/* 只做淺色（LINE 內建瀏覽器大多淺色，也跟 bills.chuanworks 一致）；一種強調色 */
:root {
  --bg: #F7F8FA;
  --card: #FFFFFF;
  --ink: #111827;
  --muted: #6B7280;
  --line: #E5E7EB;
  --accent: #1D4ED8;
  --accent-soft: #DBEAFE;
  --bad: #B91C1C;
  --warn: #B45309;
  --ok: #15803D;
  color-scheme: light;
}
* { 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", sans-serif;
  padding: 0 16px calc(24px + env(safe-area-inset-bottom));
  max-width: 560px; margin: 0 auto;
  -webkit-text-size-adjust: 100%;
}
.top {
  position: sticky; top: 0; z-index: 2; background: var(--bg);
  display: flex; align-items: center; justify-content: space-between; padding: 12px 0 8px;
}
.top h1 { font-size: 18px; margin: 0; }
.nav {
  width: 44px; height: 44px; border-radius: 22px; border: 1px solid var(--line);
  background: var(--card); font-size: 22px; color: var(--ink);
}
.nav:disabled { opacity: .3; }

section { margin-top: 20px; }
h2 { font-size: 14px; color: var(--muted); font-weight: 600; margin: 0 0 8px; }
h2 small { font-weight: 400; margin-left: 6px; }

.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.kpi.main { grid-column: 1 / -1; }
.kpi .k { display: block; font-size: 12px; color: var(--muted); }
.kpi b { display: block; font-size: 22px; font-variant-numeric: tabular-nums; }
.kpi.main b { font-size: 30px; }
.kpi small { color: var(--muted); font-size: 12px; }
#k-unknown { color: var(--warn); }

ul { list-style: none; margin: 0; padding: 0; }

.bills li {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; align-items: baseline;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin-bottom: 6px;
}
.bills .name { font-weight: 600; }
.bills .amt { font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.bills .sub { font-size: 12px; color: var(--muted); }
.bills .st { font-size: 12px; text-align: right; font-weight: 600; }
.bills a { color: var(--accent); font-size: 13px; grid-column: 1 / -1; text-decoration: none; padding-top: 4px; }

.bars li { margin-bottom: 8px; }
.bars button { all: unset; display: block; width: 100%; cursor: pointer; }
.bars .row { display: flex; justify-content: space-between; font-size: 14px; }
.bars .row b { font-variant-numeric: tabular-nums; }
.bars .bar { height: 3px; background: var(--line); border-radius: 2px; margin-top: 3px; }
.bars .bar i { display: block; height: 100%; background: var(--accent); border-radius: 2px; }
.bars li.on .row span { color: var(--accent); font-weight: 700; }

.filters { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.chips { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; }
.chip {
  flex: none; border: 1px solid var(--line); background: var(--card); color: var(--ink);
  border-radius: 16px; padding: 6px 12px; font-size: 13px; min-height: 32px;
}
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
#q {
  width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 16px; background: var(--card);
}

.items li {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 0 10px; align-items: center;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.items .d { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.items .m { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.items .meta { font-size: 12px; color: var(--muted); }
.items .a { font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }
.items .a.neg { color: var(--ok); }
.items .none { color: var(--muted); font-style: italic; }
.empty { color: var(--muted); padding: 12px 0; }

.foot { color: var(--muted); font-size: 12px; margin-top: 24px; }
.msg { text-align: center; color: var(--muted); padding: 48px 16px; }
.msg.err { color: var(--bad); }