/* Free markup and margin calculator (/tools/markup-calculator,
   marketing/office_tools/markup_calculator, markup_tool_controller.js).
   Rules for this tool only, prefixed .ot-mu-; shared pieces are in
   ../office_tools.css. Tap targets 44px or larger; no sideways scroll at
   390px. Without JavaScript the tab list is hidden and the three panels
   stack, each under its own title. */

.ot-mu-main { gap: 18px; }

/* Tabs across the top of the main column. */
.ot-mu-tabs { display: flex; gap: 4px; margin: -28px -28px 0; padding: 0 20px; border-bottom: 1px solid var(--border); background: var(--surface); overflow-x: auto; }
.ot-mu-tab { flex: none; min-height: 48px; padding: 0 14px; border: 0; border-bottom: 3px solid transparent; background: none; font: inherit; font-size: 15px; color: var(--text-secondary); cursor: pointer; white-space: nowrap; }
.ot-mu-tab:hover { color: var(--text); }
.ot-mu-tab[aria-selected="true"] { color: var(--primary-dark); font-weight: 700; border-bottom-color: var(--primary); }
.ot-mu-tab:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }
@media (max-width: 600px) {
  .ot-mu-tabs { margin: -20px -16px 0; padding: 0 4px; gap: 0; }
  .ot-mu-tab { padding: 0 9px; font-size: 14px; }
}

.ot-mu-panel { display: flex; flex-direction: column; gap: 16px; }
.ot-mu-panel[hidden] { display: none; }
.ot-mu-panel + .ot-mu-panel { padding-top: 16px; border-top: 1px solid var(--gray-100); }
.ot-mu.is-tabbed .ot-mu-panel + .ot-mu-panel { padding-top: 0; border-top: 0; }
.ot-mu-panel:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; border-radius: var(--radius-md); }
.ot-mu-panel-title { margin: 0; font-size: 17px; font-weight: 700; color: var(--text); }
.ot-mu-lead { font-size: 14px; }

.ot-mu-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 560px) {
  .ot-mu-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ot-mu-grid-3 > :first-child { grid-column: 1 / -1; }
}
.ot-mu [aria-invalid="true"] { border-color: var(--danger); }

.ot-mu-note { margin: 0; background: var(--primary-light); border-radius: var(--radius-lg); padding: 12px 14px; font-size: 14px; color: var(--primary-dark); }

/* Cost lines: label, cost, markup, price, remove. */
.ot-mu-lines { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.ot-mu-line, .ot-mu-line-head { display: grid; grid-template-columns: minmax(0, 1fr) 110px 84px 96px 44px; gap: 8px; align-items: center; }
.ot-mu-line-head { grid-template-columns: minmax(0, 1fr) 110px 84px 96px; padding-right: 52px; margin-bottom: -8px; font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
.ot-mu-line-price { font-variant-numeric: tabular-nums; font-weight: 600; text-align: right; overflow-wrap: anywhere; }
.ot-mu-remove { width: 44px; padding: 0; color: var(--text-secondary); }
.ot-mu-add-row > .ot-btn { flex: 0 1 auto; }
@media (max-width: 560px) {
  .ot-mu-line-head { display: none; }
  .ot-mu-line { grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr) 44px; padding-bottom: 8px; border-bottom: 1px solid var(--gray-100); }
  .ot-mu-line-label { grid-column: 1 / -1; }
  .ot-mu-line-price { grid-column: 1 / -1; text-align: left; font-size: 14px; }
  .ot-mu-line-price:not(:empty)::before { content: "Price: "; font-weight: 400; color: var(--text-secondary); }
  .ot-mu-remove { grid-row: 2; grid-column: 3; }
}

/* Side panel: the open tab's result. The quote button is an .ot-btn
   (display: inline-flex), so [hidden] needs the extra weight here. */
.ot-mu-side [hidden] { display: none; }
.ot-mu-result { display: flex; flex-direction: column; gap: 12px; overflow-wrap: anywhere; }
.ot-mu-result[hidden] { display: none; }
.ot-mu-result + .ot-mu-result { padding-top: 14px; border-top: 1px solid var(--border); }
.ot-mu.is-tabbed .ot-mu-result + .ot-mu-result { padding-top: 0; border-top: 0; }
.ot-mu-result [data-role="values"] { display: flex; flex-direction: column; gap: 12px; }
.ot-mu-result [data-role="values"][hidden] { display: none; }
.ot-mu-result-title { margin: 0; font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); }
.ot-mu-big-label { margin: 0 0 -10px; font-size: 14px; font-weight: 600; color: var(--text); }
.ot-mu-big { margin: 0; font-size: 40px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; color: var(--text); font-variant-numeric: tabular-nums; }
.ot-mu-stats { margin: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 4px 14px; }
.ot-mu-stats div { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 8px 0; min-width: 0; }
.ot-mu-stats div + div { border-top: 1px solid var(--gray-100); }
.ot-mu-stats dt { font-size: 14px; color: var(--text-secondary); }
.ot-mu-stats dd { margin: 0; font-weight: 700; font-size: 18px; font-variant-numeric: tabular-nums; text-align: right; overflow-wrap: anywhere; }
.ot-mu-sentence { margin: 0; font-size: 14px; color: var(--text-secondary); }
.ot-mu-sum { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 15px; }
.ot-mu-sum > strong { flex: none; font-size: 20px; font-variant-numeric: tabular-nums; }
.ot-mu-exact { margin-top: -8px; }
.ot-mu-prompt { margin: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 12px 14px; font-size: 15px; color: var(--text); }
.ot-mu-prompt[hidden] { display: none; }
@media (max-width: 380px) { .ot-mu-big { font-size: 34px; } }

/* Markup to margin chart. */
.ot-mu-chart .ot-container > * { max-width: 760px; }
.ot-mu-chart-intro { margin: -6px 0 14px; color: var(--text-secondary); }
.ot-mu-table-wrap { overflow-x: auto; }
.ot-mu-table { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 15px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; font-variant-numeric: tabular-nums; }
.ot-mu-table th, .ot-mu-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--gray-100); }
.ot-mu-table tbody tr:last-child td { border-bottom: 0; }
.ot-mu-table th { background: var(--bg-secondary); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-secondary); }