:root {
  --bg: #f4f2ee;
  --card: #ffffff;
  --ink: #1d2320;
  --muted: #6b726e;
  --line: #e2ded6;
  --brand: #1f6f5c;
  --brand-ink: #ffffff;
  --goods: #b5652b;
  --living: #2f6f9e;
  --warn: #fff4d6;
  --warn-line: #e6c56a;
  --danger: #b03a2e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141716;
    --card: #1e2321;
    --ink: #e8ece9;
    --muted: #98a19c;
    --line: #2f3633;
    --brand: #3fa88c;
    --brand-ink: #0d1412;
    --goods: #e0955c;
    --living: #6fa9d6;
    --warn: #3a3220;
    --warn-line: #7a6630;
    --danger: #e0695c;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body {
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}
.hidden { display: none !important; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 8px; }
.muted { color: var(--muted); font-size: 13px; margin: 6px 0; }
.err { color: var(--danger); }

input, select, button {
  font: inherit; color: inherit;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); padding: 8px 10px; min-height: 40px;
}
input, select { width: 100%; }
button { cursor: pointer; white-space: nowrap; }
button.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); font-weight: 600; }
button.danger { color: var(--danger); }
button:disabled { opacity: .5; }

header {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: var(--bg); border-bottom: 1px solid var(--line);
}
#toast { font-size: 13px; color: var(--brand); }

main { padding: 12px 16px; max-width: 760px; margin: 0 auto; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 12px; }
.panel label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.row { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.row.end { justify-content: flex-end; }
.w80 { width: 90px; flex: none; }

.file { position: relative; display: block; margin-top: 4px; }
.file input { position: absolute; inset: 0; opacity: 0; }
.file span {
  display: block; text-align: center; padding: 14px;
  border: 2px dashed var(--line); border-radius: 10px; color: var(--brand); font-weight: 600;
}

.filters { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.filters #fQ, .filters .chk { grid-column: 1 / -1; }
.chk { display: flex !important; align-items: center; gap: 6px; margin: 0 !important; color: var(--ink) !important; font-size: 14px !important; }
.chk input { width: auto; min-height: auto; }

/* 匯入檢查卡片 */
.rv { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px; margin-bottom: 8px; }
.rv.dup { background: var(--warn); border-color: var(--warn-line); }
.rv.off { opacity: .55; }
.rv-top { display: flex; gap: 8px; align-items: center; }
.rv-top input[type=checkbox] { width: 22px; height: 22px; min-height: 0; flex: none; }
.rv-top .merchant { flex: 1; }
.rv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 6px; }
.rv-grid .full { grid-column: 1 / -1; }
.tag { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 6px; border: 1px solid var(--line); color: var(--muted); margin-right: 4px; }
.tag.warn { border-color: var(--warn-line); color: var(--ink); }

.bar {
  position: fixed; left: 0; right: 0; bottom: calc(56px + env(safe-area-inset-bottom));
  display: flex; gap: 8px; align-items: center; padding: 10px 16px;
  background: var(--card); border-top: 1px solid var(--line); z-index: 6;
}
.bar span { flex: 1; font-size: 14px; }

/* 明細 */
.item {
  display: flex; gap: 10px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; margin-bottom: 6px; cursor: pointer;
}
.item .l { flex: 1; min-width: 0; }
.item .m { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .s { font-size: 12px; color: var(--muted); }
.item .amt { font-weight: 700; font-variant-numeric: tabular-nums; }
.item .amt.neg { color: var(--brand); }
.cat { font-size: 12px; padding: 1px 8px; border-radius: 10px; color: #fff; }
.cat.living { background: var(--living); }
.cat.goods { background: var(--goods); }
.cat.none { background: transparent; color: var(--danger); border: 1px dashed var(--danger); }
.day { font-size: 12px; color: var(--muted); margin: 10px 2px 4px; }

/* 統計 */
.big { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.barrow { margin: 6px 0; }
.barrow .lbl { display: flex; justify-content: space-between; font-size: 14px; }
.barrow .track { height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; margin-top: 3px; }
.barrow .fill { height: 100%; border-radius: 4px; }
.fill.living { background: var(--living); }
.fill.goods { background: var(--goods); }
.fill.card { background: var(--brand); }
table.trend { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 14px; }
table.trend th, table.trend td { text-align: right; padding: 6px 4px; border-bottom: 1px solid var(--line); }
table.trend th:first-child, table.trend td:first-child { text-align: left; }

/* 設定 */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); border-radius: 16px; padding: 2px 4px 2px 10px; font-size: 14px; }
.chip button { min-height: 0; padding: 0 6px; border: none; background: none; color: var(--muted); }
.cardrow, .rulerow { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; }
.rulerow .key { flex: 1.2; }
.rulerow select { flex: none; width: 76px; }
.rulerow .val { flex: 1; }

nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 7;
  display: flex; background: var(--card); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
nav button { flex: 1; border: none; border-radius: 0; background: none; min-height: 56px; color: var(--muted); }
nav button.on { color: var(--brand); font-weight: 700; }

.login-box { max-width: 320px; margin: 20vh auto 0; padding: 0 16px; display: grid; gap: 10px; text-align: center; }

dialog { border: none; border-radius: 14px; padding: 16px; width: min(440px, calc(100vw - 32px)); background: var(--card); color: var(--ink); }
dialog::backdrop { background: rgba(0,0,0,.4); }
dialog label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }