:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1f2328;
  --muted: #6a737d;
  --line: #d8dde3;
  --primary: #1a6fd1;
  --danger: #c62828;
  --ok: #2e7d32;
  --warn: #b26a00;
  --head: #eef1f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181c;
    --card: #1e2227;
    --text: #e6e8eb;
    --muted: #9aa4ae;
    --line: #343a42;
    --primary: #5aa2f0;
    --danger: #ef6b6b;
    --ok: #6cc070;
    --warn: #e0a640;
    --head: #262b31;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, "Noto Sans TC", "Microsoft JhengHei", sans-serif; background: var(--bg); color: var(--text); }
.topbar { display: flex; gap: 16px; align-items: center; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-weight: 700; }
.activity { flex: 1; }
.operator, .muted { color: var(--muted); }
#banner .notice { margin: 12px 16px 0; padding: 10px 14px; border-radius: 6px; background: #fff4d6; color: #5c4100; border: 1px solid #f0d58a; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
@media (prefers-color-scheme: dark) { #banner .notice { background: #3a3220; color: #f0dca0; border-color: #6b5a2b; } }
.tabs, .subtabs { display: flex; gap: 4px; padding: 12px 16px 0; }
.tabs button, .subtabs button { border: 1px solid var(--line); border-bottom: none; background: var(--head); color: var(--text); padding: 8px 16px; border-radius: 6px 6px 0 0; cursor: pointer; }
.tabs button.active, .subtabs button.active { background: var(--card); font-weight: 600; }
.subtabs { padding: 0; }
main { padding: 0 16px 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 0 6px 6px 6px; padding: 16px; margin-bottom: 16px; }
.page > .card:not(:first-child) { border-radius: 6px; }
h2 { margin: 0 0 12px; font-size: 16px; }
button { font: inherit; padding: 6px 12px; border: 1px solid var(--line); background: var(--card); color: var(--text); border-radius: 4px; cursor: pointer; }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.danger { border-color: var(--danger); color: var(--danger); }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select { font: inherit; padding: 5px 8px; border: 1px solid var(--line); border-radius: 4px; background: var(--card); color: var(--text); }
.maint { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.maint .machine { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; border: 1px solid currentColor; }
.badge.ok { color: var(--ok); } .badge.warn { color: var(--warn); } .badge.danger { color: var(--danger); } .badge.muted { color: var(--muted); }
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.values-card { border: 1px solid var(--line); border-radius: 6px; padding: 12px; }
.values-card h3 { margin: 0 0 8px; font-size: 14px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.value-form fieldset { border: 1px solid var(--line); border-radius: 6px; margin: 0 0 12px; padding: 8px 12px 12px; display: flex; flex-wrap: wrap; gap: 8px 16px; }
.value-form label { display: flex; flex-direction: column; gap: 2px; }
.value-form label.radio { flex-direction: row; align-items: center; gap: 6px; }
.value-form label.wide { flex: 1 1 100%; }
.value-form input[type=number] { width: 150px; text-align: right; }
.fixed-rule { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.actions .spacer { flex: 1; }
.filters { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: flex-end; margin-bottom: 12px; }
.filters label { display: flex; flex-direction: column; gap: 2px; font-size: 13px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { border: 1px solid var(--line); padding: 6px 8px; white-space: nowrap; }
th { background: var(--head); text-align: left; font-weight: 600; }
td.num { text-align: right; }
tr.clickable { cursor: pointer; } tr.clickable:hover td { background: var(--head); }
.pager { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
dialog { border: 1px solid var(--line); border-radius: 8px; padding: 0; width: min(920px, 96vw); max-height: 90vh; background: var(--card); color: var(--text); }
dialog::backdrop { background: rgba(0,0,0,.4); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--line); margin: 0; }
.modal-head h3 { margin: 0; font-size: 15px; }
.modal-body { padding: 16px; overflow: auto; max-height: calc(90vh - 52px); }
.modal-body .row { display: flex; gap: 8px; margin: 8px 0; flex-wrap: wrap; align-items: center; }
.pass { color: var(--ok); } .fail { color: var(--danger); }
.error { color: var(--danger); margin: 8px 0; }
.stat-head { font-size: 18px; margin-bottom: 12px; }
@media (max-width: 640px) { .value-form input[type=number] { width: 120px; } main { padding: 0 8px 16px; } }