:root {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --surface-2: #ffffff;
  --page: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --delta-good: #006300;

  --cat-1: #2a78d6;
  --cat-2: #1baf7a;
  --cat-3: #eda100;
  --cat-4: #008300;
  --cat-5: #4a3aa7;
  --cat-6: #e34948;
  --cat-7: #e87ba4;
  --cat-8: #eb6834;

  --flow-income: #008300;
  --flow-expense: #e34948;

  --bank-sber: #2a78d6;
  --bank-tinkoff: #1baf7a;
  --bank-vtb: #eda100;
  --bank-none: #898781;

  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04), 0 8px 24px rgba(11, 11, 11, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-1: #1a1a19;
    --surface-2: #201f1e;
    --page: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --gridline: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --delta-good: #0ca30c;

    --cat-1: #3987e5;
    --cat-2: #199e70;
    --cat-3: #c98500;
    --cat-4: #008300;
    --cat-5: #9085e9;
    --cat-6: #e66767;
    --cat-7: #d55181;
    --cat-8: #d95926;

    --flow-income: #0ca30c;
    --flow-expense: #e66767;

    --bank-sber: #3987e5;
    --bank-tinkoff: #199e70;
    --bank-vtb: #c98500;
    --bank-none: #898781;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1: #1a1a19;
  --surface-2: #201f1e;
  --page: #0d0d0d;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --gridline: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --delta-good: #0ca30c;

  --cat-1: #3987e5;
  --cat-2: #199e70;
  --cat-3: #c98500;
  --cat-4: #008300;
  --cat-5: #9085e9;
  --cat-6: #e66767;
  --cat-7: #d55181;
  --cat-8: #d95926;

  --flow-income: #0ca30c;
  --flow-expense: #e66767;

  --bank-sber: #3987e5;
  --bank-tinkoff: #199e70;
  --bank-vtb: #c98500;
  --bank-none: #898781;

  --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--page);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.app { max-width: 1080px; margin: 0 auto; padding: 24px 20px 64px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 4px 28px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cat-1), var(--cat-2));
  flex-shrink: 0;
}

.brand h1 { font-size: 19px; font-weight: 700; margin: 0; letter-spacing: -0.01em; }

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease;
}
.icon-btn:hover { background: var(--surface-1); }
.icon-btn svg { width: 18px; height: 18px; }

.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-value {
  display: block;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-variant-numeric: proportional-nums;
}

.stat-value.income { color: var(--delta-good); }
.stat-value.expense { color: var(--text-primary); }
.stat-card.balance .stat-value { color: var(--text-primary); }

.panel {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.panel h2 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--text-primary);
}

.panel-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin: -10px 0 16px;
}

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--gridline);
}

.tab-btn {
  border: none;
  background: none;
  padding: 8px 4px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  margin-right: 14px;
}
.tab-btn.active { color: var(--text-primary); }
.tab-btn.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--cat-1);
  border-radius: 2px;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.type-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  margin-bottom: 16px;
  background: var(--surface-1);
}

.type-btn {
  border: none;
  background: none;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
}
.type-btn.active { background: var(--surface-2); color: var(--text-primary); box-shadow: 0 1px 2px rgba(11,11,11,0.08); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-secondary); font-weight: 600; }

input, select, button {
  font-family: inherit;
}

input[type="text"], input[type="number"], input[type="date"], select {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  font-size: 14px;
}
input:focus, select:focus { outline: 2px solid var(--cat-1); outline-offset: -1px; }

.submit-btn {
  border: none;
  border-radius: var(--radius-md);
  background: var(--text-primary);
  color: var(--surface-1);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.submit-btn:hover { opacity: 0.88; }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.form-error { color: var(--flow-expense); font-size: 13px; margin: -6px 0 12px; min-height: 16px; }

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.chart-card h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

.donut-wrap { position: relative; height: 220px; }

.chart-canvas-wrap { position: relative; height: 220px; }
.chart-canvas-wrap.tall { height: 260px; }

.chart-card canvas { max-height: 260px; }

.legend { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.legend li { display: flex; align-items: center; justify-content: space-between; font-size: 13px; }
.legend .dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-right: 8px; flex-shrink: 0; }
.legend .name { display: flex; align-items: center; color: var(--text-primary); }
.legend .value { color: var(--text-secondary); font-variant-numeric: tabular-nums; }

.filter-row { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.filter-row select { min-width: 160px; }
.filter-row .filter-label { font-size: 13px; color: var(--text-muted); }

.tx-list { display: flex; flex-direction: column; }

.tx-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gridline);
}
.tx-row:last-child { border-bottom: none; }

.tx-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.tx-category { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.tx-meta { font-size: 12px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.bank-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-secondary);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.bank-badge .dot { width: 7px; height: 7px; border-radius: 50%; }

.tx-date { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

.tx-amount { font-size: 14px; font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.tx-amount.income { color: var(--delta-good); }
.tx-amount.expense { color: var(--text-primary); }

.delete-btn {
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
}
.delete-btn:hover { color: var(--flow-expense); background: var(--surface-1); }
.delete-btn svg { width: 16px; height: 16px; }

.empty-state { padding: 30px 0; text-align: center; color: var(--text-muted); font-size: 14px; }

.import-steps { display: flex; flex-direction: column; gap: 18px; }

.import-upload {
  border: 1px dashed var(--baseline);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  background: var(--surface-1);
}

.bank-select-row { display: flex; gap: 8px; flex-wrap: wrap; }

.bank-chip {
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 7px;
}
.bank-chip .dot { width: 8px; height: 8px; border-radius: 50%; }
.bank-chip.active { border-color: var(--text-primary); color: var(--text-primary); }

.file-input-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-primary);
}
.file-input-label input { display: none; }

.mapping-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.mapping-grid label { font-size: 12px; }

.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); font-weight: 500; }
.checkbox-row input { width: 15px; height: 15px; }

.preview-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-md); }
table.preview-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.preview-table th, table.preview-table td {
  padding: 8px 12px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--gridline);
}
table.preview-table th { color: var(--text-muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.02em; }
table.preview-table td.amount-cell { font-variant-numeric: tabular-nums; }
table.preview-table td.amount-cell.expense { color: var(--flow-expense); }
table.preview-table td.amount-cell.income { color: var(--flow-income); }

.import-summary { font-size: 13px; color: var(--text-secondary); }
.import-summary strong { color: var(--text-primary); }

.import-actions { display: flex; gap: 10px; align-items: center; }
.secondary-btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.secondary-btn:hover { background: var(--surface-1); }

.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--text-primary);
  color: var(--surface-1);
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

@media (max-width: 760px) {
  .summary { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .mapping-grid { grid-template-columns: 1fr 1fr; }
  .tx-row { grid-template-columns: 1fr auto; row-gap: 6px; }
  .tx-date { order: 3; }
  .bank-badge { order: 4; }
}