:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --warning-bg: #fff6e0;
  --warning-ink: #6b4a00;
  --critical: #d03b3b;
  --critical-text: #b42323;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #4a3aa7; --s8: #e34948;
  --other: #b5b3ab;
  --seq-0: #cde2fb; --seq-1: #9ec5f4; --seq-2: #5598e7; --seq-3: #256abf; --seq-4: #0d366b;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781; --grid: #2c2c2a; --axis: #383835;
    --border: rgba(255, 255, 255, 0.10); --accent: #3987e5;
    --good-text: #0ca30c; --warning-bg: #2e2510; --warning-ink: #f5d58a; --critical-text: #e66767;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --other: #5c5b56;
    --seq-0: #1a2a40; --seq-1: #184f95; --seq-2: #2a78d6; --seq-3: #6da7ec; --seq-4: #cde2fb;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781; --grid: #2c2c2a; --axis: #383835;
  --border: rgba(255, 255, 255, 0.10); --accent: #3987e5;
  --good-text: #0ca30c; --warning-bg: #2e2510; --warning-ink: #f5d58a; --critical-text: #e66767;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --other: #5c5b56;
  --seq-0: #1a2a40; --seq-1: #184f95; --seq-2: #2a78d6; --seq-3: #6da7ec; --seq-4: #cde2fb;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
h1 { font-size: 20px; }
h2 { font-size: 15px; }
.muted { color: var(--ink-2); margin: 0; font-size: 13px; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

/* ---------- top bar & buttons ---------- */
.topbar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  padding: 16px 24px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { display: flex; gap: 12px; align-items: center; min-width: 0; }
.brand-icon { flex-shrink: 0; display: block; }
.login-icon { display: block; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--ink);
  font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn:focus-visible, select:focus-visible, .chip:focus-within, .seg button:focus-visible, .tabs button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.icon { width: 34px; padding: 0; justify-content: center; }
.btn.small { height: 28px; padding: 0 8px; font-size: 13px; }
.btn.danger { color: var(--critical-text); }
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- filters ---------- */
.filters {
  display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center;
  padding: 12px 24px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.filter-group { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filter-label { font-size: 12px; color: var(--ink-2); font-weight: 500; }
select {
  height: 32px; padding: 0 8px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--ink); font: inherit;
}
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button {
  border: 0; background: transparent; color: var(--ink-2); font: inherit; font-size: 13px;
  padding: 6px 10px; cursor: pointer; border-right: 1px solid var(--border);
}
.seg button:last-child { border-right: 0; }
.seg button:hover { background: var(--surface-2); }
.seg button.on { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); cursor: pointer; user-select: none; font-size: 13px;
}
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip .sw { width: 10px; height: 10px; border-radius: 3px; background: var(--muted); }
.chip.off { color: var(--muted); }
.chip.off .sw { background: transparent; outline: 1.5px solid var(--axis); outline-offset: -1.5px; }
.chips.small .chip { padding: 3px 8px; font-size: 12px; }

/* ---------- tabs ---------- */
.tabs {
  display: flex; gap: 2px; padding: 0 24px; background: var(--surface); border-bottom: 1px solid var(--border);
  overflow-x: auto; scrollbar-width: none;
}
.tabs button {
  border: 0; background: none; color: var(--ink-2); font: inherit; font-weight: 500;
  padding: 12px 12px 10px; cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs button:hover { color: var(--ink); }
.tabs button.active { color: var(--ink); border-bottom-color: var(--accent); }

main { padding: 20px 24px 48px; max-width: 1440px; margin: 0 auto; }
.tab-panel { display: flex; flex-direction: column; gap: 16px; }
.tab-panel[hidden] { display: none; }
.section-title { margin-top: 8px; }

/* ---------- cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow); min-width: 0;
}
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.card-head .muted { margin-top: 2px; }
.view-toggle { flex-shrink: 0; }
.chart { width: 100%; height: 340px; }
.chart.tall { height: 420px; }
.chart.short { height: 260px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.span-2 { grid-column: span 2; }
.empty { padding: 32px; text-align: center; color: var(--ink-2); }

/* ---------- KPI tiles ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.kpi .label { font-size: 13px; color: var(--ink-2); }
.kpi .value { font-size: 26px; font-weight: 600; margin-top: 4px; letter-spacing: -0.01em; }
.kpi .sub { font-size: 12px; color: var(--ink-2); margin-top: 4px; }
.delta { font-weight: 600; }
.delta.up { color: var(--critical-text); }   /* рост расходов — плохо */
.delta.down { color: var(--good-text); }

/* ---------- alerts ---------- */
.alert {
  display: flex; gap: 12px; align-items: flex-start; padding: 12px 16px; border-radius: var(--radius);
  background: var(--warning-bg); color: var(--warning-ink); border: 1px solid var(--border);
}
.alert.ok { background: var(--surface); color: var(--ink); }
.alert .ico { flex-shrink: 0; width: 20px; height: 20px; }
.alert b { color: inherit; }
.alert ul { margin: 4px 0 0; padding-left: 18px; }

