@foreach (var p in cell.Plans)
{
var st = (p.Event_status ?? "").Trim().ToLowerInvariant();
var isOver = st == "over" || (string.IsNullOrEmpty(st) && !string.IsNullOrEmpty(Model.TodayKey) && string.CompareOrdinal(cell.DateKey ?? "", Model.TodayKey) < 0);