:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1c1e21;
  --muted: #5f6670;
  --border: #dcdfe4;
  --primary: #1b74e4;
  --primary-text: #ffffff;
  --danger: #c62828;
  --warn-bg: #fff6e0;
  --ok: #2e7d32;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #18191a;
    --card: #242526;
    --text: #e4e6eb;
    --muted: #a8adb4;
    --border: #3a3b3c;
    --primary: #4b8ff0;
    --danger: #ef6a6a;
    --warn-bg: #3a3020;
    --ok: #6cc070;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.top { border-bottom: 1px solid var(--border); background: var(--card); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 56px; }
h1 { font-size: 1.15rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 12px; }
.who { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: .9rem; }
main.wrap { padding-top: 20px; padding-bottom: 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.card.warn { background: var(--warn-bg); }
label { display: block; font-weight: 600; margin: 12px 0 6px; }
input[type=text], select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.hint { color: var(--muted); font-size: .875rem; margin: 6px 0 0; }
.error { color: var(--danger); }
.row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.btn {
  display: inline-block;
  padding: 9px 16px;
  font: inherit;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary, .btn.fb { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.link { background: none; border: 0; color: var(--primary); font: inherit; cursor: pointer; padding: 0; }
code { font-size: .875em; background: var(--bg); padding: 1px 5px; border-radius: 4px; word-break: break-all; }
.post { border-left: 3px solid var(--primary); padding-left: 12px; margin-bottom: 16px; }
.post-page { font-weight: 600; }
.post-msg { margin: 4px 0; white-space: pre-wrap; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 16px 0; }
.stats div { background: var(--bg); border-radius: 8px; padding: 10px 12px; }
.stats dt { color: var(--muted); font-size: .8rem; }
.stats dd { margin: 0; font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.estimate { margin: 8px 0 16px; }
.estimate summary { cursor: pointer; color: var(--muted); }
.estimate ul { padding-left: 20px; color: var(--muted); font-size: .9rem; }
.check { font-weight: 400; display: flex; gap: 8px; align-items: flex-start; }
.check input { margin-top: 6px; }
.recent { list-style: none; padding: 0; margin: 16px 0 0; }
.recent li { border-top: 1px solid var(--border); }
.recent button {
  width: 100%; text-align: left; background: none; border: 0; padding: 10px 4px;
  font: inherit; color: var(--text); cursor: pointer;
}
.recent .meta { display: block; color: var(--muted); font-size: .8rem; }
.bar { height: 10px; background: var(--bg); border-radius: 5px; overflow: hidden; }
.bar div { height: 100%; width: 0; background: var(--primary); transition: width .4s; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: .8rem; font-weight: 700; background: var(--bg); }
.badge.done { color: var(--ok); }
.badge.failed, .badge.cancelled { color: var(--danger); }
.log { font-size: .8rem; color: var(--muted); max-height: 240px; overflow: auto; padding-left: 20px; }
.foot { color: var(--muted); font-size: .8rem; padding-bottom: 32px; }