:root {
  --bg: #f5f7f8; --card: #ffffff; --text: #17252a; --muted: #5d6f75; --line: #e1e7ea;
  --brand: #0f5c63; --brand-2: #138a8f;
  --green: #1d7a46; --green-bg: #e3f4ea; --red: #b42318; --red-bg: #fde8e6;
  --amber: #8a5300; --amber-bg: #fdf0d9; --blue: #1f5fae; --blue-bg: #e5effb; --gray: #55636a; --gray-bg: #edf1f3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1719; --card: #172226; --text: #e6eef0; --muted: #9db0b6; --line: #2a3a3f;
    --brand: #5cc4c8; --brand-2: #7fd6d9;
    --green: #7fd6a2; --green-bg: #173826; --red: #ff9b8f; --red-bg: #43201c;
    --amber: #f5c26b; --amber-bg: #3d2d10; --blue: #93c0f5; --blue-bg: #19304d; --gray: #b3c1c6; --gray-bg: #243237;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); }
h1 { font-size: 1.6rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 .25rem; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 20px; padding-bottom: 48px; }
.top { background: var(--card); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; align-items: center; gap: 24px; min-height: 56px; flex-wrap: wrap; }
.brand { font-weight: 800; color: var(--brand); text-decoration: none; letter-spacing: .02em; }
.brand span { font-weight: 500; color: var(--muted); }
.brand.big { font-size: 1.6rem; }
nav { display: flex; gap: 4px; flex: 1; }
nav a { padding: 6px 12px; border-radius: 8px; text-decoration: none; color: var(--muted); }
nav a.on { background: var(--gray-bg); color: var(--text); font-weight: 600; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; overflow-x: auto; }
.card.flush { padding: 0; }
.pad { padding: 16px 16px 4px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; }
.count { color: var(--muted); font-weight: 500; margin-left: 4px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.empty { color: var(--muted); padding: 8px 0; }
.error { color: var(--red); background: var(--red-bg); padding: 8px 12px; border-radius: 8px; }
.notice { background: var(--blue-bg); color: var(--text); padding: 10px 14px; border-radius: 8px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 8px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; text-decoration: none; color: var(--text); }
.kpi-value { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi-label { color: var(--muted); font-size: .85rem; }
.kpi.red .kpi-value { color: var(--red); }
.kpi.blue .kpi-value { color: var(--blue); }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.card:not(.flush) th:first-child, .card:not(.flush) td:first-child { padding-left: 0; }
tbody tr:last-child td { border-bottom: 0; }
td .muted { font-size: .82rem; }
.who { font-weight: 600; text-decoration: none; word-break: break-word; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.badge.green { background: var(--green-bg); color: var(--green); }
.badge.red { background: var(--red-bg); color: var(--red); }
.badge.amber { background: var(--amber-bg); color: var(--amber); }
.badge.blue { background: var(--blue-bg); color: var(--blue); }
.badge.gray { background: var(--gray-bg); color: var(--gray); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
input, select, button, .button { font: inherit; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
.filters input[type=search] { flex: 1; min-width: 220px; }
button, .button { cursor: pointer; text-decoration: none; display: inline-block; }
button.primary { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
@media (prefers-color-scheme: dark) { button.primary { color: #0f1719; } }
button.link { background: none; border: 0; color: var(--muted); padding: 6px; }
form + p { margin-top: 18px; }
.pager { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
dl { margin: 8px 0 0; }
dl > div { display: grid; grid-template-columns: 190px 1fr; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); }
dl > div:last-child { border-bottom: 0; }
dt { color: var(--muted); }
dd { margin: 0; }
body.center { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login { width: 100%; max-width: 380px; display: grid; gap: 12px; padding: 28px; }
.login label { display: grid; gap: 6px; color: var(--muted); font-size: .9rem; }
@media (max-width: 760px) {
  .grid2 { grid-template-columns: 1fr; }
  dl > div { grid-template-columns: 1fr; gap: 0; }
  table thead { display: none; }
  table, tbody, tr, td { display: block; width: 100%; }
  tr { border-bottom: 1px solid var(--line); padding: 8px 0; }
  td { border: 0; padding: 4px 16px !important; }
  td[data-label]::before { content: attr(data-label); display: block; font-size: .72rem; text-transform: uppercase; color: var(--muted); }
  nav { order: 3; flex-basis: 100%; overflow-x: auto; }
}
.form-foot { padding: 16px; }
select { max-width: 100%; }

