/* ==========================================================================
   Fairness page blocks (spec §5.10, P23): repeat calculator + simulator. Owner: wave-2 agent (simulator).
   Loaded by the layout on the fairness page. Uses the app.css tokens (no .lh-app on this page);
   logical properties only; charts are never mirrored in RTL (spec §9.9).
   ========================================================================== */
.lh-simulator {
  display: flex; flex-direction: column; gap: 16px; max-width: 760px; padding: 20px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card, 16px); box-shadow: var(--shadow-sm);
}
.lh-simulator * { box-sizing: border-box; }
.lh-simulator :focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.lh-simulator-ic { width: 20px; height: 20px; flex: none; }
.lh-simulator-hint { margin: 0; color: var(--text-muted); font-size: .875rem; line-height: 1.5; }
.lh-simulator-hint.is-warn { color: var(--warning); font-weight: 650; }
.lh-simulator-hint a { color: var(--link); font-weight: 650; }

/* number stepper */
.lh-simulator-fields { display: flex; flex-wrap: wrap; gap: 12px 20px; }
.lh-simulator-num { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.lh-simulator-num__l { font-weight: 650; font-size: .9375rem; }
.lh-simulator-num__box { display: inline-flex; align-items: stretch; border: 1px solid var(--border-strong); border-radius: var(--r-field, 10px); background: var(--surface); overflow: hidden; width: max-content; }
.lh-simulator-num__box:focus-within { border-color: var(--focus); box-shadow: 0 0 0 3px var(--focus-ring); }
.lh-simulator-num__in {
  width: 6.5ch; min-height: 48px; padding: 0 4px; border: 0; background: transparent; text-align: center;
  font-size: 1.125rem; font-weight: 750; font-variant-numeric: tabular-nums; -moz-appearance: textfield; appearance: textfield;
}
.lh-simulator-num__in::-webkit-inner-spin-button, .lh-simulator-num__in::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.lh-simulator-num__in:focus { outline: none; }
.lh-simulator-num__b { width: 48px; border: 0; background: var(--surface-2); color: var(--text); display: grid; place-items: center; cursor: pointer; }
.lh-simulator-num__b:hover { background: var(--brand-soft); color: var(--brand-soft-ink); }
.lh-simulator-num.is-off { opacity: .5; }

/* repeat calculator */
.lh-simulator-hero { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.lh-simulator-big { font-size: clamp(2.5rem, 9vw, 3.5rem); font-weight: 850; line-height: 1; color: var(--brand); letter-spacing: -.01em; }
.lh-simulator-hero__l { font-weight: 700; font-size: 1.0625rem; }
.lh-simulator-math { margin: 0; }
.lh-simulator-formula { display: inline-block; max-width: 100%; padding: 6px 10px; border-radius: 8px; background: var(--surface-2); font-family: var(--mono); font-size: .875rem; overflow-wrap: anywhere; }
.lh-simulator-formula.is-text { font-family: inherit; font-size: .9375rem; }
.lh-simulator-note { margin: 0; color: var(--text-muted); font-size: .9375rem; line-height: 1.5; }

/* charts (shared) */
.lh-simulator-fig { margin: 0; display: flex; flex-direction: column; gap: 6px; }
.lh-simulator-plot { position: relative; }
.lh-simulator-chart { position: relative; width: 100%; min-height: 160px; border-radius: 8px; touch-action: pan-y; }
.lh-simulator-chart svg { display: block; overflow: visible; }
.lh-simulator-chart--line { cursor: crosshair; }
.lh-simulator-cap { color: var(--text-muted); font-size: .8125rem; }
.lh-simulator-cap[hidden] { display: none; }
.lh-simulator-grid { stroke: var(--border); stroke-width: 1; shape-rendering: crispEdges; }
.lh-simulator-axis { fill: var(--text-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.lh-simulator-area { fill: var(--brand); opacity: .1; }
.lh-simulator-line { fill: none; stroke: var(--brand); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.lh-simulator-mark { stroke: var(--brand); stroke-width: 1; opacity: .45; }
.lh-simulator-dot { fill: var(--brand); stroke: var(--surface); stroke-width: 2; }
.lh-simulator-val { fill: var(--text); font-size: 12px; font-weight: 750; }
.lh-simulator-cross { stroke: var(--text-muted); stroke-width: 1; }
.lh-simulator-tip {
  position: absolute; z-index: 2; top: 0; padding: 6px 10px; border-radius: 10px; pointer-events: none; white-space: nowrap;
  background: var(--text); color: var(--surface); font-size: .8125rem; font-weight: 650; box-shadow: var(--shadow-md);
}

