:root {
  --bg: #f6f7f4;
  --panel: #ffffff;
  --ink: #1d2620;
  --muted: #637067;
  --line: #dde2da;
  --accent: #2e6a45;
  --accent-ink: #ffffff;
  --soft: #eaf1e9;
  --good: #23753f;
  --bad: #b23a2a;
  --warn: #9a6a00;
  --radius: 8px;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-pos: #1baf7a;
  --series-neg: #e34948;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141815; --panel: #1c211d; --ink: #e8ece7; --muted: #9aa69d; --line: #303830;
    --accent: #5aa774; --accent-ink: #0d1a11; --soft: #213026;
    --good: #5cc27f; --bad: #ec7b6c; --warn: #d9a93a;
    --series-1: #3987e5; --series-2: #d95926; --series-pos: #199e70; --series-neg: #e66767;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.45 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-variant-numeric: tabular-nums;
}
a { color: var(--accent); }
header.top {
  display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: center;
  padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line);
}
header.top .brand { font-weight: 700; margin-right: 8px; color: var(--ink); text-decoration: none; }
header.top nav { display: flex; flex-wrap: wrap; gap: 2px 14px; flex: 1; }
header.top nav a { text-decoration: none; color: var(--muted); padding: 4px 0; }
header.top nav a.on { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--accent); }
header.top .who { color: var(--muted); font-size: 13px; display: flex; gap: 8px; align-items: center; }
main { padding: 20px; max-width: 1280px; margin: 0 auto; }
h1 { font-size: 22px; margin: 0 0 14px; text-wrap: balance; }
h2 { font-size: 16px; margin: 22px 0 8px; }
.muted { color: var(--muted); }
.flash { background: var(--soft); border: 1px solid var(--line); padding: 8px 12px; border-radius: var(--radius); margin-bottom: 14px; }
.bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 14px; }
.bar label { display: grid; gap: 2px; font-size: 12px; color: var(--muted); }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--panel);
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; min-height: 34px;
}
input[type=number] { width: 7em; }
input[type=checkbox] { width: 18px; height: 18px; min-height: 0; accent-color: var(--accent); }
button, .btn {
  font: inherit; display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 6px; padding: 6px 12px; min-height: 34px; text-decoration: none;
}
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.danger { color: var(--bad); }
table { border-collapse: collapse; width: 100%; background: var(--panel); }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--bg); }
td.n, th.n { text-align: right; white-space: nowrap; }
.scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.scroll table { border: 0; }
.pos { color: var(--good); }
.neg { color: var(--bad); }
.tag { font-size: 12px; padding: 1px 6px; border-radius: 10px; border: 1px solid var(--warn); color: var(--warn); white-space: nowrap; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; }
.kpi b { display: block; font-size: 20px; }
.kpi span { font-size: 12px; color: var(--muted); }

/* order form */
.order { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.order .head { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.order .head label { display: grid; gap: 2px; font-size: 12px; color: var(--muted); }
.order .head input, .order .head select { width: 100%; }
details.block { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-top: 12px; }
details.block > summary { cursor: pointer; padding: 10px 12px; font-weight: 600; display: flex; justify-content: space-between; gap: 10px; }
details.block > summary .sum { font-weight: 400; color: var(--muted); }
details.block table th:first-child, details.block table td:first-child { width: 34px; }
details.block table { border-top: 1px solid var(--line); }
tr.picked td { background: var(--soft); }
.totals { position: sticky; top: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.totals table { background: none; }
.totals td { border: 0; padding: 3px 0; }
.totals tr.sep td { border-top: 1px solid var(--line); padding-top: 8px; }
.totals .big td { font-size: 18px; font-weight: 700; }
.totals .alert { margin-top: 10px; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--bad); color: var(--bad); font-size: 13px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

/* charts */
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 14px; }
.chart { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; min-width: 0; }
.chart h2 { margin: 0 0 8px; }
.chart canvas { width: 100% !important; max-height: 300px; }

.login { max-width: 340px; margin: 12vh auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: grid; gap: 12px; }
.login input { width: 100%; }

@media (max-width: 900px) {
  .order { grid-template-columns: 1fr; }
  .totals { position: static; }
  .charts { grid-template-columns: 1fr; }
  main { padding: 14px 16px; }
  details.block input[type=number] { width: 4.2em; }
  details.block th, details.block td { padding: 6px 4px; }
}
.mobile-sum {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  justify-content: space-between; gap: 12px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  background: var(--panel); border-top: 1px solid var(--line); font-weight: 600;
}
@media (max-width: 900px) { .mobile-sum { display: flex; } body.has-sum main { padding-bottom: 64px; } }