/* ---------- Charts (palette validated for color-vision deficiency, light and dark) ---------- */
:root { --series-1: #2a78d6; --series-2: #eb6834; --grid: #e6eaec; --axis: #b9c3c7; }
@media (prefers-color-scheme: dark) { :root { --series-1: #3987e5; --series-2: #d95926; --grid: #263439; --axis: #3d4f55; } }
.chart { margin: 8px 0 4px; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .base { stroke: var(--axis); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .direct { fill: var(--text); font-size: 12px; font-weight: 600; }
.chart path.s1, .chart .dot.s1 { fill: var(--series-1); }
.chart path.s2 { fill: var(--series-2); }
.chart .line.s1 { fill: none; stroke: var(--series-1); stroke-width: 2; }
.chart .dot { stroke: var(--card); stroke-width: 2; }
.chart .hit { fill: transparent; }
.chart .mark:hover .hit { fill: var(--gray-bg); }
.chart .mark:hover path, .chart .mark:hover .dot { filter: brightness(1.1); }
.legend { display: flex; gap: 16px; font-size: .85rem; color: var(--muted); margin-bottom: 4px; }
.legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.sw.s1 { background: var(--series-1); } .sw.s2 { background: var(--series-2); }
.table-view { margin-top: 6px; font-size: .9rem; }
.table-view summary { cursor: pointer; color: var(--brand); }
.table-view td.num { text-align: right; font-variant-numeric: tabular-nums; }
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-bottom: 14px; background: var(--card); }
.segmented .seg { padding: 7px 14px; text-decoration: none; color: var(--muted); }
.segmented .seg.on { background: var(--brand); color: #fff; font-weight: 600; }
@media (prefers-color-scheme: dark) { .segmented .seg.on { color: #0f1719; } }
form.inline { display: flex; gap: 8px; align-items: center; }
.kpi-delta { font-size: .82rem; margin-top: 4px; color: var(--muted); }
.kpi-delta.up { color: var(--green); } .kpi-delta.down { color: var(--red); }

/* ---------- Group 1 polish ---------- */
.kpi.link { transition: border-color .15s, transform .15s; }
.kpi.link:hover { border-color: var(--brand); transform: translateY(-1px); }
.kpi .go { opacity: 0; transition: opacity .15s; color: var(--brand); }
.kpi.link:hover .go { opacity: 1; }
h3 { font-size: .9rem; margin: 14px 0 4px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.money-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 10px 0 4px; }
.money-row > div { background: var(--red-bg); border-radius: 10px; padding: 10px 14px; }
.money-row .money { font-size: 1.35rem; font-weight: 700; color: var(--red); font-variant-numeric: tabular-nums; }
details.older { margin-top: 12px; }
details.older summary { cursor: pointer; color: var(--brand); font-weight: 600; padding: 6px 0; }
.dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(520px, 1fr)); gap: 0 16px; align-items: start; }
.login-mark { display: block; border-radius: 10px; }
.top { position: sticky; top: 0; z-index: 10; }
nav { scrollbar-width: none; }
nav::-webkit-scrollbar { display: none; }
@media (max-width: 760px) {
  .top-inner { gap: 4px 12px; padding-top: 8px; }
  .top-inner .brand { order: 1; }
  .top-inner .top-end { order: 2; margin-left: auto; }
  .filters select, .filters input[type=search] { flex: 1 1 100%; }
  nav { order: 3; flex-basis: 100%; overflow-x: auto; padding-bottom: 8px; }
  nav a { white-space: nowrap; }
  .dash-grid { grid-template-columns: 1fr; }
  .money-row { grid-template-columns: 1fr 1fr; }
}
.dash-grid .prod { display: none; }
.dash-grid td:first-child { width: 42%; }
.dash-grid .who { word-break: break-word; overflow-wrap: anywhere; }
.dash-grid .badge { white-space: nowrap; }
.money-row > div.calm { background: var(--gray-bg); }
.money-row > div.calm .money { color: var(--text); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 10px 0; }
.stat-row > div { background: var(--gray-bg); border-radius: 10px; padding: 10px 14px; }
.stat { font-size: 1.35rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.email-preview { width: 100%; max-width: 700px; height: 1100px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }

/* ---------- Language picker ---------- */
.top-end { display: flex; align-items: center; gap: 4px; }
details.lang { position: relative; }
details.lang summary { list-style: none; cursor: pointer; padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: .8rem; font-weight: 600; color: var(--muted); letter-spacing: .04em; }
details.lang summary::-webkit-details-marker { display: none; }
details.lang summary::before { content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 6px; vertical-align: -2px; border: 1.5px solid currentColor; border-radius: 50%; box-sizing: border-box;
  background: linear-gradient(currentColor, currentColor) center / 1.5px 100% no-repeat, linear-gradient(currentColor, currentColor) center / 100% 1.5px no-repeat; }
details.lang[open] summary, details.lang summary:hover { color: var(--text); border-color: var(--brand); }
.lang-menu { position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; min-width: 150px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 4px; box-shadow: 0 8px 24px rgba(0, 0, 0, .12); display: grid; }
.lang-menu a { padding: 7px 10px; border-radius: 6px; text-decoration: none; color: var(--text); }
.lang-menu a:hover { background: var(--gray-bg); }
.lang-menu a.on { font-weight: 700; color: var(--brand); }
.login-lang { position: fixed; top: 16px; right: 16px; }