:root {
  --bg: #f7f7f5;
  --panel: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --line: #e2e2dd;
  --accent: #2f5bd3;
  --accent-text: #ffffff;
  --ok: #1f7a3d;
  --warn: #9a5b00;
  --bad: #b3261e;
  --notice: #fff6d6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161615;
    --panel: #1f1f1d;
    --text: #ecece8;
    --muted: #9c9c95;
    --line: #34342f;
    --accent: #7d9bff;
    --accent-text: #0e0e0d;
    --ok: #6fcf8e;
    --warn: #e8b04d;
    --bad: #ff8a80;
    --notice: #3a3320;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "PingFang HK", "Noto Sans TC", sans-serif;
}
header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel);
}
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
section { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
#who { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
#who img { width: 24px; height: 24px; border-radius: 50%; }
button {
  font: inherit; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: transparent; color: var(--text); cursor: pointer;
}
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--bad); }
button.danger-solid { background: var(--bad); border-color: var(--bad); color: var(--panel); }
td.confirm { white-space: normal; min-width: 180px; }
td.confirm .hint { margin: 4px 0 0; }
button:disabled { opacity: .5; cursor: default; }
form#create { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; align-items: end; margin-bottom: 16px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input, select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; min-width: 0;
}
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }
.n { text-align: right; font-variant-numeric: tabular-nums; }
tr.total td { font-weight: 600; }
.status-active { color: var(--ok); }
.status-expired { color: var(--warn); }
.status-revoked { color: var(--bad); }
.notice { background: var(--notice); border-radius: 8px; padding: 12px; margin-bottom: 16px; }
.keyrow { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
code { font: 13px/1.4 ui-monospace, Menlo, monospace; word-break: break-all; }
pre { font: 13px/1.4 ui-monospace, Menlo, monospace; background: var(--bg); padding: 8px; border-radius: 6px; overflow-x: auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.card .label { color: var(--muted); font-size: 13px; }
.card .value { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.hint { color: var(--muted); font-size: 13px; margin: -6px 0 12px; }
.error { color: var(--bad); }
@media (max-width: 600px) { main { padding: 16px 16px; } section { padding: 12px; } }