:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #8a8985;
  --line: #e6e5e1;
  --grid: #ececea;
  --series: #2a78d6;
  --series-soft: rgba(42, 120, 214, 0.10);
  --seg-bg: #f0efec;
  --seg-on: #ffffff;
  --focus: #2a78d6;
  --tooltip-bg: #ffffff;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  /* пояса: ординальная шкала одного оттенка, запад -> восток */
  --zone-0: #86b6ef;
  --zone-1: #5598e7;
  --zone-2: #2a78d6;
  --zone-3: #1c5cab;
  --zone-4: #104281;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --ink-3: #8b8a83;
    --line: #2f2f2d;
    --grid: #262624;
    --series: #3987e5;
    --series-soft: rgba(57, 135, 229, 0.14);
    --seg-bg: #262624;
    --seg-on: #383835;
    --focus: #3987e5;
    --tooltip-bg: #262624;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    --zone-0: #184f95;
    --zone-1: #256abf;
    --zone-2: #3987e5;
    --zone-3: #6da7ec;
    --zone-4: #9ec5f4;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --ink-3: #8b8a83;
  --line: #2f2f2d;
  --grid: #262624;
  --series: #3987e5;
  --series-soft: rgba(57, 135, 229, 0.14);
  --seg-bg: #262624;
  --seg-on: #383835;
  --focus: #3987e5;
  --tooltip-bg: #262624;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  --zone-0: #184f95;
  --zone-1: #256abf;
  --zone-2: #3987e5;
  --zone-3: #6da7ec;
  --zone-4: #9ec5f4;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration-color: var(--ink-3); text-underline-offset: 2px; }
a:hover { text-decoration-color: var(--ink); }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.head-text { flex: 1 1 320px; min-width: 0; }
h1 { font-size: 22px; line-height: 1.2; margin: 0 0 6px; font-weight: 650; letter-spacing: -0.01em; }
.lead { margin: 0; color: var(--ink-2); max-width: 60ch; }

.tile {
  flex: 0 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 16px;
  min-width: 180px;
}
.tile-label { font-size: 12px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; }
.tile-value { font-size: 34px; font-weight: 650; line-height: 1.1; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.tile-note { font-size: 13px; color: var(--ink-2); margin-top: 4px; font-variant-numeric: tabular-nums; }

.banner {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0 0 16px;
  padding: 10px 14px;
  background: var(--series-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--series);
  border-radius: 8px;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.5;
}

.controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.controls-label { color: var(--ink-3); font-size: 13px; margin-right: 4px; }
.seg {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--seg-bg);
  color: var(--ink-2);
  font: inherit;
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  min-height: 36px;
}
.seg[aria-pressed="true"] { background: var(--seg-on); color: var(--ink); border-color: var(--ink-3); font-weight: 600; }
.seg:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.status { margin-left: auto; color: var(--ink-3); font-size: 13px; font-variant-numeric: tabular-nums; }

.legend-bar { margin-bottom: 10px; }
.zones-toggle {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--seg-bg);
  color: var(--ink-2);
  font: inherit;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  min-height: 32px;
}
.zones-toggle[aria-pressed="true"] { background: var(--seg-on); color: var(--ink); border-color: var(--ink-3); font-weight: 600; }
.zones-toggle:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.legend {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.chip-key { display: inline-block; width: 14px; height: 0; border-top: 2px solid var(--ink-3); flex: none; }
.legend .chip[aria-pressed="false"] { opacity: 0.55; }
.legend .chip[aria-pressed="false"] .chip-key { border-top-style: dotted; }

.chart {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.scroller {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  height: 420px;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  cursor: crosshair;
}
.scroller:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
.spacer { height: 1px; }
.canvas {
  position: sticky;
  left: 0;
  top: 0;
  display: block;
  margin-top: -1px;
  touch-action: pan-x;
}
@media (max-width: 600px) {
  .scroller { height: 320px; }
}

.tooltip {
  position: absolute;
  top: 12px;
  left: 0;
  pointer-events: none;
  background: var(--tooltip-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.35;
  white-space: nowrap;
  z-index: 2;
}
.tt-time { color: var(--ink-3); font-size: 12px; margin-bottom: 4px; font-variant-numeric: tabular-nums; }
.tt-row { display: flex; align-items: center; gap: 8px; color: var(--ink-2); font-variant-numeric: tabular-nums; line-height: 1.5; }
.tt-key { display: inline-block; width: 14px; height: 0; border-top: 2px solid var(--series); flex: none; }
.tt-label { flex: 1 1 auto; }
.tt-v { color: var(--ink); font-weight: 600; margin-left: 8px; }
.tt-total .tt-label { color: var(--ink); }
.tt-total .tt-v { font-size: 15px; }
.tt-sub { color: var(--ink-3); font-size: 12px; margin: -2px 0 4px 22px; font-variant-numeric: tabular-nums; }

.empty {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  margin: 0; color: var(--ink-3);
  background: var(--surface);
}

