Revise paste powerapps stability

// Validate inputs
If(
    IsBlank(cmbCondition.Selected),
    Notify("Please select a Condition", NotificationType.Error),
    IsEmpty(cmbRack.SelectedItems),
    Notify("Please select at least one Rack", NotificationType.Error),
    IsBlank(txtDaysShift.Value) || Value(txtDaysShift.Value) <= 0,
    Notify("Please enter a valid number of days", NotificationType.Error),
    
    // If validation passes, collect affected records BEFORE update
    ClearCollect(
        colAffectedRecords,
        AddColumns(
            Filter(
                SEL,
                cmbCondition.Selected.Value in Condition.Value &&
                !IsBlank(LookUp(cmbRack.SelectedItems, Value = Rack))
            ),
            OldEWD_Backup, EWD,
            NewEWD_Calc, DateAdd(EWD, Value(txtDaysShift.Value), TimeUnit.Days),
            ConditionText, cmbCondition.Selected.Value
        )
    );
    
    // Update records
    ForAll(
        colAffectedRecords,
        Patch(
            SEL,
            LookUp(SEL, ID = ID),
            {EWD: NewEWD_Calc}
        )
    );
    
    // Send email notification
    Office365Outlook.SendEmailV2(
        User().Email,
        "EWD Update Notification - " & CountRows(colAffectedRecords) & " Records Modified",
        "<!DOCTYPE html>
<html>
<head>
    <style>
        body { font-family: Arial, sans-serif; }
        table { border-collapse: collapse; width: 100%; margin-top: 20px; }
        th { background-color: #0078D4; color: white; padding: 10px; text-align: left; }
        td { border: 1px solid #ddd; padding: 8px; }
        tr:nth-child(even) { background-color: #f2f2f2; }
        .summary { background-color: #E8F4FD; padding: 15px; border-radius: 5px; margin-bottom: 20px; }
        .summary p { margin: 5px 0; }
    </style>
</head>
<body>
    <h2>EWD Update Notification</h2>
    
    <div class='summary'>
        <p><strong>Updated By:</strong> " & User().FullName & " (" & User().Email & ")</p>
        <p><strong>Date & Time:</strong> " & Text(Now(), "dd/mmm/yyyy hh:mm AM/PM") & "</p>
        <p><strong>Records Affected:</strong> " & CountRows(colAffectedRecords) & "</p>
        <p><strong>Days Shifted:</strong> " & txtDaysShift.Value & " day(s)</p>
    </div>
    
    <h3>Updated Records:</h3>
    <table>
        <tr>
            <th>ID</th>
            <th>Title</th>
            <th>Incubation Date</th>
            <th>Mfg Date</th>
            <th>Exp Date</th>
            <th>Condition</th>
            <th>EWD (Before)</th>
            <th>EWD (After)</th>
        </tr>
        " & 
        Concat(
            colAffectedRecords,
            "<tr>
                <td>" & Text(ID) & "</td>
                <td>" & Title & "</td>
                <td>" & Text(IncDate, "dd/mmm/yyyy") & "</td>
                <td>" & Text(MfgDate, "dd/mmm/yyyy") & "</td>
                <td>" & Text(ExpDate, "dd/mmm/yyyy") & "</td>
                <td>" & ConditionText & "</td>
                <td>" & Text(OldEWD_Backup, "dd/mmm/yyyy") & "</td>
                <td>" & Text(NewEWD_Calc, "dd/mmm/yyyy") & "</td>
            </tr>"
        ) &
        "
    </table>
    
    <p style='margin-top: 20px; color: #666; font-size: 12px;'>This is an automated notification from the Stability Studies Management System.</p>
</body>
</html>",
        {
            Cc: "email1@company.com; email2@company.com",
            Importance: "Normal"
        }
    );
    
    Notify(
        "Successfully updated " & CountRows(colAffectedRecords) & " records and sent notification email!", 
        NotificationType.Success
    );
    
    // Reset the form
    Reset(cmbCondition);
    Reset(cmbRack);
    Reset(txtDaysShift)
)