:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #8a8a8a;
  --line: #e4e4e4;
  --line-strong: #c9c9c9;
  --accent: #ff7a00;
  --accent-soft: #ffe6cf;
  --pos: #111111;
  --neg: #ff7a00;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  font-size: 15px; line-height: 1.4;
  background: var(--bg); color: var(--fg);
}
body { padding-bottom: 24px; }

.brand {
  text-align: center; padding: 14px 16px 24px;
  font-size: 11px; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase;
}
.brand a { color: var(--accent); text-decoration: none; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.tabs { display: flex; }
.tab {
  flex: 1; padding: 14px 8px;
  background: transparent; border: 0; cursor: pointer;
  font-size: 14px; font-weight: 500; color: var(--muted);
  border-bottom: 2px solid transparent;
}
.tab.active { color: var(--fg); border-bottom-color: var(--accent); }

.period-bar {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 10px;
}
.period-presets { display: flex; gap: 8px; }
.preset {
  flex: 1; padding: 8px 0;
  background: transparent; color: var(--fg);
  border: 1px solid var(--line-strong); border-radius: 6px;
  font-size: 13px; cursor: pointer;
}
.preset.active { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.period-nav {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.nav-arrow {
  width: 36px; height: 32px;
  background: transparent; color: var(--fg);
  border: 1px solid var(--line-strong); border-radius: 6px;
  font-size: 20px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.nav-arrow:disabled, .nav-arrow[aria-disabled="true"] {
  color: var(--muted); cursor: not-allowed; opacity: 0.5;
}
.period-label {
  flex: 1; text-align: center; font-size: 13px; font-weight: 500; color: var(--fg);
}
.period-custom { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.period-custom input {
  flex: 1; padding: 6px 8px;
  border: 1px solid var(--line-strong); border-radius: 6px;
  font-size: 13px; background: var(--bg); color: var(--fg);
}
.period-custom .dash { color: var(--muted); }

.directions-bar { padding: 10px 16px; border-bottom: 1px solid var(--line); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 4px 10px;
  font-size: 12px;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--line-strong); border-radius: 999px;
  cursor: pointer; user-select: none;
}
.chip.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

.panel { padding: 16px; }
.hidden { display: none !important; }

.loader { padding: 24px 0; text-align: center; color: var(--muted); font-size: 13px; }
.loader::after { content: "Загрузка…"; }
.error { padding: 16px; background: #fff0e8; color: var(--neg); border-radius: 8px; font-size: 13px; }

.kpi-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-bottom: 16px; }
.kpi {
  background: #f6f6f6; border-radius: 8px;
  padding: 12px 10px;
}
.kpi .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi .value { font-size: 18px; font-weight: 600; margin-top: 4px; }
.kpi.neg .value { color: var(--neg); }

.disclaimer { font-size: 11px; color: var(--muted); margin: -8px 0 14px; }

.section-title {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); margin: 18px 0 8px;
}

table.data {
  width: 100%; border-collapse: collapse;
  font-size: 13px;
}
table.data th, table.data td {
  padding: 8px 6px; text-align: right;
  border-bottom: 1px solid var(--line);
}
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data th { font-weight: 500; color: var(--muted); }
table.data tr.total td { font-weight: 600; border-top: 1px solid var(--line-strong); border-bottom: 0; }
table.data tr.group-head td {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); padding-top: 14px; border-bottom: 1px solid var(--line-strong);
}
table.data tr.subtotal td { font-weight: 600; border-bottom: 1px solid var(--line-strong); }
.num.neg { color: var(--neg); }

.chart { margin: 8px 0 16px; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .axis-label { font-size: 10px; fill: var(--muted); }
.chart .bar-pos { fill: var(--fg); }
.chart .bar-neg { fill: var(--accent); }
.chart .donut-label { font-size: 11px; fill: var(--fg); }