:root {
  --bg: #f4f3ee;
  --surface: #ffffff;
  --ink: #18211e;
  --muted: #5f6b66;
  --line: #dedcd3;
  --brand: #0f3d33;
  --accent: #0b7a5a;
  --accent-soft: #e2f1eb;
  --warn: #9a5b00;
  --warn-soft: #fbefd6;
  --danger: #a3321f;
  --danger-soft: #f8e3de;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101614;
    --surface: #19221f;
    --ink: #e9eeeb;
    --muted: #9aa8a2;
    --line: #2a3632;
    --brand: #0b2a24;
    --accent: #3fc79b;
    --accent-soft: #15362c;
    --warn: #f0b94e;
    --warn-soft: #3a2d10;
    --danger: #f08a76;
    --danger-soft: #3c1c16;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
.num, td.n, th.n { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }

.top { background: var(--brand); color: #fff; position: sticky; top: 0; z-index: 5; padding-top: env(safe-area-inset-top); }
.top-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px 6px; max-width: 1100px; margin: 0 auto; }
.brand { font-weight: 650; font-size: 17px; letter-spacing: .01em; }
.brand span { font-weight: 400; opacity: .7; font-size: 13px; margin-left: 10px; }
#tabs { display: flex; gap: 2px; overflow-x: auto; padding: 0 10px; max-width: 1100px; margin: 0 auto; scrollbar-width: none; }
#tabs::-webkit-scrollbar { display: none; }
#tabs button { background: none; border: 0; color: #fff; opacity: .7; padding: 10px 12px; font: inherit; cursor: pointer; border-bottom: 3px solid transparent; white-space: nowrap; }
#tabs button[aria-current="page"] { opacity: 1; border-bottom-color: #6fe0b8; font-weight: 600; }
.link { background: none; border: 0; color: inherit; font: inherit; cursor: pointer; text-decoration: underline; opacity: .85; padding: 4px; }

main { max-width: 1100px; margin: 0 auto; padding: 16px 16px 80px; }
section { margin-bottom: 22px; }
.sec-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0 0 10px; flex-wrap: wrap; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.grid { display: grid; gap: 12px; }
.kpis { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.kpi .label { color: var(--muted); font-size: 13px; }
.kpi .value { font-size: 24px; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi .sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.kpi.good .value { color: var(--accent); }
.kpi.bad .value { color: var(--danger); }

.alert { border-radius: var(--radius); padding: 10px 14px; margin-bottom: 10px; border: 1px solid; }
.alert.warn { background: var(--warn-soft); border-color: transparent; color: var(--warn); }
.alert.danger { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.alert.info { background: var(--accent-soft); border-color: transparent; }

.btn { font: inherit; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 8px 14px; cursor: pointer; min-height: 38px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
@media (prefers-color-scheme: dark) { .btn.primary { color: #06261c; } }
.btn.ghost { background: transparent; }
.btn.sm { padding: 4px 10px; min-height: 30px; font-size: 13px; }
.btn.danger { color: var(--danger); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, #tabs button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); }
.seg button { font: inherit; border: 0; background: none; color: var(--ink); padding: 8px 14px; cursor: pointer; min-height: 38px; }
.seg button[aria-pressed="true"] { background: var(--accent); color: #fff; font-weight: 600; }
@media (prefers-color-scheme: dark) { .seg button[aria-pressed="true"] { color: #06261c; } }

.table-wrap { overflow-x: auto; margin: 0 -16px; padding: 0 16px; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tfoot td { font-weight: 650; border-top: 2px solid var(--line); border-bottom: 0; }
tr.clickable { cursor: pointer; }
tr.detail td { background: var(--bg); font-size: 13px; }
tr.detail ul { margin: 0; padding-left: 18px; }
tr.off td { opacity: .5; }
.strong { font-weight: 650; }
.pos { color: var(--accent); }
.neg { color: var(--danger); }

.badge { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .03em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; background: var(--bg); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.badge.target { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge.done { background: var(--accent); color: #fff; border-color: transparent; }

.debt { display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; }
.debt .title { font-weight: 650; font-size: 16px; }
.debt .amount { font-size: 20px; font-weight: 650; font-variant-numeric: tabular-nums; text-align: right; }
.debt .facts { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 4px 18px; color: var(--muted); font-size: 13px; }
.debt .facts b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.debt .note { grid-column: 1 / -1; font-size: 13px; color: var(--muted); }
.debt .row-actions { grid-column: 1 / -1; }
.debts-list { grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }

.cash { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; font-size: 14px; }
.cash .total { font-weight: 650; border-top: 1px solid var(--line); padding-top: 6px; margin-top: 2px; }

.chart svg { width: 100%; height: auto; display: block; }
.chart .area { fill: var(--accent-soft); }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; }
.chart .axis { stroke: var(--line); stroke-width: 1; }
.chart text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .dot { fill: var(--accent); }

dialog { border: 1px solid var(--line); border-radius: 14px; padding: 0; background: var(--surface); color: var(--ink); width: min(560px, calc(100vw - 24px)); max-height: calc(100vh - 24px); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
#dlgForm { padding: 18px; display: grid; gap: 12px; }
#dlgBody { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
#dlgBody .full { grid-column: 1 / -1; }
@media (max-width: 480px) { #dlgBody { grid-template-columns: 1fr; } }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
label.check { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; }
input, select, textarea { font: inherit; font-size: 16px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; min-height: 40px; }
input[type="checkbox"] { width: 18px; height: 18px; min-height: 0; accent-color: var(--accent); flex: none; }
textarea { min-height: 70px; resize: vertical; }
.hint { font-size: 12px; color: var(--muted); }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; }
.error { color: var(--danger); margin: 0; font-size: 14px; }

#toast { position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom)); transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 16px; border-radius: 999px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100vw - 32px); }
#toast.show { opacity: 1; }
@media (prefers-reduced-motion: reduce) { #toast { transition: none; } }

.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 26px; width: min(360px, 100%); display: grid; gap: 12px; }
.login-card h1 { font-size: 22px; color: var(--accent); }
.login-card p { margin: 0; }
.empty { text-align: center; padding: 26px 12px; color: var(--muted); }
.settings { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.settings .card { display: grid; gap: 10px; align-content: start; }

.month-grid { grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 900px) { .month-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 3fr); } }
.narrow-only { display: none; }
@media (max-width: 640px) {
  .wide-only, .wide-only-inline { display: none; }
  .narrow-only { display: block; }
  th, td { padding: 8px 6px; }
  .kpi .value { font-size: 22px; }
}
.debt { align-content: start; }
.debt .row-actions { align-items: center; }