:root {
  color-scheme: light;
  --bg: #f6f6f4; --surface: #fcfcfb; --line: #e4e3df; --grid: #ecebe7;
  --ink: #0b0b0b; --ink2: #52514e; --ink3: #76756f;
  --pos: #2a78d6; --neg: #e34948; --warn: #a66f00; --bad: #c43534; --good: #1b7f4f;
  --accent: #2a78d6;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #111110; --surface: #1a1a19; --line: #33322f; --grid: #2a2a27;
    --ink: #f0efec; --ink2: #c3c2b7; --ink3: #9b9a90;
    --pos: #3987e5; --neg: #e66767; --warn: #e0a93b; --bad: #ef7f7f; --good: #4cc08c;
    --accent: #3987e5;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 "Segoe UI", system-ui, sans-serif; }
header { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; }
h1 { font-size: 17px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 4px; }
nav { display: flex; flex-wrap: wrap; gap: 2px; flex: 1; }
nav button { background: none; border: 0; color: var(--ink2); font: inherit; padding: 6px 10px; border-radius: 6px; cursor: pointer; }
nav button:hover { background: var(--bg); }
nav button[aria-current="page"] { color: var(--ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--accent); border-radius: 6px 6px 0 0; }
.count { color: var(--bad); font-weight: 600; }
.month { color: var(--ink2); font-size: 13px; }
select, input[type=number], input[type=search] { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px; }
main { max-width: 1040px; margin: 0 auto; padding: 16px 16px 48px; display: grid; gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; min-width: 0; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; }
.tile .label { color: var(--ink2); font-size: 13px; }
.tile .value { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tile .sub { color: var(--ink3); font-size: 12.5px; }
.note { color: var(--ink2); font-size: 13px; margin: 2px 0 8px; }
.banner { border-left: 3px solid var(--warn); padding: 8px 12px; background: var(--surface); border-radius: 4px; font-size: 13.5px; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--ink2); font-weight: 500; font-size: 12.5px; border-bottom: 1px solid var(--line); padding: 5px 8px; white-space: nowrap; }
td { border-bottom: 1px solid var(--grid); padding: 6px 8px; vertical-align: middle; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.muted { color: var(--ink3); }
.over { color: var(--bad); font-weight: 600; }
.ok { color: var(--good); }
.warn { color: var(--warn); }
.bar { height: 8px; background: var(--grid); border-radius: 4px; min-width: 80px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--pos); border-radius: 0 4px 4px 0; }
.bar > i.over { background: var(--neg); }
input.limit { width: 86px; text-align: right; }
#tip { position: fixed; pointer-events: none; background: var(--ink); color: var(--surface); padding: 6px 9px; border-radius: 6px; font-size: 12.5px; z-index: 5; white-space: pre-line; }
svg text { fill: var(--ink3); font: 11.5px "Segoe UI", system-ui, sans-serif; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }
.toolbar label { font-size: 13px; color: var(--ink2); }
.field { display: inline-flex; flex-direction: column; gap: 2px; }
.field input { width: 130px; }
.debt-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 8px 0 12px; }
.debt-row .value { font-size: 19px; }
.unlock { max-width: 360px; margin: 48px auto; display: grid; gap: 10px; }
.unlock input, .publish input[type=password] { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 8px; width: 100%; }
.publish { display: grid; gap: 8px; max-width: 420px; }
.error { color: var(--bad); font-size: 13.5px; }
button.action { font: inherit; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 6px; padding: 3px 8px; cursor: pointer; }
@media (max-width: 640px) {
  header { padding: 10px 16px; }
  .hide-sm { display: none; }
  .tile .value { font-size: 21px; }
}