openScanReceipt() {
-    imageInputEl?.click();
-  }
-
   async function onImageChange(e: Event) {
     const input = e.currentTarget as HTMLInputElement;
     const file = input.files?.[0];
@@ -79,25 +74,24 @@
 
   <div class="space-y-2">
     <Label for="Image">Image</Label>
-    <div class="flex flex-col gap-2">
+    <div class="relative flex flex-col gap-2">
-      <Button
-        type="button"
-        variant="outline"
-        class="w-full"
-        onclick={openScanReceipt}
-      >
-        Scan receipt
-      </Button>
       <input
-        bind:this={imageInputEl}
         id="Image"
         name="Image"
         type="file"
         accept="image/*"
         capture="environment"
         onchange={onImageChange}
-        class="hidden"
+        class="absolute opacity-0 w-0 h-0 overflow-hidden"
+        tabindex="-1"
+        aria-label="Scan receipt"
       />
+      <label
+        for="Image"
+        class="border-input bg-background hover:bg-accent hover:text-accent-foreground flex h-9 w-full cursor-pointer items-center justify-center rounded-md border px-4 py-2 text-sm font-medium shadow-xs transition-colors"
+      >
+        Scan receipt
+      </label>
       {#if imageConverting}
         <p class="text-muted-foreground text-xs">Converting to WebP…</p>
       {:else if imageFileName}

src/routes/receipts/[id]/+page.svelte

@@ -133,9 +133,6 @@
     imageOpen = mq.matches;
   });
 
-  function openReplaceImage() {
-    imageInputEl?.click();
-  }
   async function onImageChange() {
     const input = imageInputEl;
     const file = input?.files?.[0] ?? null;
@@ -237,19 +234,25 @@
             class="flex flex-col gap-4"
           >
             <input type="hidden" name="dataJson" value={buildDataJson()} />
-            <div class="flex items-center gap-2">
+            <div class="relative flex items-center gap-2">
-              <Button type="button" variant="outline" size="sm" onclick={openReplaceImage}>
-                {receipt.Image ? "Replace image" : "Add image"}
-              </Button>
               <input
+                id="receipt-image-input"
                 bind:this={imageInputEl}
                 type="file"
                 name="Image"
                 accept="image/*"
                 capture="environment"
                 onchange={onImageChange}
-                class="hidden"
+                class="absolute opacity-0 w-0 h-0 overflow-hidden"
+                tabindex="-1"
+                aria-label={receipt.Image ? "Replace image" : "Add image"}
               />
+              <label
+                for="receipt-image-input"
+                class="border-input bg-background hover:bg-accent hover:text-accent-foreground inline-flex h-8 cursor-pointer items-center justify-center rounded-md border px-3 text-sm font-medium shadow-xs transition-colors"
+              >
+                {receipt.Image ? "Replace image" : "Add image"}
+              </label>
               {#if imageFileName}
                 <span class="text-muted-foreground text-xs">New: {imageFileName}</span>
               {/if}