:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --ink: #1d1d1f;
  --ink-2: #5e5e63;
  --ink-3: #9a9aa0;
  --line: #e7e5df;
  --chip: #f0eee8;
  --accent: #2f5d50;
  --accent-ink: #ffffff;
  --good: #1f7a4d;
  --good-bg: #e6f3ec;
  --bad: #c2362b;
  --bad-bg: #fbe9e7;
  --warn-bg: #fff4dc;
  --warn: #8a5a00;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 2px 10px rgba(0, 0, 0, .04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #16171a; --card: #202226; --ink: #f2f2f4; --ink-2: #b4b4bb; --ink-3: #7c7c84;
    --line: #2f3136; --chip: #2a2c31; --accent: #7fc2a8; --accent-ink: #0f1a16;
    --good: #5fd39a; --good-bg: #173326; --bad: #ff7b6e; --bad-bg: #3a1d1a;
    --warn-bg: #3a2f14; --warn: #f0c56a; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #16171a; --card: #202226; --ink: #f2f2f4; --ink-2: #b4b4bb; --ink-3: #7c7c84;
  --line: #2f3136; --chip: #2a2c31; --accent: #7fc2a8; --accent-ink: #0f1a16;
  --good: #5fd39a; --good-bg: #173326; --bad: #ff7b6e; --bad-bg: #3a1d1a;
  --warn-bg: #3a2f14; --warn: #f0c56a; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
}
main { max-width: 560px; margin: 0 auto; padding: 12px 16px calc(40px + env(safe-area-inset-bottom)); }
.boot { color: var(--ink-3); text-align: center; margin-top: 30vh; }

header.top { display: flex; align-items: center; gap: 8px; padding: 6px 0 12px; }
header.top h1 { font-size: 17px; margin: 0; font-weight: 650; flex: 1; display: flex; align-items: center; gap: 4px; }
.navbtn { border: 0; background: none; color: var(--ink-2); font-size: 20px; padding: 2px 8px; cursor: pointer; border-radius: 8px; }
.navbtn:active { background: var(--chip); }
.sync { font-size: 12px; padding: 3px 9px; border-radius: 99px; background: var(--chip); color: var(--ink-2); white-space: nowrap; border: 0; cursor: pointer; }
.sync.pending { background: var(--warn-bg); color: var(--warn); }
.sync.off { background: var(--bad-bg); color: var(--bad); }

.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 12px; }
.card h2 { font-size: 13px; color: var(--ink-2); margin: 0 0 10px; font-weight: 600; letter-spacing: .02em; }

/* 今日面板 */
.hero .label { font-size: 13px; color: var(--ink-2); }
.hero .big { font-size: 42px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; margin: 2px 0 6px; }
.pos { color: var(--good); }
.neg { color: var(--bad); }
.hero .sub { color: var(--ink-2); font-size: 14px; }
.hero .sub b { color: var(--ink); font-weight: 600; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.bar { height: 8px; background: var(--chip); border-radius: 99px; overflow: hidden; margin: 6px 0 4px; }
.bar > i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.bar.over > i { background: var(--bad); }
.muted { color: var(--ink-3); font-size: 12px; }
.divider { height: 1px; background: var(--line); margin: 14px 0; }
.alert { border-radius: 10px; padding: 10px 12px; margin-top: 12px; font-size: 14px; }
.alert.bad { background: var(--bad-bg); color: var(--bad); }
.alert.warn { background: var(--warn-bg); color: var(--warn); }
.alert.good { background: var(--good-bg); color: var(--good); }
.alert ol { margin: 6px 0 0; padding-left: 20px; }
.alert button { margin-top: 6px; }

/* 表单 */
.amount-line { display: flex; align-items: center; gap: 8px; }
.amount-line input#f-amount { flex: 1; min-width: 0; font-size: 30px; font-weight: 650; border: 0; border-bottom: 2px solid var(--line); background: none; color: var(--ink); padding: 4px 2px; border-radius: 0; }
.amount-line input#f-amount:focus { outline: none; border-bottom-color: var(--accent); }
.seg { display: inline-flex; background: var(--chip); border-radius: 10px; padding: 3px; }
.seg button { border: 0; background: none; color: var(--ink-2); font-size: 15px; padding: 6px 11px; border-radius: 8px; cursor: pointer; }
.seg button.on { background: var(--card); color: var(--ink); font-weight: 650; box-shadow: var(--shadow); }
.fx { font-size: 13px; color: var(--ink-2); margin-top: 6px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.fx input#f-rate { width: 84px; font-size: 13px; padding: 3px 6px; }
.field { margin-top: 14px; }
.field > .lab { font-size: 12px; color: var(--ink-3); margin-bottom: 6px; display: flex; justify-content: space-between; align-items: center; }
input[type=text], input[type=number], input[inputmode] {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px; width: 100%;
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid transparent; background: var(--chip); color: var(--ink); font: inherit; font-size: 14px; padding: 6px 12px; border-radius: 99px; cursor: pointer; }
.chip.on { background: var(--accent); color: var(--accent-ink); }
.chip.ghost { background: none; border-color: var(--line); color: var(--ink-2); }
.toggle { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; user-select: none; }
.toggle input { width: 20px; height: 20px; accent-color: var(--accent); }

