:root {
  --bg: #f6f7f4; --card: #fff; --ink: #18211b; --muted: #6b746d; --line: #e4e7e1;
  --brand: #14532d; --brand-2: #1f7a45; --pos: #157a3c; --bad: #c0392b; --warn: #b7660a; --soft: #eaf3ec;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101411; --card: #182019; --ink: #e8ede9; --muted: #9aa49c; --line: #263028;
    --brand: #3fa66a; --brand-2: #57c283; --pos: #57c283; --bad: #ff7b6b; --warn: #f0a24b; --soft: #1d2b21;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-text-size-adjust: 100%; }
a { color: var(--brand-2); text-decoration: none; }
main { max-width: 720px; margin: 0 auto; padding: 12px 16px 48px; }
main.narrow { max-width: 380px; padding-top: 12vh; }
h1 { font-size: 22px; margin: 8px 0 12px; }
h2 { font-size: 17px; margin: 0 0 8px; }
.mt { margin-top: 28px; }
.muted { color: var(--muted); }
.small, small { font-size: 13px; }
small { color: var(--muted); font-weight: 400; }
.ok { color: var(--pos); } .bad { color: var(--bad); } .warn { color: var(--warn); }
.brand-big { font-size: 30px; color: var(--brand); text-align: center; }

header.top { position: sticky; top: 0; z-index: 5; background: var(--brand); color: #fff;
  display: flex; align-items: center; gap: 12px; padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); }
@media (prefers-color-scheme: dark) { header.top { background: #0c3a1f; } }
header.top .brand { color: #fff; font-weight: 700; font-size: 17px; margin-right: auto; }
header.top nav { display: flex; gap: 4px; overflow-x: auto; }
header.top nav a { color: #d6eadc; padding: 6px 10px; border-radius: 999px; white-space: nowrap; font-size: 14px; }
header.top nav a.on { background: rgba(255,255,255,.18); color: #fff; }

.flash { background: var(--soft); border: 1px solid var(--line); padding: 10px 12px; border-radius: 10px; margin: 8px 0 12px; white-space: pre-line; }
.flash.err { border-color: var(--bad); color: var(--bad); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 12px 0; }
label { display: block; margin: 0 0 12px; font-weight: 600; font-size: 14px; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand-2); outline-offset: 0; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 500; }
label.check input { width: auto; margin: 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.btn { display: inline-block; border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 9px 14px;
  border-radius: 10px; font: inherit; font-weight: 600; cursor: pointer; text-align: center; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--bad); border-color: var(--bad); background: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; }

.alerts { display: grid; gap: 6px; margin: 4px 0 8px; }
.alert { display: block; padding: 10px 12px; border-radius: 10px; background: #fff6e8; color: #6b3d00; border: 1px solid #f3d7a7; }
.alert.hot { background: #fdecea; color: #8a1f13; border-color: #f2b8b0; }
@media (prefers-color-scheme: dark) {
  .alert { background: #2d2312; color: #f5cf92; border-color: #4a3a1a; }
  .alert.hot { background: #331816; color: #ffb3a8; border-color: #5a2723; }
}

.monthnav { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.monthnav h1 { margin: 6px 0; font-size: 20px; }
.monthnav .btn { font-size: 20px; padding: 2px 14px; }

.totals { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 8px; margin: 8px 0; }
.totals div { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; min-width: 0; }
.totals span { display: block; font-size: 12px; color: var(--muted); }
.totals b { font-size: 18px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.totals div:first-child b { font-size: 22px; }
.pos { color: var(--pos); }

.cats { padding: 6px 10px; }
.catrow { display: grid; grid-template-columns: 9.5em 1fr auto; align-items: center; gap: 10px; padding: 7px 4px; color: var(--ink); border-radius: 8px; }
.catrow.on { background: var(--soft); }
.cname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--brand-2); border-radius: 99px; }
.camt { font-variant-numeric: tabular-nums; font-size: 14px; font-weight: 600; }

.listhead { display: flex; align-items: center; justify-content: space-between; margin: 18px 0 4px; }
.listhead h1, .listhead h2 { margin: 0; }
.day { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin: 14px 2px 4px; }
.tx { display: flex; justify-content: space-between; gap: 12px; align-items: center; background: var(--card); color: var(--ink);
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin: 6px 0; }
.tx .l { min-width: 0; flex: 1; }
.tx .who { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tx .meta { font-size: 13px; color: var(--muted); }
.tx .amt { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tx.credit .amt { color: var(--pos); }
.tx.transfer .amt, .tx.transfer .who { color: var(--muted); }
.tx.due.paid { opacity: .6; }
.acts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.empty { color: var(--muted); padding: 16px 4px; }
.foot { margin-top: 24px; text-align: center; font-size: 14px; }

.mb { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.mb .meta { font-size: 13px; color: var(--muted); }
.mb + form { margin-top: 12px; }
details { margin-top: 12px; }
summary { cursor: pointer; font-weight: 600; color: var(--brand-2); }
.steps { padding-left: 20px; }
pre { white-space: pre-wrap; word-break: break-word; font-size: 13px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
code { font-size: 13px; }
@media (max-width: 420px) {
  .catrow { grid-template-columns: 7.5em 1fr auto; }
  .totals { grid-template-columns: 1fr 1fr; }
  .totals div:first-child { grid-column: 1 / -1; }
}