refactor: update status panel styling

- Remove background and border for cleaner appearance
- Maintain grid layout and information hierarchy
- Improve integration with overall design system

frontend/src/components/StatusPanel.svelte

@@ -26,9 +26,6 @@ export let qrCodesFound = 0;
 
 <style>
 .status-panel {
-    background-color: var(--bg-primary);
-    border: 1px solid var(--border-color);
-    border-radius: var(--border-radius-sm);
     padding: var(--spacing-lg);
     width: 80%;
 }
@@ -37,7 +34,6 @@ export let qrCodesFound = 0;
     display: grid;
     grid-template-columns: 1fr 1fr;
     padding: var(--spacing-sm) 0;
-    border-bottom: 1px solid var(--border-color);
 }
 
 .status-row:last-child {