/* ---------- coverage matrix ---------- */
.coverage { overflow-x: auto; }
.coverage table { border-collapse: separate; border-spacing: 3px; }
.coverage th { font-size: 11px; font-weight: 500; color: var(--ink-2); padding: 0 2px; white-space: nowrap; }
.coverage th.row { text-align: left; padding-right: 10px; font-size: 13px; color: var(--ink); }
.coverage td { width: 44px; height: 30px; border-radius: 5px; text-align: center; font-size: 13px; }
.coverage td.has { background: var(--seq-0); color: var(--ink); cursor: pointer; }
.coverage td.has:hover { outline: 2px solid var(--accent); }
.coverage td.miss { background: transparent; outline: 1.5px dashed var(--critical); outline-offset: -1.5px; color: var(--critical-text); font-weight: 600; }
.legend-inline { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); margin-top: 8px; }
.legend-inline span { display: inline-flex; gap: 6px; align-items: center; }
.legend-inline i { display: inline-block; width: 14px; height: 10px; border-radius: 3px; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td { padding: 7px 10px; border-bottom: 1px solid var(--grid); text-align: left; vertical-align: top; }
table.data th { font-weight: 600; color: var(--ink-2); font-size: 12px; position: sticky; top: 0; background: var(--surface); cursor: default; }
table.data th.sortable { cursor: pointer; }
table.data th.sortable:hover { color: var(--ink); }
table.data td { white-space: nowrap; }
table.data tr:hover td { background: var(--surface-2); }
table.data tr.missing-row td { background: var(--warning-bg); color: var(--warning-ink); }
table.data tr.excluded-row td { color: var(--muted); }
.setting-row { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; padding: 10px 12px; margin-bottom: 14px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface-2); }
.setting-row label { display: inline-flex; gap: 8px; align-items: center; font-weight: 500; }
.factor-list { display: grid; grid-template-columns: auto auto; gap: 2px 12px; margin-top: 6px; font-size: 13px; }
.factor-list span:nth-child(even) { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.yoy-select { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.yoy-select label { display: inline-flex; gap: 8px; align-items: center; font-weight: 500; }
.yoy-select select:disabled { opacity: 0.5; }
.cmp-notes { display: flex; flex-direction: column; gap: 2px; margin-top: 10px; }
table.data tfoot td { font-weight: 600; border-top: 1px solid var(--axis); border-bottom: 0; }
table.data td.sub { padding-left: 24px; color: var(--ink-2); }
.badge { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: 11px; background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.badge.warn { background: var(--warning-bg); color: var(--warning-ink); }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* ---------- pivot ---------- */
.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.pivot-controls { display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: flex-end; }
.pivot-controls + .pivot-controls { margin-top: 12px; }
.pivot-controls label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--ink-2); font-weight: 500; }
.pivot-controls select { min-width: 190px; }
.pv-filter { display: flex; flex-direction: column; gap: 6px; }

/* ---------- small multiples ---------- */
.multiples { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.multiples .card { padding: 14px 14px 6px; }
.mini-head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.mini-head h3 { font-size: 13px; font-weight: 600; }
.mini-value { font-size: 18px; font-weight: 600; margin-top: 2px; }
.chart.mini { height: 150px; }

/* ---------- upload results ---------- */
.upload-results { margin: 12px 24px 0; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.upload-results .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.upload-results ul { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow: auto; }
.upload-results li { display: flex; gap: 8px; padding: 3px 0; font-size: 13px; }
.upload-results .st { flex-shrink: 0; font-weight: 600; min-width: 92px; }
.st.added, .st.replaced { color: var(--good-text); }
.st.duplicate, .st.skipped { color: var(--ink-2); }
.st.error { color: var(--critical-text); }

.drop-overlay {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center;
  background: color-mix(in srgb, var(--page) 80%, transparent); backdrop-filter: blur(2px);
}
.drop-overlay div { padding: 32px 40px; border: 2px dashed var(--accent); border-radius: 16px; background: var(--surface); font-size: 16px; font-weight: 600; }
.drop-overlay[hidden] { display: none; }

/* ---------- dialog ---------- */
dialog {
  width: min(960px, calc(100vw - 32px)); max-height: calc(100vh - 48px); border: 1px solid var(--border);
  border-radius: 14px; padding: 0; background: var(--surface); color: var(--ink);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.4); }
.dlg-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface); z-index: 1; }
#dlgBody { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 16px; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px 16px; }
.facts div { font-size: 12px; color: var(--ink-2); }
.facts b { display: block; font-size: 14px; color: var(--ink); font-weight: 600; }

/* ---------- вход ---------- */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); display: flex; flex-direction: column; gap: 14px; padding: 28px 24px; }
.login-card input {
  height: 40px; padding: 0 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--ink); font: inherit;
}
.login-card input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.login-card .btn { height: 40px; justify-content: center; }
.login-error { color: var(--critical-text); font-size: 13px; margin: 0; }

@media (max-width: 900px) {
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .span-2 { grid-column: auto; }
}
@media (max-width: 640px) {
  .topbar, .filters { padding-left: 16px; padding-right: 16px; }
  .tabs { padding: 0 8px; }
  main { padding: 16px 16px 40px; }
  .upload-results { margin: 12px 16px 0; }
  .chart { height: 300px; }
  .pivot-controls select { min-width: 0; width: 100%; }
  .pivot-controls label { flex: 1 1 140px; }
  .multiples { grid-template-columns: minmax(0, 1fr); }
  .btn .lbl-long { display: none; }
}