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; }
.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; }
footer { color: #777; font-size: 13px; }
.row { grid-template-columns: 90px 50px 1fr 190px 110px; }
.row.new { animation: arrive 2.5s ease-out; }
@keyframes arrive { from { background: #fff4c2; } to { background: #fff; } }
.row.is-acked { background: #f3f8f3; }
.row button { font: inherit; padding: 4px 14px; border-radius: 6px; border: 1px solid #888; background: #fff; cursor: pointer; }
.row button:disabled { opacity: .6; cursor: progress; }
.acked { color: #1a7f37; font-weight: 600; font-size: 13px; }
.loader { display: flex; align-items: center; gap: 10px; color: #555; padding: 16px 0; }
.spin { width: 16px; height: 16px; border: 2px solid #ccc; border-top-color: #333; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty { color: #555; }
.status { color: #888; font-size: 12px; margin: 8px 0 0; }
footer code { font-size: 12px; }
@media (max-width: 720px) { .row { grid-template-columns: 1fr auto; row-gap: 2px; padding: 8px 12px; } .row .what { grid-column: 1 / -1; } }