/* plan/plan.css — the "Plan my experiments" sheet. Built on _engines/ui (ui-sheet, ui-chip, ui-tabs, ui-field, ui-btn) and the
 * Make sheet's tr-* rows (try.css); only what a planner adds: steps, variable rows, the trials table, the map, the next card. */
.pl-sheet { z-index: 31; }
@media (min-width: 760px) { .pl-sheet { width: min(720px, calc(100vw - 40px)); } }
.pl-sheet .tr-step { display: flex; align-items: center; gap: 10px; }
.pl-n { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--ui-accent-soft); color: var(--ui-accent); font-size: 13px; font-weight: 700; flex: none; }
.pl-step + .pl-step { border-top: 1px solid var(--ui-line); margin-top: 18px; }
.pl-scn .tr-chip { flex: 1 1 140px; justify-content: flex-start; }
.pl-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pl-f { grid-template-columns: 1fr; }
.pl-f .ui-field { text-align: left; }
.pl-model { margin: 14px 0 4px; font-size: var(--ui-t-small); color: var(--ui-ink-dim); line-height: 1.45; }
.pl-model .ui-badge { margin-right: 4px; }

/* variables */
.pl-vars { display: grid; gap: 6px; }
.pl-var { display: grid; grid-template-columns: minmax(0, 1fr) 92px 92px 64px; align-items: end; gap: 6px 8px; padding: 8px 10px; border-radius: var(--ui-r-tile); background: var(--ui-raise); }
.pl-var:has(.pl-del) { grid-template-columns: minmax(0, 1fr) 84px 84px 64px 32px; }
.pl-var.is-off { opacity: 0.75; }
.pl-var.is-off .pl-held { grid-column: span 2; }
.pl-var label { display: grid; gap: 2px; min-width: 0; }
.pl-var small { color: var(--ui-ink-faint); font-size: 12px; }
.pl-var .ui-field { height: 40px; padding: 0 8px; text-align: right; font-variant-numeric: tabular-nums; }
.pl-var .pl-vname { text-align: left; }
.pl-vary { display: flex !important; grid-auto-flow: column; align-items: center; gap: 8px !important; align-self: center; font-weight: 600; font-size: var(--ui-t-small); }
.pl-vary input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--ui-accent); flex: none; }
.pl-unit { align-self: center; color: var(--ui-ink-dim); font-size: var(--ui-t-meta); }
.pl-del { width: 32px; height: 32px; align-self: center; }
@media (max-width: 480px) {
  .pl-var, .pl-var:has(.pl-del) { grid-template-columns: 1fr 1fr 56px; }
  .pl-var .pl-vary { grid-column: 1 / -1; }
  .pl-var:has(.pl-del) .pl-vary { grid-column: 1 / -2; }
}

/* the table */
.pl-tablewrap { overflow-x: auto; margin: 8px -4px; border-radius: var(--ui-r-tile); -webkit-overflow-scrolling: touch; }
.pl-table { border-collapse: separate; border-spacing: 0; font-size: var(--ui-t-small); min-width: 100%; }
.pl-table th { position: sticky; top: 0; padding: 6px 6px; text-align: right; font-weight: 600; color: var(--ui-ink-dim); background: var(--ui-surface-strong); white-space: nowrap; vertical-align: bottom; }
.pl-table th small { display: block; font-weight: 400; color: var(--ui-ink-faint); font-size: 12px; }
.pl-table td { padding: 2px 3px; border-top: 1px solid var(--ui-line); vertical-align: middle; }
.pl-table td.num { color: var(--ui-ink-faint); text-align: right; padding-right: 6px; }
.pl-table .is-off { opacity: 0.55; }
.pl-cell { width: 76px; height: 36px; padding: 0 6px; border: 0; border-radius: 8px; background: transparent; color: var(--ui-ink); font: inherit; font-variant-numeric: tabular-nums; text-align: right; }
.pl-cell:hover { background: var(--ui-raise); }
.pl-cell:focus { outline: none; background: var(--ui-raise-hover); box-shadow: inset 0 0 0 1.5px var(--ui-accent); }
.pl-table th.pl-res, .pl-table td.pl-res { background: var(--ui-accent-soft); }
.pl-table td.pl-res .pl-cell { width: 84px; font-weight: 650; }
.pl-table tr.is-todo td.pl-res .pl-cell::placeholder { color: var(--ui-accent); opacity: 0.8; }
.pl-table .pl-why { text-align: left; min-width: 220px; max-width: 320px; }
.pl-table .pl-why small { color: var(--ui-ink-dim); font-size: 12px; line-height: 1.35; display: block; }
.pl-rm { width: 28px; height: 28px; }
.pl-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.pl-file { cursor: pointer; }
#pl-pastebox textarea { font-family: ui-monospace, monospace; font-size: 13px; }

