:root {
  --bg: #0e141b;
  --ink: #e8eef6;
  --muted: #8ea0b5;
  --card: #171f29;
  --line: #2c3a4a;
  --income: #3ecf8e;
  --expense: #ff6d5a;
  --accent: #4c8dff;
  --radius: 16px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  color-scheme: dark;
  background:
    radial-gradient(720px 280px at 0% -8%, #1a3d72 0%, transparent 60%),
    var(--bg);
  font-family: Outfit, "Segoe UI", sans-serif;
}

button, input, select { font: inherit; color: inherit; }

.app {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
}

h1, h2, h3 { font-weight: 650; letter-spacing: -0.03em; }

h1 { margin: 0; font-size: 36px; }
h2 { margin: 0; font-size: 18px; }
h3 { margin: 0 0 10px; font-size: 16px; }

.top-actions, .filters, .modal-actions, .cat-add {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn, .icon-btn, .seg {
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  background: transparent;
}

.btn { padding: 10px 16px; font-weight: 650; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.ghost { background: #121922; border-color: var(--line); }
.btn.danger { color: var(--expense); border-color: #5a3030; background: #1c1416; }
.btn:hover, .seg:hover, .icon-btn:hover { filter: brightness(1.08); }

.icon-btn {
  width: 36px;
  height: 36px;
  font-size: 22px;
  line-height: 1;
  color: var(--muted);
}

.toolbar { margin-bottom: 14px; }

.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; }
.field.inline { flex-direction: row; align-items: center; }
.field span { color: var(--muted); }

input, select {
  border: 1px solid var(--line);
  background: #101820;
  border-radius: 10px;
  padding: 10px 12px;
}

input:focus, select:focus { outline: 2px solid #2a4d86; border-color: var(--accent); }

.cards {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 12px;
}

.card, .panel, .tx-list, .modal form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card { padding: 18px 20px; }
.card-label { margin: 0; color: var(--muted); font-size: 12px; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; }
.card-value { margin: 10px 0 0; font-size: 32px; font-weight: 650; letter-spacing: -0.04em; }
.card.income { box-shadow: inset 3px 0 0 var(--income); }
.card.expense { box-shadow: inset 3px 0 0 var(--expense); }
.card.income .card-value { color: var(--income); }
.card.expense .card-value { color: var(--expense); }
.card.balance {
  background: linear-gradient(145deg, #1d4e93 0%, #16325f 70%);
  border-color: #2d5ea8;
  color: #fff;
}
.card.balance .card-label { color: #b9cceb; }

.charts {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.panel { padding: 16px 16px 8px; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}

.chart-box { position: relative; height: 280px; }
.chart-box canvas { width: 100%; height: 100%; display: block; }
.chart-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
}

.segmented {
  display: flex;
  padding: 3px;
  border-radius: 12px;
  background: #101820;
  border: 1px solid var(--line);
}

.seg { padding: 7px 12px; font-size: 13px; font-weight: 650; color: var(--muted); }
.seg.is-active { background: #243447; color: #fff; }

.operations { margin-top: 22px; }
.operations .panel-head { align-items: flex-end; }
.filters { flex: 1; justify-content: flex-end; flex-wrap: wrap; }
.search { flex: 1 1 280px; max-width: 360px; }
.search input { width: 100%; }

.tx-list { list-style: none; margin: 12px 0 0; padding: 6px; }
.tx-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 12px;
}
.tx-item + .tx-item { border-top: 1px solid #243140; }
.tx-main { display: flex; flex-direction: column; gap: 2px; }
.tx-title { font-weight: 650; }
.tx-meta { color: var(--muted); font-size: 13px; }
.tx-amount { font-weight: 700; font-variant-numeric: tabular-nums; }
.tx-amount.income { color: var(--income); }
.tx-amount.expense { color: var(--expense); }
.tx-actions { display: flex; gap: 6px; }
.tx-actions .btn { padding: 7px 10px; font-size: 13px; }

.empty { color: var(--muted); text-align: center; padding: 28px 12px; }
.list-empty { display: grid; justify-items: center; gap: 10px; }

.modal {
  border: none;
  padding: 0;
  background: transparent;
  width: min(640px, calc(100% - 24px));
  color: var(--ink);
}
.modal::backdrop { background: rgba(4, 8, 14, 0.72); }
.modal form { padding: 18px; }
.modal.settings { width: min(760px, calc(100% - 24px)); }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.hint { margin: 6px 0 16px; color: var(--muted); font-size: 13px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-grid .wide { grid-column: 1 / -1; }

.type-pick {
  grid-column: 1 / -1;
  display: flex;
  gap: 16px;
  border: 0;
  margin: 0;
  padding: 0;
}
.type-pick label { display: flex; gap: 6px; align-items: center; font-weight: 650; }

.cat-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cat-list { list-style: none; margin: 0 0 10px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.cat-row { display: flex; gap: 6px; }
.cat-row input { flex: 1; min-width: 0; }
.cat-add input { flex: 1; min-width: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 800px) {
  h1 { font-size: 30px; }
  .top, .operations .panel-head, .filters { flex-direction: column; align-items: stretch; }
  .cards, .charts, .form-grid, .cat-columns { grid-template-columns: 1fr; }
  .card-value { font-size: 28px; }
  .search input { min-width: 0; width: 100%; }
  .tx-item { grid-template-columns: 1fr auto; }
  .tx-actions { grid-column: 1 / -1; }
}