body { margin: 0; font: 15px/1.4 system-ui, sans-serif; color: #1d1d1f; background: #fafafa; }
header, main, footer { padding: 12px 24px; }
h1 { margin: 0; font-size: 22px; }
.sub { margin: 2px 0 0; color: #666; }
.loader { padding: 24px 0; color: #555; }
.empty { color: #666; }
.new-bar {
  display: block;
  width: 100%;
  max-width: 960px;
  margin: 0 0 8px;
  padding: 10px 12px;
  font: inherit;
  font-weight: 600;
  color: #0b3d91;
  background: #e8f0fe;
  border: 1px solid #b6d0fe;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
}
.new-bar[hidden] { display: none; }
.list { list-style: none; margin: 0; padding: 0; max-width: 960px; }
.row { display: grid; grid-template-columns: 90px 50px 1fr 200px auto; gap: 12px; align-items: center; min-height: 44px; padding: 0 12px; border-bottom: 1px solid #e5e5e5; background: #fff; }
.row .id { font-family: ui-monospace, monospace; }
.row.sev1 .sev { color: #b00020; font-weight: 600; }
.row.sev2 .sev { color: #a15c00; }
.row time { color: #555; font-variant-numeric: tabular-nums; }
.ack { font: inherit; padding: 6px 12px; cursor: pointer; border: 1px solid #ccc; border-radius: 4px; background: #fff; }
.ack:disabled { opacity: 0.5; cursor: wait; }
.acked { color: #0a7a32; font-weight: 600; }
footer { color: #777; font-size: 13px; }