:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-1-soft: #b7d3f6;
  --series-income: #eb6834;
  --series-save: #1baf7a;
  --track: #e1e0d9;
  --track-strong: #c3c2b7;
  --series-compare: #c3c2b7;
  --wash: rgba(42, 120, 214, 0.10);
  --good: #006300;
  --critical: #d03b3b;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-1-soft: #2a4466;
    --series-income: #d95926;
    --series-save: #199e70;
    --track: #2c2c2a;
    --track-strong: #5c5b56;
    --series-compare: #5c5b56;
    --wash: rgba(57, 135, 229, 0.14);
    --good: #0ca30c;
    --critical: #e66767;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5;
  --series-1-soft: #2a4466;
  --series-income: #d95926;
  --series-save: #199e70;
  --track: #2c2c2a;
  --track-strong: #5c5b56;
  --series-compare: #5c5b56;
  --wash: rgba(57, 135, 229, 0.14);
  --good: #0ca30c;
  --critical: #e66767;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: env(safe-area-inset-top) 0 calc(24px + env(safe-area-inset-bottom));
  overflow-x: hidden;
}
button { font: inherit; color: inherit; }

.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 4px;
  padding: 10px 16px;
  background: var(--page);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { flex: 1; margin: 0; font-size: 18px; font-weight: 600; text-align: center; }
.icon-btn {
  width: 40px; height: 40px; border: 0; border-radius: 10px;
  background: transparent; font-size: 22px; line-height: 1; cursor: pointer;
}
.icon-btn:active { background: var(--border); }
.icon-btn:disabled { opacity: .3; }

main, .empty { max-width: 640px; margin: 0 auto; padding: 12px 16px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}
h2 { font-size: 16px; font-weight: 600; margin: 0; }
.sub { margin: 2px 0 10px; color: var(--text-muted); font-size: 13px; }
.label { color: var(--text-secondary); font-size: 13px; }

.hero-value { font-size: 48px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; margin: 4px 0; }
.delta { font-size: 14px; color: var(--text-secondary); }
.delta .up { color: var(--critical); font-weight: 600; }
.delta .down { color: var(--good); font-weight: 600; }

.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.tile .value { font-size: 20px; font-weight: 600; margin-top: 2px; }

.chart { position: relative; width: 100%; touch-action: pan-y; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { fill: var(--text-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }

.legend { display: flex; gap: 16px; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { display: inline-block; width: 14px; height: 2px; border-radius: 1px; }

.cat-list { display: flex; flex-direction: column; gap: 4px; }
.cat {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 8px;
  padding: 8px; margin: 0 -8px; border: 0; border-radius: 10px;
  background: transparent; text-align: left; cursor: pointer; width: calc(100% + 16px);
}
.cat:active, .cat.active { background: var(--wash); }
.cat .name { font-size: 14px; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cat .amt { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }
.cat .bar { grid-column: 1 / -1; height: 8px; display: flex; align-items: center; }
.cat .bar i { display: block; height: 8px; border-radius: 0 4px 4px 0; background: var(--series-1); min-width: 2px; }
.cat .pct { color: var(--text-muted); font-weight: 400; margin-left: 6px; font-size: 12px; }

.list-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.chip {
  border: 1px solid var(--border); background: var(--wash); border-radius: 999px;
  padding: 4px 10px; font-size: 13px; cursor: pointer;
}
.day { margin-top: 10px; }
.day-head {
  display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted);
  padding-bottom: 4px; border-bottom: 1px solid var(--grid);
}
.tx { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--grid); }
.tx:last-child { border-bottom: 0; }
.tx .t-main { min-width: 0; }
.tx .t-note { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tx .t-cat { font-size: 12px; color: var(--text-muted); }
.tx .t-amt { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.more { margin-top: 8px; width: 100%; }

.foot { text-align: center; color: var(--text-muted); font-size: 12px; }
.empty { text-align: center; margin-top: 24px; }
.empty p { color: var(--text-secondary); }

.btn {
  border: 1px solid var(--border); background: var(--surface); border-radius: 10px;
  padding: 10px 14px; cursor: pointer; font-weight: 500;
}
.btn.primary { background: var(--series-1); border-color: transparent; color: #fff; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }

.status {
  position: fixed; left: 16px; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom));
  max-width: 600px; margin: 0 auto; z-index: 20;
  background: var(--text-primary); color: var(--page);
  padding: 10px 14px; border-radius: 10px; font-size: 14px;
}

dialog {
  width: min(560px, calc(100% - 32px)); max-height: calc(100% - 32px);
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text-primary); padding: 16px;
}
dialog::backdrop { background: rgba(0, 0, 0, .4); }
fieldset { border: 0; padding: 0; margin: 14px 0 0; }
legend { font-weight: 600; font-size: 14px; margin-bottom: 6px; padding: 0; }
dialog label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
dialog input {
  display: block; width: 100%; margin-top: 4px; padding: 10px;
  border: 1px solid var(--axis); border-radius: 8px;
  background: var(--page); color: var(--text-primary); font: inherit; font-size: 16px;
}
.hint { font-size: 12px; color: var(--text-muted); margin: 0 0 8px; }

.tooltip {
  position: fixed; z-index: 30; pointer-events: none;
  background: var(--surface); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
  padding: 6px 10px; font-size: 13px; white-space: nowrap;
}
.tooltip .tt-head { color: var(--text-muted); font-size: 12px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; }
.tooltip .tt-row i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

.bal-row { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; font-variant-numeric: tabular-nums; }
.bal-row span:first-child { display: inline-flex; align-items: center; gap: 8px; color: var(--text-secondary); }
.bal-row i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.bal-total { border-top: 1px solid var(--grid); margin-top: 4px; padding-top: 10px; font-weight: 600; font-size: 17px; }
.bal-total span:first-child { color: var(--text-primary); }
.neg { color: var(--critical); }
.pos { color: var(--good); }
.split { display: flex; gap: 2px; height: 12px; margin-top: 12px; }
.split i { display: block; min-width: 2px; }
.split i:first-child { border-radius: 4px 0 0 4px; }
.split i:last-child { border-radius: 0 4px 4px 0; }
.split i:only-child { border-radius: 4px; }
.bal-note { margin: 8px 0 0; }
.legend i.sw-bar { width: 10px; height: 10px; border-radius: 2px; }

.segmented { display: flex; gap: 4px; background: var(--page); border: 1px solid var(--border); border-radius: 10px; padding: 3px; margin-bottom: 4px; }
.segmented button {
  flex: 1; border: 0; background: transparent; border-radius: 8px; padding: 6px 4px;
  font-size: 13px; color: var(--text-secondary); cursor: pointer;
}
.segmented button.active { background: var(--surface); color: var(--text-primary); font-weight: 600; box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }

details { margin-top: 14px; }
summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--text-secondary); }
.form-error { color: var(--critical); font-size: 14px; margin: 12px 0 0; }

.sk-link { opacity: .32; transition: opacity .15s; }
.sk-link:hover, .sk-link:active { opacity: .55; }
.chart text.sk-label { fill: var(--text-primary); font-size: 12px; paint-order: stroke; stroke: var(--surface); stroke-width: 3px; stroke-linejoin: round; }
.chart text.sk-value { fill: var(--text-secondary); font-size: 11px; paint-order: stroke; stroke: var(--surface); stroke-width: 3px; stroke-linejoin: round; }
dialog select {
  display: block; width: 100%; margin-top: 4px; padding: 10px;
  border: 1px solid var(--axis); border-radius: 8px;
  background: var(--page); color: var(--text-primary); font: inherit; font-size: 16px;
}