/* the map */
.pl-maphead { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; margin: 6px 0; }
.pl-axes { display: flex; gap: 8px; font-size: var(--ui-t-meta); color: var(--ui-ink-dim); }
.pl-axes select { height: 36px; width: auto; padding: 0 8px; }
.pl-heat { position: relative; width: min(100%, 340px); margin: 10px auto 26px 34px; aspect-ratio: 1; }
.pl-heat canvas { width: 100%; height: 100%; display: block; border-radius: 8px; touch-action: none; cursor: crosshair; }
.pl-ax { position: absolute; font-size: 12px; color: var(--ui-ink-dim); white-space: nowrap; }
.pl-ax-x { left: 50%; bottom: -22px; transform: translateX(-50%); }
.pl-ax-y { left: -24px; top: 50%; transform: translate(-50%, -50%) rotate(-90deg); }
.pl-tick { position: absolute; font-size: 12px; color: var(--ui-ink-faint); font-variant-numeric: tabular-nums; }
.pl-x0 { left: 0; bottom: -20px; } .pl-x1 { right: 0; bottom: -20px; }
.pl-y0 { left: -6px; bottom: 0; transform: translateX(-100%); } .pl-y1 { left: -6px; top: 0; transform: translateX(-100%); }
.pl-tip { position: absolute; transform: translate(-50%, calc(-100% - 12px)); padding: 6px 9px; border-radius: 8px; background: var(--ui-surface-solid); box-shadow: var(--ui-shadow); font-size: 12px; white-space: nowrap; pointer-events: none; z-index: 2; }
.pl-tip b { font-variant-numeric: tabular-nums; }
.pl-tip small { color: var(--ui-ink-dim); }
.pl-legend { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ui-ink-dim); margin: 4px 0; }
.pl-legend i { flex: 1; height: 8px; border-radius: 4px; max-width: 220px; }
.pl-slices { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 4px 14px; }
.pl-slice { margin: 0; }
.pl-slice figcaption { font-size: var(--ui-t-meta); color: var(--ui-ink-dim); font-weight: 600; margin-top: 4px; }
.pl-chart { touch-action: pan-y; }
.pl-chart .pl-model { fill: none; stroke: var(--ui-ink-faint); stroke-width: 1.5; stroke-dasharray: 5 4; }
.pl-chart .pl-pt { fill: var(--ui-ink); stroke: var(--ui-surface-solid); stroke-width: 2; }
.pl-chart .pl-nextline { stroke: var(--ui-accent); stroke-width: 1.5; stroke-dasharray: 2 3; }
.pl-chart .pl-cross { stroke: var(--ui-ink-faint); stroke-width: 1; }
.pl-chart .pl-read { fill: var(--ui-ink); font-size: 12px; font-variant-numeric: tabular-nums; }
.pl-key { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; font-size: 12px; color: var(--ui-ink-dim); }
.pl-k { display: inline-block; width: 18px; height: 0; vertical-align: middle; margin-right: -6px; }
.pl-k-post { border-top: 2px solid var(--ui-accent); }
.pl-k-band { height: 9px; background: var(--ui-accent); opacity: 0.25; border-radius: 2px; }
.pl-k-model { border-top: 1.5px dashed var(--ui-ink-faint); }
.pl-k-pt { width: 9px; height: 9px; border-radius: 50%; background: var(--ui-ink); margin-right: -4px; }

/* next */
.pl-best { display: grid; grid-template-columns: auto 1fr; gap: 0 12px; align-items: baseline; padding: 8px 0; border-bottom: 1px solid var(--ui-line); }
.pl-best span { color: var(--ui-ink-dim); font-size: var(--ui-t-meta); }
.pl-best b { font-size: var(--ui-t-lead); text-align: right; }
.pl-best b small { font-weight: 400; color: var(--ui-ink-dim); font-size: 13px; }
.pl-best > small { grid-column: 1 / -1; color: var(--ui-ink-faint); font-size: 12px; }
.pl-stop { margin: 12px 0; padding: 10px 12px; border-radius: var(--ui-r-tile); background: rgba(92, 203, 148, 0.12); box-shadow: inset 0 0 0 1px rgba(92, 203, 148, 0.4); font-size: var(--ui-t-small); }
.pl-k[role="tablist"], .ui-tabs.pl-k { margin: 14px 0 8px; width: auto; height: auto; border: 0; }
.pl-card { margin: 8px 0; padding: 12px 14px; border-radius: var(--ui-r-card); background: var(--ui-raise); box-shadow: inset 0 0 0 1px var(--ui-line); font-size: var(--ui-t-small); line-height: 1.45; }
.pl-card p { margin: 6px 0; }
.pl-pill { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--ui-accent); color: var(--ui-accent-ink); font-size: 12px; font-weight: 700; }
.pl-set { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.pl-set span { display: grid; }
.pl-set small { color: var(--ui-ink-faint); font-size: 12px; }
.pl-set b { font-size: var(--ui-t-lead); }
.pl-save { margin-top: 14px; font-size: var(--ui-t-small); }
.pl-save p { margin: 6px 0; }
.pl-tech { margin-top: 10px; font-size: 12px !important; color: var(--ui-ink-faint) !important; }