/* WideMath error propagation calculator (/error-propagation-calculator/).
   Every selector starts with .wm-ep (the widget) or body.wm-ep-page (print
   rules for this page only). Shared pieces (wm-card, wm-row, wm-field,
   wm-seg, wm-result, wm-steps, wm-stat-cards) come from wm-tools.css. */

.wm-ep .wm-card + .wm-card, .wm-ep .wm-card + details.wm-card { margin-top: 14px; }
.wm-ep .wm-ep-unit { flex: 0 1 150px; }
.wm-ep .wm-ep-unit .wm-field { font-family: 'Segoe UI', system-ui, sans-serif; font-size: .98rem; }
.wm-ep .wm-ep-ang { display: flex; flex-direction: column; gap: 5px; font-size: .86rem; font-weight: 600; color: var(--wm-text); }
.wm-ep .wm-ep-ang .wm-seg button { min-height: 44px; padding: 0 14px; font-size: .86rem; letter-spacing: 0; }
.wm-ep .wm-ep-read { margin: 10px 0 0; font-size: .9rem; color: var(--wm-mute); line-height: 1.5; }
.wm-ep .wm-ep-read b { font: 400 1.08rem var(--wm-math); color: var(--wm-ink); overflow-wrap: anywhere; }
.wm-ep .wm-ep-hint { display: block; margin-top: 4px; font-size: .84rem; }
.wm-ep [data-k="ferr"] .wm-error { margin-top: 10px; }

/* one row per measured quantity */
.wm-ep .wm-ep-head, .wm-ep .wm-ep-var {
  display: grid; gap: 8px; align-items: center;
  grid-template-columns: minmax(44px, 80px) minmax(0, 1.25fr) 16px minmax(0, 1fr) auto minmax(0, .85fr);
}
.wm-ep .wm-ep-head { margin-top: 16px; padding: 0 0 4px; font-size: .78rem; font-weight: 600; color: var(--wm-mute); }
.wm-ep .wm-ep-var { padding: 8px 0; border-top: 1px solid var(--wm-line); }
.wm-ep .wm-ep-name { font: 1.15rem/1.2 var(--wm-math); color: var(--wm-ink); overflow-wrap: anywhere; }
.wm-ep .wm-ep-var .wm-field { font: 1rem var(--wm-math); min-height: 42px; padding: 8px 10px; }
.wm-ep .wm-ep-var input[data-f="units"] { font-family: 'Segoe UI', system-ui, sans-serif; font-size: .95rem; }
.wm-ep .wm-ep-pm { text-align: center; color: var(--wm-mute); font: 1.1rem var(--wm-math); }
.wm-ep .wm-ep-var .wm-seg button { min-height: 42px; min-width: 40px; padding: 0 10px; font-size: .95rem; letter-spacing: 0; }
.wm-ep .wm-ep-msg { grid-column: 2 / -1; font-size: .86rem; }
.wm-ep .wm-ep-msg:empty { display: none; }
.wm-ep .wm-ep-msg .wm-error { display: block; padding: 8px 12px; }
.wm-ep .wm-ep-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* correlations and options */
.wm-ep .wm-ep-corr { margin-top: 10px; }
.wm-ep .wm-ep-crow { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 8px 0; border-top: 1px dashed var(--wm-line); font-size: .9rem; color: var(--wm-text); }
.wm-ep .wm-ep-crow select.wm-field { width: auto; min-width: 72px; min-height: 40px; font-family: var(--wm-math); font-size: 1rem; }
.wm-ep .wm-ep-crow input.wm-field { width: 90px; min-height: 40px; font-family: var(--wm-math); font-size: 1rem; }
.wm-ep .wm-ep-opts { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--wm-line); }
.wm-ep .wm-ep-opts label { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .88rem; color: var(--wm-text); }
.wm-ep .wm-ep-opts select.wm-field { width: auto; min-height: 40px; }
.wm-ep .wm-btn { min-height: 40px; }

