/* ============================================================
   PRACTICE — OPERATIONS drills (js/practice-types-ops.js)
   Types: ops-tax, ops-stock, ops-wage, ops-capacity, ops-invoice.
   Everything shared by the steps runner is .pr-ops-*; the invoice
   document is .pr-ops-invoice-*. The engine's chrome and the row /
   input / table classes come from css/practice.css.
   ============================================================ */

.pr-ops-lede {
  font-size: 14px; color: var(--ink-2); margin: 0 0 12px; line-height: 1.55;
  padding: 10px 14px; border-radius: 10px; background: #fffbeb; border: 1px solid #fde68a;
}

/* the running panel: tax jar, clasps left, all-in cost … */
.pr-ops-state {
  display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px;
}
.pr-ops-state[hidden] { display: none; }
.pr-ops-stat {
  display: inline-flex; flex-direction: column; gap: 2px; min-width: 120px;
  padding: 8px 12px; border-radius: 10px; background: #eef2ff; border: 1px solid #c7d2fe;
}
.pr-ops-stat-l { font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: #3730a3; font-weight: 700; }
.pr-ops-stat-v { font-size: 16px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }

.pr-ops-t { margin: 0 0 8px; font-size: 16px; font-family: "Montserrat", sans-serif; }
.pr-ops-facts { margin: 0 0 12px; padding-left: 20px; font-size: 14.5px; color: var(--ink-2); line-height: 1.55; }
.pr-ops-facts li { margin: 2px 0; }

.pr-ops-rows { margin: 4px 0 8px; }
.pr-ops-field { display: flex; align-items: center; gap: 6px; }
.pr-ops-field .pr-input { flex: 1 1 auto; min-width: 0; text-align: right; font-variant-numeric: tabular-nums; }
.pr-ops-unit { font-size: 14px; color: var(--muted); font-weight: 600; white-space: nowrap; }

/* ---- the invoice document ---- */
.pr-ops-invoice-doc {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin: 4px 0 10px;
  background: #fff; box-shadow: var(--shadow-sm);
}
.pr-ops-invoice-head { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.pr-ops-invoice-title { font-family: "Montserrat", sans-serif; font-weight: 800; font-size: 22px; letter-spacing: 0.08em; color: var(--ink-2); }
.pr-ops-invoice-meta { display: grid; gap: 6px; font-size: 14px; }
.pr-ops-invoice-meta label { display: flex; align-items: center; gap: 8px; }
.pr-ops-invoice-meta .pr-input { width: auto; max-width: 150px; padding: 6px 8px; font-size: 14px; }
.pr-ops-invoice-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; font-size: 14.5px; margin-bottom: 8px; }
.pr-ops-invoice-parties .pr-sub, .pr-ops-invoice-pay .pr-sub { display: block; font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.pr-ops-invoice-lines .pr-input { max-width: 110px; text-align: right; }
.pr-ops-invoice-pay { font-size: 14px; margin-top: 8px; }
.pr-ops-invoice-marks { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 0 0 8px; }

@media (max-width: 640px) {
  .pr-ops-stat { flex: 1 1 calc(50% - 8px); min-width: 0; }
  .pr-ops-invoice-parties { grid-template-columns: 1fr; }
  .pr-ops-invoice-head { flex-direction: column; }
  .pr-ops-invoice-meta .pr-input { max-width: 100%; }
  .pr-ops-invoice-lines .pr-input { max-width: 90px; }
}