/* ---------- Costes (modules/costing.js) ---------- */
.cost-tabs { margin-bottom: 16px; }
.cost-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.cost-range { color: var(--text3); font-size: 13px; }
.cost-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 16px; align-items: start; }
.cost-ph { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 16px 20px 12px; }
.cost-ph h3 { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: -0.015em; }
.cost-ph span { font-size: 12.5px; color: var(--text3); text-align: right; }
.cost-empty { padding: 24px 20px; color: var(--text3); font-size: 13px; }

.cost-rank { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 72px 72px 56px; gap: 12px; align-items: center; padding: 10px 20px 14px; border-top: 1px solid var(--border); }
.cost-rank-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; align-items: center; gap: 8px; }
.cost-rank-v { text-align: right; font-variant-numeric: tabular-nums; color: var(--text2); }
.cost-rank-v.strong { color: var(--text); font-weight: 500; }
.cost-rank-v.neg, .cost-sheet-num small.neg { color: var(--red); }
.cost-rank-sh { text-align: right; color: var(--text3); font-size: 12px; font-variant-numeric: tabular-nums; }
.cost-rank-bar { position: absolute; left: 20px; right: 20px; bottom: 5px; height: 3px; border-radius: 3px; background: var(--hover-strong); }
.cost-rank-bar i { display: block; height: 100%; border-radius: 3px; background: var(--green); opacity: .65; }
.cost-rank-bar i.neg { background: var(--red); }

.cost-legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text3); margin-bottom: 10px; }
.cost-legend span { display: inline-flex; align-items: center; gap: 6px; }
.cost-legend i { width: 10px; height: 10px; border-radius: 3px; }
.p-green { background: var(--text); }
.p-shrink { background: var(--signal); }
.p-energy { background: color-mix(in srgb, var(--text) 55%, transparent); }
.p-labour { background: color-mix(in srgb, var(--text) 35%, transparent); }
.p-overhead { background: color-mix(in srgb, var(--text) 20%, transparent); }
.p-packaging { background: var(--amber); }
.cost-sheet-row { display: grid; grid-template-columns: minmax(160px, 1.1fr) minmax(0, 2fr) 130px 130px; gap: 20px; align-items: center; padding: 14px 20px; border-top: 1px solid var(--border); }
.cost-sheet-row:first-child { border-top: 0; }
.cost-sheet-name b { display: block; font-weight: 500; }
.cost-sheet-name span { color: var(--text3); font-size: 12.5px; }
.cost-stack { display: flex; height: 10px; border-radius: 4px; overflow: hidden; gap: 2px; background: var(--surface-3); }
.cost-stack i { display: block; height: 100%; }
.cost-sheet-parts { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 6px; font-size: 12px; color: var(--text3); font-variant-numeric: tabular-nums; }
.cost-missing { color: var(--text3); font-size: 13px; }
.cost-sheet-num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }
.cost-sheet-num > .lbl { display: block; font-size: 12px; color: var(--text3); font-weight: 400; }
.cost-sheet-num small { display: block; font-size: 12px; color: var(--text3); font-weight: 400; }
.cost-foot { color: var(--text3); font-size: 12.5px; margin: 12px 2px 0; max-width: 72ch; }

.cost-shared { margin-top: 16px; }
.cost-shared-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 16px; align-items: center; padding: 10px 20px; border-top: 1px solid var(--border); }
.cost-shared-row b { display: block; font-weight: 500; }
.cost-shared-row span { color: var(--text3); font-size: 12.5px; }
.cost-shared-new { margin: 14px 20px 20px; }
.cost-lot-picks { flex: 3 1 260px; }
.cost-lot-picks > div { display: flex; flex-wrap: wrap; gap: 6px; }
.cost-pick { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 10px; border-radius: 8px; border: 1px solid var(--border); font-size: 12.5px; cursor: pointer; }
.cost-pick input { accent-color: var(--accent); }

.cost-editor { margin-bottom: 16px; }
.cost-form { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; align-items: end; }
.cost-wide { grid-column: span 2; }
@media (max-width: 560px) { .cost-wide { grid-column: auto; } }
.cost-editor-foot { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.cost-preview { margin-right: auto; color: var(--text2); font-size: 13px; font-variant-numeric: tabular-nums; }

.cost-pack { margin-top: 16px; }
.cost-cell { display: inline-flex; align-items: center; gap: 6px; }
.cost-cell input { width: 84px; height: 32px; text-align: right; font-size: 13px; }
.cost-cell span { color: var(--text3); font-size: 12px; }
.cost-unit { font-weight: 500; }
.cost-pack-add { padding: 10px 16px 14px; }
.cost-save { display: flex; justify-content: flex-end; margin-top: 16px; }

@media (max-width: 900px) {
  .cost-grid { grid-template-columns: 1fr; }
  .cost-sheet-row { grid-template-columns: 1fr 1fr; }
  .cost-sheet-bar { grid-column: 1 / -1; grid-row: 2; }
  .cost-sheet-num { text-align: left; }
}
@media (max-width: 560px) {
  .cost-rank { grid-template-columns: minmax(0, 1fr) 64px 48px; }
  .cost-rank > .cost-rank-v:not(.strong), .cost-rank-name .chip { display: none; }
}