v3: code quality and visual consistency pass (refactored all forms across the app), fixed filename-related upload bug

src/components/ConfirmModal.tsx

@@ -28,7 +28,7 @@ export function ConfirmModal(
       <div className="confirm-modal" onClick={(e) => e.stopPropagation()}>
         <p className="confirm-modal-message">{message}</p>
         <div className="confirm-modal-actions">
-          <button type="button" onClick={onCancel}>
+          <button type="button" className="btn-secondary" onClick={onCancel}>
             <Trans>Cancel</Trans>
           </button>
           <button type="button" className="btn-danger" onClick={onConfirm}>