/* Acme ERP (demo). Plain CSS, system fonts only.
   No Google Fonts and no analytics: the product under test must not make a
   request this project did not write. */
:root {
  --ink: #16202c; --ink-2: #5a6775; --line: #dfe4ea;
  --bg: #f6f7f9; --card: #fff; --accent: #1f6feb; --bad: #b3261e;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
header {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 20px; background: #10243d; color: #fff;
}
header .muted { color: #b9c6d6; font-size: 13px; }
.tag {
  background: #2a4a72; color: #fff; border-radius: 999px;
  padding: 1px 8px; font-size: 12px;
}
main { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 20px; padding: 20px; }
@media (max-width: 760px) { main { grid-template-columns: 1fr; } }
nav .chain { margin-bottom: 18px; }
nav h3 { margin: 0 0 6px; font-size: 12px; text-transform: uppercase; color: var(--ink-2); letter-spacing: .05em; }
nav ul { list-style: none; margin: 0; padding: 0; }
nav a {
  display: flex; justify-content: space-between; gap: 8px; align-items: center;
  padding: 7px 10px; border-radius: 7px; text-decoration: none; color: var(--ink);
}
nav a:hover { background: #eceff3; }
nav a.on { background: var(--accent); color: #fff; }
nav a.blocked span:first-child::after { content: ' ·'; color: var(--ink-2); }
nav a.blocked { color: var(--ink-2); }
nav a.on .count { background: rgba(255,255,255,.25); color: #fff; }
.count { background: #e7ebf0; border-radius: 999px; padding: 0 7px; font-size: 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-bottom: 18px; }
h2, h3 { margin: 0 0 12px; }
.field { margin-bottom: 14px; }
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
input, select {
  width: 100%; padding: 8px 10px; font: inherit; color: inherit;
  border: 1px solid var(--line); border-radius: 7px; background: #fff; min-height: 38px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--bad); }
.hint { margin: 4px 0 0; font-size: 12px; color: var(--ink-2); }
.error { margin: 4px 0 0; font-size: 13px; color: var(--bad); font-weight: 600; }
.actions { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
button {
  font: inherit; font-weight: 600; padding: 9px 16px; min-height: 38px;
  border-radius: 7px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer;
}
button[disabled] { opacity: .45; cursor: not-allowed; }
td button { background: #fff; color: var(--ink); border-color: var(--line); font-weight: 500; padding: 4px 10px; min-height: 30px; }
.saved { color: #1a7f37; font-weight: 600; }
.need { background: #fff8e6; border: 1px solid #f0d28a; border-radius: 8px; padding: 10px 12px; margin-bottom: 14px; }
.muted { color: var(--ink-2); }
table { width: 100%; border-collapse: collapse; }
td { padding: 8px 4px; border-bottom: 1px solid var(--line); }
.right { text-align: right; }
.lines { margin-bottom: 8px; }
.line { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--line); }
.line.totals { gap: 18px; justify-content: flex-end; font-size: 14px; border-bottom: 0; padding-top: 10px; }
.lineadd { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; }
footer { padding: 14px 20px; font-size: 13px; }