:root {
  --bg: #f6f8fb; --card: #fff; --ink: #1d2433; --muted: #6b7486; --line: #e3e8ef;
  --brand: #1f6feb; --brand-2: #0ea5e9; --ok: #16a34a; --warn: #d97706; --bad: #dc2626;
  --fact: #00ff00; --fact-l: #d9f7d9; --plan: #ffff00; --plan-l: #fff8c4; --black: #111;
  --r: 12px; --sh: 0 1px 2px rgba(16,24,40,.06), 0 4px 16px rgba(16,24,40,.06);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 14px/1.45 -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--brand); text-decoration: none; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.2; }
h1 { font-size: 26px; } h2 { font-size: 20px; } h3 { font-size: 16px; }
.muted { color: var(--muted); } .small { font-size: 12px; } .nowrap { white-space: nowrap; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh); padding: 16px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0,1fr)); } .g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 900px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

button, .btn { font: inherit; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 8px; padding: 7px 12px; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; white-space: nowrap; }
button:hover, .btn:hover { border-color: #c6cfdc; background: #f9fbfd; }
button.primary, .btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
button.primary:hover { background: #1a5fd0; }
button.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
button.warn { background: #fff7ed; border-color: #fdba74; color: #9a3412; }
button.danger { color: var(--bad); }
button.sm { padding: 3px 8px; font-size: 12px; border-radius: 6px; }
button:disabled { opacity: .5; cursor: default; }
input, select { font: inherit; border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; background: #fff; color: var(--ink); }
input:focus, select:focus { outline: 2px solid #bfdbfe; border-color: var(--brand); }
input.qty { width: 72px; text-align: right; }
label.f { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }

table { border-collapse: collapse; width: 100%; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: #fafbfd; position: sticky; top: 0; z-index: 1; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
tr:hover td { background: #fafcff; }
.tbl-wrap { overflow: auto; max-height: 70vh; border: 1px solid var(--line); border-radius: 10px; background: #fff; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: #eef2f7; color: #334155; white-space: nowrap; }
.pill:empty { display: none; }
.pill.ok { background: #dcfce7; color: #166534; } .pill.warn { background: #fef3c7; color: #92400e; }
.pill.bad { background: #fee2e2; color: #991b1b; } .pill.info { background: #dbeafe; color: #1e40af; }
.pill.plan { background: var(--plan-l); color: #854d0e; border: 1px solid #fde047; } .pill.fact { background: var(--fact-l); color: #166534; border: 1px solid #86efac; }

.toast { position: fixed; right: 20px; bottom: 20px; z-index: 100; display: flex; flex-direction: column; gap: 8px; }
.toast div { background: #111827; color: #fff; padding: 10px 14px; border-radius: 10px; box-shadow: var(--sh); max-width: 420px; animation: in .2s; }
.toast div.err { background: var(--bad); }
@keyframes in { from { transform: translateY(8px); opacity: 0; } }

.kpi { display: flex; flex-direction: column; gap: 2px; }
.kpi b { font-size: 24px; font-variant-numeric: tabular-nums; }
.bar { height: 10px; background: #eef2f7; border-radius: 6px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--brand-2)); }
.empty { padding: 32px; text-align: center; color: var(--muted); }
pre.code { background: #0f172a; color: #e2e8f0; padding: 12px; border-radius: 8px; overflow: auto; font-size: 12px; max-height: 340px; }

/* ---------- шапка демо ---------- */
.demo-bar { background: #0f172a; color: #cbd5e1; font-size: 12px; padding: 6px 16px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.demo-bar a { color: #93c5fd; } .demo-bar a.on { color: #fff; font-weight: 600; }
.demo-bar .sp { flex: 1; }