:root{
  --bg:#f7f3fa;
  --card:#ffffff;
  --text:#2f2940;
  --muted:#82788f;
  --line:#e8e0ed;
  --accent:#6f55a7;
  --accent-soft:#eee7f7;
  --green:#2d8057;
  --red:#b24d63;
  --shadow:0 8px 24px rgba(55,38,76,.08);
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;
}
button,input,select{font:inherit}
button{cursor:pointer}
.app{min-height:100vh;padding-bottom:84px}
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;
  background:rgba(247,243,250,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:.05em}
.topbar h1{font-size:23px;margin:2px 0 0}
.autosave{font-size:12px;color:var(--muted);text-align:right}
main{width:min(920px,100%);margin:auto;padding:12px}
.view{display:none}.view.active{display:block}
.card,.summary{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow);margin-bottom:12px;padding:16px;
}
.summary{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.summary div{padding:10px 12px;border-radius:14px;background:#faf8fc}
.summary span,.listTotal span{display:block;color:var(--muted);font-size:13px}
.summary strong,.listTotal strong{display:block;margin-top:4px;font-size:24px}
.card h2{margin:0;font-size:19px}
.cardTitle{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.cardTitle>span{font-size:13px;color:var(--muted)}
.formGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.formGrid label,.filterBar label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
.full{grid-column:1/-1}
input,select{
  width:100%;padding:12px 13px;border-radius:13px;border:1px solid var(--line);
  background:#fff;color:var(--text);outline:none;
}
input:focus,select:focus{border-color:#9a81c4;box-shadow:0 0 0 3px rgba(111,85,167,.12)}
.primary,.softBtn,.linkBtn,.dangerBtn,.fileBtn,.squareBtn{
  border:0;border-radius:13px;font-weight:800
}
.primary{padding:12px 15px;background:var(--accent);color:#fff}
.softBtn{padding:11px 14px;background:var(--accent-soft);color:var(--accent)}
.linkBtn{background:transparent;color:var(--accent);padding:7px}
.dangerBtn{padding:12px 15px;background:#f9e7eb;color:var(--red)}
.squareBtn{
  width:40px;height:40px;background:var(--accent-soft);color:var(--accent);font-size:22px
}
.hidden{display:none!important}
.list{display:grid;gap:9px}
.listItem{
  display:flex;align-items:center;gap:9px;padding:12px;
  border:1px solid var(--line);border-radius:15px;background:#fff
}
.listBody{min-width:0;flex:1}
.listBody b{display:block;line-height:1.45}
.listBody small{display:block;color:var(--muted);margin-top:4px;line-height:1.5}
.moneyDebt{color:#68449a}.moneyIn{color:var(--green)}.moneyOut{color:var(--red)}
.rowActions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.miniBtn,.miniDanger{
  border:0;border-radius:9px;padding:7px 9px;font-size:12px;font-weight:800
}
.miniBtn{background:var(--accent-soft);color:var(--accent)}
.miniDanger{background:#f9e7eb;color:var(--red)}
.empty{
  padding:20px;border:1px dashed var(--line);border-radius:14px;
  text-align:center;color:var(--muted)
}
.calendarHeader{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.calendarHeader h2{margin:0}
.weekdays,.calendarGrid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}
.weekdays{font-size:12px;color:var(--muted);text-align:center;margin-bottom:5px}
.day{
  position:relative;min-height:50px;border:1px solid var(--line);border-radius:11px;
  background:#fff;color:var(--text)
}
.day.otherMonth{opacity:.32}
.day.today{border-color:var(--accent)}
.day.selected{background:var(--accent);color:#fff;border-color:var(--accent)}
.day.hasEvent::after{
  content:"";position:absolute;bottom:5px;left:50%;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:#d36f96
}
.day.selected.hasEvent::after{background:#fff}
.topGap{margin-top:14px}
.filterBar{display:flex;align-items:end;gap:10px;margin-bottom:12px}
.filterBar label{flex:1}
.listTotal{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;margin-bottom:12px;border-radius:14px;background:#faf8fc
}
.listTotal strong{font-size:21px;margin:0}
.backupActions{display:grid;gap:10px;margin-top:16px}
.fileBtn{
  display:block;padding:12px 15px;text-align:center;background:var(--accent-soft);
  color:var(--accent)
}
.fileBtn input{display:none}
.backupInfo{
  display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-top:14px
}
.backupInfo div{padding:13px;border:1px solid var(--line);border-radius:14px;background:#faf8fc}
.backupInfo b{display:block;font-size:22px;margin-top:3px}
.muted{color:var(--muted);line-height:1.65}
.dangerCard{border-color:#efd0d8}
.bottomNav{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  display:grid;grid-template-columns:repeat(5,1fr);
  padding:7px 6px calc(7px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
  border-top:1px solid var(--line)
}
.bottomNav button{
  border:0;background:transparent;color:var(--muted);font-size:11px;padding:4px 2px
}
.bottomNav span{display:block;font-size:20px;line-height:1.2}
.bottomNav button.active{color:var(--accent);font-weight:800}
.modal{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;
  padding:18px;background:rgba(36,29,48,.48)
}
.modalCard{
  width:min(500px,100%);background:#fff;border-radius:20px;padding:17px;
  box-shadow:0 20px 70px rgba(32,24,45,.28)
}
@media(max-width:640px){
  .formGrid{grid-template-columns:1fr}.full{grid-column:auto}
  .listItem{align-items:flex-start;flex-wrap:wrap}.listBody{flex-basis:100%}
  .rowActions{width:100%;justify-content:flex-start}
  .summary{grid-template-columns:1fr 1fr}
  .topbar{padding:11px 13px}.topbar h1{font-size:21px}
  main{padding:9px}.card,.summary{padding:13px}
}