/* simulator form */
.lh-simulator-form { display: flex; flex-direction: column; gap: 16px; }
.lh-simulator-fs { margin: 0; padding: 0; border: 0; min-width: 0; }
.lh-simulator-fs > legend { padding: 0; margin-block-end: 8px; font-weight: 750; font-size: .9375rem; }
.lh-simulator-src { display: grid; gap: 12px; }
@media (min-width: 640px) { .lh-simulator-src { grid-template-columns: 1fr 1fr; } }
.lh-simulator-src__i { display: flex; flex-direction: column; gap: 8px; padding: 12px; border: 1px solid var(--border); border-radius: 12px; min-width: 0; }
.lh-simulator-src__i:has(input[type="radio"]:checked) { border-color: var(--brand); box-shadow: inset 0 0 0 1px var(--brand); }
.lh-simulator-opt { display: inline-flex; align-items: center; gap: 10px; min-height: 40px; font-weight: 700; cursor: pointer; }
.lh-simulator-opt input { width: 20px; height: 20px; margin: 0; accent-color: var(--brand); cursor: pointer; }
.lh-simulator-opt:has(input:disabled) { color: var(--text-muted); cursor: default; }
.lh-simulator-mine { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.lh-simulator-mine.is-off { opacity: .6; }
.lh-simulator-sel { min-height: 44px; padding-block: 8px; }
.lh-simulator-wt { margin: 0; font-weight: 650; overflow-wrap: anywhere; }
.lh-simulator-src__i .lh-simulator-num__l { font-size: .8125rem; color: var(--text-muted); }
.lh-simulator-seg { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: 14px; background: var(--surface-2); }
.lh-simulator-seg .lh-simulator-opt { position: relative; min-height: 40px; padding: 0 14px; border-radius: 10px; font-variant-numeric: tabular-nums; }
.lh-simulator-seg .lh-simulator-opt input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; }
.lh-simulator-seg .lh-simulator-opt:has(input:checked) { background: var(--surface); box-shadow: var(--shadow-sm); color: var(--brand-soft-ink); }
.lh-simulator-seg .lh-simulator-opt:has(input:focus-visible) { outline: 2px solid var(--focus); outline-offset: 2px; }

.lh-simulator-go { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.lh-simulator-prog { display: flex; flex: 1 1 220px; align-items: center; gap: 10px; min-width: 0; }
.lh-simulator-prog[hidden] { display: none; }
.lh-simulator-bar { flex: 1; min-width: 80px; height: 10px; border: 0; border-radius: 999px; overflow: hidden; background: var(--surface-2); accent-color: var(--brand); appearance: none; -webkit-appearance: none; }
.lh-simulator-bar::-webkit-progress-bar { background: var(--surface-2); }
.lh-simulator-bar::-webkit-progress-value { background: var(--brand); border-radius: 999px; transition: width .1s linear; }
.lh-simulator-bar::-moz-progress-bar { background: var(--brand); border-radius: 999px; }
.lh-simulator-prog__t { color: var(--text-muted); font-size: .875rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lh-simulator-msg { margin: 0; color: var(--danger); font-weight: 650; }

/* results */
.lh-simulator-res { display: flex; flex-direction: column; gap: 14px; padding-block-start: 16px; border-block-start: 1px solid var(--border); transition: opacity .2s; }
.lh-simulator-res.is-stale { opacity: .45; }
.lh-simulator-verdict { display: flex; align-items: flex-start; gap: 10px; margin: 0; padding: 12px 14px; border-radius: 12px; line-height: 1.5; }
.lh-simulator-verdict.is-ok { background: var(--success-soft); }
.lh-simulator-verdict.is-ok .lh-simulator-ic { color: var(--success); }
.lh-simulator-verdict.is-low { background: var(--warning-soft); }
.lh-simulator-verdict.is-low .lh-simulator-ic { color: var(--warning); }
.lh-simulator-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.lh-simulator-tile { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); min-width: 0; }
.lh-simulator-tile__l { color: var(--text-muted); font-size: .8125rem; font-weight: 650; }
.lh-simulator-tile__v { font-size: 1.5rem; font-weight: 800; line-height: 1.2; text-align: start; }
.lh-simulator-tile__s { color: var(--text-muted); font-size: .8125rem; line-height: 1.4; overflow-wrap: anywhere; }
.lh-simulator-tile.is-ok .lh-simulator-tile__v { color: var(--success); }
.lh-simulator-tile.is-low .lh-simulator-tile__v { color: var(--warning); }
.lh-simulator-chead { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; }
.lh-simulator-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .8125rem; color: var(--text-muted); }
.lh-simulator-key { display: inline-flex; align-items: center; gap: 6px; }
.lh-simulator-key i { display: inline-block; }
.lh-simulator-key--obs i { width: 12px; height: 12px; border-radius: 3px; background: var(--brand); }
.lh-simulator-key--exp i { width: 16px; height: 2px; background: var(--text); }
.lh-simulator-zoom { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; font-size: .875rem; font-weight: 650; cursor: pointer; }
.lh-simulator-zoom input { width: 18px; height: 18px; margin: 0; accent-color: var(--brand); }
.lh-simulator-bar-m { fill: var(--brand); transition: opacity .12s; }
.lh-simulator-chart:hover .lh-simulator-bar-m:not(.is-on), .lh-simulator-chart:focus-visible .lh-simulator-bar-m:not(.is-on) { opacity: .75; }
.lh-simulator-exp { stroke: var(--text); stroke-width: 2; stroke-linecap: round; }
.lh-simulator-chart:focus-visible { outline-offset: 4px; }
.lh-simulator-details summary { display: flex; align-items: center; min-height: 44px; cursor: pointer; font-weight: 700; font-size: .9375rem; }
.lh-simulator-tw { max-height: 360px; overflow: auto; border: 1px solid var(--border); border-radius: 12px; }
.lh-simulator-table { width: 100%; border-collapse: collapse; font-size: .875rem; font-variant-numeric: tabular-nums; }
.lh-simulator-table th, .lh-simulator-table td { padding: 8px 12px; border-block-end: 1px solid var(--border); text-align: end; }
.lh-simulator-table th:first-child, .lh-simulator-table td:first-child { text-align: start; }
.lh-simulator-table th { position: sticky; top: 0; background: var(--surface-2); font-weight: 700; }
.lh-simulator-table tbody tr:last-child td { border-block-end: 0; }

@media (max-width: 479.98px) {
  .lh-simulator { padding: 16px; }
  .lh-simulator-run { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .lh-simulator-res, .lh-simulator-bar-m { transition: none; }
}