/* result */
.wm-ep .wm-ep-out.stale { opacity: .5; transition: opacity 200ms; }
.wm-ep .wm-result b { font-weight: 600; overflow-wrap: anywhere; }
.wm-ep .wm-ep-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.wm-ep .wm-ep-h { margin: 22px 0 6px; font-size: 1.05rem; font-weight: 700; color: var(--wm-ink); }
.wm-ep .wm-ep-lead { margin: 0 0 8px; color: var(--wm-text); }
.wm-ep .wm-ep-tw { overflow-x: auto; margin: 8px 0; }
.wm-ep .wm-ep-table { width: 100%; border-collapse: collapse; font-size: .9rem; border: 1px solid var(--wm-line); }
.wm-ep .wm-ep-table th { text-transform: none; letter-spacing: 0; font-size: .82rem; background: var(--wm-soft); color: var(--wm-text); padding: 8px 10px; white-space: nowrap; }
.wm-ep .wm-ep-table td { padding: 8px 10px; vertical-align: middle; }
.wm-ep .wm-ep-table td.num { font-family: var(--wm-math); font-variant-numeric: tabular-nums; white-space: nowrap; }
.wm-ep .wm-ep-table td.nm { font: 1.02rem var(--wm-math); color: var(--wm-ink); white-space: nowrap; }
.wm-ep .wm-ep-table small { color: var(--wm-mute); font-family: 'Segoe UI', system-ui, sans-serif; }
.wm-ep .wm-ep-budget tr.top td { background: var(--wm-green-bg); }
.wm-ep .wm-ep-budget tr.sum td { font-weight: 700; border-top: 2px solid var(--wm-line); }
.wm-ep .wm-ep-bar { display: inline-block; height: 9px; margin-right: 6px; border-radius: 5px; background: var(--wm-green-2); vertical-align: middle; }
.wm-ep .wm-ep-bar.neg { background: #f97316; }
.wm-ep .wm-ep-work { margin-top: 16px; }
.wm-ep .wm-steps .m { overflow-wrap: anywhere; }

/* Monte Carlo */
.wm-ep .wm-ep-mc { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--wm-line); }
.wm-ep .wm-ep-mc > summary, .wm-ep .wm-ep-work > summary, .wm-ep .wm-ep-rules > summary { min-height: 40px; display: flex; align-items: center; }
.wm-ep .wm-ep-mcout .wm-stat-cards b { font-size: 1rem; }
.wm-ep .wm-ep-ok { color: #166534; }
.wm-ep .wm-ep-warn { color: #9a3412; background: #fff7ed; border: 1px solid #fed7aa; border-radius: 10px; padding: 10px 12px; }
.wm-ep .wm-ep-hist { display: block; width: 100%; height: auto; margin-top: 12px; border: 1px solid var(--wm-line); border-radius: 10px; background: #fff; }
.wm-ep .wm-ep-reseed { margin-left: 6px; vertical-align: middle; }

/* shortcut rules */
.wm-ep .wm-ep-rules > summary { font-size: 1rem; }
.wm-ep .wm-ep-rules[open] > summary { margin-bottom: 8px; }
.wm-ep .wm-ep-rules td { font-family: var(--wm-math); font-size: .98rem; }
.wm-ep .wm-ep-caselbl { margin: 12px 0 6px; font-weight: 600; font-size: .9rem; color: var(--wm-text); }
.wm-ep .wm-ep-cases { display: flex; flex-wrap: wrap; gap: 8px; }
.wm-ep .wm-ep-cases .wm-chip { min-height: 40px; }

@media (max-width: 640px) {
  .wm-ep .wm-ep-head { display: none; }
  .wm-ep .wm-ep-var {
    grid-template-columns: 34px minmax(0, 1fr) auto;
    grid-template-areas: "n x x" "pm u seg" ". un un" ". msg msg";
    row-gap: 6px;
  }
  .wm-ep .wm-ep-name { grid-area: n; }
  .wm-ep .wm-ep-var input[data-f="x"] { grid-area: x; }
  .wm-ep .wm-ep-pm { grid-area: pm; }
  .wm-ep .wm-ep-var input[data-f="u"] { grid-area: u; }
  .wm-ep .wm-ep-var .wm-seg { grid-area: seg; }
  .wm-ep .wm-ep-var input[data-f="units"] { grid-area: un; }
  .wm-ep .wm-ep-msg { grid-area: msg; grid-column: auto; }
  .wm-ep .wm-ep-unit { flex: 1 1 140px; }
  .wm-ep .wm-ep-table th, .wm-ep .wm-ep-table td { padding: 7px 8px; }
}

/* print: the browser menu prints the page without nav, ads and footer;
   "Print working" prints the tool alone with every section open */
@media print {
  body.wm-ep-page .nav, body.wm-ep-page .breadcrumb, body.wm-ep-page .wm-examples, body.wm-ep-page footer,
  body.wm-ep-page .related, body.wm-ep-page .author-box, body.wm-ep-page ins.adsbygoogle, body.wm-ep-page .google-auto-placed,
  body.wm-ep-page .wm-ep-actions, body.wm-ep-page .wm-ep-rules, body.wm-ep-page .wm-ep-reseed, body.wm-ep-page .wm-ep-opts button { display: none !important; }
  body.wm-ep-printing .content, body.wm-ep-printing .wm-disclaimer, body.wm-ep-printing .tool-head p, body.wm-ep-printing noscript { display: none !important; }
  body.wm-ep-page .wm-ep .wm-card { box-shadow: none; break-inside: avoid; border-color: #cbd5e1; }
  body.wm-ep-page .wm-ep .wm-ep-out.stale { opacity: 1; }
}