:root {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --page: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --series-income: #2a78d6;
  --series-expense: #eb6834;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --series-4: #eda100;
  --series-5: #e87ba4;
  --series-6: #008300;
  --series-7: #4a3aa7;
  --series-8: #e34948;
  --good: #0ca30c;
  --critical: #d03b3b;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-1: #1a1a19;
    --page: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --gridline: #2c2c2a;
    --border: rgba(255, 255, 255, 0.10);
    --series-income: #3987e5;
    --series-expense: #d95926;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #c98500;
    --series-5: #d55181;
    --series-6: #008300;
    --series-7: #9085e9;
    --series-8: #e66767;
    --good: #0ca30c;
    --critical: #e66767;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1: #1a1a19;
  --page: #0d0d0d;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --gridline: #2c2c2a;
  --border: rgba(255, 255, 255, 0.10);
  --series-income: #3987e5;
  --series-expense: #d95926;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --series-5: #d55181;
  --series-6: #008300;
  --series-7: #9085e9;
  --series-8: #e66767;
  --good: #0ca30c;
  --critical: #e66767;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--text-primary);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
  padding: 10px 16px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
}

nav a.active { color: var(--text-primary); background: var(--gridline); font-weight: 600; }
nav a:hover { background: var(--gridline); }

nav form { margin-left: auto; }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

h1 { font-size: 20px; margin: 0 0 12px; }
h2 { font-size: 16px; margin: 0 0 12px; color: var(--text-secondary); }

.stat-row { display: flex; gap: 12px; flex-wrap: wrap; }
.stat-tile { flex: 1 1 140px; min-width: max(140px, max-content); }
.stat-tile .label { font-size: 12px; color: var(--text-muted); }
.stat-tile .value { font-size: 24px; font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.stat-tile .value.income { color: var(--series-income); }
.stat-tile .value.expense { color: var(--series-expense); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--gridline); }
th { color: var(--text-muted); font-weight: 500; font-size: 12px; text-transform: uppercase; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; width: 1%; }

th.sortable-col { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable-col:hover { color: var(--text-primary); }
th.sortable-col .sort-arrow { display: inline-block; margin-left: 4px; font-size: 10px; opacity: 0.5; }
th.sortable-col[data-sort-dir] .sort-arrow { opacity: 1; }

.bar-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: 14px; }
.bar-row .name { flex: 0 0 160px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { flex: 1; background: var(--gridline); border-radius: 4px; height: 10px; overflow: hidden; }
.bar-fill { background: var(--series-expense); height: 100%; border-radius: 4px; }
.bar-value { flex: 0 0 90px; text-align: right; font-variant-numeric: tabular-nums; }

.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.legend .swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; }
.legend label { display: inline-flex; align-items: center; cursor: pointer; }
.legend input[type="checkbox"] { margin-right: 4px; }

form.inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; }
label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
input, select, button {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--page);
  color: var(--text-primary);
}
button {
  background: var(--series-income);
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 600;
}
button.secondary { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
button.danger { background: var(--critical); }

.field { margin-bottom: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.month-nav { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.month-nav a { color: var(--text-secondary); text-decoration: none; padding: 6px 10px; border-radius: 8px; }
.month-nav a:hover { background: var(--gridline); }
.month-nav .current { font-weight: 600; }
.month-nav select { font-weight: 600; }

.error { color: var(--critical); font-size: 14px; margin-bottom: 12px; }

.chart-tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: 1000;
  opacity: 0;
  transform: translateY(2px);
  transition: opacity 0.08s ease-out;
  white-space: nowrap;
}
.chart-tooltip.visible { opacity: 1; }
.chart-tooltip .tt-label { color: var(--text-muted); font-size: 11px; margin-bottom: 2px; }
.chart-tooltip .tt-value { font-weight: 600; font-variant-numeric: tabular-nums; }
.chart-tooltip .tt-key { display: inline-block; width: 8px; height: 2px; margin-right: 5px; vertical-align: middle; }
[data-tooltip] { cursor: default; }

.row-actions { display: flex; gap: 4px; justify-content: flex-end; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.icon-btn:hover { background: var(--gridline); color: var(--text-primary); border-color: var(--border); }
.icon-btn svg { width: 16px; height: 16px; }

a.button-link {
  display: inline-block;
  background: var(--series-income);
  color: white;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
}

@media (max-width: 600px) {
  .grid-2 { grid-template-columns: 1fr; }
  .bar-row .name { flex-basis: 100px; }

  /* Mobile-only touch/legibility tweaks — desktop layout above is untouched */
  .container { padding: 10px; }

  /* 16px prevents iOS Safari's auto-zoom-on-focus for inputs/selects */
  input, select, button { font-size: 16px; }

  .icon-btn { width: 40px; height: 40px; }
  .icon-btn svg { width: 18px; height: 18px; }
  .row-actions { gap: 6px; }

  .month-nav { flex-wrap: wrap; row-gap: 8px; }
  .month-nav form.inline { margin-left: 0 !important; width: 100%; }
  .month-nav a.button-link { margin-left: 0 !important; }

  nav { gap: 2px; padding: 8px 10px; }
  nav a { padding: 8px 10px; font-size: 13px; }
}

/* Accounts multi-select dropdown (used in the account balance history chart) */
.acct-dropdown { position: relative; display: inline-block; }
.acct-dropdown-toggle {
  font-size: 13px;
  padding: 6px 10px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.acct-dropdown-toggle .caret { opacity: 0.6; margin-left: 4px; }
.acct-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 20;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  padding: 8px;
  min-width: 240px;
  max-height: 280px;
  overflow-y: auto;
}
.acct-dropdown-menu[hidden] { display: none; }
.acct-dropdown-actions { display: flex; gap: 6px; margin-bottom: 6px; padding-bottom: 6px; border-bottom: 1px solid var(--gridline); }
.acct-dropdown-actions button { font-size: 11px; padding: 4px 8px; }
.acct-dropdown-item { display: flex; align-items: center; gap: 6px; padding: 5px 4px; font-size: 13px; cursor: pointer; border-radius: 6px; }
.acct-dropdown-item:hover { background: var(--gridline); }
.acct-dropdown-item input { margin: 0; }

/* Compact layout for the Сводка (summary) page */
.page-summary .card { padding: 12px 14px; margin-bottom: 10px; }
.page-summary h1 { font-size: 16px; margin: 0 0 8px; }
.page-summary h2 { font-size: 14px; margin: 0 0 8px; }
.page-summary .month-nav { margin-bottom: 10px; }
.page-summary .stat-row { gap: 8px; }
.page-summary .stat-tile .value { font-size: 19px; }
.page-summary .stat-tile .label { font-size: 11px; }
.page-summary table th, .page-summary table td { padding: 2px 6px; font-size: 12px; line-height: 1.3; }
.page-summary table td:first-child { white-space: nowrap; }
.page-summary .icon-btn { width: 22px; height: 22px; }
.page-summary .icon-btn svg { width: 13px; height: 13px; }

@media (max-width: 600px) {
  /* Restore comfortable tap targets on the compact Сводка layout for phones */
  .page-summary .icon-btn { width: 38px; height: 38px; }
  .page-summary .icon-btn svg { width: 16px; height: 16px; }
  .page-summary table th, .page-summary table td { padding: 6px 8px; font-size: 13px; }
}
.page-summary .row-actions { gap: 3px; }
.page-summary .bar-row { padding: 4px 0; font-size: 13px; }
.page-summary .legend { margin-bottom: 6px; }
.page-summary .field { margin-bottom: 8px; }