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; }
.row button { font: inherit; min-width: 64px; min-height: 32px; cursor: pointer; }
.row .acked { min-width: 64px; text-align: center; color: #1a7f37; font-weight: 600; }
.confirm { border: 1px solid #c7c7c7; border-radius: 8px; padding: 20px 24px; min-width: 320px; max-width: 480px; font: inherit; }
.confirm::backdrop { background: rgba(0, 0, 0, 0.35); }
.confirm p { margin: 0 0 8px; }
.confirm .ask { font-size: 18px; }
.confirm .ask strong { font-family: ui-monospace, monospace; }
.confirm .what { color: #555; }
.confirm form { display: flex; gap: 12px; margin-top: 16px; }
.confirm button { font: inherit; min-height: 36px; padding: 0 16px; cursor: pointer; }
.problem { color: #b00020; margin: 0 0 8px; }
.problem:empty { display: none; }
footer { color: #777; font-size: 13px; }