.table-wrap { margin-top: 16px; color: var(--ink-2); }
.table-wrap summary { cursor: pointer; color: var(--ink-2); font-size: 14px; }
table { border-collapse: collapse; margin-top: 10px; font-variant-numeric: tabular-nums; font-size: 14px; width: 100%; max-width: 560px; }
th, td { text-align: right; padding: 4px 10px; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; padding-left: 0; }
th { color: var(--ink-3); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
td { color: var(--ink); }

.regions { margin-top: 28px; }

.regions-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.regions-head h2 { font-size: 17px; margin: 0; font-weight: 650; letter-spacing: -0.01em; }

.filter {
  appearance: none;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 12px;
  min-height: 36px;
  min-width: 200px;
}
.filter::placeholder { color: var(--ink-3); }
.filter:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }

.summary {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.summary-item { display: flex; flex-direction: column; gap: 2px; }
.summary-label { font-size: 12px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; }
.summary-value { font-size: 21px; font-weight: 650; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.summary-sub { font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; }

.regions-table-wrap {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
/* подсказка прокрутки на узких экранах: гаснет у своего края сама, см. updateTableFade() */
.regions-table-wrap::before, .regions-table-wrap::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 20px;
  pointer-events: none; opacity: 0; transition: opacity 0.15s;
}
.regions-table-wrap::before { left: 0; background: linear-gradient(to right, var(--surface), transparent); }
.regions-table-wrap::after { right: 0; background: linear-gradient(to left, var(--surface), transparent); }
.regions-table-wrap.fade-left::before { opacity: 1; }
.regions-table-wrap.fade-right::after { opacity: 1; }

.regions-table { border-collapse: collapse; width: 100%; max-width: none; margin: 0; font-variant-numeric: tabular-nums; font-size: 14px; white-space: nowrap; }
.regions-table th, .regions-table td { padding: 8px 14px; text-align: right; border-bottom: 1px solid var(--line); }
.regions-table th:first-child, .regions-table td:first-child { text-align: left; }
.regions-table tbody tr:last-child td { border-bottom: none; }
.regions-table tbody tr:hover td { background: var(--series-soft); }
.regions-table td:first-child { color: var(--ink); font-weight: 500; }
.regions-table td { color: var(--ink-2); }
.regions-table td.num { color: var(--ink); font-variant-numeric: tabular-nums; }
/* субъект остаётся на месте при прокрутке вбок - строка иначе теряет подпись */
.regions-table th:first-child, .regions-table td:first-child {
  position: sticky; left: 0; z-index: 1; background: var(--surface);
}
.regions-table tbody tr:hover td:first-child { background: var(--series-soft); }

.sort {
  appearance: none;
  border: 0;
  background: none;
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.sort:hover { color: var(--ink-2); }
.sort:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.sort[aria-sort]:not([aria-sort="none"]) { color: var(--ink); }
.sort-arrow { font-size: 10px; }

.meter {
  display: inline-block;
  width: 44px;
  height: 4px;
  border-radius: 2px;
  background: var(--grid);
  vertical-align: middle;
  margin-left: 8px;
  overflow: hidden;
}
.meter-fill { display: block; height: 100%; background: var(--series); border-radius: 2px; }

/* пояс: текст несёт смысл, цвет только помогает глазу; МСК - база, без цвета */
.zone {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 8px;
  padding: 1px 7px 1px 5px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  background: color-mix(in srgb, var(--zone-c, var(--ink-3)) 14%, transparent);
  vertical-align: 1px;
  font-variant-numeric: tabular-nums;
}
.zone-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--zone-c, var(--ink-3)); flex: none; }
.zone-msk { background: none; padding-left: 4px; }
.zone-msk .zone-dot { background: var(--ink-3); opacity: 0.6; }
.zone-0 { --zone-c: var(--zone-0); }
.zone-1 { --zone-c: var(--zone-1); }
.zone-2 { --zone-c: var(--zone-2); }
.zone-3 { --zone-c: var(--zone-3); }
.zone-4 { --zone-c: var(--zone-4); }

.zones {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.zones-label { color: var(--ink-3); font-size: 13px; margin-right: 4px; }
.chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: var(--seg-bg);
  color: var(--ink-2);
  font: inherit;
  font-size: 13px;
  padding: 4px 11px 4px 9px;
  border-radius: 999px;
  cursor: pointer;
  min-height: 32px;
  font-variant-numeric: tabular-nums;
}
.chip[aria-pressed="true"] { background: var(--seg-on); color: var(--ink); border-color: var(--ink-3); font-weight: 600; }
.chip:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.chip .zone-dot { width: 8px; height: 8px; }
.chip-n { color: var(--ink-3); font-weight: 400; }
.chip[aria-pressed="true"] .chip-n { color: var(--ink-2); }

.regions .empty { position: static; background: none; padding: 20px 0; }
.note { margin: 10px 0 0; color: var(--ink-3); font-size: 12px; }

.foot {
  display: flex; gap: 20px; flex-wrap: wrap;
  margin-top: 24px; color: var(--ink-3); font-size: 13px;
}