/* Scoped purchasing workspace; order actions keep their existing behavior. */
.purchasing-page { --purchase-border: #e3e5ed; --purchase-muted: #606779; --purchase-surface: #fff; --purchase-soft: #f8f9fc; padding-top: 24px; }
.dark .purchasing-page { --purchase-border: #30374a; --purchase-muted: #a9b2c5; --purchase-surface: #171c2b; --purchase-soft: #1c2233; }
.purchasing-overview, .purchasing-orders { background: var(--purchase-surface); border: 1px solid var(--purchase-border); border-radius: 14px; }
.purchasing-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 24px 18px; }
.purchasing-heading .page-title { font-size: 24px; letter-spacing: -.025em; }
.purchasing-refresh { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 10px; }
.purchasing-summary:not(.hidden) { display: grid; grid-template-columns: 1.2fr .8fr 1fr 1fr auto; align-items: center; padding: 4px 24px 22px; gap: 20px; }
.purchasing-metric { display: flex; flex-direction: column; gap: 4px; border-right: 1px solid var(--purchase-border); }
.purchasing-metric > span { color: var(--purchase-muted); font-size: 12px; font-weight: 500; }
.purchasing-metric strong { font-size: 26px; line-height: 1.3; font-weight: 650; letter-spacing: -.025em; font-variant-numeric: tabular-nums; }
.purchasing-metric-urgent strong { color: #5145cd; }
.dark .purchasing-metric-urgent strong { color: #b6afff; }
.purchasing-summary-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.purchasing-calculation { border-top: 1px solid var(--purchase-border); padding: 12px 24px; color: var(--purchase-muted); }
.purchasing-calculation summary { width: fit-content; }
#calculation-details { max-width: 90ch; line-height: 1.65; }
.purchasing-customers { padding: 18px 24px; border-top: 1px solid var(--purchase-border); background: var(--purchase-soft); border-radius: 0 0 14px 14px; }
.purchasing-customer-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.purchasing-customer-actions { display: flex; flex-wrap: wrap; gap: 8px; }
#customer-shortfalls { color: var(--purchase-muted); font-size: 12px; line-height: 1.65; }
.purchasing-orders { margin-top: 24px; }
.purchasing-orders-heading { padding: 20px 24px 16px; border-bottom: 1px solid var(--purchase-border); }
.purchasing-orders-heading h2 { font-size: 15px; font-weight: 650; }
.purchasing-orders-heading p { margin-top: 5px; color: var(--purchase-muted); font-size: 12px; line-height: 1.6; }
.purchasing-page #po-list > [data-po-card] { border: 0; border-bottom: 1px solid var(--purchase-border); border-radius: 0; box-shadow: none; background: transparent; }
.purchasing-page .po-header { padding: 18px 24px; border-radius: 0; flex-wrap: wrap; row-gap: 12px; }
.purchasing-page .po-header > div:last-child { flex-wrap: wrap; row-gap: 8px; }
.purchasing-page [data-stock-summary]:not(:empty) { padding: 0 24px 12px; color: var(--purchase-muted); }
.purchasing-page #po-list > div:last-child:not([data-po-card]) { margin: 0; border: 0; padding: 16px 24px; }
.purchasing-page .btn-history-toggle { color: var(--purchase-muted); font-weight: 500; }
.purchasing-page #skipped-strip:not(.hidden) { padding: 0 24px 16px; }
.purchasing-page button:focus-visible, .purchasing-page a:focus-visible, .purchasing-page summary:focus-visible { outline: 2px solid #7162df; outline-offset: 3px; }
/* Invisible tooltip boxes must not widen the document on narrow screens. */
.purchasing-page .tip::after { display: none; }
.purchasing-page .tip:hover::after, .purchasing-page .tip:focus-visible::after, .purchasing-page .tip.tip-open::after { display: block; }
.purchasing-page .po-header .tip::after, .purchasing-page #last-updated::after { left: auto; right: 0; transform: none; }
@media (max-width: 1100px) {
  .purchasing-summary:not(.hidden) { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .purchasing-summary-actions { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: flex-end; }
  .purchasing-metric:nth-child(4) { border-right: 0; }
}
@media (max-width: 640px) {
  .purchasing-page { padding: 12px; }
  .purchasing-heading { align-items: flex-start; flex-direction: column; padding: 18px 16px; }
  .purchasing-refresh { justify-content: flex-start; gap: 8px; }
  .purchasing-page #last-updated { white-space: normal; }
  .purchasing-summary:not(.hidden) { padding: 0 16px 18px; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .purchasing-metric:nth-child(2) { border-right: 0; }
  .purchasing-metric strong { font-size: 23px; }
  .purchasing-summary-actions { justify-content: flex-start; flex-wrap: wrap; }
  .purchasing-calculation, .purchasing-customers, .purchasing-orders-heading { padding: 14px 16px; }
  .purchasing-customer-actions .btn { white-space: normal; }
  .purchasing-page .po-header { padding: 16px; }
  .purchasing-page .po-header > div { max-width: 100%; flex-wrap: wrap; white-space: normal; }
  .purchasing-page .po-header > div:last-child > span:first-child { flex-basis: 100%; margin-bottom: 4px; }
  .purchasing-page [data-stock-summary]:not(:empty) { padding: 0 16px 12px; }
  .purchasing-page .tip::after { max-width: min(260px, 70vw); }
  .purchasing-page .po-header button.tip::after, .purchasing-page #btn-approve-all::after, .purchasing-page #last-updated::after { left: 0; right: auto; transform: none; }
}