:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3d8bfd;
  --ok: #3fb950;
  --border: #30363d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.wrap { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }
h1 { font-size: 1.35rem; font-weight: 600; margin: 0 0 1rem; }
h2 { font-size: 1rem; color: var(--muted); margin: 1.25rem 0 0.5rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-end; margin-bottom: 0.75rem; }
label { font-size: 0.8rem; color: var(--muted); display: block; margin-bottom: 0.25rem; }
input[type="date"], input[type="text"], input[type="password"] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  font-size: 0.95rem;
}
button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-block;
}
button.secondary { background: #30363d; }
button.danger { background: #da3633; }
.tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.tab {
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  cursor: pointer;
  color: var(--muted);
}
.tab.active { border-color: var(--accent); color: var(--text); }
.hidden { display: none !important; }
.grid-kpi {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}
.kpi {
  background: var(--bg);
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.kpi b { display: block; font-size: 1.25rem; color: var(--ok); }
.kpi span { font-size: 0.75rem; color: var(--muted); }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }
#chart { max-height: 320px; }
.hint { font-size: 0.8rem; color: var(--muted); margin-top: 0.5rem; }
.export-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }

/* Кабинет (dashboard) */
.login-body { display: flex; align-items: center; min-height: 100vh; }
.login-wrap { max-width: 520px; }
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.topbar-title { font-size: 1.1rem; margin: 0; font-weight: 600; }
.topbar-meta { display: flex; align-items: center; gap: 0.75rem; }
.badge {
  font-size: 0.8rem;
  color: var(--muted);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.dash-wrap { max-width: 1200px; padding-bottom: 2rem; }
.dash-tabs { flex-wrap: wrap; }
.filters .row { margin-bottom: 0; }
.panel { margin-top: 0.5rem; }
.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  align-items: stretch;
}
.chart-grid.single { grid-template-columns: 1fr; }
/* Фиксированная высота области графика — иначе Chart.js (maintainAspectRatio: false) + flex дают «бесконечное» растягивание */
.chart-card {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 280px;
  min-height: 0;
  flex-shrink: 0;
}
.chart-card.chart-tall .chart-canvas-wrap,
.chart-canvas-wrap--tall {
  height: 360px;
}
.chart-canvas-wrap canvas {
  display: block;
  max-width: 100%;
}
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}
.table-wrap.wide { max-height: min(70vh, 720px); overflow-y: auto; }
.table-card { padding: 0.5rem 0.75rem; }
table.dense { font-size: 0.78rem; }
table.dense th, table.dense td { padding: 0.35rem 0.45rem; white-space: nowrap; }