:root {
  color-scheme: light;
  --bg: #f4f4f2;
  --surface-1: #fcfcfb;
  --border: #e3e2de;
  --grid: #ecebe7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #7a7974;
  --series-1: #2a78d6;   /* money in */
  --series-2: #eb6834;   /* money out */
  --accent: #2a78d6;
  --good: #0f7b3f;
  --bad: #c62828;
  --warn-bg: #fff4d6;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #111110;
    --surface-1: #1a1a19;
    --border: #2e2e2c;
    --grid: #262624;
    --text-primary: #f0efec;
    --text-secondary: #c3c2b7;
    --text-muted: #8f8e86;
    --series-1: #3987e5;
    --series-2: #d95926;
    --accent: #3987e5;
    --good: #4cc27e;
    --bad: #ef6b6b;
    --warn-bg: #3a2f10;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text-primary); font-size: 14px; line-height: 1.45; }
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 15px; margin: 0; font-weight: 600; }
.muted { color: var(--text-muted); }
.small { font-size: 12px; }
code { font-size: 12px; background: var(--grid); padding: 1px 4px; border-radius: 4px; word-break: break-all; }

button {
  font: inherit; border: 0; border-radius: 8px; padding: 7px 14px; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 600;
}
button.secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
button.ghost { background: transparent; color: var(--text-secondary); font-weight: 500; }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 500; }
button.danger { background: none; color: var(--bad); padding: 0; font-weight: 500; }
button:disabled { opacity: .55; cursor: wait; }
input, select {
  font: inherit; color: var(--text-primary); background: var(--surface-1);
  border: 1px solid var(--border); border-radius: 8px; padding: 6px 9px;
}

.topbar {
  display: flex; align-items: center; gap: 12px; padding: 12px 24px;
  background: var(--surface-1); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5;
}
.topbar form { margin: 0; }
.spacer { flex: 1; }
.pill { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  background: var(--warn-bg); color: var(--text-secondary); padding: 3px 8px; border-radius: 99px; }

main { max-width: 1200px; margin: 0 auto; padding: 20px 24px 60px; display: flex; flex-direction: column; gap: 16px; }
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } .topbar { flex-wrap: wrap; padding: 10px 14px; } main { padding: 14px; } }

.kpis { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
@media (max-width: 1000px) { .kpis { grid-template-columns: repeat(2, 1fr); } }
.kpi { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; }
.kpi .label { color: var(--text-secondary); font-size: 12px; }
.kpi .value { font-size: 24px; font-weight: 650; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--text-muted); font-size: 12px; }
.pos { color: var(--good); }
.neg { color: var(--bad); }

.legend { display: flex; gap: 14px; color: var(--text-secondary); font-size: 12px; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.sw.s1 { background: var(--series-1); }
.sw.s2 { background: var(--series-2); }

.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text, #chart-cats text { fill: var(--text-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.gridline { stroke: var(--grid); stroke-width: 1; }
.zero { stroke: var(--text-muted); stroke-width: 1; }
.bar-in { fill: var(--series-1); }
.bar-out { fill: var(--series-2); }
.hit { fill: transparent; cursor: default; }
.hl { fill: var(--text-primary); opacity: 0; pointer-events: none; }
.table-view summary { cursor: pointer; color: var(--text-secondary); font-size: 12px; margin-top: 8px; }

.cat-row { display: grid; grid-template-columns: 130px 1fr 80px; align-items: center; gap: 10px; padding: 4px 0; cursor: pointer; border-radius: 6px; }
.cat-row:hover { background: var(--grid); }
.cat-row .name { color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cat-row .track { height: 14px; }
.cat-row .fill { height: 100%; background: var(--series-1); border-radius: 0 4px 4px 0; min-width: 2px; }
.cat-row .amt { text-align: right; font-variant-numeric: tabular-nums; }

.cc { border-top: 1px solid var(--border); padding: 12px 0; display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; }
.cc:first-child { border-top: 0; padding-top: 0; }
.cc .title { font-weight: 600; }
.cc .bal { font-size: 18px; font-weight: 650; text-align: right; font-variant-numeric: tabular-nums; }
.cc .meta { color: var(--text-muted); font-size: 12px; }
.cc .due { text-align: right; font-size: 12px; }
.util { grid-column: 1 / -1; height: 6px; background: var(--grid); border-radius: 99px; overflow: hidden; margin-top: 4px; }
.util > div { height: 100%; background: var(--series-2); border-radius: 99px; }
.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 99px; background: var(--warn-bg); }
.badge.bad { background: var(--bad); color: #fff; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 600; color: var(--text-secondary); font-size: 12px; border-bottom: 1px solid var(--border); padding: 6px 8px; }
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; }
tr.excluded td { color: var(--text-muted); }
tr.excluded .amount { text-decoration: line-through; }
.tx select { padding: 3px 6px; font-size: 12px; max-width: 170px; }
.tx select.edited { border-color: var(--accent); }
.tag { font-size: 11px; color: var(--text-muted); margin-left: 6px; }

.item { border-top: 1px solid var(--border); padding: 12px 0; }
.item:first-child { border-top: 0; padding-top: 0; }
.item-head { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.item-head .actions { margin-left: auto; display: flex; gap: 14px; }
.item ul { margin: 6px 0 0; padding-left: 18px; color: var(--text-secondary); }
.empty { color: var(--text-muted); padding: 20px 0; text-align: center; }

.tip { position: fixed; z-index: 50; pointer-events: none; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; box-shadow: 0 4px 16px rgba(0,0,0,.15); font-size: 12px; min-width: 150px; }
.tip .t { font-weight: 600; margin-bottom: 4px; }
.tip .r { display: flex; justify-content: space-between; gap: 14px; font-variant-numeric: tabular-nums; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 60; background: var(--text-primary);
  color: var(--surface-1); padding: 10px 16px; border-radius: 8px; max-width: 90vw; }
.toast.err { background: var(--bad); color: #fff; }

.auth-page { display: grid; place-items: center; min-height: 100vh; padding: 20px; }
.auth-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 28px; width: 100%; max-width: 360px; }
.auth-card.wide { max-width: 560px; }
.auth-card h1 { margin-bottom: 16px; }
.auth-card h2 { margin: 20px 0 8px; }
.auth-card label { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; color: var(--text-secondary); font-size: 13px; }
.auth-card input { width: 100%; }
.auth-card button { width: 100%; padding: 10px; }
.error { color: var(--bad); }
.notice { background: var(--warn-bg); padding: 10px 12px; border-radius: 8px; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { padding: 8px 0; border-bottom: 1px solid var(--grid); display: flex; flex-direction: column; gap: 2px; }
.checks li.ok strong::before { content: "✓ "; color: var(--good); }
.checks li.bad strong::before { content: "✗ "; color: var(--bad); }
.checks span { color: var(--text-secondary); font-size: 13px; }