/* 日期 */
.month-pick { display: flex; align-items: center; gap: 4px; font-size: 14px; }
.month-pick button { border: 0; background: var(--chip); color: var(--ink-2); border-radius: 8px; width: 28px; height: 28px; font-size: 15px; cursor: pointer; }
.month-pick span { min-width: 64px; text-align: center; font-weight: 600; }
.days { display: flex; gap: 6px; overflow-x: auto; scroll-snap-type: x proximity; padding: 2px 2px 6px; margin: 0 -2px; scrollbar-width: none; }
.days::-webkit-scrollbar { display: none; }
.day { flex: 0 0 44px; border: 0; background: var(--chip); color: var(--ink); border-radius: 10px; padding: 6px 0 5px; font: inherit; cursor: pointer; scroll-snap-align: center; }
.day b { display: block; font-size: 16px; font-weight: 600; }
.day small { display: block; font-size: 10px; color: var(--ink-3); }
.day.today { box-shadow: inset 0 0 0 1.5px var(--accent); }
.day.future { opacity: .45; }
.day.on { background: var(--accent); color: var(--accent-ink); }
.day.on small { color: var(--accent-ink); opacity: .8; }

.preview { margin-top: 14px; font-size: 14px; padding: 10px 12px; border-radius: 10px; background: var(--chip); color: var(--ink-2); }
.preview b { font-weight: 650; white-space: nowrap; }
.actions { display: flex; gap: 8px; margin-top: 16px; }
.btn { flex: 1; border: 0; border-radius: 12px; padding: 13px; font: inherit; font-weight: 650; font-size: 16px; cursor: pointer; background: var(--accent); color: var(--accent-ink); }
.btn:disabled { opacity: .4; cursor: default; }
.btn.secondary { background: var(--chip); color: var(--ink); flex: 0 0 auto; padding: 13px 16px; }
.btn.danger { background: var(--bad-bg); color: var(--bad); flex: 0 0 auto; padding: 13px 16px; }
.btn.small { flex: 0 0 auto; font-size: 13px; padding: 6px 12px; border-radius: 9px; }
.err { color: var(--bad); font-size: 13px; margin-top: 8px; }

/* 清单 */
.check { display: flex; align-items: center; gap: 8px; padding: 9px 0; border-top: 1px solid var(--line); font-size: 14px; }
.check:first-of-type { border-top: 0; }
.check .name { flex: 1; }
.check .st { font-size: 12px; color: var(--ink-3); }
.check.done .name { color: var(--ink-3); text-decoration: line-through; }

/* 明细 */
.day-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); padding: 12px 0 4px; border-bottom: 1px solid var(--line); }
.entry { display: flex; align-items: center; gap: 8px; padding: 9px 2px; border-bottom: 1px solid var(--line); cursor: pointer; }
.entry:active { background: var(--chip); }
.entry .it { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.entry .amt { font-weight: 600; }
.tag { font-size: 11px; padding: 1px 6px; border-radius: 5px; background: var(--chip); color: var(--ink-2); white-space: nowrap; }
.tag.fixed { background: var(--warn-bg); color: var(--warn); }
.tag.sync { background: var(--bad-bg); color: var(--bad); }
.entry.editing { background: var(--good-bg); }

/* 设置 */
details.card > summary { list-style: none; cursor: pointer; font-size: 13px; color: var(--ink-2); font-weight: 600; }
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::after { content: " ›"; }
details[open].card > summary::after { content: " ⌄"; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.fixed-row { display: grid; grid-template-columns: 1fr 88px 84px 28px; gap: 6px; align-items: center; margin-top: 6px; }
.fixed-row input, .fixed-row select { font-size: 13px; padding: 6px 8px; }
select { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 9px 8px; width: 100%; }
.xbtn { border: 0; background: none; color: var(--ink-3); font-size: 18px; cursor: pointer; }
.fixed-row .toggle { grid-column: 1 / -1; font-size: 12px; color: var(--ink-2); margin-bottom: 4px; }